From 57660adae3b1b69482898ab20abf4f96a1541b9a Mon Sep 17 00:00:00 2001 From: nbd Date: Mon, 20 Apr 2009 18:57:42 +0000 Subject: atheros: nuke 2.6.26 support, 2.6.28 is stable git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15303 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../atheros/files-2.6.26/arch/mips/atheros/Kconfig | 27 -- .../files-2.6.26/arch/mips/atheros/Makefile | 13 - .../files-2.6.26/arch/mips/atheros/ar5312/Makefile | 11 - .../files-2.6.26/arch/mips/atheros/ar5312/board.c | 473 --------------------- .../files-2.6.26/arch/mips/atheros/ar5312/irq.c | 174 -------- .../files-2.6.26/arch/mips/atheros/ar5315/Makefile | 12 - .../files-2.6.26/arch/mips/atheros/ar5315/board.c | 414 ------------------ .../files-2.6.26/arch/mips/atheros/ar5315/irq.c | 359 ---------------- .../files-2.6.26/arch/mips/atheros/ar5315/pci.c | 265 ------------ .../atheros/files-2.6.26/arch/mips/atheros/board.c | 299 ------------- .../atheros/files-2.6.26/arch/mips/atheros/prom.c | 45 -- .../atheros/files-2.6.26/arch/mips/atheros/reset.c | 162 ------- 12 files changed, 2254 deletions(-) delete mode 100644 target/linux/atheros/files-2.6.26/arch/mips/atheros/Kconfig delete mode 100644 target/linux/atheros/files-2.6.26/arch/mips/atheros/Makefile delete mode 100644 target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5312/Makefile delete mode 100644 target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5312/board.c delete mode 100644 target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5312/irq.c delete mode 100644 target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/Makefile delete mode 100644 target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/board.c delete mode 100644 target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/irq.c delete mode 100644 target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/pci.c delete mode 100644 target/linux/atheros/files-2.6.26/arch/mips/atheros/board.c delete mode 100644 target/linux/atheros/files-2.6.26/arch/mips/atheros/prom.c delete mode 100644 target/linux/atheros/files-2.6.26/arch/mips/atheros/reset.c (limited to 'target/linux/atheros/files-2.6.26/arch') diff --git a/target/linux/atheros/files-2.6.26/arch/mips/atheros/Kconfig b/target/linux/atheros/files-2.6.26/arch/mips/atheros/Kconfig deleted file mode 100644 index 953f0cb5b..000000000 --- a/target/linux/atheros/files-2.6.26/arch/mips/atheros/Kconfig +++ /dev/null @@ -1,27 +0,0 @@ -config ATHEROS_AR5312 - bool "Atheros 5312/2312+ support" - depends on ATHEROS - default y - -config ATHEROS_AR5315 - bool "Atheros 5315/2315+ support" - depends on ATHEROS - select DMA_NONCOHERENT - select CEVT_R4K - select CSRC_R4K - select IRQ_CPU - select SYS_HAS_CPU_MIPS32_R1 - select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_BIG_ENDIAN - select GENERIC_GPIO - default y - -config ATHEROS_AR5315_PCI - bool "PCI support" - select HW_HAS_PCI - select PCI - select USB_ARCH_HAS_HCD - select USB_ARCH_HAS_OHCI - select USB_ARCH_HAS_EHCI - depends on ATHEROS_AR5315 - default n diff --git a/target/linux/atheros/files-2.6.26/arch/mips/atheros/Makefile b/target/linux/atheros/files-2.6.26/arch/mips/atheros/Makefile deleted file mode 100644 index 2c2b991bc..000000000 --- a/target/linux/atheros/files-2.6.26/arch/mips/atheros/Makefile +++ /dev/null @@ -1,13 +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) 2006 FON Technology, SL. -# Copyright (C) 2006 Imre Kaloz -# Copyright (C) 2006 Felix Fietkau -# - -obj-y += board.o prom.o reset.o -obj-$(CONFIG_ATHEROS_AR5312) += ar5312/ -obj-$(CONFIG_ATHEROS_AR5315) += ar5315/ diff --git a/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5312/Makefile b/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5312/Makefile deleted file mode 100644 index 6c50d9931..000000000 --- a/target/linux/atheros/files-2.6.26/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 -# Copyright (C) 2007 Felix Fietkau -# - -obj-y := board.o irq.o diff --git a/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5312/board.c b/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5312/board.c deleted file mode 100644 index 938db11bc..000000000 --- a/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5312/board.c +++ /dev/null @@ -1,473 +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 - */ - -/* - * Platform devices for Atheros SoCs - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define NO_PHY 0x1f - -static int is_5312 = 0; -static struct platform_device *ar5312_devs[6]; - -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 + 0x800000 - 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, -}; - -#ifdef CONFIG_LEDS_GPIO -static struct gpio_led ar5312_leds[] = { - { .name = "wlan", .gpio = 0, .active_low = 1, }, -}; - -static const struct gpio_led_platform_data ar5312_led_data = { - .num_leds = ARRAY_SIZE(ar5312_leds), - .leds = (void *) ar5312_leds, -}; - -static struct platform_device ar5312_gpio_leds = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = (void *) &ar5312_led_data, - } -}; -#endif - -/* - * 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; - -#ifdef