diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/mach-rb95x.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-rb95x.c | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb95x.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb95x.c new file mode 100644 index 0000000..c2261ab --- /dev/null +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb95x.c @@ -0,0 +1,258 @@ +/* + * MikroTik RouterBOARD 95X support + * + * Copyright (C) 2012 Stijn Tintel <stijn@linux-ipv6.be> + * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2013 Kamil Trzcinski <ayufan@ayufan.eu> + * + * 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) "rb95x: " fmt + +#include <linux/phy.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/ath9k_platform.h> +#include <linux/ar8216_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/routerboot.h> +#include <linux/gpio.h> + +#include <asm/mach-ath79/ath79.h> +#include <asm/mach-ath79/ar71xx_regs.h> + +#include "common.h" +#include "dev-eth.h" +#include "dev-m25p80.h" +#include "dev-nfc.h" +#include "dev-usb.h" +#include "dev-wmac.h" +#include "machtypes.h" +#include "routerboot.h" +#include "dev-leds-gpio.h" + +#define RB95X_GPIO_NAND_NCE 14 + +static struct mtd_partition rb95x_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 rb951ui_leds_gpio[] __initdata = { + { + .name = "rb:green:wlan", + .gpio = 11, + .active_low = 1, + }, { + .name = "rb:green:act", + .gpio = 3, + .active_low = 1, + }, { + .name = "rb:green:port1", + .gpio = 13, + .active_low = 1, + }, { + .name = "rb:green:port2", + .gpio = 12, + .active_low = 1, + }, { + .name = "rb:green:port3", + .gpio = 4, + .active_low = 1, + }, { + .name = "rb:green:port4", + .gpio = 21, + .active_low = 1, + }, { + .name = "rb:green:port5", + .gpio = 16, + .active_low = 1, + } +}; + +static struct ar8327_pad_cfg rb95x_ar8327_pad0_cfg = { + .mode = AR8327_PAD_MAC_RGMII, + .txclk_delay_en = true, + .rxclk_delay_en = true, + .txclk_delay_sel = AR8327_CLK_DELAY_SEL1, + .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2, +}; + +static struct ar8327_platform_data rb95x_ar8327_data = { + .pad0_cfg = &rb95x_ar8327_pad0_cfg, + .port0_cfg = { + .force_link = 1, + .speed = AR8327_PORT_SPEED_1000, + .duplex = 1, + .txpause = 1, + .rxpause = 1, + } +}; + +static struct mdio_board_info rb95x_mdio0_info[] = { + { + .bus_id = "ag71xx-mdio.0", + .phy_addr = 0, + .platform_data = &rb95x_ar8327_data, + }, +}; + +void __init rb95x_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, 11); + ath79_register_wmac(art_buf + 0x1000, wlan_mac); + + kfree(art_buf); +} + +static void rb95x_nand_select_chip(int chip_no) +{ + switch (chip_no) { + case 0: + gpio_set_value(RB95X_GPIO_NAND_NCE, 0); + break; + default: + gpio_set_value(RB95X_GPIO_NAND_NCE, 1); + break; + } + ndelay(500); +} + +static struct nand_ecclayout rb95x_nand_ecclayout = { + .eccbytes = 6, + .eccpos = { 8, 9, 10, 13, 14, 15 }, + .oobavail = 9, + .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } } +}; + +static int rb95x_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 = &rb95x_nand_ecclayout; + } + + return 0; +} + +void __init rb95x_nand_init(void) +{ + gpio_request_one(RB95X_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE"); + + ath79_nfc_set_scan_fixup(rb95x_nand_scan_fixup); + ath79_nfc_set_parts(rb95x_nand_partitions, + ARRAY_SIZE(rb95x_nand_partitions)); + ath79_nfc_set_select_chip(rb95x_nand_select_chip); + ath79_nfc_set_swap_dma(true); + ath79_register_nfc(); +} + +static int __init rb95x_setup(void) +{ + const struct rb_info *info; + + info = rb_init_info((void *)(KSEG1ADDR(AR71XX_SPI_BASE)), 0x10000); + if (!info) + return -EINVAL; + + rb95x_nand_init(); + + return 0; +} + +static void __init rb951g_setup(void) +{ + if (rb95x_setup()) + return; + + ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 | + AR934X_ETH_CFG_SW_ONLY_MODE); + + ath79_register_mdio(0, 0x0); + + mdiobus_register_board_info(rb95x_mdio0_info, + ARRAY_SIZE(rb95x_mdio0_info)); + + ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0); + ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; + ath79_eth0_data.phy_mask = BIT(0); + + ath79_register_eth(0); + + rb95x_wlan_init(); + ath79_register_usb(); +} + +MIPS_MACHINE(ATH79_MACH_RB_951G, "951G", "MikroTik RouterBOARD 951G-2HnD", + rb951g_setup); + +static void __init rb951ui_setup(void) +{ + if (rb95x_setup()) + return; + + ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE); + + ath79_register_mdio(1, 0x0); + + ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0); + ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 1); + + ath79_switch_data.phy4_mii_en = 1; + ath79_switch_data.phy_poll_mask = BIT(4); + ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII; + ath79_eth0_data.phy_mask = BIT(4); + ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev; + ath79_register_eth(0); + + ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII; + ath79_register_eth(1); + + gpio_request_one(20, GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED, + "USB power"); + + gpio_request_one(2, GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED, + "POE power"); + + rb95x_wlan_init(); + ath79_register_usb(); + + ath79_register_leds_gpio(-1, ARRAY_SIZE(rb951ui_leds_gpio), + rb951ui_leds_gpio); +} + +MIPS_MACHINE(ATH79_MACH_RB_951U, "951HnD", "MikroTik RouterBOARD 951Ui-2HnD", + rb951ui_setup); 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