/* * Modified from board-generic.c * * Copyright (C) 2004 2N Telekomunikace, Ladislav Michl <michl@2n.cz> * * Code for Netstar OMAP board. * * 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/platform_device.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/notifier.h> #include <linux/reboot.h> #include <asm/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/arch/gpio.h> #include <asm/arch/mux.h> #include <asm/arch/usb.h> #include <asm/arch/common.h> extern void __init omap_init_time(void); extern int omap_gpio_init(void); static struct resource netstar_smc91x_resources[] = { [0] = { .start = OMAP_CS1_PHYS + 0x300, .end = OMAP_CS1_PHYS + 0x300 + 16, .flags = IORESOURCE_MEM, }, [1] = { .start = OMAP_GPIO_IRQ(8), .end = OMAP_GPIO_IRQ(8), .flags = IORESOURCE_IRQ, }, }; static struct platform_device netstar_smc91x_device = { .name = "smc91x", .id = 0, .num_resources = ARRAY_SIZE(netstar_smc91x_resources), .resource = netstar_smc91x_resources, }; static struct platform_device *netstar_devices[] __initdata = { &netstar_smc91x_device, }; static struct omap_uart_config netstar_uart_config __initdata = { .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), }; static struct omap_board_config_kernel netstar_config[] = { { OMAP_TAG_UART, &netstar_uart_config }, }; static void __init netstar_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); omap_gpio_init(); } static void __init netstar_init(void) { /* green LED */ omap_request_gpio(4); omap_set_gpio_direction(4, 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); omap_request_gpio(12); omap_request_gpio(13); omap_request_gpio(14); omap_request_gpio(15); set_irq_type(OMAP_GPIO_IRQ(12), IRQT_FALLING); set_irq_type(OMAP_GPIO_IRQ(13), IRQT_FALLING); set_irq_type(OMAP_GPIO_IRQ(14), IRQT_FALLING); set_irq_type(OMAP_GPIO_IRQ(15), IRQT_FALLING); platform_add_devices(netstar_devices, ARRAY_SIZE(netstar_devices)); /* Switch on green LED */ omap_set_gpio_dataout(4, 0); /* Switch off red LED */ omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */ omap_writeb(0x80, OMAP_LPG1_LCR); omap_board_config = netstar_config; omap_board_config_size = ARRAY_SIZE(netstar_config); omap_serial_init(); } static void __init netstar_map_io(void) { omap1_map_common_io(); } #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; /* Switch off green LED */ omap_set_gpio_dataout(4, 1); /* Flash red 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 netstar_late_init(void) { /* TODO: Setup front panel switch here */ /* Setup panic notifier */ atomic_notifier_chain_register(&panic_notifier_list, &panic_block); return 0; } postcore_initcall(netstar_late_init); MACHINE_START(NETSTAR, "NetStar OMAP5910") /* Maintainer: Ladislav Michl <michl@2n.cz> */ .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100, .map_io = netstar_map_io, .init_irq = netstar_init_irq, .init_machine = netstar_init, .timer = &omap_timer, MACHINE_END