CONFIG_LEDS_GPIO - ar5312_leds[0].gpio = bcfg->sysLedGpio; - ar5312_devs[dev++] = &ar5312_gpio_leds; -#endif - - 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/files-2.6.26/arch/mips/atheros/ar5312/irq.c b/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5312/irq.c deleted file mode 100644 index 0cbdc8ed2..000000000 --- a/target/linux/atheros/files-2.6.26/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 - * Copyright (C) 2006 Felix Fietkau - */ - -/* - * Platform devices for Atheros SoCs - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -/* - * 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); - } -} - - -/* 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); -} - - diff --git a/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/Makefile b/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/Makefile deleted file mode 100644 index 9b900113f..000000000 --- a/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/Makefile +++ /dev/null @@ -1,12 +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 -# Copyright (C) 2007 Felix Fietkau -# - -obj-y := board.o irq.o -obj-$(CONFIG_ATHEROS_AR5315_PCI) += pci.o diff --git a/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/board.c b/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/board.c deleted file mode 100644 index 6ee75a966..000000000 --- a/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/board.c +++ /dev/null @@ -1,414 +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 - */ - -/* - * Platform devices for Atheros SoCs - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -static int is_5315 = 0; - -static struct resource ar5315_eth_res[] = { - { - .name = "eth0_membase", - .flags = IORESOURCE_MEM, - .start = AR5315_ENET0, - .end = AR5315_ENET0 + 0x2000, - }, - { - .name = "eth0_irq", - .flags = IORESOURCE_IRQ, - .start = AR5315_IRQ_ENET0_INTRS, - .end = AR5315_IRQ_ENET0_INTRS, - }, -}; - -static struct ar531x_eth ar5315_eth_data = { - .phy = 1, - .mac = 0, - .reset_base = AR5315_RESET, - .reset_mac = AR5315_RESET_ENET0, - .reset_phy = AR5315_RESET_EPHY0, - .phy_base = AR5315_ENET0 -}; - -static struct platform_device ar5315_eth = { - .id = 0, - .name = "ar531x-eth", - .dev.platform_data = &ar5315_eth_data, - .resource = ar5315_eth_res, - .num_resources = ARRAY_SIZE(ar5315_eth_res) -}; - -static struct platform_device ar5315_wmac = { - .id = 0, - .name = "ar531x-wmac", - /* FIXME: add resources */ -}; - -static struct resource ar5315_spiflash_res[] = { - { - .name = "flash_base", - .flags = IORESOURCE_MEM, - .start = KSEG1ADDR(AR5315_SPI_READ), - .end = KSEG1ADDR(AR5315_SPI_READ) + 0x800000, - }, - { - .name = "flash_regs", - .flags = IORESOURCE_MEM, - .start = 0x11300000, - .end = 0x11300012, - }, -}; - -static struct platform_device ar5315_spiflash = { - .id = 0, - .name = "spiflash", - .resource = ar5315_spiflash_res, - .num_resources = ARRAY_SIZE(ar5315_spiflash_res) -}; - -#ifdef CONFIG_LEDS_GPIO -static struct gpio_led ar5315_leds[8]; - -static struct gpio_led_platform_data ar5315_led_data = { - .num_leds = ARRAY_SIZE(ar5315_leds), - .leds = (void *) ar5315_leds, -}; - -static struct platform_device ar5315_gpio_leds = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = (void *) &ar5315_led_data, - } -}; -#endif - -static struct platform_device ar5315_wdt = -{ - .id = 0, - .name = "ar2315_wdt", -}; - -static __initdata struct platform_device *ar5315_devs[6]; - -static void *flash_regs; - -static inline __u32 spiflash_regread32(int reg) -{ - volatile __u32 *data = (__u32 *)(flash_regs + reg); - - return (*data); -} - -static inline void spiflash_regwrite32(int reg, __u32 data) -{ - volatile __u32 *addr = (__u32 *)(flash_regs + reg); - - *addr = data; -} - -#define SPI_FLASH_CTL 0x00 -#define SPI_FLASH_OPCODE 0x04 -#define SPI_FLASH_DATA 0x08 - -static __u8 spiflash_probe(void) -{ - __u32 reg; - - do { - reg = spiflash_regread32(SPI_FLASH_CTL); - } while (reg & SPI_CTL_BUSY); - - spiflash_regwrite32(SPI_FLASH_OPCODE, 0xab); - - reg = (reg & ~SPI_CTL_TX_RX_CNT_MASK) | 4 | - (1 << 4) | SPI_CTL_START; - - spiflash_regwrite32(SPI_FLASH_CTL, reg); - - do { - reg = spiflash_regread32(SPI_FLASH_CTL); - } while (reg & SPI_CTL_BUSY); - - reg = (__u32) spiflash_regread32(SPI_FLASH_DATA); - reg &= 0xff; - - return (u8) reg; -} - - -#define STM_8MBIT_SIGNATURE 0x13 -#define STM_16MBIT_SIGNATURE 0x14 -#define STM_32MBIT_SIGNATURE 0x15 -#define STM_64MBIT_SIGNATURE 0x16 -#define STM_128MBIT_SIGNATURE 0x17 - - -static char __init *ar5315_flash_limit(void) -{ - u8 sig; - u32 flash_size = 0; - - /* probe the flash chip size */ - flash_regs = ioremap_nocache(ar5315_spiflash_res[1].start, ar5315_spiflash_res[1].end - ar5315_spiflash_res[1].start); - sig = spiflash_probe(); - iounmap(flash_regs); - - switch(sig) { - case STM_8MBIT_SIGNATURE: - flash_size = 0x00100000; - break; - case STM_16MBIT_SIGNATURE: - flash_size = 0x00200000; - break; - case STM_32MBIT_SIGNATURE: - flash_size = 0x00400000; - break; - case STM_64MBIT_SIGNATURE: - flash_size = 0x00800000; - break; - case STM_128MBIT_SIGNATURE: - flash_size = 