diff options
Diffstat (limited to 'target/linux/rb532')
43 files changed, 6914 insertions, 0 deletions
diff --git a/target/linux/rb532/config-2.6.24 b/target/linux/rb532/config-2.6.24 new file mode 100644 index 000000000..0905ed8c3 --- /dev/null +++ b/target/linux/rb532/config-2.6.24 @@ -0,0 +1,258 @@ +CONFIG_32BIT=y +# CONFIG_64BIT is not set +# CONFIG_8139TOO is not set +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_ARCH_POPULATES_NODE_MAP=y +# CONFIG_ARCH_SUPPORTS_MSI is not set +CONFIG_ARCH_SUPPORTS_OPROFILE=y +# CONFIG_ATM is not set +# CONFIG_AX25 is not set +CONFIG_BASE_SMALL=0 +# CONFIG_BCM47XX is not set +CONFIG_BITREVERSE=y +CONFIG_BLK_DEV_CF_MIPS=y +# CONFIG_BOOT_PRINTK_DELAY is not set +# CONFIG_BT is not set +CONFIG_CEVT_R4K=y +# CONFIG_CPU_BIG_ENDIAN is not set +CONFIG_CPU_HAS_LLSC=y +CONFIG_CPU_HAS_PREFETCH=y +CONFIG_CPU_HAS_SYNC=y +CONFIG_CPU_LITTLE_ENDIAN=y +# CONFIG_CPU_LOONGSON2 is not set +CONFIG_CPU_MIPS32=y +CONFIG_CPU_MIPS32_R1=y +# CONFIG_CPU_MIPS32_R2 is not set +# CONFIG_CPU_MIPS64_R1 is not set +# CONFIG_CPU_MIPS64_R2 is not set +CONFIG_CPU_MIPSR1=y +# CONFIG_CPU_NEVADA is not set +# CONFIG_CPU_R10000 is not set +# CONFIG_CPU_R3000 is not set +# CONFIG_CPU_R4300 is not set +# CONFIG_CPU_R4X00 is not set +# CONFIG_CPU_R5000 is not set +# CONFIG_CPU_R5432 is not set +# CONFIG_CPU_R6000 is not set +# CONFIG_CPU_R8000 is not set +# CONFIG_CPU_RM7000 is not set +# CONFIG_CPU_RM9000 is not set +# CONFIG_CPU_SB1 is not set +CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y +CONFIG_CPU_SUPPORTS_HIGHMEM=y +# CONFIG_CPU_TX39XX is not set +# CONFIG_CPU_TX49XX is not set +# CONFIG_CPU_VR41XX is not set +CONFIG_CSRC_R4K=y +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_INFO is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_SHIRQ is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DETECT_SOFTLOCKUP is not set +CONFIG_DEVPORT=y +# CONFIG_DM9000 is not set +CONFIG_DMA_NEED_PCI_MAP_STATE=y +CONFIG_DMA_NONCOHERENT=y +CONFIG_EXT2_FS=y +# CONFIG_FAULT_INJECTION is not set +CONFIG_FORCED_INLINING=y +CONFIG_FS_POSIX_ACL=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_GPIO=y +# CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set +CONFIG_HAS_DMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HID=m +CONFIG_HID_SUPPORT=y +# CONFIG_HIGH_RES_TIMERS is not set +CONFIG_HW_HAS_PCI=y +CONFIG_HW_RANDOM=y +# CONFIG_I2C is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IDE is not set +CONFIG_INITRAMFS_SOURCE="" +CONFIG_INPUT=y +CONFIG_INPUT_KEYBOARD=y +CONFIG_IRQ_CPU=y +CONFIG_KALLSYMS=y +CONFIG_KALLSYMS_ALL=y +CONFIG_KALLSYMS_EXTRA_PASS=y +CONFIG_KEXEC=y +# CONFIG_KEYBOARD_ATKBD is not set +CONFIG_KEYBOARD_GPIO=y +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +CONFIG_KORINA=y +CONFIG_LEDS_RB500=y +# CONFIG_LEMOTE_FULONG is not set +# CONFIG_LOCK_STAT is not set +# CONFIG_MACH_ALCHEMY is not set +# CONFIG_MACH_DECSTATION is not set +# CONFIG_MACH_JAZZ is not set +# CONFIG_MACH_VR41XX is not set +CONFIG_MIKROTIK_RB500=y +CONFIG_MINI_FO=m +CONFIG_MIPS=y +# CONFIG_MIPS_ATLAS is not set +# CONFIG_MIPS_COBALT is not set +CONFIG_MIPS_L1_CACHE_SHIFT=4 +# CONFIG_MIPS_MALTA is not set +CONFIG_MIPS_MT_DISABLED=y +# CONFIG_MIPS_MT_SMP is not set +# CONFIG_MIPS_MT_SMTC is not set +# CONFIG_MIPS_SEAD is not set +# CONFIG_MIPS_SIM is not set +# CONFIG_MIPS_UNCACHED is not set +CONFIG_MTD=y +# CONFIG_MTD_ABSENT is not set +# CONFIG_MTD_ALAUDA is not set +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +CONFIG_MTD_BLOCK2MTD=y +# CONFIG_MTD_CFI is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +CONFIG_MTD_CHAR=y +# CONFIG_MTD_CMDLINE_PARTS is not set +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_CONCAT is not set +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +CONFIG_MTD_MAP_BANK_WIDTH_2=y +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MTDRAM is not set +CONFIG_MTD_NAND=y +# CONFIG_MTD_NAND_CAFE is not set +# CONFIG_MTD_NAND_DISKONCHIP is not set +# CONFIG_MTD_NAND_ECC_SMC is not set +CONFIG_MTD_NAND_IDS=y +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +# CONFIG_MTD_NAND_NANDSIM is not set +CONFIG_MTD_NAND_PLATFORM=y +CONFIG_MTD_NAND_VERIFY_WRITE=y +# CONFIG_MTD_ONENAND is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_PLATRAM is not set +# CONFIG_MTD_PMC551 is not set +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_NATSEMI is not set +# CONFIG_NE2K_PCI is not set +# CONFIG_NET_SCH_ESFQ_NFCT is not set +# CONFIG_NET_VENDOR_3COM is not set +CONFIG_NO_HZ=y +# CONFIG_NO_IOPORT is not set +# CONFIG_PAGE_SIZE_16KB is not set +CONFIG_PAGE_SIZE_4KB=y +# CONFIG_PAGE_SIZE_64KB is not set +# CONFIG_PAGE_SIZE_8KB is not set +CONFIG_PCI=y +# CONFIG_PCIPCWATCHDOG is not set +# CONFIG_PCI_DEBUG is not set +CONFIG_PCI_DOMAINS=y +# CONFIG_PMC_MSP is not set +# CONFIG_PMC_YOSEMITE is not set +# CONFIG_PNX8550_JBS is not set +# CONFIG_PNX8550_STB810 is not set +# CONFIG_PROVE_LOCKING is not set +CONFIG_RC32434_WDT=y +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RTC is not set +CONFIG_RTC_LIB=y +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_RUNTIME_DEBUG is not set +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_SCHED_DEBUG is not set +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_SCSI_WAIT_SCAN=m +# CONFIG_SERIAL_8250_EXTENDED is not set +# CONFIG_SGI_IP22 is not set +# CONFIG_SGI_IP27 is not set +# CONFIG_SGI_IP32 is not set +# CONFIG_SIBYTE_BIGSUR is not set +# CONFIG_SIBYTE_CARMEL is not set +# CONFIG_SIBYTE_CRHINE is not set +# CONFIG_SIBYTE_CRHONE is not set +# CONFIG_SIBYTE_LITTLESUR is not set +# CONFIG_SIBYTE_PTSWARM is not set +# CONFIG_SIBYTE_RHONE is not set +# CONFIG_SIBYTE_SENTOSA is not set +# CONFIG_SIBYTE_SWARM is not set +CONFIG_SLABINFO=y +# CONFIG_SOFT_WATCHDOG is not set +# CONFIG_SOUND is not set +# CONFIG_SPARSEMEM_STATIC is not set +# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set +CONFIG_SSB_POSSIBLE=y +CONFIG_SWAP_IO_SPACE=y +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_SYS_HAS_CPU_MIPS32_R1=y +CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y +CONFIG_SYS_SUPPORTS_ARBIT_HZ=y +CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y +# CONFIG_TC35815 is not set +CONFIG_TICK_ONESHOT=y +# CONFIG_TIMER_STATS is not set +# CONFIG_TOSHIBA_JMR3927 is not set +# CONFIG_TOSHIBA_RBTX4927 is not set +# CONFIG_TOSHIBA_RBTX4938 is not set +CONFIG_TRAD_SIGNALS=y +CONFIG_USB=m +# CONFIG_USBPCWATCHDOG is not set +# CONFIG_USB_EHCI_HCD is not set +# CONFIG_USB_UHCI_HCD is not set +# CONFIG_USER_NS is not set +# CONFIG_VGASTATE is not set +CONFIG_VIA_RHINE=y +# CONFIG_VIA_RHINE_MMIO is not set +CONFIG_VIA_RHINE_NAPI=y +# CONFIG_YAFFS_9BYTE_TAGS is not set +CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED=y +CONFIG_YAFFS_AUTO_YAFFS2=y +CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS=0 +# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set +# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set +CONFIG_YAFFS_DOES_ECC=y +CONFIG_YAFFS_ECC_WRONG_ORDER=y +CONFIG_YAFFS_FS=y +CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y +CONFIG_YAFFS_YAFFS1=y +CONFIG_YAFFS_YAFFS2=y +CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/rb532/files-2.6.24/arch/mips/pci/fixup-rb500.c b/target/linux/rb532/files-2.6.24/arch/mips/pci/fixup-rb500.c new file mode 100644 index 000000000..76c465fea --- /dev/null +++ b/target/linux/rb532/files-2.6.24/arch/mips/pci/fixup-rb500.c @@ -0,0 +1,51 @@ +/* + * Copyright 2001 MontaVista Software Inc. + * Author: MontaVista Software, Inc. + * stevel@mvista.com or source@mvista.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/kernel.h> +#include <linux/init.h> + +#include <asm/pci.h> +#include <asm/io.h> + +#include <asm/rc32434/rc32434.h> + +static int __devinitdata irq_map[2][12] = { + { 0, 0, 2, 3, 2, 3, 0, 0, 0, 0, 0, 1 }, + { 0, 0, 1, 3, 0, 2, 1, 3, 0, 2, 1, 3 } +}; + +int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + int irq = 0; + + if (dev->bus->number < 2 && PCI_SLOT(dev->devfn) < 12) { + irq = irq_map[dev->bus->number][PCI_SLOT(dev->devfn)]; + } + return irq + GROUP4_IRQ_BASE + 4; +} + diff --git a/target/linux/rb532/files-2.6.24/arch/mips/pci/ops-rc32434.c b/target/linux/rb532/files-2.6.24/arch/mips/pci/ops-rc32434.c new file mode 100644 index 000000000..b90ab1d12 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/arch/mips/pci/ops-rc32434.c @@ -0,0 +1,218 @@ +/************************************************************************** + * + * BRIEF MODULE DESCRIPTION + * pci_ops for IDT EB434 board + * + * Copyright 2004 IDT Inc. (rischelp@idt.com) + * Copyright 2006 Felix Fietkau <nbd@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + ************************************************************************** + * May 2004 rkt, neb + * + * Initial Release + * + * + * + ************************************************************************** + */ + +#include <linux/autoconf.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/types.h> +#include <linux/delay.h> + +#include <asm/cpu.h> +#include <asm/io.h> + +#include <asm/rc32434/rc32434.h> +#include <asm/rc32434/pci.h> + +#define PCI_ACCESS_READ 0 +#define PCI_ACCESS_WRITE 1 + + +#define PCI_CFG_SET(bus,slot,func,off) \ + (rc32434_pci->pcicfga = (0x80000000 | \ + ((bus) << 16) | ((slot)<<11) | \ + ((func)<<8) | (off))) + +static inline int config_access(unsigned char access_type, struct pci_bus *bus, + unsigned int devfn, unsigned char where, + u32 * data) +{ + unsigned int slot = PCI_SLOT(devfn); + u8 func = PCI_FUNC(devfn); + + /* Setup address */ + PCI_CFG_SET(bus->number, slot, func, where); + rc32434_sync(); + + if (access_type == PCI_ACCESS_WRITE) + rc32434_pci->pcicfgd = *data; + else + *data = rc32434_pci->pcicfgd; + + rc32434_sync(); + + return 0; +} + + +/* + * We can't address 8 and 16 bit words directly. Instead we have to + * read/write a 32bit word and mask/modify the data we actually want. + */ +static int read_config_byte(struct pci_bus *bus, unsigned int devfn, + int where, u8 * val) +{ + u32 data; + int ret; + + ret = config_access(PCI_ACCESS_READ, bus, devfn, where, &data); + *val = (data >> ((where & 3) << 3)) & 0xff; + return ret; +} + +static int read_config_word(struct pci_bus *bus, unsigned int devfn, + int where, u16 * val) +{ + u32 data; + int ret; + + ret = config_access(PCI_ACCESS_READ, bus, devfn, where, &data); + *val = (data >> ((where & 3) << 3)) & 0xffff; + return ret; +} + +static int read_config_dword(struct pci_bus *bus, unsigned int devfn, + int where, u32 * val) +{ + int ret; + int delay = 1; + + if (bus->number == 0 && PCI_SLOT(devfn) > 21) + return 0; + +retry: + ret = config_access(PCI_ACCESS_READ, bus, devfn, where, val); + + /* PCI scan: check for invalid values, device may not have + * finished initializing */ + + if (where == PCI_VENDOR_ID) { + if (ret == 0xffffffff || ret == 0x00000000 || + ret == 0x0000ffff || ret == 0xffff0000) { + + if (delay > 4) + return 0; + + delay *= 2; + msleep(delay); + goto retry; + } + } + + return ret; +} + +static int +write_config_byte(struct pci_bus *bus, unsigned int devfn, int where, + u8 val) +{ + u32 data = 0; + + if (config_access(PCI_ACCESS_READ, bus, devfn, where, &data)) + return -1; + + data = (data & ~(0xff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + + if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data)) + return -1; + + return PCIBIOS_SUCCESSFUL; +} + + +static int +write_config_word(struct pci_bus *bus, unsigned int devfn, int where, + u16 val) +{ + u32 data = 0; + + if (config_access(PCI_ACCESS_READ, bus, devfn, where, &data)) + return -1; + + data = (data & ~(0xffff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + + if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data)) + return -1; + + + return PCIBIOS_SUCCESSFUL; +} + + +static int +write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, + u32 val) +{ + if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &val)) + return -1; + + return PCIBIOS_SUCCESSFUL; +} + +static int pci_config_read(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 * val) +{ + switch (size) { + case 1: + return read_config_byte(bus, devfn, where, (u8 *) val); + case 2: + return read_config_word(bus, devfn, where, (u16 *) val); + default: + return read_config_dword(bus, devfn, where, val); + } +} + +static int pci_config_write(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 val) +{ + switch (size) { + case 1: + return write_config_byte(bus, devfn, where, (u8) val); + case 2: + return write_config_word(bus, devfn, where, (u16) val); + default: + return write_config_dword(bus, devfn, where, val); + } +} + +struct pci_ops rc32434_pci_ops = { + .read = pci_config_read, + .write = pci_config_write, +}; diff --git a/target/linux/rb532/files-2.6.24/arch/mips/pci/pci-rc32434.c b/target/linux/rb532/files-2.6.24/arch/mips/pci/pci-rc32434.c new file mode 100644 index 000000000..9ae596c22 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/arch/mips/pci/pci-rc32434.c @@ -0,0 +1,236 @@ +/************************************************************************** + * + * BRIEF MODULE DESCRIPTION + * PCI initialization for IDT EB434 board + * + * Copyright 2004 IDT Inc. (rischelp@idt.com) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + ************************************************************************** + * May 2004 rkt, neb + * + * Initial Release + * + * + * + ************************************************************************** + */ + +#include <linux/autoconf.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/kernel.h> +#include <linux/init.h> + +#include <asm/rc32434/rc32434.h> +#include <asm/rc32434/pci.h> + +#define PCI_ACCESS_READ 0 +#define PCI_ACCESS_WRITE 1 + +/* define an unsigned array for the PCI registers */ +unsigned int korinaCnfgRegs[25] = { + KORINA_CNFG1, KORINA_CNFG2, KORINA_CNFG3, KORINA_CNFG4, + KORINA_CNFG5, KORINA_CNFG6, KORINA_CNFG7, KORINA_CNFG8, + KORINA_CNFG9, KORINA_CNFG10, KORINA_CNFG11, KORINA_CNFG12, + KORINA_CNFG13, KORINA_CNFG14, KORINA_CNFG15, KORINA_CNFG16, + KORINA_CNFG17, KORINA_CNFG18, KORINA_CNFG19, KORINA_CNFG20, + KORINA_CNFG21, KORINA_CNFG22, KORINA_CNFG23, KORINA_CNFG24 +}; +static struct resource rc32434_res_pci_mem1; +static struct resource rc32434_res_pci_mem2; + +static struct resource rc32434_res_pci_mem1 = { + .name = "PCI MEM1", + .start = 0x50000000, + .end = 0x5FFFFFFF, + .flags = IORESOURCE_MEM, + .parent = &rc32434_res_pci_mem1, + .sibling = NULL, + .child = &rc32434_res_pci_mem2 +}; + +static struct resource rc32434_res_pci_mem2 = { + .name = "PCI Mem2", + .start = 0x60000000, + .end = 0x6FFFFFFF, + .flags = IORESOURCE_MEM, + .parent = &rc32434_res_pci_mem1, + .sibling = NULL, + .child = NULL +}; + +static struct resource rc32434_res_pci_io1 = { + .name = "PCI I/O1", + .start = 0x18800000, + .end = 0x188FFFFF, + .flags = IORESOURCE_IO, +}; + +extern struct pci_ops rc32434_pci_ops; + +#define PCI_MEM1_START PCI_ADDR_START +#define PCI_MEM1_END PCI_ADDR_START + CPUTOPCI_MEM_WIN - 1 +#define PCI_MEM2_START PCI_ADDR_START + CPUTOPCI_MEM_WIN +#define PCI_MEM2_END PCI_ADDR_START + ( 2* CPUTOPCI_MEM_WIN) - 1 +#define PCI_IO1_START PCI_ADDR_START + (2 * CPUTOPCI_MEM_WIN) +#define PCI_IO1_END PCI_ADDR_START + (2* CPUTOPCI_MEM_WIN) + CPUTOPCI_IO_WIN -1 +#define PCI_IO2_START PCI_ADDR_START + (2 * CPUTOPCI_MEM_WIN) + CPUTOPCI_IO_WIN +#define PCI_IO2_END PCI_ADDR_START + (2* CPUTOPCI_MEM_WIN) + (2 * CPUTOPCI_IO_WIN) -1 + + +struct pci_controller rc32434_controller2; + +struct pci_controller rc32434_controller = { + .pci_ops = &rc32434_pci_ops, + .mem_resource = &rc32434_res_pci_mem1, + .io_resource = &rc32434_res_pci_io1, + .mem_offset = 0, + .io_offset = 0, + +}; + +#ifdef __MIPSEB__ +#define PCI_ENDIAN_FLAG PCILBAC_sb_m +#else +#define PCI_ENDIAN_FLAG 0 +#endif + +static int __init rc32434_pcibridge_init(void) +{ + unsigned int pcicValue, pcicData = 0; + unsigned int dummyRead, pciCntlVal; + int loopCount; + unsigned int pciConfigAddr; + + pcicValue = rc32434_pci->pcic; + pcicValue = (pcicValue >> PCIM_SHFT) & PCIM_BIT_LEN; + if (!((pcicValue == PCIM_H_EA) || + (pcicValue == PCIM_H_IA_FIX) || + (pcicValue == PCIM_H_IA_RR))) { + printk("PCI init error!!!\n"); + /* Not in Host Mode, return ERROR */ + return -1; + } + /* Enables the Idle Grant mode, Arbiter Parking */ + pcicData |=(PCIC_igm_m|PCIC_eap_m|PCIC_en_m); + rc32434_pci->pcic = pcicData; /* Enable the PCI bus Interface */ + /* Zero out the PCI status & PCI Status Mask */ + for(;;) + { + pcicData = rc32434_pci->pcis; + if (!(pcicData & PCIS_rip_m)) + break; + } + + rc32434_pci->pcis = 0; + rc32434_pci->pcism = 0xFFFFFFFF; + /* Zero out the PCI decoupled registers */ + rc32434_pci->pcidac=0; /* disable PCI decoupled accesses at initialization */ + rc32434_pci->pcidas=0; /* clear the status */ + rc32434_pci->pcidasm=0x0000007F; /* Mask all the interrupts */ + /* Mask PCI Messaging Interrupts */ + rc32434_pci_msg->pciiic = 0; + rc32434_pci_msg->pciiim = 0xFFFFFFFF; + rc32434_pci_msg->pciioic = 0; + rc32434_pci_msg->pciioim = 0; + + + /* Setup PCILB0 as Memory Window */ + rc32434_pci->pcilba[0].a = (unsigned int) (PCI_ADDR_START); + + /* setup the PCI map address as same as the local address */ + + rc32434_pci->pcilba[0].m = (unsigned int) (PCI_ADDR_START); + + + /* Setup PCILBA1 as MEM */ + rc32434_pci->pcilba[0].c = ( ((SIZE_256MB & 0x1f) << PCILBAC_size_b) | PCI_ENDIAN_FLAG); + dummyRead = rc32434_pci->pcilba[0].c; /* flush the CPU write Buffers */ + rc32434_pci->pcilba[1].a = 0x60000000; + rc32434_pci->pcilba[1].m = 0x60000000; + + /* setup PCILBA2 as IO Window*/ + rc32434_pci->pcilba[1].c = (((SIZE_256MB & 0x1f) << PCILBAC_size_b )| PCI_ENDIAN_FLAG); + dummyRead = rc32434_pci->pcilba[1].c; /* flush the CPU write Buffers */ + rc32434_pci->pcilba[2].a = 0x18C00000; + rc32434_pci->pcilba[2].m = 0x18FFFFFF; + + /* setup PCILBA2 as IO Window*/ + rc32434_pci->pcilba[2].c = (((SIZE_4MB & 0x1f) << PCILBAC_size_b) | PCI_ENDIAN_FLAG ); + dummyRead = rc32434_pci->pcilba[2].c; /* flush the CPU write Buffers */ + + /* Setup PCILBA3 as IO Window */ + rc32434_pci->pcilba[3].a = 0x18800000; + rc32434_pci->pcilba[3].m = 0x18800000; + rc32434_pci->pcilba[3].c = ( (((SIZE_1MB & 0x1ff) << PCILBAC_size_b) | PCILBAC_msi_m) | PCI_ENDIAN_FLAG); + dummyRead = rc32434_pci->pcilba[3].c; /* flush the CPU write Buffers */ + + pciConfigAddr=(unsigned int)(0x80000004); + for(loopCount=0;loopCount<24;loopCount++){ + rc32434_pci->pcicfga=pciConfigAddr; + dummyRead=rc32434_pci->pcicfga; + rc32434_pci->pcicfgd = korinaCnfgRegs[loopCount]; + dummyRead=rc32434_pci->pcicfgd; + pciConfigAddr += 4; + } + rc32434_pci->pcitc = (unsigned int)((PCITC_RTIMER_VAL&0xff) << PCITC_rtimer_b) + | ((PCITC_DTIMER_VAL&0xff) << PCITC_dtimer_b); + + pciCntlVal=rc32434_pci->pcic; + pciCntlVal &=~(PCIC_tnr_m); + rc32434_pci->pcic = pciCntlVal; + pciCntlVal=rc32434_pci->pcic; + return 0; +} + +/* Do platform specific device initialization at pci_enable_device() time */ +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + if (PCI_SLOT(dev->devfn) == 6 && dev->bus->number == 0) { + /* disable prefetched memory range */ + pci_write_config_word(dev, PCI_PREF_MEMORY_LIMIT, 0); + pci_write_config_word(dev, PCI_PREF_MEMORY_BASE, 0x10); + + pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 4); + } + return 0; +} + +static int __init rc32434_pci_init(void) +{ + printk("PCI: Initializing PCI\n"); + + ioport_resource.start = rc32434_res_pci_io1.start; + ioport_resource.end = rc32434_res_pci_io1.end; + + rc32434_pcibridge_init(); + + register_pci_controller(&rc32434_controller); + rc32434_sync(); + + return 0; +} + +arch_initcall(rc32434_pci_init); + diff --git a/target/linux/rb532/files-2.6.24/arch/mips/rb500/Makefile b/target/linux/rb532/files-2.6.24/arch/mips/rb500/Makefile new file mode 100644 index 000000000..d3ae3d912 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/arch/mips/rb500/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the RB500 board specific parts of the kernel +# + +obj-y += irq.o time.o setup.o serial.o prom.o gpio.o devices.o diff --git a/target/linux/rb532/files-2.6.24/arch/mips/rb500/devices.c b/target/linux/rb532/files-2.6.24/arch/mips/rb500/devices.c new file mode 100644 index 000000000..6372737de --- /dev/null +++ b/target/linux/rb532/files-2.6.24/arch/mips/rb500/devices.c @@ -0,0 +1,338 @@ +/* + * RouterBoard 500 Platform devices + * + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/ctype.h> +#include <linux/string.h> +#include <linux/platform_device.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> + +#include <asm/bootinfo.h> + +#include <asm/rc32434/rc32434.h> +#include <asm/rc32434/dma.h> +#include <asm/rc32434/dma_v.h> +#include <asm/rc32434/eth.h> +#include <asm/rc32434/rb.h> + +#define ETH0_DMA_RX_IRQ GROUP1_IRQ_BASE + 0 +#define ETH0_DMA_TX_IRQ GROUP1_IRQ_BASE + 1 +#define ETH0_RX_OVR_IRQ GROUP3_IRQ_BASE + 9 +#define ETH0_TX_UND_IRQ GROUP3_IRQ_BASE + 10 + +#define ETH0_RX_DMA_ADDR (DMA0_PhysicalAddress + 0*DMA_CHAN_OFFSET) +#define ETH0_TX_DMA_ADDR (DMA0_PhysicalAddress + 1*DMA_CHAN_OFFSET) + +/* NAND definitions */ +#define MEM32(x) *((volatile unsigned *) (x)) + +#define GPIO_RDY (1 << 0x08) +#define GPIO_WPX (1 << 0x09) +#define GPIO_ALE (1 << 0x0a) +#define GPIO_CLE (1 << 0x0b) + +extern char* board_type; + +static struct resource korina_dev0_res[] = { + { + .name = "korina_regs", + .start = ETH0_PhysicalAddress, + .end = ETH0_PhysicalAddress + sizeof(ETH_t), + .flags = IORESOURCE_MEM, + }, { + .name = "korina_rx", + .start = ETH0_DMA_RX_IRQ, + .end = ETH0_DMA_RX_IRQ, + .flags = IORESOURCE_IRQ + }, { + .name = "korina_tx", + .start = ETH0_DMA_TX_IRQ, + .end = ETH0_DMA_TX_IRQ, + .flags = IORESOURCE_IRQ + }, { + .name = "korina_ovr", + .start = ETH0_RX_OVR_IRQ, + .end = ETH0_RX_OVR_IRQ, + .flags = IORESOURCE_IRQ + }, { + .name = "korina_und", + .start = ETH0_TX_UND_IRQ, + .end = ETH0_TX_UND_IRQ, + .flags = IORESOURCE_IRQ + }, { + .name = "korina_dma_rx", + .start = ETH0_RX_DMA_ADDR, + .end = ETH0_RX_DMA_ADDR + DMA_CHAN_OFFSET - 1, + .flags = IORESOURCE_MEM, + }, { + .name = "korina_dma_tx", + .start = ETH0_TX_DMA_ADDR, + .end = ETH0_TX_DMA_ADDR + DMA_CHAN_OFFSET - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct korina_device korina_dev0_data = { + .name = "korina0", + .mac = {0xde, 0xca, 0xff, 0xc0, 0xff, 0xee} +}; + +static struct platform_device korina_dev0 = { + .id = 0, + .name = "korina", + .dev.platform_data = &korina_dev0_data, + .resource = korina_dev0_res, + .num_resources = ARRAY_SIZE(korina_dev0_res), +}; + +#define CF_GPIO_NUM 13 + +static struct resource cf_slot0_res[] = { + { + .name = "cf_membase", + .flags = IORESOURCE_MEM + }, { + .name = "cf_irq", + .start = (8 + 4 * 32 + CF_GPIO_NUM), /* 149 */ + .end = (8 + 4 * 32 + CF_GPIO_NUM), + .flags = IORESOURCE_IRQ + } +}; + +static struct cf_device cf_slot0_data = { + .gpio_pin = 13 +}; + +static struct platform_device cf_slot0 = { + .id = 0, + .name = "rb500-cf", + .dev.platform_data = &cf_slot0_data, + .resource = cf_slot0_res, + .num_resources = ARRAY_SIZE(cf_slot0_res), +}; + +/* Resources and device for NAND. There is no data needed and no irqs, so just define the memory used. */ + +/* + * We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader + * will not be able to find the kernel that we load. So set the oobinfo + * when creating the partitions + */ +static struct nand_ecclayout rb500_nand_ecclayout = { + .eccbytes = 6, + .eccpos = { 8, 9, 10, 13, 14, 15 }, + .oobavail = 9, + .