projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * Modified from board-generic.c | |
| 3 | * | |
| 4 | * Copyright (C) 2004 2N Telekomunikace, Ladislav Michl <michl@2n.cz> | |
| 5 | * | |
| 6 | * Code for Netstar OMAP board. | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License version 2 as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | */ | |
| 12 | ||
| 13 | #include <linux/delay.h> | |
| d052d1be | 14 | #include <linux/platform_device.h> |
| 1da177e4 LT |
15 | #include <linux/interrupt.h> |
| 16 | #include <linux/init.h> | |
| 17 | #include <linux/kernel.h> | |
| 18 | #include <linux/notifier.h> | |
| 19 | #include <linux/reboot.h> | |
| 20 | ||
| 21 | #include <asm/hardware.h> | |
| 22 | #include <asm/mach-types.h> | |
| 23 | #include <asm/mach/arch.h> | |
| 24 | #include <asm/mach/map.h> | |
| 25 | ||
| 26 | #include <asm/arch/gpio.h> | |
| 27 | #include <asm/arch/mux.h> | |
| 28 | #include <asm/arch/usb.h> | |
| d48af15e | 29 | #include <asm/arch/common.h> |
| 1da177e4 LT |
30 | |
| 31 | extern void __init omap_init_time(void); | |
| 32 | extern int omap_gpio_init(void); | |
| 33 | ||
| 34 | static struct resource netstar_smc91x_resources[] = { | |
| 35 | [0] = { | |
| 36 | .start = OMAP_CS1_PHYS + 0x300, | |
| 37 | .end = OMAP_CS1_PHYS + 0x300 + 16, | |
| 38 | .flags = IORESOURCE_MEM, | |
| 39 | }, | |
| 40 | [1] = { | |
| 41 | .start = OMAP_GPIO_IRQ(8), | |
| 42 | .end = OMAP_GPIO_IRQ(8), | |
| 43 | .flags = IORESOURCE_IRQ, | |
| 44 | }, | |
| 45 | }; | |
| 46 | ||
| 47 | static struct platform_device netstar_smc91x_device = { | |
| 48 | .name = "smc91x", | |
| 49 | .id = 0, | |
| 50 | .num_resources = ARRAY_SIZE(netstar_smc91x_resources), | |
| 51 | .resource = netstar_smc91x_resources, | |
| 52 | }; | |
| 53 | ||
| 54 | static struct platform_device *netstar_devices[] __initdata = { | |
| 55 | &netstar_smc91x_device, | |
| 56 | }; | |
| 57 | ||
| 3179a019 TL |
58 | static struct omap_uart_config netstar_uart_config __initdata = { |
| 59 | .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), | |
| 60 | }; | |
| 61 | ||
| 62 | static struct omap_board_config_kernel netstar_config[] = { | |
| 63 | { OMAP_TAG_UART, &netstar_uart_config }, | |
| 64 | }; | |
| 65 | ||
| 1da177e4 LT |
66 | static void __init netstar_init_irq(void) |
| 67 | { | |
| 87bd63f6 | 68 | omap1_init_common_hw(); |
| 1da177e4 LT |
69 | omap_init_irq(); |
| 70 | omap_gpio_init(); | |
| 71 | } | |
| 72 | ||
| 73 | static void __init netstar_init(void) | |
| 74 | { | |
| 75 | /* green LED */ | |
| 76 | omap_request_gpio(4); | |
| 77 | omap_set_gpio_direction(4, 0); | |
| 78 | /* smc91x reset */ | |
| 79 | omap_request_gpio(7); | |
| 80 | omap_set_gpio_direction(7, 0); | |
| 81 | omap_set_gpio_dataout(7, 1); | |
| 82 | udelay(2); /* wait at least 100ns */ | |
| 83 | omap_set_gpio_dataout(7, 0); | |
| 84 | mdelay(50); /* 50ms until PHY ready */ | |
