Revert "ar71xx: Add support for Cisco-Linksys WAP4410N" (r46250)
The commit is incomplete, it does not even build the mach-* file This reverts commit 6e6adcf7a197b1802cb728ddcccf05f890ca0574 SVN-Revision: 46425v19.07.3_mercusys_ac12_duma
Felix Fietkau
9 years ago
parent
0fc6755f66
commit
d26e8d9439
@ -1,285 +0,0 @@
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/*
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* Cisco WAP4410N board support
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*
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* Copyright (C) 2014 Caleb James DeLisle <cjd@cjdns.fr>
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* Copyright (C) 2015 Ryan A Young <rayoung@utexas.edu>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation, or (at your option) any later version.
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*/
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/nxp_74hc153.h>
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#include <asm/mach-ath79/ath79.h>
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#include "dev-eth.h"
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#include "dev-gpio-buttons.h"
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#include "dev-leds-gpio.h"
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#include "dev-usb.h"
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#include "dev-wmac.h"
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#include "machtypes.h"
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/* -------------- begin flash device -------------- */
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#define FLASH_BASE 0xbf000000
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/* where the actual art data is within the art partition. */
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#define ART_DATA_OFFSET 0x1000
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/* If changed, make sure to change image/Makefile too! */
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#define KERN_SIZE 0x190000
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/* Flash layout: u-boot/include/upgrade.h in cisco's GPL dump */
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#define FLASH_SIZE (0x800000)
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#define BOOT_SIZE (0x40000)
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#define NVRAM_SIZE (0x10000)
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#define ART_SIZE (0x10000)
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/*
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* Note that this is different from upgrade.h, in which ENV_SIZE is 0x10000.
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* This is because the sercomm header is located in the upper end of the root
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* section instead of the env section, and it must not be overwritten by rootfs.
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*/
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#define ENV_SIZE (0x20000)
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#define NODE_INFO_OFFSET (BOOT_SIZE - 0x90)
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struct wap4410n_node_info {
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/** Serial number written on back of device. */
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char serial_no[16];
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/** Internal to Sercomm (?), France = { domain: 0x80, country: 0x00 } */
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uint8_t domain;
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uint8_t country;
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/** written on the board, eg: 13 */
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uint8_t hw_ver;
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uint8_t zero0[5];
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/** ASCII numeric digits */
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char wps_pin[8];
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uint8_t zero1[16];
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uint8_t mac_addr[6];
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uint8_t zero2[3];
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/** 31734572436f4d6d -> "1sErCoMm" does not seem to be checked. */
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char magic_1sErCoMm[8];
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/** 00010000 (offset 0x41, completely unaligned) */
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uint8_t unknown0[4];
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/** Used by upslug2 protocol */
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uint8_t hardware_id[32];
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/** 0000240800008000000000030000200400000008 */
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uint8_t unknown1[20];
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/** 734572436f4d6d -> "sErCoMm" */
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uint8_t magic_sErCoMm[7];
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uint8_t zero3[16];
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};
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#define UPGRADE_INFO_OFFSET 0x7dfff0
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struct wap4410n_upgrade_info {
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/** Stock WAP4410: 2408 */
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uint16_t product_id;
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/** Always 8000 */
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uint16_t protocol;
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/** 2007 -> v2.0.7.x */
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uint16_t fw_version;
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/** 90f7 same value as NSLU2 */
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uint16_t unknown0;
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/** bootloader checks this and will "soft brick" if it's not correct. */
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uint8_t eRcOmM[6];
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uint8_t pad[2];
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};
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/*
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* An instruction in the bootloader which checks that 0x7dfff8 == "eRcOmM" and
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* bricks if it's not.
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* If this instruction is overwritten with a zero, you get 64k of extra space.