0x01000000; - break; - } - - ar5315_spiflash_res[0].end = ar5315_spiflash_res[0].start + flash_size; - return (char *) ar5315_spiflash_res[0].end; -} - -int __init ar5315_init_devices(void) -{ - struct ar531x_config *config; - struct ar531x_boarddata *bcfg; - int dev = 0; -#ifdef CONFIG_LEDS_GPIO - int i; - char *tmp; -#endif - - if (!is_5315) - return 0; - - /* Find board configuration */ - ar531x_find_config(ar5315_flash_limit()); - bcfg = (struct ar531x_boarddata *) board_config; - - config = (struct ar531x_config *) kzalloc(sizeof(struct ar531x_config), GFP_KERNEL); - config->board = board_config; - config->radio = radio_config; - config->unit = 0; - config->tag = (u_int16_t) (sysRegRead(AR5315_SREV) & AR5315_REV_CHIP); - - ar5315_eth_data.board_config = board_config; - ar5315_eth_data.macaddr = bcfg->enet0Mac; - ar5315_wmac.dev.platform_data = config; - - ar5315_devs[dev++] = &ar5315_eth; - ar5315_devs[dev++] = &ar5315_wmac; - ar5315_devs[dev++] = &ar5315_spiflash; - ar5315_devs[dev++] = &ar5315_wdt; - -#ifdef CONFIG_LEDS_GPIO - ar5315_led_data.num_leds = 0; - for(i = 1; i < 8; i++) - { - if((i != AR5315_RESET_GPIO) && (i != bcfg->resetConfigGpio)) - { - if(i == bcfg->sysLedGpio) - { - tmp = kstrdup("wlan", GFP_KERNEL); - } else { - tmp = kmalloc(6, GFP_KERNEL); - if(tmp) - sprintf((char*)tmp, "gpio%d", i); - } - if(tmp) - { - ar5315_leds[ar5315_led_data.num_leds].name = tmp; - ar5315_leds[ar5315_led_data.num_leds].gpio = i; - ar5315_leds[ar5315_led_data.num_leds].active_low = 0; - ar5315_led_data.num_leds++; - } else { - printk("failed to alloc led string\n"); - continue; - } - } - } - ar5315_devs[dev++] = &ar5315_gpio_leds; -#endif - - return platform_add_devices(ar5315_devs, dev); -} - -static void ar5315_halt(void) -{ - while (1); -} - -static void ar5315_power_off(void) -{ - ar5315_halt(); -} - - -static void ar5315_restart(char *command) -{ - void (*mips_reset_vec)(void) = (void *) 0xbfc00000; - - /* reset the system */ - sysRegWrite(AR5315_COLD_RESET,AR5317_RESET_SYSTEM); - - /* Cold reset does not work on the AR2315/6, use the GPIO reset bits a workaround. - * give it some time to attempt a gpio based hardware reset - * (atheros reference design workaround) */ - gpio_direction_output(AR5315_RESET_GPIO, 0); - mdelay(100); - - /* Some boards (e.g. Senao EOC-2610) don't implement the reset logic - * workaround. Attempt to jump to the mips reset location - - * the boot loader itself might be able to recover the system */ - mips_reset_vec(); -} - - -/* - * 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 int __initdata PLLC_DIVIDE_TABLE[5] = { - 2, - 3, - 4, - 6, - 3 -}; - -static unsigned int __init -ar5315_sys_clk(unsigned int clockCtl) -{ - unsigned int pllcCtrl,cpuDiv; - unsigned int pllcOut,refdiv,fdiv,divby2; - unsigned int clkDiv; - - pllcCtrl = sysRegRead(AR5315_PLLC_CTL); - refdiv = (pllcCtrl & PLLC_REF_DIV_M) >> PLLC_REF_DIV_S; - refdiv = CLOCKCTL1_PREDIVIDE_TABLE[refdiv]; - fdiv = (pllcCtrl & PLLC_FDBACK_DIV_M) >> PLLC_FDBACK_DIV_S; - divby2 = (pllcCtrl & PLLC_ADD_FDBACK_DIV_M) >> PLLC_ADD_FDBACK_DIV_S; - divby2 += 1; - pllcOut = (40000000/refdiv)*(2*divby2)*fdiv; - - - /* clkm input selected */ - switch(clockCtl & CPUCLK_CLK_SEL_M) { - case 0: - case 1: - clkDiv = PLLC_DIVIDE_TABLE[(pllcCtrl & PLLC_CLKM_DIV_M) >> PLLC_CLKM_DIV_S]; - break; - case 2: - clkDiv = PLLC_DIVIDE_TABLE[(pllcCtrl & PLLC_CLKC_DIV_M) >> PLLC_CLKC_DIV_S]; - break; - default: - pllcOut = 40000000; - clkDiv = 1; - break; - } - cpuDiv = (clockCtl & CPUCLK_CLK_DIV_M) >> CPUCLK_CLK_DIV_S; - cpuDiv = cpuDiv * 2 ?: 1; - return (pllcOut/(clkDiv * cpuDiv)); -} - -static inline unsigned int ar5315_cpu_frequency(void) -{ - return ar5315_sys_clk(sysRegRead(AR5315_CPUCLK)); -} - -static inline unsigned int ar5315_apb_frequency(void) -{ - return ar5315_sys_clk(sysRegRead(AR5315_AMBACLK)); -} - -static void __init ar5315_time_init(void) -{ - mips_hpt_frequency = ar5315_cpu_frequency() / 2; -} - -void __init ar5315_prom_init(void) -{ - u32 memsize, memcfg, devid; - - is_5315 = 1; - memcfg = sysRegRead(AR5315_MEM_CFG); - memsize = 1 + ((memcfg & SDRAM_DATA_WIDTH_M) >> SDRAM_DATA_WIDTH_S); - memsize <<= 1 + ((memcfg & SDRAM_COL_WIDTH_M) >> SDRAM_COL_WIDTH_S); - memsize <<= 1 + ((memcfg & SDRAM_ROW_WIDTH_M) >> SDRAM_ROW_WIDTH_S); - memsize <<= 3; - add_memory_region(0, memsize, BOOT_MEM_RAM); - - /* Detect the hardware based on the device ID */ - devid = sysRegRead(AR5315_SREV) & AR5315_REV_CHIP; - switch(devid) { - case 0x90: - case 0x91: - mips_machtype = MACH_ATHEROS_AR2317; - break; - default: - mips_machtype = MACH_ATHEROS_AR2315; - break; - } -} - -void __init ar5315_plat_setup(void) -{ - unsigned int config = read_c0_config(); - - /* Clear any lingering AHB errors */ - write_c0_config(config & ~0x3); - sysRegWrite(AR5315_AHB_ERR0,AHB_ERROR_DET); - sysRegRead(AR5315_AHB_ERR1); - sysRegWrite(AR5315_WDC, WDC_IGNORE_EXPIRATION); - - board_time_init = ar5315_time_init; - - _machine_restart = ar5315_restart; - _machine_halt = ar5315_halt; - pm_power_off = ar5315_power_off; - - serial_setup(KSEG1ADDR(AR5315_UART0), ar5315_apb_frequency()); -} - -arch_initcall(ar5315_init_devices); diff --git a/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/irq.c b/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/irq.c deleted file mode 100644 index 581b1a4a1..000000000 --- a/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/irq.c +++ /dev/null @@ -1,359 +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 - */ - -/* - * Platform devices for Atheros SoCs - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -static u32 gpiointmask = 0, gpiointval = 0; - -static inline void ar5315_gpio_irq(void) -{ - u32 pend; - sysRegWrite(AR5315_ISR, sysRegRead(AR5315_IMR) | ~AR5315_ISR_GPIO); - - /* only do one gpio interrupt at a time */ - pend = (sysRegRead(AR5315_GPIO_DI) ^ gpiointval) & gpiointmask; - if (!pend) - return; - - do_IRQ(AR531X_GPIO_IRQ_BASE + fls(pend) - 1); -} - - -/* - * 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 ar5315_irq_dispatch(void) -{ - int pending = read_c0_status() & read_c0_cause(); - - if (pending & CAUSEF_IP3) - do_IRQ(AR5315_IRQ_WLAN0_INTRS); - else if (pending & CAUSEF_IP4) - do_IRQ(AR5315_IRQ_ENET0_INTRS); -#ifdef CONFIG_PCI - else if (pending & CAUSEF_IP5) - ar5315_pci_irq(AR5315_IRQ_LCBUS_PCI); -#endif - else if (pending & CAUSEF_IP2) { - unsigned int ar531x_misc_intrs = sysRegRead(AR5315_ISR) & sysRegRead(AR5315_IMR); - - if (ar531x_misc_intrs & AR5315_ISR_SPI) - do_IRQ(AR531X_MISC_IRQ_SPI); - else if (ar531x_misc_intrs & AR5315_ISR_TIMER) - do_IRQ(AR531X_MISC_IRQ_TIMER); - else if (ar531x_misc_intrs & AR5315_ISR_AHB) - do_IRQ(AR531X_MISC_IRQ_AHB_PROC); - else if (ar531x_misc_intrs & AR5315_ISR_GPIO) - ar5315_gpio_irq(); - else if (ar531x_misc_intrs & AR5315_ISR_UART0) - do_IRQ(AR531X_MISC_IRQ_UART0); - else if (ar531x_misc_intrs & AR5315_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); -} - -#ifdef CONFIG_PCI -static inline void pci_abort_irq(void) -{ - sysRegWrite(AR5315_PCI_INT_STATUS, AR5315_PCI_ABORT_INT); - (void)sysRegRead(AR5315_PCI_INT_STATUS); /* flush write to hardware */ -} - -static inline void pci_ack_irq(void) -{ - sysRegWrite(AR5315_PCI_INT_STATUS, AR5315_PCI_EXT_INT); - (void)sysRegRead(AR5315_PCI_INT_STATUS); /* flush write to hardware */ -} - -void ar5315_pci_irq(int irq) -{ - if (sysRegRead(AR5315_PCI_INT_STATUS) == AR5315_PCI_ABORT_INT) - pci_abort_irq(); - else { - do_IRQ(irq); - pci_ack_irq(); - } -} -#endif - -static void ar5315_gpio_intr_enable(unsigned int irq) -{ - u32 gpio, mask; - gpio = irq - AR531X_GPIO_IRQ_BASE; - mask = 1 << gpio; - gpiointmask |= mask; - - /* reconfigure GPIO line as input */ - sysRegMask(AR5315_GPIO_CR, AR5315_GPIO_CR_M(gpio), AR5315_GPIO_CR_I(gpio)); - - /* Enable interrupt with edge detection */ - sysRegMask(AR5315_GPIO_INT, AR5315_GPIO_INT_M | AR5315_GPIO_INT_LVL_M, gpio | AR5315_GPIO_INT_LVL(3)); -} - -static void ar5315_gpio_intr_disable(unsigned int irq) -{ - u32 gpio, mask; - gpio = irq - AR531X_GPIO_IRQ_BASE; - mask = 1 << gpio; - - gpiointmask &= ~mask; - - /* Disable interrupt with edge detection */ - sysRegMask(AR5315_GPIO_INT, AR5315_GPIO_INT_M | AR5315_GPIO_INT_LVL_M, gpio | AR5315_GPIO_INT_LVL(0)); -} - -/* Turn on the specified AR531X_MISC_IRQ interrupt */ -static unsigned int ar5315_gpio_intr_startup(unsigned int irq) -{ - ar5315_gpio_intr_enable(irq); - return 0; -} - -/* Turn off the specified AR531X_MISC_IRQ interrupt */ -static void -ar5315_gpio_intr_shutdown(unsigned int irq) -{ - ar5315_gpio_intr_disable(irq); -} - -static void -ar5315_gpio_intr_ack(unsigned int irq) -{ - ar5315_gpio_intr_disable(irq); -} - -static void -ar5315_gpio_intr_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - ar5315_gpio_intr_enable(irq); -} - -static struct irq_chip ar5315_gpio_intr_controller = { - .typename = "AR5315 GPIO", - .startup = ar5315_gpio_intr_startup, - .shutdown = ar5315_gpio_intr_shutdown, - .enable = ar5315_gpio_intr_enable, - .disable = ar5315_gpio_intr_disable, - .ack = ar5315_gpio_intr_ack, - .end = ar5315_gpio_intr_end, -}; - - -/* Enable the specified AR531X_MISC_IRQ interrupt */ -static void -ar5315_misc_intr_enable(unsigned int irq) -{ - unsigned int imr; - - imr = sysRegRead(AR5315_IMR); - switch(irq) - { - case AR531X_MISC_IRQ_SPI: - imr |= AR5315_ISR_SPI; - break; - - case AR531X_MISC_IRQ_TIMER: - imr |= AR5315_ISR_TIMER; - break; - - case AR531X_MISC_IRQ_AHB_PROC: - imr |= AR5315_ISR_AHB; - break; - - case AR531X_MISC_IRQ_AHB_DMA: - imr |= 0/* ?? */; - break; - - case AR531X_MISC_IRQ_GPIO: - imr |= AR5315_ISR_GPIO; - break; - - case AR531X_MISC_IRQ_UART0: - imr |= AR5315_ISR_UART0; - break; - - - case AR531X_MISC_IRQ_WATCHDOG: - imr |= AR5315_ISR_WD; - break; - - case AR531X_MISC_IRQ_LOCAL: - imr |= 0/* ?? */; - break; - - } - sysRegWrite(AR5315_IMR, imr); - imr=sysRegRead(AR5315_IMR); /* flush write buffer */ -} - -/* Disable the specified AR531X_MISC_IRQ interrupt */ -static void -ar5315_misc_intr_disable(unsigned int irq) -{ - unsigned int imr; - - imr = sysRegRead(AR5315_IMR); - switch(irq) - { - case AR531X_MISC_IRQ_SPI: - imr &= ~AR5315_ISR_SPI; - break; - - case AR531X_MISC_IRQ_TIMER: - imr &= (~AR5315_ISR_TIMER); - break; - - case