mirror of https://github.com/hak5/openwrt.git
303 lines
6.6 KiB
C
303 lines
6.6 KiB
C
/*
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* MikroTik RouterBOARD SXT Lite support
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*
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* Copyright (C) 2012 Stijn Tintel <stijn@linux-ipv6.be>
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* Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (C) 2013 Vyacheslav Adamanov <adamanov@gmail.com>
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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.
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*/
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#define pr_fmt(fmt) "sxtlite: " fmt
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#include <linux/version.h>
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#include <linux/phy.h>
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#include <linux/delay.h>
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#include <linux/platform_device.h>
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#include <linux/ath9k_platform.h>
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#include <linux/mtd/mtd.h>
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#if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0)
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#include <linux/mtd/nand.h>
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#else
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#include <linux/mtd/rawnand.h>
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#endif
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#include <linux/mtd/partitions.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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#include <linux/rle.h>
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#include <linux/routerboot.h>
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#include <linux/gpio.h>
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#include <linux/version.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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#include "common.h"
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#include "dev-ap9x-pci.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-eth.h"
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#include "dev-m25p80.h"
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#include "dev-nfc.h"
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#include "dev-wmac.h"
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#include "dev-usb.h"
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#include "machtypes.h"
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#include "routerboot.h"
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#include <linux/ar8216_platform.h>
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#define SXTLITE_GPIO_NAND_NCE 14
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#define SXTLITE_GPIO_LED_USER 3
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#define SXTLITE_GPIO_LED_1 13
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#define SXTLITE_GPIO_LED_2 12
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#define SXTLITE_GPIO_LED_3 4
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#define SXTLITE_GPIO_LED_4 21
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#define SXTLITE_GPIO_LED_5 18
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#define SXTLITE_GPIO_LED_POWER 11
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#define SXTLITE_GPIO_BUZZER 19
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#define SXTLITE_GPIO_BTN_RESET 15
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#define SXTLITE_KEYS_POLL_INTERVAL 20
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#define SXTLITE_KEYS_DEBOUNCE_INTERVAL (3 * SXTLITE_KEYS_POLL_INTERVAL)
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static struct mtd_partition rbsxtlite_nand_partitions[] = {
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{
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.name = "booter",
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.offset = 0,
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.size = (256 * 1024),
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "kernel",
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.offset = (256 * 1024),
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.size = (4 * 1024 * 1024) - (256 * 1024),
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},
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{
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.name = "ubi",
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.offset = MTDPART_OFS_NXTBLK,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct gpio_led rbsxtlite_leds_gpio[] __initdata = {
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{
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.name = "rb:green:user",
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.gpio = SXTLITE_GPIO_LED_USER,
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.active_low = 1,
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},
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{
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.name = "rb:green:led1",
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.gpio = SXTLITE_GPIO_LED_1,
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.active_low = 1,
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},
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{
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.name = "rb:green:led2",
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.gpio = SXTLITE_GPIO_LED_2,
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.active_low = 1,
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},
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{
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.name = "rb:green:led3",
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.gpio = SXTLITE_GPIO_LED_3,
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.active_low = 1,
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},
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{
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.name = "rb:green:led4",
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.gpio = SXTLITE_GPIO_LED_4,
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.active_low = 1,
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},
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{
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.name = "rb:green:led5",
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.gpio = SXTLITE_GPIO_LED_5,
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.active_low = 1,
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},
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{
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.name = "rb:green:power",
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.gpio = SXTLITE_GPIO_LED_POWER,
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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},
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};
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static struct gpio_keys_button rbsxtlite_gpio_keys[] __initdata = {
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{
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.desc = "Reset button",
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.type = EV_KEY,
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.code = KEY_RESTART,
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.debounce_interval = SXTLITE_KEYS_DEBOUNCE_INTERVAL,
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.gpio = SXTLITE_GPIO_BTN_RESET,
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.active_low = 0,
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},
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};
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static int __init rbsxtlite_rbinfo_init(void)
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{
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const struct rb_info *info;
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info = rb_init_info((void *)(KSEG1ADDR(AR71XX_SPI_BASE)), 0x10000);
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if (!info)
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return -EINVAL;
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return 0;
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}
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void __init rbsxtlite_wlan_init(void)
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{
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char *art_buf;
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u8 wlan_mac[ETH_ALEN];
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art_buf = rb_get_wlan_data();
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if (art_buf == NULL)
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return;
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ath79_init_mac(wlan_mac, ath79_mac_base, 1);
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ath79_register_wmac(art_buf + 0x1000, wlan_mac);
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kfree(art_buf);
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}
