/* * MikroTik RouterBOARD 2011 support * * Copyright (C) 2012 Stijn Tintel * Copyright (C) 2012 Gabor Juhos * * 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) "rb2011: " fmt #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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" #define RB2011_GPIO_NAND_NCE 14 #define RB2011_GPIO_SFP_LOS 21 #define RB_ROUTERBOOT_OFFSET 0x0000 #define RB_ROUTERBOOT_MIN_SIZE 0xb000 #define RB_HARD_CFG_SIZE 0x1000 #define RB_BIOS_OFFSET 0xd000 #define RB_BIOS_SIZE 0x1000 #define RB_SOFT_CFG_OFFSET 0xf000 #define RB_SOFT_CFG_SIZE 0x1000 #define RB_ART_SIZE 0x10000 #define RB2011_FLAG_SFP BIT(0) #define RB2011_FLAG_USB BIT(1) #define RB2011_FLAG_WLAN BIT(2) static struct mtd_partition rb2011_spi_partitions[] = { { .name = "routerboot", .offset = RB_ROUTERBOOT_OFFSET, .mask_flags = MTD_WRITEABLE, }, { .name = "hard_config", .size = RB_HARD_CFG_SIZE, .mask_flags = MTD_WRITEABLE, }, { .name = "bios", .offset = RB_BIOS_OFFSET, .size = RB_BIOS_SIZE, .mask_flags = MTD_WRITEABLE, }, { .name = "soft_config", .size = RB_SOFT_CFG_SIZE, } }; static void __init rb2011_init_partitions(const struct rb_info *info) { rb2011_spi_partitions[0].size = info->hard_cfg_offs; rb2011_spi_partitions[1].offset = info->hard_cfg_offs; rb2011_spi_partitions[3].offset = info->soft_cfg_offs; } static struct mtd_partition rb2011_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 flash_platform_data rb2011_spi_flash_data = { .parts = rb2011_spi_partitions, .nr_parts = ARRAY_SIZE(rb2011_spi_partitions), }; static struct ar8327_pad_cfg rb2011_ar8327_pad0_cfg = { .mode = AR8327_PAD_MAC_RGMII, .txclk_delay_en = true, .rxclk_delay_en = true, .txclk_delay_sel = AR8327_CLK_DELAY_SEL3, .rxclk_delay_sel = AR8327_CLK_DELAY_SEL0, }; static struct ar8327_pad_cfg rb2011_ar8327_pad6_cfg; static struct ar8327_sgmii_cfg rb2011_ar8327_sgmii_cfg; static struct ar8327_led_cfg rb2011_ar8327_led_cfg = { .led_ctrl0 = 0xc731c731, .led_ctrl1 = 0x00000000, .led_ctrl2 = 0x00000000, .led_ctrl3 = 0x0030c300, .open_drain = false, }; static const struct ar8327_led_info rb2011_ar8327_leds[] __initconst = { AR8327_LED_INFO(PHY0_0, HW, "rb:green:eth1"), AR8327_LED_INFO(PHY1_0, HW, "rb:green:eth2"), AR8327_LED_INFO(PHY2_0, HW, "rb:green:eth3"), AR8327_LED_INFO(PHY3_0, HW, "rb:green:eth4"), AR8327_LED_INFO(PHY4_0, HW, "rb:green:eth5"), AR8327_LED_INFO(PHY0_1, SW, "rb:green:eth6"), AR8327_LED_INFO(PHY1_1, SW, "rb:green:eth7"), AR8327_LED_INFO(PHY2_1, SW, "rb:green:eth8"), AR8327_LED_INFO(PHY3_1, SW, "rb:green:eth9"), AR8327_LED_INFO(PHY4_1, SW, "rb:green:eth10"), AR8327_LED_INFO(PHY4_2, SW, "rb:green:usr"), }; static struct ar8327_platform_data rb2011_ar8327_data = { .pad0_cfg = &rb2011_ar8327_pad0_cfg, .port0_cfg = { .force_link = 1, .speed = AR8327_PORT_SPEED_1000, .duplex = 1, .txpause = 1, .rxpause = 1, }, .led_cfg = &rb2011_ar8327_led_cfg, .num_leds = ARRAY_SIZE(rb2011_ar8327_leds), .leds = rb2011_ar8327_leds, }; static struct mdio_board_info rb2011_mdio0_info[] = { { .bus_id = "ag71xx-mdio.0", .phy_addr = 0, .platform_data = &rb2011_ar8327_data, }, }; static void __init rb2011_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 rb2011_nand_select_chip(int chip_no) { switch (chip_no) { case 0: gpio_set_value(RB2011_GPIO_NAND_NCE, 0); break; default: gpio_set_value(RB2011_GPIO_NAND_NCE, 1); break; } ndelay(500); } static struct nand_ecclayout rb2011_nand_ecclayout = { .eccbytes = 6, .eccpos = { 8, 9, 10, 13, 14, 15 }, .oobavail = 9, .