102 lines
3.0 KiB
C
102 lines
3.0 KiB
C
/*
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* ZSUN WiFi SD Card Reader support
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*
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* Copyright (C) 2015 by Andrzej Surowiec <emeryth@hackerspace.pl>
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* Based on mach-carambola2.c copyright (C) 2013 Darius Augulis <darius@8devices.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <linux/gpio.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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#include "common.h"
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#include "dev-eth.h"
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#include "dev-gpio-buttons.h"
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#include "dev-leds-gpio.h"
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#include "dev-m25p80.h"
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#include "dev-spi.h"
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#include "dev-usb.h"
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#include "dev-wmac.h"
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#include "machtypes.h"
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#define ZSUN_SDREADER_GPIO_LED_SYSTEM 0
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#define ZSUN_SDREADER_GPIO_SW_SD 22
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#define ZSUN_SDREADER_GPIO_USB_SWITCH 21
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#define ZSUN_SDREADER_GPIO_SD_RESET 18
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#define ZSUN_SDREADER_MAC0_OFFSET 0x0000
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#define ZSUN_SDREADER_MAC1_OFFSET 0x0006
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#define ZSUN_SDREADER_CALDATA_OFFSET 0x1000
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#define ZSUN_SDREADER_WMAC_MAC_OFFSET 0x1002
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#define ZSUN_SDREADER_KEYS_POLL_INTERVAL 20 /* msecs */
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#define ZSUN_SDREADER_KEYS_DEBOUNCE_INTERVAL (3 * ZSUN_SDREADER_KEYS_POLL_INTERVAL)
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static struct gpio_led zsun_sdreader_leds_gpio[] __initdata = {
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{
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.name = "zsunsdreader:green:system",
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.gpio = ZSUN_SDREADER_GPIO_LED_SYSTEM,
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.active_low = 0,
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}
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};
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static struct gpio_keys_button zsun_sdreader_gpio_keys[] __initdata = {
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{
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.desc = "SD Card insert switch",
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.type = EV_KEY,
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.code = BTN_1,
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.debounce_interval = ZSUN_SDREADER_KEYS_DEBOUNCE_INTERVAL,
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.gpio = ZSUN_SDREADER_GPIO_SW_SD,
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.active_low = 1,
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}
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};
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static void __init zsun_sdreader_common_setup(void)
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{
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u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
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ath79_register_m25p80(NULL);
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ath79_register_wmac(art + ZSUN_SDREADER_CALDATA_OFFSET,
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art + ZSUN_SDREADER_WMAC_MAC_OFFSET);
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ath79_setup_ar933x_phy4_switch(true, true);
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//ath79_init_mac(ath79_eth0_data.mac_addr, art + ZSUN_SDREADER_MAC0_OFFSET, 0);
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ath79_init_mac(ath79_eth1_data.mac_addr, art + ZSUN_SDREADER_MAC1_OFFSET, 0);
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ath79_register_mdio(0, 0x0);
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//ath79_register_eth(0);
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ath79_register_eth(1);
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}
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static void __init zsun_sdreader_setup(void)
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{
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zsun_sdreader_common_setup();
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ath79_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
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AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
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AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
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AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
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AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
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ath79_register_leds_gpio(-1, ARRAY_SIZE(zsun_sdreader_leds_gpio),
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zsun_sdreader_leds_gpio);
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ath79_register_gpio_keys_polled(-1, ZSUN_SDREADER_KEYS_POLL_INTERVAL,
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ARRAY_SIZE(zsun_sdreader_gpio_keys),
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zsun_sdreader_gpio_keys);
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gpio_request_one(ZSUN_SDREADER_GPIO_USB_SWITCH, GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED, "USB switch");
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gpio_request_one(ZSUN_SDREADER_GPIO_SD_RESET, GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_CHANGEABLE, "SD reader reset");
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ath79_register_usb();
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}
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MIPS_MACHINE(ATH79_MACH_ZSUN_SDREADER, "ZSUN-SDREADER", "ZSUN WiFi SD Card Reader",
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zsun_sdreader_setup);
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