Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-imx/mx1ads.c |
| 3 | * |
| 4 | * Initially based on: |
| 5 | * linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c |
| 6 | * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de> |
| 7 | * |
| 8 | * 2004 (c) MontaVista Software, Inc. |
| 9 | * |
| 10 | * This file is licensed under the terms of the GNU General Public |
| 11 | * License version 2. This program is licensed "as is" without any |
| 12 | * warranty of any kind, whether express or implied. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/device.h> |
| 16 | #include <linux/init.h> |
Russell King | d052d1b | 2005-10-29 19:07:23 +0100 | [diff] [blame] | 17 | #include <linux/platform_device.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #include <asm/system.h> |
| 19 | #include <asm/hardware.h> |
| 20 | #include <asm/irq.h> |
| 21 | #include <asm/pgtable.h> |
| 22 | #include <asm/page.h> |
| 23 | |
| 24 | #include <asm/mach/map.h> |
| 25 | #include <asm/mach-types.h> |
| 26 | |
| 27 | #include <asm/mach/arch.h> |
Pavel Pisa | d66e35f | 2006-04-02 16:58:38 +0100 | [diff] [blame] | 28 | #include <asm/arch/mmc.h> |
Sascha Hauer | 5b80234 | 2006-05-04 14:07:42 +0100 | [diff] [blame] | 29 | #include <asm/arch/imx-uart.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <linux/interrupt.h> |
| 31 | #include "generic.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | |
Sascha Hauer | 6a2273d | 2006-01-05 20:44:58 +0000 | [diff] [blame] | 33 | static struct resource cs89x0_resources[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | [0] = { |
Sascha Hauer | 6a2273d | 2006-01-05 20:44:58 +0000 | [diff] [blame] | 35 | .start = IMX_CS4_PHYS + 0x300, |
| 36 | .end = IMX_CS4_PHYS + 0x300 + 16, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | .flags = IORESOURCE_MEM, |
| 38 | }, |
| 39 | [1] = { |
Sascha Hauer | 6a2273d | 2006-01-05 20:44:58 +0000 | [diff] [blame] | 40 | .start = IRQ_GPIOC(17), |
| 41 | .end = IRQ_GPIOC(17), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | .flags = IORESOURCE_IRQ, |
| 43 | }, |
| 44 | }; |
| 45 | |
Sascha Hauer | 6a2273d | 2006-01-05 20:44:58 +0000 | [diff] [blame] | 46 | static struct platform_device cs89x0_device = { |
| 47 | .name = "cirrus-cs89x0", |
| 48 | .num_resources = ARRAY_SIZE(cs89x0_resources), |
| 49 | .resource = cs89x0_resources, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | }; |
| 51 | |
Sascha Hauer | 5b80234 | 2006-05-04 14:07:42 +0100 | [diff] [blame] | 52 | static struct imxuart_platform_data uart_pdata = { |
| 53 | .flags = IMXUART_HAVE_RTSCTS, |
| 54 | }; |
| 55 | |
| 56 | static struct resource imx_uart1_resources[] = { |
| 57 | [0] = { |
| 58 | .start = 0x00206000, |
| 59 | .end = 0x002060FF, |
| 60 | .flags = IORESOURCE_MEM, |
| 61 | }, |
| 62 | [1] = { |
| 63 | .start = (UART1_MINT_RX), |
| 64 | .end = (UART1_MINT_RX), |
| 65 | .flags = IORESOURCE_IRQ, |
| 66 | }, |
| 67 | [2] = { |
| 68 | .start = (UART1_MINT_TX), |
| 69 | .end = (UART1_MINT_TX), |
