From 66b7ecf8e0e324c1bd76eb873e128a98a68dd539 Mon Sep 17 00:00:00 2001 From: blogic Date: Thu, 3 Apr 2008 20:28:10 +0000 Subject: add gpio support to atheros, fixes #1861, thanks Othello git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10724 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- target/linux/atheros/config-2.6.23 | 3 +- target/linux/atheros/config-2.6.24 | 2 + .../linux/atheros/files/arch/mips/atheros/Makefile | 2 +- .../files/arch/mips/atheros/ar5312/ar5312.h | 234 ------- .../atheros/files/arch/mips/atheros/ar5312/board.c | 2 +- .../atheros/files/arch/mips/atheros/ar5312/irq.c | 6 +- .../files/arch/mips/atheros/ar5315/ar5315.h | 688 -------------------- .../atheros/files/arch/mips/atheros/ar5315/board.c | 2 +- .../atheros/files/arch/mips/atheros/ar5315/irq.c | 4 +- .../linux/atheros/files/arch/mips/atheros/ar531x.h | 170 ----- .../linux/atheros/files/arch/mips/atheros/board.c | 23 +- .../linux/atheros/files/arch/mips/atheros/gpio.c | 339 ++++++++++ .../linux/atheros/files/arch/mips/atheros/prom.c | 2 +- .../linux/atheros/files/arch/mips/atheros/reset.c | 3 +- .../include/asm-mips/mach-atheros/ar5312/ar5312.h | 234 +++++++ .../include/asm-mips/mach-atheros/ar5315/ar5315.h | 694 +++++++++++++++++++++ .../files/include/asm-mips/mach-atheros/ar531x.h | 172 +++++ .../files/include/asm-mips/mach-atheros/gpio.h | 134 ++++ .../linux/atheros/patches-2.6.23/100-board.patch | 9 +- .../linux/atheros/patches-2.6.24/100-board.patch | 3 +- 20 files changed, 1619 insertions(+), 1107 deletions(-) delete mode 100644 target/linux/atheros/files/arch/mips/atheros/ar5312/ar5312.h delete mode 100644 target/linux/atheros/files/arch/mips/atheros/ar5315/ar5315.h delete mode 100644 target/linux/atheros/files/arch/mips/atheros/ar531x.h create mode 100644 target/linux/atheros/files/arch/mips/atheros/gpio.c create mode 100644 target/linux/atheros/files/include/asm-mips/mach-atheros/ar5312/ar5312.h create mode 100644 target/linux/atheros/files/include/asm-mips/mach-atheros/ar5315/ar5315.h create mode 100644 target/linux/atheros/files/include/asm-mips/mach-atheros/ar531x.h create mode 100644 target/linux/atheros/files/include/asm-mips/mach-atheros/gpio.h (limited to 'target/linux') diff --git a/target/linux/atheros/config-2.6.23 b/target/linux/atheros/config-2.6.23 index a71c22ca2..90f390998 100644 --- a/target/linux/atheros/config-2.6.23 +++ b/target/linux/atheros/config-2.6.23 @@ -50,6 +50,7 @@ CONFIG_DMA_NONCOHERENT=y CONFIG_FS_POSIX_ACL=y CONFIG_GENERIC_FIND_NEXT_BIT=y # CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set +CONFIG_GPIO_DEVICE=y CONFIG_HAS_DMA=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y @@ -127,10 +128,10 @@ CONFIG_MTD_PHYSMAP_START=0x0 CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-3 CONFIG_MTD_REDBOOT_PARTS=y CONFIG_MTD_REDBOOT_PARTS_READONLY=y -# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set # CONFIG_MTD_ROM is not set # CONFIG_MTD_SLRAM is not set CONFIG_MTD_SPIFLASH=y +CONFIG_NEW_GPIO=y # CONFIG_NO_IOPORT is not set # CONFIG_PAGE_SIZE_16KB is not set CONFIG_PAGE_SIZE_4KB=y diff --git a/target/linux/atheros/config-2.6.24 b/target/linux/atheros/config-2.6.24 index 652e71295..8a4779a8f 100644 --- a/target/linux/atheros/config-2.6.24 +++ b/target/linux/atheros/config-2.6.24 @@ -194,3 +194,5 @@ CONFIG_TRAD_SIGNALS=y # CONFIG_USER_NS is not set # CONFIG_VGASTATE is not set CONFIG_ZONE_DMA_FLAG=0 +CONFIG_NEW_GPIO=y +CONFIG_GPIO_DEVICE=y diff --git a/target/linux/atheros/files/arch/mips/atheros/Makefile b/target/linux/atheros/files/arch/mips/atheros/Makefile index 2c2b991bc..0d00336fd 100644 --- a/target/linux/atheros/files/arch/mips/atheros/Makefile +++ b/target/linux/atheros/files/arch/mips/atheros/Makefile @@ -8,6 +8,6 @@ # Copyright (C) 2006 Felix Fietkau # -obj-y += board.o prom.o reset.o +obj-y += board.o prom.o reset.o gpio.o obj-$(CONFIG_ATHEROS_AR5312) += ar5312/ obj-$(CONFIG_ATHEROS_AR5315) += ar5315/ diff --git a/target/linux/atheros/files/arch/mips/atheros/ar5312/ar5312.h b/target/linux/atheros/files/arch/mips/atheros/ar5312/ar5312.h deleted file mode 100644 index 2b6b875b4..000000000 --- a/target/linux/atheros/files/arch/mips/atheros/ar5312/ar5312.h +++ /dev/null @@ -1,234 +0,0 @@ -/* - * 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) 2003 Atheros Communications, Inc., All Rights Reserved. - * Copyright (C) 2006 Imre Kaloz - * Copyright (C) 2006 Felix Fietkau - */ - -#ifndef AR5312_H -#define AR5312_H - -#include - -/* - * IRQs - */ - -#define AR5312_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */ -#define AR5312_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */ -#define AR5312_IRQ_ENET1_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */ -#define AR5312_IRQ_WLAN1_INTRS MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */ -#define AR5312_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */ - - -/* Address Map */ -#define AR531X_WLAN0 0x18000000 -#define AR531X_WLAN1 0x18500000 -#define AR531X_ENET0 0x18100000 -#define AR531X_ENET1 0x18200000 -#define AR531X_SDRAMCTL 0x18300000 -#define AR531X_FLASHCTL 0x18400000 -#define AR531X_APBBASE 0x1c000000 -#define AR531X_FLASH 0x1e000000 -#define AR531X_UART0 0xbc000003 /* UART MMR */ - -/* - * AR531X_NUM_ENET_MAC defines the number of ethernet MACs that - * should be considered available. The AR5312 supports 2 enet MACS, - * even though many reference boards only actually use 1 of them - * (i.e. Only MAC 0 is actually connected to an enet PHY or PHY switch. - * The AR2312 supports 1 enet MAC. - */ -#define AR531X_NUM_ENET_MAC 2 - -/* - * Need these defines to determine true number of ethernet MACs - */ -#define AR5212_AR5312_REV2 0x0052 /* AR5312 WMAC (AP31) */ -#define AR5212_AR5312_REV7 0x0057 /* AR5312 WMAC (AP30-040) */ -#define AR5212_AR2313_REV8 0x0058 /* AR2313 WMAC (AP43-030) */ -#define AR531X_RADIO_MASK_OFF 0xc8 -#define AR531X_RADIO0_MASK 0x0003 -#define AR531X_RADIO1_MASK 0x000c -#define AR531X_RADIO1_S 2 - -/* - * AR531X_NUM_WMAC defines the number of Wireless MACs that\ - * should be considered available. - */ -#define AR531X_NUM_WMAC 2 - -/* Reset/Timer Block Address Map */ -#define AR531X_RESETTMR (AR531X_APBBASE + 0x3000) -#define AR531X_TIMER (AR531X_RESETTMR + 0x0000) /* countdown timer */ -#define AR531X_WD_CTRL (AR531X_RESETTMR + 0x0008) /* watchdog cntrl */ -#define AR531X_WD_TIMER (AR531X_RESETTMR + 0x000c) /* watchdog timer */ -#define AR531X_ISR (AR531X_RESETTMR + 0x0010) /* Intr Status Reg */ -#define AR531X_IMR (AR531X_RESETTMR + 0x0014) /* Intr Mask Reg */ -#define AR531X_RESET (AR531X_RESETTMR + 0x0020) -#define AR5312_CLOCKCTL1 (AR531X_RESETTMR + 0x0064) -#define AR5312_SCRATCH (AR531X_RESETTMR + 0x006c) -#define AR531X_PROCADDR (AR531X_RESETTMR + 0x0070) -#define AR531X_PROC1 (AR531X_RESETTMR + 0x0074) -#define AR531X_DMAADDR (AR531X_RESETTMR + 0x0078) -#define AR531X_DMA1 (AR531X_RESETTMR + 0x007c) -#define AR531X_ENABLE (AR531X_RESETTMR + 0x0080) /* interface enb */ -#define AR531X_REV (AR531X_RESETTMR + 0x0090) /* revision */ - -/* AR531X_WD_CTRL register bit field definitions */ -#define AR531X_WD_CTRL_IGNORE_EXPIRATION 0x0000 -#define AR531X_WD_CTRL_NMI 0x0001 -#define AR531X_WD_CTRL_RESET 0x0002 - -/* AR531X_ISR register bit field definitions */ -#define AR531X_ISR_NONE 0x0000 -#define AR531X_ISR_TIMER 0x0001 -#define AR531X_ISR_AHBPROC 0x0002 -#define AR531X_ISR_AHBDMA 0x0004 -#define AR531X_ISR_GPIO 0x0008 -#define AR531X_ISR_UART0 0x0010 -#define AR531X_ISR_UART0DMA 0x0020 -#define AR531X_ISR_WD 0x0040 -#define AR531X_ISR_LOCAL 0x0080 - -/* AR531X_RESET register bit field definitions */ -#define AR531X_RESET_SYSTEM 0x00000001 /* cold reset full system */ -#define AR531X_RESET_PROC 0x00000002 /* cold reset MIPS core */ -#define AR531X_RESET_WLAN0 0x00000004 /* cold reset WLAN MAC and BB */ -#define AR531X_RESET_EPHY0 0x00000008 /* cold reset ENET0 phy */ -#define AR531X_RESET_EPHY1 0x00000010 /* cold reset ENET1 phy */ -#define AR531X_RESET_ENET0 0x00000020 /* cold reset ENET0 mac */ -#define AR531X_RESET_ENET1 0x00000040 /* cold reset ENET1 mac */ -#define AR531X_RESET_UART0 0x00000100 /* cold reset UART0 (high speed) */ -#define AR531X_RESET_WLAN1 0x00000200 /* cold reset WLAN MAC/BB */ -#define AR531X_RESET_APB 0x00000400 /* cold reset APB (ar5312) */ -#define AR531X_RESET_WARM_PROC 0x00001000 /* warm reset MIPS core */ -#define AR531X_RESET_WARM_WLAN0_MAC 0x00002000 /* warm reset WLAN0 MAC */ -#define AR531X_RESET_WARM_WLAN0_BB 0x00004000 /* warm reset WLAN0 BaseBand */ -#define AR531X_RESET_NMI 0x00010000 /* send an NMI to the processor */ -#define AR531X_RESET_WARM_WLAN1_MAC 0x00020000 /* warm reset WLAN1 mac */ -#define AR531X_RESET_WARM_WLAN1_BB 0x00040000 /* warm reset WLAN1 baseband */ -#define AR531X_RESET_LOCAL_BUS 0x00080000 /* reset local bus */ -#define AR531X_RESET_WDOG 0x00100000 /* last reset was a watchdog */ - -#define AR531X_RESET_WMAC0_BITS \ - AR531X_RESET_WLAN0 |\ - AR531X_RESET_WARM_WLAN0_MAC |\ - AR531X_RESET_WARM_WLAN0_BB - -#define AR531X_RESERT_WMAC1_BITS \ - AR531X_RESET_WLAN1 |\ - AR531X_RESET_WARM_WLAN1_MAC |\ - AR531X_RESET_WARM_WLAN1_BB - -/* AR5312_CLOCKCTL1 register bit field definitions */ -#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030 -#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4 -#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00 -#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8 -#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000 - -/* Valid for AR5312 and AR2312 */ -#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030 -#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4 -#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00 -#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8 -#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000 - -/* Valid for AR2313 */ -#define AR2313_CLOCKCTL1_PREDIVIDE_MASK 0x00003000 -#define AR2313_CLOCKCTL1_PREDIVIDE_SHIFT 12 -#define AR2313_CLOCKCTL1_MULTIPLIER_MASK 0x001f0000 -#define AR2313_CLOCKCTL1_MULTIPLIER_SHIFT 16 -#define AR2313_CLOCKCTL1_DOUBLER_MASK 0x00000000 - - -/* AR531X_ENABLE register bit field definitions */ -#define AR531X_ENABLE_WLAN0 0x0001 -#define AR531X_ENABLE_ENET0 0x0002 -#define AR531X_ENABLE_ENET1 0x0004 -#define AR531X_ENABLE_UART_AND_WLAN1_PIO 0x0008 /* UART, and WLAN1 PIOs */ -#define AR531X_ENABLE_WLAN1_DMA 0x0010 /* WLAN1 DMAs */ -#define AR531X_ENABLE_WLAN1 \ - (AR531X_ENABLE_UART_AND_WLAN1_PIO | AR531X_ENABLE_WLAN1_DMA) - -/* AR531X_REV register bit field definitions */ -#define AR531X_REV_WMAC_MAJ 0xf000 -#define AR531X_REV_WMAC_MAJ_S 12 -#define AR531X_REV_WMAC_MIN 0x0f00 -#define AR531X_REV_WMAC_MIN_S 8 -#define AR531X_REV_MAJ 0x00f0 -#define AR531X_REV_MAJ_S 4 -#define AR531X_REV_MIN 0x000f -#define AR531X_REV_MIN_S 0 -#define AR531X_REV_CHIP (AR531X_REV_MAJ|AR531X_REV_MIN) - -/* Major revision numbers, bits 7..4 of Revision ID register */ -#define AR531X_REV_MAJ_AR5312 0x4 -#define AR531X_REV_MAJ_AR2313 0x5 - -/* Minor revision numbers, bits 3..0 of Revision ID register */ -#define AR5312_REV_MIN_DUAL 0x0 /* Dual WLAN version */ -#define AR5312_REV_MIN_SINGLE 0x1 /* Single WLAN version */ - -/* AR531X_FLASHCTL register bit field definitions */ -#define FLASHCTL_IDCY 0x0000000f /* Idle cycle turn around time */ -#define FLASHCTL_IDCY_S 0 -#define FLASHCTL_WST1 0x000003e0 /* Wait state 1 */ -#define FLASHCTL_WST1_S 5 -#define FLASHCTL_RBLE 0x00000400 /* Read byte lane enable */ -#define FLASHCTL_WST2 0x0000f800 /* Wait state 2 */ -#define FLASHCTL_WST2_S 11 -#define FLASHCTL_AC 0x00070000 /* Flash address check (added) */ -#define FLASHCTL_AC_S 16 -#define FLASHCTL_AC_128K 0x00000000 -#define FLASHCTL_AC_256K 0x00010000 -#define FLASHCTL_AC_512K 0x00020000 -#define FLASHCTL_AC_1M 0x00030000 -#define FLASHCTL_AC_2M 0x00040000 -#define FLASHCTL_AC_4M 0x00050000 -#define FLASHCTL_AC_8M 0x00060000 -#define FLASHCTL_AC_RES 0x00070000 /* 16MB is not supported */ -#define FLASHCTL_E 0x00080000 /* Flash bank enable (added) */ -#define FLASHCTL_BUSERR 0x01000000 /* Bus transfer error status flag */ -#define FLASHCTL_WPERR 0x02000000 /* Write protect error status flag */ -#define FLASHCTL_WP 0x04000000 /* Write protect */ -#define