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* 2406 0006 1440 000a 8fbc 0020 <-- unpatched
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* 2406 0006 0000 0000 8fbc 0020 <-- patched
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*/
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#define SERCOMM_CHECK_LAST_INSN 0x24060006
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#define SERCOMM_CHECK_INSN_OFFSET 0x19e08
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#define SERCOMM_CHECK_NEXT_INSN 0x8fbc0020
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/* Little bit of arithmatic on the flash layout. */
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#define NVRAM_OFFSET BOOT_SIZE
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#define KERN_OFFSET (NVRAM_OFFSET + NVRAM_SIZE)
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#define ROOT_OFFSET (KERN_OFFSET + KERN_SIZE)
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#define ART_OFFSET (FLASH_SIZE - ART_SIZE)
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#define ENV_OFFSET (ART_OFFSET - ENV_SIZE)
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/* rootfs is whatever is left. */
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#define ROOT_SIZE (ENV_OFFSET - ROOT_OFFSET)
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#define PART(b, s, n, f) { .name = n, .offset = b, .size = s, .mask_flags = f }
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static struct mtd_partition wap4410n_flash_partitions[] = {
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PART(0x00000000, BOOT_SIZE, "u-boot", MTD_WRITEABLE),
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PART(NVRAM_OFFSET, NVRAM_SIZE, "u-boot-env", MTD_WRITEABLE),
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PART(KERN_OFFSET, KERN_SIZE, "kernel", 0),
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PART(ROOT_OFFSET, ROOT_SIZE, "rootfs", 0),
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PART(ENV_OFFSET, ENV_SIZE, "sercomm", MTD_WRITEABLE),
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PART(ART_OFFSET, ART_SIZE, "art", MTD_WRITEABLE),
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/* Pseudo-partition over whole upgradable space, used by sysupgrade. */
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PART(KERN_OFFSET, KERN_SIZE + ROOT_SIZE, "firmware", 0)
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};
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#undef PART
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static struct physmap_flash_data wap4410n_flash_data = {
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.width = 2,
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.parts = wap4410n_flash_partitions,
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.nr_parts = ARRAY_SIZE(wap4410n_flash_partitions),
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};
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static struct resource wap4410n_flash_resources[] = {
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[0] = {
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.start = FLASH_BASE,
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.end = FLASH_BASE + FLASH_SIZE - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device wap4410n_flash_device = {
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.name = "physmap-flash",
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.id = -1,
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.resource = wap4410n_flash_resources,
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.num_resources = ARRAY_SIZE(wap4410n_flash_resources),
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.dev = { .platform_data = &wap4410n_flash_data }
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};
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static void __init wap4410n_flash_reg(void)
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{
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uint32_t *insn = (uint32_t *) (FLASH_BASE + SERCOMM_CHECK_INSN_OFFSET);
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int i;
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if (SERCOMM_CHECK_LAST_INSN != insn[-1] ||
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SERCOMM_CHECK_NEXT_INSN != insn[1]) {
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printk(KERN_INFO "Unrecognized bootloader, costs 64k storage");
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} else if (insn[0]) {
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printk(KERN_INFO "eRcOmM check at %p in uboot, costs 64k storage",
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(void *)insn);
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} else {
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printk(KERN_INFO "eRcOmM check at %p patched, gain 64k storage",
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(void *)insn);
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wap4410n_flash_partitions[3].size +=
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wap4410n_flash_partitions[4].size;
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wap4410n_flash_data.nr_parts--;
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for (i = 4; i < wap4410n_flash_data.nr_parts; i++) {
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memcpy(&wap4410n_flash_partitions[i],
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&wap4410n_flash_partitions[i + 1],
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sizeof(struct mtd_partition));
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}
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}
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platform_device_register(&wap4410n_flash_device);
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}
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/* -------------- end flash device -------------- */
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/* -------------------- GPIO -------------------- */
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#define LED_WIRELESS 0
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#define LED_POWER 1
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#define KEYS_POLL_INTERVAL 20 /* msecs */
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#define KEYS_DEBOUNE_INTERVAL (3 * KEYS_POLL_INTERVAL)
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/* 2 lights are gpio, other 2 are hardwired. */
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static struct gpio_led wap4410n_leds_gpio[] __initdata = {
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{
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.name = "wrt4410n:green:power",
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.gpio = LED_POWER,
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.active_low = 1,
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},
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{
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.name = "wrt4410n:green:wireless",
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.gpio = LED_WIRELESS,
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.active_low = 1,
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},
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};
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static struct gpio_keys_button wap4410n_gpio_keys[] __initdata = {
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{
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.desc = "reset",
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.type = EV_KEY,
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.code = KEY_RESTART,
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.debounce_interval = KEYS_DEBOUNE_INTERVAL,
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.gpio = 21,
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.active_low = 1,
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}
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};
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static void __init wap4410n_gpio_reg(void)
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{
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ath79_register_gpio_keys_polled(
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-1,
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KEYS_POLL_INTERVAL,
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ARRAY_SIZE(wap4410n_gpio_keys),
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wap4410n_gpio_keys
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);
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ath79_register_leds_gpio(
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-1,
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ARRAY_SIZE(wap4410n_leds_gpio),
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wap4410n_leds_gpio
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);
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}
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/* -------------------- end GPIO -------------------- */
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/** Never called, just for build time verification. */
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static void wap4410n_build_verify(void)
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{
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BUILD_BUG_ON((KERN_SIZE / 0x10000 * 0x10000) != KERN_SIZE);
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BUILD_BUG_ON(sizeof(struct wap4410n_upgrade_info) != 16);
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BUILD_BUG_ON(sizeof(struct wap4410n_node_info) != 0x90);
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}
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static void __init wap4410n_setup(void)
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{
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struct wap4410n_node_info *ni = (struct wap4410n_node_info *)
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(FLASH_BASE + NODE_INFO_OFFSET);
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uint8_t *art = (uint8_t *)
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(FLASH_BASE + FLASH_SIZE - ART_SIZE + ART_DATA_OFFSET);
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ath79_init_mac(ath79_eth0_data.mac_addr, ni->mac_addr, 0);
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ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
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/* TODO: SPEED_1000 causes a silent failure, testing needed. */
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ath79_eth0_data.speed = SPEED_100;
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ath79_eth0_data.duplex = DUPLEX_FULL;
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ath79_register_eth(0);
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ath79_register_usb();
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wap4410n_flash_reg();
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ath79_register_wmac(art, ni->mac_addr);
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wap4410n_gpio_reg();
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/* silence compiler warning */
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if (0)
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wap4410n_build_verify();
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}
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MIPS_MACHINE(
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ATH79_MACH_WAP4410N,
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"WAP4410N",
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"Linksys WAP4410N",
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wap4410n_setup
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);
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