/* * AirTight Networks C-60 board support * * Copyright (C) 2016 Christian Lamparter <chunkeey@googlemail.com> * * Based on AirTight Networks C-55 board support * * Copyright (C) 2014-2015 Chris Blake <chrisrblake93@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. */ #include <linux/pci.h> #include <linux/phy.h> #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/platform_device.h> #include <linux/platform/ar934x_nfc.h> #include <linux/ar8216_platform.h> #include <linux/ath9k_platform.h> #include <linux/version.h> #include <asm/mach-ath79/ar71xx_regs.h> #include "common.h" #include "pci.h" #include "dev-ap9x-pci.h" #include "dev-eth.h" #include "dev-gpio-buttons.h" #include "dev-leds-gpio.h" #include "dev-m25p80.h" #include "dev-spi.h" #include "dev-wmac.h" #include "dev-usb.h" #include "dev-nfc.h" #include "machtypes.h" #define C60_GPIO_LED_PWR_AMBER 11 #define C60_GPIO_LED_WLAN2_GREEN 12 #define C60_GPIO_LED_WLAN2_AMBER 13 #define C60_GPIO_LED_PWR_GREEN 16 #define C60_GPIO_BTN_RESET 17 /* GPIOs of the AR9300 PCIe chip */ #define C60_GPIO_WMAC_LED_WLAN1_AMBER 0 #define C60_GPIO_WMAC_LED_WLAN1_GREEN 3 #define C60_KEYS_POLL_INTERVAL 20 /* msecs */ #define C60_KEYS_DEBOUNCE_INTERVAL (3 * C60_KEYS_POLL_INTERVAL) #define C60_ART_ADDR 0x1f7f0000 #define C60_ART_SIZE 0xffff #define C60_MAC_OFFSET 0 #define C60_WMAC_CALDATA_OFFSET 0x1000 #define C60_PCIE_CALDATA_OFFSET 0x5000 static struct gpio_led c60_leds_gpio[] __initdata = { { .name = "c-60:amber:pwr", .gpio = C60_GPIO_LED_PWR_AMBER, .active_low = 1, }, { .name = "c-60:green:pwr", .gpio = C60_GPIO_LED_PWR_GREEN, .active_low = 1, }, { .name = "c-60:green:wlan2", .gpio = C60_GPIO_LED_WLAN2_GREEN, .active_low = 1, }, { .name = "c-60:amber:wlan2", .gpio = C60_GPIO_LED_WLAN2_AMBER, .active_low = 1, }, }; static struct gpio_keys_button c60_gpio_keys[] __initdata = { { .desc = "Reset button", .type = EV_KEY, .code = KEY_RESTART, .debounce_interval = C60_KEYS_DEBOUNCE_INTERVAL, .gpio = C60_GPIO_BTN_RESET, .active_low = 1, }, }; static struct ar8327_pad_cfg c60_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 c60_ar8327_data = { .pad0_cfg = &c60_ar8327_pad0_cfg, .port0_cfg = { .force_link = 1, .speed = AR8327_PORT_SPEED_1000, .duplex = 1, .txpause = 1, .rxpause = 1, } }; static struct mdio_board_info c60_mdio0_info[] = { { .bus_id = "ag71xx-mdio.0", .phy_addr = 0, .platform_data = &c60_ar8327_data, }, }; #if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0) static struct nand_ecclayout c60_nand_ecclayout = { .eccbytes = 7, .eccpos = { 4, 8, 9, 10, 13, 14, 15 }, .oobavail = 9, .oobfree = { { 0, 3 }, { 6, 2 }, { 11, 2 }, } }; #else static int c60_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *oobregion) { switch (section) { case 0: oobregion->offset = 4; oobregion->length = 1; return 0; case 1: oobregion->offset = 8; oobregion->length = 3; return 0; case 2: oobregion->offset = 13; oobregion->length = 3; return 0; default: return -ERANGE; } } static int c60_ooblayout_free(struct mtd_info *mtd, int section, struct mtd_oob_region *oobregion) { switch (section) { case 0: oobregion->offset = 0; oobregion->length = 3; return 0; case 1: oobregion->offset = 6; oobregion->length = 2; return 0; case 2: oobregion->offset = 11; oobregion->length = 2; return 0; default: return -ERANGE; } } static const struct mtd_ooblayout_ops c60_nand_ecclayout_ops = { .ecc = c60_ooblayout_ecc, .free = c60_ooblayout_free, }; #endif /* < 4.6 */ static int c60_nand_scan_fixup(struct mtd_info *mtd) { #if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0) struct nand_chip *chip = mtd->priv; #else struct nand_chip *chip = mtd_to_nand(mtd); #endif chip->ecc.size = 512; chip->ecc.strength = 4; #if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0) chip->ecc.layout = &c60_nand_ecclayout; #else mtd_set_ooblayout(mtd, &c60_nand_ecclayout_ops); #endif return 0; } static struct gpio_led c60_wmac0_leds_gpio[] = { { .name = "c-60:amber:wlan1", .gpio = C60_GPIO_WMAC_LED_WLAN1_AMBER, .active_low = 1, }, { .name = "c-60:green:wlan1", .gpio = C60_GPIO_WMAC_LED_WLAN1_GREEN, .active_low = 1, }, }; static void __init c60_setup(void) { u8 tmpmac[6]; u8 *art = (u8 *) KSEG1ADDR(C60_ART_ADDR); /* NAND */ ath79_nfc_set_ecc_mode(AR934X_NFC_ECC_SOFT_BCH); ath79_nfc_set_scan_fixup(c60_nand_scan_fixup); ath79_register_nfc(); /* SPI Storage*/ ath79_register_m25p80(NULL); /* AR8327 Switch Ethernet */ ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0); mdiobus_register_board_info(c60_mdio0_info, ARRAY_SIZE(c60_mdio0_info)); ath79_register_mdio(0, 0x0); /* GMAC0 is connected to an AR8327N switch */ ath79_init_mac(ath79_eth0_data.mac_addr, art + C60_MAC_OFFSET, 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); /* LEDs & GPIO */ ath79_register_leds_gpio(-1, ARRAY_SIZE(c60_leds_gpio), c60_leds_gpio); ath79_register_gpio_keys_polled(-1, C60_KEYS_POLL_INTERVAL, ARRAY_SIZE(c60_gpio_keys), c60_gpio_keys); ap9x_pci_setup_wmac_leds(0, c60_wmac0_leds_gpio, ARRAY_SIZE(c60_wmac0_leds_gpio)); /* USB */ ath79_register_usb(); /* WiFi */ ath79_init_mac(tmpmac, art + C60_MAC_OFFSET, 1); ap91_pci_init(art + C60_PCIE_CALDATA_OFFSET, tmpmac); ath79_init_mac(tmpmac, art + C60_MAC_OFFSET, 2); ath79_register_wmac(art + C60_WMAC_CALDATA_OFFSET, tmpmac); } MIPS_MACHINE(ATH79_MACH_C60, "C-60", "AirTight Networks C-60", c60_setup);