diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/ifxmips/config-2.6.30 | 22 | ||||
| -rw-r--r-- | target/linux/ifxmips/config-2.6.32 | 161 | ||||
| -rw-r--r-- | target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c | 231 | ||||
| -rw-r--r-- | target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/gpio.h | 105 | ||||
| -rw-r--r-- | target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h | 7 | ||||
| -rw-r--r-- | target/linux/ifxmips/patches-2.6.30/100-board.patch | 25 | ||||
| -rw-r--r-- | target/linux/ifxmips/patches-2.6.30/600-ebu-gpio.patch | 196 |
7 files changed, 495 insertions, 252 deletions
diff --git a/target/linux/ifxmips/config-2.6.30 b/target/linux/ifxmips/config-2.6.30 index e41b2881b..27e4b8096 100644 --- a/target/linux/ifxmips/config-2.6.30 +++ b/target/linux/ifxmips/config-2.6.30 @@ -4,17 +4,17 @@ CONFIG_ADM6996_PHY=y # CONFIG_ARCH_HAS_ILOG2_U32 is not set # CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_ARCH_REQUIRE_GPIOLIB=y # CONFIG_ARCH_SUPPORTS_MSI is not set CONFIG_ARCH_SUPPORTS_OPROFILE=y CONFIG_ARCH_SUSPEND_POSSIBLE=y -CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y # CONFIG_BCM47XX is not set # CONFIG_BINARY_PRINTF is not set CONFIG_BITREVERSE=y # CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set # CONFIG_CAVIUM_OCTEON_SIMULATOR is not set -CONFIG_CEVT_R4K_LIB=y CONFIG_CEVT_R4K=y +CONFIG_CEVT_R4K_LIB=y CONFIG_CMDLINE="console=ttyS0,9600 rootfstype=squashfs,jffs2" CONFIG_CPU_BIG_ENDIAN=y # CONFIG_CPU_CAVIUM_OCTEON is not set @@ -23,9 +23,9 @@ CONFIG_CPU_HAS_PREFETCH=y CONFIG_CPU_HAS_SYNC=y # CONFIG_CPU_LITTLE_ENDIAN is not set # CONFIG_CPU_LOONGSON2 is not set +CONFIG_CPU_MIPS32=y # CONFIG_CPU_MIPS32_R1 is not set CONFIG_CPU_MIPS32_R2=y -CONFIG_CPU_MIPS32=y # CONFIG_CPU_MIPS64_R1 is not set # CONFIG_CPU_MIPS64_R2 is not set CONFIG_CPU_MIPSR2=y @@ -47,21 +47,24 @@ 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_LIB=y CONFIG_CSRC_R4K=y +CONFIG_CSRC_R4K_LIB=y CONFIG_DECOMPRESS_LZMA=y CONFIG_DEVPORT=y # CONFIG_DM9000 is not set CONFIG_DMA_NEED_PCI_MAP_STATE=y CONFIG_DMA_NONCOHERENT=y CONFIG_EARLY_PRINTK=y -CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_GENERIC_FIND_LAST_BIT=y CONFIG_GENERIC_FIND_NEXT_BIT=y CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_GPIOLIB=y +CONFIG_GPIO_IFXMIPS_EBU=y +CONFIG_GPIO_SYSFS=y CONFIG_HARDWARE_WATCHPOINTS=y CONFIG_HAS_DMA=y CONFIG_HAS_IOMEM=y @@ -75,15 +78,15 @@ CONFIG_HAVE_STD_PC_SERIAL_PORT=y # CONFIG_HIGH_RES_TIMERS is not set CONFIG_HW_HAS_PCI=y CONFIG_HW_RANDOM=y -# CONFIG_HZ_100 is not set CONFIG_HZ=250 +# CONFIG_HZ_100 is not set CONFIG_HZ_250=y +CONFIG_IFXMIPS=y CONFIG_IFXMIPS_GPIO_RST_BTN=y CONFIG_IFXMIPS_MII0=y # CONFIG_IFXMIPS_PROM_ASC0 is not set CONFIG_IFXMIPS_PROM_ASC1=y CONFIG_IFXMIPS_WDT=y -CONFIG_IFXMIPS=y CONFIG_INITRAMFS_SOURCE="" CONFIG_IRQ_CPU=y CONFIG_KALLSYMS=y @@ -97,6 +100,7 @@ CONFIG_LEDS_IFXMIPS=y # CONFIG_MACH_TX49XX is not set # CONFIG_MACH_VR41XX is not set # CONFIG_MIKROTIK_RB532 is not set +CONFIG_MIPS=y # CONFIG_MIPS_COBALT is not set CONFIG_MIPS_L1_CACHE_SHIFT=5 # CONFIG_MIPS_MACHINE is not set @@ -106,10 +110,8 @@ CONFIG_MIPS_MT_DISABLED=y # CONFIG_MIPS_MT_SMTC is not set # CONFIG_MIPS_SIM is not set # CONFIG_MIPS_VPE_LOADER is not set -CONFIG_MIPS=y CONFIG_MTD_CFI_ADV_OPTIONS=y CONFIG_MTD_CFI_GEOMETRY=y -# CONFIG_MTD_CFI_INTELEXT is not set CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_IFXMIPS=y # CONFIG_MTD_MAP_BANK_WIDTH_1 is not set @@ -126,6 +128,7 @@ CONFIG_PHYLIB=y # CONFIG_PNX8550_JBS is not set # CONFIG_PNX8550_STB810 is not set # CONFIG_PROBE_INITRD_HEADER is not set +CONFIG_RTL8306_PHY=y CONFIG_SCHED_OMIT_FRAME_POINTER=y # CONFIG_SCSI_DMA is not set # CONFIG_SERIAL_8250 is not set @@ -143,7 +146,6 @@ CONFIG_SERIAL_IFXMIPS=y # CONFIG_SIBYTE_SENTOSA is not set # CONFIG_SIBYTE_SWARM is not set # CONFIG_SLOW_WORK is not set -CONFIG_SQUASHFS_SUPPORT_LZMA=y CONFIG_SWAP_IO_SPACE=y CONFIG_SWCONFIG=y