diff options
Diffstat (limited to 'target/linux/ar71xx/files')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-wap4410n.c | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-wap4410n.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-wap4410n.c deleted file mode 100644 index f2cf071..0000000 --- a/target/linux/ar71xx/files/arch/mips/ath79/mach-wap4410n.c +++ /dev/null @@ -1,285 +0,0 @@ -/* - * Cisco WAP4410N board support - * - * Copyright (C) 2014 Caleb James DeLisle <cjd@cjdns.fr> - * Copyright (C) 2015 Ryan A Young <rayoung@utexas.edu> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation, or (at your option) any later version. - */ -#include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/physmap.h> -#include <linux/nxp_74hc153.h> - -#include <asm/mach-ath79/ath79.h> - -#include "dev-eth.h" -#include "dev-gpio-buttons.h" -#include "dev-leds-gpio.h" -#include "dev-usb.h" -#include "dev-wmac.h" -#include "machtypes.h" - -/* -------------- begin flash device -------------- */ - -#define FLASH_BASE 0xbf000000 - -/* where the actual art data is within the art partition. */ -#define ART_DATA_OFFSET 0x1000 - -/* If changed, make sure to change image/Makefile too! */ -#define KERN_SIZE 0x190000 - -/* Flash layout: u-boot/include/upgrade.h in cisco's GPL dump */ -#define FLASH_SIZE (0x800000) -#define BOOT_SIZE (0x40000) -#define NVRAM_SIZE (0x10000) -#define ART_SIZE (0x10000) -/* - * Note that this is different from upgrade.h, in which ENV_SIZE is 0x10000. - * This is because the sercomm header is located in the upper end of the root - * section instead of the env section, and it must not be overwritten by rootfs. - */ -#define ENV_SIZE (0x20000) - -#define NODE_INFO_OFFSET (BOOT_SIZE - 0x90) -struct wap4410n_node_info { - /** Serial number written on back of device. */ - char serial_no[16]; - - /** Internal to Sercomm (?), France = { domain: 0x80, country: 0x00 } */ - uint8_t domain; - uint8_t country; - - /** written on the board, eg: 13 */ - uint8_t hw_ver; - - uint8_t zero0[5]; - - /** ASCII numeric digits */ - char wps_pin[8]; - - uint8_t zero1[16]; - - uint8_t mac_addr[6]; - - uint8_t zero2[3]; - - /** 31734572436f4d6d -> "1sErCoMm" does not seem to be checked. */ - char magic_1sErCoMm[8]; - - /** 00010000 (offset 0x41, completely unaligned) */ - uint8_t unknown0[4]; - - /** Used by upslug2 protocol */ - uint8_t hardware_id[32]; - - /** 0000240800008000000000030000200400000008 */ - uint8_t unknown1[20]; - - /** 734572436f4d6d -> "sErCoMm" */ - uint8_t magic_sErCoMm[7]; - - uint8_t zero3[16]; -}; - -#define UPGRADE_INFO_OFFSET 0x7dfff0 -struct wap4410n_upgrade_info { - /** Stock WAP4410: 2408 */ - uint16_t product_id; - - /** Always 8000 */ - uint16_t protocol; - - /** 2007 -> v2.0.7.x */ - uint16_t fw_version; - - /** 90f7 same value as NSLU2 */ - uint16_t unknown0; - - /** bootloader checks this and will "soft brick" if it's not correct. */ - uint8_t eRcOmM[6]; - - uint8_t pad[2]; -}; - -/* - * An instruction in the bootloader which checks that 0x7dfff8 == "eRcOmM" and - * bricks if it's not. - * If this instruction is overwritten with a zero, you get 64k of extra space. - * 2406 0006 1440 000a 8fbc 0020 <-- unpatched - * 2406 0006 0000 0000 8fbc 0020 <-- patched - */ -#define SERCOMM_CHECK_LAST_INSN 0x24060006 -#define SERCOMM_CHECK_INSN_OFFSET 0x19e08 -#define SERCOMM_CHECK_NEXT_INSN 0x8fbc0020 - - -/* Little bit of arithmatic on the flash layout. */ -#define NVRAM_OFFSET BOOT_SIZE -#define KERN_OFFSET (NVRAM_OFFSET + NVRAM_SIZE) -#define ROOT_OFFSET (KERN_OFFSET + KERN_SIZE) -#define ART_OFFSET (FLASH_SIZE - ART_SIZE) -#define ENV_OFFSET (ART_OFFSET - ENV_SIZE) -/* rootfs is whatever is left. */ -#define ROOT_SIZE (ENV_OFFSET - ROOT_OFFSET) - -#define PART(b, s, n, f) { .name = n, .offset = b, .size = s, .mask_flags = f } -static struct mtd_partition wap4410n_flash_partitions[] = { - PART(0x00000000, BOOT_SIZE, "u-boot", MTD_WRITEABLE), - PART(NVRAM_OFFSET, NVRAM_SIZE, "u-boot-env", MTD_WRITEABLE), - PART(KERN_OFFSET, KERN_SIZE, "kernel", 