FLASHCTL_BM 0x08000000 /* Burst mode */ -#define FLASHCTL_MW 0x30000000 /* Memory width */ -#define FLASHCTL_MWx8 0x00000000 /* Memory width x8 */ -#define FLASHCTL_MWx16 0x10000000 /* Memory width x16 */ -#define FLASHCTL_MWx32 0x20000000 /* Memory width x32 (not supported) */ -#define FLASHCTL_ATNR 0x00000000 /* Access type == no retry */ -#define FLASHCTL_ATR 0x80000000 /* Access type == retry every */ -#define FLASHCTL_ATR4 0xc0000000 /* Access type == retry every 4 */ - -/* ARM Flash Controller -- 3 flash banks with either x8 or x16 devices. */ -#define AR531X_FLASHCTL0 (AR531X_FLASHCTL + 0x00) -#define AR531X_FLASHCTL1 (AR531X_FLASHCTL + 0x04) -#define AR531X_FLASHCTL2 (AR531X_FLASHCTL + 0x08) - -/* ARM SDRAM Controller -- just enough to determine memory size */ -#define AR531X_MEM_CFG1 (AR531X_SDRAMCTL + 0x04) -#define MEM_CFG1_AC0 0x00000700 /* bank 0: SDRAM addr check (added) */ -#define MEM_CFG1_AC0_S 8 -#define MEM_CFG1_AC1 0x00007000 /* bank 1: SDRAM addr check (added) */ -#define MEM_CFG1_AC1_S 12 - -/* GPIO Address Map */ -#define AR531X_GPIO (AR531X_APBBASE + 0x2000) -#define AR531X_GPIO_DO (AR531X_GPIO + 0x00) /* output register */ -#define AR531X_GPIO_DI (AR531X_GPIO + 0x04) /* intput register */ -#define AR531X_GPIO_CR (AR531X_GPIO + 0x08) /* control register */ - -/* GPIO Control Register bit field definitions */ -#define AR531X_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */ -#define AR531X_GPIO_CR_O(x) (0 << (x)) /* mask for output */ -#define AR531X_GPIO_CR_I(x) (1 << (x)) /* mask for input */ -#define AR531X_GPIO_CR_INT(x) (1 << ((x)+8)) /* mask for interrupt */ -#define AR531X_GPIO_CR_UART(x) (1 << ((x)+16)) /* uart multiplex */ - -#endif - diff --git a/target/linux/atheros/files/arch/mips/atheros/ar5312/board.c b/target/linux/atheros/files/arch/mips/atheros/ar5312/board.c index dac83f0a3..3768e30be 100644 --- a/target/linux/atheros/files/arch/mips/atheros/ar5312/board.c +++ b/target/linux/atheros/files/arch/mips/atheros/ar5312/board.c @@ -27,7 +27,7 @@ #include #include #include -#include "../ar531x.h" +#include #define NO_PHY 0x1f diff --git a/target/linux/atheros/files/arch/mips/atheros/ar5312/irq.c b/target/linux/atheros/files/arch/mips/atheros/ar5312/irq.c index ac52d9e5d..95bcf3a45 100644 --- a/target/linux/atheros/files/arch/mips/atheros/ar5312/irq.c +++ b/target/linux/atheros/files/arch/mips/atheros/ar5312/irq.c @@ -23,7 +23,9 @@ #include #include #include -#include "../ar531x.h" + +#include +#include /* * Called when an interrupt is received, this function @@ -53,6 +55,8 @@ asmlinkage void ar5312_irq_dispatch(void) (void)sysRegRead(AR531X_TIMER); } else if (ar531x_misc_intrs & AR531X_ISR_AHBPROC) do_IRQ(AR531X_MISC_IRQ_AHB_PROC); + else if (ar531x_misc_intrs & AR531X_ISR_GPIO) + ar5312_gpio_irq_dispatch(); else if ((ar531x_misc_intrs & AR531X_ISR_UART0)) do_IRQ(AR531X_MISC_IRQ_UART0); else if (ar531x_misc_intrs & AR531X_ISR_WD) diff --git a/target/linux/atheros/files/arch/mips/atheros/ar5315/ar5315.h b/target/linux/atheros/files/arch/mips/atheros/ar5315/ar5315.h deleted file mode 100644 index 567141cb7..000000000 --- a/target/linux/atheros/files/arch/mips/atheros/ar5315/ar5315.h +++ /dev/null @@ -1,688 +0,0 @@ -/* - * 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) 2003 Atheros Communications, Inc., All Rights Reserved. - * Copyright (C) 2006 FON Technology, SL. - * Copyright (C) 2006 Imre Kaloz - * Copyright (C) 2006 Felix Fietkau - */ - -#ifndef AR5315_H -#define AR5315_H - -/* - * IRQs - */ -#define AR5315_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */ -#define AR5315_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */ -#define AR5315_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */ -#define AR5315_IRQ_LCBUS_PCI MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */ -#define AR5315_IRQ_WLAN0_POLL MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */ - - -/* - * Address map - */ -#define AR5315_SDRAM0 0x00000000 /* DRAM */ -#define AR5315_SPI_READ 0x08000000 /* SPI FLASH */ -#define AR5315_WLAN0 0xB0000000 /* Wireless MMR */ -#define AR5315_PCI 0xB0100000 /* PCI MMR */ -#define AR5315_SDRAMCTL 0xB0300000 /* SDRAM MMR */ -#define AR5315_LOCAL 0xB0400000 /* LOCAL BUS MMR */ -#define AR5315_ENET0 0xB0500000 /* ETHERNET MMR */ -#define AR5315_DSLBASE 0xB1000000 /* RESET CONTROL MMR */ -#define AR5315_UART0 0xB1100003 /* UART MMR */ -#define AR5315_SPI 0xB1300000 /* SPI FLASH MMR */ -#define AR5315_FLASHBT 0xBfc00000 /* ro boot alias to FLASH */ -#define AR5315_RAM1 0x40000000 /* ram alias */ -#define AR5315_PCIEXT 0x80000000 /* pci external */ -#define AR5315_RAM2 0xc0000000 /* ram alias */ -#define AR5315_RAM3 0xe0000000 /* ram alias */ - -/* - * Reset Register - */ -#define AR5315_COLD_RESET (AR5315_DSLBASE + 0x0000) - -/* Cold Reset */ -#define RESET_COLD_AHB 0x00000001 -#define RESET_COLD_APB 0x00000002 -#define RESET_COLD_CPU 0x00000004 -#define RESET_COLD_CPUWARM 0x00000008 -#define RESET_SYSTEM (RESET_COLD_CPU | RESET_COLD_APB | RESET_COLD_AHB) /* full system */ - -#define AR5317_RESET_SYSTEM 0x00000010 - -/* Warm Reset */ - -#define AR5315_RESET (AR5315_DSLBASE + 0x0004) - -#define AR5315_RESET_WARM_WLAN0_MAC 0x00000001 /* warm reset WLAN0 MAC */ -#define AR5315_RESET_WARM_WLAN0_BB 0x00000002 /* warm reset WLAN0 BaseBand */ -#define AR5315_RESET_MPEGTS_RSVD 0x00000004 /* warm reset MPEG-TS */ -#define AR5315_RESET_PCIDMA 0x00000008 /* warm reset PCI ahb/dma */ -#define AR5315_RESET_MEMCTL 0x00000010 /* warm reset memory controller */ -#define AR5315_RESET_LOCAL 0x00000020 /* warm reset local bus */ -#define AR5315_RESET_I2C_RSVD 0x00000040 /* warm reset I2C bus */ -#define AR5315_RESET_SPI 0x00000080 /* warm reset SPI interface */ -#define AR5315_RESET_UART0 0x00000100 /* warm reset UART0 */ -#define AR5315_RESET_IR_RSVD 0x00000200 /* warm reset IR interface */ -#define AR5315_RESET_EPHY0 0x00000400 /* cold reset ENET0 phy */ -#define AR5315_RESET_ENET0 0x00000800 /* cold reset ENET0 mac */ - -/* - * AHB master arbitration control - */ -#define AR5315_AHB_ARB_CTL (AR5315_DSLBASE + 0x0008) - -#define ARB_CPU 0x00000001 /* CPU, default */ -#define ARB_WLAN 0x00000002 /* WLAN */ -#define ARB_MPEGTS_RSVD 0x00000004 /* MPEG-TS */ -#define ARB_LOCAL 0x00000008 /* LOCAL */ -#define ARB_PCI 0x00000010 /* PCI */ -#define ARB_ETHERNET 0x00000020 /* Ethernet */ -#define ARB_RETRY 0x00000100 /* retry policy, debug only */ - -/* - * Config Register - */ -#define AR5315_ENDIAN_CTL (AR5315_DSLBASE + 0x000c) - -#define AR5315_CONFIG_AHB 0x00000001 /* EC - AHB bridge endianess */ -#define AR5315_CONFIG_WLAN 0x00000002 /* WLAN byteswap */ -#define AR5315_CONFIG_MPEGTS_RSVD 0x00000004 /* MPEG-TS byteswap */ -#define AR5315_CONFIG_PCI 0x00000008 /* PCI byteswap */ -#define AR5315_CONFIG_MEMCTL 0x00000010 /* Memory controller endianess */ -#define AR5315_CONFIG_LOCAL 0x00000020 /* Local bus byteswap */ -#define AR5315_CONFIG_ETHERNET 0x00000040 /* Ethernet byteswap */ - -#define AR5315_CONFIG_MERGE 0x00000200 /* CPU write buffer merge */ -#define AR5315_CONFIG_CPU 0x00000400 /* CPU big endian */ -#define AR5315_CONFIG_PCIAHB 0x00000800 -#define AR5315_CONFIG_PCIAHB_BRIDGE 0x00001000 -#define AR5315_CONFIG_SPI 0x00008000 /* SPI byteswap */ -#define AR5315_CONFIG_CPU_DRAM 0x00010000 -#define AR5315_CONFIG_CPU_PCI 0x00020000 -#define AR5315_CONFIG_CPU_MMR 0x00040000 -#define AR5315_CONFIG_BIG 0x00000400 - - -/* - * NMI control - */ -#define AR5315_NMI_CTL (AR5315_DSLBASE + 0x0010) - -#define NMI_EN 1 - -/* - * Revision Register - Initial value is 0x3010 (WMAC 3.0, AR531X 1.0). - */ -#define AR5315_SREV (AR5315_DSLBASE + 0x0014) - -#define AR5315_REV_MAJ 0x00f0 -#define AR5315_REV_MAJ_S 4 -#define AR5315_REV_MIN 0x000f -#define AR5315_REV_MIN_S 0 -#define AR5315_REV_CHIP (AR5315_REV_MAJ|AR5315_REV_MIN) - -/* - * Interface Enable - */ -#define AR5315_IF_CTL (AR5315_DSLBASE + 0x0018) - -#define IF_MASK 0x00000007 -#define IF_DISABLED 0 -#define IF_PCI 1 -#define IF_TS_LOCAL 2 -#define IF_ALL 3 /* only for emulation with separate pins */ -#define IF_LOCAL_HOST 0x00000008 -#define IF_PCI_HOST 0x00000010 -#define IF_PCI_INTR 0x00000020 -#define IF_PCI_CLK_MASK 0x00030000 -#define IF_PCI_CLK_INPUT 0 -#define IF_PCI_CLK_OUTPUT_LOW 1 -#define IF_PCI_CLK_OUTPUT_CLK 2 -#define IF_PCI_CLK_OUTPUT_HIGH 3 -#define IF_PCI_CLK_SHIFT 16 - - -/* Major revision numbers, bits 7..4 of Revision ID register */ -#define REV_MAJ_AR5311 0x01 -#define REV_MAJ_AR5312 0x04 -#define REV_MAJ_AR5315 0x0B - -/* - * APB Interrupt control - */ - -#define AR5315_ISR (AR5315_DSLBASE + 0x0020) -#define AR5315_IMR (AR5315_DSLBASE + 0x0024) -#define AR5315_GISR (AR5315_DSLBASE + 0x0028) - -#define AR5315_ISR_UART0 0x0001 /* high speed UART */ -#define AR5315_ISR_I2C_RSVD 0x0002 /* I2C bus */ -#define AR5315_ISR_SPI 0x0004 /* SPI bus */ -#define AR5315_ISR_AHB 0x0008 /* AHB error */ -#define AR5315_ISR_APB 0x0010 /* APB error */ -#define AR5315_ISR_TIMER 0x0020 /* timer */ -#define AR5315_ISR_GPIO 0x0040 /* GPIO */ -#define AR5315_ISR_WD 0x0080 /* watchdog */ -#define AR5315_ISR_IR_RSVD 0x0100 /* IR */ - -#define AR5315_GISR_MISC 0x0001 -#define AR5315_GISR_WLAN0 0x0002 -#define AR5315_GISR_MPEGTS_RSVD 0x0004 -#define AR5315_GISR_LOCALPCI 0x0008 -#define AR5315_GISR_WMACPOLL 0x0010 -#define AR5315_GISR_TIMER 0x0020 -#define AR5315_GISR_ETHERNET 0x0040 - -/* - * Interrupt routing from IO to the processor IP bits - * Define our inter mask and level - */ -#define AR5315_INTR_MISCIO SR_IBIT3 -#define AR5315_INTR_WLAN0 SR_IBIT4 -#define AR5315_INTR_ENET0 SR_IBIT5 -#define AR5315_INTR_LOCALPCI SR_IBIT6 -#define AR5315_INTR_WMACPOLL SR_IBIT7 -#define AR5315_INTR_COMPARE SR_IBIT8 - -/* - * Timers - */ -#define AR5315_TIMER (AR5315_DSLBASE + 0x0030) -#define AR5315_RELOAD (AR5315_DSLBASE + 0x0034) -#define AR5315_WD (AR5315_DSLBASE + 0x0038) -#define AR5315_WDC (AR5315_DSLBASE + 0x003c) - -#define WDC_RESET 0x00000002 /* reset on watchdog */ -#define WDC_NMI 0x00000001 /* NMI on watchdog */ -#define WDC_IGNORE_EXPIRATION 0x00000000 - -/* - * CPU Performance Counters - */ -#define AR5315_PERFCNT0 (AR5315_DSLBASE + 0x0048) -#define AR5315_PERFCNT1 (AR5315_DSLBASE + 0x004c) - -#define PERF_DATAHIT 0x0001 /* Count Data Cache Hits */ -#define PERF_DATAMISS 0x0002 /* Count Data Cache Misses */ -#define PERF_INSTHIT 0x0004 /* Count Instruction Cache Hits */ -#define PERF_INSTMISS 0x0008 /* Count Instruction Cache Misses */ -#define PERF_ACTIVE 0x0010 /* Count Active Processor Cycles */ -#define PERF_WBHIT 0x0020 /* Count CPU Write Buffer Hits */ -#define PERF_WBMISS 0x0040 /* Count CPU Write Buffer Misses */ - -#define PERF_EB_ARDY 0x0001 /* Count EB_ARdy signal */ -#define PERF_EB_AVALID 0x0002 /* Count EB_AValid signal */ -#define PERF_EB_WDRDY 0x0004 /* Count EB_WDRdy signal */ -#define PERF_EB_RDVAL 0x0008 /* Count EB_RdVal signal */ -#define PERF_VRADDR 0x0010 /* Count valid read address cycles */ -#define PERF_VWADDR 0x0020 /* Count valid write address cycles */ -#define PERF_VWDATA 0x0040 /* Count valid write data cycles */ - -/* - * AHB Error Reporting. - */ -#define AR5315_AHB_ERR0 (AR5315_DSLBASE + 0x0050) /* error */ -#define AR5315_AHB_ERR1 (AR5315_DSLBASE + 0x0054) /* haddr */ -#define AR5315_AHB_ERR2 (AR5315_DSLBASE + 0x0058) /* hwdata */ -#define AR5315_AHB_ERR3 (AR5315_DSLBASE + 0x005c) /* hrdata */ -#define AR5315_AHB_ERR4 (AR5315_DSLBASE + 0x0060) /* status */ - -#define AHB_ERROR_DET 1 /* AHB Error has been detected, */ - /* write 1 to clear all bits in ERR0 */ -#define AHB_ERROR_OVR 2 /* AHB Error overflow has been detected */ -#define AHB_ERROR_WDT 4 /* AHB Error due to wdt instead of hresp */ - -#define PROCERR_HMAST 0x0000000f -#define PROCERR_HMAST_DFLT 0 -#define PROCERR_HMAST_WMAC 1 -#define PROCERR_HMAST_ENET 2 -#define PROCERR_HMAST_PCIENDPT 3 -#define PROCERR_HMAST_LOCAL 4 -#define PROCERR_HMAST_CPU 5 -#define PROCERR_HMAST_PCITGT 6 - -#define PROCERR_HMAST_S 0 -#define PROCERR_HWRITE 0x00000010 -#define PROCERR_HSIZE 0x00000060 -#define PROCERR_HSIZE_S 5 -#define PROCERR_HTRANS 0x00000180 -#define PROCERR_HTRANS_S 7 -#define PROCERR_HBURST 0x00000e00 -#define PROCERR_HBURST_S 9 - - - -/* - * Clock Control - */ -#define AR5315_PLLC_CTL (AR5315_DSLBASE + 0x0064) -#define AR5315_PLLV_CTL (AR5315_DSLBASE + 0x0068) -#define AR5315_CPUCLK (AR5315_DSLBASE + 0x006c) -#define AR5315_AMBACLK (AR5315_DSLBASE + 0x0070) -#define AR5315_SYNCCLK (AR5315_DSLBASE + 0x0074) -#define AR5315_DSL_SLEEP_CTL (AR5315_DSLBASE + 0x0080) -#define AR5315_DSL_SLEEP_DUR (AR5315_DSLBASE + 0x0084) - -/* PLLc Control fields */ -#define PLLC_REF_DIV_M 0x00000003 -#define PLLC_REF_DIV_S 0 -#define PLLC_FDBACK_DIV_M 0x0000007C -#define PLLC_FDBACK_DIV_S 2 -#define PLLC_ADD_FDBACK_DIV_M 0x00000080 -#define PLLC_ADD_FDBACK_DIV_S 7 -#define PLLC_CLKC_DIV_M 0x0001c000 -#define PLLC_CLKC_DIV_S 14 -#define PLLC_CLKM_DIV_M 0x00700000 -#define PLLC_CLKM_DIV_S 20 - -/* CPU CLK Control fields */ -#define CPUCLK_CLK_SEL_M 0x00000003 -#define CPUCLK_CLK_SEL_S 0 -#define CPUCLK_CLK_DIV_M 0x0000000c -#define CPUCLK_CLK_DIV_S 2 - -/* AMBA CLK Control fields */ -#define AMBACLK_CLK_SEL_M 0x00000003 -#define AMBACLK_CLK_SEL_S 0 -#define AMBACLK_CLK_DIV_M 0x0000000c -#define AMBACLK_CLK_DIV_S 2 - -#if defined(COBRA_EMUL) -#define AR5315_AMBA_CLOCK_RATE 20000000 -#define AR5315_CPU_CLOCK_RATE 40000000 -#else -#if defined(DEFAULT_PLL) -#define AR5315_AMBA_CLOCK_RATE 40000000 -#define AR5315_CPU_CLOCK_RATE 40000000 -#else -#define AR5315_AMBA_CLOCK_RATE 92000000 -#define AR5315_CPU_CLOCK_RATE 184000000 -#endif /* ! DEFAULT_PLL */ -#endif /* ! COBRA_EMUL */ - -#define AR5315_UART_CLOCK_RATE AR5315_AMBA_CLOCK_RATE -#define AR5315_SDRAM_CLOCK_RATE AR5315_AMBA_CLOCK_RATE - -/* - * The UART computes baud rate as: - * baud = clock / (16 * divisor) - * where divisor is specified as a High Byte (DLM) and a Low Byte (DLL). - */ -#define DESIRED_BAUD_RATE 38400 - - -#define CLOCKCTL_UART0 0x0010 /* enable UART0 external clock */ - - - /* - * Applicable "PCICFG" bits for WLAN(s). Assoc status and LED mode. - */ -#define ASSOC_STATUS_M 0x00000003 -#define ASSOC_STATUS_NONE 0 -#define ASSOC_STATUS_PENDING 1 -#define ASSOC_STATUS_ASSOCIATED 2 -#define LED_MODE_M 0x0000001c -#define LED_BLINK_THRESHOLD_M 0x000000e0 -#define LED_SLOW_BLINK_MODE 0x00000100 - -/* - * GPIO - */ - -#define AR5315_GPIO_DI (AR5315_DSLBASE + 0x0088) -#define AR5315_GPIO_DO (AR5315_DSLBASE + 0x0090) -#define AR5315_GPIO_CR (AR5315_DSLBASE + 0x0098) -#define AR5315_GPIO_INT (AR5315_DSLBASE + 0x00a0) - -#define AR5315_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */ -#define AR5315_GPIO_CR_O(x) (1 << (x)) /* output */ -#define AR5315_GPIO_CR_I(x) (0) /* input */ - -#define AR5315_GPIO_INT_S(x) (x) /* interrupt enable */ -#define AR5315_GPIO_INT_M (0x3F) /* mask for int */ -#define AR5315_GPIO_INT_LVL(x) ((x) << 6) /* interrupt level */ -#define AR5315_GPIO_INT_LVL_M ((0x3) << 6) /* mask for int level */ - -#define AR5315_RESET_GPIO 5 -#define AR5315_NUM_GPIO 22 - - -/* - * PCI Clock Control - */ - -#define AR5315_PCICLK (AR5315_DSLBASE + 0x00a4) - -#define AR5315_PCICLK_INPUT_M 0x3 -#define AR5315_PCICLK_INPUT_S 0 - -#define AR5315_PCICLK_PLLC_CLKM 0 -#define AR5315_PCICLK_PLLC_CLKM1 1 -#define AR5315_PCICLK_PLLC_CLKC 2 -#define AR5315_PCICLK_REF_CLK 3 - -#define AR5315_PCICLK_DIV_M 0xc -#define AR5315_PCICLK_DIV_S 2 - -#define AR5315_PCICLK_IN_FREQ 0 -#define AR5315_PCICLK_IN_FREQ_DIV_6 1 -#define AR5315_PCICLK_IN_FREQ_DIV_8 2 -#define AR5315_PCICLK_IN_FREQ_DIV_10 3 - -/* - * Observation Control Register - */ -#define AR5315_OCR (AR5315_DSLBASE + 0x00b0) -#define OCR_GPIO0_IRIN 0x0040 -#define OCR_GPIO1_IROUT 0x0080 -#define OCR_GPIO3_RXCLR 0x0200 - -/* - * General Clock Control - */ - -#define AR5315_MISCCLK (AR5315_DSLBASE + 0x00b4) -#define MISCCLK_PLLBYPASS_EN 0x00000001 -#define MISCCLK_PROCREFCLK 0x00000002 - -/* - * SDRAM Controller - * - No read or write buffers are included. - */ -#define AR5315_MEM_CFG (AR5315_SDRAMCTL + 0x00) -#define AR5315_MEM_CTRL (AR5315_SDRAMCTL + 0x0c) -#define AR5315_MEM_REF (AR5315_SDRAMCTL + 0x10) - -#define SDRAM_DATA_WIDTH_M 0x00006000 -#define SDRAM_DATA_WIDTH_S 13 - -#define SDRAM_COL_WIDTH_M 0x00001E00 -#define SDRAM_COL_WIDTH_S 9 - -#define SDRAM_ROW_WIDTH_M 0x000001E0 -#define SDRAM_ROW_WIDTH_S 5 - -#define SDRAM_BANKADDR_BITS_M 0x00000018 -#define SDRAM_BANKADDR_BITS_S 3 - -/* - * SPI Flash Interface Registers - */ - -#define AR5315_SPI_CTL (AR5315_SPI + 0x00) -#define AR5315_SPI_OPCODE (AR5315_SPI + 0x04) -#define AR5315_SPI_DATA (AR5315_SPI + 0x08) - -#define SPI_CTL_START 0x00000100 -#define SPI_CTL_BUSY 0x00010000 -#define SPI_CTL_TXCNT_MASK 0x0000000f -#define SPI_CTL_RXCNT_MASK 0x000000f0 -#define SPI_CTL_TX_RX_CNT_MASK 0x000000ff -#define SPI_CTL_SIZE_MASK 0x00060000 - -#define SPI_CTL_CLK_SEL_MASK 0x03000000 -#define SPI_OPCODE_MASK 0x000000ff - -/* - * PCI-MAC Configuration registers - */ -#define PCI_MAC_RC (AR5315_PCI + 0x4000) -#define PCI_MAC_SCR (AR5315_PCI + 0x4004) -#define PCI_MAC_INTPEND (AR5315_PCI + 0x4008) -#define PCI_MAC_SFR (AR5315_PCI + 0x400C) -#define PCI_MAC_PCICFG (AR5315_PCI + 0x4010) -#define PCI_MAC_SREV (AR5315_PCI + 0x4020) - -#define PCI_MAC_RC_MAC 0x00000001 -#define PCI_MAC_RC_BB 0x00000002 - -#define PCI_MAC_SCR_SLMODE_M 0x00030000 -#define PCI_MAC_SCR_SLMODE_S 16 -#define PCI_MAC_SCR_SLM_FWAKE 0 -#define PCI_MAC_SCR_SLM_FSLEEP 1 -#define PCI_MAC_SCR_SLM_NORMAL 2 - -#define PCI_MAC_SFR_SLEEP 0x00000001 - -#define PCI_MAC_PCICFG_SPWR_DN 0x00010000 - - -/* - * PCI Bus Interface Registers - */ -#define AR5315_PCI_1MS_REG (AR5315_PCI + 0x0008) -#define AR5315_PCI_1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */ - -#define AR5315_PCI_MISC_CONFIG (AR5315_PCI + 0x000c) -#define AR5315_PCIMISC_TXD_EN 0x00000001 /* Enable TXD for fragments */ -#define AR5315_PCIMISC_CFG_SEL 0x00000002 /* mem or config cycles */ -#define AR5315_PCIMISC_GIG_MASK 0x0000000C /* bits 31-30 for pci req */ -#define AR5315_PCIMISC_RST_MODE 0x00000030 -#define AR5315_PCIRST_INPUT 0x00000000 /* 4:5=0 rst is input */ -#define AR5315_PCIRST_LOW 0x00000010 /* 4:5=1 rst to GND */ -#define AR5315_PCIRST_HIGH 0x00000020 /* 4:5=2 rst to VDD */ -#define AR5315_PCIGRANT_EN 0x00000000 /* 6:7=0 early grant en */ -#define AR5315_PCIGRANT_FRAME 0x00000040 /* 6:7=1 grant waits 4 frame */ -#define AR5315_PCIGRANT_IDLE 0x00000080 /* 6:7=2 grant waits 4 idle */ -#define AR5315_PCIGRANT_GAP 0x00000000 /* 6:7=2 grant waits 4 idle */ -#define AR5315_PCICACHE_DIS 0x00001000 /* PCI external access cache disable */ - -#define AR5315_PCI_OUT_TSTAMP (AR5315_PCI + 0x0010) - -#define AR5315_PCI_UNCACHE_CFG (AR5315_PCI + 0x0014) - -#define AR5315_PCI_IN_EN (AR5315_PCI + 0x0100) -#define AR5315_PCI_IN_EN0 0x01 /* Enable chain 0 */ -#define AR5315_PCI_IN_EN1 0x02 /* Enable chain 1 */ -#define AR5315_PCI_IN_EN2 0x04 /* Enable chain 2 */ -#define AR5315_PCI_IN_EN3 0x08 /* Enable chain 3 */ - -#define AR5315_PCI_IN_DIS (AR5315_PCI + 0x0104) -#define AR5315_PCI_IN_DIS0 0x01 /* Disable chain 0 */ -#define AR5315_PCI_IN_DIS1 0x02 /* Disable chain 1 */ -#define AR5315_PCI_IN_DIS2 0x04 /* Disable chain 2 */ -#define AR5315_PCI_IN_DIS3 0x08 /* Disable chain 3 */ - -#define AR5315_PCI_IN_PTR (AR5315_PCI + 0x0200) - -#define AR5315_PCI_OUT_EN (AR5315_PCI + 0x0400) -#define AR5315_PCI_OUT_EN0 0x01 /* Enable chain 0 */ - -#define AR5315_PCI_OUT_DIS (AR5315_PCI + 0x0404) -#define AR5315_PCI_OUT_DIS0 0x01 /* Disable chain 0 */ - -#define AR5315_PCI_OUT_PTR (AR5315_PCI + 0x0408) - -#define AR5315_PCI_INT_STATUS (AR5315_PCI + 0x0500) /* write one to clr */ -#define AR5315_PCI_TXINT 0x00000001 /* Desc In Completed */ -#define AR5315_PCI_TXOK 0x00000002 /* Desc In OK */ -#define AR5315_PCI_TXERR 0x00000004 /* Desc In ERR */ -#define AR5315_PCI_TXEOL 0x00000008 /* Desc In End-of-List */ -#define AR5315_PCI_RXINT 0x00000010 /* Desc Out Completed */ -#define AR5315_PCI_RXOK 0x00000020 /* Desc Out OK */ -#define AR5315_PCI_RXERR 0x00000040 /* Desc Out ERR */ -#define AR5315_PCI_RXEOL 0x00000080 /* Desc Out EOL */ -#define AR5315_PCI_TXOOD 0x00000200 /* Desc In Out-of-Desc */ -#define AR5315_PCI_MASK 0x0000FFFF /* Desc Mask */ -#define AR5315_PCI_EXT_INT 0x02000000 -#define AR5315_PCI_ABORT_INT 0x04000000 - -#define AR5315_PCI_INT_MASK (AR5315_PCI + 0x0504) /* same as INT_STATUS */ - -#define AR5315_PCI_INTEN_REG (AR5315_PCI + 0x0508) -#define AR5315_PCI_INT_DISABLE 0x00 /* disable pci interrupts */ -#define AR5315_PCI_INT_ENABLE 0x01 /* enable pci interrupts */ - -#define AR5315_PCI_HOST_IN_EN (AR5315_PCI + 0x0800) -#define AR5315_PCI_HOST_IN_DIS (AR5315_PCI + 0x0804) -#define AR5315_PCI_HOST_IN_PTR (AR5315_PCI + 0x0810) -#define AR5315_PCI_HOST_OUT_EN (AR5315_PCI + 0x0900) -#define AR5315_PCI_HOST_OUT_DIS (AR5315_PCI + 0x0904) -#define AR5315_PCI_HOST_OUT_PTR (AR5315_PCI + 0x0908) - - -/* - * Local Bus Interface Registers - */ -#define AR5315_LB_CONFIG (AR5315_LOCAL + 0x0000) -#define AR5315_LBCONF_OE 0x00000001 /* =1 OE is low-true */ -#define AR5315_LBCONF_CS0 0x00000002 /* =1 first CS is low-true */ -#define AR5315_LBCONF_CS1 0x00000004 /* =1 2nd CS is low-true */ -#define AR5315_LBCONF_RDY 0x00000008 /* =1 RDY is low-true */ -#define AR5315_LBCONF_WE 0x00000010 /* =1 Write En is low-true */ -#define AR5315_LBCONF_WAIT 0x00000020 /* =1 WAIT is low-true */ -#define AR5315_LBCONF_ADS 0x00000040 /* =1 Adr Strobe is low-true */ -#define AR5315_LBCONF_MOT 0x00000080 /* =0 Intel, =1 Motorola */ -#define AR5315_LBCONF_8CS 0x00000100 /* =1 8 bits CS, 0= 16bits */ -#define AR5315_LBCONF_8DS 0x00000200 /* =1 8 bits Data S, 0=16bits */ -#define AR5315_LBCONF_ADS_EN 0x00000400 /* =1 Enable ADS */ -#define AR5315_LBCONF_ADR_OE 0x00000800 /* =1 Adr cap on OE, WE or DS */ -#define AR5315_LBCONF_ADDT_MUX 0x00001000 /* =1 Adr and Data share bus */ -#define AR5315_LBCONF_DATA_OE 0x00002000 /* =1 Data cap on OE, WE, DS */ -#define AR5315_LBCONF_16DATA 0x00004000 /* =1 Data is 16 bits wide */ -#define AR5315_LBCONF_SWAPDT 0x00008000 /* =1 Byte swap data */ -#define AR5315_LBCONF_SYNC 0x00010000 /* =1 Bus synchronous to clk */ -#define AR5315_LBCONF_INT 0x00020000 /* =1 Intr is low true */ -#define AR5315_LBCONF_INT_CTR0 0x00000000 /* GND high-Z, Vdd is high-Z */ -#define AR5315_LBCONF_INT_CTR1 0x00040000 /* GND drive, Vdd is high-Z */ -#define AR5315_LBCONF_INT_CTR2 0x00080000 /* GND high-Z, Vdd drive */ -#define AR5315_LBCONF_INT_CTR3 0x000C0000 /* GND drive, Vdd drive */ -#define AR5315_LBCONF_RDY_WAIT 0x00100000 /* =1 RDY is negative of WAIT */ -#define AR5315_LBCONF_INT_PULSE 0x00200000 /* =1 Interrupt is a pulse */ -#define AR5315_LBCONF_ENABLE 0x00400000 /* =1 Falcon respond to LB */ - -#define AR5315_LB_CLKSEL (AR5315_LOCAL + 0x0004) -#define AR5315_LBCLK_EXT 0x0001 /* use external clk for lb */ - -#define AR5315_LB_1MS (AR5315_LOCAL + 0x0008) -#define AR5315_LB1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */ - -#define AR5315_LB_MISCCFG (AR5315_LOCAL + 0x000C) -#define AR5315_LBM_TXD_EN 0x00000001 /* Enable TXD for fragments */ -#define AR5315_LBM_RX_INTEN 0x00000002 /* Enable LB ints on RX ready */ -#define AR5315_LBM_MBOXWR_INTEN 0x00000004 /* Enable LB ints on mbox wr */ -#define AR5315_LBM_MBOXRD_INTEN 0x00000008 /* Enable LB ints on mbox rd */ -#define AR5315_LMB_DESCSWAP_EN 0x00000010 /* Byte swap desc enable */ -#define AR5315_LBM_TIMEOUT_MASK 0x00FFFF80 -#define AR5315_LBM_TIMEOUT_SHFT 7 -#define AR5315_LBM_PORTMUX 0x07000000 - - -#define AR5315_LB_RXTSOFF (AR5315_LOCAL + 0x0010) - -#define AR5315_LB_TX_CHAIN_EN (AR5315_LOCAL + 0x0100) -#define AR5315_LB_TXEN_0 0x01 -#define AR5315_LB_TXEN_1 0x02 -#define AR5315_LB_TXEN_2 0x04 -#define AR5315_LB_TXEN_3 0x08 - -#define AR5315_LB_TX_CHAIN_DIS (AR5315_LOCAL + 0x0104) -#define AR5315_LB_TX_DESC_PTR (AR5315_LOCAL + 0x0200) - -#define AR5315_LB_RX_CHAIN_EN (AR5315_LOCAL + 0x0400) -#define AR5315_LB_RXEN 0x01 - -#define AR5315_LB_RX_CHAIN_DIS (AR5315_LOCAL + 0x0404) -#define AR5315_LB_RX_DESC_PTR (AR5315_LOCAL + 0x0408) - -#define AR5315_LB_INT_STATUS (AR5315_LOCAL + 0x0500) -#define AR5315_INT_TX_DESC 0x0001 -#define AR5315_INT_TX_OK 0x0002 -#define AR5315_INT_TX_ERR 0x0004 -#define AR5315_INT_TX_EOF 0x0008 -#define AR5315_INT_RX_DESC 0x0010 -#define AR5315_INT_RX_OK 0x0020 -#define AR5315_INT_RX_ERR 0x0040 -#define AR5315_INT_RX_EOF 0x0080 -#define AR5315_INT_TX_TRUNC 0x0100 -#define AR5315_INT_TX_STARVE 0x0200 -#define