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- /*
- * linux/arch/arm/mach-omap1/board-voiceblue.c
- *
- * Modified from board-generic.c
- *
- * Copyright (C) 2004 2N Telekomunikace, Ladislav Michl <michl@2n.cz>
- *
- * Code for OMAP5910 based VoiceBlue board (VoIP to GSM gateway).
- *
- * 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/delay.h>
- #include <linux/device.h>
- #include <linux/interrupt.h>
- #include <linux/init.h>
- #include <linux/kernel.h>
- #include <linux/notifier.h>
- #include <linux/reboot.h>
- #include <linux/serial_8250.h>
- #include <linux/serial_reg.h>
- #include <asm/hardware.h>
- #include <asm/mach-types.h>
- #include <asm/mach/arch.h>
- #include <asm/mach/flash.h>
- #include <asm/mach/map.h>
- #include <asm/arch/common.h>
- #include <asm/arch/gpio.h>
- #include <asm/arch/mux.h>
- #include <asm/arch/tc.h>
- #include <asm/arch/usb.h>
- extern void omap_init_time(void);
- extern int omap_gpio_init(void);
- static struct plat_serial8250_port voiceblue_ports[] = {
- {
- .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x40000),
- .irq = OMAP_GPIO_IRQ(12),
- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
- .iotype = UPIO_MEM,
- .regshift = 1,
- .uartclk = 3686400,
- },
- {
- .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x50000),
- .irq = OMAP_GPIO_IRQ(13),
- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
- .iotype = UPIO_MEM,
- .regshift = 1,
- .uartclk = 3686400,
- },
- {
- .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x60000),
- .irq = OMAP_GPIO_IRQ(14),
- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
- .iotype = UPIO_MEM,
- .regshift = 1,
- .uartclk = 3686400,
- },
- {
- .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x70000),
- .irq = OMAP_GPIO_IRQ(15),
- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
- .iotype = UPIO_MEM,
- .regshift = 1,
- .uartclk = 3686400,
- },
- { },
- };
- static struct platform_device serial_device = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM1,
- .dev = {
- .platform_data = voiceblue_ports,
- },
- };
- static int __init ext_uart_init(void)
- {
- return platform_device_register(&serial_device);
- }
- arch_initcall(ext_uart_init);
- static struct flash_platform_data voiceblue_flash_data = {
- .map_name = "cfi_probe",
- .width = 2,
- };
- static struct resource voiceblue_flash_resource = {
- .start = OMAP_CS0_PHYS,
- .end = OMAP_CS0_PHYS + SZ_32M - 1,
- .flags = IORESOURCE_MEM,
- };
- static struct platform_device voiceblue_flash_device = {
- .name = "omapflash",
- .id = 0,
- .dev = {
- .platform_data = &voiceblue_flash_data,
- },
- .num_resources = 1,
- .resource = &voiceblue_flash_resource,
- };
- static struct resource voiceblue_smc91x_resources[] = {
- [0] = {
- .start = OMAP_CS2_PHYS + 0x300,
- .end = OMAP_CS2_PHYS + 0x300 + 16,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = OMAP_GPIO_IRQ(8),
- .end = OMAP_GPIO_IRQ(8),
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct platform_device voiceblue_smc91x_device = {
- .name = "smc91x",
- .id = 0,
- .num_resources = ARRAY_SIZE(voiceblue_smc91x_resources),
- .resource = voiceblue_smc91x_resources,
- };
- static struct platform_device *voiceblue_devices[] __initdata = {
- &voiceblue_flash_device,
- &voiceblue_smc91x_device,
- };
- static struct omap_usb_config voiceblue_usb_config __initdata = {
- .hmc_mode = 3,
- .register_host = 1,
- .register_dev = 1,
- .pins[0] = 2,
- .pins[1] = 6,
- .pins[2] = 6,
- };
- static struct omap_mmc_config voiceblue_mmc_config __initdata = {
- .mmc[0] = {
- .enabled = 1,
- .power_pin = 2,
- .switch_pin = -1,