0), - PART(ROOT_OFFSET, ROOT_SIZE, "rootfs", 0), - PART(ENV_OFFSET, ENV_SIZE, "sercomm", MTD_WRITEABLE), - PART(ART_OFFSET, ART_SIZE, "art", MTD_WRITEABLE), - - /* Pseudo-partition over whole upgradable space, used by sysupgrade. */ - PART(KERN_OFFSET, KERN_SIZE + ROOT_SIZE, "firmware", 0) -}; -#undef PART - -static struct physmap_flash_data wap4410n_flash_data = { - .width = 2, - .parts = wap4410n_flash_partitions, - .nr_parts = ARRAY_SIZE(wap4410n_flash_partitions), -}; - -static struct resource wap4410n_flash_resources[] = { - [0] = { - .start = FLASH_BASE, - .end = FLASH_BASE + FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device wap4410n_flash_device = { - .name = "physmap-flash", - .id = -1, - .resource = wap4410n_flash_resources, - .num_resources = ARRAY_SIZE(wap4410n_flash_resources), - .dev = { .platform_data = &wap4410n_flash_data } -}; - - -static void __init wap4410n_flash_reg(void) -{ - uint32_t *insn = (uint32_t *) (FLASH_BASE + SERCOMM_CHECK_INSN_OFFSET); - int i; - if (SERCOMM_CHECK_LAST_INSN != insn[-1] || - SERCOMM_CHECK_NEXT_INSN != insn[1]) { - printk(KERN_INFO "Unrecognized bootloader, costs 64k storage"); - } else if (insn[0]) { - printk(KERN_INFO "eRcOmM check at %p in uboot, costs 64k storage", - (void *)insn); - } else { - printk(KERN_INFO "eRcOmM check at %p patched, gain 64k storage", - (void *)insn); - wap4410n_flash_partitions[3].size += - wap4410n_flash_partitions[4].size; - wap4410n_flash_data.nr_parts--; - for (i = 4; i < wap4410n_flash_data.nr_parts; i++) { - memcpy(&wap4410n_flash_partitions[i], - &wap4410n_flash_partitions[i + 1], - sizeof(struct mtd_partition)); - } - } - platform_device_register(&wap4410n_flash_device); -} - -/* -------------- end flash device -------------- */ - - -/* -------------------- GPIO -------------------- */ - -#define LED_WIRELESS 0 -#define LED_POWER 1 -#define KEYS_POLL_INTERVAL 20 /* msecs */ -#define KEYS_DEBOUNE_INTERVAL (3 * KEYS_POLL_INTERVAL) - -/* 2 lights are gpio, other 2 are hardwired. */ -static struct gpio_led wap4410n_leds_gpio[] __initdata = { - { - .name = "wrt4410n:green:power", - .gpio = LED_POWER, - .active_low = 1, - }, - { - .name = "wrt4410n:green:wireless", - .gpio = LED_WIRELESS, - .active_low = 1, - }, -}; - -static struct gpio_keys_button wap4410n_gpio_keys[] __initdata = { - { - .desc = "reset", - .type = EV_KEY, - .code = KEY_RESTART, - .debounce_interval = KEYS_DEBOUNE_INTERVAL, - .gpio = 21, - .active_low = 1, - } -}; - -static void __init wap4410n_gpio_reg(void) -{ - ath79_register_gpio_keys_polled( - -1, - KEYS_POLL_INTERVAL, - ARRAY_SIZE(wap4410n_gpio_keys), - wap4410n_gpio_keys - ); - ath79_register_leds_gpio( - -1, - ARRAY_SIZE(wap4410n_leds_gpio), - wap4410n_leds_gpio - ); -} - -/* -------------------- end GPIO -------------------- */ - -/** Never called, just for build time verification. */ -static void wap4410n_build_verify(void) -{ - BUILD_BUG_ON((KERN_SIZE / 0x10000 * 0x10000) != KERN_SIZE); - BUILD_BUG_ON(sizeof(struct wap4410n_upgrade_info) != 16); - BUILD_BUG_ON(sizeof(struct wap4410n_node_info) != 0x90); -} - -static void __init wap4410n_setup(void) -{ - struct wap4410n_node_info *ni = (struct wap4410n_node_info *) - (FLASH_BASE + NODE_INFO_OFFSET); - uint8_t *art = (uint8_t *) - (FLASH_BASE + FLASH_SIZE - ART_SIZE + ART_DATA_OFFSET); - - ath79_init_mac(ath79_eth0_data.mac_addr, ni->mac_addr, 0); - - ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; - /* TODO: SPEED_1000 causes a silent failure, testing needed. */ - ath79_eth0_data.speed = SPEED_100; - ath79_eth0_data.duplex = DUPLEX_FULL; - ath79_register_eth(0); - - ath79_register_usb(); - - wap4410n_flash_reg(); - - ath79_register_wmac(art, ni->mac_addr); - - wap4410n_gpio_reg(); - - /* silence compiler warning */ - if (0) - wap4410n_build_verify(); -} - -MIPS_MACHINE( - ATH79_MACH_WAP4410N, - "WAP4410N", - "Linksys WAP4410N", - wap4410n_setup -); |