AR5315_INT_LB_TIMEOUT 0x0400 -#define AR5315_INT_LB_ERR 0x0800 -#define AR5315_INT_MBOX_WR 0x1000 -#define AR5315_INT_MBOX_RD 0x2000 - -/* Bit definitions for INT MASK are the same as INT_STATUS */ -#define AR5315_LB_INT_MASK (AR5315_LOCAL + 0x0504) - -#define AR5315_LB_INT_EN (AR5315_LOCAL + 0x0508) -#define AR5315_LB_MBOX (AR5315_LOCAL + 0x0600) - - - -/* - * IR Interface Registers - */ -#define AR5315_IR_PKTDATA (AR5315_IR + 0x0000) - -#define AR5315_IR_PKTLEN (AR5315_IR + 0x07fc) /* 0 - 63 */ - -#define AR5315_IR_CONTROL (AR5315_IR + 0x0800) -#define AR5315_IRCTL_TX 0x00000000 /* use as tranmitter */ -#define AR5315_IRCTL_RX 0x00000001 /* use as receiver */ -#define AR5315_IRCTL_SAMPLECLK_MASK 0x00003ffe /* Sample clk divisor mask */ -#define AR5315_IRCTL_SAMPLECLK_SHFT 1 -#define AR5315_IRCTL_OUTPUTCLK_MASK 0x03ffc000 /* Output clk divisor mask */ -#define AR5315_IRCTL_OUTPUTCLK_SHFT 14 - -#define AR5315_IR_STATUS (AR5315_IR + 0x0804) -#define AR5315_IRSTS_RX 0x00000001 /* receive in progress */ -#define AR5315_IRSTS_TX 0x00000002 /* transmit in progress */ - -#define AR5315_IR_CONFIG (AR5315_IR + 0x0808) -#define AR5315_IRCFG_INVIN 0x00000001 /* invert input polarity */ -#define AR5315_IRCFG_INVOUT 0x00000002 /* invert output polarity */ -#define AR5315_IRCFG_SEQ_START_WIN_SEL 0x00000004 /* 1 => 28, 0 => 7 */ -#define AR5315_IRCFG_SEQ_START_THRESH 0x000000f0 /* */ -#define AR5315_IRCFG_SEQ_END_UNIT_SEL 0x00000100 /* */ -#define AR5315_IRCFG_SEQ_END_UNIT_THRESH 0x00007e00 /* */ -#define AR5315_IRCFG_SEQ_END_WIN_SEL 0x00008000 /* */ -#define AR5315_IRCFG_SEQ_END_WIN_THRESH 0x001f0000 /* */ -#define AR5315_IRCFG_NUM_BACKOFF_WORDS 0x01e00000 /* */ - -/* - * PCI memory constants: Memory area 1 and 2 are the same size - - * (twice the PCI_TLB_PAGE_SIZE). The definition of - * CPU_TO_PCI_MEM_SIZE is coupled with the TLB setup routine - * sysLib.c/sysTlbInit(), in that it assumes that 2 pages of size - * PCI_TLB_PAGE_SIZE are set up in the TLB for each PCI memory space. - */ - -#define CPU_TO_PCI_MEM_BASE1 0xE0000000 -#define CPU_TO_PCI_MEM_SIZE1 (2*PCI_TLB_PAGE_SIZE) - - -/* TLB attributes for PCI transactions */ - -#define PCI_MMU_PAGEMASK 0x00003FFF -#define MMU_PAGE_UNCACHED 0x00000010 -#define MMU_PAGE_DIRTY 0x00000004 -#define MMU_PAGE_VALID 0x00000002 -#define MMU_PAGE_GLOBAL 0x00000001 -#define PCI_MMU_PAGEATTRIB (MMU_PAGE_UNCACHED|MMU_PAGE_DIRTY|\ - MMU_PAGE_VALID|MMU_PAGE_GLOBAL) -#define PCI_MEMORY_SPACE1_VIRT 0xE0000000 /* Used for non-prefet mem */ -#define PCI_MEMORY_SPACE1_PHYS 0x80000000 -#define PCI_TLB_PAGE_SIZE 0x01000000 -#define TLB_HI_MASK 0xFFFFE000 -#define TLB_LO_MASK 0x3FFFFFFF -#define PAGEMASK_SHIFT 11 -#define TLB_LO_SHIFT 6 - -#define PCI_MAX_LATENCY 0xFFF /* Max PCI latency */ - -#define HOST_PCI_DEV_ID 3 -#define HOST_PCI_MBAR0 0x10000000 -#define HOST_PCI_MBAR1 0x20000000 -#define HOST_PCI_MBAR2 0x30000000 - -#define HOST_PCI_SDRAM_BASEADDR HOST_PCI_MBAR1 -#define PCI_DEVICE_MEM_SPACE 0x800000 - -#endif - diff --git a/target/linux/atheros/files/arch/mips/atheros/ar5315/board.c b/target/linux/atheros/files/arch/mips/atheros/ar5315/board.c index 8247d8548..57d17f526 100644 --- a/target/linux/atheros/files/arch/mips/atheros/ar5315/board.c +++ b/target/linux/atheros/files/arch/mips/atheros/ar5315/board.c @@ -26,7 +26,7 @@ #include #include #include -#include "../ar531x.h" +#include static int is_5315 = 0; diff --git a/target/linux/atheros/files/arch/mips/atheros/ar5315/irq.c b/target/linux/atheros/files/arch/mips/atheros/ar5315/irq.c index 750c90540..621c7fc0b 100644 --- a/target/linux/atheros/files/arch/mips/atheros/ar5315/irq.c +++ b/target/linux/atheros/files/arch/mips/atheros/ar5315/irq.c @@ -23,7 +23,9 @@ #include #include #include -#include "../ar531x.h" + +#include +#include static u32 gpiointmask = 0, gpiointval = 0; diff --git a/target/linux/atheros/files/arch/mips/atheros/ar531x.h b/target/linux/atheros/files/arch/mips/atheros/ar531x.h deleted file mode 100644 index d790a8807..000000000 --- a/target/linux/atheros/files/arch/mips/atheros/ar531x.h +++ /dev/null @@ -1,170 +0,0 @@ -#ifndef __AR531X_H -#define __AR531X_H - -#include -#include -#include -#include "ar5312/ar5312.h" -#include "ar5315/ar5315.h" - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) -extern void (*board_time_init)(void); -#endif - -/* - * C access to CLZ instruction - * (count leading zeroes). - */ -static inline int 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; -} - -/* - * Atheros CPUs before the AR2315 are using MIPS 4Kc core, later designs are - * using MIPS 4KEc R2 core. This makes it easy to determine the board at runtime. - */ -#ifdef CONFIG_ATHEROS_AR5312 -#define DO_AR5312(...) \ - if (current_cpu_data.cputype != CPU_4KEC) { \ - __VA_ARGS__ \ - } -#else -#define DO_AR5312(...) -#endif -#ifdef CONFIG_ATHEROS_AR5315 -#define DO_AR5315(...) \ - if (current_cpu_data.cputype == CPU_4KEC) { \ - __VA_ARGS__ \ - } -#else -#define DO_AR5315(...) -#endif - -#define AR531X_MISC_IRQ_BASE 0x20 -#define AR531X_GPIO_IRQ_BASE 0x30 - -/* Software's idea of interrupts handled by "CPU Interrupt Controller" */ -#define AR531X_IRQ_NONE MIPS_CPU_IRQ_BASE+0 -#define AR531X_IRQ_CPU_CLOCK MIPS_CPU_IRQ_BASE+7 /* C0_CAUSE: 0x8000 */ - -/* Miscellaneous interrupts, which share IP6 */ -#define AR531X_MISC_IRQ_NONE AR531X_MISC_IRQ_BASE+0 -#define AR531X_MISC_IRQ_TIMER AR531X_MISC_IRQ_BASE+1 -#define AR531X_MISC_IRQ_AHB_PROC AR531X_MISC_IRQ_BASE+2 -#define AR531X_MISC_IRQ_AHB_DMA AR531X_MISC_IRQ_BASE+3 -#define AR531X_MISC_IRQ_GPIO AR531X_MISC_IRQ_BASE+4 -#define AR531X_MISC_IRQ_UART0 AR531X_MISC_IRQ_BASE+5 -#define AR531X_MISC_IRQ_UART0_DMA AR531X_MISC_IRQ_BASE+6 -#define AR531X_MISC_IRQ_WATCHDOG AR531X_MISC_IRQ_BASE+7 -#define AR531X_MISC_IRQ_LOCAL AR531X_MISC_IRQ_BASE+8 -#define AR531X_MISC_IRQ_SPI AR531X_MISC_IRQ_BASE+9 -#define AR531X_MISC_IRQ_COUNT 10 - -/* GPIO Interrupts [0..7], share AR531X_MISC_IRQ_GPIO */ -#define AR531X_GPIO_IRQ_NONE AR531X_MISC_IRQ_BASE+0 -#define AR531X_GPIO_IRQ(n) AR531X_MISC_IRQ_BASE+(n)+1 -#define AR531X_GPIO_IRQ_COUNT 22 - -#define sysRegRead(phys) \ - (*(volatile u32 *)KSEG1ADDR(phys)) - -#define sysRegWrite(phys, val) \ - ((*(volatile u32 *)KSEG1ADDR(phys)) = (val)) - -/* - * This is board-specific data that is stored in a "fixed" location in flash. - * It is shared across operating systems, so it should not be changed lightly. - * The main reason we need it is in order to extract the ethernet MAC - * address(es). - */ -struct ar531x_boarddata { - u32 magic; /* board data is valid */ -#define AR531X_BD_MAGIC 0x35333131 /* "5311", for all 531x platforms */ - u16 cksum; /* checksum (starting with BD_REV 2) */ - u16 rev; /* revision of this struct */ -#define BD_REV 4 - char boardName[64]; /* Name of board */ - u16 major; /* Board major number */ - u16 minor; /* Board minor number */ - u32 config; /* Board configuration */ -#define BD_ENET0 0x00000001 /* ENET0 is stuffed */ -#define BD_ENET1 0x00000002 /* ENET1 is stuffed */ -#define BD_UART1 0x00000004 /* UART1 is stuffed */ -#define BD_UART0 0x00000008 /* UART0 is stuffed (dma) */ -#define BD_RSTFACTORY 0x00000010 /* Reset factory defaults stuffed */ -#define BD_SYSLED 0x00000020 /* System LED stuffed */ -#define BD_EXTUARTCLK 0x00000040 /* External UART clock */ -#define BD_CPUFREQ 0x00000080 /* cpu freq is valid in nvram */ -#define BD_SYSFREQ 0x00000100 /* sys freq is set in nvram */ -#define BD_WLAN0 0x00000200 /* Enable WLAN0 */ -#define BD_MEMCAP 0x00000400 /* CAP SDRAM @ memCap for testing */ -#define BD_DISWATCHDOG 0x00000800 /* disable system watchdog */ -#define BD_WLAN1 0x00001000 /* Enable WLAN1 (ar5212) */ -#define BD_ISCASPER 0x00002000 /* FLAG for AR2312 */ -#define BD_WLAN0_2G_EN 0x00004000 /* FLAG for radio0_2G */ -#define BD_WLAN0_5G_EN 0x00008000 /* FLAG for radio0_2G */ -#define BD_WLAN1_2G_EN 0x00020000 /* FLAG for radio0_2G */ -#define BD_WLAN1_5G_EN 0x00040000 /* FLAG for radio0_2G */ - u16 resetConfigGpio; /* Reset factory GPIO pin */ - u16 sysLedGpio; /* System LED GPIO pin */ - - u32 cpuFreq; /* CPU core frequency in Hz */ - u32 sysFreq; /* System frequency in Hz */ - u32 cntFreq; /* Calculated C0_COUNT frequency */ - - u8 wlan0Mac[6]; - u8 enet0Mac[6]; - u8 enet1Mac[6]; - - u16 pciId; /* Pseudo PCIID for common code */ - u16 memCap; /* cap bank1 in MB */ - - /* version 3 */ - u8 wlan1Mac[6]; /* (ar5212) */ -}; - -#define BOARD_CONFIG_BUFSZ 0x1000 - -extern char *board_config, *radio_config; -extern void serial_setup(unsigned long mapbase, unsigned int uartclk); -extern int ar531x_find_config(char *flash_limit); - -extern void ar5312_prom_init(void); -extern void ar5312_misc_intr_init(int irq_base); -extern void ar5312_plat_setup(void); -extern asmlinkage void ar5312_irq_dispatch(void); - -extern void ar5315_prom_init(void); -extern void ar5315_misc_intr_init(int irq_base); -extern void ar5315_plat_setup(void); -extern asmlinkage void ar5315_irq_dispatch(void); -extern void ar5315_pci_irq(int irq); -static inline u32 sysRegMask(u32 phys, u32 mask, u32 value) -{ - u32 reg; - - reg = sysRegRead(phys); - reg &= ~mask; - reg |= value & mask; - sysRegWrite(phys, reg); - reg = sysRegRead(phys); /* flush write to the hardware */ - - return reg; -} - -#endif diff --git a/target/linux/atheros/files/arch/mips/atheros/board.c b/target/linux/atheros/files/arch/mips/atheros/board.c index ccbda4854..59aa134a3 100644 --- a/target/linux/atheros/files/arch/mips/atheros/board.c +++ b/target/linux/atheros/files/arch/mips/atheros/board.c @@ -25,7 +25,7 @@ #include #include #include -#include "ar531x.h" +#include char *board_config, *radio_config; @@ -216,3 +216,24 @@ void __init arch_init_irq(void) DO_AR5312(ar5312_misc_intr_init(AR531X_MISC_IRQ_BASE);) DO_AR5315(ar5315_misc_intr_init(AR531X_MISC_IRQ_BASE);) } + +static int __init ar531x_register_gpiodev(void) +{ + static struct resource res = { + .start = 0xFFFFFFFF, + }; + struct platform_device *pdev; + + printk(KERN_INFO "ar531x: Registering GPIODEV device\n"); + + pdev = platform_device_register_simple("GPIODEV", 0, &res, 1); + + if (!pdev) { + printk(KERN_ERR "ar531x: GPIODEV init failed\n"); + return -ENODEV; + } + + return 0; +} + +device_initcall(ar531x_register_gpiodev); diff --git a/target/linux/atheros/files/arch/mips/atheros/gpio.c b/target/linux/atheros/files/arch/mips/atheros/gpio.c new file mode 100644 index 000000000..5e34c857c --- /dev/null +++ b/target/linux/atheros/files/arch/mips/atheros/gpio.c @@ -0,0 +1,339 @@ +/* + * 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) 2003 Atheros Communications, Inc., All Rights Reserved. + * Copyright (C) 2006 FON Technology, SL. + * Copyright (C) 2006 Imre Kaloz + * Copyright (C) 2007 Othello + */ + +/* + * Support for AR531X GPIO -- General Purpose Input/Output Pins + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include "ar531x.h" +/* + GPIO Interrupt Support + Make use of request_irq() and the function gpio_to_irq() to trap gpio events + */ + +/* Global variables */ +static u32 ar531x_gpio_intr_Mask = 0; +/* + AR5312: I don't have any devices with this chip. Assumed to be similar to AR5215 + will someone who has one try the code and remove this message if it works? + */ + +#ifdef CONFIG_ATHEROS_AR5315 +/* + AR5315: Up to 2 GPIO pins may be monitored simultaneously + specifying more pins if you already have 2 will not have any effect + however, the excess gpio irqs will also be triggered if a valid gpio being monitored triggers + only high, low or edge triggered interrupt supported + */ +static unsigned int ar5315_gpio_set_type_gpio = 0; +static unsigned int ar5315_gpio_set_type_lvl = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING; +#endif + +#ifdef CONFIG_ATHEROS_AR5312 +/* Enable the specified AR5312_GPIO_IRQ interrupt */ +static void ar5312_gpio_intr_enable(unsigned int irq) { + u32 reg; + unsigned int gpio; + unsigned int imr; + + gpio = irq - (AR531X_GPIO_IRQ(0)); + if (gpio >= AR531X_NUM_GPIO) + return; + ar531x_gpio_intr_Mask |= (1<= AR531X_NUM_GPIO) + return; + + reg = sysRegRead(AR531X_GPIO_CR); + reg &= ~(AR531X_GPIO_CR_M(gpio) | AR531X_GPIO_CR_UART(gpio) | AR531X_GPIO_CR_INT(gpio)); + reg |= AR531X_GPIO_CR_I(gpio); + /* No GPIO_CR_INT bit */ + + sysRegWrite(AR531X_GPIO_CR, reg); + (void)sysRegRead(AR531X_GPIO_CR); /* flush to hardware */ + + /* Disable Interrupt if no gpio needs triggering */ + if (ar531x_gpio_intr_Mask != 0) { + unsigned int imr; + + imr = sysRegRead(AR531X_IMR); + imr &= ~AR531X_ISR_GPIO; + sysRegWrite(AR531X_IMR, imr); + imr = sysRegRead(AR531X_IMR); /* flush write buffer */ + } + + ar531x_gpio_intr_Mask &= ~(1<= AR5315_NUM_GPIO) + return; + ar531x_gpio_intr_Mask |= (1<= AR5315_NUM_GPIO) + return; + + reg = sysRegRead(AR5315_GPIO_CR); + reg &= ~(AR5315_GPIO_CR_M(gpio)); + reg |= AR5315_GPIO_CR_I(gpio); + sysRegWrite(AR5315_GPIO_CR, reg); + (void)sysRegRead(AR5315_GPIO_CR); /* flush write to hardware */ + + /* Locate a the correct register slot to disable gpio intr */ + reg = sysRegRead(AR5315_GPIO_INT); + for (i=0 ; i<=AR5315_GPIO_INT_MAX_Y ; i++) { + /* If this correct */ + if ( AR5315_GPIO_INT_S(i) == + (reg & AR5315_GPIO_INT_M) ) { + /* Clear the gpio level trigger mode */ + reg &= ~(AR5315_GPIO_INT_LVL_M); + + sysRegWrite(AR5315_GPIO_INT, reg); + (void)sysRegRead(AR5315_GPIO_INT); /* flush write to hardware */ + break; + } /* end if trigger level for slot i is 0 */ + } /* end for each slot */ + + /* Disable interrupt only if no gpio needs triggering */ + if (ar531x_gpio_intr_Mask != 0) { + unsigned int imr; + + imr = sysRegRead(AR5315_IMR); + imr &= ~AR5315_ISR_GPIO; + sysRegWrite(AR5315_IMR, imr); + imr = sysRegRead(AR5315_IMR); /* flush write buffer */ + } + + ar531x_gpio_intr_Mask &= ~(1< AR5315_NUM_GPIO) + return -EINVAL; + switch (flow_type & IRQF_TRIGGER_MASK) { + case IRQF_TRIGGER_RISING: + case IRQF_TRIGGER_FALLING: + printk(KERN_WARNING "AR5315 GPIO %u falling back to edge triggered\n", ar5315_gpio_set_type_gpio); + case IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING: + ar5315_gpio_set_type_lvl = AR5315_GPIO_INT_LVL_EDGE; + break; + case IRQF_TRIGGER_LOW: + ar5315_gpio_set_type_lvl = AR5315_GPIO_INT_LVL_LOW; + break; + case IRQF_TRIGGER_HIGH: + ar5315_gpio_set_type_lvl = AR5315_GPIO_INT_LVL_HIGH; + break; + default: + return -EINVAL; + } + return 0; +} + +asmlinkage void ar5315_gpio_irq_dispatch(void){ + int i; + u32 gpioIntPending; + gpioIntPending = sysRegRead(AR5315_GPIO_DI) & ar531x_gpio_intr_Mask; + sysRegWrite(AR5315_ISR, sysRegRead(AR5315_IMR) | ~AR5315_ISR_GPIO); + for (i=0; i #include -#include "ar531x.h" +#include void __init prom_init(void) { diff --git a/target/linux/atheros/files/arch/mips/atheros/reset.c b/target/linux/atheros/files/arch/mips/atheros/reset.c index 52fa3bbfc..3230aa115 100644 --- a/target/linux/atheros/files/arch/mips/atheros/reset.c +++ b/target/linux/atheros/files/arch/mips/atheros/reset.c @@ -7,8 +7,7 @@ #include #include #include -#include "ar531x.h" -#include "ar5315/ar5315.h" +#include #define AR531X_RESET_GPIO_IRQ (AR531X_GPIO_IRQ_BASE + bcfg->resetConfigGpio) diff --git a/target/linux/atheros/files/include/asm-mips/mach-atheros/ar5312/ar5312.h b/target/linux/atheros/files/include/asm-mips/mach-atheros/ar5312/ar5312.h new file mode 100644 index 000000000..2b6b875b4 --- /dev/null +++ b/target/linux/atheros/files/include/asm-mips/mach-atheros/ar5312/ar5312.h @@ -0,0 +1,234 @@ +/* + * 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) 2003 Atheros Communications, Inc., All Rights Reserved. + * Copyright (C) 2006 Imre Kaloz + * Copyright (C) 2006 Felix Fietkau + */ + +#ifndef AR5312_H +#define AR5312_H + +#include + +/* + * IRQs + */ + +#define AR5312_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */ +#define AR5312_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */ +#define AR5312_IRQ_ENET1_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */ +#define AR5312_IRQ_WLAN1_INTRS MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */ +#define AR5312_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */ + + +/* Address Map */ +#define AR531X_WLAN0 0x18000000 +#define AR531X_WLAN1 0x18500000 +#define AR531X_ENET0 0x18100000 +#define AR531X_ENET1 0x18200000 +#define AR531X_SDRAMCTL 0x18300000 +#define AR531X_FLASHCTL 0x18400000 +#define AR531X_APBBASE 0x1c000000 +#define AR531X_FLASH 0x1e000000 +#define AR531X_UART0 0xbc000003 /* UART MMR */ + +/* + * AR531X_NUM_ENET_MAC defines the number of ethernet MACs that + * should be considered available. The AR5312 supports 2 enet MACS, + * even though many reference boards only actually use 1 of them + * (i.e. Only MAC 0 is actually connected to an enet PHY or PHY switch. + * The AR2312 supports 1 enet MAC. + */ +#define AR531X_NUM_ENET_MAC 2 + +/* + * Need these defines to determine true number of ethernet MACs + */ +#define AR5212_AR5312_REV2 0x0052 /* AR5312 WMAC (AP31) */ +#define AR5212_AR5312_REV7 0x0057 /* AR5312 WMAC (AP30-040) */ +#define AR5212_AR2313_REV8 0x0058 /* AR2313 WMAC (AP43-030) */ +#define AR531X_RADIO_MASK_OFF 0xc8 +#define AR531X_RADIO0_MASK 0x0003 +#define AR531X_RADIO1_MASK 0x000c +#define AR531X_RADIO1_S 2 + +/* + * AR531X_NUM_WMAC defines the number of Wireless MACs that\ + * should be considered available. + */ +#define AR531X_NUM_WMAC 2 + +/* Reset/Timer Block Address Map */ +#define AR531X_RESETTMR (AR531X_APBBASE + 0x3000) +#define AR531X_TIMER (AR531X_RESETTMR + 0x0000) /* countdown timer */ +#define AR531X_WD_CTRL (AR531X_RESETTMR + 0x0008) /* watchdog cntrl */ +#define AR531X_WD_TIMER (AR531X_RESETTMR + 0x000c) /* watchdog timer */ +#define AR531X_ISR (AR531X_RESETTMR + 0x0010) /* Intr Status Reg */ +#define AR531X_IMR (AR531X_RESETTMR + 0x0014) /* Intr Mask Reg */ +#define AR531X_RESET (AR531X_RESETTMR + 0x0020) +#define AR5312_CLOCKCTL1 (AR531X_RESETTMR + 0x0064) +#define AR5312_SCRATCH (AR531X_RESETTMR + 0x006c) +#define AR531X_PROCADDR (AR531X_RESETTMR + 0x0070) +#define AR531X_PROC1 (AR531X_RESETTMR + 0x0074) +#define AR531X_DMAADDR (AR531X_RESETTMR + 0x0078) +#define AR531X_DMA1 (AR531X_RESETTMR + 0x007c) +#define AR531X_ENABLE (AR531X_RESETTMR + 0x0080) /* interface enb */ +#define AR531X_REV (AR531X_RESETTMR + 0x0090) /* revision */ + +/* AR531X_WD_CTRL register bit field definitions */ +#define AR531X_WD_CTRL_IGNORE_EXPIRATION 0x0000 +#define AR531X_WD_CTRL_NMI 0x0001 +#define AR531X_WD_CTRL_RESET 0x0002 + +/* AR531X_ISR register bit field definitions */ +#define AR531X_ISR_NONE 0x0000 +#define AR531X_ISR_TIMER 0x0001 +#define AR531X_ISR_AHBPROC 0x0002 +#define AR531X_ISR_AHBDMA 0x0004 +#define AR531X_ISR_GPIO 0x0008 +#define AR531X_ISR_UART0 0x0010 +#define AR531X_ISR_UART0DMA 0x0020 +#define AR531X_ISR_WD 0x0040 +#define AR531X_ISR_LOCAL 0x0080 + +/* AR531X_RESET register bit field definitions */ +#define AR531X_RESET_SYSTEM 0x00000001 /* cold reset full system */ +#define AR531X_RESET_PROC 0x00000002 /* cold reset MIPS core */ +#define AR531X_RESET_WLAN0 0x00000004 /* cold reset WLAN MAC and BB */ +#define AR531X_RESET_EPHY0 0x00000008 /* cold reset ENET0 phy */ +#define AR531X_RESET_EPHY1 0x00000010 /* cold reset ENET1 phy */ +#define AR531X_RESET_ENET0 0x00000020 /* cold reset ENET0 mac */ +#define AR531X_RESET_ENET1 0x00000040 /* cold reset ENET1 mac */ +#define AR531X_RESET_UART0 0x00000100 /* cold reset UART0 (high speed) */ +#define AR531X_RESET_WLAN1 0x00000200 /* cold reset WLAN MAC/BB */ +#define AR531X_RESET_APB 0x00000400 /* cold reset APB (ar5312) */ +#define AR531X_RESET_WARM_PROC 0x00001000 /* warm reset MIPS core */ +#define AR531X_RESET_WARM_WLAN0_MAC 0x00002000 /* warm reset WLAN0 MAC */ +#define AR531X_RESET_WARM_WLAN0_BB 0x00004000 /* warm reset WLAN0 BaseBand */ +#define AR531X_RESET_NMI 0x00010000 /* send an NMI to the processor */ +#define AR531X_RESET_WARM_WLAN1_MAC 0x00020000 /* warm reset WLAN1 mac */ +#define AR531X_RESET_WARM_WLAN1_BB 0x00040000 /* warm reset WLAN1 baseband */ +#define AR531X_RESET_LOCAL_BUS 0x00080000 /* reset local bus */ +#define AR531X_RESET_WDOG 0x00100000 /* last reset was a watchdog */ + +#define AR531X_RESET_WMAC0_BITS \ + AR531X_RESET_WLAN0 |\ + AR531X_RESET_WARM_WLAN0_MAC |\ + AR531X_RESET_WARM_WLAN0_BB + +#define AR531X_RESERT_WMAC1_BITS \ + AR531X_RESET_WLAN1 |\ + AR531X_RESET_WARM_WLAN1_MAC |\ + AR531X_RESET_WARM_WLAN1_BB + +/* AR5312_CLOCKCTL1 register bit field definitions */ +#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030 +#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4 +#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00 +#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8 +#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000 + +/* Valid for AR5312 and AR2312 */ +#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030 +#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4 +#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00 +#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8 +#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000 + +/* Valid for AR2313 */ +#define AR2313_CLOCKCTL1_PREDIVIDE_MASK 0x00003000 +#define AR2313_CLOCKCTL1_PREDIVIDE_SHIFT 12 +#define AR2313_CLOCKCTL1_MULTIPLIER_MASK 0x001f0000 +#define AR2313_CLOCKCTL1_MULTIPLIER_SHIFT 16 +#define AR2313_CLOCKCTL1_DOUBLER_MASK 0x00000000 + + +/* AR531X_ENABLE register bit field definitions */ +#define AR531X_ENABLE_WLAN0 0x0001 +#define AR531X_ENABLE_ENET0 0x0002 +#define AR531X_ENABLE_ENET1 0x0004 +#define AR531X_ENABLE_UART_AND_WLAN1_PIO 0x0008 /* UART, and WLAN1 PIOs */ +#define AR531X_ENABLE_WLAN1_DMA 0x0010 /* WLAN1 DMAs */ +#define AR531X_ENABLE_WLAN1 \ + (AR531X_ENABLE_UART_AND_WLAN1_PIO | AR531X_ENABLE_WLAN1_DMA) + +/* AR531X_REV register bit field definitions */ +#define AR531X_REV_WMAC_MAJ 0xf000 +#define AR531X_REV_WMAC_MAJ_S 12 +#define AR531X_REV_WMAC_MIN 0x0f00 +#define AR531X_REV_WMAC_MIN_S 8 +#define AR531X_REV_MAJ 0x00f0 +#define AR531X_REV_MAJ_S 4 +#define AR531X_REV_MIN 0x000f +#define AR531X_REV_MIN_S 0 +#define AR531X_REV_CHIP (AR531X_REV_MAJ|AR531X_REV_MIN) + +/* Major revision numbers, bits 7..4 of Revision ID register */ +#define AR531X_REV_MAJ_AR5312 0x4 +#define AR531X_REV_MAJ_AR2313 0x5 + +/* Minor revision numbers, bits 3..0 of Revision ID register */ +#define AR5312_REV_MIN_DUAL 0x0 /* Dual WLAN version */ +#define AR5312_REV_MIN_SINGLE 0x1 /* Single WLAN version */ + +/* AR531X_FLASHCTL register bit field definitions */ +#define FLASHCTL_IDCY 0x0000000f /* Idle cycle turn around time */ +#define FLASHCTL_IDCY_S 0 +#define FLASHCTL_WST1 0x000003e0 /* Wait state 1 */ +#define FLASHCTL_WST1_S 5 +#define FLASHCTL_RBLE 0x00000400 /* Read byte lane enable */ +#define FLASHCTL_WST2 0x0000f800 /* Wait state 2 */ +#define FLASHCTL_WST2_S 11 +#define FLASHCTL_AC 0x00070000 /* Flash address check (added) */ +#define FLASHCTL_AC_S 16 +#define FLASHCTL_AC_128K 0x00000000 +#define FLASHCTL_AC_256K 0x00010000 +#define FLASHCTL_AC_512K 0x00020000 +#define FLASHCTL_AC_1M 0x00030000 +#define FLASHCTL_AC_2M 0x00040000 +#define FLASHCTL_AC_4M 0x00050000 +#define FLASHCTL_AC_8M 0x00060000 +#define FLASHCTL_AC_RES 0x00070000 /* 16MB is not supported */ +#define FLASHCTL_E 0x00080000 /* Flash bank enable (added) */ +#define FLASHCTL_BUSERR 0x01000000 /* Bus transfer error status flag */ +#define FLASHCTL_WPERR 0x02000000 /* Write protect error status flag */ +#define FLASHCTL_WP 0x04000000 /* Write protect */ +#define FLASHCTL_BM 0x08000000 /* Burst mode */ +#define FLASHCTL_MW 0x30000000 /* Memory width */ +#define FLASHCTL_MWx8 0x00000000 /* Memory width x8 */ +#define FLASHCTL_MWx16 0x10000000 /* Memory width x16 */ +#define FLASHCTL_MWx32 0x20000000 /* Memory width x32 (not supported) */ +#define FLASHCTL_ATNR 0x00000000 /* Access type == no retry */ +#define FLASHCTL_ATR 0x80000000 /* Access type == retry every */ +#define FLASHCTL_ATR4 0xc0000000 /* Access type == retry every 4 */ + +/* ARM Flash Controller -- 3 flash banks with either x8 or x16 devices. */ +#define AR531X_FLASHCTL0 (AR531X_FLASHCTL + 0x00) +#define AR531X_FLASHCTL1 (AR531X_FLASHCTL + 0x04) +#define AR531X_FLASHCTL2 (AR531X_FLASHCTL + 0x08) + +/* ARM SDRAM Controller -- just enough to determine memory size */ +#define AR531X_MEM_CFG1 (AR531X_SDRAMCTL + 0x04) +#define MEM_CFG1_AC0 0x00000700 /* bank 0: SDRAM addr check (added) */ +#define MEM_CFG1_AC0_S 8 +#define MEM_CFG1_AC1 0x00007000 /* bank 1: SDRAM addr check (added) */ +#define MEM_CFG1_AC1_S 12 + +/* GPIO Address