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } } +}; + +int rb500_dev_ready(struct mtd_info *mtd) +{ + return MEM32(IDT434_REG_BASE + GPIOD) & GPIO_RDY; +} + +void rb500_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) +{ + struct nand_chip *chip = mtd->priv; + unsigned char orbits, nandbits; + + if (ctrl & NAND_CTRL_CHANGE) { + + orbits = (ctrl & NAND_CLE) << 1; + orbits |= (ctrl & NAND_ALE) >> 1; + + nandbits = (~ctrl & NAND_CLE) << 1; + nandbits |= (~ctrl & NAND_ALE) >> 1; + + changeLatchU5(orbits, nandbits); + } + if (cmd != NAND_CMD_NONE) + writeb(cmd, chip->IO_ADDR_W); +} + +static struct resource nand_slot0_res[] = { + [0] = { + .name = "nand_membase", + .flags = IORESOURCE_MEM + } +}; + +struct platform_nand_data rb500_nand_data = { + .ctrl.dev_ready = rb500_dev_ready, + .ctrl.cmd_ctrl = rb500_cmd_ctrl, +}; + +static struct platform_device nand_slot0 = { + .name = "gen_nand", + .id = -1, + .resource = nand_slot0_res, + .num_resources = ARRAY_SIZE(nand_slot0_res), + .dev.platform_data = &rb500_nand_data, +}; + +static struct mtd_partition rb500_partition_info[] = { + { + .name = "Routerboard NAND boot", + .offset = 0, + .size = 4 * 1024 * 1024, + }, { + .name = "rootfs", + .offset = MTDPART_OFS_NXTBLK, + .size = MTDPART_SIZ_FULL, + } +}; + +static struct platform_device rb500_led = { + .name = "rb500-led", + .id = 0, +}; + +static struct gpio_keys_button rb500_gpio_btn[] = { + { + .gpio = 1, + .code = BTN_0, + .desc = "S1", + .active_low = 1, + } +}; + +static struct gpio_keys_platform_data rb500_gpio_btn_data = { + .buttons = rb500_gpio_btn, + .nbuttons = ARRAY_SIZE(rb500_gpio_btn), +}; + +static struct platform_device rb500_button = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &rb500_gpio_btn_data, + } +}; + +static struct platform_device *rb500_devs[] = { + &korina_dev0, + &nand_slot0, + &cf_slot0, + &rb500_led, + &rb500_button +}; + +static void __init parse_mac_addr(char *macstr) +{ + int i, j; + unsigned char result, value; + + for (i = 0; i < 6; i++) { + result = 0; + + if (i != 5 && *(macstr + 2) != ':') + return; + + for (j = 0; j < 2; j++) { + if (isxdigit(*macstr) + && (value = + isdigit(*macstr) ? *macstr - + '0' : toupper(*macstr) - 'A' + 10) < 16) { + result = result * 16 + value; + macstr++; + } else + return; + } + + macstr++; + korina_dev0_data.mac[i] = result; + } +} + + +/* DEVICE CONTROLLER 1 */ +#define CFG_DC_DEV1 (void*)0xb8010010 +#define CFG_DC_DEV2 (void*)0xb8010020 +#define CFG_DC_DEVBASE 0x0 +#define CFG_DC_DEVMASK 0x4 +#define CFG_DC_DEVC 0x8 +#define CFG_DC_DEVTC 0xC + +/* NAND definitions */ +#define NAND_CHIP_DELAY 25 + +static int rb500_nand_fixup(struct mtd_info *mtd) +{ + struct nand_chip *chip = mtd->priv; + + if (mtd->writesize == 512) + chip->ecc.layout = &rb500_nand_ecclayout; + + return 0; +} + +static void __init rb500_nand_setup(void) +{ + switch (mips_machtype) { + case MACH_MIKROTIK_RB532A: + changeLatchU5(LO_FOFF | LO_CEX, LO_ULED | LO_ALE | LO_CLE | LO_WPX); + break; + default: + changeLatchU5(LO_WPX | LO_FOFF | LO_CEX, LO_ULED | LO_ALE | LO_CLE); + break; + } + + /* Setup NAND specific settings */ + rb500_nand_data.chip.nr_chips = 1; + rb500_nand_data.chip.nr_partitions = ARRAY_SIZE(rb500_partition_info); + rb500_nand_data.chip.partitions = rb500_partition_info; + rb500_nand_data.chip.chip_delay = NAND_CHIP_DELAY; + rb500_nand_data.chip.options = NAND_NO_AUTOINCR; + + rb500_nand_data.chip.chip_fixup = &rb500_nand_fixup; +} + + +static int __init plat_setup_devices(void) +{ + /* Look for the CF card reader */ + if (!readl(CFG_DC_DEV1 + CFG_DC_DEVMASK)) + rb500_devs[1] = NULL; + else { + cf_slot0_res[0].start = + readl(CFG_DC_DEV1 + CFG_DC_DEVBASE); + cf_slot0_res[0].end = cf_slot0_res[0].start + 0x1000; + } + + /* Read the NAND resources from the device controller */ + nand_slot0_res[0].start = readl(CFG_DC_DEV2 + CFG_DC_DEVBASE); + nand_slot0_res[0].end = nand_slot0_res[0].start + 0x1000; + + /* Initialise the NAND device */ + rb500_nand_setup(); + + return platform_add_devices(rb500_devs, ARRAY_SIZE(rb500_devs)); +} + +static int __init setup_kmac(char *s) +{ + printk("korina mac = %s\n", s); + parse_mac_addr(s); + return 0; +} + +__setup("kmac=", setup_kmac); + +arch_initcall(plat_setup_devices); diff --git a/target/linux/rb532/files-2.6.24/arch/mips/rb500/gpio.c b/target/linux/rb532/files-2.6.24/arch/mips/rb500/gpio.c new file mode 100644 index 000000000..6c92a8fe5 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/arch/mips/rb500/gpio.c @@ -0,0 +1,198 @@ +/* + * Miscellaneous functions for IDT EB434 board + * + * Copyright 2004 IDT Inc. (rischelp@idt.com) + * Copyright 2006 Phil Sutter <n0-1@freewrt.org> + * Copyright 2007 Florian Fainelli <florian@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/spinlock.h> +#include <linux/io.h> +#include <linux/platform_device.h> + +#include <asm/addrspace.h> +#include <asm/gpio.h> + +#include <asm/rc32434/rb.h> + +#define GPIO_BADDR 0x18050000 + +static volatile unsigned char *devCtl3Base; +static unsigned char latchU5State; +static spinlock_t clu5Lock = SPIN_LOCK_UNLOCKED; + +struct rb500_gpio_reg __iomem *rb500_gpio_reg0; +EXPORT_SYMBOL(rb500_gpio_reg0); + +static struct resource rb500_gpio_reg0_res[] = { + { + .name = "gpio_reg0", + .start = GPIO_BADDR, + .end = GPIO_BADDR + sizeof(struct rb500_gpio_reg), + .flags = IORESOURCE_MEM, + } +}; + +void set434Reg(unsigned regOffs, unsigned bit, unsigned len, unsigned val) +{ + unsigned flags, data; + unsigned i = 0; + + spin_lock_irqsave(&clu5Lock, flags); + data = *(volatile unsigned *) (IDT434_REG_BASE + regOffs); + for (i = 0; i != len; ++i) { + if (val & (1 << i)) + data |= (1 << (i + bit)); + else + data &= ~(1 << (i + bit)); + } + *(volatile unsigned *) (IDT434_REG_BASE + regOffs) = data; + spin_unlock_irqrestore(&clu5Lock, flags); +} +EXPORT_SYMBOL(set434Reg); + +void changeLatchU5(unsigned char orMask, unsigned char nandMask) +{ + unsigned flags; + + spin_lock_irqsave(&clu5Lock, flags); + latchU5State = (latchU5State | orMask) & ~nandMask; + if (!devCtl3Base) + devCtl3Base = (volatile unsigned char *) + KSEG1ADDR(*(volatile unsigned *) + KSEG1ADDR(0x18010030)); + *devCtl3Base = latchU5State; + spin_unlock_irqrestore(&clu5Lock, flags); +} +EXPORT_SYMBOL(changeLatchU5); + +unsigned char getLatchU5State(void) +{ + return latchU5State; +} +EXPORT_SYMBOL(getLatchU5State); + +int rb500_gpio_get_value(unsigned gpio) +{ + return readl(&rb500_gpio_reg0->gpiod) & (1 << gpio); +} +EXPORT_SYMBOL(rb500_gpio_get_value); + +void rb500_gpio_set_value(unsigned gpio, int value) +{ + unsigned tmp; + + tmp = readl(&rb500_gpio_reg0->gpiod) & ~(1 << gpio); + if (value) + tmp |= 1 << gpio; + + writel(tmp, (void *)&rb500_gpio_reg0->gpiod); +} +EXPORT_SYMBOL(rb500_gpio_set_value); + +int rb500_gpio_direction_input(unsigned gpio) +{ + writel(readl(&rb500_gpio_reg0->gpiocfg) & ~(1 << gpio), (void *)&rb500_gpio_reg0->gpiocfg); + + return 0; +} +EXPORT_SYMBOL(rb500_gpio_direction_input); + +int rb500_gpio_direction_output(unsigned gpio, int value) +{ + gpio_set_value(gpio, value); + writel(readl(&rb500_gpio_reg0->gpiocfg) | (1 << gpio), (void *)&rb500_gpio_reg0->gpiocfg); + + return 0; +} +EXPORT_SYMBOL(rb500_gpio_direction_output); + +void rb500_gpio_set_int_level(unsigned gpio, int value) +{ + unsigned tmp; + + tmp = readl(&rb500_gpio_reg0->gpioilevel) & ~(1 << gpio); + if (value) + tmp |= 1 << gpio; + writel(tmp, (void *)&rb500_gpio_reg0->gpioilevel); +} +EXPORT_SYMBOL(rb500_gpio_set_int_level); + +int rb500_gpio_get_int_level(unsigned gpio) +{ + return readl(&rb500_gpio_reg0->gpioilevel) & (1 << gpio); +} +EXPORT_SYMBOL(rb500_gpio_get_int_level); + +void rb500_gpio_set_int_status(unsigned gpio, int value) +{ + unsigned tmp; + + tmp = readl(&rb500_gpio_reg0->gpioistat); + if (value) + tmp |= 1 << gpio; + writel(tmp, (void *)&rb500_gpio_reg0->gpioistat); +} +EXPORT_SYMBOL(rb500_gpio_set_int_status); + +int rb500_gpio_get_int_status(unsigned gpio) +{ + return readl(&rb500_gpio_reg0->gpioistat) & (1 << gpio); +} +EXPORT_SYMBOL(rb500_gpio_get_int_status); + +void rb500_gpio_set_func(unsigned gpio, int value) +{ + unsigned tmp; + + tmp = readl(&rb500_gpio_reg0->gpiofunc); + if (value) + tmp |= 1 << gpio; + writel(tmp, (void *)&rb500_gpio_reg0->gpiofunc); +} +EXPORT_SYMBOL(rb500_gpio_set_func); + +int rb500_gpio_get_func(unsigned gpio) +{ + return readl(&rb500_gpio_reg0->gpiofunc) & (1 << gpio); +} +EXPORT_SYMBOL(rb500_gpio_get_func); + +int __init rb500_gpio_init(void) +{ + rb500_gpio_reg0 = ioremap_nocache(rb500_gpio_reg0_res[0].start, + rb500_gpio_reg0_res[0].end - + rb500_gpio_reg0_res[0].start); + + if (!rb500_gpio_reg0) { + printk(KERN_ERR "rb500: cannot remap GPIO register 0\n"); + return -ENXIO; + } + + return 0; +} +arch_initcall(rb500_gpio_init); diff --git a/target/linux/rb532/files-2.6.24/arch/mips/rb500/irq.c b/target/linux/rb532/files-2.6.24/arch/mips/rb500/irq.c new file mode 100644 index 000000000..3f3e900c9 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/arch/mips/rb500/irq.c @@ -0,0 +1,265 @@ +/* + * BRIEF MODULE DESCRIPTION + * RC32434 interrupt routines. + * + * Copyright 2002 MontaVista Software Inc. + * Author: MontaVista Software, Inc. + * stevel@mvista.com or source@mvista.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/kernel_stat.h> +#include <linux/module.h> +#include <linux/signal.h> +#include <linux/sched.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/timex.h> +#include <linux/slab.h> +#include <linux/random.h> +#include <linux/delay.h> + +#include <asm/bitops.h> +#include <asm/bootinfo.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/time.h> +#include <asm/mipsregs.h> +#include <asm/system.h> +#include <asm/rc32434/rc32434.h> +#include <asm/rc32434/gpio.h> + +extern void set_debug_traps(void); +extern irq_cpustat_t irq_stat [NR_CPUS]; +unsigned int local_bh_count[NR_CPUS]; +unsigned int local_irq_count[NR_CPUS]; + +static unsigned int startup_irq(unsigned int irq); +static void rb500_end_irq(unsigned int irq_nr); +static void mask_and_ack_irq(unsigned int irq_nr); +static void rb500_enable_irq(unsigned int irq_nr); +static void rb500_disable_irq(unsigned int irq_nr); + +extern void __init init_generic_irq(void); +extern struct rb500_gpio_reg __iomem *rb500_gpio_reg0; + +typedef struct { + u32 mask; /* mask of valid bits in pending/mask registers */ + volatile u32 *base_addr; +} intr_group_t; + +#define RC32434_NR_IRQS (GROUP4_IRQ_BASE + 32) + +#if (NR_IRQS < RC32434_NR_IRQS) +#error Too little irqs defined. Did you override <asm/irq.h> ? +#endif + +static const intr_group_t intr_group[NUM_INTR_GROUPS] = { + { 0x0000efff, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 0 * IC_GROUP_OFFSET) }, + { 0x00001fff, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 1 * IC_GROUP_OFFSET) }, + { 0x00000007, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 2 * IC_GROUP_OFFSET) }, + { 0x0003ffff, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 3 * IC_GROUP_OFFSET) }, + { 0xffffffff, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 4 * IC_GROUP_OFFSET) } +}; + +#define READ_PEND(base) (*(base)) +#define READ_MASK(base) (*(base + 2)) +#define WRITE_MASK(base, val) (*(base + 2) = (val)) + +static inline int irq_to_group(unsigned int irq_nr) +{ + return ((irq_nr - GROUP0_IRQ_BASE) >> 5); +} + +static inline int group_to_ip(unsigned int group) +{ + return group + 2; +} + +static inline void enable_local_irq(unsigned int ip) +{ + int ipnum = 0x100 << ip; + clear_c0_cause(ipnum); + set_c0_status(ipnum); +} + +static inline void disable_local_irq(unsigned int ip) +{ + int ipnum = 0x100 << ip; + clear_c0_status(ipnum); +} + +static inline void ack_local_irq(unsigned int ip) +{ + int ipnum = 0x100 << ip; + clear_c0_cause(ipnum); +} + +static void rb500_enable_irq(unsigned int irq_nr) +{ + int ip = irq_nr - GROUP0_IRQ_BASE; + unsigned int group, intr_bit; + volatile unsigned int *addr; + + + if (ip < 0) + enable_local_irq(irq_nr); + else { + group = ip >> 5; + + ip &= (1<<5)-1; + intr_bit = 1 << ip; + + enable_local_irq(group_to_ip(group)); + + addr = intr_group[group].base_addr; + WRITE_MASK(addr, READ_MASK(addr) & ~intr_bit); + } +} + +static void rb500_disable_irq(unsigned int irq_nr) +{ + int ip = irq_nr - GROUP0_IRQ_BASE; + unsigned int group, intr_bit, mask; + volatile unsigned int *addr; + + if (ip < 0) { + disable_local_irq(irq_nr); + }else{ + group = ip >> 5; + + ip &= (1<<5) -1; + intr_bit = 1 << ip; + addr = intr_group[group].base_addr; + mask = READ_MASK(addr); + mask |= intr_bit; + WRITE_MASK(addr,mask); + + /* + * if there are no more interrupts enabled in this + * group, disable corresponding IP + */ + if (mask == intr_group[group].mask) + disable_local_irq(group_to_ip(group)); + } +} + +static unsigned int startup_irq(unsigned int irq_nr) +{ + rb500_enable_irq(irq_nr); + return 0; +} + +static void shutdown_irq(unsigned int irq_nr) +{ + rb500_disable_irq(irq_nr); + return; +} + +static void mask_and_ack_irq(unsigned int irq_nr) +{ + rb500_disable_irq(irq_nr); + ack_local_irq(group_to_ip(irq_to_group(irq_nr))); +} + +static void rb500_end_irq(unsigned int irq_nr) +{ + + int ip = irq_nr - GROUP0_IRQ_BASE; + unsigned int intr_bit, group; + volatile unsigned int *addr; + + if ((irq_desc[irq_nr].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { + printk("warning: end_irq %d did not enable (%x)\n", + irq_nr, irq_desc[irq_nr].status); + return; + } + + if (ip < 0) { + enable_local_irq(irq_nr); + } else { + group = ip >> 5; + + ip &= (1 << 5) - 1; + intr_bit = 1 << ip; + + if (irq_nr >= GROUP4_IRQ_BASE && irq_nr <= (GROUP4_IRQ_BASE + 13)) { + rb500_gpio_reg0->gpioistat = rb500_gpio_reg0->gpioistat & ~intr_bit; + } + + enable_local_irq(group_to_ip(group)); + + addr = intr_group[group].base_addr; + WRITE_MASK(addr, READ_MASK(addr) & ~intr_bit); + } +} + +static struct hw_interrupt_type rc32434_irq_type = { + .typename = "RB500", + .startup = startup_irq, + .shutdown = shutdown_irq, + .enable = rb500_enable_irq, + .disable = rb500_disable_irq, + .ack = mask_and_ack_irq, + .end = rb500_end_irq, +}; + + +void __init arch_init_irq(void) +{ + int i; + + printk("Initializing IRQ's: %d out of %d\n", RC32434_NR_IRQS, NR_IRQS); + memset(irq_desc, 0, sizeof(irq_desc)); + + for (i = 0; i < RC32434_NR_IRQS; i++) { + irq_desc[i].status = IRQ_DISABLED; + irq_desc[i].action = NULL; + irq_desc[i].depth = 1; + irq_desc[i].chip = &rc32434_irq_type; + spin_lock_init(&irq_desc[i].lock); + } +} + +/* Main Interrupt dispatcher */ +asmlinkage void plat_irq_dispatch(void) +{ + unsigned int ip, pend, group; + volatile unsigned int *addr; + unsigned int cp0_cause = read_c0_cause() & read_c0_status(); + + if (cp0_cause & CAUSEF_IP7) { + do_IRQ(7); + } else if ((ip = (cp0_cause & 0x7c00))) { + group = 21 - rc32434_clz(ip); + + addr = intr_group[group].base_addr; + + pend = READ_PEND(addr); + pend &= ~READ_MASK(addr); // only unmasked interrupts + pend = 39 - rc32434_clz(pend); + do_IRQ((group << 5) + pend); + } +} diff --git a/target/linux/rb532/files-2.6.24/arch/mips/rb500/prom.c b/target/linux/rb532/files-2.6.24/arch/mips/rb500/prom.c new file mode 100644 index 000000000..2d03b57f9 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/arch/mips/rb500/prom.c @@ -0,0 +1,177 @@ +/* +* prom.c +********************************************************************** +* P . Sadik Oct 10, 2003 +* +* Started change log +* idt_cpu_freq is make a kernel configuration parameter +* idt_cpu_freq is exported so that other modules can use it. +* Code cleanup +********************************************************************** +* P. Sadik Oct 20, 2003 +* +* Removed NVRAM code from here, since they are already available under +* nvram directory. +* Added serial port initialisation. +********************************************************************** +********************************************************************** +* P. Sadik Oct 30, 2003 +* +* Added reset_cons_port +********************************************************************** + + P.Christeas, 2005-2006 + Port to 2.6, add 2.6 cmdline parsing + +*/ + +#include <linux/autoconf.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/string.h> +#include <linux/console.h> +#include <asm/bootinfo.h> +#include <linux/bootmem.h> +#include <linux/ioport.h> +#include <linux/blkdev.h> +#include <asm/rc32434/ddr.h> + +#define PROM_ENTRY(x) (0xbfc00000+((x)*8)) +extern void __init setup_serial_port(void); + +unsigned int idt_cpu_freq = 132000000; +EXPORT_SYMBOL(idt_cpu_freq); +unsigned int gpio_bootup_state = 0; +EXPORT_SYMBOL(gpio_bootup_state); + +char mips_mac_address[18] = "08:00:06:05:40:01"; +EXPORT_SYMBOL(mips_mac_address); + +/* what to append to cmdline when button is [not] pressed */ +#define GPIO_INIT_NOBUTTON "" +#define GPIO_INIT_BUTTON " 2" + +#ifdef CONFIG_MIKROTIK_RB500 +unsigned soft_reboot = 0; +EXPORT_SYMBOL(soft_reboot); +#endif + +#define SR_NMI 0x00180000 /* NMI */ +#define SERIAL_SPEED_ENTRY 0x00000001 + +#ifdef CONFIG_REMOTE_DEBUG +extern int remote_debug; +#endif + +#define FREQ_TAG "HZ=" +#define GPIO_TAG "gpio=" +#define KMAC_TAG "kmac=" +#define MEM_TAG "mem=" +#define BOARD_TAG "board=" +#define IGNORE_CMDLINE_MEM 1 +#define DEBUG_DDR + +#define BOARD_RB532 "500" +#define BOARD_RB532A "500r5" + +void parse_soft_settings(unsigned *ptr, unsigned size); +void parse_hard_settings(unsigned *ptr, unsigned size); + +void __init prom_setup_cmdline(void); + +void __init prom_init(void) +{ + DDR_t ddr = (DDR_t) DDR_VirtualAddress; /* define the pointer to the DDR registers */ + phys_t memsize = 0-ddr->ddrmask; + + /* this should be the very first message, even before serial is properly initialized */ + prom_setup_cmdline(); + setup_serial_port(); + + soft_reboot = read_c0_status() & SR_NMI; + pm_power_off = NULL; + + /* + * give all RAM to boot allocator, + * except for the first 0x400 and the last 0x200 bytes + */ + add_memory_region(ddr->ddrbase + 0x400, memsize - 0x600, BOOT_MEM_RAM); +} + +void __init prom_free_prom_memory(void) +{ + /* No prom memory to free */ +} + +static inline int match_tag(char *arg, const char *tag) +{ + return (strncmp(arg, tag, strlen(tag)) == 0); +} + +static inline unsigned long tag2ul(char *arg, const char *tag) +{ + char *num = arg+strlen(tag); + return simple_strtoul(num, 0, 10); +} + +extern char _image_cmdline; +void __init prom_setup_cmdline(void){ + char cmd_line[CL_SIZE]; + char *cp; + int prom_argc; + char **prom_argv, **prom_envp; + int i; + + prom_argc = fw_arg0; + prom_argv = (char **) fw_arg1; + prom_envp = (char **) fw_arg2; + + cp=cmd_line; + /* Note: it is common that parameters start at argv[1] and not argv[0], + however, our elf loader starts at [0] */ + for(i=0;i<prom_argc;i++){ + if (match_tag(prom_argv[i], FREQ_TAG)) { + idt_cpu_freq = tag2ul(prom_argv[i], FREQ_TAG); + continue; + } +#ifdef IGNORE_CMDLINE_MEM + /* parses out the "mem=xx" arg */ + if (match_tag(prom_argv[i], MEM_TAG)) { + continue; + } +#endif + if (i>0) *(cp++) = ' '; + if (match_tag(prom_argv[i], BOARD_TAG)) { + char *board = prom_argv[i] + strlen(BOARD_TAG); + if (match_tag(board, BOARD_RB532A)) + mips_machtype = MACH_MIKROTIK_RB532A; + else + mips_machtype = MACH_MIKROTIK_RB532; + } + + if (match_tag(prom_argv[i], GPIO_TAG)) { + gpio_bootup_state = tag2ul(prom_argv[i], GPIO_TAG); + } + strcpy(cp,prom_argv[i]); + cp+=strlen(prom_argv[i]); + } + *(cp++) = ' '; + strcpy(cp,(&_image_cmdline + 8)); + cp += strlen(&_image_cmdline); + + i=strlen(arcs_cmdline); + if (i>0){ + *(cp++) = ' '; + strcpy(cp,arcs_cmdline); + cp+=strlen(arcs_cmdline); + } + if (gpio_bootup_state&0x02) + strcpy(cp,GPIO_INIT_NOBUTTON); + else + strcpy(cp,GPIO_INIT_BUTTON); + cmd_line[CL_SIZE-1] = '\0'; + + strcpy(arcs_cmdline,cmd_line); +} + diff --git a/target/linux/rb532/files-2.6.24/arch/mips/rb500/serial.c b/target/linux/rb532/files-2.6.24/arch/mips/rb500/serial.c new file mode 100644 index 000000000..25a03e010 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/arch/mips/rb500/serial.c @@ -0,0 +1,78 @@ +/************************************************************************** + * + * BRIEF MODULE DESCRIPTION + * Serial port initialisation. + * + * Copyright 2004 IDT Inc. (rischelp@idt.com) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + ************************************************************************** + * May 2004 rkt, neb + * + * Initial Release + * + * + * + ************************************************************************** + */ + + +#include <linux/autoconf.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/pci.h> +#include <linux/interrupt.h> +#include <linux/tty.h> +#include <linux/serial.h> +#include <linux/serial_core.h> +#include <linux/serial_8250.h> + +#include <asm/time.h> +#include <asm/cpu.h> +#include <asm/bootinfo.h> +#include <asm/irq.h> +#include <asm/serial.h> +#include <asm/rc32434/rc32434.h> + +extern unsigned int idt_cpu_freq; + +static struct uart_port serial_req = { + .type = PORT_16550A, + .line = 0, + .irq = RC32434_UART0_IRQ, + //.flags = STD_COM_FLAGS, + .iotype = UPIO_MEM, + .membase = (char *) KSEG1ADDR(RC32434_UART0_BASE), +// .fifosize = 14 + .regshift = 2 +}; + +int __init setup_serial_port(void) +{ + serial_req.uartclk = idt_cpu_freq; + + if (early_serial_setup(&serial_req)) + return -ENODEV; + + return(0); +} diff --git a/target/linux/rb532/files-2.6.24/arch/mips/rb500/setup.c b/target/linux/rb532/files-2.6.24/arch/mips/rb500/setup.c new file mode 100644 index 000000000..0da7e6340 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/arch/mips/rb500/setup.c @@ -0,0 +1,81 @@ +/* + * setup.c - boot time setup code + */ + +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/sched.h> +#include <linux/irq.h> +#include <linux/ioport.h> +#include <linux/pm.h> +#include <asm/bootinfo.h> +#include <asm/mipsregs.h> +#include <asm/pgtable.h> +#include <asm/reboot.h> +#include <asm/addrspace.h> /* for KSEG1ADDR() */ +#include <asm/time.h> +#include <asm/io.h> +#include <asm/rc32434/rc32434.h> +#include <asm/rc32434/pci.h> + +#ifdef CONFIG_PCI +extern void rc32434_time_init(void); +extern int __init rc32434_pcibridge_init(void); +#endif + +#define epldMask ((volatile unsigned char *)0xB900000d) + +static void rb_machine_restart(char *command) +{ + /* just jump to the reset vector */ + * (volatile unsigned *) KSEG1ADDR(0x18008000) = 0x80000001; + ((void (*)(void))KSEG1ADDR(0x1FC00000u))(); +} + +static void rb_machine_halt(void) +{ + for(;;) continue; +} + +#ifdef CONFIG_CPU_HAS_WB +void (*__wbflush) (void); + +static void rb_write_buffer_flush(void) +{ + __asm__ __volatile__ + ("sync\n\t" "nop\n\t" "loop: bc0f loop\n\t" "nop\n\t"); +} +#endif + +void __init plat_mem_setup(void) +{ + unsigned int pciCntlVal; + + //board_time_init = rc32434_time_init; + +#ifdef CONFIG_CPU_HAS_WB + __wbflush = rb_write_buffer_flush; +#endif + _machine_restart = rb_machine_restart; + _machine_halt = rb_machine_halt; + /*_machine_power_off = rb_machine_power_halt;*/ + pm_power_off = rb_machine_halt; + + set_io_port_base(KSEG1); + + pciCntlVal=rc32434_pci->pcic; + pciCntlVal &= 0xFFFFFF7; + rc32434_pci->pcic = pciCntlVal; + +#ifdef CONFIG_PCI + /* Enable PCI interrupts in EPLD Mask register */ + *epldMask = 0x0; + *(epldMask + 1) = 0x0; +#endif + write_c0_wired(0); +} + +const char *get_system_type(void) +{ + return "MIPS RB500"; +} diff --git a/target/linux/rb532/files-2.6.24/arch/mips/rb500/time.c b/target/linux/rb532/files-2.6.24/arch/mips/rb500/time.c new file mode 100644 index 000000000..23a7b032a --- /dev/null +++ b/target/linux/rb532/files-2.6.24/arch/mips/rb500/time.c @@ -0,0 +1,83 @@ +/* +**************************************************************************** +* Carsten Langgaard, carstenl@mips.com +* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. +* +*************************************************************************** +* +* This program is free software; you can distribute it and/or modify it +* under the terms of the GNU General Public License (Version 2) as +* published by the Free Software Foundation. +* +* This program is distributed in the hope it will be useful, but WITHOUT +* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +* for more details. +* +* You should have received a copy of the GNU General Public License along +* with this program; if not, write to the Free Software Foundation, Inc., +* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. +* +**************************************************************************** +* +* Setting up the clock on the MIPS boards. +* +**************************************************************************** +* P. Sadik Oct 10, 2003 +* +* Started change log. +* mips_counter_frequency is now calculated at run time, based on idt_cpu_freq. +* Code cleanup +**************************************************************************** +*/ + +#include <linux/autoconf.h> +#include <linux/init.h> +#include <linux/kernel_stat.h> +#include <linux/sched.h> +#include <linux/spinlock.h> +#include <linux/mc146818rtc.h> +#include <linux/irq.h> +#include <linux/timex.h> + +#include <asm/irq_cpu.h> +#include <asm/mipsregs.h> +#include <asm/ptrace.h> +#include <asm/debug.h> +#include <asm/rc32434/rc32434.h> + +static unsigned long r4k_offset; /* Amount to incr compare reg each time */ +static unsigned long r4k_cur; /* What counter should be at next timer irq */ +extern unsigned int mips_hpt_frequency; +extern unsigned int idt_cpu_freq; + +/* + * Figure out the r4k offset, the amount to increment the compare + * register for each time tick. There is no RTC available. + * + * The RC32434 counts at half the CPU *core* speed. + */ +static unsigned long __init cal_r4koff(void) +{ + mips_hpt_frequency = idt_cpu_freq * IDT_CLOCK_MULT / 2; + return (mips_hpt_frequency / HZ); +} + + +void __init plat_time_init(void) +{ + unsigned int est_freq, flags; + + local_irq_save(flags); + + printk("calculating r4koff... "); + r4k_offset = cal_r4koff(); + printk("%08lx(%d)\n", r4k_offset, (int) r4k_offset); + + est_freq = 2*r4k_offset*HZ; + est_freq += 5000; /* round */ + est_freq -= est_freq%10000; + printk("CPU frequency %d.