AR531X_MISC_IRQ_AHB_PROC: - imr &= (~AR5315_ISR_AHB); - break; - - case AR531X_MISC_IRQ_AHB_DMA: - imr &= 0/* ?? */; - break; - - case AR531X_MISC_IRQ_GPIO: - imr &= ~AR5315_ISR_GPIO; - break; - - case AR531X_MISC_IRQ_UART0: - imr &= (~AR5315_ISR_UART0); - break; - - case AR531X_MISC_IRQ_WATCHDOG: - imr &= (~AR5315_ISR_WD); - break; - - case AR531X_MISC_IRQ_LOCAL: - imr &= ~0/* ?? */; - break; - - } - sysRegWrite(AR5315_IMR, imr); - sysRegRead(AR5315_IMR); /* flush write buffer */ -} - -/* Turn on the specified AR531X_MISC_IRQ interrupt */ -static unsigned int -ar5315_misc_intr_startup(unsigned int irq) -{ - ar5315_misc_intr_enable(irq); - return 0; -} - -/* Turn off the specified AR531X_MISC_IRQ interrupt */ -static void -ar5315_misc_intr_shutdown(unsigned int irq) -{ - ar5315_misc_intr_disable(irq); -} - -static void -ar5315_misc_intr_ack(unsigned int irq) -{ - ar5315_misc_intr_disable(irq); -} - -static void -ar5315_misc_intr_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - ar5315_misc_intr_enable(irq); -} - -static struct irq_chip ar5315_misc_intr_controller = { - .typename = "AR5315 misc", - .startup = ar5315_misc_intr_startup, - .shutdown = ar5315_misc_intr_shutdown, - .enable = ar5315_misc_intr_enable, - .disable = ar5315_misc_intr_disable, - .ack = ar5315_misc_intr_ack, - .end = ar5315_misc_intr_end, -}; - -static irqreturn_t ar5315_ahb_proc_handler(int cpl, void *dev_id) -{ - sysRegWrite(AR5315_AHB_ERR0,AHB_ERROR_DET); - sysRegRead(AR5315_AHB_ERR1); - - printk("AHB fatal error\n"); - machine_restart("AHB error"); /* Catastrophic failure */ - - return IRQ_HANDLED; -} - -static struct irqaction ar5315_ahb_proc_interrupt = { - .handler = ar5315_ahb_proc_handler, - .flags = IRQF_DISABLED, - .name = "ar5315_ahb_proc_interrupt", -}; - - -static struct irqaction cascade = { - .handler = no_action, - .flags = IRQF_DISABLED, - .name = "cascade", -}; - -static void ar5315_gpio_intr_init(int irq_base) -{ - int i; - - for (i = irq_base; i < irq_base + AR531X_GPIO_IRQ_COUNT; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].action = NULL; - irq_desc[i].depth = 1; - irq_desc[i].chip = &ar5315_gpio_intr_controller; - } - setup_irq(AR531X_MISC_IRQ_GPIO, &cascade); - gpiointval = sysRegRead(AR5315_GPIO_DI); -} - -void ar5315_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 = &ar5315_misc_intr_controller; - } - setup_irq(AR531X_MISC_IRQ_AHB_PROC, &ar5315_ahb_proc_interrupt); - setup_irq(AR5315_IRQ_MISC_INTRS, &cascade); - ar5315_gpio_intr_init(AR531X_GPIO_IRQ_BASE); -} - diff --git a/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/pci.c b/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/pci.c deleted file mode 100644 index 166fa1cf9..000000000 --- a/target/linux/atheros/files-2.6.26/arch/mips/atheros/ar5315/pci.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "ar531x.h" - -#define AR531X_MEM_BASE 0x80800000UL -#define AR531X_MEM_SIZE 0x00ffffffUL -#define AR531X_IO_SIZE 0x00007fffUL -#define IDSEL_SHIFT 13 - -static spinlock_t ar531x_pci_lock = SPIN_LOCK_UNLOCKED; -static u32 cfgaddr; - -static int config_access(int busno, int dev, int func, int where, int size, u32 ptr, int write) -{ - u32 address; /* Address to read from */ - u32 reg; - unsigned long flags; - int ret = -1; - if ((busno != 0) || ((dev != 0) && (dev != 3)) || (func > 2)) - return ret; - - spin_lock_irqsave(&ar531x_pci_lock, flags); - - /* Select Configuration access */ - reg = sysRegRead(AR5315_PCI_MISC_CONFIG); - reg |= AR5315_PCIMISC_CFG_SEL; - sysRegWrite(AR5315_PCI_MISC_CONFIG, reg); - (void)sysRegRead(AR5315_PCI_MISC_CONFIG); - - address = (u32)cfgaddr + (1 << (IDSEL_SHIFT + dev)) + (func << 8) + where; - - if (size == 1) - address ^= 0x3; - else if (size == 2) - address ^= 0x2; - - if (write) { - if (size == 1) - ret = put_dbe(ptr, (u8 *) address); - else if (size == 2) - ret = put_dbe(ptr, (u16 *) address); - else if (size == 4) - ret = put_dbe(ptr, (u32 *) address); - } else { - if (size == 1) - ret = get_dbe(*((u32 *)ptr), (u8 *) address); - else if (size == 2) - ret = get_dbe(*((u32 *)ptr), (u16 *) address); - else if (size == 4) - ret = get_dbe(*((u32 *)ptr), (u32 *) address); - } - - /* Select Memory access */ - reg = sysRegRead(AR5315_PCI_MISC_CONFIG); - reg &= ~AR5315_PCIMISC_CFG_SEL; - sysRegWrite(AR5315_PCI_MISC_CONFIG, reg); - (void)sysRegRead(AR5315_PCI_MISC_CONFIG); - - spin_unlock_irqrestore(&ar531x_pci_lock, flags); - - if (ret) { - *((u32 *)ptr) = 0xffffffff; - return PCIBIOS_DEVICE_NOT_FOUND; - } - - return PCIBIOS_SUCCESSFUL; -} - -static int ar531x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 * value) -{ - return config_access(bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size, (u32) value, 0); -} - -static int ar531x_pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value) -{ - return config_access(bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size, value, 1); -} - -struct pci_ops ar531x_pci_ops = { - .read = ar531x_pci_read, - .write = ar531x_pci_write, -}; - -static struct resource ar531x_mem_resource = { - .name = "AR531x PCI MEM", - .start = AR531X_MEM_BASE, - .end = AR531X_MEM_BASE + AR531X_MEM_SIZE - AR531X_IO_SIZE - 1 + 0x4000000, - .flags = IORESOURCE_MEM, -}; - -static struct resource ar531x_io_resource = { - .name = "AR531x PCI I/O", - .start = AR531X_MEM_BASE + AR531X_MEM_SIZE - AR531X_IO_SIZE, - .end = AR531X_MEM_BASE + AR531X_MEM_SIZE - 1, - .flags = IORESOURCE_IO, -}; - -struct pci_controller ar531x_pci_controller = { - .pci_ops = &ar531x_pci_ops, - .mem_resource = &ar531x_mem_resource, - .io_resource = &ar531x_io_resource, - .mem_offset = 0x00000000UL, - .io_offset = 0x00000000UL, -}; - -int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - return AR5315_IRQ_LCBUS_PCI; -} - -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - u32 reg; - - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 5); - pci_write_config_word(dev, 0x40, 0); - - /* Clear any pending Abort or external Interrupts - * and enable interrupt processing */ - reg = sysRegRead(AR5315_PCI_INTEN_REG); - reg &= ~AR5315_PCI_INT_ENABLE; - sysRegWrite(AR5315_PCI_INTEN_REG, reg); - - reg = sysRegRead(AR5315_PCI_INT_STATUS); - reg |= (AR5315_PCI_ABORT_INT | AR5315_PCI_EXT_INT); - sysRegWrite(AR5315_PCI_INT_STATUS, reg); - - reg = sysRegRead(AR5315_PCI_INT_MASK); - reg |= (AR5315_PCI_EXT_INT | AR5315_PCI_ABORT_INT); - sysRegWrite(AR5315_PCI_INT_MASK, reg); - - reg = sysRegRead(AR5315_PCI_INTEN_REG); - reg |= AR5315_PCI_INT_ENABLE; - sysRegWrite(AR5315_PCI_INTEN_REG, reg); - - return 0; -} - -static void ar5315_pci_fixup(struct pci_dev *dev) -{ - struct pci_bus *bus = dev->bus; - - if ((PCI_SLOT(dev->devfn) != 3) || (PCI_FUNC(dev->devfn) != 0) || (bus->number != 0)) - return; - -#define _DEV bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn) - printk("PCI: fixing up device %d,%d,%d\n", _DEV); - /* fix up mbars */ - config_access(_DEV, PCI_BASE_ADDRESS_0, 4, HOST_PCI_MBAR0, 1); - config_access(_DEV, PCI_BASE_ADDRESS_1, 4, HOST_PCI_MBAR1, 1); - config_access(_DEV, PCI_BASE_ADDRESS_2, 4, HOST_PCI_MBAR2, 1); - config_access(_DEV, PCI_COMMAND, 4, - PCI_COMMAND_MEMORY|PCI_COMMAND_MASTER|PCI_COMMAND_SPECIAL| - PCI_COMMAND_INVALIDATE|PCI_COMMAND_PARITY|PCI_COMMAND_SERR| - PCI_COMMAND_FAST_BACK, 1); -#undef _DEV -} -DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, ar5315_pci_fixup); - -int __init ar5315_pci_init(void) -{ - u32 reg; - - if (mips_machtype != MACH_ATHEROS_AR2315) - return -ENODEV; - - printk("AR531x PCI init... \n"); - - cfgaddr = (u32) ioremap_nocache(0x80000000, 1*1024*1024); /* Remap PCI config space */ - ar531x_pci_controller.io_map_base = - (unsigned long) ioremap_nocache(AR531X_MEM_BASE + AR531X_MEM_SIZE, AR531X_IO_SIZE); - set_io_port_base(ar531x_pci_controller.io_map_base); /* PCI I/O space */ - - reg = sysRegRead(AR5315_RESET); - sysRegWrite(AR5315_RESET, reg | AR5315_RESET_PCIDMA); - - udelay(10*1000); - - sysRegWrite(AR5315_RESET, reg & ~AR5315_RESET_PCIDMA); - sysRegRead(AR5315_RESET); /* read after */ - - udelay(10*1000); - - reg = sysRegRead(AR5315_ENDIAN_CTL); - reg |= AR5315_CONFIG_PCIAHB | AR5315_CONFIG_PCIAHB_BRIDGE; - - sysRegWrite(AR5315_ENDIAN_CTL, reg); - - reg = sysRegRead(AR5315_PCICLK); - reg = 4; - sysRegWrite(AR5315_PCICLK, reg); - - reg = sysRegRead(AR5315_AHB_ARB_CTL); - reg |= (ARB_PCI); - sysRegWrite(AR5315_AHB_ARB_CTL, reg); - - reg = sysRegRead(AR5315_IF_CTL); - reg &= ~(IF_PCI_CLK_MASK | IF_MASK); - reg |= (IF_PCI | IF_PCI_HOST | IF_PCI_INTR | (IF_PCI_CLK_OUTPUT_CLK << IF_PCI_CLK_SHIFT)); - - sysRegWrite(AR5315_IF_CTL, reg); - - /* Reset the PCI bus by setting bits 5-4 in PCI_MCFG */ - reg = sysRegRead(AR5315_PCI_MISC_CONFIG); - reg &= ~(AR5315_PCIMISC_RST_MODE); - reg |= AR5315_PCIRST_LOW; - sysRegWrite(AR5315_PCI_MISC_CONFIG, reg); - - /* wait for 100 ms */ - udelay(100*1000); - - /* Bring the PCI out of reset */ - reg = sysRegRead(AR5315_PCI_MISC_CONFIG); - reg &= ~(AR5315_PCIMISC_RST_MODE); - reg |= (AR5315_PCIRST_HIGH | AR5315_PCICACHE_DIS | 0x8); - sysRegWrite(AR5315_PCI_MISC_CONFIG, reg); - - sysRegWrite(AR5315_PCI_UNCACHE_CFG, - 0x1E | /* 1GB uncached */ - (1 << 5) | /* Enable uncached */ - (0x2 << 30) /* Base: 0x80000000 */ - ); - (void)sysRegRead(AR5315_PCI_UNCACHE_CFG); /* flush */ - - udelay(500*1000); - - /* dirty hack - anyone with a datasheet that knows the memory map ? */ - ioport_resource.start = 0x10000000; - ioport_resource.end = 0xffffffff; - iomem_resource.start = 0x10000000; - iomem_resource.end = 0xffffffff; - - register_pci_controller(&ar531x_pci_controller); - - printk("done\n"); - return 0; -} - -arch_initcall(ar5315_pci_init); diff --git a/target/linux/atheros/files-2.6.26/arch/mips/atheros/board.c b/target/linux/atheros/files-2.6.26/arch/mips/atheros/board.c deleted file mode 100644 index 4a224933a..000000000 --- a/target/linux/atheros/files-2.6.26/arch/mips/atheros/board.c +++ /dev/null @@ -1,299 +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 - */ - -/* - * Platform devices for Atheros SoCs - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -char *board_config = NULL; -char *radio_config = NULL; -int broken_boarddata = 0; - -extern int early_serial_setup(struct uart_port *port); - -static inline bool -check_radio_magic(unsigned