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } } }; static int rb2011_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 = &rb2011_nand_ecclayout; } return 0; } static void __init rb2011_nand_init(void) { gpio_request_one(RB2011_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE"); ath79_nfc_set_scan_fixup(rb2011_nand_scan_fixup); ath79_nfc_set_parts(rb2011_nand_partitions, ARRAY_SIZE(rb2011_nand_partitions)); ath79_nfc_set_select_chip(rb2011_nand_select_chip); ath79_nfc_set_swap_dma(true); ath79_register_nfc(); } static int rb2011_get_port_link(unsigned port) { if (port != 6) return -EINVAL; /* The Loss of signal line is active low */ return !gpio_get_value(RB2011_GPIO_SFP_LOS); } static void __init rb2011_sfp_init(void) { gpio_request_one(RB2011_GPIO_SFP_LOS, GPIOF_IN, "SFP LOS"); rb2011_ar8327_pad6_cfg.mode = AR8327_PAD_MAC_SGMII; rb2011_ar8327_data.pad6_cfg = &rb2011_ar8327_pad6_cfg; rb2011_ar8327_sgmii_cfg.sgmii_ctrl = 0xc70167d0; rb2011_ar8327_sgmii_cfg.serdes_aen = true; rb2011_ar8327_data.sgmii_cfg = &rb2011_ar8327_sgmii_cfg; rb2011_ar8327_data.port6_cfg.force_link = 1; rb2011_ar8327_data.port6_cfg.speed = AR8327_PORT_SPEED_1000; rb2011_ar8327_data.port6_cfg.duplex = 1; rb2011_ar8327_data.get_port_link = rb2011_get_port_link; } static int __init rb2011_setup(u32 flags) { const struct rb_info *info; char buf[64]; info = rb_init_info((void *) KSEG1ADDR(0x1f000000), 0x10000); if (!info) return -ENODEV; scnprintf(buf, sizeof(buf), "Mikrotik RouterBOARD %s", (info->board_name) ? info->board_name : ""); mips_set_machine_name(buf); rb2011_init_partitions(info); ath79_register_m25p80(&rb2011_spi_flash_data); rb2011_nand_init(); ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 | AR934X_ETH_CFG_SW_ONLY_MODE); ath79_register_mdio(1, 0x0); ath79_register_mdio(0, 0x0); mdiobus_register_board_info(rb2011_mdio0_info, ARRAY_SIZE(rb2011_mdio0_info)); /* GMAC0 is connected to an ar8327 switch */ 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_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev; ath79_eth0_pll_data.pll_1000 = 0x06000000; ath79_register_eth(0); /* GMAC1 is connected to the internal switch */ ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 5); ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII; ath79_eth1_data.speed = SPEED_1000; ath79_eth1_data.duplex = DUPLEX_FULL; ath79_register_eth(1); if (flags & RB2011_FLAG_SFP) rb2011_sfp_init(); if (flags & RB2011_FLAG_WLAN) rb2011_wlan_init(); if (flags & RB2011_FLAG_USB) ath79_register_usb(); return 0; } static void __init rb2011l_setup(void) { rb2011_setup(0); } MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011L, "2011L", rb2011l_setup); static void __init rb2011us_setup(void) { rb2011_setup(RB2011_FLAG_SFP | RB2011_FLAG_USB); } MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011US, "2011US", rb2011us_setup); static void __init rb2011r5_setup(void) { rb2011_setup(RB2011_FLAG_SFP | RB2011_FLAG_USB | RB2011_FLAG_WLAN); } MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011R5, "2011r5", rb2011r5_setup); static void __init rb2011g_setup(void) { rb2011_setup(RB2011_FLAG_SFP | RB2011_FLAG_USB | RB2011_FLAG_WLAN); } MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011G, "2011G", rb2011g_setup);