Map */ +#define AR531X_GPIO (AR531X_APBBASE + 0x2000) +#define AR531X_GPIO_DO (AR531X_GPIO + 0x00) /* output register */ +#define AR531X_GPIO_DI (AR531X_GPIO + 0x04) /* intput register */ +#define AR531X_GPIO_CR (AR531X_GPIO + 0x08) /* control register */ + +/* GPIO Control Register bit field definitions */ +#define AR531X_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */ +#define AR531X_GPIO_CR_O(x) (0 << (x)) /* mask for output */ +#define AR531X_GPIO_CR_I(x) (1 << (x)) /* mask for input */ +#define AR531X_GPIO_CR_INT(x) (1 << ((x)+8)) /* mask for interrupt */ +#define AR531X_GPIO_CR_UART(x) (1 << ((x)+16)) /* uart multiplex */ + +#endif + diff --git a/target/linux/atheros/files/include/asm-mips/mach-atheros/ar5315/ar5315.h b/target/linux/atheros/files/include/asm-mips/mach-atheros/ar5315/ar5315.h new file mode 100644 index 000000000..3930cb905 --- /dev/null +++ b/target/linux/atheros/files/include/asm-mips/mach-atheros/ar5315/ar5315.h @@ -0,0 +1,694 @@ +/* + * 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) 2003 Atheros Communications, Inc., All Rights Reserved. + * Copyright (C) 2006 FON Technology, SL. + * Copyright (C) 2006 Imre Kaloz + * Copyright (C) 2006 Felix Fietkau + */ + +#ifndef AR5315_H +#define AR5315_H + +/* + * IRQs + */ +#define AR5315_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */ +#define AR5315_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */ +#define AR5315_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */ +#define AR5315_IRQ_LCBUS_PCI MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */ +#define AR5315_IRQ_WLAN0_POLL MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */ + + +/* + * Address map + */ +#define AR5315_SDRAM0 0x00000000 /* DRAM */ +#define AR5315_SPI_READ 0x08000000 /* SPI FLASH */ +#define AR5315_WLAN0 0xB0000000 /* Wireless MMR */ +#define AR5315_PCI 0xB0100000 /* PCI MMR */ +#define AR5315_SDRAMCTL 0xB0300000 /* SDRAM MMR */ +#define AR5315_LOCAL 0xB0400000 /* LOCAL BUS MMR */ +#define AR5315_ENET0 0xB0500000 /* ETHERNET MMR */ +#define AR5315_DSLBASE 0xB1000000 /* RESET CONTROL MMR */ +#define AR5315_UART0 0xB1100003 /* UART MMR */ +#define AR5315_SPI 0xB1300000 /* SPI FLASH MMR */ +#define AR5315_FLASHBT 0xBfc00000 /* ro boot alias to FLASH */ +#define AR5315_RAM1 0x40000000 /* ram alias */ +#define AR5315_PCIEXT 0x80000000 /* pci external */ +#define AR5315_RAM2 0xc0000000 /* ram alias */ +#define AR5315_RAM3 0xe0000000 /* ram alias */ + +/* + * Reset Register + */ +#define AR5315_COLD_RESET (AR5315_DSLBASE + 0x0000) + +/* Cold Reset */ +#define RESET_COLD_AHB 0x00000001 +#define RESET_COLD_APB 0x00000002 +#define RESET_COLD_CPU 0x00000004 +#define RESET_COLD_CPUWARM 0x00000008 +#define RESET_SYSTEM (RESET_COLD_CPU | RESET_COLD_APB | RESET_COLD_AHB) /* full system */ + +#define AR5317_RESET_SYSTEM 0x00000010 + +/* Warm Reset */ + +#define AR5315_RESET (AR5315_DSLBASE + 0x0004) + +#define AR5315_RESET_WARM_WLAN0_MAC 0x00000001 /* warm reset WLAN0 MAC */ +#define AR5315_RESET_WARM_WLAN0_BB 0x00000002 /* warm reset WLAN0 BaseBand */ +#define AR5315_RESET_MPEGTS_RSVD 0x00000004 /* warm reset MPEG-TS */ +#define AR5315_RESET_PCIDMA 0x00000008 /* warm reset PCI ahb/dma */ +#define AR5315_RESET_MEMCTL 0x00000010 /* warm reset memory controller */ +#define AR5315_RESET_LOCAL 0x00000020 /* warm reset local bus */ +#define AR5315_RESET_I2C_RSVD 0x00000040 /* warm reset I2C bus */ +#define AR5315_RESET_SPI 0x00000080 /* warm reset SPI interface */ +#define AR5315_RESET_UART0 0x00000100 /* warm reset UART0 */ +#define AR5315_RESET_IR_RSVD 0x00000200 /* warm reset IR interface */ +#define AR5315_RESET_EPHY0 0x00000400 /* cold reset ENET0 phy */ +#define AR5315_RESET_ENET0 0x00000800 /* cold reset ENET0 mac */ + +/* + * AHB master arbitration control + */ +#define AR5315_AHB_ARB_CTL (AR5315_DSLBASE + 0x0008) + +#define ARB_CPU 0x00000001 /* CPU, default */ +#define ARB_WLAN 0x00000002 /* WLAN */ +#define ARB_MPEGTS_RSVD 0x00000004 /* MPEG-TS */ +#define ARB_LOCAL 0x00000008 /* LOCAL */ +#define ARB_PCI 0x00000010 /* PCI */ +#define ARB_ETHERNET 0x00000020 /* Ethernet */ +#define ARB_RETRY 0x00000100 /* retry policy, debug only */ + +/* + * Config Register + */ +#define AR5315_ENDIAN_CTL (AR5315_DSLBASE + 0x000c) + +#define AR5315_CONFIG_AHB 0x00000001 /* EC - AHB bridge endianess */ +#define AR5315_CONFIG_WLAN 0x00000002 /* WLAN byteswap */ +#define AR5315_CONFIG_MPEGTS_RSVD 0x00000004 /* MPEG-TS byteswap */ +#define AR5315_CONFIG_PCI 0x00000008 /* PCI byteswap */ +#define AR5315_CONFIG_MEMCTL 0x00000010 /* Memory controller endianess */ +#define AR5315_CONFIG_LOCAL 0x00000020 /* Local bus byteswap */ +#define AR5315_CONFIG_ETHERNET 0x00000040 /* Ethernet byteswap */ + +#define AR5315_CONFIG_MERGE 0x00000200 /* CPU write buffer merge */ +#define AR5315_CONFIG_CPU 0x00000400 /* CPU big endian */ +#define AR5315_CONFIG_PCIAHB 0x00000800 +#define AR5315_CONFIG_PCIAHB_BRIDGE 0x00001000 +#define AR5315_CONFIG_SPI 0x00008000 /* SPI byteswap */ +#define AR5315_CONFIG_CPU_DRAM 0x00010000 +#define AR5315_CONFIG_CPU_PCI 0x00020000 +#define AR5315_CONFIG_CPU_MMR 0x00040000 +#define AR5315_CONFIG_BIG 0x00000400 + + +/* + * NMI control + */ +#define AR5315_NMI_CTL (AR5315_DSLBASE + 0x0010) + +#define NMI_EN 1 + +/* + * Revision Register - Initial value is 0x3010 (WMAC 3.0, AR531X 1.0). + */ +#define AR5315_SREV (AR5315_DSLBASE + 0x0014) + +#define AR5315_REV_MAJ 0x00f0 +#define AR5315_REV_MAJ_S 4 +#define AR5315_REV_MIN 0x000f +#define AR5315_REV_MIN_S 0 +#define AR5315_REV_CHIP (AR5315_REV_MAJ|AR5315_REV_MIN) + +/* + * Interface Enable + */ +#define AR5315_IF_CTL (AR5315_DSLBASE + 0x0018) + +#define IF_MASK 0x00000007 +#define IF_DISABLED 0 +#define IF_PCI 1 +#define IF_TS_LOCAL 2 +#define IF_ALL 3 /* only for emulation with separate pins */ +#define IF_LOCAL_HOST 0x00000008 +#define IF_PCI_HOST 0x00000010 +#define IF_PCI_INTR 0x00000020 +#define IF_PCI_CLK_MASK 0x00030000 +#define IF_PCI_CLK_INPUT 0 +#define IF_PCI_CLK_OUTPUT_LOW 1 +#define IF_PCI_CLK_OUTPUT_CLK 2 +#define IF_PCI_CLK_OUTPUT_HIGH 3 +#define IF_PCI_CLK_SHIFT 16 + + +/* Major revision numbers, bits 7..4 of Revision ID register */ +#define REV_MAJ_AR5311 0x01 +#define REV_MAJ_AR5312 0x04 +#define REV_MAJ_AR5315 0x0B + +/* + * APB Interrupt control + */ + +#define AR5315_ISR (AR5315_DSLBASE + 0x0020) +#define AR5315_IMR (AR5315_DSLBASE + 0x0024) +#define AR5315_GISR (AR5315_DSLBASE + 0x0028) + +#define AR5315_ISR_UART0 0x0001 /* high speed UART */ +#define AR5315_ISR_I2C_RSVD 0x0002 /* I2C bus */ +#define AR5315_ISR_SPI 0x0004 /* SPI bus */ +#define AR5315_ISR_AHB 0x0008 /* AHB error */ +#define AR5315_ISR_APB 0x0010 /* APB error */ +#define AR5315_ISR_TIMER 0x0020 /* timer */ +#define AR5315_ISR_GPIO 0x0040 /* GPIO */ +#define AR5315_ISR_WD 0x0080 /* watchdog */ +#define AR5315_ISR_IR_RSVD 0x0100 /* IR */ + +#define AR5315_GISR_MISC 0x0001 +#define AR5315_GISR_WLAN0 0x0002 +#define AR5315_GISR_MPEGTS_RSVD 0x0004 +#define AR5315_GISR_LOCALPCI 0x0008 +#define AR5315_GISR_WMACPOLL 0x0010 +#define AR5315_GISR_TIMER 0x0020 +#define AR5315_GISR_ETHERNET 0x0040 + +/* + * Interrupt routing from IO to the processor IP bits + * Define our inter mask and level + */ +#define AR5315_INTR_MISCIO SR_IBIT3 +#define AR5315_INTR_WLAN0 SR_IBIT4 +#define AR5315_INTR_ENET0 SR_IBIT5 +#define AR5315_INTR_LOCALPCI SR_IBIT6 +#define AR5315_INTR_WMACPOLL SR_IBIT7 +#define AR5315_INTR_COMPARE SR_IBIT8 + +/* + * Timers + */ +#define AR5315_TIMER (AR5315_DSLBASE + 0x0030) +#define AR5315_RELOAD (AR5315_DSLBASE + 0x0034) +#define AR5315_WD (AR5315_DSLBASE + 0x0038) +#define AR5315_WDC (AR5315_DSLBASE + 0x003c) + +#define WDC_RESET 0x00000002 /* reset on watchdog */ +#define WDC_NMI 0x00000001 /* NMI on watchdog */ +#define WDC_IGNORE_EXPIRATION 0x00000000 + +/* + * CPU Performance Counters + */ +#define AR5315_PERFCNT0 (AR5315_DSLBASE + 0x0048) +#define AR5315_PERFCNT1 (AR5315_DSLBASE + 0x004c) + +#define PERF_DATAHIT 0x0001 /* Count Data Cache Hits */ +#define PERF_DATAMISS 0x0002 /* Count Data Cache Misses */ +#define PERF_INSTHIT 0x0004 /* Count Instruction Cache Hits */ +#define PERF_INSTMISS 0x0008 /* Count Instruction Cache Misses */ +#define PERF_ACTIVE 0x0010 /* Count Active Processor Cycles */ +#define PERF_WBHIT 0x0020 /* Count CPU Write Buffer Hits */ +#define PERF_WBMISS 0x0040 /* Count CPU Write Buffer Misses */ + +#define PERF_EB_ARDY 0x0001 /* Count EB_ARdy signal */ +#define PERF_EB_AVALID 0x0002 /* Count EB_AValid signal */ +#define PERF_EB_WDRDY 0x0004 /* Count EB_WDRdy signal */ +#define PERF_EB_RDVAL 0x0008 /* Count EB_RdVal signal */ +#define PERF_VRADDR 0x0010 /* Count valid read address cycles */ +#define PERF_VWADDR 0x0020 /* Count valid write address cycles */ +#define PERF_VWDATA 0x0040 /* Count valid write data cycles */ + +/* + * AHB Error Reporting. + */ +#define AR5315_AHB_ERR0 (AR5315_DSLBASE + 0x0050) /* error */ +#define AR5315_AHB_ERR1 (AR5315_DSLBASE + 0x0054) /* haddr */ +#define AR5315_AHB_ERR2 (AR5315_DSLBASE + 0x0058) /* hwdata */ +#define AR5315_AHB_ERR3 (AR5315_DSLBASE + 0x005c) /* hrdata */ +#define AR5315_AHB_ERR4 (AR5315_DSLBASE + 0x0060) /* status */ + +#define AHB_ERROR_DET 1 /* AHB Error has been detected, */ + /* write 1 to clear all bits in ERR0 */ +#define AHB_ERROR_OVR 2 /* AHB Error overflow has been detected */ +#define AHB_ERROR_WDT 4 /* AHB Error due to wdt instead of hresp */ + +#define PROCERR_HMAST 0x0000000f +#define PROCERR_HMAST_DFLT 0 +#define PROCERR_HMAST_WMAC 1 +#define PROCERR_HMAST_ENET 2 +#define PROCERR_HMAST_PCIENDPT 3 +#define PROCERR_HMAST_LOCAL 4 +#define PROCERR_HMAST_CPU 5 +#define PROCERR_HMAST_PCITGT 6 + +#define PROCERR_HMAST_S 0 +#define PROCERR_HWRITE 0x00000010 +#define PROCERR_HSIZE 0x00000060 +#define PROCERR_HSIZE_S 5 +#define PROCERR_HTRANS 0x00000180 +#define PROCERR_HTRANS_S 7 +#define PROCERR_HBURST 0x00000e00 +#define PROCERR_HBURST_S 9 + + + +/* + * Clock Control + */ +#define AR5315_PLLC_CTL (AR5315_DSLBASE + 0x0064) +#define AR5315_PLLV_CTL (AR5315_DSLBASE + 0x0068) +#define AR5315_CPUCLK (AR5315_DSLBASE + 0x006c) +#define AR5315_AMBACLK (AR5315_DSLBASE + 0x0070) +#define AR5315_SYNCCLK (AR5315_DSLBASE + 0x0074) +#define AR5315_DSL_SLEEP_CTL (AR5315_DSLBASE + 0x0080) +#define AR5315_DSL_SLEEP_DUR (AR5315_DSLBASE + 0x0084) + +/* PLLc Control fields */ +#define PLLC_REF_DIV_M 0x00000003 +#define PLLC_REF_DIV_S 0 +#define PLLC_FDBACK_DIV_M 0x0000007C +#define PLLC_FDBACK_DIV_S 2 +#define PLLC_ADD_FDBACK_DIV_M 0x00000080 +#define PLLC_ADD_FDBACK_DIV_S 7 +#define PLLC_CLKC_DIV_M 0x0001c000 +#define PLLC_CLKC_DIV_S 14 +#define PLLC_CLKM_DIV_M 0x00700000 +#define PLLC_CLKM_DIV_S 20 + +/* CPU CLK Control fields */ +#define CPUCLK_CLK_SEL_M 0x00000003 +#define CPUCLK_CLK_SEL_S 0 +#define CPUCLK_CLK_DIV_M 0x0000000c +#define CPUCLK_CLK_DIV_S 2 + +/* AMBA CLK Control fields */ +#define AMBACLK_CLK_SEL_M 0x00000003 +#define AMBACLK_CLK_SEL_S 0 +#define AMBACLK_CLK_DIV_M 0x0000000c +#define AMBACLK_CLK_DIV_S 2 + +#if defined(COBRA_EMUL) +#define AR5315_AMBA_CLOCK_RATE 20000000 +#define AR5315_CPU_CLOCK_RATE 40000000 +#else +#if defined(DEFAULT_PLL) +#define AR5315_AMBA_CLOCK_RATE 40000000 +#define AR5315_CPU_CLOCK_RATE 40000000 +#else +#define AR5315_AMBA_CLOCK_RATE 92000000 +#define AR5315_CPU_CLOCK_RATE 184000000 +#endif /* ! DEFAULT_PLL */ +#endif /* ! COBRA_EMUL */ + +#define AR5315_UART_CLOCK_RATE AR5315_AMBA_CLOCK_RATE +#define AR5315_SDRAM_CLOCK_RATE AR5315_AMBA_CLOCK_RATE + +/* + * The UART computes baud rate as: + * baud = clock / (16 * divisor) + * where divisor is specified as a High Byte (DLM) and a Low Byte (DLL). + */ +#define DESIRED_BAUD_RATE 38400 + + +#define CLOCKCTL_UART0 0x0010 /* enable UART0 external clock */ + + + /* + * Applicable "PCICFG" bits for WLAN(s). Assoc status and LED mode. + */ +#define ASSOC_STATUS_M 0x00000003 +#define ASSOC_STATUS_NONE 0 +#define ASSOC_STATUS_PENDING 1 +#define ASSOC_STATUS_ASSOCIATED 2 +#define LED_MODE_M 0x0000001c +#define LED_BLINK_THRESHOLD_M 0x000000e0 +#define LED_SLOW_BLINK_MODE 0x00000100 + +/* + * GPIO + */ + +#define AR5315_GPIO_DI (AR5315_DSLBASE + 0x0088) +#define AR5315_GPIO_DO (AR5315_DSLBASE + 0x0090) +#define AR5315_GPIO_CR (AR5315_DSLBASE + 0x0098) +#define AR5315_GPIO_INT (AR5315_DSLBASE + 0x00a0) + +#define AR5315_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */ +#define AR5315_GPIO_CR_O(x) (1 << (x)) /* output */ +#define AR5315_GPIO_CR_I(x) (0) /* input */ + +#define AR5315_GPIO_INT_S(x) (x) /* interrupt enable */ +#define AR5315_GPIO_INT_M (0x3F) /* mask for int */ +#define AR5315_GPIO_INT_LVL(x) ((x) << 6) /* interrupt level */ +#define AR5315_GPIO_INT_LVL_M ((0x3) << 6) /* mask for int level */ + +#define AR5315_GPIO_INT_MAX_Y 1 /* Maximum value of Y for AR5313_GPIO_INT_* macros */ +#define AR5315_GPIO_INT_LVL_OFF 0 /* Triggerring off */ +#define AR5315_GPIO_INT_LVL_LOW 1 /* Low Level Triggered */ +#define AR5315_GPIO_INT_LVL_HIGH 2 /* High Level Triggered */ +#define AR5315_GPIO_INT_LVL_EDGE 3 /* Edge Triggered */ + +#define AR5315_RESET_GPIO 5 +#define AR5315_NUM_GPIO 22 + + +/* + * PCI Clock Control + */ + +#define AR5315_PCICLK (AR5315_DSLBASE + 0x00a4) + +#define AR5315_PCICLK_INPUT_M 0x3 +#define AR5315_PCICLK_INPUT_S 0 + +#define AR5315_PCICLK_PLLC_CLKM 0 +#define AR5315_PCICLK_PLLC_CLKM1 1 +#define AR5315_PCICLK_PLLC_CLKC 2 +#define AR5315_PCICLK_REF_CLK 3 + +#define AR5315_PCICLK_DIV_M 0xc +#define AR5315_PCICLK_DIV_S 2 + +#define AR5315_PCICLK_IN_FREQ 0 +#define AR5315_PCICLK_IN_FREQ_DIV_6 1 +#define AR5315_PCICLK_IN_FREQ_DIV_8 2 +#define AR5315_PCICLK_IN_FREQ_DIV_10 3 + +/* + * Observation Control Register + */ +#define AR5315_OCR (AR5315_DSLBASE + 0x00b0) +#define OCR_GPIO0_IRIN 0x0040 +#define OCR_GPIO1_IROUT 0x0080 +#define OCR_GPIO3_RXCLR 0x0200 + +/* + * General Clock Control + */ + +#define AR5315_MISCCLK (AR5315_DSLBASE + 0x00b4) +#define MISCCLK_PLLBYPASS_EN 0x00000001 +#define MISCCLK_PROCREFCLK 0x00000002 + +/* + * SDRAM Controller + * - No read or write buffers are included. + */ +#define AR5315_MEM_CFG (AR5315_SDRAMCTL + 0x00) +#define AR5315_MEM_CTRL (AR5315_SDRAMCTL + 0x0c) +#define AR5315_MEM_REF (AR5315_SDRAMCTL + 0x10) + +#define SDRAM_DATA_WIDTH_M 0x00006000 +#define SDRAM_DATA_WIDTH_S 13 + +#define SDRAM_COL_WIDTH_M 0x00001E00 +#define SDRAM_COL_WIDTH_S 9 + +#define SDRAM_ROW_WIDTH_M 0x000001E0 +#define SDRAM_ROW_WIDTH_S 5 + +#define SDRAM_BANKADDR_BITS_M 0x00000018 +#define SDRAM_BANKADDR_BITS_S 3 + +/* + * SPI Flash Interface Registers + */ + +#define AR5315_SPI_CTL (AR5315_SPI + 0x00) +#define AR5315_SPI_OPCODE (AR5315_SPI + 0x04) +#define AR5315_SPI_DATA (AR5315_SPI + 0x08) + +#define SPI_CTL_START 0x00000100 +#define SPI_CTL_BUSY 0x00010000 +#define SPI_CTL_TXCNT_MASK 0x0000000f +#define SPI_CTL_RXCNT_MASK 0x000000f0 +#define SPI_CTL_TX_RX_CNT_MASK 0x000000ff +#define SPI_CTL_SIZE_MASK 0x00060000 + +#define SPI_CTL_CLK_SEL_MASK 0x03000000 +#define SPI_OPCODE_MASK 0x000000ff + +/* + * PCI-MAC Configuration registers + */ +#define PCI_MAC_RC (AR5315_PCI + 0x4000) +#define PCI_MAC_SCR (AR5315_PCI + 0x4004) +#define PCI_MAC_INTPEND (AR5315_PCI + 0x4008) +#define PCI_MAC_SFR (AR5315_PCI + 0x400C) +#define PCI_MAC_PCICFG (AR5315_PCI + 0x4010) +#define PCI_MAC_SREV (AR5315_PCI + 0x4020) + +#define PCI_MAC_RC_MAC 0x00000001 +#define PCI_MAC_RC_BB 0x00000002 + +#define PCI_MAC_SCR_SLMODE_M 0x00030000 +#define PCI_MAC_SCR_SLMODE_S 16 +#define PCI_MAC_SCR_SLM_FWAKE 0 +#define PCI_MAC_SCR_SLM_FSLEEP 1 +#define PCI_MAC_SCR_SLM_NORMAL 2 + +#define PCI_MAC_SFR_SLEEP 0x00000001 + +#define PCI_MAC_PCICFG_SPWR_DN 0x00010000 + + +/* + * PCI Bus Interface Registers + */ +#define AR5315_PCI_1MS_REG (AR5315_PCI + 0x0008) +#define AR5315_PCI_1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */ + +#define AR5315_PCI_MISC_CONFIG (AR5315_PCI + 0x000c) +#define AR5315_PCIMISC_TXD_EN 0x00000001 /* Enable TXD for fragments */ +#define AR5315_PCIMISC_CFG_SEL 0x00000002 /* mem or config cycles */ +#define AR5315_PCIMISC_GIG_MASK 0x0000000C /* bits 31-30 for pci req */ +#define AR5315_PCIMISC_RST_MODE 0x00000030 +#define AR5315_PCIRST_INPUT 0x00000000 /* 4:5=0 rst is input */ +#define AR5315_PCIRST_LOW 0x00000010 /* 4:5=1 rst to GND */ +#define AR5315_PCIRST_HIGH 0x00000020 /* 4:5=2 rst to VDD */ +#define AR5315_PCIGRANT_EN 0x00000000 /* 6:7=0 early grant en */ +#define AR5315_PCIGRANT_FRAME 0x00000040 /* 6:7=1 grant waits 4 frame */ +#define AR5315_PCIGRANT_IDLE 0x00000080 /* 6:7=2 grant waits 4 idle */ +#define AR5315_PCIGRANT_GAP 0x00000000 /* 6:7=2 grant waits 4 idle */ +#define AR5315_PCICACHE_DIS 0x00001000 /* PCI external access cache disable */ + +#define AR5315_PCI_OUT_TSTAMP (AR5315_PCI + 0x0010) + +#define AR5315_PCI_UNCACHE_CFG (AR5315_PCI + 0x0014) + +#define AR5315_PCI_IN_EN (AR5315_PCI + 0x0100) +#define AR5315_PCI_IN_EN0 0x01 /* Enable chain 0 */ +#define AR5315_PCI_IN_EN1 0x02 /* Enable chain 1 */ +#define AR5315_PCI_IN_EN2 0x04 /* Enable chain 2 */ +#define AR5315_PCI_IN_EN3 0x08 /* Enable chain 3 */ + +#define AR5315_PCI_IN_DIS (AR5315_PCI + 0x0104) +#define AR5315_PCI_IN_DIS0 0x01 /* Disable chain 0 */ +#define AR5315_PCI_IN_DIS1 0x02 /* Disable chain 1 */ +#define AR5315_PCI_IN_DIS2 0x04 /* Disable chain 2 */ +#define AR5315_PCI_IN_DIS3 0x08 /* Disable chain 3 */ + +#define AR5315_PCI_IN_PTR (AR5315_PCI + 0x0200) + +#define AR5315_PCI_OUT_EN (AR5315_PCI + 0x0400) +#define AR5315_PCI_OUT_EN0 0x01 /* Enable chain 0 */ + +#define AR5315_PCI_OUT_DIS (AR5315_PCI + 0x0404) +#define AR5315_PCI_OUT_DIS0 0x01 /* Disable chain 0 */ + +#define AR5315_PCI_OUT_PTR (AR5315_PCI + 0x0408) + +#define AR5315_PCI_INT_STATUS (AR5315_PCI + 0x0500) /* write one to clr */ +#define AR5315_PCI_TXINT 0x00000001 /* Desc In Completed */ +#define AR5315_PCI_TXOK 0x00000002 /* Desc In OK */ +#define AR5315_PCI_TXERR 0x00000004 /* Desc In ERR */ +#define AR5315_PCI_TXEOL 0x00000008 /* Desc In End-of-List */ +#define AR5315_PCI_RXINT 0x00000010 /* Desc Out Completed */ +#define AR5315_PCI_RXOK 0x00000020 /* Desc Out OK */ +#define AR5315_PCI_RXERR 0x00000040 /* Desc Out ERR */ +#define AR5315_PCI_RXEOL 0x00000080 /* Desc Out EOL */ +#define AR5315_PCI_TXOOD 0x00000200 /* Desc In Out-of-Desc */ +#define AR5315_PCI_MASK 0x0000FFFF /* Desc Mask */ +#define AR5315_PCI_EXT_INT 0x02000000 +#define AR5315_PCI_ABORT_INT 0x04000000 + +#define AR5315_PCI_INT_MASK (AR5315_PCI + 0x0504) /* same as INT_STATUS */ + +#define AR5315_PCI_INTEN_REG (AR5315_PCI + 0x0508) +#define AR5315_PCI_INT_DISABLE 0x00 /* disable pci interrupts */ +#define AR5315_PCI_INT_ENABLE 0x01 /* enable pci interrupts */ + +#define AR5315_PCI_HOST_IN_EN (AR5315_PCI + 0x0800) +#define AR5315_PCI_HOST_IN_DIS (AR5315_PCI + 0x0804) +#define AR5315_PCI_HOST_IN_PTR (AR5315_PCI + 0x0810) +#define AR5315_PCI_HOST_OUT_EN (AR5315_PCI + 0x0900) +#define AR5315_PCI_HOST_OUT_DIS (AR5315_PCI + 0x0904) +#define AR5315_PCI_HOST_OUT_PTR (AR5315_PCI + 0x0908) + + +/* + * Local Bus Interface Registers + */ +#define AR5315_LB_CONFIG (AR5315_LOCAL + 0x0000) +#define AR5315_LBCONF_OE 0x00000001 /* =1 OE is low-true */ +#define AR5315_LBCONF_CS0 0x00000002 /* =1 first CS is low-true */ +#define AR5315_LBCONF_CS1 0x00000004 /* =1 2nd CS is low-true */ +#define AR5315_LBCONF_RDY 0x00000008 /* =1 RDY is low-true */ +#define AR5315_LBCONF_WE 0x00000010 /* =1 Write En is low-true */ +#define AR5315_LBCONF_WAIT 0x00000020 /* =1 WAIT is low-true */ +#define AR5315_LBCONF_ADS 0x00000040 /* =1 Adr Strobe is low-true */ +#define AR5315_LBCONF_MOT 0x00000080 /* =0 Intel, =1 Motorola */ +#define AR5315_LBCONF_8CS 0x00000100 /* =1 8 bits CS, 0= 16bits */ +#define AR5315_LBCONF_8DS 0x00000200 /* =1 8 bits Data S, 0=16bits */ +#define AR5315_LBCONF_ADS_EN 0x00000400 /* =1 Enable ADS */ +#define AR5315_LBCONF_ADR_OE 0x00000800 /* =1 Adr cap on OE, WE or DS */ +#define AR5315_LBCONF_ADDT_MUX 0x00001000 /* =1 Adr and Data share bus */ +#define AR5315_LBCONF_DATA_OE 0x00002000 /* =1 Data cap on OE, WE, DS */ +#define AR5315_LBCONF_16DATA 0x00004000 /* =1 Data is 16 bits wide */ +#define AR5315_LBCONF_SWAPDT 0x00008000 /* =1 Byte swap data */ +#define AR5315_LBCONF_SYNC 0x00010000 /* =1 Bus synchronous to clk */ +#define AR5315_LBCONF_INT 0x00020000 /* =1 Intr is low true */ +#define AR5315_LBCONF_INT_CTR0 0x00000000 /* GND high-Z, Vdd is high-Z */ +#define AR5315_LBCONF_INT_CTR1 0x00040000 /* GND drive, Vdd is high-Z */ +#define AR5315_LBCONF_INT_CTR2 0x00080000 /* GND high-Z, Vdd drive */ +#define AR5315_LBCONF_INT_CTR3 0x000C0000 /* GND drive, Vdd drive */ +#define AR5315_LBCONF_RDY_WAIT 0x00100000 /* =1 RDY is negative of WAIT */ +#define AR5315_LBCONF_INT_PULSE 0x00200000 /* =1 Interrupt is a pulse */ +#define AR5315_LBCONF_ENABLE 0x00400000 /* =1 Falcon respond to LB */ + +#define AR5315_LB_CLKSEL (AR5315_LOCAL + 0x0004) +#define AR5315_LBCLK_EXT 0x0001 /* use external clk for lb */ + +#define AR5315_LB_1MS (AR5315_LOCAL + 0x0008) +#define AR5315_LB1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */ + +#define AR5315_LB_MISCCFG (AR5315_LOCAL + 0x000C) +#define AR5315_LBM_TXD_EN 0x00000001 /* Enable TXD for fragments */ +#define AR5315_LBM_RX_INTEN 0x00000002 /* Enable LB ints on RX ready */ +#define AR5315_LBM_MBOXWR_INTEN 0x00000004 /* Enable LB ints on mbox wr */ +#define AR5315_LBM_MBOXRD_INTEN 0x00000008 /* Enable LB ints on mbox rd */ +#define AR5315_LMB_DESCSWAP_EN 0x00000010 /* Byte swap desc enable */ +#define AR5315_LBM_TIMEOUT_MASK 0x00FFFF80 +#define AR5315_LBM_TIMEOUT_SHFT 7 +#define AR5315_LBM_PORTMUX 0x07000000 + + +#define AR5315_LB_RXTSOFF (AR5315_LOCAL + 0x0010) + +#define AR5315_LB_TX_CHAIN_EN (AR5315_LOCAL + 0x0100) +#define AR5315_LB_TXEN_0 0x01 +#define AR5315_LB_TXEN_1 0x02 +#define AR5315_LB_TXEN_2 0x04 +#define AR5315_LB_TXEN_3 0x08 + +#define AR5315_LB_TX_CHAIN_DIS (AR5315_LOCAL + 0x0104) +#define AR5315_LB_TX_DESC_PTR (AR5315_LOCAL + 0x0200) + +#define AR5315_LB_RX_CHAIN_EN (AR5315_LOCAL + 0x0400) +#define AR5315_LB_RXEN 0x01 + +#define AR5315_LB_RX_CHAIN_DIS (AR5315_LOCAL + 0x0404) +#define AR5315_LB_RX_DESC_PTR (AR5315_LOCAL + 0x0408) + +#define AR5315_LB_INT_STATUS (AR5315_LOCAL + 0x0500) +#define AR5315_INT_TX_DESC 0x0001 +#define AR5315_INT_TX_OK 0x0002 +#define AR5315_INT_TX_ERR 0x0004 +#define AR5315_INT_TX_EOF 0x0008 +#define AR5315_INT_RX_DESC 0x0010 +#define AR5315_INT_RX_OK 0x0020 +#define AR5315_INT_RX_ERR 0x0040 +#define AR5315_INT_RX_EOF 0x0080 +#define AR5315_INT_TX_TRUNC 0x0100 +#define AR5315_INT_TX_STARVE 0x0200 +#define AR5315_INT_LB_TIMEOUT 0x0400 +#define AR5315_INT_LB_ERR 0x0800 +#define AR5315_INT_MBOX_WR 0x1000 +#define AR5315_INT_MBOX_RD 0x2000 + +/* Bit definitions for INT MASK are the same as INT_STATUS */ +#define AR5315_LB_INT_MASK (AR5315_LOCAL + 0x0504) + +#define AR5315_LB_INT_EN (AR5315_LOCAL + 0x0508) +#define AR5315_LB_MBOX (AR5315_LOCAL + 0x0600) + + + +/* + * IR Interface Registers + */ +#define AR5315_IR_PKTDATA (AR5315_IR + 0x0000) + +#define AR5315_IR_PKTLEN (AR5315_IR + 0x07fc) /* 0 - 63 */ + +#define AR5315_IR_CONTROL (AR5315_IR + 0x0800) +#define AR5315_IRCTL_TX 0x00000000 /* use as tranmitter */ +#define AR5315_IRCTL_RX 0x00000001 /* use as receiver */ +#define AR5315_IRCTL_SAMPLECLK_MASK 0x00003ffe /* Sample clk divisor mask */ +#define AR5315_IRCTL_SAMPLECLK_SHFT 1 +#define AR5315_IRCTL_OUTPUTCLK_MASK 0x03ffc000 /* Output clk divisor mask */ +#define AR5315_IRCTL_OUTPUTCLK_SHFT 14 + +#define AR5315_IR_STATUS (AR5315_IR + 0x0804) +#define AR5315_IRSTS_RX 0x00000001 /* receive in progress */ +#define AR5315_IRSTS_TX 0x00000002 /* transmit in progress */ + +#define AR5315_IR_CONFIG (AR5315_IR + 0x0808) +#define AR5315_IRCFG_INVIN 0x00000001 /* invert input polarity */ +#define AR5315_IRCFG_INVOUT 0x00000002 /* invert output polarity */ +#define AR5315_IRCFG_SEQ_START_WIN_SEL 0x00000004 /* 1 => 28, 0 => 7 */ +#define AR5315_IRCFG_SEQ_START_THRESH 0x000000f0 /* */ +#define AR5315_IRCFG_SEQ_END_UNIT_SEL 0x00000100 /* */ +#define AR5315_IRCFG_SEQ_END_UNIT_THRESH 0x00007e00 /* */ +#define AR5315_IRCFG_SEQ_END_WIN_SEL 0x00008000 /* */ +#define AR5315_IRCFG_SEQ_END_WIN_THRESH 0x001f0000 /* */ +#define AR5315_IRCFG_NUM_BACKOFF_WORDS 0x01e00000 /* */ + +/* + * PCI memory constants: Memory area 1 and 2 are the same size - + * (twice the PCI_TLB_PAGE_SIZE). The definition of + * CPU_TO_PCI_MEM_SIZE is coupled with the TLB setup routine + * sysLib.c/sysTlbInit(), in that it