- },
- };
- static struct omap_board_config_kernel voiceblue_config[] = {
- { OMAP_TAG_USB, &voiceblue_usb_config },
- { OMAP_TAG_MMC, &voiceblue_mmc_config },
- };
- static void __init voiceblue_init_irq(void)
- {
- omap_init_irq();
- omap_gpio_init();
- }
- static void __init voiceblue_init(void)
- {
- /* Watchdog */
- omap_request_gpio(0);
- /* smc91x reset */
- omap_request_gpio(7);
- omap_set_gpio_direction(7, 0);
- omap_set_gpio_dataout(7, 1);
- udelay(2); /* wait at least 100ns */
- omap_set_gpio_dataout(7, 0);
- mdelay(50); /* 50ms until PHY ready */
- /* smc91x interrupt pin */
- omap_request_gpio(8);
- /* 16C554 reset*/
- omap_request_gpio(6);
- omap_set_gpio_direction(6, 0);
- omap_set_gpio_dataout(6, 0);
- /* 16C554 interrupt pins */
- omap_request_gpio(12);
- omap_request_gpio(13);
- omap_request_gpio(14);
- omap_request_gpio(15);
- set_irq_type(OMAP_GPIO_IRQ(12), IRQT_RISING);
- set_irq_type(OMAP_GPIO_IRQ(13), IRQT_RISING);
- set_irq_type(OMAP_GPIO_IRQ(14), IRQT_RISING);
- set_irq_type(OMAP_GPIO_IRQ(15), IRQT_RISING);
- platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices));
- omap_board_config = voiceblue_config;
- omap_board_config_size = ARRAY_SIZE(voiceblue_config);
- /* There is a good chance board is going up, so enable power LED
- * (it is connected through invertor) */
- omap_writeb(0x00, OMAP_LPG1_LCR);
- omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */
- }
- static int __initdata omap_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
- static void __init voiceblue_map_io(void)
- {
- omap_map_common_io();
- omap_serial_init(omap_serial_ports);
- }
- #define MACHINE_PANICED 1
- #define MACHINE_REBOOTING 2
- #define MACHINE_REBOOT 4
- static unsigned long machine_state;
- static int panic_event(struct notifier_block *this, unsigned long event,
- void *ptr)
- {
- if (test_and_set_bit(MACHINE_PANICED, &machine_state))
- return NOTIFY_DONE;
- /* Flash power LED */
- omap_writeb(0x78, OMAP_LPG1_LCR);
- omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */
- return NOTIFY_DONE;
- }
- static struct notifier_block panic_block = {
- .notifier_call = panic_event,
- };
- static int __init voiceblue_setup(void)
- {
- /* Setup panic notifier */
- notifier_chain_register(&panic_notifier_list, &panic_block);
- return 0;
- }
- postcore_initcall(voiceblue_setup);
- static int wdt_gpio_state;
- void voiceblue_wdt_enable(void)
- {
- omap_set_gpio_direction(0, 0);
- omap_set_gpio_dataout(0, 0);
- omap_set_gpio_dataout(0, 1);
- omap_set_gpio_dataout(0, 0);
- wdt_gpio_state = 0;
- }
- void voiceblue_wdt_disable(void)
- {
- omap_set_gpio_dataout(0, 0);
- omap_set_gpio_dataout(0, 1);
- omap_set_gpio_dataout(0, 0);
- omap_set_gpio_direction(0, 1);
- }
- void voiceblue_wdt_ping(void)
- {
- if (test_bit(MACHINE_REBOOT, &machine_state))
- return;
- wdt_gpio_state = !wdt_gpio_state;
- omap_set_gpio_dataout(0, wdt_gpio_state);
- }
- void voiceblue_reset(void)
- {
- set_bit(MACHINE_REBOOT, &machine_state);
- voiceblue_wdt_enable();
- while (1) ;
- }
- EXPORT_SYMBOL(voiceblue_wdt_enable);
- EXPORT_SYMBOL(voiceblue_wdt_disable);
- EXPORT_SYMBOL(voiceblue_wdt_ping);
- MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910")
- /* Maintainer: Ladislav Michl <michl@2n.cz> */
- .phys_ram = 0x10000000,
- .phys_io = 0xfff00000,
- .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
- .boot_params = 0x10000100,
- .map_io = voiceblue_map_io,
- .init_irq = voiceblue_init_irq,
- .init_machine = voiceblue_init,
- .timer = &omap_timer,
- MACHINE_END
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