CONFIG_SYS_HAS_CPU_MIPS32_R1=y diff --git a/target/linux/ifxmips/config-2.6.32 b/target/linux/ifxmips/config-2.6.32 new file mode 100644 index 000000000..da094c0a0 --- /dev/null +++ b/target/linux/ifxmips/config-2.6.32 @@ -0,0 +1,161 @@ +CONFIG_32BIT=y +# CONFIG_64BIT is not set +CONFIG_ADM6996_PHY=y +# CONFIG_ALCHEMY_GPIO_INDIRECT is not set +# CONFIG_AR7 is not set +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +# CONFIG_ARCH_SUPPORTS_MSI is not set +CONFIG_ARCH_SUPPORTS_OPROFILE=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y +# CONFIG_BCM47XX is not set +# CONFIG_BCM63XX is not set +CONFIG_BITREVERSE=y +# CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set +# CONFIG_CAVIUM_OCTEON_SIMULATOR is not set +CONFIG_CEVT_R4K=y +CONFIG_CEVT_R4K_LIB=y +CONFIG_CFG80211_DEFAULT_PS_VALUE=0 +CONFIG_CMDLINE="console=ttyS0,9600 rootfstype=squashfs,jffs2" +CONFIG_CPU_BIG_ENDIAN=y +# CONFIG_CPU_CAVIUM_OCTEON is not set +CONFIG_CPU_HAS_PREFETCH=y +CONFIG_CPU_HAS_SYNC=y +# CONFIG_CPU_LITTLE_ENDIAN is not set +# CONFIG_CPU_LOONGSON2E is not set +CONFIG_CPU_MIPS32=y +# CONFIG_CPU_MIPS32_R1 is not set +CONFIG_CPU_MIPS32_R2=y +# CONFIG_CPU_MIPS64_R1 is not set +# CONFIG_CPU_MIPS64_R2 is not set +CONFIG_CPU_MIPSR2=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_R5500 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_CSRC_R4K_LIB=y +CONFIG_DECOMPRESS_LZMA=y +CONFIG_DEVPORT=y +# CONFIG_DM9000 is not set +CONFIG_DMA_NEED_PCI_MAP_STATE=y +CONFIG_DMA_NONCOHERENT=y +CONFIG_EARLY_PRINTK=y +# CONFIG_FSNOTIFY is not set +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_FIND_LAST_BIT=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_HARDWARE_WATCHPOINTS=y +CONFIG_HAS_DMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAVE_ARCH_KGDB=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_HAVE_IDE=y +CONFIG_HAVE_OPROFILE=y +CONFIG_HAVE_STD_PC_SERIAL_PORT=y +# CONFIG_HIGH_RES_TIMERS is not set +CONFIG_HW_HAS_PCI=y +CONFIG_HW_RANDOM=y +CONFIG_HZ=250 +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +CONFIG_IFXMIPS=y +CONFIG_IFXMIPS_GPIO_RST_BTN=y +CONFIG_IFXMIPS_MII0=y +# CONFIG_IFXMIPS_PROM_ASC0 is not set +CONFIG_IFXMIPS_PROM_ASC1=y +CONFIG_IFXMIPS_WDT=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_IRQ_CPU=y +CONFIG_KALLSYMS=y +CONFIG_LEDS_GPIO=y +CONFIG_LEDS_IFXMIPS=y +# CONFIG_MACH_ALCHEMY is not set +# CONFIG_MACH_DECSTATION is not set +# CONFIG_MACH_JAZZ is not set +# CONFIG_MACH_LOONGSON is not set +# CONFIG_MACH_TX39XX is not set +# CONFIG_MACH_TX49XX is not set +# CONFIG_MACH_VR41XX is not set +# CONFIG_MIKROTIK_RB532 is not set +CONFIG_MIPS=y +# CONFIG_MIPS_COBALT is not set +CONFIG_MIPS_L1_CACHE_SHIFT=5 +# CONFIG_MIPS_MACHINE is not set +# 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_SIM is not set +# CONFIG_MIPS_VPE_LOADER is not set +CONFIG_MTD_CFI_ADV_OPTIONS=y +CONFIG_MTD_CFI_GEOMETRY=y +# CONFIG_MTD_CFI_INTELEXT is not set +CONFIG_MTD_CMDLINE_PARTS=y +CONFIG_MTD_IFXMIPS=y +# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set +# CONFIG_NO_IOPORT is not set +# CONFIG_NXP_STB220 is not set +# CONFIG_NXP_STB225 is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_PCI_DOMAINS=y +CONFIG_PHYLIB=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_PROBE_INITRD_HEADER is not set +CONFIG_SCHED_OMIT_FRAME_POINTER=y +# CONFIG_SCSI_DMA is not set +# CONFIG_SERIAL_8250 is not set +CONFIG_SERIAL_IFXMIPS=y +# CONFIG_SGI_IP22 is not set +# CONFIG_SGI_IP27 is not set +# CONFIG_SGI_IP28 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_RHONE is not set +# CONFIG_SIBYTE_SENTOSA is not set +# CONFIG_SIBYTE_SWARM is not set +CONFIG_SWAP_IO_SPACE=y +CONFIG_SWCONFIG=y +CONFIG_SYS_HAS_CPU_MIPS32_R1=y +CONFIG_SYS_HAS_CPU_MIPS32_R2=y +CONFIG_SYS_HAS_EARLY_PRINTK=y +CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y +CONFIG_SYS_SUPPORTS_ARBIT_HZ=y +CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y +CONFIG_SYS_SUPPORTS_MULTITHREADING=y +# CONFIG_TC35815 is not set +CONFIG_TRAD_SIGNALS=y +# CONFIG_TREE_PREEMPT_RCU is not set +CONFIG_TREE_RCU=y +CONFIG_USB_SUPPORT=y +CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c b/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c index 3ef5100ab..1ac00ded5 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c @@ -36,6 +36,7 @@ #include <linux/platform_device.h> #include <linux/uaccess.h> #include <linux/semaphore.h> +#include <linux/gpio.h> #include <net/sock.h> @@ -44,27 +45,13 @@ #define MAX_PORTS 2 #define PINS_PER_PORT 16 -#ifdef CONFIG_IFXMIPS_GPIO_RST_BTN - -unsigned int rst_port = 1; -unsigned int rst_pin = 15; -static struct timer_list rst_button_timer; - -extern struct sock *uevent_sock; -extern u64 uevent_next_seqnum(void); -static unsigned long seen; -static int pressed; - -struct event_t { - struct work_struct wq; - int set; - unsigned long jiffies; -}; -#endif - #define IFXMIPS_GPIO_SANITY {if (port > MAX_PORTS || pin > PINS_PER_PORT) return -EINVAL; } -int ifxmips_port_reserve_pin(unsigned int port, unsigned int pin) +#define GPIO_TO_PORT(x) ((x > 15) ? (1) : (0)) +#define GPIO_TO_GPIO(x) ((x > 15) ? (x - 16) : (x)) + +int +ifxmips_port_reserve_pin(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; printk(KERN_INFO "%s : call to obseleted function\n", __func__); @@ -72,7 +59,8 @@ int ifxmips_port_reserve_pin(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_reserve_pin); -int ifxmips_port_free_pin(unsigned int port, unsigned int pin) +int +ifxmips_port_free_pin(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; printk(KERN_INFO "%s : call to obseleted function\n", __func__); @@ -80,7 +68,8 @@ int ifxmips_port_free_pin(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_free_pin); -int ifxmips_port_set_open_drain(unsigned int port, unsigned int pin) +int +ifxmips_port_set_open_drain(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) | (1 << pin), @@ -89,7 +78,8 @@ int ifxmips_port_set_open_drain(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_set_open_drain); -int ifxmips_port_clear_open_drain(unsigned int port, unsigned int pin) +int +ifxmips_port_clear_open_drain(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) & ~(1 << pin), @@ -98,7 +88,8 @@ int ifxmips_port_clear_open_drain(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_clear_open_drain); -int ifxmips_port_set_pudsel(unsigned int port, unsigned int pin) +int +ifxmips_port_set_pudsel(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) | (1 << pin), @@ -107,7 +98,8 @@ int ifxmips_port_set_pudsel(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_set_pudsel); -int ifxmips_port_clear_pudsel(unsigned int port, unsigned int pin) +int +ifxmips_port_clear_pudsel(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) & ~(1 << pin), @@ -116,7 +108,8 @@ int ifxmips_port_clear_pudsel(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_clear_pudsel); -int ifxmips_port_set_puden(unsigned int port, unsigned int pin) +int +ifxmips_port_set_puden(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) | (1 << pin), @@ -125,7 +118,8 @@ int ifxmips_port_set_puden(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_set_puden); -int ifxmips_port_clear_puden(unsigned int port, unsigned int pin) +int +ifxmips_port_clear_puden(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) & ~(1 << pin), @@ -134,7 +128,8 @@ int ifxmips_port_clear_puden(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_clear_puden); -int ifxmips_port_set_stoff(unsigned int port, unsigned int pin) +int +ifxmips_port_set_stoff(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) | (1 << pin), @@ -143,7 +138,8 @@ int ifxmips_port_set_stoff(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_set_stoff); -int ifxmips_port_clear_stoff(unsigned int port, unsigned int pin) +int +ifxmips_port_clear_stoff(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) & ~(1 << pin), @@ -152,7 +148,8 @@ int