%02d MHz\n", est_freq/1000000, + (est_freq%1000000)*100/1000000); + local_irq_restore(flags); +} diff --git a/target/linux/rb532/files-2.6.24/drivers/block/rb500/Makefile b/target/linux/rb532/files-2.6.24/drivers/block/rb500/Makefile new file mode 100644 index 000000000..3e14dc35b --- /dev/null +++ b/target/linux/rb532/files-2.6.24/drivers/block/rb500/Makefile @@ -0,0 +1,3 @@ +## Makefile for the RB532 CF port + +obj-y += bdev.o ata.o diff --git a/target/linux/rb532/files-2.6.24/drivers/block/rb500/ata.c b/target/linux/rb532/files-2.6.24/drivers/block/rb500/ata.c new file mode 100644 index 000000000..31e6782fa --- /dev/null +++ b/target/linux/rb532/files-2.6.24/drivers/block/rb500/ata.c @@ -0,0 +1,487 @@ +/* CF-mips driver + This is a block driver for the direct (mmaped) interface to the CF-slot, + found in Routerboard.com's RB532 board + See SDK provided from routerboard.com. + + Module adapted By P.Christeas <p_christeas@yahoo.com>, 2005-6. + Cleaned up and adapted to platform_device by Felix Fietkau <nbd@openwrt.org> + + This work is redistributed under the terms of the GNU General Public License. +*/ + +#include <linux/kernel.h> /* printk() */ +#include <linux/module.h> /* module to be loadable */ +#include <linux/delay.h> +#include <linux/sched.h> +#include <linux/pci.h> +#include <linux/ioport.h> /* request_mem_region() */ + +#include <asm/gpio.h> +#include <asm/unaligned.h> /* ioremap() */ +#include <asm/io.h> /* ioremap() */ +#include <asm/rc32434/rb.h> + +#include "ata.h" + +#define REQUEST_MEM_REGION 0 +#define DEBUG 1 + +#if DEBUG +#define DEBUGP printk +#else +#define DEBUGP(format, args...) +#endif + +#define SECS 1000000 /* unit for wait_not_busy() is 1us */ + +unsigned cf_head = 0; +unsigned cf_cyl = 0; +unsigned cf_spt = 0; +unsigned cf_sectors = 0; +static unsigned cf_block_size = 1; +static void *baddr = 0; + +#define DBUF32 ((volatile u32 *)((unsigned long)dev->baddr | ATA_DBUF_OFFSET)) + + +static void cf_do_tasklet(unsigned long dev_l); + + +static inline void wareg(u8 val, unsigned reg, struct cf_mips_dev* dev) +{ + writeb(val, dev->baddr + ATA_REG_OFFSET + reg); +} + +static inline u8 rareg(unsigned reg, struct cf_mips_dev* dev) +{ + return readb(dev->baddr + ATA_REG_OFFSET + reg); +} + +static inline int cfrdy(struct cf_mips_dev *dev) +{ + return gpio_get_value(dev->pin); +} + +static inline void prepare_cf_irq(struct cf_mips_dev *dev) +{ + rb500_gpio_set_int_level(1, dev->pin); /* interrupt on cf ready (not busy) */ + rb500_gpio_set_int_status(0, dev->pin); /* clear interrupt status */ +} + +static inline int cf_present(struct cf_mips_dev* dev) +{ + /* TODO: read and configure CIS into memory mapped mode + * TODO: parse CISTPL_CONFIG on CF+ cards to get base address (0x200) + * TODO: maybe adjust power saving setting for Hitachi Microdrive + */ + int i; + + /* setup CFRDY GPIO as input */ + rb500_gpio_set_func(dev->pin, 0); + gpio_direction_input(dev->pin); + + for (i = 0; i < 0x10; ++i) { + if (rareg(i,dev) != 0xff) + return 1; + } + return 0; +} + +static inline int is_busy(struct cf_mips_dev *dev) +{ + return !cfrdy(dev); +} + +static int wait_not_busy(int to_us, int wait_for_busy,struct cf_mips_dev *dev) +{ + int us_passed = 0; + if (wait_for_busy && !is_busy(dev)) { + /* busy must appear within 400ns, + * but it may dissapear before we see it + * => must not wait for busy in a loop + */ + ndelay(400); + } + + do { + if (us_passed) + udelay(1); /* never reached in async mode */ + if (!is_busy(dev)) { + if (us_passed > 1 * SECS) { + printk(KERN_WARNING "cf-mips: not busy ok (after %dus)" + ", status 0x%02x\n", us_passed, (unsigned) rareg(ATA_REG_ST,dev)); + } + return CF_TRANS_OK; + } + if (us_passed == 1 * SECS) { + printk(KERN_WARNING "cf-mips: wait not busy %dus..\n", to_us); + } + if (dev->async_mode) { + dev->to_timer.expires = jiffies + (to_us * HZ / SECS); + dev->irq_enable_time = jiffies; + prepare_cf_irq(dev); + if (is_busy(dev)) { + add_timer(&dev->to_timer); + enable_irq(dev->irq); + return CF_TRANS_IN_PROGRESS; + } + continue; + } + ++us_passed; + } while (us_passed < to_us); + + printk(KERN_ERR "cf-mips: wait not busy timeout (%dus)" + ", status 0x%02x, state %d\n", + to_us, (unsigned) rareg(ATA_REG_ST,dev), dev->tstate); + return CF_TRANS_FAILED; +} + +static irqreturn_t cf_irq_handler(int irq, void *dev_id) +{ + /* While tasklet has not disabled irq, irq will be retried all the time + * because of ILEVEL matching GPIO pin status => deadlock. + * To avoid this, we change ILEVEL to 0. + */ + struct cf_mips_dev *dev=dev_id; + + rb500_gpio_set_int_level(0, dev->pin); + rb500_gpio_set_int_status(0, dev->pin); + + del_timer(&dev->to_timer); + tasklet_schedule(&dev->tasklet); + return IRQ_HANDLED; +} + +static int do_reset(struct cf_mips_dev *dev) +{ + printk(KERN_INFO "cf-mips: resetting..\n"); + + wareg(ATA_REG_DC_SRST, ATA_REG_DC,dev); + udelay(1); /* FIXME: how long should we wait here? */ + wareg(0, ATA_REG_DC,dev); + + return wait_not_busy(30 * SECS, 1,dev); +} + +static int set_multiple(struct cf_mips_dev *dev) +{ + if (dev->block_size <= 1) + return CF_TRANS_OK; + + wareg(dev->block_size, ATA_REG_SC,dev); + wareg(ATA_REG_DH_BASE | ATA_REG_DH_LBA, ATA_REG_DH,dev); + wareg(ATA_CMD_SET_MULTIPLE, ATA_REG_CMD,dev); + + return wait_not_busy(10 * SECS, 1,dev); +} + +static int set_cmd(struct cf_mips_dev *dev) +{ + //DEBUGP(KERN_INFO "cf-mips: ata cmd 0x%02x\n", dev->tcmd); + // sector_count should be <=24 bits.. + BUG_ON(dev->tsect_start>=0x10000000); + // This way, it addresses 2^24 * 512 = 128G + + if (dev->tsector_count) { + wareg(dev->tsector_count & 0xff, ATA_REG_SC,dev); + wareg(dev->tsect_start & 0xff, ATA_REG_SN,dev); + wareg((dev->tsect_start >> 8) & 0xff, ATA_REG_CL,dev); + wareg((dev->tsect_start >> 16) & 0xff, ATA_REG_CH,dev); + } + wareg(((dev->tsect_start >> 24) & 0x0f) | ATA_REG_DH_BASE | ATA_REG_DH_LBA, + ATA_REG_DH,dev); /* select drive on all commands */ + wareg(dev->tcmd, ATA_REG_CMD,dev); + return wait_not_busy(10 * SECS, 1,dev); +} + +static int do_trans(struct cf_mips_dev *dev) +{ + int res; + unsigned st; + int transfered; + + //printk("do_trans: %d sectors left\n",dev->tsectors_left); + while (dev->tsectors_left) { + transfered = 0; + + st = rareg(ATA_REG_ST,dev); + if (!(st & ATA_REG_ST_DRQ)) { + printk(KERN_ERR "cf-mips: do_trans without DRQ (status 0x%x)!\n", st); + if (st & ATA_REG_ST_ERR) { + int errId = rareg(ATA_REG_ERR,dev); + printk(KERN_ERR "cf-mips: %s error, status 0x%x, errid 0x%x\n", + (dev->tread ? "read" : "write"), st, errId); + } + return CF_TRANS_FAILED; + } + do { /* Fill/read the buffer one block */ + u32 *qbuf, *qend; + qbuf = (u32 *)dev->tbuf; + qend = qbuf + CF_SECT_SIZE / sizeof(u32); + if (dev->tread) { + while (qbuf!=qend) + put_unaligned(*DBUF32,qbuf++); + //*(qbuf++) = *DBUF32; + } + else { + while(qbuf!=qend) + *DBUF32 = get_unaligned(qbuf++); + } + + dev->tsectors_left--; + dev->tbuf += CF_SECT_SIZE; + dev->tbuf_size -= CF_SECT_SIZE; + transfered++; + } while (transfered != dev->block_size && dev->tsectors_left > 0); + + res = wait_not_busy(10 * SECS, 1,dev); + if (res != CF_TRANS_OK) + return res; + }; + + st = rareg(ATA_REG_ST,dev); + if (st & (ATA_REG_ST_DRQ | ATA_REG_ST_DWF | ATA_REG_ST_ERR)) { + if (st & ATA_REG_ST_DRQ) { + printk(KERN_ERR "cf-mips: DRQ after all %d sectors are %s" + ", status 0x%x\n", dev->tsector_count, (dev->tread ? "read" : "written"), st); + } else if (st & ATA_REG_ST_DWF) { + printk(KERN_ERR "cf-mips: write fault, status 0x%x\n", st); + } else { + int errId = rareg(ATA_REG_ERR,dev); + printk(KERN_ERR "cf-mips: %s error, status 0x%x, errid 0x%x\n", + (dev->tread ? "read" : "write"), st, errId); + } + return CF_TRANS_FAILED; + } + return CF_TRANS_OK; +} + +static int cf_do_state(struct cf_mips_dev *dev) +{ + int res; + switch (dev->tstate) { /* fall through everywhere */ + case TS_IDLE: + dev->tstate = TS_READY; + if (is_busy(dev)) { + dev->tstate = TS_AFTER_RESET; + res = do_reset(dev); + if (res != CF_TRANS_OK) + break; + } + case TS_AFTER_RESET: + if (dev->tstate == TS_AFTER_RESET) { + dev->tstate = TS_READY; + res = set_multiple(dev); + if (res != CF_TRANS_OK) + break; + } + case TS_READY: + dev->tstate = TS_CMD; + res = set_cmd(dev); + if (res != CF_TRANS_OK) + break;; + case TS_CMD: + dev->tstate = TS_TRANS; + case TS_TRANS: + res = do_trans(dev); + break; + default: + printk(KERN_ERR "cf-mips: BUG: unknown tstate %d\n", dev->tstate); + return CF_TRANS_FAILED; + } + if (res != CF_TRANS_IN_PROGRESS) + dev->tstate = TS_IDLE; + return res; +} + +static void cf_do_tasklet(unsigned long dev_l) +{ + struct cf_mips_dev* dev=(struct cf_mips_dev*) dev_l; + int res; + + disable_irq(dev->irq); + + if (dev->tstate == TS_IDLE) + return; /* can happen when irq is first registered */ + +#if 0 + DEBUGP(KERN_WARNING "cf-mips: not busy ok (tasklet) status 0x%02x\n", + (unsigned) rareg(ATA_REG_ST,dev)); +#endif + + res = cf_do_state(dev); + if (res == CF_TRANS_IN_PROGRESS) + return; + cf_async_trans_done(dev,res); +} + +static void cf_async_timeout(unsigned long dev_l) +{ + struct cf_mips_dev* dev=(struct cf_mips_dev*) dev_l; + disable_irq(dev->irq); + /* Perhaps send abort to the device? */ + printk(KERN_ERR "cf-mips: wait not busy timeout (%lus)" + ", status 0x%02x, state %d\n", + jiffies - dev->irq_enable_time, (unsigned) rareg(ATA_REG_ST,dev), dev->tstate); + dev->tstate = TS_IDLE; + cf_async_trans_done(dev,CF_TRANS_FAILED); +} + +int cf_do_transfer(struct cf_mips_dev* dev,sector_t sector, unsigned long nsect, + char* buffer, int is_write) +{ + BUG_ON(dev->tstate!=TS_IDLE); + if (nsect > ATA_MAX_SECT_PER_CMD) { + printk(KERN_WARNING "cf-mips: sector count %lu out of range\n",nsect); + return CF_TRANS_FAILED; + } + if (sector + nsect > dev->sectors) { + printk(KERN_WARNING "cf-mips: sector %lu out of range\n",sector); + return CF_TRANS_FAILED; + } + dev->tbuf = buffer; + dev->tbuf_size = nsect*512; + dev->tsect_start = sector; + dev->tsector_count = nsect; + dev->tsectors_left = dev->tsector_count; + dev->tread = (is_write)?0:1; + + dev->tcmd = (dev->block_size == 1 ? + (is_write ? ATA_CMD_WRITE_SECTORS : ATA_CMD_READ_SECTORS) : + (is_write ? ATA_CMD_WRITE_MULTIPLE : ATA_CMD_READ_MULTIPLE)); + + return cf_do_state(dev); +} + +static int do_identify(struct cf_mips_dev *dev) +{ + u16 sbuf[CF_SECT_SIZE >> 1]; + int res; + char tstr[17]; //serial + char tmp; + int i; + BUG_ON(dev->tstate!=TS_IDLE); + dev->tbuf = (char *) sbuf; + dev->tbuf_size = CF_SECT_SIZE; + dev->tsect_start = 0; + dev->tsector_count = 0; + dev->tsectors_left = 1; + dev->tread = 1; + dev->tcmd = ATA_CMD_IDENTIFY_DRIVE; + + DEBUGP(KERN_INFO "cf-mips: identify drive..\n"); + res = cf_do_state(dev); + if (res == CF_TRANS_IN_PROGRESS) { + printk(KERN_ERR "cf-mips: BUG: async identify cmd\n"); + return CF_TRANS_FAILED; + } + if (res != CF_TRANS_OK) + return 0; + + dev->head = sbuf[3]; + dev->cyl = sbuf[1]; + dev->spt = sbuf[6]; + dev->sectors = ((unsigned long) sbuf[7] << 16) | sbuf[8]; + dev->dtype=sbuf[0]; + memcpy(tstr, &sbuf[12], 16); + tstr[16] = '\0'; + + /* Byte-swap the serial number */ + for (i = 0; i<8; i++) { + tmp = tstr[i * 2]; + tstr[i * 2] = tstr[i * 2 +1]; + tstr[i * 2 + 1] = tmp; + } + + printk(KERN_INFO "cf-mips: %s detected, C/H/S=%d/%d/%d sectors=%u (%uMB) Serial=%s\n", + (sbuf[0] == 0x848A ? "CF card" : "ATA drive"), dev->cyl, dev->head, + dev->spt, dev->sectors, dev->sectors >> 11, tstr); + return 1; +} + +static void init_multiple(struct cf_mips_dev * dev) +{ + int res; + DEBUGP(KERN_INFO "cf-mips: detecting block size\n"); + + dev->block_size = 128; /* max block size = 128 sectors (64KB) */ + do { + wareg(dev->block_size, ATA_REG_SC,dev); + wareg(ATA_REG_DH_BASE | ATA_REG_DH_LBA, ATA_REG_DH,dev); + wareg(ATA_CMD_SET_MULTIPLE, ATA_REG_CMD,dev); + + res = wait_not_busy(10 * SECS, 1,dev); + if (res != CF_TRANS_OK) { + printk(KERN_ERR "cf-mips: failed to detect block size: busy!\n"); + dev->block_size = 1; + return; + } + if ((rareg(ATA_REG_ST,dev) & ATA_REG_ST_ERR) == 0) + break; + dev->block_size /= 2; + } while (dev->block_size > 1); + + printk(KERN_INFO "cf-mips: multiple sectors = %d\n", dev->block_size); +} + +int cf_init(struct cf_mips_dev *dev) +{ + tasklet_init(&dev->tasklet,cf_do_tasklet,(unsigned long)dev); + dev->baddr = ioremap_nocache((unsigned long)dev->base, CFDEV_BUF_SIZE); + if (!dev->baddr) { + printk(KERN_ERR "cf-mips: cf_init: ioremap for (%lx,%x) failed\n", + (unsigned long) dev->base, CFDEV_BUF_SIZE); + return -EBUSY; + } + + if (!cf_present(dev)) { + printk(KERN_WARNING "cf-mips: cf card not present\n"); + iounmap(dev->baddr); + return -ENODEV; + } + + if (do_reset(dev) != CF_TRANS_OK) { + printk(KERN_ERR "cf-mips: cf reset failed\n"); + iounmap(dev->baddr); + return -EBUSY; + } + + if (!do_identify(dev)) { + printk(KERN_ERR "cf-mips: cf identify failed\n"); + iounmap(dev->baddr); + return -EBUSY; + } + +/* set_apm_level(ATA_APM_WITH_STANDBY); */ + init_multiple(dev); + + init_timer(&dev->to_timer); + dev->to_timer.function = cf_async_timeout; + dev->to_timer.data = (unsigned long)dev; + + prepare_cf_irq(dev); + if (request_irq(dev->irq, cf_irq_handler, 0, "CF Mips", dev)) { + printk(KERN_ERR "cf-mips: failed to get irq\n"); + iounmap(dev->baddr); + return -EBUSY; + } + /* Disable below would be odd, because request will enable, and the tasklet + will disable it itself */ + //disable_irq(dev->irq); + + dev->async_mode = 1; + + return 0; +} + +void cf_cleanup(struct cf_mips_dev *dev) +{ + iounmap(dev->baddr); + free_irq(dev->irq, NULL); +#if REQUEST_MEM_REGION + release_mem_region((unsigned long)dev->base, CFDEV_BUF_SIZE); +#endif +} + + +/*eof*/ diff --git a/target/linux/rb532/files-2.6.24/drivers/block/rb500/ata.h b/target/linux/rb532/files-2.6.24/drivers/block/rb500/ata.h new file mode 100644 index 000000000..15e882630 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/drivers/block/rb500/ata.h @@ -0,0 +1,143 @@ +/* CF-mips driver + This is a block driver for the direct (mmaped) interface to the CF-slot, + found in Routerboard.com's RB532 board + See SDK provided from routerboard.com. + + Module adapted By P.Christeas <p_christeas@yahoo.com>, 2005-6. + Cleaned up and adapted to platform_device by Felix Fietkau <nbd@openwrt.org> + + This work is redistributed under the terms of the GNU General Public License. +*/ + +#ifndef __CFMIPS_ATA_H__ +#define __CFMIPS_ATA_H__ + +#include <linux/interrupt.h> + +#define CFG_DC_DEV1 (void*)0xb8010010 +#define CFG_DC_DEVBASE 0x0 +#define CFG_DC_DEVMASK 0x4 +#define CFG_DC_DEVC 0x8 +#define CFG_DC_DEVTC 0xC + +#define CFDEV_BUF_SIZE 0x1000 +#define ATA_CIS_OFFSET 0x200 +#define ATA_REG_OFFSET 0x800 +#define ATA_DBUF_OFFSET 0xC00 + +#define ATA_REG_FEAT 0x1 +#define ATA_REG_SC 0x2 +#define ATA_REG_SN 0x3 +#define ATA_REG_CL 0x4 +#define ATA_REG_CH 0x5 +#define ATA_REG_DH 0x6 +#define ATA_REG_DH_BASE 0xa0 +#define ATA_REG_DH_LBA 0x40 +#define ATA_REG_DH_DRV 0x10 +#define ATA_REG_CMD 0x7 +#define ATA_REG_ST 0x7 +#define ATA_REG_ST_BUSY 0x80 +#define ATA_REG_ST_RDY 0x40 +#define ATA_REG_ST_DWF 0x20 +#define ATA_REG_ST_DSC 0x10 +#define ATA_REG_ST_DRQ 0x08 +#define ATA_REG_ST_CORR 0x04 +#define ATA_REG_ST_ERR 0x01 +#define ATA_REG_ERR 0xd +#define ATA_REG_DC 0xe +#define ATA_REG_DC_IEN 0x02 +#define ATA_REG_DC_SRST 0x04 + +#define ATA_CMD_READ_SECTORS 0x20 +#define ATA_CMD_WRITE_SECTORS 0x30 +#define ATA_CMD_EXEC_DRIVE_DIAG 0x90 +#define ATA_CMD_READ_MULTIPLE 0xC4 +#define ATA_CMD_WRITE_MULTIPLE 0xC5 +#define ATA_CMD_SET_MULTIPLE 0xC6 +#define ATA_CMD_IDENTIFY_DRIVE 0xEC +#define ATA_CMD_SET_FEATURES 0xEF + +#define ATA_FEATURE_ENABLE_APM 0x05 +#define ATA_FEATURE_DISABLE_APM 0x85 +#define ATA_APM_DISABLED 0x00 +#define ATA_APM_MIN_POWER 0x01 +#define ATA_APM_WITH_STANDBY 0x7f +#define ATA_APM_WITHOUT_STANDBY 0x80 +#define ATA_APM_MAX_PERFORMANCE 0xfe + +#define CF_SECT_SIZE 0x200 +/* That is the ratio CF_SECT_SIZE/512 (the kernel sector size) */ +#define CF_KERNEL_MUL 1 +#define ATA_MAX_SECT_PER_CMD 0x100 + +#define CF_TRANS_FAILED 0 +#define CF_TRANS_OK 1 +#define CF_TRANS_IN_PROGRESS 2 + + +enum trans_state { + TS_IDLE = 0, + TS_AFTER_RESET, + TS_READY, + TS_CMD, + TS_TRANS +}; + +// +// #if DEBUG +// static unsigned long busy_time; +// #endif + +/** Struct to hold the cfdev +Actually, all the data here only has one instance. However, for +reasons of programming conformity, it is passed around as a pointer +*/ +struct cf_mips_dev { + void *base; /* base address for I/O */ + void *baddr; /* remapped address */ + + int pin; /* gpio pin */ + int irq; /* gpio irq */ + + unsigned head; + unsigned cyl; + unsigned spt; + unsigned sectors; + + unsigned short block_size; + unsigned dtype ; // ATA or CF + struct request_queue *queue; + struct gendisk *gd; + + /* Transaction state */ + enum trans_state tstate; + char *tbuf; + unsigned long tbuf_size; + sector_t tsect_start; + unsigned tsector_count; + unsigned tsectors_left; + int tread; + unsigned tcmd; + int async_mode; + unsigned long irq_enable_time; + + struct request *active_req; /* A request is being carried out. Is that different from tstate? */ + int users; + struct timer_list to_timer; + struct tasklet_struct tasklet; + + /** This lock ensures that the requests to this device are all done + atomically. Transfers can run in parallel, requests are all queued + one-by-one */ + spinlock_t lock; +}; + +int cf_do_transfer(struct cf_mips_dev* dev,sector_t sector, unsigned long nsect, + char* buffer, int is_write); +int cf_init(struct cf_mips_dev* dev); +void cf_cleanup(struct cf_mips_dev* dev); + +void cf_async_trans_done(struct cf_mips_dev* dev, int result); +// void *cf_get_next_buf(unsigned long *buf_size); + +#endif diff --git a/target/linux/rb532/files-2.6.24/drivers/block/rb500/bdev.c b/target/linux/rb532/files-2.6.24/drivers/block/rb500/bdev.c new file mode 100644 index 000000000..f8a9b02d7 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/drivers/block/rb500/bdev.c @@ -0,0 +1,340 @@ +/* CF-mips driver + This is a block driver for the direct (mmaped) interface to the CF-slot, + found in Routerboard.com's RB532 board + See SDK provided from routerboard.com. + + Module adapted By P.Christeas <p_christeas@yahoo.com>, 2005-6. + Cleaned up and adapted to platform_device by Felix Fietkau <nbd@openwrt.org> + + This work is redistributed under the terms of the GNU General Public License. +*/ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/time.h> +#include <linux/wait.h> +#include <linux/fs.h> +#include <linux/genhd.h> +#include <linux/blkdev.h> +#include <linux/blkpg.h> +#include <linux/hdreg.h> +#include <linux/platform_device.h> + +#include <asm/uaccess.h> +#include <asm/io.h> +#include <asm/gpio.h> + +#include <asm/rc32434/rb.h> + +#ifdef DEBUG +#define DEBUGP printk +#define DLEVEL 1 +#else +#define DEBUGP(format, args...) +#define DLEVEL 0 +#endif + +#define CF_MIPS_MAJOR 13 +#define MAJOR_NR CF_MIPS_MAJOR +#define CF_MAX_PART 16 /* max 15 partitions */ + +#include "ata.h" + +//extern struct block_device_operations cf_bdops; + +// static struct hd_struct cf_parts[CF_MAX_PART]; +// static int cf_part_sizes[CF_MAX_PART]; +// static int cf_hsect_sizes[CF_MAX_PART]; +// static int cf_max_sectors[CF_MAX_PART]; +// static int cf_blksize_sizes[CF_MAX_PART]; + +// static spinlock_t lock = SPIN_LOCK_UNLOCKED; + +// volatile int cf_busy = 0; + +static struct request *active_req = NULL; + +static int cf_open (struct inode *, struct file *); +static int cf_release (struct inode *, struct file *); +static int cf_ioctl (struct inode *, struct file *, unsigned, unsigned long); + +static void cf_request(request_queue_t * q); +static int cf_transfer(const struct request *req); + +/*long (*unlocked_ioctl) (struct file *, unsigned, unsigned long); +long (*compat_ioctl) (struct file *, unsigned, unsigned long);*/ +// int (*direct_access) (struct block_device *, sector_t, unsigned long *); +// int (*media_changed) (struct gendisk *); +// int (*revalidate_disk) (struct gendisk *); + +static struct block_device_operations cf_bdops = { + .owner = THIS_MODULE, + .open = cf_open, + .release = cf_release, + .ioctl = cf_ioctl, + .media_changed = NULL, + .unlocked_ioctl = NULL, + .revalidate_disk = NULL, + .compat_ioctl = NULL, + .direct_access = NULL +}; + + +int cf_mips_probe(struct platform_device *pdev) +{ + struct gendisk* cf_gendisk=NULL; + struct cf_device *cdev = (struct cf_device *) pdev->dev.platform_data; + struct cf_mips_dev *dev; + struct resource *r; + int reg_result; + + reg_result = register_blkdev(MAJOR_NR, "cf-mips"); + if (reg_result < 0) { + printk(KERN_WARNING "cf-mips: can't get major %d\n", MAJOR_NR); + return reg_result; + } + + dev = (struct cf_mips_dev *)kmalloc(sizeof(struct