Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-omap/omap2/board-h4.c |
| 3 | * |
| 4 | * Copyright (C) 2005 Nokia Corporation |
| 5 | * Author: Paul Mundt <paul.mundt@nokia.com> |
| 6 | * |
| 7 | * Modified from mach-omap/omap1/board-generic.c |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/platform_device.h> |
| 17 | #include <linux/mtd/mtd.h> |
| 18 | #include <linux/mtd/partitions.h> |
| 19 | #include <linux/delay.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 | #include <asm/mach/flash.h> |
| 26 | |
| 27 | #include <asm/arch/gpio.h> |
| 28 | #include <asm/arch/mux.h> |
| 29 | #include <asm/arch/usb.h> |
| 30 | #include <asm/arch/board.h> |
| 31 | #include <asm/arch/common.h> |
| 32 | #include <asm/arch/prcm.h> |
| 33 | |
| 34 | #include <asm/io.h> |
| 35 | #include <asm/delay.h> |
| 36 | |
| 37 | static struct mtd_partition h4_partitions[] = { |
| 38 | /* bootloader (U-Boot, etc) in first sector */ |
| 39 | { |
| 40 | .name = "bootloader", |
| 41 | .offset = 0, |
| 42 | .size = SZ_128K, |
| 43 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 44 | }, |
| 45 | /* bootloader params in the next sector */ |
| 46 | { |
| 47 | .name = "params", |
| 48 | .offset = MTDPART_OFS_APPEND, |
| 49 | .size = SZ_128K, |
| 50 | .mask_flags = 0, |
| 51 | }, |
| 52 | /* kernel */ |
| 53 | { |
| 54 | .name = "kernel", |
| 55 | .offset = MTDPART_OFS_APPEND, |
| 56 | .size = SZ_2M, |
| 57 | .mask_flags = 0 |
| 58 | }, |
| 59 | /* file system */ |
| 60 | { |
| 61 | .name = "filesystem", |
| 62 | .offset = MTDPART_OFS_APPEND, |
| 63 | .size = MTDPART_SIZ_FULL, |
| 64 | .mask_flags = 0 |
| 65 | } |
| 66 | }; |
| 67 | |
| 68 | static struct flash_platform_data h4_flash_data = { |
| 69 | .map_name = "cfi_probe", |
| 70 | .width = 2, |
| 71 | .parts = h4_partitions, |
| 72 | .nr_parts = ARRAY_SIZE(h4_partitions), |
| 73 | }; |
| 74 | |
| 75 | static struct resource h4_flash_resource = { |
| 76 | .start = H4_CS0_BASE, |
| 77 | .end = H4_CS0_BASE + SZ_64M - 1, |
| 78 | .flags = IORESOURCE_MEM, |
| 79 | }; |
| 80 | |
| 81 | static struct platform_device h4_flash_device = { |
| 82 | .name = "omapflash", |
| 83 | .id = 0, |
| 84 | .dev = { |
| 85 | .platform_data = &h4_flash_data, |
| 86 | }, |
| 87 | .num_resources = 1, |
| 88 | .resource = &h4_flash_resource, |
| 89 | }; |
| 90 | |
| 91 | static struct resource h4_smc91x_resources[] = { |
| 92 | [0] = { |
| 93 | .start = OMAP24XX_ETHR_START, /* Physical */ |
| 94 | .end = OMAP24XX_ETHR_START + 0xf, |
| 95 | .flags = IORESOURCE_MEM, |
| 96 | }, |
| 97 | [1] = { |
| 98 | .start = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), |
| 99 | .end = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), |
| 100 | .flags = IORESOURCE_IRQ, |
| 101 | }, |
| 102 | }; |
| 103 | |
| 104 | static struct platform_device h4_smc91x_device = { |
| 105 | .name = "smc91x", |
| 106 | .id = -1, |
| 107 | .num_resources = ARRAY_SIZE(h4_smc91x_resources), |
| 108 | .resource = h4_smc91x_resources, |
| 109 | }; |
| 110 | |
| 111 | static struct platform_device *h4_devices[] __initdata = { |
| 112 | &h4_smc91x_device, |