ifxmips_port_clear_stoff(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_clear_stoff); -int ifxmips_port_set_dir_out(unsigned int port, unsigned int pin) +int +ifxmips_port_set_dir_out(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) | (1 << pin), @@ -161,7 +158,8 @@ int ifxmips_port_set_dir_out(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_set_dir_out); -int ifxmips_port_set_dir_in(unsigned int port, unsigned int pin) +int +ifxmips_port_set_dir_in(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) & ~(1 << pin), @@ -170,7 +168,8 @@ int ifxmips_port_set_dir_in(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_set_dir_in); -int ifxmips_port_set_output(unsigned int port, unsigned int pin) +int +ifxmips_port_set_output(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) | (1 << pin), @@ -179,7 +178,8 @@ int ifxmips_port_set_output(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_set_output); -int ifxmips_port_clear_output(unsigned int port, unsigned int pin) +int +ifxmips_port_clear_output(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) & ~(1 << pin), @@ -188,7 +188,8 @@ int ifxmips_port_clear_output(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_clear_output); -int ifxmips_port_get_input(unsigned int port, unsigned int pin) +int +ifxmips_port_get_input(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; if (ifxmips_r32(IFXMIPS_GPIO_P0_IN + (port * 0xC)) & (1 << pin)) @@ -198,7 +199,8 @@ int ifxmips_port_get_input(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_get_input); -int ifxmips_port_set_altsel0(unsigned int port, unsigned int pin) +int +ifxmips_port_set_altsel0(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) | (1 << pin), @@ -207,7 +209,8 @@ int ifxmips_port_set_altsel0(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_set_altsel0); -int ifxmips_port_clear_altsel0(unsigned int port, unsigned int pin) +int +ifxmips_port_clear_altsel0(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) & ~(1 << pin), @@ -216,7 +219,8 @@ int ifxmips_port_clear_altsel0(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_clear_altsel0); -int ifxmips_port_set_altsel1(unsigned int port, unsigned int pin) +int +ifxmips_port_set_altsel1(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) | (1 << pin), @@ -225,7 +229,8 @@ int ifxmips_port_set_altsel1(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_set_altsel1); -int ifxmips_port_clear_altsel1(unsigned int port, unsigned int pin) +int +ifxmips_port_clear_altsel1(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) & ~(1 << pin), @@ -234,105 +239,85 @@ int ifxmips_port_clear_altsel1(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_clear_altsel1); -#ifdef CONFIG_IFXMIPS_GPIO_RST_BTN -static inline void add_msg(struct sk_buff *skb, char *msg) +static void +ifxmips_gpio_set(struct gpio_chip *chip, unsigned int offset, int value) { - char *scratch; - scratch = skb_put(skb, strlen(msg) + 1); - sprintf(scratch, msg); + int port = GPIO_TO_PORT(offset); + int gpio = GPIO_TO_GPIO(offset); + if(value) + ifxmips_port_set_output(port, gpio); + else + ifxmips_port_clear_output(port, gpio); } -static void hotplug_button(struct work_struct *wq) +static int +ifxmips_gpio_get(struct gpio_chip *chip, unsigned int offset) { - struct sk_buff *skb; - struct event_t *event; - size_t len; - char *scratch, *s; - char buf[128]; - - event = container_of(wq, struct event_t, wq); - if (!uevent_sock) - goto done; - - s = event->set ? "pressed" : "released"; - len = strlen(s) + 2; - skb = alloc_skb(len + 2048, GFP_KERNEL); - if (!skb) - goto done; - - scratch = skb_put(skb, len); - sprintf(scratch, "%s@", s); - add_msg(skb, "HOME=/"); - add_msg(skb, "PATH=/sbin:/bin:/usr/sbin:/usr/bin"); - add_msg(skb, "SUBSYSTEM=button"); - add_msg(skb, "BUTTON=reset"); - add_msg(skb, (event->set ? "ACTION=pressed" : "ACTION=released")); - sprintf(buf, "SEEN=%ld", (event->jiffies - seen)/HZ); - add_msg(skb, buf); - snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum()); - add_msg(skb, buf); - - NETLINK_CB(skb).dst_group = 1; - netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL); -done: - kfree(event); + int port = GPIO_TO_PORT(offset); + int gpio = GPIO_TO_GPIO(offset); + return ifxmips_port_get_input(port, gpio); } -static void reset_button_poll(unsigned long unused) +static int +ifxmips_gpio_direction_input(struct gpio_chip *chip, unsigned int offset) { - struct event_t *event; - - rst_button_timer.expires = jiffies + (HZ / 4); - add_timer(&rst_button_timer); - - if (pressed != ifxmips_port_get_input(rst_port, rst_pin)) { - if (pressed) - pressed = 0; - else - pressed = 1; - event = kzalloc(sizeof(struct event_t), GFP_ATOMIC); - if (!event) { - printk(KERN_INFO "Could not alloc hotplug event\n"); - return; - } - event->set = pressed; - event->jiffies = jiffies; - INIT_WORK(&event->wq, (void *)(void *)hotplug_button); - schedule_work(&event->wq); - seen = jiffies; - } + int port = GPIO_TO_PORT(offset); + int gpio = GPIO_TO_GPIO(offset); + ifxmips_port_set_open_drain(port, gpio); + ifxmips_port_clear_altsel0(port, gpio); + ifxmips_port_clear_altsel1(port, gpio); + ifxmips_port_set_dir_in(port, gpio); + return 0; } -#endif -static int ifxmips_gpio_probe(struct platform_device *dev) +static int +ifxmips_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int value) { - int retval = 0; - -#ifdef CONFIG_IFXMIPS_GPIO_RST_BTN - rst_port = dev->resource[0].start; - rst_pin = dev->resource[0].end; - ifxmips_port_set_open_drain(rst_port, rst_pin); - ifxmips_port_clear_altsel0(rst_port, rst_pin); - ifxmips_port_clear_altsel1(rst_port, rst_pin); - ifxmips_port_set_dir_in(rst_port, rst_pin); - seen = jiffies; - init_timer(&rst_button_timer); - rst_button_timer.function = reset_button_poll; - rst_button_timer.expires = jiffies + HZ; - add_timer(&rst_button_timer); -#endif - return retval; + int port = GPIO_TO_PORT(offset); + int gpio = GPIO_TO_GPIO(offset); + ifxmips_port_clear_open_drain(port, gpio); + ifxmips_port_clear_altsel0(port, gpio); + ifxmips_port_clear_altsel1(port, gpio); + ifxmips_port_set_dir_out(port, gpio); + ifxmips_gpio_set(chip, offset, value); + return 0; +} + +int +gpio_to_irq(unsigned int gpio) +{ + return -EINVAL; +} +EXPORT_SYMBOL(gpio_to_irq); + +struct gpio_chip +ifxmips_gpio_chip = +{ + .label = "ifxmips-gpio", + .direction_input = ifxmips_gpio_direction_input, + .direction_output = ifxmips_gpio_direction_output, + .get = ifxmips_gpio_get, + .set = ifxmips_gpio_set, + .base = 0, + .ngpio = 32, +}; + +static int +ifxmips_gpio_probe(struct platform_device *dev) +{ + gpiochip_add(&ifxmips_gpio_chip); + return 0; } -static int ifxmips_gpio_remove(struct platform_device *pdev) +static int +ifxmips_gpio_remove(struct platform_device *pdev) { -#ifdef CONFIG_IFXMIPS_GPIO_RST_BTN - del_timer_sync(&rst_button_timer); -#endif + gpiochip_remove(&ifxmips_gpio_chip); return 0; } -static struct platform_driver ifxmips_gpio_driver = { +static struct platform_driver +ifxmips_gpio_driver = { .probe = ifxmips_gpio_probe, .remove = ifxmips_gpio_remove, .driver = { @@ -341,7 +326,8 @@ static struct platform_driver ifxmips_gpio_driver = { }, }; -int __init ifxmips_gpio_init(void) +int __init +ifxmips_gpio_init(void) { int ret = platform_driver_register(&ifxmips_gpio_driver); if (ret) @@ -349,7 +335,8 @@ int __init ifxmips_gpio_init(void) return ret; } -void __exit ifxmips_gpio_exit(void) +void __exit +ifxmips_gpio_exit(void) { platform_driver_unregister(&ifxmips_gpio_driver); } diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/gpio.