assumes that 2 pages of size + * PCI_TLB_PAGE_SIZE are set up in the TLB for each PCI memory space. + */ + +#define CPU_TO_PCI_MEM_BASE1 0xE0000000 +#define CPU_TO_PCI_MEM_SIZE1 (2*PCI_TLB_PAGE_SIZE) + + +/* TLB attributes for PCI transactions */ + +#define PCI_MMU_PAGEMASK 0x00003FFF +#define MMU_PAGE_UNCACHED 0x00000010 +#define MMU_PAGE_DIRTY 0x00000004 +#define MMU_PAGE_VALID 0x00000002 +#define MMU_PAGE_GLOBAL 0x00000001 +#define PCI_MMU_PAGEATTRIB (MMU_PAGE_UNCACHED|MMU_PAGE_DIRTY|\ + MMU_PAGE_VALID|MMU_PAGE_GLOBAL) +#define PCI_MEMORY_SPACE1_VIRT 0xE0000000 /* Used for non-prefet mem */ +#define PCI_MEMORY_SPACE1_PHYS 0x80000000 +#define PCI_TLB_PAGE_SIZE 0x01000000 +#define TLB_HI_MASK 0xFFFFE000 +#define TLB_LO_MASK 0x3FFFFFFF +#define PAGEMASK_SHIFT 11 +#define TLB_LO_SHIFT 6 + +#define PCI_MAX_LATENCY 0xFFF /* Max PCI latency */ + +#define HOST_PCI_DEV_ID 3 +#define HOST_PCI_MBAR0 0x10000000 +#define HOST_PCI_MBAR1 0x20000000 +#define HOST_PCI_MBAR2 0x30000000 + +#define HOST_PCI_SDRAM_BASEADDR HOST_PCI_MBAR1 +#define PCI_DEVICE_MEM_SPACE 0x800000 + +#endif + diff --git a/target/linux/atheros/files/include/asm-mips/mach-atheros/ar531x.h b/target/linux/atheros/files/include/asm-mips/mach-atheros/ar531x.h new file mode 100644 index 000000000..c77d74ec9 --- /dev/null +++ b/target/linux/atheros/files/include/asm-mips/mach-atheros/ar531x.h @@ -0,0 +1,172 @@ +#ifndef __AR531X_H +#define __AR531X_H + +#include +#include +#include +#include +#include + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) +extern void (*board_time_init)(void); +#endif + +/* + * C access to CLZ instruction + * (count leading zeroes). + */ +static inline int 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; +} + +/* + * Atheros CPUs before the AR2315 are using MIPS 4Kc core, later designs are + * using MIPS 4KEc R2 core. This makes it easy to determine the board at runtime. + */ +#ifdef CONFIG_ATHEROS_AR5312 +#define DO_AR5312(...) \ + if (current_cpu_data.cputype != CPU_4KEC) { \ + __VA_ARGS__ \ + } +#else +#define DO_AR5312(...) +#endif +#ifdef CONFIG_ATHEROS_AR5315 +#define DO_AR5315(...) \ + if (current_cpu_data.cputype == CPU_4KEC) { \ + __VA_ARGS__ \ + } +#else +#define DO_AR5315(...) +#endif + +#define AR531X_MISC_IRQ_BASE 0x20 +#define AR531X_GPIO_IRQ_BASE 0x30 + +/* Software's idea of interrupts handled by "CPU Interrupt Controller" */ +#define AR531X_IRQ_NONE MIPS_CPU_IRQ_BASE+0 +#define AR531X_IRQ_CPU_CLOCK MIPS_CPU_IRQ_BASE+7 /* C0_CAUSE: 0x8000 */ + +/* Miscellaneous interrupts, which share IP6 */ +#define AR531X_MISC_IRQ_NONE AR531X_MISC_IRQ_BASE+0 +#define AR531X_MISC_IRQ_TIMER AR531X_MISC_IRQ_BASE+1 +#define AR531X_MISC_IRQ_AHB_PROC AR531X_MISC_IRQ_BASE+2 +#define AR531X_MISC_IRQ_AHB_DMA AR531X_MISC_IRQ_BASE+3 +#define AR531X_MISC_IRQ_GPIO AR531X_MISC_IRQ_BASE+4 +#define AR531X_MISC_IRQ_UART0 AR531X_MISC_IRQ_BASE+5 +#define AR531X_MISC_IRQ_UART0_DMA AR531X_MISC_IRQ_BASE+6 +#define AR531X_MISC_IRQ_WATCHDOG AR531X_MISC_IRQ_BASE+7 +#define AR531X_MISC_IRQ_LOCAL AR531X_MISC_IRQ_BASE+8 +#define AR531X_MISC_IRQ_SPI AR531X_MISC_IRQ_BASE+9 +#define AR531X_MISC_IRQ_COUNT 10 + +/* GPIO Interrupts [0..7], share AR531X_MISC_IRQ_GPIO */ +#define AR531X_GPIO_IRQ_NONE AR531X_GPIO_IRQ_BASE+0 +#define AR531X_GPIO_IRQ(n) AR531X_GPIO_IRQ_BASE+(n)+1 +#define AR531X_GPIO_IRQ_COUNT 22 + +#define sysRegRead(phys) \ + (*(volatile u32 *)KSEG1ADDR(phys)) + +#define sysRegWrite(phys, val) \ + ((*(volatile u32 *)KSEG1ADDR(phys)) = (val)) + +/* + * This is board-specific data that is stored in a "fixed" location in flash. + * It is shared across operating systems, so it should not be changed lightly. + * The main reason we need it is in order to extract the ethernet MAC + * address(es). + */ +struct ar531x_boarddata { + u32 magic; /* board data is valid */ +#define AR531X_BD_MAGIC 0x35333131 /* "5311", for all 531x platforms */ + u16 cksum; /* checksum (starting with BD_REV 2) */ + u16 rev; /* revision of this struct */ +#define BD_REV 4 + char boardName[64]; /* Name of board */ + u16 major; /* Board major number */ + u16 minor; /* Board minor number */ + u32 config; /* Board configuration */ +#define BD_ENET0 0x00000001 /* ENET0 is stuffed */ +#define BD_ENET1 0x00000002 /* ENET1 is stuffed */ +#define BD_UART1 0x00000004 /* UART1 is stuffed */ +#define BD_UART0 0x00000008 /* UART0 is stuffed (dma) */ +#define BD_RSTFACTORY 0x00000010 /* Reset factory defaults stuffed */ +#define BD_SYSLED 0x00000020 /* System LED stuffed */ +#define BD_EXTUARTCLK 0x00000040 /* External UART clock */ +#define BD_CPUFREQ 0x00000080 /* cpu freq is valid in nvram */ +#define BD_SYSFREQ 0x00000100 /* sys freq is set in nvram */ +#define BD_WLAN0 0x00000200 /* Enable WLAN0 */ +#define BD_MEMCAP 0x00000400 /* CAP SDRAM @ memCap for testing */ +#define BD_DISWATCHDOG 0x00000800 /* disable system watchdog */ +#define BD_WLAN1 0x00001000 /* Enable WLAN1 (ar5212) */ +#define BD_ISCASPER 0x00002000 /* FLAG for AR2312 */ +#define BD_WLAN0_2G_EN 0x00004000 /* FLAG for radio0_2G */ +#define BD_WLAN0_5G_EN 0x00008000 /* FLAG for radio0_2G */ +#define BD_WLAN1_2G_EN 0x00020000 /* FLAG for radio0_2G */ +#define BD_WLAN1_5G_EN 0x00040000 /* FLAG for radio0_2G */ + u16 resetConfigGpio; /* Reset factory GPIO pin */ + u16 sysLedGpio; /* System LED GPIO pin */ + + u32 cpuFreq; /* CPU core frequency in Hz */ + u32 sysFreq; /* System frequency in Hz */ + u32 cntFreq; /* Calculated C0_COUNT frequency */ + + u8 wlan0Mac[6]; + u8 enet0Mac[6]; + u8 enet1Mac[6]; + + u16 pciId; /* Pseudo PCIID for common code */ + u16 memCap; /* cap bank1 in MB */ + + /* version 3 */ + u8 wlan1Mac[6]; /* (ar5212) */ +}; + +#define BOARD_CONFIG_BUFSZ 0x1000 + +extern char *board_config, *radio_config; +extern void serial_setup(unsigned long mapbase, unsigned int uartclk); +extern int ar531x_find_config(char *flash_limit); + +extern void ar5312_prom_init(void); +extern void ar5312_misc_intr_init(int irq_base); +extern void ar5312_plat_setup(void); +extern asmlinkage void ar5312_irq_dispatch(void); + +extern void ar5315_prom_init(void); +extern void ar5315_misc_intr_init(int irq_base); +extern void ar5315_plat_setup(void); +extern asmlinkage void ar5315_irq_dispatch(void); +extern void ar5315_pci_irq(int irq); +static inline u32 sysRegMask(u32 phys, u32 mask, u32 value) +{ + u32 reg; + + reg = sysRegRead(phys); + reg &= ~mask; + reg |= value & mask; + sysRegWrite(phys, reg); + reg = sysRegRead(phys); /* flush write to the hardware */ + + return reg; +} + +#define AR531X_NUM_GPIO 8 + +#endif diff --git a/target/linux/atheros/files/include/asm-mips/mach-atheros/gpio.h b/target/linux/atheros/files/include/asm-mips/mach-atheros/gpio.h new file mode 100644 index 000000000..560b8cc0d --- /dev/null +++ b/target/linux/atheros/files/include/asm-mips/mach-atheros/gpio.h @@ -0,0 +1,134 @@ +#ifndef _ATHEROS_GPIO_H_ +#define _ATHEROS_GPIO_H_ + +#include "ar531x.h" + +/* Common AR531X global variables */ +/* extern u32 ar531x_gpio_intr_Mask; */ + +/* AR5312 exported routines */ +#ifdef CONFIG_ATHEROS_AR5312 +asmlinkage void ar5312_gpio_irq_dispatch(void); +#endif + +/* AR5315 exported routines */ +#ifdef CONFIG_ATHEROS_AR5315 +asmlinkage void ar5315_gpio_irq_dispatch(void); +#endif + +/* + * Wrappers for the generic GPIO layer + */ + +/* Sets a gpio to input, or returns ENXIO for non-existent gpio */ +static inline int gpio_direction_input(unsigned gpio) { + DO_AR5312( if (gpio > AR531X_NUM_GPIO) { \ + return -ENXIO; \ + } else { \ + sysRegWrite(AR531X_GPIO_CR, \ + ( sysRegRead(AR531X_GPIO_CR) & \ + ~(AR531X_GPIO_CR_M(gpio)) ) | \ + AR531X_GPIO_CR_I(gpio) ); \ + return 0; \ + } \ + ) + DO_AR5315( if (gpio > AR5315_NUM_GPIO) { \ + return -ENXIO; \ + } else { \ + sysRegWrite(AR5315_GPIO_CR, \ + ( sysRegRead(AR5315_GPIO_CR) & \ + ~(AR5315_GPIO_CR_M(gpio)) ) | \ + AR5315_GPIO_CR_I(gpio) ); \ + return 0; \ + } \ + ) +} + +/* Sets a gpio to output with value, or returns ENXIO for non-existent gpio */ +static inline int gpio_direction_output(unsigned gpio, int value) { + DO_AR5312( if (gpio > AR531X_NUM_GPIO) { \ + return -ENXIO; \ + } else { \ + sysRegWrite(AR531X_GPIO_DO, \ + ( (sysRegRead(AR531X_GPIO_DO) & \ + ~(1 << gpio) ) | \ + ((value!=0) << gpio)) ); \ + sysRegWrite(AR531X_GPIO_CR, \ + sysRegRead(AR531X_GPIO_CR) | \ + AR531X_GPIO_CR_O(gpio) ); \ + return 0; \ + } \ + ) + DO_AR5315( if (gpio > AR5315_NUM_GPIO) { \ + return -ENXIO; \ + } else { \ + sysRegWrite(AR5315_GPIO_DO, \ + ( (sysRegRead(AR5315_GPIO_DO) & \ + ~(1 << gpio)) | \ + ((value!=0) << gpio)) ); \ + sysRegWrite(AR5315_GPIO_CR, \ + sysRegRead(AR5315_GPIO_CR) | \ + AR5315_GPIO_CR_O(gpio) ); \ + return 0; \ + } \ + ) +} + +/* Reads the gpio pin. Unchecked function */ +static inline int gpio_get_value(unsigned gpio) { + DO_AR5312(return (sysRegRead(AR531X_GPIO_DI) & (1 << gpio));) + DO_AR5315(return (sysRegRead(AR5315_GPIO_DI) & (1 << gpio));) +} + +/* Writes to the gpio pin. Unchecked function */ +static inline void gpio_set_value(unsigned gpio, int value) { + DO_AR5312( sysRegWrite(AR531X_GPIO_DO, \ + ( (sysRegRead(AR531X_GPIO_DO) & \ + ~(1 << gpio)) | \ + ((value!=0) << gpio)) ); \ + ) + DO_AR5315( sysRegWrite(AR5315_GPIO_DO, \ + ( (sysRegRead(AR5315_GPIO_DO) & \ + ~(1 << gpio)) | \ + ((value!=0) << gpio)) ); \ + ) +} + +static inline int gpio_request(unsigned gpio, const char *label) { + return 0; +} + +static inline void gpio_free(unsigned gpio) { +} + +/* Returns IRQ to attach for gpio. Unchecked function */ +static inline int gpio_to_irq(unsigned gpio) { + return AR531X_GPIO_IRQ(gpio); +} + +/* Returns gpio for IRQ attached. Unchecked function */ +static inline int irq_to_gpio(unsigned irq) { + return (irq - (AR531X_GPIO_IRQ(0))); +} + +/* #include */ /* cansleep wrappers */ +/* platforms that don't directly support access to GPIOs through I2C, SPI, + * or other blocking infrastructure can use these wrappers. + */ + +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); +} + +#endif + diff --git a/target/linux/atheros/patches-2.6.23/100-board.patch b/target/linux/atheros/patches-2.6.23/100-board.patch index f1aa655f6..28509a3d0 100644 --- a/target/linux/atheros/patches-2.6.23/100-board.patch +++ b/target/linux/atheros/patches-2.6.23/100-board.patch @@ -1,7 +1,7 @@ diff -urN linux.old/arch/mips/Kconfig linux.dev/arch/mips/Kconfig --- linux.old/arch/mips/Kconfig 2007-02-02 23:55:52.912446784 +0100 +++ linux.dev/arch/mips/Kconfig 2007-02-03 21:50:25.262027104 +0100 -@@ -45,6 +45,15 @@ +@@ -44,6 +44,16 @@ note that a kernel built with this option selected will not be able to run on normal units. @@ -13,18 +13,19 @@ diff -urN linux.old/arch/mips/Kconfig linux.dev/arch/mips/Kconfig + select SYS_HAS_CPU_MIPS32_R1 + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_32BIT_KERNEL ++ select GENERIC_GPIO + config MIPS_COBALT bool "Cobalt Server" select DMA_NONCOHERENT -@@ -658,6 +668,7 @@ +@@ -597,6 +607,7 @@ endchoice +source "arch/mips/atheros/Kconfig" source "arch/mips/au1000/Kconfig" - source "arch/mips/ddb5xxx/Kconfig" - source "arch/mips/gt64120/ev64120/Kconfig" + source "arch/mips/jazz/Kconfig" + source "arch/mips/pmc-sierra/Kconfig" diff -urN linux.old/arch/mips/Makefile linux.dev/arch/mips/Makefile --- linux.old/arch/mips/Makefile 2007-02-02 23:55:52.913446632 +0100 +++ linux.dev/arch/mips/Makefile 2007-02-03 17:40:29.193776000 +0100 diff --git a/target/linux/atheros/patches-2.6.24/100-board.patch b/target/linux/atheros/patches-2.6.24/100-board.patch index fc72d8293..f1a0d0641 100644 --- a/target/linux/atheros/patches-2.6.24/100-board.patch +++ b/target/linux/atheros/patches-2.6.24/100-board.patch @@ -1,7 +1,7 @@ diff -urN linux.old/arch/mips/Kconfig linux.dev/arch/mips/Kconfig --- linux.old/arch/mips/Kconfig 2007-02-02 23:55:52.912446784 +0100 +++ linux.dev/arch/mips/Kconfig 2007-02-03 21:50:25.262027104 +0100 -@@ -45,6 +45,17 @@ +@@ -45,6 +45,18 @@ note that a kernel built with this option selected will not be able to run on normal units. @@ -15,6 +15,7 @@ diff -urN linux.old/arch/mips/Kconfig linux.dev/arch/mips/Kconfig + select SYS_HAS_CPU_MIPS32_R1 + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_32BIT_KERNEL ++ select GENERIC_GPIO + config MIPS_COBALT bool "Cobalt Server" -- cgit v1.2.3