diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/mach-rbsxtlite.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-rbsxtlite.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rbsxtlite.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rbsxtlite.c new file mode 100644 index 0000000..94e0b44 --- /dev/null +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rbsxtlite.c @@ -0,0 +1,238 @@ +/* + * 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); + |