--- /dev/null
+/*
+ * MikroTik RouterBOARD SXT Lite support
+ *
+ * Copyright (C) 2012 Stijn Tintel <stijn@linux-ipv6.be>
+ * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2013 Vyacheslav Adamanov <adamanov@gmail.com>
+ *
+ * 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.
+ */
+
+#define pr_fmt(fmt) "sxtlite: " fmt
+
+#include <linux/phy.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/ath9k_platform.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+#include <linux/rle.h>
+#include <linux/routerboot.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+#include "common.h"
+#include "dev-ap9x-pci.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-eth.h"
+#include "dev-m25p80.h"
+#include "dev-nfc.h"
+#include "dev-wmac.h"
+#include "dev-usb.h"
+#include "machtypes.h"
+#include "routerboot.h"
+#include <linux/ar8216_platform.h>
+
+#define SXTLITE_GPIO_NAND_NCE 14
+#define SXTLITE_GPIO_LED_USER 3
+#define SXTLITE_GPIO_LED_1 13
+#define SXTLITE_GPIO_LED_2 12
+#define SXTLITE_GPIO_LED_3 4
+#define SXTLITE_GPIO_LED_4 21
+#define SXTLITE_GPIO_LED_5 18
+#define SXTLITE_GPIO_LED_POWER 11
+
+#define SXTLITE_GPIO_BUZZER 19
+
+#define SXTLITE_GPIO_BTN_RESET 15
+
+#define SXTLITE_KEYS_POLL_INTERVAL 20
+#define SXTLITE_KEYS_DEBOUNCE_INTERVAL (3 * SXTLITE_KEYS_POLL_INTERVAL)
+
+static struct mtd_partition rbsxtlite_nand_partitions[] = {
+ {
+ .name = "booter",
+ .offset = 0,
+ .size = (256 * 1024),
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "kernel",
+ .offset = (256 * 1024),
+ .size = (4 * 1024 * 1024) - (256 * 1024),
+ },
+ {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct gpio_led rbsxtlite_leds_gpio[] __initdata = {
+ {
+ .name = "rb:green:user",
+ .gpio = SXTLITE_GPIO_LED_USER,
+ .active_low = 1,
+ },
+ {
+ .name = "rb:green:led1",
+ .gpio = SXTLITE_GPIO_LED_1,
+ .active_low = 1,
+ },
+ {
+ .name = "rb:green:led2",
+ .gpio = SXTLITE_GPIO_LED_2,
+ .active_low = 1,
+ },
+ {
+ .name = "rb:green:led3",
+ .gpio = SXTLITE_GPIO_LED_3,
+ .active_low = 1,
+ },
+ {
+ .name = "rb:green:led4",
+ .gpio = SXTLITE_GPIO_LED_4,
+ .active_low = 1,
+ },
+ {
+ .name = "rb:green:led5",
+ .gpio = SXTLITE_GPIO_LED_5,
+ .active_low = 1,
+ },
+ {
+ .name = "rb:green:power",
+ .gpio = SXTLITE_GPIO_LED_POWER,
+ },
+};
+
+static struct gpio_keys_button rbsxtlite_gpio_keys[] __initdata = {
+ {
+ .desc = "Reset button",
+ .type = EV_KEY,
+ .code = KEY_RESTART,
+ .debounce_interval = SXTLITE_KEYS_DEBOUNCE_INTERVAL,
+ .gpio = SXTLITE_GPIO_BTN_RESET,
+ .active_low = 0,
+ },
+};
+
+static int __init rbsxtlite_rbinfo_init(void)
+{
+ const struct rb_info *info;
+
+ info = rb_init_info((void *)(KSEG1ADDR(AR71XX_SPI_BASE)), 0x10000);
+ if (!info)
+ return -EINVAL;
+ return 0;
+
+}
+
+void __init rbsxtlite_wlan_init(void)
+{
+ char *art_buf;
+ u8 wlan_mac[ETH_ALEN];
+
+ art_buf = rb_get_wlan_data();
+ if (art_buf == NULL)
+ return;
+
+ ath79_init_mac(wlan_mac, ath79_mac_base, 1);
+ ath79_register_wmac(art_buf + 0x1000, wlan_mac);
+
+ kfree(art_buf);
+}
+
+static void rbsxtlite_nand_select_chip(int chip_no)
+{
+ switch (chip_no) {
+ case 0:
+ gpio_set_value(SXTLITE_GPIO_NAND_NCE, 0);
+ break;
+ default:
+ gpio_set_value(SXTLITE_GPIO_NAND_NCE, 1);
+ break;
+ }
+ ndelay(500);
+}
+
+static struct nand_ecclayout rbsxtlite_nand_ecclayout = {
+ .eccbytes = 6,
+ .eccpos = { 8, 9, 10, 13, 14, 15 },
+ .oobavail = 9,
+ .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
+};
+
+static int rbsxtlite_nand_scan_fixup(struct mtd_info *mtd)
+{
+ struct nand_chip *chip = mtd->priv;
+
+ if (mtd->writesize == 512) {
+ /*
+ * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
+ * will not be able to find the kernel that we load.
