diff options
Diffstat (limited to 'target/linux/atheros-2.6/files/arch/mips/atheros/ar5312')
4 files changed, 0 insertions, 868 deletions
diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/Makefile b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/Makefile deleted file mode 100644 index 6c50d9931..000000000 --- a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/Makefile +++ /dev/null @@ -1,11 +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) 2007 FON Technology, SL. -# Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org> -# Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> -# - -obj-y := board.o irq.o diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/ar5312.h b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/ar5312.h deleted file mode 100644 index 2b6b875b4..000000000 --- a/target/linux/atheros-2.6/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 <kaloz@openwrt.org> - * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> - */ - -#ifndef AR5312_H -#define AR5312_H - -#include <asm/addrspace.h> - -/* - * 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-2.6/files/arch/mips/atheros/ar5312/board.c b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/board.c deleted file mode 100644 index 21073dbbb..000000000 --- a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/board.c +++ /dev/null @@ -1,449 +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 <kaloz@openwrt.org> - * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> - */ - -/* - * Platform devices for Atheros SoCs - */ - -#include <linux/autoconf.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/mtd/physmap.h> -#include <linux/platform_device.h> -#include <linux/kernel.h> -#include <linux/reboot.h> -#include <asm/bootinfo.h> -#include <asm/reboot.h> -#include <asm/time.h> -#include <asm/irq.h> -#include <asm/io.h> -#include "../ar531x.h" - -#define NO_PHY 0x1f - -static int is_5312 = 0; -static struct platform_device *ar5312_devs[5]; - -static struct resource ar5312_eth0_res[] = { - { - .name = "eth0_membase", - .flags = IORESOURCE_MEM, - .start = KSEG1ADDR(AR531X_ENET0), - .end = KSEG1ADDR(AR531X_ENET0 + 0x2000), - }, - { - .name = "eth0_irq", - .flags = IORESOURCE_IRQ, - .start = AR5312_IRQ_ENET0_INTRS, - .end = AR5312_IRQ_ENET0_INTRS, - }, -}; -static struct ar531x_eth ar5312_eth0_data = { - .phy = NO_PHY, - .mac = 0, - .reset_base = AR531X_RESET, - .reset_mac = AR531X_RESET_ENET0, - .reset_phy = AR531X_RESET_EPHY0, - .phy_base = KSEG1ADDR(AR531X_ENET0), -}; - -static struct resource ar5312_eth1_res[] = { - { - .name = "eth1_membase", - .flags = IORESOURCE_MEM, - .start = KSEG1ADDR(AR531X_ENET1), - .end = KSEG1ADDR(AR531X_ENET1 + 0x2000), - }, - { - .name = "eth1_irq", - .flags = IORESOURCE_IRQ, - .start = AR5312_IRQ_ENET1_INTRS, - .end = AR5312_IRQ_ENET1_INTRS, - }, -}; -static struct ar531x_eth ar5312_eth1_data = { - .phy = NO_PHY, - .mac = 1, - .reset_base = AR531X_RESET, - .reset_mac = AR531X_RESET_ENET1, - .reset_phy = AR531X_RESET_EPHY1, - .phy_base = KSEG1ADDR(AR531X_ENET1), -}; - -static struct platform_device ar5312_eth[] = { - { - .id = 0, - .name = "ar531x-eth", - .dev.platform_data = &ar5312_eth0_data, - .resource = ar5312_eth0_res, - .num_resources = ARRAY_SIZE(ar5312_eth0_res) - }, - { - .id = 1, - .name = "ar531x-eth", - .dev.platform_data = &ar5312_eth1_data, - .resource = ar5312_eth1_res, - .num_resources = ARRAY_SIZE(ar5312_eth1_res) - }, -}; - - -/* - * AR2312/3 ethernet uses the PHY of ENET0, but the MAC - * of ENET1. Atheros calls it 'twisted' for a reason :) - */ -static struct resource ar231x_eth0_res[] = { - { - .name = "eth0_membase", - .flags = IORESOURCE_MEM, - .start = KSEG1ADDR(AR531X_ENET1), - .end = KSEG1ADDR(AR531X_ENET1 + 0x2000), - }, - { - .name = "eth0_irq", - .flags = IORESOURCE_IRQ, - .start = AR5312_IRQ_ENET1_INTRS, - .end = AR5312_IRQ_ENET1_INTRS, - }, -}; -static struct ar531x_eth ar231x_eth0_data = { - .phy = 1, - .mac = 1, - .reset_base = AR531X_RESET, - .reset_mac = AR531X_RESET_ENET1, - .reset_phy = AR531X_RESET_EPHY1, - .phy_base = KSEG1ADDR(AR531X_ENET0), -}; -static struct platform_device ar231x_eth0 = { - .id = 0, - .name = "ar531x-eth", - .dev.platform_data = &ar231x_eth0_data, - .resource = ar231x_eth0_res, - .num_resources = ARRAY_SIZE(ar231x_eth0_res) -}; - - -static struct platform_device ar5312_wmac[] = { - { - .id = 0, - .name = "ar531x-wmac", - }, - { - .id = 1, - .name = "ar531x-wmac", - }, -}; - -static struct physmap_flash_data ar5312_flash_data = { - .width = 2, -}; - -static struct resource ar5312_flash_resource = { - .start = AR531X_FLASH, - .end = AR531X_FLASH + 0x400000 - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device ar5312_physmap_flash = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &ar5312_flash_data, - }, - .num_resources = 1, - .resource = &ar5312_flash_resource, -}; - - -/* - * NB: This mapping size is larger than the actual flash size, - * but this shouldn't be a problem here, because the flash - * will simply be mapped multiple times. - */ -static char __init *ar5312_flash_limit(void) -{ - u32 ctl; - /* - * Configure flash bank 0. - * Assume 8M window size. Flash will be aliased if it's smaller - */ - ctl = FLASHCTL_E | - FLASHCTL_AC_8M | - FLASHCTL_RBLE | - (0x01 << FLASHCTL_IDCY_S) | - (0x07 << FLASHCTL_WST1_S) | - (0x07 << FLASHCTL_WST2_S) | - (sysRegRead(AR531X_FLASHCTL0) & FLASHCTL_MW); - - sysRegWrite(AR531X_FLASHCTL0, ctl); - - /* Disable other flash banks */ - sysRegWrite(AR531X_FLASHCTL1, - sysRegRead(AR531X_FLASHCTL1) & ~(FLASHCTL_E | FLASHCTL_AC)); - - sysRegWrite(AR531X_FLASHCTL2, - sysRegRead(AR531X_FLASHCTL2) & ~(FLASHCTL_E | FLASHCTL_AC)); - - return (char *) KSEG1ADDR(AR531X_FLASH + 0x800000); -} - -static struct ar531x_config __init *init_wmac(int unit) -{ - struct ar531x_config *config; - - config = (struct ar531x_config *) kzalloc(sizeof(struct ar531x_config), GFP_KERNEL); - config->board = board_config; - config->radio = radio_config; - config->unit = unit; - config->tag = (u_int16_t) ((sysRegRead(AR531X_REV) >> AR531X_REV_WMAC_MIN_S) & AR531X_REV_CHIP); - - return config; -} - -int __init ar5312_init_devices(void) -{ - struct ar531x_boarddata *bcfg; - char *radio, *c; - int dev = 0; - uint32_t fctl = 0; - - if (!is_5312) - return 0; - - /* Locate board/radio config data */ - ar531x_find_config(ar5312_flash_limit()); - bcfg = (struct ar531x_boarddata *) board_config; - - - /* - * Chip IDs and hardware detection for some Atheros - * models are really broken! - * - * Atheros uses a disabled WMAC0 and Silicon ID of AR5312 - * as indication for AR2312, which is otherwise - * indistinguishable from the real AR5312. - */ - if (radio_config) { - radio = radio_config + AR531X_RADIO_MASK_OFF; - if ((*((u32 *) radio) & AR531X_RADIO0_MASK) == 0) - bcfg->config |= BD_ISCASPER; - } else - radio = NULL; - - /* AR2313 has CPU minor rev. 10 */ - if ((current_cpu_data.processor_id & 0xff) == 0x0a) - mips_machtype = MACH_ATHEROS_AR2313; - - /* AR2312 shares the same Silicon ID as AR5312 */ - else if (bcfg->config & BD_ISCASPER) - mips_machtype = MACH_ATHEROS_AR2312; - - /* Everything else is probably AR5312 or compatible */ - else - mips_machtype = MACH_ATHEROS_AR5312; - - ar5312_eth0_data.board_config = board_config; - ar5312_eth1_data.board_config = board_config; - - /* fixup flash width */ - fctl = sysRegRead(AR531X_FLASHCTL) & FLASHCTL_MW; - switch (fctl) { - case FLASHCTL_MWx16: - ar5312_flash_data.width = 2; - break; - case FLASHCTL_MWx8: - default: - ar5312_flash_data.width = 1; - break; - } - - ar5312_devs[dev++] = &ar5312_physmap_flash; - - if (!memcmp(bcfg->enet0Mac, "\xff\xff\xff\xff\xff\xff", 6)) - memcpy(bcfg->enet0Mac, bcfg->enet1Mac, 6); - - if (memcmp(bcfg->enet0Mac, bcfg->enet1Mac, 6) == 0) { - /* ENET0 and ENET1 have the same mac. - * Increment the one from ENET1 */ - c = bcfg->enet1Mac + 5; - while ((c >= (char *) bcfg->enet1Mac) && !(++(*c))) - c--; - } - - switch(mips_machtype) { - case MACH_ATHEROS_AR5312: - ar5312_eth0_data.macaddr = bcfg->enet0Mac; - ar5312_eth1_data.macaddr = bcfg->enet1Mac; - ar5312_devs[dev++] = &ar5312_eth[0]; - ar5312_devs[dev++] = &ar5312_eth[1]; - break; - case MACH_ATHEROS_AR2312: - case MACH_ATHEROS_AR2313: - ar231x_eth0_data.macaddr = bcfg->enet0Mac; - ar5312_devs[dev++] = &ar231x_eth0; - ar5312_flash_data.width = 1; - break; - } - - if (radio) { - if (mips_machtype == MACH_ATHEROS_AR5312) { - if (*((u32 *) radio) & AR531X_RADIO0_MASK) { - ar5312_wmac[0].dev.platform_data = init_wmac(0); - ar5312_devs[dev++] = &ar5312_wmac[0]; - } - } - if (*((u32 *) radio) & AR531X_RADIO1_MASK) { - ar5312_wmac[1].dev.platform_data = init_wmac(1); - ar5312_devs[dev++] = &ar5312_wmac[1]; - } - } - - return platform_add_devices(ar5312_devs, dev); -} - - -static void ar5312_halt(void) -{ - while (1); -} - -static void ar5312_power_off(void) -{ - ar5312_halt(); -} - - -static void ar5312_restart(char *command) -{ - /* reset the system */ - for(;;) sysRegWrite(AR531X_RESET, AR531X_RESET_SYSTEM); -} - - -/* - * This table is indexed by bits 5..4 of the CLOCKCTL1 register - * to determine the predevisor value. - */ -static int __initdata CLOCKCTL1_PREDIVIDE_TABLE[4] = { - 1, - 2, - 4, - 5 -}; - - -static unsigned int __init ar5312_cpu_frequency(void) -{ - unsigned int result; - unsigned int predivide_mask, predivide_shift; - unsigned int multiplier_mask, multiplier_shift; - unsigned int clockCtl1, preDivideSelect, preDivisor, multiplier; - unsigned int doubler_mask; - unsigned int wisoc_revision; - - /* Trust the bootrom's idea of cpu frequency. */ - if ((result = sysRegRead(AR5312_SCRATCH))) - return result; - - wisoc_revision = (sysRegRead(AR531X_REV) & AR531X_REV_MAJ) >> AR531X_REV_MAJ_S; - if (wisoc_revision == AR531X_REV_MAJ_AR2313) { - predivide_mask = AR2313_CLOCKCTL1_PREDIVIDE_MASK; - predivide_shift = AR2313_CLOCKCTL1_PREDIVIDE_SHIFT; - multiplier_mask = AR2313_CLOCKCTL1_MULTIPLIER_MASK; - multiplier_shift = AR2313_CLOCKCTL1_MULTIPLIER_SHIFT; - doubler_mask = AR2313_CLOCKCTL1_DOUBLER_MASK; - } else { /* AR5312 and AR2312 */ - predivide_mask = AR5312_CLOCKCTL1_PREDIVIDE_MASK; - predivide_shift = AR5312_CLOCKCTL1_PREDIVIDE_SHIFT; - multiplier_mask = AR5312_CLOCKCTL1_MULTIPLIER_MASK; - multiplier_shift = AR5312_CLOCKCTL1_MULTIPLIER_SHIFT; - doubler_mask = AR5312_CLOCKCTL1_DOUBLER_MASK; - } - - /* - * Clocking is derived from a fixed 40MHz input clock. - * - * cpuFreq = InputClock * MULT (where MULT is PLL multiplier) - * sysFreq = cpuFreq / 4 (used for APB clock, serial, - * flash, Timer, Watchdog Timer) - * - * cntFreq = cpuFreq / 2 (use for CPU count/compare) - * - * So, for example, with a PLL multiplier of 5, we have - * - * cpuFreq = 200MHz - * sysFreq = 50MHz - * cntFreq = 100MHz - * - * We compute the CPU frequency, based on PLL settings. - */ - - clockCtl1 = sysRegRead(AR5312_CLOCKCTL1); - preDivideSelect = (clockCtl1 & predivide_mask) >> predivide_shift; - preDivisor = CLOCKCTL1_PREDIVIDE_TABLE[preDivideSelect]; - multiplier = (clockCtl1 & multiplier_mask) >> multiplier_shift; - - if (clockCtl1 & doubler_mask) { - multiplier = multiplier << 1; - } - return (40000000 / preDivisor) * multiplier; -} - -static inline int ar5312_sys_frequency(void) -{ - return ar5312_cpu_frequency() / 4; -} - -static void __init ar5312_time_init(void) -{ - mips_hpt_frequency = ar5312_cpu_frequency() / 2; -} - - -void __init ar5312_prom_init(void) -{ - u32 memsize, memcfg, bank0AC, bank1AC; - - is_5312 = 1; - - /* Detect memory size */ - memcfg = sysRegRead(AR531X_MEM_CFG1); - bank0AC = (memcfg & MEM_CFG1_AC0) >> MEM_CFG1_AC0_S; - bank1AC = (memcfg & MEM_CFG1_AC1) >> MEM_CFG1_AC1_S; - memsize = (bank0AC ? (1 << (bank0AC+1)) : 0) - + (bank1AC ? (1 << (bank1AC+1)) : 0); - memsize <<= 20; - add_memory_region(0, memsize, BOOT_MEM_RAM); - - /* Initialize it to AR5312 for now. Real detection will be done - * in ar5312_init_devices() */ - mips_machtype = MACH_ATHEROS_AR5312; -} - -void __init ar5312_plat_setup(void) -{ - /* Clear any lingering AHB errors */ - sysRegRead(AR531X_PROCADDR); - sysRegRead(AR531X_DMAADDR); - sysRegWrite(AR531X_WD_CTRL, AR531X_WD_CTRL_IGNORE_EXPIRATION); - - board_time_init = ar5312_time_init; - - _machine_restart = ar5312_restart; - _machine_halt = ar5312_halt; - pm_power_off = ar5312_power_off; - - serial_setup(KSEG1ADDR(AR531X_UART0), ar5312_sys_frequency()); -} - -arch_initcall(ar5312_init_devices); diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/irq.c b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/irq.c deleted file mode 100644 index c5062bac4..000000000 --- a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/irq.c +++ /dev/null @@ -1,174 +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 <kaloz@openwrt.org> - * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> - */ - -/* - * Platform devices for Atheros SoCs - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/reboot.h> -#include <asm/bootinfo.h> -#include <asm/time.h> -#include <asm/irq.h> -#include <asm/io.h> -#include "../ar531x.h" - -/* - * Called when an interrupt is received, this function - * determines exactly which interrupt it was, and it - * invokes the appropriate handler. - * - * Implicitly, we also define interrupt priority by - * choosing which to dispatch first. - */ -asmlinkage void ar5312_irq_dispatch(void) -{ - int pending = read_c0_status() & read_c0_cause(); - - if (pending & CAUSEF_IP2) - do_IRQ(AR5312_IRQ_WLAN0_INTRS); - else if (pending & CAUSEF_IP3) - do_IRQ(AR5312_IRQ_ENET0_INTRS); - else if (pending & CAUSEF_IP4) - do_IRQ(AR5312_IRQ_ENET1_INTRS); - else if (pending & CAUSEF_IP5) - do_IRQ(AR5312_IRQ_WLAN1_INTRS); - else if (pending & CAUSEF_IP6) { - unsigned int ar531x_misc_intrs = sysRegRead(AR531X_ISR) & sysRegRead(AR531X_IMR); - - if (ar531x_misc_intrs & AR531X_ISR_TIMER) { - do_IRQ(AR531X_MISC_IRQ_TIMER); - (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_UART0)) - do_IRQ(AR531X_MISC_IRQ_UART0); - else if (ar531x_misc_intrs & AR531X_ISR_WD) - do_IRQ(AR531X_MISC_IRQ_WATCHDOG); - else - do_IRQ(AR531X_MISC_IRQ_NONE); - } else if (pending & CAUSEF_IP7) { - do_IRQ(AR531X_IRQ_CPU_CLOCK); - } - else - do_IRQ(AR531X_IRQ_NONE); -} - - -/* Enable the specified AR531X_MISC_IRQ interrupt */ -static void -ar5312_misc_intr_enable(unsigned int irq) -{ - unsigned int imr; - - imr = sysRegRead(AR531X_IMR); - imr |= (1 << (irq - AR531X_MISC_IRQ_BASE - 1)); - sysRegWrite(AR531X_IMR, imr); - sysRegRead(AR531X_IMR); /* flush write buffer */ -} - -/* Disable the specified AR531X_MISC_IRQ interrupt */ -static void -ar5312_misc_intr_disable(unsigned int irq) -{ - unsigned int imr; - - imr = sysRegRead(AR531X_IMR); - imr &= ~(1 << (irq - AR531X_MISC_IRQ_BASE - 1)); - sysRegWrite(AR531X_IMR, imr); - sysRegRead(AR531X_IMR); /* flush write buffer */ -} - -/* Turn on the specified AR531X_MISC_IRQ interrupt */ -static unsigned int -ar5312_misc_intr_startup(unsigned int irq) -{ - ar5312_misc_intr_enable(irq); - return 0; -} - -/* Turn off the specified AR531X_MISC_IRQ interrupt */ -static void -ar5312_misc_intr_shutdown(unsigned int irq) -{ - ar5312_misc_intr_disable(irq); -} - -static void -ar5312_misc_intr_ack(unsigned int irq) -{ - ar5312_misc_intr_disable(irq); -} - -static void -ar5312_misc_intr_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - ar5312_misc_intr_enable(irq); -} - -static struct irq_chip ar5312_misc_intr_controller = { - .typename = "AR5312 misc", - .startup = ar5312_misc_intr_startup, - .shutdown = ar5312_misc_intr_shutdown, - .enable = ar5312_misc_intr_enable, - .disable = ar5312_misc_intr_disable, - .ack = ar5312_misc_intr_ack, - .end = ar5312_misc_intr_end, -}; - -static irqreturn_t ar5312_ahb_proc_handler(int cpl, void *dev_id) -{ - u32 proc1 = sysRegRead(AR531X_PROC1); - u32 procAddr = sysRegRead(AR531X_PROCADDR); /* clears error state */ - u32 dma1 = sysRegRead(AR531X_DMA1); - u32 dmaAddr = sysRegRead(AR531X_DMAADDR); /* clears error state */ - - printk("AHB interrupt: PROCADDR=0x%8.8x PROC1=0x%8.8x DMAADDR=0x%8.8x DMA1=0x%8.8x\n", - procAddr, proc1, dmaAddr, dma1); - - machine_restart("AHB error"); /* Catastrophic failure */ - return IRQ_HANDLED; -} - - -static struct irqaction ar5312_ahb_proc_interrupt = { - .handler = ar5312_ahb_proc_handler, - .flags = IRQF_DISABLED, - .name = "ar5312_ahb_proc_interrupt", -}; - - -static struct irqaction cascade = { - .handler = no_action, - .flags = IRQF_DISABLED, - .name = "cascade", -}; - -void __init ar5312_misc_intr_init(int irq_base) -{ - int i; - - for (i = irq_base; i < irq_base + AR531X_MISC_IRQ_COUNT; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].action = NULL; - irq_desc[i].depth = 1; - irq_desc[i].chip = &ar5312_misc_intr_controller; - } - setup_irq(AR531X_MISC_IRQ_AHB_PROC, &ar5312_ahb_proc_interrupt); - setup_irq(AR5312_IRQ_MISC_INTRS, &cascade); -} - - |