cf_mips_dev),GFP_KERNEL); + if (!dev) + goto out_err; + memset(dev, 0, sizeof(struct cf_mips_dev)); + cdev->dev = dev; + + dev->pin = cdev->gpio_pin; + dev->irq = platform_get_irq_byname(pdev, "cf_irq"); + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cf_membase"); + dev->base = (void *) r->start; + + if (cf_init(dev)) goto out_err; + printk("init done"); + + spin_lock_init(&dev->lock); + dev->queue = blk_init_queue(cf_request,&dev->lock); + if (!dev->queue){ + printk(KERN_ERR "cf-mips: no mem for queue\n"); + goto out_err; + } + blk_queue_max_sectors(dev->queue,ATA_MAX_SECT_PER_CMD); + + /* For memory devices, it is always better to avoid crossing segments + inside the same request. */ +/* if (dev->dtype==0x848A){ + printk(KERN_INFO "Setting boundary for cf to 0x%x",(dev->block_size*512)-1); + blk_queue_segment_boundary(dev->queue, (dev->block_size*512)-1); + }*/ + + dev->gd = alloc_disk(CF_MAX_PART); + cf_gendisk = dev->gd; + cdev->gd = dev->gd; + if (!cf_gendisk) goto out_err; /* Last of these goto's */ + + cf_gendisk->major = MAJOR_NR; + cf_gendisk->first_minor = 0; + cf_gendisk->queue=dev->queue; + BUG_ON(cf_gendisk->minors != CF_MAX_PART); + strcpy(cf_gendisk->disk_name,"cfa"); + cf_gendisk->fops = &cf_bdops; + cf_gendisk->flags = 0 ; /* is not yet GENHD_FL_REMOVABLE */ + cf_gendisk->private_data=dev; + + set_capacity(cf_gendisk,dev->sectors * CF_KERNEL_MUL); + + /* Let the disk go live */ + add_disk(cf_gendisk); +#if 0 + result = cf_init(); + + /* default cfg for all partitions */ + memset(cf_parts, 0, sizeof (cf_parts[0]) * CF_MAX_PART); + memset(cf_part_sizes, 0, sizeof (cf_part_sizes[0]) * CF_MAX_PART); + for (i = 0; i < CF_MAX_PART; ++i) { + cf_hsect_sizes[i] = CF_SECT_SIZE; + cf_max_sectors[i] = ATA_MAX_SECT_PER_CMD; + cf_blksize_sizes[i] = BLOCK_SIZE; + } + + /* setup info for whole disk (partition 0) */ + cf_part_sizes[0] = cf_sectors / 2; + cf_parts[0].nr_sects = cf_sectors; + + blk_size[MAJOR_NR] = cf_part_sizes; + blksize_size[MAJOR_NR] = cf_blksize_sizes; + max_sectors[MAJOR_NR] = cf_max_sectors; + hardsect_size[MAJOR_NR] = cf_hsect_sizes; + read_ahead[MAJOR_NR] = 8; /* (4kB) */ + + blk_init_queue(BLK_DEFAULT_QUEUE(MAJOR_NR), DEVICE_REQUEST); + + add_gendisk(&cf_gendisk); +#endif +// printk(KERN_INFO "cf-mips partition check: \n"); +// register_disk(cf_gendisk, MKDEV(MAJOR_NR, 0), CF_MAX_PART, +// &cf_bdops, dev->sectors); + return 0; + +out_err: + if (dev->queue){ + blk_cleanup_queue(dev->queue); + } + if (reg_result) { + unregister_blkdev(MAJOR_NR, "cf-mips"); + return reg_result; + } + if (dev){ + cf_cleanup(dev); + kfree(dev); + } + return 1; +} + +static int +cf_mips_remove(struct platform_device *pdev) +{ + struct cf_device *cdev = (struct cf_device *) pdev->dev.platform_data; + struct cf_mips_dev *dev = (struct cf_mips_dev *) cdev->dev; + + unregister_blkdev(MAJOR_NR, "cf-mips"); + blk_cleanup_queue(dev->queue); + + del_gendisk(dev->gd); + cf_cleanup(dev); + return 0; +} + + +static struct platform_driver cf_driver = { + .driver.name = "rb500-cf", + .probe = cf_mips_probe, + .remove = cf_mips_remove, +}; + +static int __init cf_mips_init(void) +{ + printk(KERN_INFO "cf-mips module loaded\n"); + return platform_driver_register(&cf_driver); +} + +static void cf_mips_cleanup(void) +{ + platform_driver_unregister(&cf_driver); + printk(KERN_INFO "cf-mips module removed\n"); +} + +module_init(cf_mips_init); +module_exit(cf_mips_cleanup); + +MODULE_LICENSE("GPL"); +MODULE_ALIAS_BLOCKDEV_MAJOR(CF_MIPS_MAJOR); + + +static int cf_open(struct inode *inode, struct file *filp) +{ + struct cf_mips_dev *dev=inode->i_bdev->bd_disk->private_data; + int minor = MINOR(inode->i_rdev); + + if (minor >= CF_MAX_PART) + return -ENODEV; + //DEBUGP(KERN_INFO "cf-mips module opened, minor %d\n", minor); + spin_lock(&dev->lock); + dev->users++; + spin_unlock(&dev->lock); + filp->private_data=dev; + + /* dirty workaround to set CFRDY GPIO as an input when some other + program sets it as an output */ + gpio_set_value(dev->pin, 0); + return 0; /* success */ +} + +static int cf_release(struct inode *inode, struct file *filp) +{ + int minor = MINOR(inode->i_rdev); + struct cf_mips_dev *dev=inode->i_bdev->bd_disk->private_data; + spin_lock(&dev->lock); + dev->users--; + spin_unlock(&dev->lock); + return 0; +} + +static int cf_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + unsigned minor = MINOR(inode->i_rdev); + struct cf_mips_dev *dev=inode->i_bdev->bd_disk->private_data; + + DEBUGP(KERN_INFO "cf_ioctl cmd %u\n", cmd); + switch (cmd) { + case BLKRRPART: /* re-read partition table */ + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + printk(KERN_INFO "cf-mips partition check: \n"); + register_disk(dev->gd); + return 0; + + case HDIO_GETGEO: + { + struct hd_geometry geo; + geo.cylinders = dev->cyl; + geo.heads = dev->head; + geo.sectors = dev->spt; + geo.start = (*dev->gd->part)[minor].start_sect; + if (copy_to_user((void *) arg, &geo, sizeof (geo))) + return -EFAULT; + } + return 0; + } + + return -EINVAL; /* unknown command */ +} + +static void cf_request(request_queue_t * q) +{ + struct cf_mips_dev* dev; + + struct request * req; + int status; + + /* We could have q->queuedata = dev , but haven't yet. */ + if (active_req) + return; + + while ((req=elv_next_request(q))!=NULL){ + dev=req->rq_disk->private_data; + status=cf_transfer(req); + if (status==CF_TRANS_IN_PROGRESS){ + active_req=req; + return; + } + end_request(req,status); + } +} + +static int cf_transfer(const struct request *req) +{ + struct cf_mips_dev* dev=req->rq_disk->private_data; + + if (!blk_fs_request(req)){ + if (printk_ratelimit()) + printk(KERN_WARNING "cf-mips: skipping non-fs request 0x%x\n",req->cmd[0]); + return CF_TRANS_FAILED; + } + + return cf_do_transfer(dev,req->sector,req->current_nr_sectors,req->buffer,rq_data_dir(req)); +} + +void cf_async_trans_done(struct cf_mips_dev * dev,int result) +{ + struct request *req; + + spin_lock(&dev->lock); + req=active_req; + active_req=NULL; + end_request(req,result); + spin_unlock(&dev->lock); + + spin_lock(&dev->lock); + cf_request(dev->queue); + spin_unlock(&dev->lock); +} + diff --git a/target/linux/rb532/files-2.6.24/drivers/char/watchdog/rc32434_wdt.c b/target/linux/rb532/files-2.6.24/drivers/char/watchdog/rc32434_wdt.c new file mode 100644 index 000000000..2266329de --- /dev/null +++ b/target/linux/rb532/files-2.6.24/drivers/char/watchdog/rc32434_wdt.c @@ -0,0 +1,240 @@ +/* + * RC32434_WDT 0.01: IDT Interprise 79RC32434 watchdog driver + * Copyright (c) Ondrej Zajicek <santiago@crfreenet.org>, 2006 + * + * based on + * + * SoftDog 0.05: A Software Watchdog Device + * + * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + */ + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/fs.h> +#include <linux/mm.h> +#include <linux/miscdevice.h> +#include <linux/watchdog.h> +#include <linux/reboot.h> +#include <linux/smp_lock.h> +#include <linux/init.h> +#include <asm/bootinfo.h> +#include <asm/time.h> +#include <asm/uaccess.h> +#include <asm/rc32434/integ.h> + +#define DEFAULT_TIMEOUT 15 /* (secs) Default is 15 seconds */ +#define MAX_TIMEOUT 20 +/* + * (secs) Max is 20 seconds + * (max frequency of counter is ~200 MHz, counter is 32-bit unsigned int) + */ + +#define NAME "rc32434_wdt" +#define VERSION "0.1" + +static INTEG_t rc_wdt = (INTEG_t) INTEG_VirtualAddress; + +static int expect_close = 0; +static int access = 0; +static int timeout = 0; + +static int nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); +MODULE_LICENSE("GPL"); + + +static inline void start_wdt(void) +{ + rc_wdt -> wtcount = 0; + rc_wdt -> errcs |= ERRCS_wre_m; + rc_wdt -> wtc |= WTC_en_m; +} + +static inline void stop_wdt(void) +{ + rc_wdt -> wtc &= ~WTC_en_m; + rc_wdt -> errcs &= ~ERRCS_wre_m; +} + +static inline void set_wdt(int new_timeout) +{ + u32 cmp = new_timeout * mips_hpt_frequency; + u32 state; + + timeout = new_timeout; + /* + * store and disable WTC + */ + state = rc_wdt -> wtc & WTC_en_m; + rc_wdt -> wtc &= ~WTC_en_m; + + rc_wdt -> wtcount = 0; + rc_wdt -> wtcompare = cmp; + + /* + * restore WTC + */ + rc_wdt -> wtc |= state; +} + +static inline void update_wdt(void) +{ + rc_wdt -> wtcount = 0; +} + +/* + * Allow only one person to hold it open + */ + +static int wdt_open(struct inode *inode, struct file *file) +{ + if (access) + return -EBUSY; + if (nowayout) { + __module_get(THIS_MODULE); + } + /* + * Activate timer + */ + start_wdt(); + printk(KERN_INFO NAME ": enabling watchdog timer\n"); + access = 1; + return 0; +} + +static int wdt_release(struct inode *inode, struct file *file) +{ + /* + * Shut off the timer. + * Lock it in if it's a module and we set nowayout + */ + if (expect_close && nowayout == 0) { + stop_wdt (); + printk(KERN_INFO NAME ": disabling watchdog timer\n"); + module_put(THIS_MODULE); + } else { + printk (KERN_CRIT NAME ": device closed unexpectedly. WDT will not stop!\n"); + } + access = 0; + return 0; +} + +static ssize_t wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos) +{ + /* + * Refresh the timer. + */ + if (len) { + if (!nowayout) { + size_t i; + + /* In case it was set long ago */ + expect_close = 0; + + for (i = 0; i != len; i++) { + char c; + if (get_user(c, data + i)) + return -EFAULT; + if (c == 'V') + expect_close = 1; + } + } + update_wdt (); + return len; + } + return 0; +} + +static int wdt_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + int new_timeout; + static struct watchdog_info ident = { + .options = WDIOF_SETTIMEOUT | + WDIOF_KEEPALIVEPING | + WDIOF_MAGICCLOSE, + .firmware_version = 0, + .identity = "RC32434_WDT Watchdog", + }; + switch (cmd) { + default: + return -ENOTTY; + case WDIOC_GETSUPPORT: + if(copy_to_user((struct watchdog_info *)arg, &ident, sizeof(ident))) + return -EFAULT; + return 0; + case WDIOC_GETSTATUS: + case WDIOC_GETBOOTSTATUS: + return put_user(0,(int *)arg); + case WDIOC_KEEPALIVE: + update_wdt(); + return 0; + case WDIOC_SETTIMEOUT: + if (get_user(new_timeout, (int *)arg)) + return -EFAULT; + if (new_timeout < 1) + return -EINVAL; + if (new_timeout > MAX_TIMEOUT) + return -EINVAL; + set_wdt(new_timeout); + /* Fall */ + case WDIOC_GETTIMEOUT: + return put_user(timeout, (int *)arg); + } +} + +static struct file_operations wdt_fops = { + owner: THIS_MODULE, + llseek: no_llseek, + write: wdt_write, + ioctl: wdt_ioctl, + open: wdt_open, + release: wdt_release, +}; + +static struct miscdevice wdt_miscdev = { + minor: WATCHDOG_MINOR, + name: "watchdog", + fops: &wdt_fops, +}; + +static char banner[] __initdata = KERN_INFO NAME ": Watchdog Timer version " VERSION ", timer margin: %d sec\n"; + +static int __init watchdog_init(void) +{ + int ret; + + /* + * There should be check for RC32434 SoC + */ + if (mips_machgroup != MACH_GROUP_MIKROTIK) return -1; + + ret = misc_register(&wdt_miscdev); + + if (ret) + return ret; + + stop_wdt(); + set_wdt(DEFAULT_TIMEOUT); + + printk(banner, timeout); + + return 0; +} + +static void __exit watchdog_exit(void) +{ + misc_deregister(&wdt_miscdev); +} + +module_init(watchdog_init); +module_exit(watchdog_exit); diff --git a/target/linux/rb532/files-2.6.24/drivers/leds/leds-rb500.c b/target/linux/rb532/files-2.6.24/drivers/leds/leds-rb500.c new file mode 100644 index 000000000..3ab530a75 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/drivers/leds/leds-rb500.c @@ -0,0 +1,81 @@ +/* + * linux/drivers/leds/leds-rb500.c + * + * Copyright (C) 2006 + * Twente Institute for Wireless and Mobile Communications BV + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details (see file GPLv2). + * + * Author: Tjalling Hattink <tjalling.hattink@ti-wmc.nl> + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <asm/rc32434/rb.h> + +static void rb500led_amber_set(struct led_classdev *led_cdev, enum led_brightness value) +{ + if (value) + changeLatchU5(LO_ULED, 0); + else + changeLatchU5(0, LO_ULED); +} + +static struct led_classdev rb500_amber_led = { + .name = "rb500led:amber", + .default_trigger = "ide-disk", + .brightness_set = rb500led_amber_set, +}; + +static int rb500led_probe(struct platform_device *pdev) +{ + int ret; + + changeLatchU5(0, LO_ULED); + + ret = led_classdev_register(&pdev->dev, &rb500_amber_led); + + return ret; +} + +static int rb500led_remove(struct platform_device *pdev) +{ + led_classdev_unregister(&rb500_amber_led); + + return 0; +} + +static struct platform_driver rb500led_driver = { + .probe = rb500led_probe, + .remove = rb500led_remove, + .driver = { + .name = "rb500-led", + }, +}; + +static int __init rb500led_init(void) +{ + return platform_driver_register(&rb500led_driver); +} + +static void __exit rb500led_exit(void) +{ + platform_driver_unregister(&rb500led_driver); +} + +module_init(rb500led_init); +module_exit(rb500led_exit); + +MODULE_AUTHOR("tjalling.hattink@ti-wmc.nl"); +MODULE_DESCRIPTION("Mikrotik RB500 LED driver"); +MODULE_LICENSE("GPL"); diff --git a/target/linux/rb532/files-2.6.24/drivers/net/korina.c b/target/linux/rb532/files-2.6.24/drivers/net/korina.c new file mode 100644 index 000000000..9dee6d4b0 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/drivers/net/korina.c @@ -0,0 +1,1128 @@ +/************************************************************************** + * + * BRIEF MODULE DESCRIPTION + * Driver for the IDT RC32434 on-chip ethernet controller. + * + * Copyright 2004 IDT Inc. (rischelp@idt.com) + * Copyright 2006 Felix Fietkau <nbd@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + ************************************************************************** + * May 2004 rkt, neb + * + * Based on the driver developed by B. Maruthanayakam, H. Kou and others. + * + * Aug 2004 Sadik + * + * Added NAPI + * + ************************************************************************** + */ + +#include <linux/autoconf.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/moduleparam.h> +#include <linux/sched.h> +#include <linux/ctype.h> +#include <linux/types.h> +#include <linux/fcntl.h> +#include <linux/interrupt.h> +#include <linux/ptrace.h> +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/proc_fs.h> +#include <linux/in.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/errno.h> +#include <linux/platform_device.h> +#include <asm/bootinfo.h> +#include <asm/system.h> +#include <asm/bitops.h> +#include <asm/pgtable.h> +#include <asm/segment.h> +#include <asm/io.h> +#include <asm/dma.h> + +#include <asm/rc32434/rb.h> +#include "rc32434_eth.h" + +#define DRIVER_VERSION "(mar2904)" + +#define DRIVER_NAME "rc32434 Ethernet driver. " DRIVER_VERSION + +#define STATION_ADDRESS_HIGH(dev) (((dev)->dev_addr[0] << 8) | \ + ((dev)->dev_addr[1])) +#define STATION_ADDRESS_LOW(dev) (((dev)->dev_addr[2] << 24) | \ + ((dev)->dev_addr[3] << 16) | \ + ((dev)->dev_addr[4] << 8) | \ + ((dev)->dev_addr[5])) + +#define MII_CLOCK 1250000 /* no more than 2.5MHz */ +#define CONFIG_IDT_USE_NAPI 1 + + +static inline void rc32434_abort_tx(struct net_device *dev) +{ + struct rc32434_local *lp = (struct rc32434_local *)dev->priv; + rc32434_abort_dma(dev, lp->tx_dma_regs); + +} + +static inline void rc32434_abort_rx(struct net_device *dev) +{ + struct rc32434_local *lp = (struct rc32434_local *)dev->priv; + rc32434_abort_dma(dev, lp->rx_dma_regs); + +} + +static inline void rc32434_start_tx(struct rc32434_local *lp, volatile DMAD_t td) +{ + rc32434_start_dma(lp->tx_dma_regs, CPHYSADDR(td)); +} + +static inline void rc32434_start_rx(struct rc32434_local *lp, volatile DMAD_t rd) +{ + rc32434_start_dma(lp->rx_dma_regs, CPHYSADDR(rd)); +} + +static inline void rc32434_chain_tx(struct rc32434_local *lp, volatile DMAD_t td) +{ + rc32434_chain_dma(lp->tx_dma_regs, CPHYSADDR(td)); +} + +static inline void rc32434_chain_rx(struct rc32434_local *lp, volatile DMAD_t rd) +{ + rc32434_chain_dma(lp->rx_dma_regs, CPHYSADDR(rd)); +} + +#ifdef RC32434_PROC_DEBUG +static int rc32434_read_proc(char *buf, char **start, off_t fpos, + int length, int *eof, void *data) +{ + struct net_device *dev = (struct net_device *)data; + struct rc32434_local *lp = (struct rc32434_local *)dev->priv; + int len = 0; + + /* print out header */ + len += sprintf(buf + len, "\n\tKorina Ethernet Debug\n\n"); + len += sprintf (buf + len, + "DMA halt count = %10d, DMA run count = %10d\n", + lp->dma_halt_cnt, lp->dma_run_cnt); + + if (fpos >= len) { + *start = buf; + *eof = 1; + return 0; + } + *start = buf + fpos; + + if ((len -= fpos) > length) + return length; + *eof = 1; + + return len; + +} +#endif + + +/* + * Restart the RC32434 ethernet controller. + */ +static int rc32434_restart(struct net_device *dev) +{ + struct rc32434_local *lp = (struct rc32434_local *)dev->priv; + + /* + * Disable interrupts + */ + disable_irq(lp->rx_irq); + disable_irq(lp->tx_irq); +#ifdef RC32434_REVISION + disable_irq(lp->ovr_irq); +#endif + disable_irq(lp->und_irq); + + /* Mask F E bit in Tx DMA */ + __raw_writel(__raw_readl(&lp->tx_dma_regs->dmasm) | DMASM_f_m | DMASM_e_m, &lp->tx_dma_regs->dmasm); + /* Mask D H E bit in Rx DMA */ + __raw_writel(__raw_readl(&lp->rx_dma_regs->dmasm) | DMASM_d_m | DMASM_h_m | DMASM_e_m, &lp->rx_dma_regs->dmasm); + + rc32434_init(dev); + rc32434_multicast_list(dev); + + enable_irq(lp->und_irq); +#ifdef RC32434_REVISION + enable_irq(lp->ovr_irq); +#endif + enable_irq(lp->tx_irq); + enable_irq(lp->rx_irq); + + return 0; +} + +static int rc32434_probe(struct platform_device *pdev) +{ + struct korina_device *bif = (struct korina_device *) pdev->dev.platform_data; + struct rc32434_local *lp = NULL; + struct net_device *dev = NULL; + struct resource *r; + int i, retval,err; + + dev = alloc_etherdev(sizeof(struct rc32434_local)); + if(!dev) { + ERR("Korina_eth: alloc_etherdev failed\n"); + return -1; + } + + platform_set_drvdata(pdev, dev); + SET_NETDEV_DEV(dev, &pdev->dev); + bif->dev = dev; + + memcpy(dev->dev_addr, bif->mac, 6); + + /* Initialize the device structure. */ + if (dev->priv == NULL) { + lp = (struct rc32434_local *)kmalloc(sizeof(*lp), GFP_KERNEL); + memset(lp, 0, sizeof(struct rc32434_local)); + } + else { + lp = (struct rc32434_local *)dev->priv; + } + + lp->rx_irq = platform_get_irq_byname(pdev, "korina_rx"); + lp->tx_irq = platform_get_irq_byname(pdev, "korina_tx"); + lp->ovr_irq = platform_get_irq_byname(pdev, "korina_ovr"); + lp->und_irq = platform_get_irq_byname(pdev, "korina_und"); + + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "korina_regs"); + dev->base_addr = r->start; + lp->eth_regs = ioremap_nocache(r->start, r->end - r->start); + if (!lp->eth_regs) { + ERR("Can't remap eth registers\n"); + retval = -ENXIO; + goto probe_err_out; + } + + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "korina_dma_rx"); + lp->rx_dma_regs = ioremap_nocache(r->start, r->end - r->start); + if (!lp->rx_dma_regs) { + ERR("Can't remap Rx DMA registers\n"); + retval = -ENXIO; + goto probe_err_out; + } + + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "korina_dma_tx"); + lp->tx_dma_regs = ioremap_nocache(r->start, r->end - r->start); + if (!lp->tx_dma_regs) { + ERR("Can't remap Tx DMA registers\n"); + retval = -ENXIO; + goto probe_err_out; + } + +#ifdef RC32434_PROC_DEBUG + lp->ps = create_proc_read_entry (bif->name, 0, proc_net, + rc32434_read_proc, dev); +#endif + + lp->td_ring = (DMAD_t)kmalloc(TD_RING_SIZE + RD_RING_SIZE, GFP_KERNEL); + if (!lp->td_ring) { + ERR("Can't allocate descriptors\n"); + retval = -ENOMEM; + goto probe_err_out; + } + + dma_cache_inv((unsigned long)(lp->td_ring), TD_RING_SIZE + RD_RING_SIZE); + + /* now convert TD_RING pointer to KSEG1 */ + lp->td_ring = (DMAD_t )KSEG1ADDR(lp->td_ring); + lp->rd_ring = &lp->td_ring[RC32434_NUM_TDS]; + + + spin_lock_init(&lp->lock); + + /* just use the rx dma irq */ + dev->irq = lp->rx_irq; + + dev->priv = lp; + lp->dev = dev; + + dev->open = rc32434_open; + dev->stop = rc32434_close; + dev->hard_start_xmit = rc32434_send_packet; + dev->get_stats = rc32434_get_stats; + dev->set_multicast_list = &rc32434_multicast_list; + dev->tx_timeout = rc32434_tx_timeout; + dev->watchdog_timeo = RC32434_TX_TIMEOUT; + + netif_napi_add(dev, &lp->napi, rc32434_poll, 64); + lp->tx_tasklet = kmalloc(sizeof(struct tasklet_struct), GFP_KERNEL); + tasklet_init(lp->tx_tasklet, rc32434_tx_tasklet, (unsigned long)dev); + + if ((err = register_netdev(dev))) { + printk(KERN_ERR "rc32434 ethernet. Cannot register net device %d\n", err); + free_netdev(dev); + retval = -EINVAL; + goto probe_err_out; + } + + INFO("Rx IRQ %d, Tx IRQ %d, ", lp->rx_irq, lp->tx_irq); + for (i = 0; i < 6; i++) { + printk("%2.2x", dev->dev_addr[i]); + if (i<5) + printk(":"); + } + printk("\n"); + + return 0; + + probe_err_out: + rc32434_cleanup_module(); + ERR(" failed. Returns %d\n", retval); + return retval; + +} + +static int rc32434_remove(struct platform_device *pdev) +{ + struct korina_device *bif = (struct korina_device *) pdev->dev.platform_data; + + if (bif->dev != NULL) { + struct rc32434_local *lp = (struct rc32434_local *)bif->dev->priv; + if (lp != NULL) { + if (lp->eth_regs) + iounmap((void*)lp->eth_regs); + if (lp->rx_dma_regs) + iounmap((void*)lp->rx_dma_regs); + if (lp->tx_dma_regs) + iounmap((void*)lp->tx_dma_regs); + if (lp->td_ring) + kfree((void*)KSEG0ADDR(lp->td_ring)); + +#ifdef RC32434_PROC_DEBUG + if (lp->ps) { + remove_proc_entry(bif->name, proc_net); + } +#endif + kfree(lp); + } + + platform_set_drvdata(pdev, NULL); + unregister_netdev(bif->dev); + free_netdev(bif->dev); + kfree(bif->dev); + } + return 0; +} + + +static int rc32434_open(struct net_device *dev) +{ + struct rc32434_local *lp = (struct rc32434_local *)dev->priv; + + /* Initialize */ + if (rc32434_init(dev)) { + ERR("Error: cannot open the Ethernet device\n"); + return -EAGAIN; + } + + /* Install the interrupt handler that handles the Done Finished Ovr and Und Events */ + if (request_irq(lp->rx_irq, &rc32434_rx_dma_interrupt, + IRQF_SHARED | IRQF_DISABLED, + "Korina ethernet Rx", dev)) { + ERR(": unable to get Rx DMA IRQ %d\n", + lp->rx_irq); + return -EAGAIN; + } + if (request_irq(lp->tx_irq, &rc32434_tx_dma_interrupt, + IRQF_SHARED | IRQF_DISABLED, + "Korina ethernet Tx", dev)) { + ERR(": unable to get Tx DMA IRQ %d\n", + lp->tx_irq); + free_irq(lp->rx_irq, dev); + return -EAGAIN; + } + +#ifdef RC32434_REVISION + /* Install handler for overrun error. */ + if (request_irq(lp->ovr_irq, &rc32434_ovr_interrupt, + IRQF_SHARED | IRQF_DISABLED, + "Ethernet Overflow", dev)) { + ERR(": unable to get OVR IRQ %d\n", + lp->ovr_irq); + free_irq(lp->rx_irq, dev); + free_irq(lp->tx_irq, dev); + return -EAGAIN; + } +#endif + + /* Install handler for underflow error. */ + if (request_irq(lp->und_irq, &rc32434_und_interrupt, + IRQF_SHARED | IRQF_DISABLED, + "Ethernet Underflow", dev)) { + ERR(": unable to get UND IRQ %d\n", + lp->und_irq); + free_irq(lp->rx_irq, dev); + free_irq(lp->tx_irq, dev); +#ifdef RC32434_REVISION + free_irq(lp->ovr_irq, dev); +#endif + return -EAGAIN; + } + + + return 0; +} + + + + +static int rc32434_close(struct net_device *dev) +{ + struct rc32434_local *lp = (struct rc32434_local *)dev->priv; + u32 tmp; + + /* Disable interrupts */ + disable_irq(lp->rx_irq); + disable_irq(lp->tx_irq); +#ifdef RC32434_REVISION + disable_irq(lp->ovr_irq); +#endif + disable_irq(lp->und_irq); + + tmp = __raw_readl(&lp->tx_dma_regs->dmasm); + tmp = tmp | DMASM_f_m | DMASM_e_m; + __raw_writel(tmp, &lp->tx_dma_regs->dmasm); + + tmp = __raw_readl(&lp->rx_dma_regs->dmasm); + tmp = tmp | DMASM_d_m | DMASM_h_m | DMASM_e_m; + __raw_writel(tmp, &lp->rx_dma_regs->dmasm); + + free_irq(lp->rx_irq, dev); + free_irq(lp->tx_irq, dev); +#ifdef