| 113 | &h4_flash_device, |
| 114 | }; |
| 115 | |
| 116 | static inline void __init h4_init_smc91x(void) |
| 117 | { |
| 118 | /* Make sure CS1 timings are correct */ |
| 119 | GPMC_CONFIG1_1 = 0x00011200; |
| 120 | GPMC_CONFIG2_1 = 0x001f1f01; |
| 121 | GPMC_CONFIG3_1 = 0x00080803; |
| 122 | GPMC_CONFIG4_1 = 0x1c091c09; |
| 123 | GPMC_CONFIG5_1 = 0x041f1f1f; |
| 124 | GPMC_CONFIG6_1 = 0x000004c4; |
| 125 | GPMC_CONFIG7_1 = 0x00000f40 | (0x08000000 >> 24); |
| 126 | udelay(100); |
| 127 | |
| 128 | omap_cfg_reg(M15_24XX_GPIO92); |
| 129 | if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) { |
| 130 | printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", |
| 131 | OMAP24XX_ETHR_GPIO_IRQ); |
| 132 | return; |
| 133 | } |
| 134 | omap_set_gpio_direction(OMAP24XX_ETHR_GPIO_IRQ, 1); |
| 135 | } |
| 136 | |
| 137 | static void __init omap_h4_init_irq(void) |
| 138 | { |
Tony Lindgren | 18f49ea | 2006-02-08 22:06:47 +0000 | [diff] [blame^] | 139 | omap2_init_common_hw(); |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 140 | omap_init_irq(); |
| 141 | omap_gpio_init(); |
| 142 | h4_init_smc91x(); |
| 143 | } |
| 144 | |
| 145 | static struct omap_uart_config h4_uart_config __initdata = { |
| 146 | .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), |
| 147 | }; |
| 148 | |
| 149 | static struct omap_mmc_config h4_mmc_config __initdata = { |
| 150 | .mmc [0] = { |
| 151 | .enabled = 1, |
| 152 | .wire4 = 1, |
| 153 | .wp_pin = -1, |
| 154 | .power_pin = -1, |
| 155 | .switch_pin = -1, |
| 156 | }, |
| 157 | }; |
| 158 | |
| 159 | static struct omap_lcd_config h4_lcd_config __initdata = { |
| 160 | .panel_name = "h4", |
| 161 | .ctrl_name = "internal", |
| 162 | }; |
| 163 | |
| 164 | static struct omap_board_config_kernel h4_config[] = { |
| 165 | { OMAP_TAG_UART, &h4_uart_config }, |
| 166 | { OMAP_TAG_MMC, &h4_mmc_config }, |
| 167 | { OMAP_TAG_LCD, &h4_lcd_config }, |
| 168 | }; |
| 169 | |
| 170 | static void __init omap_h4_init(void) |
| 171 | { |
| 172 | /* |
| 173 | * Make sure the serial ports are muxed on at this point. |
| 174 | * You have to mux them off in device drivers later on |
| 175 | * if not needed. |
| 176 | */ |
| 177 | platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices)); |
| 178 | omap_board_config = h4_config; |
| 179 | omap_board_config_size = ARRAY_SIZE(h4_config); |
| 180 | omap_serial_init(); |
| 181 | } |
| 182 | |
| 183 | static void __init omap_h4_map_io(void) |
| 184 | { |
Tony Lindgren | 18f49ea | 2006-02-08 22:06:47 +0000 | [diff] [blame^] | 185 | omap2_map_common_io(); |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | MACHINE_START(OMAP_H4, "OMAP2420 H4 board") |
| 189 | /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */ |
Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame] | 190 | .phys_io = 0x48000000, |
| 191 | .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, |
| 192 | .boot_params = 0x80000100, |
| 193 | .map_io = omap_h4_map_io, |
| 194 | .init_irq = omap_h4_init_irq, |
| 195 | .init_machine = omap_h4_init, |
| 196 | .timer = &omap_timer, |
| 197 | MACHINE_END |