git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 4138b740 KM |
1 | /* |
| 2 | * Copyright (C) 2009 Renesas Solutions Corp. | |
| 3 | * | |
| 4 | * Kuninori Morimoto <morimoto.kuninori@renesas.com> | |
| 5 | * | |
| 6 | * This file is subject to the terms and conditions of the GNU General Public | |
| 7 | * License. See the file "COPYING" in the main directory of this archive | |
| 8 | * for more details. | |
| 9 | */ | |
| 10 | ||
| 11 | #include <linux/init.h> | |
| 12 | #include <linux/device.h> | |
| 13 | #include <linux/platform_device.h> | |
| 14 | #include <linux/mtd/physmap.h> | |
| 15 | #include <linux/gpio.h> | |
| 16 | #include <linux/interrupt.h> | |
| 17 | #include <asm/io.h> | |
| 18 | #include <asm/heartbeat.h> | |
| 19 | #include <cpu/sh7724.h> | |
| 20 | ||
| 21 | /* | |
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22 | * Address Interface BusWidth |
| 23 | *----------------------------------------- | |
| 24 | * 0x0000_0000 uboot 16bit | |
| 25 | * 0x0004_0000 Linux romImage 16bit | |
| 26 | * 0x0014_0000 MTD for Linux 16bit | |
| 27 | * 0x0400_0000 Internal I/O 16/32bit | |
| 28 | * 0x0800_0000 DRAM 32bit | |
| 29 | * 0x1800_0000 MFI 16bit | |
| 4138b740 KM |
30 | */ |
| 31 | ||
| 32 | /* Heartbeat */ | |
| 33 | static unsigned char led_pos[] = { 0, 1, 2, 3 }; | |
| 34 | static struct heartbeat_data heartbeat_data = { | |
| 35 | .regsize = 8, | |
| 36 | .nr_bits = 4, | |
| 37 | .bit_pos = led_pos, | |
| 38 | }; | |
| 39 | ||
| 40 | static struct resource heartbeat_resources[] = { | |
| 41 | [0] = { | |
| 42 | .start = 0xA405012C, /* PTG */ | |
| 43 | .end = 0xA405012E - 1, | |
| 44 | .flags = IORESOURCE_MEM, | |
| 45 | }, | |
| 46 | }; | |
| 47 | ||
| 48 | static struct platform_device heartbeat_device = { | |
| 49 | .name = "heartbeat", | |
| 50 | .id = -1, | |
| 51 | .dev = { | |
| 52 | .platform_data = &heartbeat_data, | |
| 53 | }, | |
| 54 | .num_resources = ARRAY_SIZE(heartbeat_resources), | |
| 55 | .resource = heartbeat_resources, | |
| 56 | }; | |
| 57 | ||
| 58 | /* MTD */ | |
| 59 | static struct mtd_partition nor_flash_partitions[] = { | |
| 60 | { | |
| b7056bc1 | 61 | .name = "boot loader", |
| 4138b740 | 62 | .offset = 0, |
| b7056bc1 | 63 | .size = (5 * 1024 * 1024), |
| 4138b740 | 64 | .mask_flags = MTD_CAP_ROM, |
| 4138b740 KM |
65 | }, { |
| 66 | .name = "free-area", | |
| 67 | .offset = MTDPART_OFS_APPEND, | |
| 68 | .size = MTDPART_SIZ_FULL, | |
| 69 | }, | |
| 70 | }; | |
| 71 | ||
| 72 | static struct physmap_flash_data nor_flash_data = { | |
| 73 | .width = 2, | |
| 74 | .parts = nor_flash_partitions, | |
| 75 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), | |
| 76 | }; | |
| 77 | ||
| 78 | static struct resource nor_flash_resources[] = { | |
| 79 | [0] = { | |
| 80 | .name = "NOR Flash", | |
| 81 | .start = 0x00000000, | |
| 82 | .end = 0x03ffffff, | |
| 83 | .flags = IORESOURCE_MEM, | |
| 84 | } | |
| 85 | }; | |
| 86 | ||
| 87 | static struct platform_device nor_flash_device = { | |
| 88 | .name = "physmap-flash", | |
| 89 | .resource = nor_flash_resources, | |
| 90 | .num_resources = ARRAY_SIZE(nor_flash_resources), | |
| 91 | .dev = { | |
| 92 | .platform_data = &nor_flash_data, | |
| 93 | }, | |
| 94 | }; | |
| 95 | ||
| 96 | static struct platform_device *ecovec_devices[] __initdata = { | |
| 97 | &heartbeat_device, | |
| 98 | &nor_flash_device, | |
| 99 | }; | |
| 100 | ||
| 101 | static int __init devices_setup(void) | |
| 102 | { | |
| 103 | /* enable SCIFA0 */ | |
| 104 | gpio_request(GPIO_FN_SCIF0_TXD, NULL); | |
| 105 | gpio_request(GPIO_FN_SCIF0_RXD, NULL); | |
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106 | |
| 107 | /* enable debug LED */ | |
| 108 | gpio_request(GPIO_PTG0, NULL); | |
| 109 | gpio_request(GPIO_PTG1, NULL); | |
| 110 | gpio_request(GPIO_PTG2, NULL); | |
| 111 | gpio_request(GPIO_PTG3, NULL); | |
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112 | gpio_direction_output(GPIO_PTG0, 0); |
| 113 | gpio_direction_output(GPIO_PTG1, 0); | |
| 114 | gpio_direction_output(GPIO_PTG2, 0); | |
| 115 | gpio_direction_output(GPIO_PTG3, 0); | |
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116 | |
| 117 | return platform_add_devices(ecovec_devices, | |
| 118 | ARRAY_SIZE(ecovec_devices)); | |
| 119 | } | |
| 120 | device_initcall(devices_setup); | |
| 121 | ||
| 122 | static struct sh_machine_vector mv_ecovec __initmv = { | |
| 123 | .mv_name = "R0P7724 (EcoVec)", | |
| 124 | }; |