RC32434_REVISION + free_irq(lp->ovr_irq, dev); +#endif + free_irq(lp->und_irq, dev); + return 0; +} + + +/* transmit packet */ +static int rc32434_send_packet(struct sk_buff *skb, struct net_device *dev) +{ + struct rc32434_local *lp = (struct rc32434_local *)dev->priv; + unsigned long flags; + u32 length; + DMAD_t td; + + + spin_lock_irqsave(&lp->lock, flags); + + td = &lp->td_ring[lp->tx_chain_tail]; + + /* stop queue when full, drop pkts if queue already full */ + if(lp->tx_count >= (RC32434_NUM_TDS - 2)) { + lp->tx_full = 1; + + if(lp->tx_count == (RC32434_NUM_TDS - 2)) { + netif_stop_queue(dev); + } + else { + lp->stats.tx_dropped++; + dev_kfree_skb_any(skb); + spin_unlock_irqrestore(&lp->lock, flags); + return 1; + } + } + + lp->tx_count ++; + + lp->tx_skb[lp->tx_chain_tail] = skb; + + length = skb->len; + dma_cache_wback((u32)skb->data, skb->len); + + /* Setup the transmit descriptor. */ + dma_cache_inv((u32) td, sizeof(*td)); + td->ca = CPHYSADDR(skb->data); + + if(__raw_readl(&(lp->tx_dma_regs->dmandptr)) == 0) { + if( lp->tx_chain_status == empty ) { + td->control = DMA_COUNT(length) |DMAD_cof_m |DMAD_iof_m; /* Update tail */ + lp->tx_chain_tail = (lp->tx_chain_tail + 1) & RC32434_TDS_MASK; /* Move tail */ + __raw_writel(CPHYSADDR(&lp->td_ring[lp->tx_chain_head]), &(lp->tx_dma_regs->dmandptr)); /* Write to NDPTR */ + lp->tx_chain_head = lp->tx_chain_tail; /* Move head to tail */ + } + else { + td->control = DMA_COUNT(length) |DMAD_cof_m|DMAD_iof_m; /* Update tail */ + lp->td_ring[(lp->tx_chain_tail-1)& RC32434_TDS_MASK].control &= ~(DMAD_cof_m); /* Link to prev */ + lp->td_ring[(lp->tx_chain_tail-1)& RC32434_TDS_MASK].link = CPHYSADDR(td); /* Link to prev */ + lp->tx_chain_tail = (lp->tx_chain_tail + 1) & RC32434_TDS_MASK; /* Move tail */ + __raw_writel(CPHYSADDR(&lp->td_ring[lp->tx_chain_head]), &(lp->tx_dma_regs->dmandptr)); /* Write to NDPTR */ + lp->tx_chain_head = lp->tx_chain_tail; /* Move head to tail */ + lp->tx_chain_status = empty; + } + } + else { + if( lp->tx_chain_status == empty ) { + td->control = DMA_COUNT(length) |DMAD_cof_m |DMAD_iof_m; /* Update tail */ + lp->tx_chain_tail = (lp->tx_chain_tail + 1) & RC32434_TDS_MASK; /* Move tail */ + lp->tx_chain_status = filled; + } + else { + td->control = DMA_COUNT(length) |DMAD_cof_m |DMAD_iof_m; /* Update tail */ + lp->td_ring[(lp->tx_chain_tail-1)& RC32434_TDS_MASK].control &= ~(DMAD_cof_m); /* Link to prev */ + lp->td_ring[(lp->tx_chain_tail-1)& RC32434_TDS_MASK].link = CPHYSADDR(td); /* Link to prev */ + lp->tx_chain_tail = (lp->tx_chain_tail + 1) & RC32434_TDS_MASK; /* Move tail */ + } + } + dma_cache_wback((u32) td, sizeof(*td)); + + dev->trans_start = jiffies; + + spin_unlock_irqrestore(&lp->lock, flags); + + return 0; +} + + +/* Ethernet MII-PHY Handler */ +static void rc32434_mii_handler(unsigned long data) +{ + struct net_device *dev = (struct net_device *)data; + struct rc32434_local *lp = (struct rc32434_local *)dev->priv; + unsigned long flags; + unsigned long duplex_status; + int port_addr = (lp->rx_irq == 0x2c? 1:0) << 8; + + spin_lock_irqsave(&lp->lock, flags); + + /* Two ports are using the same MII, the difference is the PHY address */ + __raw_writel(0, &rc32434_eth0_regs->miimcfg); + __raw_writel(0, &rc32434_eth0_regs->miimcmd); + __raw_writel(port_addr |0x05, &rc32434_eth0_regs->miimaddr); + __raw_writel(MIIMCMD_scn_m, &rc32434_eth0_regs->miimcmd); + while(__raw_readl(&rc32434_eth0_regs->miimind) & MIIMIND_nv_m); + + ERR("irq:%x port_addr:%x RDD:%x\n", + lp->rx_irq, port_addr, __raw_readl(&rc32434_eth0_regs->miimrdd)); + duplex_status = (__raw_readl(&rc32434_eth0_regs->miimrdd) & 0x140)? ETHMAC2_fd_m: 0; + if(duplex_status != lp->duplex_mode) { + ERR("The MII-PHY is Auto-negotiated to %s-Duplex mode for Eth-%x\n", duplex_status? "Full":"Half", lp->rx_irq == 0x2c? 1:0); + lp->duplex_mode = duplex_status; + rc32434_restart(dev); + } + + lp->mii_phy_timer.expires = jiffies + 10 * HZ; + add_timer(&lp->mii_phy_timer); + + spin_unlock_irqrestore(&lp->lock, flags); + +} + +#ifdef RC32434_REVISION +/* Ethernet Rx Overflow interrupt */ +static irqreturn_t +rc32434_ovr_interrupt(int irq, void *dev_id) +{ + struct net_device *dev = (struct net_device *)dev_id; + struct rc32434_local *lp; + unsigned int ovr; + irqreturn_t retval = IRQ_NONE; + + ASSERT(dev != NULL); + + lp = (struct rc32434_local *)dev->priv; + spin_lock(&lp->lock); + ovr = __raw_readl(&lp->eth_regs->ethintfc); + + if(ovr & ETHINTFC_ovr_m) { + netif_stop_queue(dev); + + /* clear OVR bit */ + __raw_writel((ovr & ~ETHINTFC_ovr_m), &lp->eth_regs->ethintfc); + + /* Restart interface */ + rc32434_restart(dev); + retval = IRQ_HANDLED; + } + spin_unlock(&lp->lock); + + return retval; +} + +#endif + + +/* Ethernet Tx Underflow interrupt */ +static irqreturn_t +rc32434_und_interrupt(int irq, void *dev_id) +{ + struct net_device *dev = (struct net_device *)dev_id; + struct rc32434_local *lp; + unsigned int und; + irqreturn_t retval = IRQ_NONE; + + ASSERT(dev != NULL); + + lp = (struct rc32434_local *)dev->priv; + + spin_lock(&lp->lock); + + und = __raw_readl(&lp->eth_regs->ethintfc); + + if(und & ETHINTFC_und_m) { + netif_stop_queue(dev); + + __raw_writel((und & ~ETHINTFC_und_m), &lp->eth_regs->ethintfc); + + /* Restart interface */ + rc32434_restart(dev); + retval = IRQ_HANDLED; + } + + spin_unlock(&lp->lock); + + return retval; +} + + +/* Ethernet Rx DMA interrupt */ +static irqreturn_t +rc32434_rx_dma_interrupt(int irq, void *dev_id) +{ + struct net_device *dev = (struct net_device *)dev_id; + struct rc32434_local* lp; + volatile u32 dmas,dmasm; + irqreturn_t retval; + + ASSERT(dev != NULL); + + lp = (struct rc32434_local *)dev->priv; + + spin_lock(&lp->lock); + dmas = __raw_readl(&lp->rx_dma_regs->dmas); + if(dmas & (DMAS_d_m|DMAS_h_m|DMAS_e_m)) { + /* Mask D H E bit in Rx DMA */ + dmasm = __raw_readl(&lp->rx_dma_regs->dmasm); + __raw_writel(dmasm | (DMASM_d_m | DMASM_h_m | DMASM_e_m), &lp->rx_dma_regs->dmasm); + + netif_rx_schedule_prep(dev, &lp->napi); + + if (dmas & DMAS_e_m) + ERR(": DMA error\n"); + + retval = IRQ_HANDLED; + } + else + retval = IRQ_NONE; + + spin_unlock(&lp->lock); + return retval; +} + +static int rc32434_poll(struct napi_struct *napi, int budget) +{ + struct rc32434_local* lp = container_of(napi, struct rc32434_local, napi); + struct net_device *dev = lp->dev; + volatile DMAD_t rd = &lp->rd_ring[lp->rx_next_done]; + struct sk_buff *skb, *skb_new; + u8* pkt_buf; + u32 devcs, count, pkt_len, pktuncrc_len; + volatile u32 dmas; + u32 received = 0; + int rx_work_limit = min(budget, 64); + + dma_cache_inv((u32)rd, sizeof(*rd)); + while ( (count = RC32434_RBSIZE - (u32)DMA_COUNT(rd->control)) != 0) { + if(--rx_work_limit <0) + { + break; + } + /* init the var. used for the later operations within the while loop */ + skb_new = NULL; + devcs = rd->devcs; + pkt_len = RCVPKT_LENGTH(devcs); + skb = lp->rx_skb[lp->rx_next_done]; + + if (count < 64) { + lp->stats.rx_errors++; + lp->stats.rx_dropped++; + } + else if ((devcs & ( ETHRX_ld_m)) != ETHRX_ld_m) { + /* check that this is a whole packet */ + /* WARNING: DMA_FD bit incorrectly set in Rc32434 (errata ref #077) */ + lp->stats.rx_errors++; + lp->stats.rx_dropped++; + } + else if ( (devcs & ETHRX_rok_m) ) { + + { + /* must be the (first and) last descriptor then */ + pkt_buf = (u8*)lp->rx_skb[lp->rx_next_done]->data; + + pktuncrc_len = pkt_len - 4; + /* invalidate the cache */ + dma_cache_inv((unsigned long)pkt_buf, pktuncrc_len); + + /* Malloc up new buffer. */ + skb_new = dev_alloc_skb(RC32434_RBSIZE + 2); + + if (skb_new != NULL){ + /* Make room */ + skb_put(skb, pktuncrc_len); + + skb->protocol = eth_type_trans(skb, dev); + + /* pass the packet to upper layers */ + netif_receive_skb(skb); + + dev->last_rx = jiffies; + lp->stats.rx_packets++; + lp->stats.rx_bytes += pktuncrc_len; + + if (IS_RCV_MP(devcs)) + lp->stats.multicast++; + + /* 16 bit align */ + skb_reserve(skb_new, 2); + + skb_new->dev = dev; + lp->rx_skb[lp->rx_next_done] = skb_new; + } + else { + ERR("no memory, dropping rx packet.\n"); + lp->stats.rx_errors++; + lp->stats.rx_dropped++; + } + } + + } + else { + /* This should only happen if we enable accepting broken packets */ + lp->stats.rx_errors++; + lp->stats.rx_dropped++; + + /* add statistics counters */ + if (IS_RCV_CRC_ERR(devcs)) { + DBG(2, "RX CRC error\n"); + lp->stats.rx_crc_errors++; + } + else if (IS_RCV_LOR_ERR(devcs)) { + DBG(2, "RX LOR error\n"); + lp->stats.rx_length_errors++; + } + else if (IS_RCV_LE_ERR(devcs)) { + DBG(2, "RX LE error\n"); + lp->stats.rx_length_errors++; + } + else if (IS_RCV_OVR_ERR(devcs)) { + lp->stats.rx_over_errors++; + } + else if (IS_RCV_CV_ERR(devcs)) { + /* code violation */ + DBG(2, "RX CV error\n"); + lp->stats.rx_frame_errors++; + } + else if (IS_RCV_CES_ERR(devcs)) { + DBG(2, "RX Preamble error\n"); + } + } + + rd->devcs = 0; + + /* restore descriptor's curr_addr */ + if(skb_new) + rd->ca = CPHYSADDR(skb_new->data); + else + rd->ca = CPHYSADDR(skb->data); + + rd->control = DMA_COUNT(RC32434_RBSIZE) |DMAD_cod_m |DMAD_iod_m; + lp->rd_ring[(lp->rx_next_done-1)& RC32434_RDS_MASK].control &= ~(DMAD_cod_m); + + lp->rx_next_done = (lp->rx_next_done + 1) & RC32434_RDS_MASK; + dma_cache_wback((u32)rd, sizeof(*rd)); + rd = &lp->rd_ring[lp->rx_next_done]; + __raw_writel( ~DMAS_d_m, &lp->rx_dma_regs->dmas); + } + budget =- received; + if(rx_work_limit < 0) + goto not_done; + + dmas = __raw_readl(&lp->rx_dma_regs->dmas); + + if(dmas & DMAS_h_m) { + __raw_writel( ~(DMAS_h_m | DMAS_e_m), &lp->rx_dma_regs->dmas); +#ifdef RC32434_PROC_DEBUG + lp->dma_halt_cnt++; +#endif + rd->devcs = 0; + skb = lp->rx_skb[lp->rx_next_done]; + rd->ca = CPHYSADDR(skb->data); + dma_cache_wback((u32)rd, sizeof(*rd)); + rc32434_chain_rx(lp,rd); + } + + netif_rx_complete(dev, &lp->napi); + /* Enable D H E bit in Rx DMA */ + __raw_writel(__raw_readl(&lp->rx_dma_regs->dmasm) & ~(DMASM_d_m | DMASM_h_m |DMASM_e_m), &lp->rx_dma_regs->dmasm); + return 0; + not_done: + return 1; +} + + + +/* Ethernet Tx DMA interrupt */ +static irqreturn_t +rc32434_tx_dma_interrupt(int irq, void *dev_id) +{ + struct net_device *dev = (struct net_device *)dev_id; + struct rc32434_local *lp; + volatile u32 dmas,dmasm; + irqreturn_t retval; + + ASSERT(dev != NULL); + + lp = (struct rc32434_local *)dev->priv; + + spin_lock(&lp->lock); + + dmas = __raw_readl(&lp->tx_dma_regs->dmas); + + if (dmas & (DMAS_f_m | DMAS_e_m)) { + dmasm = __raw_readl(&lp->tx_dma_regs->dmasm); + /* Mask F E bit in Tx DMA */ + __raw_writel(dmasm | (DMASM_f_m | DMASM_e_m), &lp->tx_dma_regs->dmasm); + + tasklet_hi_schedule(lp->tx_tasklet); + + if(lp->tx_chain_status == filled && (__raw_readl(&(lp->tx_dma_regs->dmandptr)) == 0)) { + __raw_writel(CPHYSADDR(&lp->td_ring[lp->tx_chain_head]), &(lp->tx_dma_regs->dmandptr)); + lp->tx_chain_status = empty; + lp->tx_chain_head = lp->tx_chain_tail; + dev->trans_start = jiffies; + } + + if (dmas & DMAS_e_m) + ERR(": DMA error\n"); + + retval = IRQ_HANDLED; + } + else + retval = IRQ_NONE; + + spin_unlock(&lp->lock); + + return retval; +} + + +static void rc32434_tx_tasklet(unsigned long tx_data_dev) +{ + struct net_device *dev = (struct net_device *)tx_data_dev; + struct rc32434_local* lp = (struct rc32434_local *)dev->priv; + volatile DMAD_t td = &lp->td_ring[lp->tx_next_done]; + u32 devcs; + unsigned long flags; + volatile u32 dmas; + + spin_lock_irqsave(&lp->lock, flags); + + /* process all desc that are done */ + while(IS_DMA_FINISHED(td->control)) { + if(lp->tx_full == 1) { + netif_wake_queue(dev); + lp->tx_full = 0; + } + + devcs = lp->td_ring[lp->tx_next_done].devcs; + if ((devcs & (ETHTX_fd_m | ETHTX_ld_m)) != (ETHTX_fd_m | ETHTX_ld_m)) { + lp->stats.tx_errors++; + lp->stats.tx_dropped++; + + /* should never happen */ + DBG(1, __FUNCTION__ ": split tx ignored\n"); + } + else if (IS_TX_TOK(devcs)) { + lp->stats.tx_packets++; + lp->stats.tx_bytes+=lp->tx_skb[lp->tx_next_done]->len; + } + else { + lp->stats.tx_errors++; + lp->stats.tx_dropped++; + + /* underflow */ + if (IS_TX_UND_ERR(devcs)) + lp->stats.tx_fifo_errors++; + + /* oversized frame */ + if (IS_TX_OF_ERR(devcs)) + lp->stats.tx_aborted_errors++; + + /* excessive deferrals */ + if (IS_TX_ED_ERR(devcs)) + lp->stats.tx_carrier_errors++; + + /* collisions: medium busy */ + if (IS_TX_EC_ERR(devcs)) + lp->stats.collisions++; + + /* late collision */ + if (IS_TX_LC_ERR(devcs)) + lp->stats.tx_window_errors++; + + } + + /* We must always free the original skb */ + if (lp->tx_skb[lp->tx_next_done] != NULL) { + dev_kfree_skb_any(lp->tx_skb[lp->tx_next_done]); + lp->tx_skb[lp->tx_next_done] = NULL; + } + + lp->td_ring[lp->tx_next_done].control = DMAD_iof_m; + lp->td_ring[lp->tx_next_done].devcs = ETHTX_fd_m | ETHTX_ld_m; + lp->td_ring[lp->tx_next_done].link = 0; + lp->td_ring[lp->tx_next_done].ca = 0; + lp->tx_count --; + + /* go on to next transmission */ + lp->tx_next_done = (lp->tx_next_done + 1) & RC32434_TDS_MASK; + td = &lp->td_ring[lp->tx_next_done]; + + } + + dmas = __raw_readl(&lp->tx_dma_regs->dmas); + __raw_writel( ~dmas, &lp->tx_dma_regs->dmas); + + /* Enable F E bit in Tx DMA */ + __raw_writel(__raw_readl(&lp->tx_dma_regs->dmasm) & ~(DMASM_f_m | DMASM_e_m), &lp->tx_dma_regs->dmasm); + spin_unlock_irqrestore(&lp->lock, flags); + +} + + +static struct net_device_stats * rc32434_get_stats(struct net_device *dev) +{ + struct rc32434_local *lp = (struct rc32434_local *)dev->priv; + return &lp->stats; +} + + +/* + * Set or clear the multicast filter for this adaptor. + */ +static void rc32434_multicast_list(struct net_device *dev) +{ + /* listen to broadcasts always and to treat */ + /* IFF bits independantly */ + struct rc32434_local *lp = (struct rc32434_local *)dev->priv; + unsigned long flags; + u32 recognise = ETHARC_ab_m; /* always accept broadcasts */ + + if (dev->flags & IFF_PROMISC) /* set promiscuous mode */ + recognise |= ETHARC_pro_m; + + if ((dev->flags & IFF_ALLMULTI) || (dev->mc_count > 15)) + recognise |= ETHARC_am_m; /* all multicast & bcast */ + else if (dev->mc_count > 0) { + DBG(2, __FUNCTION__ ": mc_count %d\n", dev->mc_count); + recognise |= ETHARC_am_m; /* for the time being */ + } + + spin_lock_irqsave(&lp->lock, flags); + __raw_writel(recognise, &lp->eth_regs->etharc); + spin_unlock_irqrestore(&lp->lock, flags); +} + + +static void rc32434_tx_timeout(struct net_device *dev) +{ + struct rc32434_local *lp = (struct rc32434_local *)dev->priv; + unsigned long flags; + + spin_lock_irqsave(&lp->lock, flags); + rc32434_restart(dev); + spin_unlock_irqrestore(&lp->lock, flags); + +} + + +/* + * Initialize the RC32434 ethernet controller. + */ +static int rc32434_init(struct net_device *dev) +{ + struct rc32434_local *lp = (struct rc32434_local *)dev->priv; + int i, j; + + /* Disable DMA */ + rc32434_abort_tx(dev); + rc32434_abort_rx(dev); + + /* reset ethernet logic */ + __raw_writel(0, &lp->eth_regs->ethintfc); + while((__raw_readl(&lp->eth_regs->ethintfc) & ETHINTFC_rip_m)) + dev->trans_start = jiffies; + + /* Enable Ethernet Interface */ + __raw_writel(ETHINTFC_en_m, &lp->eth_regs->ethintfc); + +#ifndef CONFIG_IDT_USE_NAPI + tasklet_disable(lp->rx_tasklet); +#endif + tasklet_disable(lp->tx_tasklet); + + /* Initialize the transmit Descriptors */ + for (i = 0; i < RC32434_NUM_TDS; i++) { + lp->td_ring[i].control = DMAD_iof_m; + lp->td_ring[i].devcs = ETHTX_fd_m | ETHTX_ld_m; + lp->td_ring[i].ca = 0; + lp->td_ring[i].link = 0; + if (lp->tx_skb[i] != NULL) { + dev_kfree_skb_any(lp->tx_skb[i]); + lp->tx_skb[i] = NULL; + } + } + lp->tx_next_done = lp->tx_chain_head = lp->tx_chain_tail = lp->tx_full = lp->tx_count = 0; + lp-> tx_chain_status = empty; + + /* + * Initialize the receive descriptors so that they + * become a circular linked list, ie. let the last + * descriptor point to the first again. + */ + for (i=0; i<RC32434_NUM_RDS; i++) { + struct sk_buff *skb = lp->rx_skb[i]; + + if (lp->rx_skb[i] == NULL) { + skb = dev_alloc_skb(RC32434_RBSIZE + 2); + if (skb == NULL) { + ERR("No memory in the system\n"); + for (j = 0; j < RC32434_NUM_RDS; j ++) + if (lp->rx_skb[j] != NULL) + dev_kfree_skb_any(lp->rx_skb[j]); + + return 1; + } + else { + skb->dev = dev; + skb_reserve(skb, 2); + lp->rx_skb[i] = skb; + lp->rd_ring[i].ca = CPHYSADDR(skb->data); + + } + } + lp->rd_ring[i].control = DMAD_iod_m | DMA_COUNT(RC32434_RBSIZE); + lp->rd_ring[i].devcs = 0; + lp->rd_ring[i].ca = CPHYSADDR(skb->data); + lp->rd_ring[i].link = CPHYSADDR(&lp->rd_ring[i+1]); + + } + /* loop back */ + lp->rd_ring[RC32434_NUM_RDS-1].link = CPHYSADDR(&lp->rd_ring[0]); + lp->rx_next_done = 0; + + lp->rd_ring[RC32434_NUM_RDS-1].control |= DMAD_cod_m; + lp->rx_chain_head = 0; + lp->rx_chain_tail = 0; + lp->rx_chain_status = empty; + + __raw_writel(0, &lp->rx_dma_regs->dmas); + /* Start Rx DMA */ + rc32434_start_rx(lp, &lp->rd_ring[0]); + + /* Enable F E bit in Tx DMA */ + __raw_writel(__raw_readl(&lp->tx_dma_regs->dmasm) & ~(DMASM_f_m | DMASM_e_m), &lp->tx_dma_regs->dmasm); + /* Enable D H E bit in Rx DMA */ + __raw_writel(__raw_readl(&lp->rx_dma_regs->dmasm) & ~(DMASM_d_m | DMASM_h_m | DMASM_e_m), &lp->rx_dma_regs->dmasm); + + /* Accept only packets destined for this Ethernet device address */ + __raw_writel(ETHARC_ab_m, &lp->eth_regs->etharc); + + /* Set all Ether station address registers to their initial values */ + __raw_writel(STATION_ADDRESS_LOW(dev), &lp->eth_regs->ethsal0); + __raw_writel(STATION_ADDRESS_HIGH(dev), &lp->eth_regs->ethsah0); + + __raw_writel(STATION_ADDRESS_LOW(dev), &lp->eth_regs->ethsal1); + __raw_writel(STATION_ADDRESS_HIGH(dev), &lp->eth_regs->ethsah1); + + __raw_writel(STATION_ADDRESS_LOW(dev), &lp->eth_regs->ethsal2); + __raw_writel(STATION_ADDRESS_HIGH(dev), &lp->eth_regs->ethsah2); + + __raw_writel(STATION_ADDRESS_LOW(dev), &lp->eth_regs->ethsal3); + __raw_writel(STATION_ADDRESS_HIGH(dev), &lp->eth_regs->ethsah3); + + + /* Frame Length Checking, Pad Enable, CRC Enable, Full Duplex set */ + __raw_writel(ETHMAC2_pe_m | ETHMAC2_cen_m | ETHMAC2_fd_m, &lp->eth_regs->ethmac2); + //ETHMAC2_flc_m ETHMAC2_fd_m lp->duplex_mode + + /* Back to back inter-packet-gap */ + __raw_writel(0x15, &lp->eth_regs->ethipgt); + /* Non - Back to back inter-packet-gap */ + __raw_writel(0x12, &lp->eth_regs->ethipgr); + + /* Management Clock Prescaler Divisor */ + /* Clock independent setting */ + __raw_writel(((idt_cpu_freq)/MII_CLOCK+1) & ~1, + &lp->eth_regs->ethmcp); + + /* don't transmit until fifo contains 48b */ + __raw_writel(48, &lp->eth_regs->ethfifott); + + __raw_writel(ETHMAC1_re_m, &lp->eth_regs->ethmac1); + + napi_enable(&lp->napi); + tasklet_enable(lp->tx_tasklet); + + netif_start_queue(dev); + + return 0; +} + +static struct platform_driver korina_driver = { + .driver.name = "korina", + .probe = rc32434_probe, + .remove = rc32434_remove, +}; + +static int __init rc32434_init_module(void) +{ + return platform_driver_register(&korina_driver); +} + +static void rc32434_cleanup_module(void) +{ + return platform_driver_unregister(&korina_driver); +} + +module_init(rc32434_init_module); +module_exit(rc32434_cleanup_module); diff --git a/target/linux/rb532/files-2.6.24/drivers/net/rc32434_eth.h b/target/linux/rb532/files-2.6.24/drivers/net/rc32434_eth.h new file mode 100644 index 000000000..5ac6dc354 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/drivers/net/rc32434_eth.h @@ -0,0 +1,173 @@ +/************************************************************************** + * + * BRIEF MODULE DESCRIPTION + * Definitions for IDT RC32434 on-chip ethernet controller. + * + * Copyright 2004 IDT Inc. (rischelp@idt.com) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + ************************************************************************** + * May 2004 rkt, neb + * + * Initial Release + * + * Aug 2004 + * + * Added NAPI + * + ************************************************************************** + */ + + +#include <asm/rc32434/rc32434.h> +#include <asm/rc32434/dma_v.h> +#include <asm/rc32434/eth_v.h> + +#define CONFIG_IDT_USE_NAPI 1 +#define RC32434_DEBUG 2 +//#define RC32434_PROC_DEBUG +#undef RC32434_DEBUG + +#ifdef RC32434_DEBUG + +/* use 0 for production, 1 for verification, >2 for debug */ +static int rc32434_debug = RC32434_DEBUG; +#define ASSERT(expr) \ + if(!(expr)) { \ + printk( "Assertion failed! %s,%s,%s,line=%d\n", \ + #expr,__FILE__,__FUNCTION__,__LINE__); } +#define DBG(lvl, format, arg...) if (rc32434_debug > lvl) printk(KERN_INFO "%s: " format, dev->name , ## arg) +#else +#define ASSERT(expr) do {} while (0) +#define DBG(lvl, format, arg...) do {} while (0) +#endif + +#define INFO(format, arg...) printk(KERN_INFO "%s: " format, dev->name , ## arg) +#define ERR(format, arg...) printk(KERN_ERR "%s: " format, dev->name , ## arg) +#define WARN(format, arg...) printk(KERN_WARNING "%s: " format, dev->name , ## arg) + +/* the following must be powers of two */ +#ifdef CONFIG_IDT_USE_NAPI +#define RC32434_NUM_RDS 64 /* number of receive descriptors */ +#define RC32434_NUM_TDS 64 /* number of transmit descriptors */ +#else +#define RC32434_NUM_RDS 128 /* number of receive descriptors */ +#define RC32434_NUM_TDS 128 /* number of transmit descriptors */ +#endif + +#define RC32434_RBSIZE 1536 /* size of one resource buffer = Ether MTU */ +#define RC32434_RDS_MASK (RC32434_NUM_RDS-1) +#define RC32434_TDS_MASK (RC32434_NUM_TDS-1) +#define RD_RING_SIZE (RC32434_NUM_RDS * sizeof(struct DMAD_s)) +#define TD_RING_SIZE (RC32434_NUM_TDS * sizeof(struct DMAD_s)) + +#define RC32434_TX_TIMEOUT HZ * 100 + +#define rc32434_eth0_regs ((ETH_t)(ETH0_VirtualAddress)) +#define rc32434_eth1_regs ((ETH_t)(ETH1_VirtualAddress)) + +enum status { filled, empty}; +#define IS_DMA_FINISHED(X) (((X) & (DMAD_f_m)) != 0) +#define IS_DMA_DONE(X) (((X) & (DMAD_d_m)) != 0) + + +/* Information that need to be kept for each board. */ +struct rc32434_local { + ETH_t eth_regs; + DMA_Chan_t rx_dma_regs; + DMA_Chan_t tx_dma_regs; + volatile DMAD_t td_ring; /* transmit descriptor ring */ + volatile DMAD_t rd_ring; /* receive descriptor ring */ + + struct sk_buff* tx_skb[RC32434_NUM_TDS]; /* skbuffs for pkt to trans */ + struct sk_buff* rx_skb[RC32434_NUM_RDS]; /* skbuffs for pkt to trans */ + + struct tasklet_struct * tx_tasklet; + + int rx_next_done; + int rx_chain_head; + int rx_chain_tail; + enum status rx_chain_status; + + int tx_next_done; + int tx_chain_head; + int tx_chain_tail; + enum status tx_chain_status; + int tx_count; + int tx_full; + + struct timer_list mii_phy_timer; + unsigned long duplex_mode; + + int rx_irq; + int tx_irq; + int ovr_irq; + int und_irq; + + struct net_device_stats stats; + spinlock_t lock; + + /* debug /proc entry */ + struct proc_dir_entry *ps; + int dma_halt_cnt; int dma_run_cnt; + struct napi_struct napi; + struct net_device *dev; +}; + +extern unsigned int idt_cpu_freq; + +/* Index to functions, as function prototypes. */ +static int rc32434_open(struct net_device *dev); +static int rc32434_send_packet(struct sk_buff *skb, struct net_device *dev); +static void rc32434_mii_handler(unsigned long data); +static irqreturn_t rc32434_und_interrupt(int irq, void *dev_id); +static irqreturn_t rc32434_rx_dma_interrupt(int irq, void *dev_id); +static irqreturn_t rc32434_tx_dma_interrupt(int irq, void *dev_id); +#ifdef RC32434_REVISION +static irqreturn_t rc32434_ovr_interrupt(int irq, void *dev_id); +#endif +static int rc32434_close(struct net_device *dev); +static struct net_device_stats *rc32434_get_stats(struct net_device *dev); +static void rc32434_multicast_list(struct net_device *dev); +static int rc32434_init(struct net_device *dev); +static void rc32434_tx_timeout(struct net_device *dev); + +static void rc32434_tx_tasklet(unsigned long tx_data_dev); +static int rc32434_poll(struct napi_struct *napi, int budget); +static void rc32434_cleanup_module(void); + + +static inline void rc32434_abort_dma(struct net_device *dev, DMA_Chan_t ch) +{ + if (__raw_readl(&ch->dmac) & DMAC_run_m) { + __raw_writel(0x10, &ch->dmac); + + while (!