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static void rbsxtlite_nand_select_chip(int chip_no)
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{
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switch (chip_no) {
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case 0:
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gpio_set_value(SXTLITE_GPIO_NAND_NCE, 0);
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break;
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default:
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gpio_set_value(SXTLITE_GPIO_NAND_NCE, 1);
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break;
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}
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ndelay(500);
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}
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#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
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static struct nand_ecclayout rbsxtlite_nand_ecclayout = {
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.eccbytes = 6,
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.eccpos = { 8, 9, 10, 13, 14, 15 },
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.oobavail = 9,
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.oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
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};
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#else
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static int rbsxtlite_ooblayout_ecc(struct mtd_info *mtd, int section,
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struct mtd_oob_region *oobregion)
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{
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switch (section) {
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case 0:
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oobregion->offset = 8;
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oobregion->length = 3;
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return 0;
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case 1:
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oobregion->offset = 13;
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oobregion->length = 3;
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return 0;
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default:
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return -ERANGE;
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}
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}
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static int rbsxtlite_ooblayout_free(struct mtd_info *mtd, int section,
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struct mtd_oob_region *oobregion)
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{
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switch (section) {
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case 0:
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oobregion->offset = 0;
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oobregion->length = 4;
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return 0;
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case 1:
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oobregion->offset = 4;
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oobregion->length = 1;
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return 0;
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case 2:
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oobregion->offset = 6;
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oobregion->length = 2;
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return 0;
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case 3:
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oobregion->offset = 11;
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oobregion->length = 2;
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return 0;
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default:
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return -ERANGE;
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}
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}
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static const struct mtd_ooblayout_ops rbsxtlite_nand_ecclayout_ops = {
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.ecc = rbsxtlite_ooblayout_ecc,
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.free = rbsxtlite_ooblayout_free,
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};
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#endif /* < 4.6 */
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static int rbsxtlite_nand_scan_fixup(struct mtd_info *mtd)
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{
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#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
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struct nand_chip *chip = mtd->priv;
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#endif
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if (mtd->writesize == 512) {
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/*
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* Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
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* will not be able to find the kernel that we load.
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*/
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#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
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chip->ecc.layout = &rbsxtlite_nand_ecclayout;
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#else
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mtd_set_ooblayout(mtd, &rbsxtlite_nand_ecclayout_ops);
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#endif
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}
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return 0;
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}
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void __init rbsxtlite_gpio_init(void)
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{
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gpio_request_one(SXTLITE_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
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}
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void __init rbsxtlite_nand_init(void)
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{
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ath79_nfc_set_scan_fixup(rbsxtlite_nand_scan_fixup);
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ath79_nfc_set_parts(rbsxtlite_nand_partitions,
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ARRAY_SIZE(rbsxtlite_nand_partitions));
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ath79_nfc_set_select_chip(rbsxtlite_nand_select_chip);
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ath79_nfc_set_swap_dma(true);
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ath79_register_nfc();
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}
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static void __init rbsxtlite_setup(void)
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{
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if(rbsxtlite_rbinfo_init())
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return;
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rbsxtlite_nand_init();
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rbsxtlite_wlan_init();
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ath79_register_leds_gpio(-1, ARRAY_SIZE(rbsxtlite_leds_gpio),
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rbsxtlite_leds_gpio);
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ath79_register_gpio_keys_polled(-1, SXTLITE_KEYS_POLL_INTERVAL,
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ARRAY_SIZE(rbsxtlite_gpio_keys),
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rbsxtlite_gpio_keys);
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ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE);
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ath79_register_mdio(1, 0x0);
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/* GMAC0 is left unused */
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/* GMAC1 is connected to MAC0 on the internal switch */
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/* The ethernet port connects to PHY P0, which connects to MAC1
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on the internal switch */
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ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 0);
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ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
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ath79_register_eth(1);
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}
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MIPS_MACHINE(ATH79_MACH_RB_SXTLITE2ND, "sxt2n", "MikroTik RouterBOARD SXT Lite2",
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rbsxtlite_setup);
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MIPS_MACHINE(ATH79_MACH_RB_SXTLITE5ND, "sxt5n", "MikroTik RouterBOARD SXT Lite5",
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rbsxtlite_setup);
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