| 85 | /* smc91x interrupt pin */ | |
| 86 | omap_request_gpio(8); | |
| 1da177e4 LT |
87 | |
| 88 | omap_request_gpio(12); | |
| 89 | omap_request_gpio(13); | |
| 90 | omap_request_gpio(14); | |
| 91 | omap_request_gpio(15); | |
| 7c38cf02 TL |
92 | set_irq_type(OMAP_GPIO_IRQ(12), IRQT_FALLING); |
| 93 | set_irq_type(OMAP_GPIO_IRQ(13), IRQT_FALLING); | |
| 94 | set_irq_type(OMAP_GPIO_IRQ(14), IRQT_FALLING); | |
| 95 | set_irq_type(OMAP_GPIO_IRQ(15), IRQT_FALLING); | |
| 1da177e4 LT |
96 | |
| 97 | platform_add_devices(netstar_devices, ARRAY_SIZE(netstar_devices)); | |
| 98 | ||
| 99 | /* Switch on green LED */ | |
| 100 | omap_set_gpio_dataout(4, 0); | |
| 101 | /* Switch off red LED */ | |
| 102 | omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */ | |
| 103 | omap_writeb(0x80, OMAP_LPG1_LCR); | |
| 1da177e4 | 104 | |
| 3179a019 TL |
105 | omap_board_config = netstar_config; |
| 106 | omap_board_config_size = ARRAY_SIZE(netstar_config); | |
| 107 | omap_serial_init(); | |
| 108 | } | |
| 1da177e4 LT |
109 | |
| 110 | static void __init netstar_map_io(void) | |
| 111 | { | |
| 87bd63f6 | 112 | omap1_map_common_io(); |
| 1da177e4 LT |
113 | } |
| 114 | ||
| 115 | #define MACHINE_PANICED 1 | |
| 116 | #define MACHINE_REBOOTING 2 | |
| 117 | #define MACHINE_REBOOT 4 | |
| 118 | static unsigned long machine_state; | |
| 119 | ||
| 120 | static int panic_event(struct notifier_block *this, unsigned long event, | |
| 121 | void *ptr) | |
| 122 | { | |
| 123 | if (test_and_set_bit(MACHINE_PANICED, &machine_state)) | |
| 124 | return NOTIFY_DONE; | |
| 125 | ||
| 126 | /* Switch off green LED */ | |
| 127 | omap_set_gpio_dataout(4, 1); | |
| 128 | /* Flash red LED */ | |
| 129 | omap_writeb(0x78, OMAP_LPG1_LCR); | |
| 130 | omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */ | |
| 131 | ||
| 132 | return NOTIFY_DONE; | |
| 133 | } | |
| 134 | ||
| 135 | static struct notifier_block panic_block = { | |
| 136 | .notifier_call = panic_event, | |
| 137 | }; | |
| 138 | ||
| 139 | static int __init netstar_late_init(void) | |
| 140 | { | |
| 141 | /* TODO: Setup front panel switch here */ | |
| 142 | ||
| 143 | /* Setup panic notifier */ | |
| e041c683 | 144 | atomic_notifier_chain_register(&panic_notifier_list, &panic_block); |
| 1da177e4 LT |
145 | |
| 146 | return 0; | |
| 147 | } | |
| 148 | ||
| 149 | postcore_initcall(netstar_late_init); | |
| 150 | ||
| 151 | MACHINE_START(NETSTAR, "NetStar OMAP5910") | |
| e9dea0c6 | 152 | /* Maintainer: Ladislav Michl <michl@2n.cz> */ |
| e9dea0c6 RK |
153 | .phys_io = 0xfff00000, |
| 154 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, | |
| 155 | .boot_params = 0x10000100, | |
| 156 | .map_io = netstar_map_io, | |
| 157 | .init_irq = netstar_init_irq, | |
| 158 | .init_machine = netstar_init, | |
| 159 | .timer = &omap_timer, | |
| 1da177e4 | 160 | MACHINE_END |