(__raw_readl(&ch->dmas) & DMAS_h_m)) + dev->trans_start = jiffies; + + __raw_writel(0, &ch->dmas); + } + + __raw_writel(0, &ch->dmadptr); + __raw_writel(0, &ch->dmandptr); +} diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/ddr.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/ddr.h new file mode 100644 index 000000000..03923a658 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/ddr.h @@ -0,0 +1,173 @@ +#ifndef __IDT_DDR_H__ +#define __IDT_DDR_H__ + +/******************************************************************************* + * + * Copyright 2002 Integrated Device Technology, Inc. + * All rights reserved. + * + * DDR register definition. + * + * File : $Id: ddr.h,v 1.2 2002/06/06 18:34:03 astichte Exp $ + * + * Author : ryan.holmQVist@idt.com + * Date : 20011005 + * Update : + * $Log: ddr.h,v $ + * Revision 1.2 2002/06/06 18:34:03 astichte + * Added XXX_PhysicalAddress and XXX_VirtualAddress + * + * Revision 1.1 2002/05/29 17:33:21 sysarch + * jba File moved from vcode/include/idt/acacia + * + * + ******************************************************************************/ + +enum +{ + DDR0_PhysicalAddress = 0x18018000, + DDR_PhysicalAddress = DDR0_PhysicalAddress, // Default + + DDR0_VirtualAddress = 0xb8018000, + DDR_VirtualAddress = DDR0_VirtualAddress, // Default +} ; + +typedef struct DDR_s +{ + u32 ddrbase ; + u32 ddrmask ; + u32 res1; + u32 res2; + u32 ddrc ; + u32 ddrabase ; + u32 ddramask ; + u32 ddramap ; + u32 ddrcust; + u32 ddrrdc; + u32 ddrspare; +} volatile *DDR_t ; + +enum +{ + DDR0BASE_baseaddr_b = 16, + DDR0BASE_baseaddr_m = 0xffff0000, + + DDR0MASK_mask_b = 16, + DDR0MASK_mask_m = 0xffff0000, + + DDR1BASE_baseaddr_b = 16, + DDR1BASE_baseaddr_m = 0xffff0000, + + DDR1MASK_mask_b = 16, + DDR1MASK_mask_m = 0xffff0000, + + DDRC_ata_b = 5, + DDRC_ata_m = 0x000000E0, + DDRC_dbw_b = 8, + DDRC_dbw_m = 0x00000100, + DDRC_wr_b = 9, + DDRC_wr_m = 0x00000600, + DDRC_ps_b = 11, + DDRC_ps_m = 0x00001800, + DDRC_dtype_b = 13, + DDRC_dtype_m = 0x0000e000, + DDRC_rfc_b = 16, + DDRC_rfc_m = 0x000f0000, + DDRC_rp_b = 20, + DDRC_rp_m = 0x00300000, + DDRC_ap_b = 22, + DDRC_ap_m = 0x00400000, + DDRC_rcd_b = 23, + DDRC_rcd_m = 0x01800000, + DDRC_cl_b = 25, + DDRC_cl_m = 0x06000000, + DDRC_dbm_b = 27, + DDRC_dbm_m = 0x08000000, + DDRC_sds_b = 28, + DDRC_sds_m = 0x10000000, + DDRC_atp_b = 29, + DDRC_atp_m = 0x60000000, + DDRC_re_b = 31, + DDRC_re_m = 0x80000000, + + DDRRDC_ces_b = 0, + DDRRDC_ces_m = 0x00000001, + DDRRDC_ace_b = 1, + DDRRDC_ace_m = 0x00000002, + + DDRABASE_baseaddr_b = 16, + DDRABASE_baseaddr_m = 0xffff0000, + + DDRAMASK_mask_b = 16, + DDRAMASK_mask_m = 0xffff0000, + + DDRAMAP_map_b = 16, + DDRAMAP_map_m = 0xffff0000, + + DDRCUST_cs_b = 0, + DDRCUST_cs_m = 0x00000003, + DDRCUST_we_b = 2, + DDRCUST_we_m = 0x00000004, + DDRCUST_ras_b = 3, + DDRCUST_ras_m = 0x00000008, + DDRCUST_cas_b = 4, + DDRCUST_cas_m = 0x00000010, + DDRCUST_cke_b = 5, + DDRCUST_cke_m = 0x00000020, + DDRCUST_ba_b = 6, + DDRCUST_ba_m = 0x000000c0, + + RCOUNT_rcount_b = 0, + RCOUNT_rcount_m = 0x0000ffff, + + RCOMPARE_rcompare_b = 0, + RCOMPARE_rcompare_m = 0x0000ffff, + + RTC_ce_b = 0, + RTC_ce_m = 0x00000001, + RTC_to_b = 1, + RTC_to_m = 0x00000002, + RTC_rqe_b = 2, + RTC_rqe_m = 0x00000004, + + DDRDQSC_dm_b = 0, + DDRDQSC_dm_m = 0x00000003, + DDRDQSC_dqsbs_b = 2, + DDRDQSC_dqsbs_m = 0x000000fc, + DDRDQSC_db_b = 8, + DDRDQSC_db_m = 0x00000100, + DDRDQSC_dbsp_b = 9, + DDRDQSC_dbsp_m = 0x01fffe00, + DDRDQSC_bdp_b = 25, + DDRDQSC_bdp_m = 0x7e000000, + + DDRDLLC_eao_b = 0, + DDRDLLC_eao_m = 0x00000001, + DDRDLLC_eo_b = 1, + DDRDLLC_eo_m = 0x0000003e, + DDRDLLC_fs_b = 6, + DDRDLLC_fs_m = 0x000000c0, + DDRDLLC_as_b = 8, + DDRDLLC_as_m = 0x00000700, + DDRDLLC_sp_b = 11, + DDRDLLC_sp_m = 0x001ff800, + + DDRDLLFC_men_b = 0, + DDRDLLFC_men_m = 0x00000001, + DDRDLLFC_aen_b = 1, + DDRDLLFC_aen_m = 0x00000002, + DDRDLLFC_ff_b = 2, + DDRDLLFC_ff_m = 0x00000004, + + DDRDLLTA_addr_b = 2, + DDRDLLTA_addr_m = 0xfffffffc, + + DDRDLLED_dbe_b = 0, + DDRDLLED_dbe_m = 0x00000001, + DDRDLLED_dte_b = 1, + DDRDLLED_dte_m = 0x00000002, + + +} ; + +#endif // __IDT_DDR_H__ diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/dma.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/dma.h new file mode 100644 index 000000000..2124f7e51 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/dma.h @@ -0,0 +1,168 @@ +#ifndef __IDT_DMA_H__ +#define __IDT_DMA_H__ + +/******************************************************************************* + * + * Copyright 2002 Integrated Device Technology, Inc. + * All rights reserved. + * + * DMA register definition. + * + * File : $Id: dma.h,v 1.3 2002/06/06 18:34:03 astichte Exp $ + * + * Author : ryan.holmQVist@idt.com + * Date : 20011005 + * Update : + * $Log: dma.h,v $ + * Revision 1.3 2002/06/06 18:34:03 astichte + * Added XXX_PhysicalAddress and XXX_VirtualAddress + * + * Revision 1.2 2002/06/05 18:30:46 astichte + * Removed IDTField + * + * Revision 1.1 2002/05/29 17:33:21 sysarch + * jba File moved from vcode/include/idt/acacia + * + * + ******************************************************************************/ + +enum +{ + DMA0_PhysicalAddress = 0x18040000, + DMA_PhysicalAddress = DMA0_PhysicalAddress, // Default + + DMA0_VirtualAddress = 0xb8040000, + DMA_VirtualAddress = DMA0_VirtualAddress, // Default +} ; + +/* + * DMA descriptor (in physical memory). + */ + +typedef struct DMAD_s +{ + u32 control ; // Control. use DMAD_* + u32 ca ; // Current Address. + u32 devcs ; // Device control and status. + u32 link ; // Next descriptor in chain. +} volatile *DMAD_t ; + +enum +{ + DMAD_size = sizeof (struct DMAD_s), + DMAD_count_b = 0, // in DMAD_t -> control + DMAD_count_m = 0x0003ffff, // in DMAD_t -> control + DMAD_ds_b = 20, // in DMAD_t -> control + DMAD_ds_m = 0x00300000, // in DMAD_t -> control + DMAD_ds_ethRcv_v = 0, + DMAD_ds_ethXmt_v = 0, + DMAD_ds_memToFifo_v = 0, + DMAD_ds_fifoToMem_v = 0, + DMAD_ds_pciToMem_v = 0, + DMAD_ds_memToPci_v = 0, + + DMAD_devcmd_b = 22, // in DMAD_t -> control + DMAD_devcmd_m = 0x01c00000, // in DMAD_t -> control + DMAD_devcmd_byte_v = 0, //memory-to-memory + DMAD_devcmd_halfword_v = 1, //memory-to-memory + DMAD_devcmd_word_v = 2, //memory-to-memory + DMAD_devcmd_2words_v = 3, //memory-to-memory + DMAD_devcmd_4words_v = 4, //memory-to-memory + DMAD_devcmd_6words_v = 5, //memory-to-memory + DMAD_devcmd_8words_v = 6, //memory-to-memory + DMAD_devcmd_16words_v = 7, //memory-to-memory + DMAD_cof_b = 25, // chain on finished + DMAD_cof_m = 0x02000000, // + DMAD_cod_b = 26, // chain on done + DMAD_cod_m = 0x04000000, // + DMAD_iof_b = 27, // interrupt on finished + DMAD_iof_m = 0x08000000, // + DMAD_iod_b = 28, // interrupt on done + DMAD_iod_m = 0x10000000, // + DMAD_t_b = 29, // terminated + DMAD_t_m = 0x20000000, // + DMAD_d_b = 30, // done + DMAD_d_m = 0x40000000, // + DMAD_f_b = 31, // finished + DMAD_f_m = 0x80000000, // +} ; + +/* + * DMA register (within Internal Register Map). + */ + +struct DMA_Chan_s +{ + u32 dmac ; // Control. + u32 dmas ; // Status. + u32 dmasm ; // Mask. + u32 dmadptr ; // Descriptor pointer. + u32 dmandptr ; // Next descriptor pointer. +}; + +typedef struct DMA_Chan_s volatile *DMA_Chan_t ; + +//DMA_Channels use DMACH_count instead + +enum +{ + DMAC_run_b = 0, // + DMAC_run_m = 0x00000001, // + DMAC_dm_b = 1, // done mask + DMAC_dm_m = 0x00000002, // + DMAC_mode_b = 2, // + DMAC_mode_m = 0x0000000c, // + DMAC_mode_auto_v = 0, + DMAC_mode_burst_v = 1, + DMAC_mode_transfer_v = 2, //usually used + DMAC_mode_reserved_v = 3, + DMAC_a_b = 4, // + DMAC_a_m = 0x00000010, // + + DMAS_f_b = 0, // finished (sticky) + DMAS_f_m = 0x00000001, // + DMAS_d_b = 1, // done (sticky) + DMAS_d_m = 0x00000002, // + DMAS_c_b = 2, // chain (sticky) + DMAS_c_m = 0x00000004, // + DMAS_e_b = 3, // error (sticky) + DMAS_e_m = 0x00000008, // + DMAS_h_b = 4, // halt (sticky) + DMAS_h_m = 0x00000010, // + + DMASM_f_b = 0, // finished (1=mask) + DMASM_f_m = 0x00000001, // + DMASM_d_b = 1, // done (1=mask) + DMASM_d_m = 0x00000002, // + DMASM_c_b = 2, // chain (1=mask) + DMASM_c_m = 0x00000004, // + DMASM_e_b = 3, // error (1=mask) + DMASM_e_m = 0x00000008, // + DMASM_h_b = 4, // halt (1=mask) + DMASM_h_m = 0x00000010, // +} ; + +/* + * DMA channel definitions + */ + +enum +{ + DMACH_ethRcv = 0, + DMACH_ethXmt = 1, + DMACH_memToFifo = 2, + DMACH_fifoToMem = 3, + DMACH_pciToMem = 4, + DMACH_memToPci = 5, + + DMACH_count //must be last +}; + + +typedef struct DMAC_s +{ + struct DMA_Chan_s ch [DMACH_count] ; //use ch[DMACH_] +} volatile *DMA_t ; + +#endif // __IDT_DMA_H__ + diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/dma_v.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/dma_v.h new file mode 100644 index 000000000..81cb40505 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/dma_v.h @@ -0,0 +1,72 @@ +#ifndef __IDT_DMA_V_H__ +#define __IDT_DMA_V_H__ + +/******************************************************************************* + * + * Copyright 2002 Integrated Device Technology, Inc. + * All rights reserved. + * + * DMA register definition. + * + * File : $Id: dma.h,v 1.3 2002/06/06 18:34:03 astichte Exp $ + * + * Author : ryan.holmQVist@idt.com + * Date : 20011005 + * Update : + * $Log: dma.h,v $ + * Revision 1.3 2002/06/06 18:34:03 astichte + * Added XXX_PhysicalAddress and XXX_VirtualAddress + * + * Revision 1.2 2002/06/05 18:30:46 astichte + * Removed IDTField + * + * Revision 1.1 2002/05/29 17:33:21 sysarch + * jba File moved from vcode/include/idt/acacia + * + * + ******************************************************************************/ +#include <asm/rc32434/dma.h> +#include <asm/rc32434/rc32434.h> +#define DMA_CHAN_OFFSET 0x14 +#define IS_DMA_USED(X) (((X) & (DMAD_f_m | DMAD_d_m | DMAD_t_m)) != 0) +#define DMA_COUNT(count) \ + ((count) & DMAD_count_m) + +#define DMA_HALT_TIMEOUT 500 + + +static inline int rc32434_halt_dma(DMA_Chan_t ch) +{ + int timeout=1; + if (local_readl(&ch->dmac) & DMAC_run_m) { + local_writel(0, &ch->dmac); + for (timeout = DMA_HALT_TIMEOUT; timeout > 0; timeout--) { + if (local_readl(&ch->dmas) & DMAS_h_m) { + local_writel(0, &ch->dmas); + break; + } + } + } + + return timeout ? 0 : 1; +} + +static inline void rc32434_start_dma(DMA_Chan_t ch, u32 dma_addr) +{ + local_writel(0, &ch->dmandptr); + local_writel(dma_addr, &ch->dmadptr); +} + +static inline void rc32434_chain_dma(DMA_Chan_t ch, u32 dma_addr) +{ + local_writel(dma_addr, &ch->dmandptr); +} + +#endif // __IDT_DMA_V_H__ + + + + + + + diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/eth.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/eth.h new file mode 100644 index 000000000..2f4297650 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/eth.h @@ -0,0 +1,320 @@ +#ifndef __IDT_ETH_H__ +#define __IDT_ETH_H__ + +/******************************************************************************* + * + * Copyright 2002 Integrated Device Technology, Inc. + * All rights reserved. + * + * Ethernet register definition. + * + * File : $Id: eth.h,v 1.3 2002/06/06 18:34:04 astichte Exp $ + * + * Author : Allen.Stichter@idt.com + * Date : 20020605 + * Update : + * $Log: eth.h,v $ + * Revision 1.3 2002/06/06 18:34:04 astichte + * Added XXX_PhysicalAddress and XXX_VirtualAddress + * + * Revision 1.2 2002/06/05 18:19:46 astichte + * Added + * + * Revision 1.1 2002/05/29 17:33:22 sysarch + * jba File moved from vcode/include/idt/acacia + * + ******************************************************************************/ + +enum +{ + ETH0_PhysicalAddress = 0x18060000, + ETH_PhysicalAddress = ETH0_PhysicalAddress, // Default + + ETH0_VirtualAddress = 0xb8060000, + ETH_VirtualAddress = ETH0_VirtualAddress, // Default +} ; + +typedef struct +{ + u32 ethintfc ; + u32 ethfifott ; + u32 etharc ; + u32 ethhash0 ; + u32 ethhash1 ; + u32 ethu0 [4] ; // Reserved. + u32 ethpfs ; + u32 ethmcp ; + u32 eth_u1 [10] ; // Reserved. + u32 ethspare ; + u32 eth_u2 [42] ; // Reserved. + u32 ethsal0 ; + u32 ethsah0 ; + u32 ethsal1 ; + u32 ethsah1 ; + u32 ethsal2 ; + u32 ethsah2 ; + u32 ethsal3 ; + u32 ethsah3 ; + u32 ethrbc ; + u32 ethrpc ; + u32 ethrupc ; + u32 ethrfc ; + u32 ethtbc ; + u32 ethgpf ; + u32 eth_u9 [50] ; // Reserved. + u32 ethmac1 ; + u32 ethmac2 ; + u32 ethipgt ; + u32 ethipgr ; + u32 ethclrt ; + u32 ethmaxf ; + u32 eth_u10 ; // Reserved. + u32 ethmtest ; + u32 miimcfg ; + u32 miimcmd ; + u32 miimaddr ; + u32 miimwtd ; + u32 miimrdd ; + u32 miimind ; + u32 eth_u11 ; // Reserved. + u32 eth_u12 ; // Reserved. + u32 ethcfsa0 ; + u32 ethcfsa1 ; + u32 ethcfsa2 ; +} volatile *ETH_t; + +enum +{ + ETHINTFC_en_b = 0, + ETHINTFC_en_m = 0x00000001, + ETHINTFC_its_b = 1, + ETHINTFC_its_m = 0x00000002, + ETHINTFC_rip_b = 2, + ETHINTFC_rip_m = 0x00000004, + ETHINTFC_jam_b = 3, + ETHINTFC_jam_m = 0x00000008, + ETHINTFC_ovr_b = 4, + ETHINTFC_ovr_m = 0x00000010, + ETHINTFC_und_b = 5, + ETHINTFC_und_m = 0x00000020, + ETHINTFC_iom_b = 6, + ETHINTFC_iom_m = 0x000000c0, + + ETHFIFOTT_tth_b = 0, + ETHFIFOTT_tth_m = 0x0000007f, + + ETHARC_pro_b = 0, + ETHARC_pro_m = 0x00000001, + ETHARC_am_b = 1, + ETHARC_am_m = 0x00000002, + ETHARC_afm_b = 2, + ETHARC_afm_m = 0x00000004, + ETHARC_ab_b = 3, + ETHARC_ab_m = 0x00000008, + + ETHSAL_byte5_b = 0, + ETHSAL_byte5_m = 0x000000ff, + ETHSAL_byte4_b = 8, + ETHSAL_byte4_m = 0x0000ff00, + ETHSAL_byte3_b = 16, + ETHSAL_byte3_m = 0x00ff0000, + ETHSAL_byte2_b = 24, + ETHSAL_byte2_m = 0xff000000, + + ETHSAH_byte1_b = 0, + ETHSAH_byte1_m = 0x000000ff, + ETHSAH_byte0_b = 8, + ETHSAH_byte0_m = 0x0000ff00, + + ETHGPF_ptv_b = 0, + ETHGPF_ptv_m = 0x0000ffff, + + ETHPFS_pfd_b = 0, + ETHPFS_pfd_m = 0x00000001, + + ETHCFSA0_cfsa4_b = 0, + ETHCFSA0_cfsa4_m = 0x000000ff, + ETHCFSA0_cfsa5_b = 8, + ETHCFSA0_cfsa5_m = 0x0000ff00, + + ETHCFSA1_cfsa2_b = 0, + ETHCFSA1_cfsa2_m = 0x000000ff, + ETHCFSA1_cfsa3_b = 8, + ETHCFSA1_cfsa3_m = 0x0000ff00, + + ETHCFSA2_cfsa0_b = 0, + ETHCFSA2_cfsa0_m = 0x000000ff, + ETHCFSA2_cfsa1_b = 8, + ETHCFSA2_cfsa1_m = 0x0000ff00, + + ETHMAC1_re_b = 0, + ETHMAC1_re_m = 0x00000001, + ETHMAC1_paf_b = 1, + ETHMAC1_paf_m = 0x00000002, + ETHMAC1_rfc_b = 2, + ETHMAC1_rfc_m = 0x00000004, + ETHMAC1_tfc_b = 3, + ETHMAC1_tfc_m = 0x00000008, + ETHMAC1_lb_b = 4, + ETHMAC1_lb_m = 0x00000010, + ETHMAC1_mr_b = 31, + ETHMAC1_mr_m = 0x80000000, + + ETHMAC2_fd_b = 0, + ETHMAC2_fd_m = 0x00000001, + ETHMAC2_flc_b = 1, + ETHMAC2_flc_m = 0x00000002, + ETHMAC2_hfe_b = 2, + ETHMAC2_hfe_m = 0x00000004, + ETHMAC2_dc_b = 3, + ETHMAC2_dc_m = 0x00000008, + ETHMAC2_cen_b = 4, + ETHMAC2_cen_m = 0x00000010, + ETHMAC2_pe_b = 5, + ETHMAC2_pe_m = 0x00000020, + ETHMAC2_vpe_b = 6, + ETHMAC2_vpe_m = 0x00000040, + ETHMAC2_ape_b = 7, + ETHMAC2_ape_m = 0x00000080, + ETHMAC2_ppe_b = 8, + ETHMAC2_ppe_m = 0x00000100, + ETHMAC2_lpe_b = 9, + ETHMAC2_lpe_m = 0x00000200, + ETHMAC2_nb_b = 12, + ETHMAC2_nb_m = 0x00001000, + ETHMAC2_bp_b = 13, + ETHMAC2_bp_m = 0x00002000, + ETHMAC2_ed_b = 14, + ETHMAC2_ed_m = 0x00004000, + + ETHIPGT_ipgt_b = 0, + ETHIPGT_ipgt_m = 0x0000007f, + + ETHIPGR_ipgr2_b = 0, + ETHIPGR_ipgr2_m = 0x0000007f, + ETHIPGR_ipgr1_b = 8, + ETHIPGR_ipgr1_m = 0x00007f00, + + ETHCLRT_maxret_b = 0, + ETHCLRT_maxret_m = 0x0000000f, + ETHCLRT_colwin_b = 8, + ETHCLRT_colwin_m = 0x00003f00, + + ETHMAXF_maxf_b = 0, + ETHMAXF_maxf_m = 0x0000ffff, + + ETHMTEST_tb_b = 2, + ETHMTEST_tb_m = 0x00000004, + + ETHMCP_div_b = 0, + ETHMCP_div_m = 0x000000ff, + + MIIMCFG_rsv_b = 0, + MIIMCFG_rsv_m = 0x0000000c, + + MIIMCMD_rd_b = 0, + MIIMCMD_rd_m = 0x00000001, + MIIMCMD_scn_b = 1, + MIIMCMD_scn_m = 0x00000002, + + MIIMADDR_regaddr_b = 0, + MIIMADDR_regaddr_m = 0x0000001f, + MIIMADDR_phyaddr_b = 8, + MIIMADDR_phyaddr_m = 0x00001f00, + + MIIMWTD_wdata_b = 0, + MIIMWTD_wdata_m = 0x0000ffff, + + MIIMRDD_rdata_b = 0, + MIIMRDD_rdata_m = 0x0000ffff, + + MIIMIND_bsy_b = 0, + MIIMIND_bsy_m = 0x00000001, + MIIMIND_scn_b = 1, + MIIMIND_scn_m = 0x00000002, + MIIMIND_nv_b = 2, + MIIMIND_nv_m = 0x00000004, + +} ; + +/* + * Values for the DEVCS field of the Ethernet DMA Rx and Tx descriptors. + */ +enum +{ + ETHRX_fd_b = 0, + ETHRX_fd_m = 0x00000001, + ETHRX_ld_b = 1, + ETHRX_ld_m = 0x00000002, + ETHRX_rok_b = 2, + ETHRX_rok_m = 0x00000004, + ETHRX_fm_b = 3, + ETHRX_fm_m = 0x00000008, + ETHRX_mp_b = 4, + ETHRX_mp_m = 0x00000010, + ETHRX_bp_b = 5, + ETHRX_bp_m = 0x00000020, + ETHRX_vlt_b = 6, + ETHRX_vlt_m = 0x00000040, + ETHRX_cf_b = 7, + ETHRX_cf_m = 0x00000080, + ETHRX_ovr_b = 8, + ETHRX_ovr_m = 0x00000100, + ETHRX_crc_b = 9, + ETHRX_crc_m = 0x00000200, + ETHRX_cv_b = 10, + ETHRX_cv_m = 0x00000400, + ETHRX_db_b = 11, + ETHRX_db_m = 0x00000800, + ETHRX_le_b = 12, + ETHRX_le_m = 0x00001000, + ETHRX_lor_b = 13, + ETHRX_lor_m = 0x00002000, + ETHRX_ces_b = 14, + ETHRX_ces_m = 0x00004000, + ETHRX_length_b = 16, + ETHRX_length_m = 0xffff0000, + + ETHTX_fd_b = 0, + ETHTX_fd_m = 0x00000001, + ETHTX_ld_b = 1, + ETHTX_ld_m = 0x00000002, + ETHTX_oen_b = 2, + ETHTX_oen_m = 0x00000004, + ETHTX_pen_b = 3, + ETHTX_pen_m = 0x00000008, + ETHTX_cen_b = 4, + ETHTX_cen_m = 0x00000010, + ETHTX_hen_b = 5, + ETHTX_hen_m = 0x00000020, + ETHTX_tok_b = 6, + ETHTX_tok_m = 0x00000040, + ETHTX_mp_b = 7, + ETHTX_mp_m = 0x00000080, + ETHTX_bp_b = 8, + ETHTX_bp_m = 0x00000100, + ETHTX_und_b = 9, + ETHTX_und_m = 0x00000200, + ETHTX_of_b = 10, + ETHTX_of_m = 0x00000400, + ETHTX_ed_b = 11, + ETHTX_ed_m = 0x00000800, + ETHTX_ec_b = 12, + ETHTX_ec_m = 0x00001000, + ETHTX_lc_b = 13, + ETHTX_lc_m = 0x00002000, + ETHTX_td_b = 14, + ETHTX_td_m = 0x00004000, + ETHTX_crc_b = 15, + ETHTX_crc_m = 0x00008000, + ETHTX_le_b = 16, + ETHTX_le_m = 0x00010000, + ETHTX_cc_b = 17, + ETHTX_cc_m = 0x001E0000, +} ; + +#endif // __IDT_ETH_H__ + + + + diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/eth_v.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/eth_v.h new file mode 100644 index 000000000..3ea03c672 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/eth_v.h @@ -0,0 +1,63 @@ +#ifndef __IDT_ETH_V_H__ +#define __IDT_ETH_V_H__ + +/******************************************************************************* + * + * Copyright 2002 Integrated Device Technology, Inc. + * All rights reserved. + * + * Ethernet register definition. + * + * File : $Id: eth.h,v 1.3 2002/06/06 18:34:04 astichte Exp $ + * + * Author : Allen.Stichter@idt.com + * Date : 20020605 + * Update : + * $Log: eth.h,v $ + * Revision 1.3 2002/06/06 18:34:04 astichte + * Added XXX_PhysicalAddress and XXX_VirtualAddress + * + * Revision 1.2 2002/06/05 18:19:46 astichte + * Added + * + * Revision 1.1 2002/05/29 17:33:22 sysarch + * jba File moved from vcode/include/idt/acacia + * + ******************************************************************************/ + +#include <asm/rc32434/eth.h> + +#define IS_TX_TOK(X) (((X) & (1<<ETHTX_tok_b)) >> ETHTX_tok_b ) /* Transmit Okay */ +#define IS_TX_MP(X) (((X) & (1<<ETHTX_mp_b)) >> ETHTX_mp_b ) /* Multicast */ +#define IS_TX_BP(X) (((X) & (1<<ETHTX_bp_b)) >> ETHTX_bp_b ) /* Broadcast */ +#define IS_TX_UND_ERR(X) (((X) & (1<<ETHTX_und_b)) >> ETHTX_und_b ) /* Transmit FIFO Underflow */ +#define IS_TX_OF_ERR(X) (((X) & (1<<ETHTX_of_b)) >> ETHTX_of_b ) /* Oversized frame */ +#define IS_TX_ED_ERR(X) (((X) & (1<<ETHTX_ed_b)) >> ETHTX_ed_b ) /* Excessive deferral */ +#define IS_TX_EC_ERR(X) (((X) & (1<<ETHTX_ec_b)) >> ETHTX_ec_b) /* Excessive collisions */ +#define IS_TX_LC_ERR(X) (((X) & (1<<ETHTX_lc_b)) >> ETHTX_lc_b ) /* Late Collision */ +#define IS_TX_TD_ERR(X) (((X) & (1<<ETHTX_td_b)) >> ETHTX_td_b ) /* Transmit deferred*/ +#define IS_TX_CRC_ERR(X) (((X) & (1<<ETHTX_crc_b)) >> ETHTX_crc_b ) /* CRC Error */ +#define IS_TX_LE_ERR(X) (((X) & (1<<ETHTX_le_b)) >> ETHTX_le_b ) /* Length Error */ + +#define TX_COLLISION_COUNT(X) (((X) & ETHTX_cc_m)>>ETHTX_cc_b) /* Collision Count */ + +#define IS_RCV_ROK(X) (((X) & (1<<ETHRX_rok_b)) >> ETHRX_rok_b) /* Receive Okay */ +#define IS_RCV_FM(X) (((X) & (1<<ETHRX_fm_b)) >> ETHRX_fm_b) /* Is Filter Match */ +#define IS_RCV_MP(X) (((X) & (1<<ETHRX_mp_b)) >> ETHRX_mp_b) /* Is it MP */ +#define IS_RCV_BP(X) (((X) & (1<<ETHRX_bp_b)) >> ETHRX_bp_b) /* Is it BP */ +#define IS_RCV_VLT(X) (((X) & (1<<ETHRX_vlt_b)) >> ETHRX_vlt_b) /* VLAN Tag Detect */ +#define IS_RCV_CF(X) (((X) & (1<<ETHRX_cf_b)) >> ETHRX_cf_b) /* Control Frame */ +#define IS_RCV_OVR_ERR(X) (((X) & (1<<ETHRX_ovr_b)) >> ETHRX_ovr_b) /* Receive Overflow */ +#define IS_RCV_CRC_ERR(X) (((X) & (1<<ETHRX_crc_b)) >> ETHRX_crc_b) /* CRC Error */ +#define IS_RCV_CV_ERR(X) (((X) & (1<<ETHRX_cv_b)) >> ETHRX_cv_b) /* Code Violation */ +#define IS_RCV_DB_ERR(X) (((X) & (1<<ETHRX_db_b)) >> ETHRX_db_b) /* Dribble Bits */ +#define IS_RCV_LE_ERR(X) (((X) & (1<<ETHRX_le_b)) >> ETHRX_le_b) /* Length error */ +#define IS_RCV_LOR_ERR(X) (((X) & (1<<ETHRX_lor_b)) >> ETHRX_lor_b) /* Length Out of Range */ +#define IS_RCV_CES_ERR(X) (((X) & (1<<ETHRX_ces_b)) >> ETHRX_ces_b) /* Preamble error */ +#define RCVPKT_LENGTH(X) (((X) & ETHRX_length_m) >> ETHRX_length_b) /* Length of the received packet */ +#endif // __IDT_ETH_V_H__ + + + + + diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/gpio.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/gpio.h new file mode 100644 index 000000000..859b9c921 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/gpio.h @@ -0,0 +1,122 @@ +/* + * Copyright 2002 Integrated Device Technology, Inc. + * All rights reserved. + * + * GPIO register definition. + * + * Author : ryan.holmQVist@idt.com + * Date : 20011005 + * Copyright (C) 2001, 2002 Ryan Holm <ryan.holmQVist@idt.com> + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org> + */ + +#ifndef _RC32434_GPIO_H_ +#define _RC32434_GPIO_H_ + +#include <linux/types.h> + +struct rb500_gpio_reg { + u32 gpiofunc; /* GPIO Function Register + * gpiofunc[x]==0 bit = gpio + * func[x]==1 bit = altfunc + */ + u32 gpiocfg; /* GPIO Configuration Register + * gpiocfg[x]==0 bit = input + * gpiocfg[x]==1 bit = output + */ + u32 gpiod; /* GPIO Data Register + * gpiod[x] read/write gpio pinX status + */ + u32 gpioilevel; /* GPIO Interrupt Status Register + * interrupt level (see gpioistat) + */ + u32 gpioistat; /* Gpio Interrupt Status Register + * istat[x] = (gpiod[x] == level[x]) + * cleared in ISR (STICKY bits) + */ + u32 gpionmien; /* GPIO Non-maskable Interrupt Enable Register */ +}; + +/* UART GPIO signals */ +#define RC32434_UART0_SOUT (1 << 0) +#define RC32434_UART0_SIN (1 << 1) +#define RC32434_UART0_RTS (1 << 2) +#define RC32434_UART0_CTS (1 << 3) + +/* M & P bus GPIO signals */ +#define RC32434_MP_BIT_22 (1 << 4) +#define RC32434_MP_BIT_23 (1 << 5) +#define RC32434_MP_BIT_24 (1 << 6) +#define RC32434_MP_BIT_25 (1 << 7) + +/* CPU GPIO signals */ +#define RC32434_CPU_GPIO (1 << 8) + +/* Reserved GPIO signals */ +#define RC32434_AF_SPARE_6 (1 << 9) +#define RC32434_AF_SPARE_4 (1 << 10) +#define RC32434_AF_SPARE_3 (1 << 11) +#define RC32434_AF_SPARE_2 (1 << 12) + +/* PCI messaging unit */ +#define RC32434_PCI_MSU_GPIO (1 << 13) + +extern int rb500_gpio_get_value(unsigned gpio); +extern void rb500_gpio_set_value(unsigned gpio, int value); +extern int rb500_gpio_direction_input(unsigned gpio); +extern int rb500_gpio_direction_output(unsigned gpio, int value); +extern void rb500_gpio_set_int_level(unsigned gpio, int value); +extern int rb500_gpio_get_int_level(unsigned gpio); +extern void rb500_gpio_set_int_status(unsigned gpio, int value); +extern int rb500_gpio_get_int_status(unsigned gpio); +extern void rb500_gpio_set_func(unsigned gpio, int value); +extern int rb500_gpio_get_func(unsigned gpio); + + +/* Wrappers for the arch-neutral GPIO API */ + +static inline int gpio_request(unsigned gpio, const char *label) +{ + /* Not yet implemented */ + return 0; +} + +static inline void gpio_free(unsigned gpio) +{ + /* Not yet implemented */ +} + +static inline int gpio_direction_input(unsigned gpio) +{ + return rb500_gpio_direction_input(gpio); +} + +static inline int gpio_direction_output(unsigned gpio, int value) +{ + return rb500_gpio_direction_output(gpio, value); +} + +static inline int gpio_get_value(unsigned gpio) +{ + return rb500_gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + rb500_gpio_set_value(gpio, value); +} + +static inline int gpio_to_irq(unsigned gpio) +{ + return gpio; +} + +static inline int irq_to_gpio(unsigned irq) +{ + return irq; +} + +/* For cansleep */ +#include <asm-generic/gpio.h> + +#endif /* _RC32434_GPIO_H_ */ diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/integ.