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/gpio.h deleted file mode 100644 index 4176bfd80..000000000 --- a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/gpio.h +++ /dev/null @@ -1,105 +0,0 @@ -/* - * include/asm-mips/mach-ifxmips/gpio.h - * - * 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. - * - * 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. - * - * Copyright (C) 2007 John Crispin <blogic@openwrt.org> - * - */ - -#ifndef _IFXMIPS_GPIO_H_ -#define _IFXMIPS_GPIO_H_ - -#include <ifxmips.h> -#include <ifxmips_gpio.h> - -#define GPIO_TO_PORT(x) ((x > 15) ? (1) : (0)) -#define GPIO_TO_GPIO(x) ((x > 15) ? (x-16) : (x)) - -static inline int gpio_direction_input(unsigned gpio) -{ - ifxmips_port_set_open_drain(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); - ifxmips_port_clear_altsel0(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); - ifxmips_port_clear_altsel1(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); - ifxmips_port_set_dir_in(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); - return 0; -} - -static inline int gpio_direction_output(unsigned gpio, int value) -{ - ifxmips_port_clear_open_drain(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); - ifxmips_port_clear_altsel0(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); - ifxmips_port_clear_altsel1(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); - ifxmips_port_set_dir_out(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); - return 0; -} - -static inline int gpio_get_value(unsigned gpio) -{ - ifxmips_port_get_input(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); - return 0; -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - if (value) - ifxmips_port_set_output(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio)); - else - ifxmips_port_clear_output(GPIO_TO_PORT(gpio), - GPIO_TO_GPIO(gpio)); -} - -static inline int gpio_request(unsigned gpio, const char *label) -{ - return 0; -} - -static inline void gpio_free(unsigned gpio) -{ -} - -static inline int gpio_to_irq(unsigned gpio) -{ - return 0; -} - -static inline int irq_to_gpio(unsigned irq) -{ - return 0; -} - -static inline int gpio_cansleep(unsigned gpio) -{ - return 0; -} - -static inline int gpio_get_value_cansleep(unsigned gpio) -{ - might_sleep(); - return gpio_get_value(gpio); -} - -static inline void gpio_set_value_cansleep(unsigned gpio, int value) -{ - might_sleep(); - gpio_set_value(gpio, value); -} - -static inline int gpio_is_valid(int number) -{ - return ((unsigned)number) < 32; -} - -#endif diff --git a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h index f3cb99c2b..e6ca59baf 100644 --- a/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h +++ b/target/linux/ifxmips/files/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h @@ -66,8 +66,11 @@ #define IFXMIPS_PPE_MBOX_INT (INT_NUM_IM2_IRL0 + 24) -#define IFXMIPS_USB_INT (INT_NUM_IM4_IRL0 + 22) -#define IFXMIPS_USB_OC_INT (INT_NUM_IM4_IRL0 + 23) +#define INT_NUM_IM4_IRL14 (INT_NUM_IM4_IRL0 + 14) +#define INT_NUM_IM4_IRL18 (INT_NUM_IM4_IRL0 + 18) +#define INT_NUM_IM4_IRL19 (INT_NUM_IM4_IRL0 + 19) +#define IFXMIPS_USB_INT (INT_NUM_IM4_IRL0 + 22) +#define IFXMIPS_USB_OC_INT (INT_NUM_IM4_IRL0 + 23) extern void ifxmips_mask_and_ack_irq(unsigned int irq_nr); diff --git a/target/linux/ifxmips/patches-2.6.30/100-board.patch b/target/linux/ifxmips/patches-2.6.30/100-board.patch index 16272698e..5e7530ecd 100644 --- a/target/linux/ifxmips/patches-2.6.30/100-board.patch +++ b/target/linux/ifxmips/patches-2.6.30/100-board.patch @@ -1,8 +1,8 @@ -Index: linux-2.6.30.5/arch/mips/Kconfig +Index: linux-2.6.30.10/arch/mips/Kconfig =================================================================== ---- linux-2.6.30.5.orig/arch/mips/Kconfig 2009-09-02 22:12:48.000000000 +0200 -+++ linux-2.6.30.5/arch/mips/Kconfig 2009-09-03 01:18:31.000000000 +0200 -@@ -79,6 +79,24 @@ +--- linux-2.6.30.10.orig/arch/mips/Kconfig 2010-03-24 15:32:02.000000000 +0100 ++++ linux-2.6.30.10/arch/mips/Kconfig 2010-03-24 21:56:29.000000000 +0100 +@@ -79,6 +79,23 @@ select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN @@ -20,14 +20,13 @@ Index: linux-2.6.30.5/arch/mips/Kconfig + select SYS_SUPPORTS_MULTITHREADING + select SYS_HAS_EARLY_PRINTK + select HW_HAS_PCI -+ select GENERIC_GPIO -+ select ARCH_WANT_OPTIONAL_GPIOLIB ++ select ARCH_REQUIRE_GPIOLIB + select SWAP_IO_SPACE + config MACH_DECSTATION bool "DECstations" select BOOT_ELF32 -@@ -643,6 +661,7 @@ +@@ -643,6 +660,7 @@ source "arch/mips/txx9/Kconfig" source "arch/mips/vr41xx/Kconfig" source "arch/mips/cavium-octeon/Kconfig" @@ -35,10 +34,10 @@ Index: linux-2.6.30.5/arch/mips/Kconfig endmenu -Index: linux-2.6.30.5/arch/mips/Makefile +Index: linux-2.6.30.10/arch/mips/Makefile =================================================================== ---- linux-2.6.30.5.orig/arch/mips/Makefile 2009-09-02 22:12:48.000000000 +0200 -+++ linux-2.6.30.5/arch/mips/Makefile 2009-09-02 22:12:53.000000000 +0200 +--- linux-2.6.30.10.orig/arch/mips/Makefile 2010-03-24 15:32:02.000000000 +0100 ++++ linux-2.6.30.10/arch/mips/Makefile 2010-03-24 15:32:04.000000000 +0100 @@ -290,6 +290,13 @@ load-$(CONFIG_MIPS_COBALT) += 0xffffffff80080000 @@ -53,10 +52,10 @@ Index: linux-2.6.30.5/arch/mips/Makefile # DECstation family # core-$(CONFIG_MACH_DECSTATION) += arch/mips/dec/ -Index: linux-2.6.30.5/arch/mips/include/asm/bootinfo.h +Index: linux-2.6.30.10/arch/mips/include/asm/bootinfo.h =================================================================== ---- linux-2.6.30.5.orig/arch/mips/include/asm/bootinfo.h 2009-09-02 22:12:48.000000000 +0200 -+++ linux-2.6.30.5/arch/mips/include/asm/bootinfo.h 2009-09-02 22:13:05.000000000 +0200 +--- linux-2.6.30.10.orig/arch/mips/include/asm/bootinfo.h 2009-12-04 07:00:07.000000000 +0100 ++++ linux-2.6.30.10/arch/mips/include/asm/bootinfo.h 2010-03-24 15:32:04.000000000 +0100 @@ -57,6 +57,8 @@ #define MACH_MIKROTIK_RB532 0 /* Mikrotik RouterBoard 532 */ #define MACH_MIKROTIK_RB532A 1 /* Mikrotik RouterBoard 532A */ diff --git a/target/linux/ifxmips/patches-2.6.30/600-ebu-gpio.patch b/target/linux/ifxmips/patches-2.6.30/600-ebu-gpio.patch new file mode 100644 index 000000000..01e428a18 --- /dev/null +++ b/target/linux/ifxmips/patches-2.6.30/600-ebu-gpio.patch @@ -0,0 +1,196 @@ +Index: linux-2.6.30.10/drivers/gpio/Kconfig +=================================================================== +--- linux-2.6.30.10.orig/drivers/gpio/Kconfig 2010-03-24 21:55:56.000000000 +0100 ++++ linux-2.6.30.10/drivers/gpio/Kconfig 2010-03-24 21:56:36.000000000 +0100 +@@ -176,4 +176,12 @@ + SPI driver for Microchip MCP23S08 I/O expander. This provides + a GPIO interface supporting inputs and outputs. + ++comment "EBU GPIO expanders:" ++ ++config GPIO_IFXMIPS_EBU ++ boolean "IFXMIPS EBU attached I/O expander" ++ depends on IFXMIPS ++ help ++ This driver allows you to drive latches attached to the SoCc External Bus Unit ++ + endif +Index: linux-2.6.30.10/drivers/gpio/Makefile +=================================================================== +--- linux-2.6.30.10.orig/drivers/gpio/Makefile 2010-03-24 21:55:56.000000000 +0100 ++++ linux-2.6.30.10/drivers/gpio/Makefile 2010-03-24 21:56:36.000000000 +0100 +@@ -12,3 +12,4 @@ + obj-$(CONFIG_GPIO_TWL4030) += twl4030-gpio.o + obj-$(CONFIG_GPIO_XILINX) += xilinx_gpio.o + obj-$(CONFIG_GPIO_BT8XX) += bt8xxgpio.o ++obj-$(CONFIG_GPIO_IFXMIPS_EBU) += ifxmips_ebu_gpio.o +Index: linux-2.6.30.10/arch/mips/ifxmips/board.c +=================================================================== +--- linux-2.6.30.10.orig/arch/mips/ifxmips/board.c 2010-03-25 10:43:06.000000000 +0100 ++++ linux-2.6.30.10/arch/mips/ifxmips/board.c 2010-03-25 12:40:54.000000000 +0100 +@@ -111,6 +111,11 @@ + .name = "ifxmips_wdt", + }; + ++static struct platform_device ifxmips_ebu = { ++ .id = 0, ++ .name = "ifxmips_ebu", ++}; ++ + static struct resource ifxmips_mtd_resource = { + .start = IFXMIPS_FLASH_START, + .end = IFXMIPS_FLASH_START + IFXMIPS_FLASH_MAX - 1, +@@ -145,10 +150,18 @@ + static struct gpio_led arv452_gpio_leds[] = { + { .name = "ifx:blue:power", .gpio = 3, .active_low = 1, }, + { .name = "ifx:blue:adsl", .gpio = 4, .active_low = 1, }, +- { .name = "ifx:pink:internet", .gpio = 5, .active_low = 1, }, ++ { .name = "ifx:blue:internet", .gpio = 5, .active_low = 1, }, + { .name = "ifx:red:power", .gpio = 6, .active_low = 1, }, + { .name = "ifx:yello:wps", .gpio = 7, .active_low = 1, }, + { .name = "ifx:red:wps", .gpio = 9, .active_low = 1, }, ++ { .name = "ifx:blue:voip", .gpio = 32, .active_low = 1, }, ++ { .name = "ifx:blue:fxs1", .gpio = 33, .active_low = 1, }, ++ { .name = "ifx:blue:fxs2", .gpio = 34, .active_low = 1, }, ++ { .name = "ifx:blue:fxo", .gpio = 35, .active_low = 1, }, ++ { .name = "ifx:blue:voice", .gpio = 36, .active_low = 1, }, ++ { .name = "ifx:blue:usb", .gpio = 37, .active_low = 1, }, ++ { .name = "ifx:blue:wlan", .gpio = 38, .active_low = 1, }, ++ { .name = "ifx:red:internet", .gpio = 41, .active_low = 1, }, + }; + + static struct gpio_led_platform_data ifxmips_gpio_led_data; +@@ -205,6 +218,7 @@ + struct platform_device *arv452_devs[] = { + &ifxmips_gpio, &ifxmips_mii, &ifxmips_mtd, + &ifxmips_gpio_dev, &ifxmips_wdt, &dwc_usb, ++ &ifxmips_ebu, + #ifdef CONFIG_LEDS_GPIO + &ifxmips_gpio_leds, + #endif +Index: linux-2.6.30.10/drivers/gpio/ifxmips_ebu_gpio.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.30.10/drivers/gpio/ifxmips_ebu_gpio.c 2010-03-25 12:47:07.000000000 +0100 +@@ -0,0 +1,121 @@ ++/* ++ * 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. ++ * ++ * 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. ++ * ++ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> ++ */ ++ ++#include <linux/init.h> ++#include <linux/platform_device.h> ++#include <linux/mutex.h> ++#include <linux/gpio.h> ++#include <ifxmips.h> ++ ++#define IFXMIPS_EBU_START 0x14000000 ++#define IFXMIPS_EBU_MAX 0x00001000 ++#define IFXMIPS_EBU_BUSCON 0x1e7ff ++#define IFXMIPS_EBU_WP 0x80000000 ++ ++static int shadow = (1 << 10) | (1 << 8); ++static void __iomem *virt; ++ ++static int ++ifxmips_ebu_direction_input(struct gpio_chip *chip, unsigned offset) ++{ ++ return -EINVAL; ++} ++ ++static int ++ifxmips_ebu_direction_output(struct gpio_chip *chip, unsigned offset, int value) ++{ ++ return 0; ++} ++ ++static int ++ifxmips_ebu_get(struct gpio_chip *chip, unsigned offset) ++{ ++ return -EINVAL; ++} ++ ++static void ++ifxmips_ebu_set(struct gpio_chip *chip, unsigned offset, int value) ++{ ++ if(value) ++ shadow |= (1 << offset); ++ else ++ shadow &= ~(1 << offset); ++ ifxmips_w32(IFXMIPS_EBU_BUSCON, IFXMIPS_EBU_BUSCON1); ++ *((__u16*)virt) = shadow; ++ ifxmips_w32(IFXMIPS_EBU_BUSCON | IFXMIPS_EBU_WP, IFXMIPS_EBU_BUSCON1); ++} ++ ++static struct gpio_chip ++ifxmips_ebu_chip = ++{ ++ .label = "ifxmips_ebu", ++ .direction_input = ifxmips_ebu_direction_input, ++ .direction_output = ifxmips_ebu_direction_output, ++ .set = ifxmips_ebu_set, ++ .get = ifxmips_ebu_get, ++ .base = 32, ++ .ngpio = 16, ++ .can_sleep = 1, ++ .owner = THIS_MODULE, ++}; ++ ++static int __devinit ++ifxmips_ebu_probe(struct platform_device *dev) ++{ ++ ifxmips_w32(IFXMIPS_EBU_START | 0x1, IFXMIPS_EBU_ADDRSEL1); ++ ifxmips_w32(IFXMIPS_EBU_BUSCON | IFXMIPS_EBU_WP, IFXMIPS_EBU_BUSCON1); ++ virt = ioremap_nocache(IFXMIPS_EBU_START, IFXMIPS_EBU_MAX); ++ if(gpiochip_add(&ifxmips_ebu_chip)) ++ return -EINVAL; ++ return 0; ++} ++ ++static int ++ifxmips_ebu_remove(struct platform_device *dev) ++{ ++ return gpiochip_remove(&ifxmips_ebu_chip); ++} ++ ++static struct platform_driver ++ifxmips_ebu_driver = { ++ .probe = ifxmips_ebu_probe, ++ .remove = ifxmips_ebu_remove, ++ .driver = { ++ .name = "ifxmips_ebu", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init ++ifxmips_ebu_init(void) ++{ ++ return platform_driver_register(&ifxmips_ebu_driver); ++} ++ ++static void __exit ++ifxmips_ebu_exit(void) ++{ ++ platform_driver_unregister(&ifxmips_ebu_driver); ++} ++ ++module_init(ifxmips_ebu_init); ++module_exit(ifxmips_ebu_exit); ++ ++MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); ++MODULE_LICENSE("GPL v2"); ++MODULE_DESCRIPTION("ifxmips - EBU Latch GPIO-Expander"); |