+ */
+ chip->ecc.layout = &rbsxtlite_nand_ecclayout;
+ }
+
+ return 0;
+}
+
+void __init rbsxtlite_gpio_init(void)
+{
+ gpio_request_one(SXTLITE_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
+}
+
+void __init rbsxtlite_nand_init(void)
+{
+ ath79_nfc_set_scan_fixup(rbsxtlite_nand_scan_fixup);
+ ath79_nfc_set_parts(rbsxtlite_nand_partitions,
+ ARRAY_SIZE(rbsxtlite_nand_partitions));
+ ath79_nfc_set_select_chip(rbsxtlite_nand_select_chip);
+ ath79_nfc_set_swap_dma(true);
+ ath79_register_nfc();
+}
+
+
+static void __init rbsxtlite_setup(void)
+{
+ if(rbsxtlite_rbinfo_init())
+ return;
+ rbsxtlite_nand_init();
+ rbsxtlite_wlan_init();
+
+ ath79_register_leds_gpio(-1, ARRAY_SIZE(rbsxtlite_leds_gpio),
+ rbsxtlite_leds_gpio);
+ ath79_register_gpio_keys_polled(-1, SXTLITE_KEYS_POLL_INTERVAL,
+ ARRAY_SIZE(rbsxtlite_gpio_keys),
+ rbsxtlite_gpio_keys);
+
+ ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE);
+
+ ath79_register_mdio(1, 0x0);
+
+ /* GMAC0 is left unused */
+
+ /* GMAC1 is connected to MAC0 on the internal switch */
+ /* The ethernet port connects to PHY P0, which connects to MAC1
+ on the internal switch */
+ ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 0);
+ ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
+ ath79_register_eth(1);
+
+
+}
+
+
+MIPS_MACHINE(ATH79_MACH_RB_SXTLITE2ND, "sxt2n", "Mikrotik RouterBOARD SXT Lite2",
+ rbsxtlite_setup);
+
+MIPS_MACHINE(ATH79_MACH_RB_SXTLITE5ND, "sxt5n", "Mikrotik RouterBOARD SXT Lite5",
+ rbsxtlite_setup);
+
--- /dev/null
+--- a/arch/mips/ath79/Kconfig 2014-05-21 20:25:24.801106234 +0000
++++ b/arch/mips/ath79/Kconfig 2014-05-21 20:28:20.489109814 +0000
+@@ -462,6 +462,14 @@ config ATH79_MACH_RB2011
+ select ATH79_ROUTERBOOT
+ select RLE_DECOMPRESS
+
++config ATH79_MACH_RBSXTLITE
++ bool "MikroTik RouterBOARD SXT Lite"
++ select SOC_AR934x
++ select ATH79_DEV_ETH
++ select ATH79_DEV_NFC
++ select ATH79_DEV_WMAC
++ select ATH79_ROUTERBOOT
++
+ config ATH79_MACH_WNDAP360
+ bool "NETGEAR WNDAP360 board support"
+ select SOC_AR71XX
+--- a/arch/mips/ath79/machtypes.h 2014-05-21 20:25:24.801106234 +0000
++++ b/arch/mips/ath79/machtypes.h 2014-05-21 20:30:04.829111865 +0000
+@@ -93,6 +93,8 @@ enum ath79_mach_type {
+ ATH79_MACH_RB_2011G, /* Mikrotik RouterBOARD 2011UAS-2HnD */
+ ATH79_MACH_RB_2011L, /* Mikrotik RouterBOARD 2011L */
+ ATH79_MACH_RB_2011US, /* Mikrotik RouterBOARD 2011UAS */
++ ATH79_MACH_RB_SXTLITE2ND, /* Mikrotik RouterBOARD SXT Lite 2nD */
++ ATH79_MACH_RB_SXTLITE5ND, /* Mikrotik RouterBOARD SXT Lite 5nD */
+ ATH79_MACH_RW2458N, /* Redwave RW2458N */
+ ATH79_MACH_TEW_632BRP, /* TRENDnet TEW-632BRP */
+ ATH79_MACH_TEW_673GRU, /* TRENDnet TEW-673GRU */
+--- a/arch/mips/ath79/Makefile 2014-05-21 20:25:24.801106234 +0000
++++ b/arch/mips/ath79/Makefile 2014-05-21 20:31:37.169113830 +0000
+@@ -85,6 +85,7 @@ obj-$(CONFIG_ATH79_MACH_RB750) += mach-
+ obj-$(CONFIG_ATH79_MACH_RB91X) += mach-rb91x.o
+ obj-$(CONFIG_ATH79_MACH_RB95X) += mach-rb95x.o
+ obj-$(CONFIG_ATH79_MACH_RB2011) += mach-rb2011.o
++obj-$(CONFIG_ATH79_MACH_RBSXTLITE) += mach-rbsxtlite.o
+ obj-$(CONFIG_ATH79_MACH_RW2458N) += mach-rw2458n.o
+ obj-$(CONFIG_ATH79_MACH_TEW_632BRP) += mach-tew-632brp.o
+ obj-$(CONFIG_ATH79_MACH_TEW_673GRU) += mach-tew-673gru.o