132 lines
3.5 KiB
C
132 lines
3.5 KiB
C
/*
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* Mikrotik RouterBOARD 150 support
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*
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* Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
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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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*/
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#include "rb-1xx.h"
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#define RB150_NAND_BASE 0x1FC80000
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#define RB150_NAND_SIZE 1
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#define RB150_GPIO_NAND_READY ADM5120_GPIO_PIN0
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#define RB150_GPIO_NAND_NCE ADM5120_GPIO_PIN1
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#define RB150_GPIO_NAND_CLE ADM5120_GPIO_P2L2
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#define RB150_GPIO_NAND_ALE ADM5120_GPIO_P3L2
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#define RB150_GPIO_RESET_BUTTON ADM5120_GPIO_PIN1 /* FIXME */
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#define RB150_NAND_DELAY 100
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#define RB150_NAND_WRITE(v) \
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writeb((v), (void __iomem *)KSEG1ADDR(RB150_NAND_BASE))
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static struct resource rb150_nand_resources[] __initdata = {
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[0] = {
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.start = RB150_NAND_BASE,
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.end = RB150_NAND_BASE + RB150_NAND_SIZE-1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct gpio_led rb150_gpio_leds[] __initdata = {
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GPIO_LED_STD(ADM5120_GPIO_P0L2, "user", NULL),
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GPIO_LED_INV(ADM5120_GPIO_P0L1, "lan1_led1", NULL),
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GPIO_LED_INV(ADM5120_GPIO_P0L0, "lan1_led2", NULL),
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GPIO_LED_INV(ADM5120_GPIO_P1L1, "lan5_led1", NULL),
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GPIO_LED_INV(ADM5120_GPIO_P1L0, "lan5_led2", NULL),
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GPIO_LED_INV(ADM5120_GPIO_P2L1, "lan4_led1", NULL),
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GPIO_LED_INV(ADM5120_GPIO_P2L0, "lan4_led2", NULL),
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GPIO_LED_INV(ADM5120_GPIO_P3L1, "lan3_led1", NULL),
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GPIO_LED_INV(ADM5120_GPIO_P3L0, "lan3_led2", NULL),
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GPIO_LED_INV(ADM5120_GPIO_P4L1, "lan2_led1", NULL),
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GPIO_LED_INV(ADM5120_GPIO_P4L0, "lan2_led2", NULL),
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};
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static u8 rb150_vlans[6] __initdata = {
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0x7F, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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static int rb150_nand_dev_ready(struct mtd_info *mtd)
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{
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return gpio_get_value(RB150_GPIO_NAND_READY);
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}
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static void rb150_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
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unsigned int ctrl)
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{
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if (ctrl & NAND_CTRL_CHANGE) {
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gpio_set_value(RB150_GPIO_NAND_CLE, (ctrl & NAND_CLE) ? 1 : 0);
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gpio_set_value(RB150_GPIO_NAND_ALE, (ctrl & NAND_ALE) ? 1 : 0);
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gpio_set_value(RB150_GPIO_NAND_NCE, (ctrl & NAND_NCE) ? 0 : 1);
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}
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udelay(RB150_NAND_DELAY);
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if (cmd != NAND_CMD_NONE)
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RB150_NAND_WRITE(cmd);
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}
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static void __init rb150_add_device_nand(void)
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{
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struct platform_device *pdev;
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int err;
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/* setup GPIO pins for NAND flash chip */
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gpio_request(RB150_GPIO_NAND_READY, "nand-ready");
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gpio_direction_input(RB150_GPIO_NAND_READY);
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gpio_request(RB150_GPIO_NAND_NCE, "nand-nce");
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gpio_direction_output(RB150_GPIO_NAND_NCE, 1);
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gpio_request(RB150_GPIO_NAND_CLE, "nand-cle");
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gpio_direction_output(RB150_GPIO_NAND_CLE, 0);
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gpio_request(RB150_GPIO_NAND_ALE, "nand-ale");
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gpio_direction_output(RB150_GPIO_NAND_ALE, 0);
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pdev = platform_device_alloc("gen_nand", -1);
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if (!pdev)
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goto err_out;
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err = platform_device_add_resources(pdev, rb150_nand_resources,
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ARRAY_SIZE(rb150_nand_resources));
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if (err)
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goto err_put;
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rb1xx_nand_data.ctrl.cmd_ctrl = rb150_nand_cmd_ctrl;
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rb1xx_nand_data.ctrl.dev_ready = rb150_nand_dev_ready;
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err = platform_device_add_data(pdev, &rb1xx_nand_data,
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sizeof(rb1xx_nand_data));
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if (err)
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goto err_put;
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err = platform_device_add(pdev);
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if (err)
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goto err_put;
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return;
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err_put:
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platform_device_put(pdev);
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err_out:
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return;
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}
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static void __init rb150_setup(void)
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{
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rb1xx_gpio_buttons[0].gpio = RB150_GPIO_RESET_BUTTON;
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rb1xx_generic_setup();
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rb150_add_device_nand();
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adm5120_add_device_gpio_leds(ARRAY_SIZE(rb150_gpio_leds),
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rb150_gpio_leds);
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adm5120_add_device_switch(5, rb150_vlans);
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}
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MIPS_MACHINE(MACH_ADM5120_RB_150, "miniROUTER", "Mikrotik RouterBOARD 150",
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rb150_setup);
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