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/integ.h new file mode 100644 index 000000000..a9e99e4be --- /dev/null +++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/integ.h @@ -0,0 +1,76 @@ +#ifndef __IDT_INTEG_H__ +#define __IDT_INTEG_H__ + +/******************************************************************************* + * + * Copyright 2002 Integrated Device Technology, Inc. + * All rights reserved. + * + * System Integrity register definition. + * + * File : $Id: integ.h,v 1.3 2002/06/06 18:34:04 astichte Exp $ + * + * Author : ryan.holmQVist@idt.com + * Date : 20011005 + * Update : + * $Log: integ.h,v $ + * Revision 1.3 2002/06/06 18:34:04 astichte + * Added XXX_PhysicalAddress and XXX_VirtualAddress + * + * Revision 1.2 2002/06/05 18:32:33 astichte + * Removed IDTField + * + * Revision 1.1 2002/05/29 17:33:22 sysarch + * jba File moved from vcode/include/idt/acacia + * + ******************************************************************************/ + +enum +{ + INTEG0_PhysicalAddress = 0x18030000, + INTEG_PhysicalAddress = INTEG0_PhysicalAddress, // Default + + INTEG0_VirtualAddress = 0xb8030000, + INTEG_VirtualAddress = INTEG0_VirtualAddress, // Default +} ; + +// if you are looing for CEA, try rst.h +typedef struct +{ + u32 filler [0xc] ; // 0x30 bytes unused. + u32 errcs ; // sticky use ERRCS_ + u32 wtcount ; // Watchdog timer count reg. + u32 wtcompare ; // Watchdog timer timeout value. + u32 wtc ; // Watchdog timer control. use WTC_ +} volatile *INTEG_t ; + +enum +{ + ERRCS_wto_b = 0, // In INTEG_t -> errcs + ERRCS_wto_m = 0x00000001, + ERRCS_wne_b = 1, // In INTEG_t -> errcs + ERRCS_wne_m = 0x00000002, + ERRCS_ucw_b = 2, // In INTEG_t -> errcs + ERRCS_ucw_m = 0x00000004, + ERRCS_ucr_b = 3, // In INTEG_t -> errcs + ERRCS_ucr_m = 0x00000008, + ERRCS_upw_b = 4, // In INTEG_t -> errcs + ERRCS_upw_m = 0x00000010, + ERRCS_upr_b = 5, // In INTEG_t -> errcs + ERRCS_upr_m = 0x00000020, + ERRCS_udw_b = 6, // In INTEG_t -> errcs + ERRCS_udw_m = 0x00000040, + ERRCS_udr_b = 7, // In INTEG_t -> errcs + ERRCS_udr_m = 0x00000080, + ERRCS_sae_b = 8, // In INTEG_t -> errcs + ERRCS_sae_m = 0x00000100, + ERRCS_wre_b = 9, // In INTEG_t -> errcs + ERRCS_wre_m = 0x00000200, + + WTC_en_b = 0, // In INTEG_t -> wtc + WTC_en_m = 0x00000001, + WTC_to_b = 1, // In INTEG_t -> wtc + WTC_to_m = 0x00000002, +} ; + +#endif // __IDT_INTEG_H__ diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/irq.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/irq.h new file mode 100644 index 000000000..65cc13c92 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/irq.h @@ -0,0 +1,7 @@ +#ifndef __ASM_MACH_MIPS_IRQ_H +#define __ASM_MACH_MIPS_IRQ_H + +#define NR_IRQS 256 +#include_next <irq.h> + +#endif /* __ASM_MACH_MIPS_IRQ_H */ diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/pci.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/pci.h new file mode 100644 index 000000000..585a0ae21 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/pci.h @@ -0,0 +1,692 @@ +/************************************************************************** + * + * BRIEF MODULE DESCRIPTION + * PCI register definitio + * + * Copyright 2004 IDT Inc. (rischelp@idt.com) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + ************************************************************************** + * May 2004 rkt, neb. + * + * Initial Release + * + * + * + ************************************************************************** + */ + +#ifndef __IDT_PCI_H__ +#define __IDT_PCI_H__ + +enum +{ + PCI0_PhysicalAddress = 0x18080000, + PCI_PhysicalAddress = PCI0_PhysicalAddress, + + PCI0_VirtualAddress = 0xB8080000, + PCI_VirtualAddress = PCI0_VirtualAddress, +} ; + +enum +{ + PCI_LbaCount = 4, // Local base addresses. +} ; + +typedef struct +{ + u32 a ; // Address. + u32 c ; // Control. + u32 m ; // mapping. +} PCI_Map_s ; + +typedef struct +{ + u32 pcic ; + u32 pcis ; + u32 pcism ; + u32 pcicfga ; + u32 pcicfgd ; + PCI_Map_s pcilba [PCI_LbaCount] ; + u32 pcidac ; + u32 pcidas ; + u32 pcidasm ; + u32 pcidad ; + u32 pcidma8c ; + u32 pcidma9c ; + u32 pcitc ; +} volatile *PCI_t ; + +// PCI messaging unit. +enum +{ + PCIM_Count = 2, +} ; +typedef struct +{ + u32 pciim [PCIM_Count] ; + u32 pciom [PCIM_Count] ; + u32 pciid ; + u32 pciiic ; + u32 pciiim ; + u32 pciiod ; + u32 pciioic ; + u32 pciioim ; +} volatile *PCIM_t ; + +/******************************************************************************* + * + * PCI Control Register + * + ******************************************************************************/ +enum +{ + PCIC_en_b = 0, + PCIC_en_m = 0x00000001, + PCIC_tnr_b = 1, + PCIC_tnr_m = 0x00000002, + PCIC_sce_b = 2, + PCIC_sce_m = 0x00000004, + PCIC_ien_b = 3, + PCIC_ien_m = 0x00000008, + PCIC_aaa_b = 4, + PCIC_aaa_m = 0x00000010, + PCIC_eap_b = 5, + PCIC_eap_m = 0x00000020, + PCIC_pcim_b = 6, + PCIC_pcim_m = 0x000001c0, + PCIC_pcim_disabled_v = 0, + PCIC_pcim_tnr_v = 1, // Satellite - target not ready + PCIC_pcim_suspend_v = 2, // Satellite - suspended CPU. + PCIC_pcim_extern_v = 3, // Host - external arbiter. + PCIC_pcim_fixed_v = 4, // Host - fixed priority arb. + PCIC_pcim_roundrobin_v = 5, // Host - round robin priority. + PCIC_pcim_reserved6_v = 6, + PCIC_pcim_reserved7_v = 7, + PCIC_igm_b = 9, + PCIC_igm_m = 0x00000200, +} ; + +/******************************************************************************* + * + * PCI Status Register + * + ******************************************************************************/ +enum { + PCIS_eed_b = 0, + PCIS_eed_m = 0x00000001, + PCIS_wr_b = 1, + PCIS_wr_m = 0x00000002, + PCIS_nmi_b = 2, + PCIS_nmi_m = 0x00000004, + PCIS_ii_b = 3, + PCIS_ii_m = 0x00000008, + PCIS_cwe_b = 4, + PCIS_cwe_m = 0x00000010, + PCIS_cre_b = 5, + PCIS_cre_m = 0x00000020, + PCIS_mdpe_b = 6, + PCIS_mdpe_m = 0x00000040, + PCIS_sta_b = 7, + PCIS_sta_m = 0x00000080, + PCIS_rta_b = 8, + PCIS_rta_m = 0x00000100, + PCIS_rma_b = 9, + PCIS_rma_m = 0x00000200, + PCIS_sse_b = 10, + PCIS_sse_m = 0x00000400, + PCIS_ose_b = 11, + PCIS_ose_m = 0x00000800, + PCIS_pe_b = 12, + PCIS_pe_m = 0x00001000, + PCIS_tae_b = 13, + PCIS_tae_m = 0x00002000, + PCIS_rle_b = 14, + PCIS_rle_m = 0x00004000, + PCIS_bme_b = 15, + PCIS_bme_m = 0x00008000, + PCIS_prd_b = 16, + PCIS_prd_m = 0x00010000, + PCIS_rip_b = 17, + PCIS_rip_m = 0x00020000, +} ; + +/******************************************************************************* + * + * PCI Status Mask Register + * + ******************************************************************************/ +enum { + PCISM_eed_b = 0, + PCISM_eed_m = 0x00000001, + PCISM_wr_b = 1, + PCISM_wr_m = 0x00000002, + PCISM_nmi_b = 2, + PCISM_nmi_m = 0x00000004, + PCISM_ii_b = 3, + PCISM_ii_m = 0x00000008, + PCISM_cwe_b = 4, + PCISM_cwe_m = 0x00000010, + PCISM_cre_b = 5, + PCISM_cre_m = 0x00000020, + PCISM_mdpe_b = 6, + PCISM_mdpe_m = 0x00000040, + PCISM_sta_b = 7, + PCISM_sta_m = 0x00000080, + PCISM_rta_b = 8, + PCISM_rta_m = 0x00000100, + PCISM_rma_b = 9, + PCISM_rma_m = 0x00000200, + PCISM_sse_b = 10, + PCISM_sse_m = 0x00000400, + PCISM_ose_b = 11, + PCISM_ose_m = 0x00000800, + PCISM_pe_b = 12, + PCISM_pe_m = 0x00001000, + PCISM_tae_b = 13, + PCISM_tae_m = 0x00002000, + PCISM_rle_b = 14, + PCISM_rle_m = 0x00004000, + PCISM_bme_b = 15, + PCISM_bme_m = 0x00008000, + PCISM_prd_b = 16, + PCISM_prd_m = 0x00010000, + PCISM_rip_b = 17, + PCISM_rip_m = 0x00020000, +} ; + +/******************************************************************************* + * + * PCI Configuration Address Register + * + ******************************************************************************/ +enum { + PCICFGA_reg_b = 2, + PCICFGA_reg_m = 0x000000fc, + PCICFGA_reg_id_v = 0x00>>2, //use PCFGID_ + PCICFGA_reg_04_v = 0x04>>2, //use PCFG04_ + PCICFGA_reg_08_v = 0x08>>2, //use PCFG08_ + PCICFGA_reg_0C_v = 0x0C>>2, //use PCFG0C_ + PCICFGA_reg_pba0_v = 0x10>>2, //use PCIPBA_ + PCICFGA_reg_pba1_v = 0x14>>2, //use PCIPBA_ + PCICFGA_reg_pba2_v = 0x18>>2, //use PCIPBA_ + PCICFGA_reg_pba3_v = 0x1c>>2, //use PCIPBA_ + PCICFGA_reg_subsystem_v = 0x2c>>2, //use PCFGSS_ + PCICFGA_reg_3C_v = 0x3C>>2, //use PCFG3C_ + PCICFGA_reg_pba0c_v = 0x44>>2, //use PCIPBAC_ + PCICFGA_reg_pba0m_v = 0x48>>2, + PCICFGA_reg_pba1c_v = 0x4c>>2, //use PCIPBAC_ + PCICFGA_reg_pba1m_v = 0x50>>2, + PCICFGA_reg_pba2c_v = 0x54>>2, //use PCIPBAC_ + PCICFGA_reg_pba2m_v = 0x58>>2, + PCICFGA_reg_pba3c_v = 0x5c>>2, //use PCIPBAC_ + PCICFGA_reg_pba3m_v = 0x60>>2, + PCICFGA_reg_pmgt_v = 0x64>>2, + PCICFGA_func_b = 8, + PCICFGA_func_m = 0x00000700, + PCICFGA_dev_b = 11, + PCICFGA_dev_m = 0x0000f800, + PCICFGA_dev_internal_v = 0, + PCICFGA_bus_b = 16, + PCICFGA_bus_m = 0x00ff0000, + PCICFGA_bus_type0_v = 0, //local bus + PCICFGA_en_b = 31, // read only + PCICFGA_en_m = 0x80000000, +} ; + +enum { + PCFGID_vendor_b = 0, + PCFGID_vendor_m = 0x0000ffff, + PCFGID_vendor_IDT_v = 0x111d, + PCFGID_device_b = 16, + PCFGID_device_m = 0xffff0000, + PCFGID_device_Korinade_v = 0x0214, + + PCFG04_command_ioena_b = 1, + PCFG04_command_ioena_m = 0x00000001, + PCFG04_command_memena_b = 2, + PCFG04_command_memena_m = 0x00000002, + PCFG04_command_bmena_b = 3, + PCFG04_command_bmena_m = 0x00000004, + PCFG04_command_mwinv_b = 5, + PCFG04_command_mwinv_m = 0x00000010, + PCFG04_command_parena_b = 7, + PCFG04_command_parena_m = 0x00000040, + PCFG04_command_serrena_b = 9, + PCFG04_command_serrena_m = 0x00000100, + PCFG04_command_fastbbena_b = 10, + PCFG04_command_fastbbena_m = 0x00000200, + PCFG04_status_b = 16, + PCFG04_status_m = 0xffff0000, + PCFG04_status_66MHz_b = 21, // 66 MHz enable + PCFG04_status_66MHz_m = 0x00200000, + PCFG04_status_fbb_b = 23, + PCFG04_status_fbb_m = 0x00800000, + PCFG04_status_mdpe_b = 24, + PCFG04_status_mdpe_m = 0x01000000, + PCFG04_status_dst_b = 25, + PCFG04_status_dst_m = 0x06000000, + PCFG04_status_sta_b = 27, + PCFG04_status_sta_m = 0x08000000, + PCFG04_status_rta_b = 28, + PCFG04_status_rta_m = 0x10000000, + PCFG04_status_rma_b = 29, + PCFG04_status_rma_m = 0x20000000, + PCFG04_status_sse_b = 30, + PCFG04_status_sse_m = 0x40000000, + PCFG04_status_pe_b = 31, + PCFG04_status_pe_m = 0x40000000, + + PCFG08_revId_b = 0, + PCFG08_revId_m = 0x000000ff, + PCFG08_classCode_b = 0, + PCFG08_classCode_m = 0xffffff00, + PCFG08_classCode_bridge_v = 06, + PCFG08_classCode_proc_v = 0x0b3000, // processor-MIPS + PCFG0C_cacheline_b = 0, + PCFG0C_cacheline_m = 0x000000ff, + PCFG0C_masterLatency_b = 8, + PCFG0C_masterLatency_m = 0x0000ff00, + PCFG0C_headerType_b = 16, + PCFG0C_headerType_m = 0x00ff0000, + PCFG0C_bist_b = 24, + PCFG0C_bist_m = 0xff000000, + + PCIPBA_msi_b = 0, + PCIPBA_msi_m = 0x00000001, + PCIPBA_p_b = 3, + PCIPBA_p_m = 0x00000004, + PCIPBA_baddr_b = 8, + PCIPBA_baddr_m = 0xffffff00, + + PCFGSS_vendorId_b = 0, + PCFGSS_vendorId_m = 0x0000ffff, + PCFGSS_id_b = 16, + PCFGSS_id_m = 0xffff0000, + + PCFG3C_interruptLine_b = 0, + PCFG3C_interruptLine_m = 0x000000ff, + PCFG3C_interruptPin_b = 8, + PCFG3C_interruptPin_m = 0x0000ff00, + PCFG3C_minGrant_b = 16, + PCFG3C_minGrant_m = 0x00ff0000, + PCFG3C_maxLat_b = 24, + PCFG3C_maxLat_m = 0xff000000, + + PCIPBAC_msi_b = 0, + PCIPBAC_msi_m = 0x00000001, + PCIPBAC_p_b = 1, + PCIPBAC_p_m = 0x00000002, + PCIPBAC_size_b = 2, + PCIPBAC_size_m = 0x0000007c, + PCIPBAC_sb_b = 7, + PCIPBAC_sb_m = 0x00000080, + PCIPBAC_pp_b = 8, + PCIPBAC_pp_m = 0x00000100, + PCIPBAC_mr_b = 9, + PCIPBAC_mr_m = 0x00000600, + PCIPBAC_mr_read_v =0, //no prefetching + PCIPBAC_mr_readLine_v =1, + PCIPBAC_mr_readMult_v =2, + PCIPBAC_mrl_b = 11, + PCIPBAC_mrl_m = 0x00000800, + PCIPBAC_mrm_b = 12, + PCIPBAC_mrm_m = 0x00001000, + PCIPBAC_trp_b = 13, + PCIPBAC_trp_m = 0x00002000, + + PCFG40_trdyTimeout_b = 0, + PCFG40_trdyTimeout_m = 0x000000ff, + PCFG40_retryLim_b = 8, + PCFG40_retryLim_m = 0x0000ff00, +}; + +/******************************************************************************* + * + * PCI Local Base Address [0|1|2|3] Register + * + ******************************************************************************/ +enum { + PCILBA_baddr_b = 0, // In PCI_t -> pcilba [] .a + PCILBA_baddr_m = 0xffffff00, +} ; +/******************************************************************************* + * + * PCI Local Base Address Control Register + * + ******************************************************************************/ +enum { + PCILBAC_msi_b = 0, // In pPci->pcilba[i].c + PCILBAC_msi_m = 0x00000001, + PCILBAC_msi_mem_v = 0, + PCILBAC_msi_io_v = 1, + PCILBAC_size_b = 2, // In pPci->pcilba[i].c + PCILBAC_size_m = 0x0000007c, + PCILBAC_sb_b = 7, // In pPci->pcilba[i].c + PCILBAC_sb_m = 0x00000080, + PCILBAC_rt_b = 8, // In pPci->pcilba[i].c + PCILBAC_rt_m = 0x00000100, + PCILBAC_rt_noprefetch_v = 0, // mem read + PCILBAC_rt_prefetch_v = 1, // mem readline +} ; + +/******************************************************************************* + * + * PCI Local Base Address [0|1|2|3] Mapping Register + * + ******************************************************************************/ +enum { + PCILBAM_maddr_b = 8, + PCILBAM_maddr_m = 0xffffff00, +} ; + +/******************************************************************************* + * + * PCI Decoupled Access Control Register + * + ******************************************************************************/ +enum { + PCIDAC_den_b = 0, + PCIDAC_den_m = 0x00000001, +} ; + +/******************************************************************************* + * + * PCI Decoupled Access Status Register + * + ******************************************************************************/ +enum { + PCIDAS_d_b = 0, + PCIDAS_d_m = 0x00000001, + PCIDAS_b_b = 1, + PCIDAS_b_m = 0x00000002, + PCIDAS_e_b = 2, + PCIDAS_e_m = 0x00000004, + PCIDAS_ofe_b = 3, + PCIDAS_ofe_m = 0x00000008, + PCIDAS_off_b = 4, + PCIDAS_off_m = 0x00000010, + PCIDAS_ife_b = 5, + PCIDAS_ife_m = 0x00000020, + PCIDAS_iff_b = 6, + PCIDAS_iff_m = 0x00000040, +} ; + +/******************************************************************************* + * + * PCI DMA Channel 8 Configuration Register + * + ******************************************************************************/ +enum +{ + PCIDMA8C_mbs_b = 0, // Maximum Burst Size. + PCIDMA8C_mbs_m = 0x00000fff, // { pcidma8c } + PCIDMA8C_our_b = 12, // Optimize Unaligned Burst Reads. + PCIDMA8C_our_m = 0x00001000, // { pcidma8c } +} ; + +/******************************************************************************* + * + * PCI DMA Channel 9 Configuration Register + * + ******************************************************************************/ +enum +{ + PCIDMA9C_mbs_b = 0, // Maximum Burst Size. + PCIDMA9C_mbs_m = 0x00000fff, // { pcidma9c } +} ; + +/******************************************************************************* + * + * PCI to Memory(DMA Channel 8) AND Memory to PCI DMA(DMA Channel 9)Descriptors + * + ******************************************************************************/ +enum { + PCIDMAD_pt_b = 22, // in DEVCMD field (descriptor) + PCIDMAD_pt_m = 0x00c00000, // preferred transaction field + // These are for reads (DMA channel 8) + PCIDMAD_devcmd_mr_v = 0, //memory read + PCIDMAD_devcmd_mrl_v = 1, //memory read line + PCIDMAD_devcmd_mrm_v = 2, //memory read multiple + PCIDMAD_devcmd_ior_v = 3, //I/O read + // These are for writes (DMA channel 9) + PCIDMAD_devcmd_mw_v = 0, //memory write + PCIDMAD_devcmd_mwi_v = 1, //memory write invalidate + PCIDMAD_devcmd_iow_v = 3, //I/O write + + // Swap byte field applies to both DMA channel 8 and 9 + PCIDMAD_sb_b = 24, // in DEVCMD field (descriptor) + PCIDMAD_sb_m = 0x01000000, // swap byte field +} ; + + +/******************************************************************************* + * + * PCI Target Control Register + * + ******************************************************************************/ +enum +{ + PCITC_rtimer_b = 0, // In PCITC_t -> pcitc + PCITC_rtimer_m = 0x000000ff, + PCITC_dtimer_b = 8, // In PCITC_t -> pcitc + PCITC_dtimer_m = 0x0000ff00, + PCITC_rdr_b = 18, // In PCITC_t -> pcitc + PCITC_rdr_m = 0x00040000, + PCITC_ddt_b = 19, // In PCITC_t -> pcitc + PCITC_ddt_m = 0x00080000, +} ; +/******************************************************************************* + * + * PCI messaging unit [applies to both inbound and outbound registers ] + * + ******************************************************************************/ +enum +{ + PCIM_m0_b = 0, // In PCIM_t -> {pci{iic,iim,ioic,ioim}} + PCIM_m0_m = 0x00000001, // inbound or outbound message 0 + PCIM_m1_b = 1, // In PCIM_t -> {pci{iic,iim,ioic,ioim}} + PCIM_m1_m = 0x00000002, // inbound or outbound message 1 + PCIM_db_b = 2, // In PCIM_t -> {pci{iic,iim,ioic,ioim}} + PCIM_db_m = 0x00000004, // inbound or outbound doorbell +}; + + + + + + +#define PCI_MSG_VirtualAddress 0xB8088010 +#define rc32434_pci ((volatile PCI_t) PCI0_VirtualAddress) +#define rc32434_pci_msg ((volatile PCIM_t) PCI_MSG_VirtualAddress) + +#define PCIM_SHFT 0x6 +#define PCIM_BIT_LEN 0x7 +#define PCIM_H_EA 0x3 +#define PCIM_H_IA_FIX 0x4 +#define PCIM_H_IA_RR 0x5 + +#define PCI_ADDR_START 0x50000000 + +#define CPUTOPCI_MEM_WIN 0x02000000 +#define CPUTOPCI_IO_WIN 0x00100000 +#define PCILBA_SIZE_SHFT 2 +#define PCILBA_SIZE_MASK 0x1F +#define SIZE_256MB 0x1C +#define SIZE_128MB 0x1B +#define SIZE_64MB 0x1A +#define SIZE_32MB 0x19 +#define SIZE_16MB 0x18 +#define SIZE_4MB 0x16 +#define SIZE_2MB 0x15 +#define SIZE_1MB 0x14 +#define KORINA_CONFIG0_ADDR 0x80000000 +#define KORINA_CONFIG1_ADDR 0x80000004 +#define KORINA_CONFIG2_ADDR 0x80000008 +#define KORINA_CONFIG3_ADDR 0x8000000C +#define KORINA_CONFIG4_ADDR 0x80000010 +#define KORINA_CONFIG5_ADDR 0x80000014 +#define KORINA_CONFIG6_ADDR 0x80000018 +#define KORINA_CONFIG7_ADDR 0x8000001C +#define KORINA_CONFIG8_ADDR 0x80000020 +#define KORINA_CONFIG9_ADDR 0x80000024 +#define KORINA_CONFIG10_ADDR 0x80000028 +#define KORINA_CONFIG11_ADDR 0x8000002C +#define KORINA_CONFIG12_ADDR 0x80000030 +#define KORINA_CONFIG13_ADDR 0x80000034 +#define KORINA_CONFIG14_ADDR 0x80000038 +#define KORINA_CONFIG15_ADDR 0x8000003C +#define KORINA_CONFIG16_ADDR 0x80000040 +#define KORINA_CONFIG17_ADDR 0x80000044 +#define KORINA_CONFIG18_ADDR 0x80000048 +#define KORINA_CONFIG19_ADDR 0x8000004C +#define KORINA_CONFIG20_ADDR 0x80000050 +#define KORINA_CONFIG21_ADDR 0x80000054 +#define KORINA_CONFIG22_ADDR 0x80000058 +#define KORINA_CONFIG23_ADDR 0x8000005C +#define KORINA_CONFIG24_ADDR 0x80000060 +#define KORINA_CONFIG25_ADDR 0x80000064 +#define KORINA_CMD (PCFG04_command_ioena_m | \ + PCFG04_command_memena_m | \ + PCFG04_command_bmena_m | \ + PCFG04_command_mwinv_m | \ + PCFG04_command_parena_m | \ + PCFG04_command_serrena_m ) + +#define KORINA_STAT (PCFG04_status_mdpe_m | \ + PCFG04_status_sta_m | \ + PCFG04_status_rta_m | \ + PCFG04_status_rma_m | \ + PCFG04_status_sse_m | \ + PCFG04_status_pe_m) + +#define KORINA_CNFG1 ((KORINA_STAT<<16)|KORINA_CMD) + +#define KORINA_REVID 0 +#define KORINA_CLASS_CODE 0 +#define KORINA_CNFG2 ((KORINA_CLASS_CODE<<8) | \ + KORINA_REVID) + +#define KORINA_CACHE_LINE_SIZE 4 +#define KORINA_MASTER_LAT 0x3c +#define KORINA_HEADER_TYPE 0 +#define KORINA_BIST 0 + +#define KORINA_CNFG3 ((KORINA_BIST << 24) | \ + (KORINA_HEADER_TYPE<<16) | \ + (KORINA_MASTER_LAT<<8) | \ + KORINA_CACHE_LINE_SIZE ) + +#define KORINA_BAR0 0x00000008 /* 128 MB Memory */ +#define KORINA_BAR1 0x18800001 /* 1 MB IO */ +#define KORINA_BAR2 0x18000001 /* 2 MB IO window for Korina + internal Registers */ +#define KORINA_BAR3 0x48000008 /* Spare 128 MB Memory */ + +#define KORINA_CNFG4 KORINA_BAR0 +#define KORINA_CNFG5 KORINA_BAR1 +#define KORINA_CNFG6 KORINA_BAR2 +#define KORINA_CNFG7 KORINA_BAR3 + +#define KORINA_SUBSYS_VENDOR_ID 0x011d +#define KORINA_SUBSYSTEM_ID 0x0214 +#define KORINA_CNFG8 0 +#define KORINA_CNFG9 0 +#define KORINA_CNFG10 0 +#define KORINA_CNFG11 ((KORINA_SUBSYS_VENDOR_ID<<16) | \ + KORINA_SUBSYSTEM_ID) +#define KORINA_INT_LINE 1 +#define KORINA_INT_PIN 1 +#define KORINA_MIN_GNT 8 +#define KORINA_MAX_LAT 0x38 +#define KORINA_CNFG12 0 +#define KORINA_CNFG13 0 +#define KORINA_CNFG14 0 +#define KORINA_CNFG15 ((KORINA_MAX_LAT<<24) | \ + (KORINA_MIN_GNT<<16) | \ + (KORINA_INT_PIN<<8) | \ + KORINA_INT_LINE) +#define KORINA_RETRY_LIMIT 0x80 +#define KORINA_TRDY_LIMIT 0x80 +#define KORINA_CNFG16 ((KORINA_RETRY_LIMIT<<8) | \ + KORINA_TRDY_LIMIT) +#define PCI_PBAxC_R 0x0 +#define PCI_PBAxC_RL 0x1 +#define PCI_PBAxC_RM 0x2 +#define SIZE_SHFT 2 + +#if defined(__MIPSEB__) +#define KORINA_PBA0C ( PCIPBAC_mrl_m | PCIPBAC_sb_m | \ + ((PCI_PBAxC_RM &0x3) << PCIPBAC_mr_b) | \ + PCIPBAC_pp_m | \ + (SIZE_128MB<<SIZE_SHFT) | \ + PCIPBAC_p_m) +#else +#define KORINA_PBA0C ( PCIPBAC_mrl_m | \ + ((PCI_PBAxC_RM &0x3) << PCIPBAC_mr_b) | \ + PCIPBAC_pp_m | \ + (SIZE_128MB<<SIZE_SHFT) | \ + PCIPBAC_p_m) +#endif +#define KORINA_CNFG17 KORINA_PBA0C +#define KORINA_PBA0M 0x0 +#define KORINA_CNFG18 KORINA_PBA0M + +#if defined(__MIPSEB__) +#define KORINA_PBA1C ((SIZE_1MB<<SIZE_SHFT) | PCIPBAC_sb_m | \ + PCIPBAC_msi_m) +#else +#define KORINA_PBA1C ((SIZE_1MB<<SIZE_SHFT) | \ + PCIPBAC_msi_m) +#endif +#define KORINA_CNFG19 KORINA_PBA1C +#define KORINA_PBA1M 0x0 +#define KORINA_CNFG20 KORINA_PBA1M + +#if defined(__MIPSEB__) +#define KORINA_PBA2C ((SIZE_2MB<<SIZE_SHFT) | PCIPBAC_sb_m | \ + PCIPBAC_msi_m) +#else +#define KORINA_PBA2C ((SIZE_2MB<<SIZE_SHFT) | \ + PCIPBAC_msi_m) +#endif +#define KORINA_CNFG21 KORINA_PBA2C +#define KORINA_PBA2M 0x18000000 +#define KORINA_CNFG22 KORINA_PBA2M +#define KORINA_PBA3C 0 +#define KORINA_CNFG23 KORINA_PBA3C +#define KORINA_PBA3M 0 +#define KORINA_CNFG24 KORINA_PBA3M + + + +#define PCITC_DTIMER_VAL 8 +#define PCITC_RTIMER_VAL 0x10 + + + + +#endif // __IDT_PCI_H__ + + + diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/rb.