char *addr) -{ - addr += 0x7a; /* offset for flash magic */ - if ((addr[0] == 0x5a) && (addr[1] == 0xa5)) { - return 1; - } - return 0; -} - -static inline bool -check_board_data(unsigned char *flash_limit, unsigned char *addr, bool broken) -{ - /* config magic found */ - if ( *(int *)addr == 0x35333131) - return 1; - - if (!broken) - return 0; - - if (check_radio_magic(addr + 0xf8)) - radio_config = addr + 0xf8; - if ((addr < flash_limit + 0x10000) && - check_radio_magic(addr + 0x10000)) - radio_config = addr + 0x10000; - - if (radio_config) { - /* broken board data detected, use radio data to find the offset, - * user will fix this */ - broken_boarddata = 1; - return 1; - } - return 0; -} - -static u8 *find_board_config(char *flash_limit, bool broken) -{ - char *addr; - int found = 0; - - for (addr = (char *) (flash_limit - 0x1000); - addr >= (char *) (flash_limit - 0x30000); - addr -= 0x1000) { - - if (check_board_data(flash_limit, addr, broken)) { - found = 1; - break; - } - } - - if (!found) - addr = NULL; - - return addr; -} - -static u8 *find_radio_config(char *flash_limit, char *board_config) -{ - int dataFound; - char *radio_config; - - /* - * Now find the start of Radio Configuration data, using heuristics: - * Search forward from Board Configuration data by 0x1000 bytes - * at a time until we find non-0xffffffff. - */ - dataFound = 0; - for (radio_config = board_config + 0x1000; - (radio_config < flash_limit); - radio_config += 0x1000) { - if ((*(u32 *)radio_config != 0xffffffff) && - check_radio_magic(radio_config)) { - dataFound = 1; - break; - } - } - -#ifdef CONFIG_ATHEROS_AR5315 - if (!dataFound) { /* AR2316 relocates radio config to new location */ - for (radio_config = board_config + 0xf8; - (radio_config < flash_limit - 0x1000 + 0xf8); - radio_config += 0x1000) { - if ((*(u32 *)radio_config != 0xffffffff) && - check_radio_magic(radio_config)) { - dataFound = 1; - break; - } - } - } -#endif - - if (!dataFound) { - printk("Could not find Radio Configuration data\n"); - radio_config = 0; - } - - return (u8 *) radio_config; -} - -int __init ar531x_find_config(char *flash_limit) -{ - struct ar531x_boarddata *bd; - unsigned int rcfg_size; - char *bcfg, *rcfg; - - /* Copy the board and radio data to RAM, because with the new - * spiflash driver, accessing the mapped memory directly is no - * longer safe */ - - bcfg = find_board_config(flash_limit, false); - if (!bcfg) - bcfg = find_board_config(flash_limit, true); - if (!bcfg) { - printk("WARNING: No board configuration data found!\n"); - return -ENODEV; - } - - board_config = kzalloc(BOARD_CONFIG_BUFSZ, GFP_KERNEL); - memcpy(board_config, bcfg, 0x100); - if (broken_boarddata) { - printk("WARNING: broken board data detected\n"); - bd = (struct ar531x_boarddata *)board_config; - if (!memcmp(bd->enet0Mac, "\x00\x00\x00\x00\x00\x00", 6)) { - printk("Fixing up empty mac addresses\n"); - bd->enet0Mac[1] = 0x13; - bd->enet0Mac[2] = 0x37; - get_random_bytes(bd->enet0Mac + 3, 3); - bd->wlan0Mac[1] = 0x13; - bd->wlan0Mac[2] = 0x37; - get_random_bytes(bd->wlan0Mac + 3, 3); - } - } - - - /* Radio config starts 0x100 bytes after board config, regardless - * of what the physical layout on the flash chip looks like */ - - if (radio_config) - rcfg = radio_config; - else - rcfg = find_radio_config(flash_limit, bcfg); - - if (!rcfg) - return -ENODEV; - - radio_config = board_config + 0x100 + ((rcfg - bcfg) & 0xfff); - printk("Radio config found at offset 0x%x(0x%x)\n", rcfg - bcfg, radio_config - board_config); - rcfg_size = BOARD_CONFIG_BUFSZ - (radio_config - board_config); - memcpy(radio_config, rcfg, rcfg_size); - - return 0; -} - -void __init serial_setup(unsigned long mapbase, unsigned int uartclk) -{ - struct uart_port s; - - memset(&s, 0, sizeof(s)); - - s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; - s.iotype = UPIO_MEM; - s.irq = AR531X_MISC_IRQ_UART0; - s.regshift = 2; - s.mapbase = mapbase; - s.uartclk = uartclk; - s.membase = (void __iomem *)s.mapbase; - - early_serial_setup(&s); -} - -void __init plat_mem_setup(void) -{ - DO_AR5312(ar5312_plat_setup();) - DO_AR5315(ar5315_plat_setup();) - - /* Disable data watchpoints */ - write_c0_watchlo0(0); -} - -const char *get_system_type(void) -{ - switch (mips_machtype) { -#ifdef CONFIG_ATHEROS_AR5312 - case MACH_ATHEROS_AR5312: - return "Atheros AR5312"; - - case MACH_ATHEROS_AR2312: - return "Atheros AR2312"; - - case MACH_ATHEROS_AR2313: - return "Atheros AR2313"; -#endif -#ifdef CONFIG_ATHEROS_AR5315 - case MACH_ATHEROS_AR2315: - return "Atheros AR2315"; - case MACH_ATHEROS_AR2316: - return "Atheros AR2316"; - case MACH_ATHEROS_AR2317: - return "Atheros AR2317"; - case MACH_ATHEROS_AR2318: - return "Atheros AR2318"; -#endif - } - return "Atheros (unknown)"; -} - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) -void __init plat_timer_setup(struct irqaction *irq) -{ - unsigned int count; - - /* Usually irq is timer_irqaction (timer_interrupt) */ - setup_irq(AR531X_IRQ_CPU_CLOCK, irq); - - /* to generate the first CPU timer interrupt */ - count = read_c0_count(); - write_c0_compare(count + 1000); -} -#endif - -asmlinkage void plat_irq_dispatch(void) -{ - DO_AR5312(ar5312_irq_dispatch();) - DO_AR5315(ar5315_irq_dispatch();) -} - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) -void (*board_time_init)(void); -void __init plat_time_init(void) { - board_time_init(); -} -#endif - -void __init arch_init_irq(void) -{ - clear_c0_status(ST0_IM); - mips_cpu_irq_init(); - - /* Initialize interrupt controllers */ - 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-2.6.26/arch/mips/atheros/prom.c b/target/linux/atheros/files-2.6.26/arch/mips/atheros/prom.c deleted file mode 100644 index 82617cdd3..000000000 --- a/target/linux/atheros/files-2.6.26/arch/mips/atheros/prom.c +++ /dev/null @@ -1,45 +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 MontaVista Software Inc - * 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 - */ - -/* - * Prom setup file for ar531x - */ - -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -void __init prom_init(void) -{ - char **argv; - - mips_machtype = -1; - - DO_AR5312(ar5312_prom_init();) - DO_AR5315(ar5315_prom_init();) -#if 0 - argv = (char **)fw_arg1; - /* RedBoot desired command line is argv[1] */ - strcat(arcs_cmdline, argv[1]); -#endif -} - -void __init prom_free_prom_memory(void) -{ -} diff --git a/target/linux/atheros/files-2.6.26/arch/mips/atheros/reset.c b/target/linux/atheros/files-2.6.26/arch/mips/atheros/reset.c deleted file mode 100644 index eb525da20..000000000 --- a/target/linux/atheros/files-2.6.26/arch/mips/atheros/reset.c +++ /dev/null @@ -1,162 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define AR531X_RESET_GPIO_IRQ (AR531X_GPIO_IRQ(bcfg->resetConfigGpio)) - -struct event_t { - struct work_struct wq; - int set; - unsigned long jiffies; -}; - -static struct ar531x_boarddata *bcfg; -static struct timer_list rst_button_timer; - -extern struct sock *uevent_sock; -extern u64 uevent_next_seqnum(void); -static unsigned long seen; - -static inline void add_msg(struct sk_buff *skb, char *msg) -{ - char *scratch; - scratch = skb_put(skb, strlen(msg) + 1); - sprintf(scratch, msg); -} - -static void hotplug_button(struct work_struct *wq) -{ - struct sk_buff *skb; - struct event_t *event; - size_t len; - char *scratch, *s; - char buf[128]; - - event = container_of(wq, struct event_t, wq); - if (!uevent_sock) - goto done; - - /* allocate message with the maximum possible size */ - s = event->set ? "pressed" : "released"; - len = strlen(s) + 2; - skb = alloc_skb(len + 2048, GFP_KERNEL); - if (!skb) - goto done; - - /* add header */ - scratch = skb_put(skb, len); - sprintf(scratch, "%s@",s); - - /* copy keys to our continuous event payload buffer */ - add_msg(skb, "HOME=/"); - add_msg(skb, "PATH=/sbin:/bin:/usr/sbin:/usr/bin"); - add_msg(skb, "SUBSYSTEM=button"); - add_msg(skb, "BUTTON=reset"); - add_msg(skb, (event->set ? "ACTION=pressed" : "ACTION=released")); - sprintf(buf, "SEEN=%ld", (event->jiffies - seen)/HZ); - add_msg(skb, buf); - snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum()); - add_msg(skb, buf); - - NETLINK_CB(skb).dst_group = 1; - netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL); - -done: - kfree(event); -} - -static int no_release_workaround = 1; - -static void -reset_button_poll(unsigned long unused) -{ - struct event_t *event; - int gpio = ~0; - - if(!no_release_workaround) - return; - - DO_AR5315(gpio = sysRegRead(AR5315_GPIO_DI);) - gpio &= 1 << (AR531X_RESET_GPIO_IRQ - AR531X_GPIO_IRQ_BASE); - if(gpio) - { - rst_button_timer.expires = jiffies + (HZ / 4); - add_timer(&rst_button_timer); - } else { - event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC); - if (!event) - { - printk("Could not alloc hotplug event\n"); - return; - } - event->set = 0; - event->jiffies = jiffies; - INIT_WORK(&event->wq, (void *)(void *)hotplug_button); - schedule_work(&event->wq); - } -} - -static irqreturn_t button_handler(int irq, void *dev_id) -{ - static int pressed = 0; - struct event_t *event; - u32 gpio = ~0; - - event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC); - if (!event) - return IRQ_NONE; - - pressed = !pressed; - - DO_AR5315(gpio = sysRegRead(AR5315_GPIO_DI);) - gpio &= 1 << (irq - AR531X_GPIO_IRQ_BASE); - - event->set = gpio; - if(!event->set) - no_release_workaround = 0; - - event->jiffies = jiffies; - - INIT_WORK(&event->wq, (void *)(void *)hotplug_button); - schedule_work(&event->wq); - - seen = jiffies; - if(event->set && no_release_workaround) - mod_timer(&rst_button_timer, jiffies + (HZ / 4)); - - return IRQ_HANDLED; -} - -void ar531x_disable_reset_button(void) -{ - disable_irq(AR531X_RESET_GPIO_IRQ); -} - -EXPORT_SYMBOL(ar531x_disable_reset_button); - -int __init ar531x_init_reset(void) -{ - bcfg = (struct ar531x_boarddata *) board_config; - - seen = jiffies; - - init_timer(&rst_button_timer); - rst_button_timer.function = reset_button_poll; - rst_button_timer.expires = jiffies + HZ / 50; - add_timer(&rst_button_timer); - - request_irq(AR531X_RESET_GPIO_IRQ, &button_handler, IRQF_SAMPLE_RANDOM, "ar531x_reset", NULL); - - return 0; -} - - - -module_init(ar531x_init_reset); -- cgit v1.2.3