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/rb.h new file mode 100644 index 000000000..6800eb090 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/rb.h @@ -0,0 +1,84 @@ +/* + * Copyright (C) 2004 IDT Inc. + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ +#ifndef __MIPS_RB_H__ +#define __MIPS_RB_H__ +#include <linux/genhd.h> + +#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(0x18000000)) +#define DEV0BASE 0x010000 +#define DEV0MASK 0x010004 +#define DEV0C 0x010008 +#define DEV0TC 0x01000C +#define DEV1BASE 0x010010 +#define DEV1MASK 0x010014 +#define DEV1C 0x010018 +#define DEV1TC 0x01001C +#define DEV2BASE 0x010020 +#define DEV2MASK 0x010024 +#define DEV2C 0x010028 +#define DEV2TC 0x01002C +#define DEV3BASE 0x010030 +#define DEV3MASK 0x010034 +#define DEV3C 0x010038 +#define DEV3TC 0x01003C +#define BTCS 0x010040 +#define BTCOMPARE 0x010044 +#define GPIOFUNC 0x050000 +#define GPIOCFG 0x050004 +#define GPIOD 0x050008 +#define GPIOILEVEL 0x05000C +#define GPIOISTAT 0x050010 +#define GPIONMIEN 0x050014 +#define IMASK6 0x038038 + +#define LO_WPX (1 << 0) +#define LO_ALE (1 << 1) +#define LO_CLE (1 << 2) +#define LO_CEX (1 << 3) +#define LO_FOFF (1 << 5) +#define LO_SPICS (1 << 6) +#define LO_ULED (1 << 7) + +typedef enum { + FUNC = 0x00, + CFG = 0x04, + DATA = 0x08, + ILEVEL = 0x0c, + ISTAT = 0x10, + NMIEN = 0x14 +} gpio_func; + +extern void changeLatchU5(unsigned char orMask, unsigned char nandMask); +extern unsigned get434Reg(unsigned regOffs); +extern void set434Reg(unsigned regOffs, unsigned bit, unsigned len, unsigned val); +extern void gpio_set(gpio_func func, u32 mask, u32 value); +extern u32 gpio_get(gpio_func func); + +#define get434Reg(x) (*(volatile unsigned *) (IDT434_REG_BASE + (x))) + +struct korina_device { + char *name; + unsigned char mac[6]; + struct net_device *dev; +}; + +struct cf_device { + int gpio_pin; + void *dev; + struct gendisk *gd; +}; + +#endif diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/rc32434.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/rc32434.h new file mode 100644 index 000000000..f3e53e433 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/rc32434.h @@ -0,0 +1,121 @@ +/* + *************************************************************************** + * Definitions for IDT RC323434 CPU. + * + **************************************************************************** + * Kiran Rao + * + * Original form + **************************************************************************** + * P. Sadik Oct 08, 2003 + * + * Started revision history + * Made IDT_BUS_FREQ a kernel configuration parameter + **************************************************************************** + * P. Sadik Oct 10, 2003 + * + * Removed IDT_BUS_FREQ, since this parameter is no longer required. Instead + * idt_cpu_freq is used everywhere + **************************************************************************** + * P. Sadik Oct 20, 2003 + * + * Removed RC32434_BASE_BAUD + **************************************************************************** +*/ +#ifndef _RC32434_H_ +#define _RC32434_H_ + +#include <linux/autoconf.h> +#include <linux/delay.h> +#include <asm/io.h> + +#define RC32434_REG_BASE 0x18000000 + +#define interrupt ((volatile INT_t ) INT0_VirtualAddress) + + +#define IDT_CLOCK_MULT 2 +#define MIPS_CPU_TIMER_IRQ 7 +/* Interrupt Controller */ +#define IC_GROUP0_PEND (RC32434_REG_BASE + 0x38000) +#define IC_GROUP0_MASK (RC32434_REG_BASE + 0x38008) +#define IC_GROUP_OFFSET 0x0C + +#define NUM_INTR_GROUPS 5 +/* 16550 UARTs */ + +#define GROUP0_IRQ_BASE 8 /* GRP2 IRQ numbers start here */ +#define GROUP1_IRQ_BASE (GROUP0_IRQ_BASE + 32) /* GRP3 IRQ numbers start here */ +#define GROUP2_IRQ_BASE (GROUP1_IRQ_BASE + 32) /* GRP4 IRQ numbers start here */ +#define GROUP3_IRQ_BASE (GROUP2_IRQ_BASE + 32) /* GRP5 IRQ numbers start here */ +#define GROUP4_IRQ_BASE (GROUP3_IRQ_BASE + 32) + + +#ifdef __MIPSEB__ +#define RC32434_UART0_BASE (RC32434_REG_BASE + 0x58003) +#else +#define RC32434_UART0_BASE (RC32434_REG_BASE + 0x58000) +#endif + +#define RC32434_UART0_IRQ GROUP3_IRQ_BASE + 0 +// #define EB434_UART1_IRQ GROUP4_IRQ_BASE + 11 + +#define local_readl(addr) __raw_readl(addr) +#define local_writel(l,addr) __raw_writel(l,addr) + +/* cpu pipeline flush */ +static inline void rc32434_sync(void) +{ + __asm__ volatile ("sync"); +} + +static inline void rc32434_sync_udelay(int us) +{ + __asm__ volatile ("sync"); + udelay(us); +} + +static inline void rc32434_sync_delay(int ms) +{ + __asm__ volatile ("sync"); + mdelay(ms); +} + +/* + * C access to CLZ and CLO instructions + * (count leading zeroes/ones). + */ +static inline int rc32434_clz(unsigned long val) +{ + int ret; + __asm__ volatile ( + ".set\tnoreorder\n\t" + ".set\tnoat\n\t" + ".set\tmips32\n\t" + "clz\t%0,%1\n\t" + ".set\tmips0\n\t" + ".set\tat\n\t" + ".set\treorder" + : "=r" (ret) + : "r" (val)); + + return ret; +} +static inline int rc32434_clo(unsigned long val) +{ + int ret; + __asm__ volatile ( + ".set\tnoreorder\n\t" + ".set\tnoat\n\t" + ".set\tmips32\n\t" + "clo\t%0,%1\n\t" + ".set\tmips0\n\t" + ".set\tat\n\t" + ".set\treorder" + : "=r" (ret) + : "r" (val)); + + return ret; +} + +#endif /* _RC32434_H_ */ diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/war.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/war.h new file mode 100644 index 000000000..3ddf187e9 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/war.h @@ -0,0 +1,25 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org> + */ +#ifndef __ASM_MIPS_MACH_MIPS_WAR_H +#define __ASM_MIPS_MACH_MIPS_WAR_H + +#define R4600_V1_INDEX_ICACHEOP_WAR 0 +#define R4600_V1_HIT_CACHEOP_WAR 0 +#define R4600_V2_HIT_CACHEOP_WAR 0 +#define R5432_CP0_INTERRUPT_WAR 0 +#define BCM1250_M3_WAR 0 +#define SIBYTE_1956_WAR 0 +#define MIPS4K_ICACHE_REFILL_WAR 1 +#define MIPS_CACHE_SYNC_WAR 0 +#define TX49XX_ICACHE_INDEX_INV_WAR 0 +#define RM9000_CDEX_SMP_WAR 0 +#define ICACHE_REFILLS_WORKAROUND_WAR 0 +#define R10000_LLSC_WAR 0 +#define MIPS34K_MISSED_ITLB_WAR 0 + +#endif /* __ASM_MIPS_MACH_MIPS_WAR_H */ diff --git a/target/linux/rb532/files/include/asm-mips/rc32434/war.h b/target/linux/rb532/files/include/asm-mips/rc32434/war.h new file mode 100644 index 000000000..3ddf187e9 --- /dev/null +++ b/target/linux/rb532/files/include/asm-mips/rc32434/war.h @@ -0,0 +1,25 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org> + */ +#ifndef __ASM_MIPS_MACH_MIPS_WAR_H +#define __ASM_MIPS_MACH_MIPS_WAR_H + +#define R4600_V1_INDEX_ICACHEOP_WAR 0 +#define R4600_V1_HIT_CACHEOP_WAR 0 +#define R4600_V2_HIT_CACHEOP_WAR 0 +#define R5432_CP0_INTERRUPT_WAR 0 +#define BCM1250_M3_WAR 0 +#define SIBYTE_1956_WAR 0 +#define MIPS4K_ICACHE_REFILL_WAR 1 +#define MIPS_CACHE_SYNC_WAR 0 +#define TX49XX_ICACHE_INDEX_INV_WAR 0 +#define RM9000_CDEX_SMP_WAR 0 +#define ICACHE_REFILLS_WORKAROUND_WAR 0 +#define R10000_LLSC_WAR 0 +#define MIPS34K_MISSED_ITLB_WAR 0 + +#endif /* __ASM_MIPS_MACH_MIPS_WAR_H */ diff --git a/target/linux/rb532/patches-2.6.24/100-rb5xx_support.patch b/target/linux/rb532/patches-2.6.24/100-rb5xx_support.patch new file mode 100644 index 000000000..081eced2b --- /dev/null +++ b/target/linux/rb532/patches-2.6.24/100-rb5xx_support.patch @@ -0,0 +1,101 @@ +diff -urN linux-2.6.24.7/arch/mips/Kconfig linux-2.6.24.7.new/arch/mips/Kconfig +--- linux-2.6.24.7/arch/mips/Kconfig 2008-05-07 01:22:34.000000000 +0200 ++++ linux-2.6.24.7.new/arch/mips/Kconfig 2008-07-15 15:29:51.000000000 +0200 +@@ -687,6 +687,23 @@ + This enables support for the Wind River MIPS32 4KC PPMC evaluation + board, which is based on GT64120 bridge chip. + ++config MIKROTIK_RB500 ++ bool "Support for RB5xx boards" ++ select HW_HAS_PCI ++ select CEVT_R4K ++ select CSRC_R4K ++ select IRQ_CPU ++ select SYS_HAS_CPU_MIPS32_R1 ++ select SYS_SUPPORTS_LITTLE_ENDIAN ++ select SYS_SUPPORTS_32BIT_KERNEL ++ select SWAP_IO_SPACE ++ select DMA_NONCOHERENT ++ select GENERIC_GPIO ++ help ++ Support the Mikrotik(tm) Routerboard 500 series, ++ such as the RB532. ++ ++ + endchoice + + source "arch/mips/au1000/Kconfig" +@@ -967,6 +982,7 @@ + default "4" if MACH_DECSTATION + default "7" if SGI_IP27 || SNI_RM + default "4" if PMC_MSP4200_EVAL ++ default "4" if MIKROTIK_RB500 + default "5" + + config HAVE_STD_PC_SERIAL_PORT +diff -urN linux-2.6.24.7/arch/mips/Makefile linux-2.6.24.7.new/arch/mips/Makefile +--- linux-2.6.24.7/arch/mips/Makefile 2008-07-15 15:27:55.000000000 +0200 ++++ linux-2.6.24.7.new/arch/mips/Makefile 2008-07-15 15:30:21.000000000 +0200 +@@ -297,6 +297,13 @@ + cflags-$(CONFIG_LEMOTE_FULONG) += -Iinclude/asm-mips/mach-lemote + + # ++# Routerboard 532 board ++# ++core-$(CONFIG_MIKROTIK_RB500) += arch/mips/rb500/ ++cflags-$(CONFIG_MIKROTIK_RB500) += -Iinclude/asm-mips/rc32434 ++load-$(CONFIG_MIKROTIK_RB500) += 0xffffffff80101000 ++ ++# + # For all MIPS, Inc. eval boards + # + core-$(CONFIG_MIPS_BOARDS_GEN) += arch/mips/mips-boards/generic/ +diff -urN linux-2.6.24.7/arch/mips/pci/Makefile linux-2.6.24.7.new/arch/mips/pci/Makefile +--- linux-2.6.24.7/arch/mips/pci/Makefile 2008-05-07 01:22:34.000000000 +0200 ++++ linux-2.6.24.7.new/arch/mips/pci/Makefile 2008-07-15 15:30:46.000000000 +0200 +@@ -48,3 +48,4 @@ + obj-$(CONFIG_VICTOR_MPC30X) += fixup-mpc30x.o + obj-$(CONFIG_ZAO_CAPCELLA) += fixup-capcella.o + obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o ++obj-$(CONFIG_MIKROTIK_RB500) += pci-rc32434.o ops-rc32434.o fixup-rb500.o +diff -urN linux-2.6.24.7/drivers/pci/Makefile linux-2.6.24.7.new/drivers/pci/Makefile +--- linux-2.6.24.7/drivers/pci/Makefile 2008-05-07 01:22:34.000000000 +0200 ++++ linux-2.6.24.7.new/drivers/pci/Makefile 2008-07-15 15:31:20.000000000 +0200 +@@ -35,6 +35,7 @@ + obj-$(CONFIG_PPC64) += setup-bus.o + obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o + obj-$(CONFIG_X86_VISWS) += setup-irq.o ++obj-$(CONFIG_MIKROTIK_RB500) += setup-irq.o + + # + # ACPI Related PCI FW Functions +diff -urN linux-2.6.24.7/include/asm-mips/bootinfo.h linux-2.6.24.7.new/include/asm-mips/bootinfo.h +--- linux-2.6.24.7/include/asm-mips/bootinfo.h 2008-05-07 01:22:34.000000000 +0200 ++++ linux-2.6.24.7.new/include/asm-mips/bootinfo.h 2008-07-15 15:32:06.000000000 +0200 +@@ -198,6 +198,14 @@ + #define MACH_GROUP_BRCM 23 /* Broadcom */ + #define MACH_BCM47XX 1 /* Broadcom BCM47XX */ + ++ ++/* ++ * Valid machtype for group Mikrotik ++ */ ++#define MACH_GROUP_MIKROTIK 29 /* Mikrotik Boards */ ++#define MACH_MIKROTIK_RB532 0 /* Mikrotik RouterBoard 532 */ ++#define MACH_MIKROTIK_RB532A 1 /* Mikrotik RouterBoard 532A */ ++ + #define CL_SIZE COMMAND_LINE_SIZE + + const char *get_system_type(void); +diff -urN linux-2.6.24.7/include/asm-mips/cpu.h linux-2.6.24.7.new/include/asm-mips/cpu.h +--- linux-2.6.24.7/include/asm-mips/cpu.h 2008-05-07 01:22:34.000000000 +0200 ++++ linux-2.6.24.7.new/include/asm-mips/cpu.h 2008-07-15 15:32:22.000000000 +0200 +@@ -196,7 +196,7 @@ + */ + CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_74K, CPU_AU1000, + CPU_AU1100, CPU_AU1200, CPU_AU1500, CPU_AU1550, CPU_PR4450, +- CPU_BCM3302, CPU_BCM4710, ++ CPU_BCM3302, CPU_BCM4710, CPU_RC32300, + + /* + * MIPS64 class processors diff --git a/target/linux/rb532/patches-2.6.24/110-korina_ethernet.patch b/target/linux/rb532/patches-2.6.24/110-korina_ethernet.patch new file mode 100644 index 000000000..acfba6c00 --- /dev/null +++ b/target/linux/rb532/patches-2.6.24/110-korina_ethernet.patch @@ -0,0 +1,31 @@ +Index: linux-2.6.23.17/drivers/net/Kconfig +=================================================================== +--- linux-2.6.23.17.orig/drivers/net/Kconfig ++++ linux-2.6.23.17/drivers/net/Kconfig +@@ -348,6 +348,13 @@ config AX88796 + AX88796 driver, using platform bus to provide + chip detection and resources + ++config KORINA ++ tristate "Korina Local Ethernet support" ++ depends on NET_ETHERNET && ( IDT_EB434 || MIKROTIK_RB500) ++ help ++ IDT RC32434 has one local ethernet port. Say Y here to enable it. ++ To compile this driver as a module, choose M here. ++ + config MACE + tristate "MACE (Power Mac ethernet) support" + depends on PPC_PMAC && PPC32 +Index: linux-2.6.23.17/drivers/net/Makefile +=================================================================== +--- linux-2.6.23.17.orig/drivers/net/Makefile ++++ linux-2.6.23.17/drivers/net/Makefile +@@ -25,6 +25,8 @@ ucc_geth_driver-objs := ucc_geth.o ucc_g + # + obj-$(CONFIG_PLIP) += plip.o + ++obj-$(CONFIG_KORINA) += korina.o ++ + obj-$(CONFIG_ROADRUNNER) += rrunner.o + + obj-$(CONFIG_HAPPYMEAL) += sunhme.o diff --git a/target/linux/rb532/patches-2.6.24/120-cf.patch b/target/linux/rb532/patches-2.6.24/120-cf.patch new file mode 100644 index 000000000..522195e45 --- /dev/null +++ b/target/linux/rb532/patches-2.6.24/120-cf.patch @@ -0,0 +1,31 @@ +Index: linux-2.6.23.17/drivers/block/Kconfig +=================================================================== +--- linux-2.6.23.17.orig/drivers/block/Kconfig ++++ linux-2.6.23.17/drivers/block/Kconfig +@@ -426,6 +426,14 @@ config SUNVDC + Support for virtual disk devices as a client under Sun + Logical Domains. + ++config BLK_DEV_CF_MIPS ++ bool "CF slot of RB532 board" ++ depends on MIKROTIK_RB500 ++ default y ++ help ++ The Routerboard 532 has a CF slot on it. Enable the special block ++ device driver for it. ++ + source "drivers/s390/block/Kconfig" + + config XILINX_SYSACE +Index: linux-2.6.23.17/drivers/block/Makefile +=================================================================== +--- linux-2.6.23.17.orig/drivers/block/Makefile ++++ linux-2.6.23.17/drivers/block/Makefile +@@ -21,6 +21,7 @@ obj-$(CONFIG_BLK_DEV_DAC960) += DAC960.o + obj-$(CONFIG_XILINX_SYSACE) += xsysace.o + obj-$(CONFIG_CDROM_PKTCDVD) += pktcdvd.o + obj-$(CONFIG_SUNVDC) += sunvdc.o ++obj-$(CONFIG_BLK_DEV_CF_MIPS) += rb500/ + + obj-$(CONFIG_BLK_DEV_UMEM) += umem.o + obj-$(CONFIG_BLK_DEV_NBD) += nbd.o diff --git a/target/linux/rb532/patches-2.6.24/140-cmdline_hack.patch b/target/linux/rb532/patches-2.6.24/140-cmdline_hack.patch new file mode 100644 index 000000000..1e01e953e --- /dev/null +++ b/target/linux/rb532/patches-2.6.24/140-cmdline_hack.patch @@ -0,0 +1,15 @@ +Index: linux-2.6.23.17/arch/mips/kernel/head.S +=================================================================== +--- linux-2.6.23.17.orig/arch/mips/kernel/head.S ++++ linux-2.6.23.17/arch/mips/kernel/head.S +@@ -132,6 +132,10 @@ + + j kernel_entry + nop ++ ++EXPORT(_image_cmdline) ++ .ascii "CMDLINE:" ++ + #ifndef CONFIG_NO_EXCEPT_FILL + /* + * Reserved space for exception handlers. diff --git a/target/linux/rb532/patches-2.6.24/200-bridge_resource_hack.patch b/target/linux/rb532/patches-2.6.24/200-bridge_resource_hack.patch new file mode 100644 index 000000000..707935539 --- /dev/null +++ b/target/linux/rb532/patches-2.6.24/200-bridge_resource_hack.patch @@ -0,0 +1,15 @@ +Index: linux-2.6.23.17/arch/mips/pci/pci.c +=================================================================== +--- linux-2.6.23.17.orig/arch/mips/pci/pci.c ++++ linux-2.6.23.17/arch/mips/pci/pci.c +@@ -64,8 +64,10 @@ pcibios_align_resource(void *data, struc + /* + * Put everything into 0x00-0xff region modulo 0x400 + */ ++#ifndef CONFIG_MIKROTIK_RB500 + if (start & 0x300) + start = (start + 0x3ff) & ~0x3ff; ++#endif + } else if (res->flags & IORESOURCE_MEM) { + /* Make sure we start at our min on all hoses */ + if (start < PCIBIOS_MIN_MEM + hose->mem_resource->start) diff --git a/target/linux/rb532/patches-2.6.24/220-serial_fix.patch b/target/linux/rb532/patches-2.6.24/220-serial_fix.patch new file mode 100644 index 000000000..4af6620fb --- /dev/null +++ b/target/linux/rb532/patches-2.6.24/220-serial_fix.patch @@ -0,0 +1,18 @@ +Index: linux-2.6.23.17/drivers/serial/8250.c +=================================================================== +--- linux-2.6.23.17.orig/drivers/serial/8250.c ++++ linux-2.6.23.17/drivers/serial/8250.c +@@ -433,6 +433,13 @@ serial_out(struct uart_8250_port *up, in + default: + outb(value, up->port.iobase + offset); + } ++ ++#if defined(CONFIG_IDT_EB434) || defined(CONFIG_MIKROTIK_RB500) ++ __SLOW_DOWN_IO; ++ __SLOW_DOWN_IO; ++ __SLOW_DOWN_IO; ++ __SLOW_DOWN_IO; ++#endif + } + + static void diff --git a/target/linux/rb532/patches-2.6.24/240-via_rhine_performance.patch b/target/linux/rb532/patches-2.6.24/240-via_rhine_performance.patch new file mode 100644 index 000000000..d82b6f705 --- /dev/null +++ b/target/linux/rb532/patches-2.6.24/240-via_rhine_performance.patch @@ -0,0 +1,100 @@ +Index: linux-2.6.23.17/drivers/net/via-rhine.c +=================================================================== +--- linux-2.6.23.17.orig/drivers/net/via-rhine.c ++++ linux-2.6.23.17/drivers/net/via-rhine.c +@@ -33,6 +33,8 @@ + #define DRV_VERSION "1.4.3" + #define DRV_RELDATE "2007-03-06" + ++#define PKT_ALIGN 1 ++ + + /* A few user-configurable values. + These may be modified when a driver module is loaded. */ +@@ -40,6 +42,7 @@ + static int debug = 1; /* 1 normal messages, 0 quiet .. 7 verbose. */ + static int max_interrupt_work = 20; + ++#ifndef PKT_ALIGN + /* Set the copy breakpoint for the copy-only-tiny-frames scheme. + Setting to > 1518 effectively disables this feature. */ + #if defined(__alpha__) || defined(__arm__) || defined(__hppa__) \ +@@ -49,6 +52,7 @@ static int rx_copybreak = 1518; + #else + static int rx_copybreak; + #endif ++#endif /* PKT_ALIGN */ + + /* Work-around for broken BIOSes: they are unable to get the chip back out of + power state D3 so PXE booting fails. bootparam(7): via-rhine.avoid_D3=1 */ +@@ -111,6 +115,7 @@ static const int multicast_filter_limit + #include <asm/io.h> + #include <asm/irq.h> + #include <asm/uaccess.h> ++#include <asm/unaligned.h> + #include <linux/dmi.h> + + /* These identify the driver base version and may not be removed. */ +@@ -130,12 +135,14 @@ MODULE_LICENSE("GPL"); + + module_param(max_interrupt_work, int, 0); + module_param(debug, int, 0); +-module_param(rx_copybreak, int, 0); + module_param(avoid_D3, bool, 0); + MODULE_PARM_DESC(max_interrupt_work, "VIA Rhine maximum events handled per interrupt"); + MODULE_PARM_DESC(debug, "VIA Rhine debug level (0-7)"); +-MODULE_PARM_DESC(rx_copybreak, "VIA Rhine copy breakpoint for copy-only-tiny-frames"); + MODULE_PARM_DESC(avoid_D3, "Avoid power state D3 (work-around for broken BIOSes)"); ++#ifndef PKT_ALIGN ++module_param(rx_copybreak, int, 0); ++MODULE_PARM_DESC(rx_copybreak, "VIA Rhine copy breakpoint for copy-only-tiny-frames"); ++#endif + + /* + Theory of Operation +@@ -927,7 +934,7 @@ static void alloc_rbufs(struct net_devic + + /* Fill in the Rx buffers. Handle allocation failure gracefully. */ + for (i = 0; i < RX_RING_SIZE; i++) { +- struct sk_buff *skb = dev_alloc_skb(rp->rx_buf_sz); ++ struct sk_buff *skb = dev_alloc_skb(rp->rx_buf_sz + 4); + rp->rx_skbuff[i] = skb; + if (skb == NULL) + break; +@@ -1484,7 +1491,9 @@ static int rhine_rx(struct net_device *d + struct sk_buff *skb; + /* Length should omit the CRC */ + int pkt_len = data_size - 4; +- ++#ifdef PKT_ALIGN ++ int i; ++#else + /* Check if the packet is long enough to accept without + copying to a minimally-sized skbuff. */ + if (pkt_len < rx_copybreak && +@@ -1503,7 +1512,9 @@ static int rhine_rx(struct net_device *d + rp->rx_skbuff_dma[entry], + rp->rx_buf_sz, + PCI_DMA_FROMDEVICE); +- } else { ++ } else ++#endif ++ { + skb = rp->rx_skbuff[entry]; + if (skb == NULL) { + printk(KERN_ERR "%s: Inconsistent Rx " +@@ -1517,6 +1528,14 @@ static int rhine_rx(struct net_device *d + rp->rx_skbuff_dma[entry], + rp->rx_buf_sz, + PCI_DMA_FROMDEVICE); ++#ifdef PKT_ALIGN ++ /* align the data to the ip header - should be faster than copying the entire packet */ ++ for (i = pkt_len - (pkt_len % 4); i >= 0; i -= 4) { ++ put_unaligned(*((u32 *) (skb->data + i)), (u32 *) (skb->data + i + 2)); ++ } ++ skb->data += 2; ++ skb->tail += 2; ++#endif + } + skb->protocol = eth_type_trans(skb, dev); + #ifdef CONFIG_VIA_RHINE_NAPI diff --git a/target/linux/rb532/patches-2.6.24/510-rb500_led.patch b/target/linux/rb532/patches-2.6.24/510-rb500_led.patch new file mode 100644 index 000000000..6cd7b1a1c --- /dev/null +++ b/target/linux/rb532/patches-2.6.24/510-rb500_led.patch @@ -0,0 +1,27 @@ +diff -urN linux-2.6.24.7/drivers/leds/Kconfig linux-2.6.24.7.new/drivers/leds/Kconfig +--- linux-2.6.24.7/drivers/leds/Kconfig 2008-07-15 15:27:55.000000000 +0200 ++++ linux-2.6.24.7.new/drivers/leds/Kconfig 2008-07-15 15:35:24.000000000 +0200 +@@ -120,6 +120,12 @@ + help + This option enables support for the CM-X270 LEDs. + ++config LEDS_RB500 ++ tristate "LED Support for RB5xx boards" ++ depends on LEDS_CLASS && MIKROTIK_RB500 ++ help ++ This option enables support for the yellow user LED on RB5xx boards. ++ + comment "LED Triggers" + + config LEDS_TRIGGERS +diff -urN linux-2.6.24.7/drivers/leds/Makefile linux-2.6.24.7.new/drivers/leds/Makefile +--- linux-2.6.24.7/drivers/leds/Makefile 2008-07-15 15:27:55.000000000 +0200 ++++ linux-2.6.24.7.new/drivers/leds/Makefile 2008-07-15 15:35:38.000000000 +0200 +@@ -20,6 +20,7 @@ + obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o + obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o + obj-$(CONFIG_LEDS_CM_X270) += leds-cm-x270.o ++obj-$(CONFIG_LEDS_RB500) += leds-rb500.o + + # LED Triggers + obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o diff --git a/target/linux/rb532/patches-2.6.24/520-rc32434_wdt.patch b/target/linux/rb532/patches-2.6.24/520-rc32434_wdt.patch new file mode 100644 index 000000000..6e2623704 --- /dev/null +++ b/target/linux/rb532/patches-2.6.24/520-rc32434_wdt.patch @@ -0,0 +1,33 @@ +diff -urN linux-2.6.24.7/arch/mips/kernel/time.c linux-2.6.24.7.new/arch/mips/kernel/time.c +--- linux-2.6.24.7/arch/mips/kernel/time.c 2008-05-07 01:22:34.000000000 +0200 ++++ linux-2.6.24.7.new/arch/mips/kernel/time.c 2008-07-15 15:38:33.000000000 +0200 +@@ -75,6 +75,7 @@ + */ + + unsigned int mips_hpt_frequency; ++EXPORT_SYMBOL(mips_hpt_frequency); + + void __init clocksource_set_clock(struct clocksource *cs, unsigned int clock) + { +diff -urN linux-2.6.24.7/drivers/watchdog/Kconfig linux-2.6.24.7.new/drivers/watchdog/Kconfig +--- linux-2.6.24.7/drivers/watchdog/Kconfig 2008-05-07 01:22:34.000000000 +0200 ++++ linux-2.6.24.7.new/drivers/watchdog/Kconfig 2008-07-15 15:39:24.000000000 +0200 +@@ -639,6 +639,18 @@ + help + Hardware driver for the TI AR7 Watchdog Timer. + ++config RC32434_WDT ++ tristate "IDT Interprise 79RC32434 SoC hardware watchdog" ++ depends on WATCHDOG && MIKROTIK_RB500 ++ help ++ This is a driver for hardware watchdog integrated in IDT Interprise ++ 79RC32434 SoC. This watchdog simply watches your kernel to make sure ++ it doesn't freeze, and if it does, it reboots your computer after a ++ certain amount of time. ++ ++ To compile this driver as a module, choose M here: the module will be ++ called rc32434_wdt. ++ + # PARISC Architecture + + # POWERPC Architecture diff --git a/target/linux/rb532/patches-2.6.24/530-no_panic_pci_iomap.patch b/target/linux/rb532/patches-2.6.24/530-no_panic_pci_iomap.patch new file mode 100644 index 000000000..a37b190df --- /dev/null +++ b/target/linux/rb532/patches-2.6.24/530-no_panic_pci_iomap.patch @@ -0,0 +1,12 @@ +diff -urN linux-2.6.24.7/arch/mips/lib/iomap-pci.c linux-2.6.24.7.new/arch/mips/lib/iomap-pci.c +--- linux-2.6.24.7/arch/mips/lib/iomap-pci.c 2008-05-07 01:22:34.000000000 +0200 ++++ linux-2.6.24.7.new/arch/mips/lib/iomap-pci.c 2008-07-15 16:24:22.000000000 +0200 +@@ -32,7 +32,7 @@ + "report it to linux-mips@linux-mips.org or your " + "vendor.\n", name); + #ifdef CONFIG_PCI_DOMAINS +- panic("To avoid data corruption io_map_base MUST be set with " ++ printk(KERN_WARNING "To avoid data corruption io_map_base MUST be set with " + "multiple PCI domains."); + #endif + } |