| 70 | .flags = IORESOURCE_IRQ, |
| 71 | }, |
| 72 | }; |
| 73 | |
| 74 | static struct platform_device imx_uart1_device = { |
| 75 | .name = "imx-uart", |
| 76 | .id = 0, |
| 77 | .num_resources = ARRAY_SIZE(imx_uart1_resources), |
| 78 | .resource = imx_uart1_resources, |
| 79 | .dev = { |
| 80 | .platform_data = &uart_pdata, |
| 81 | } |
| 82 | }; |
| 83 | |
| 84 | static struct resource imx_uart2_resources[] = { |
| 85 | [0] = { |
| 86 | .start = 0x00207000, |
| 87 | .end = 0x002070FF, |
| 88 | .flags = IORESOURCE_MEM, |
| 89 | }, |
| 90 | [1] = { |
| 91 | .start = (UART2_MINT_RX), |
| 92 | .end = (UART2_MINT_RX), |
| 93 | .flags = IORESOURCE_IRQ, |
| 94 | }, |
| 95 | [2] = { |
| 96 | .start = (UART2_MINT_TX), |
| 97 | .end = (UART2_MINT_TX), |
| 98 | .flags = IORESOURCE_IRQ, |
| 99 | }, |
| 100 | }; |
| 101 | |
| 102 | static struct platform_device imx_uart2_device = { |
| 103 | .name = "imx-uart", |
| 104 | .id = 1, |
| 105 | .num_resources = ARRAY_SIZE(imx_uart2_resources), |
| 106 | .resource = imx_uart2_resources, |
| 107 | .dev = { |
| 108 | .platform_data = &uart_pdata, |
| 109 | } |
| 110 | }; |
| 111 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | static struct platform_device *devices[] __initdata = { |
Sascha Hauer | 6a2273d | 2006-01-05 20:44:58 +0000 | [diff] [blame] | 113 | &cs89x0_device, |
Sascha Hauer | 5b80234 | 2006-05-04 14:07:42 +0100 | [diff] [blame] | 114 | &imx_uart1_device, |
| 115 | &imx_uart2_device, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | }; |
| 117 | |
Pavel Pisa | d66e35f | 2006-04-02 16:58:38 +0100 | [diff] [blame] | 118 | #ifdef CONFIG_MMC_IMX |
| 119 | static int mx1ads_mmc_card_present(void) |
| 120 | { |
| 121 | /* MMC/SD Card Detect is PB 20 on MX1ADS V1.0.7 */ |
| 122 | return (SSR(1) & (1 << 20) ? 0 : 1); |
| 123 | } |
| 124 | |
| 125 | static struct imxmmc_platform_data mx1ads_mmc_info = { |
| 126 | .card_present = mx1ads_mmc_card_present, |
| 127 | }; |
| 128 | #endif |
| 129 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | static void __init |
| 131 | mx1ads_init(void) |
| 132 | { |
| 133 | #ifdef CONFIG_LEDS |
Sascha Hauer | 0a5b0aa | 2005-10-04 23:17:52 +0100 | [diff] [blame] | 134 | imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | #endif |
Pavel Pisa | d66e35f | 2006-04-02 16:58:38 +0100 | [diff] [blame] | 136 | #ifdef CONFIG_MMC_IMX |
| 137 | /* SD/MMC card detect */ |
| 138 | imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20); |
| 139 | imx_set_mmc_info(&mx1ads_mmc_info); |
| 140 | #endif |
Sascha Hauer | 5b80234 | 2006-05-04 14:07:42 +0100 | [diff] [blame] | 141 | |
| 142 | imx_gpio_mode(PC9_PF_UART1_CTS); |
| 143 | imx_gpio_mode(PC10_PF_UART1_RTS); |
| 144 | imx_gpio_mode(PC11_PF_UART1_TXD); |
| 145 | imx_gpio_mode(PC12_PF_UART1_RXD); |
| 146 | |
| 147 | imx_gpio_mode(PB28_PF_UART2_CTS); |
| 148 | imx_gpio_mode(PB29_PF_UART2_RTS); |
| 149 | imx_gpio_mode(PB30_PF_UART2_TXD); |
| 150 | imx_gpio_mode(PB31_PF_UART2_RXD); |
| 151 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 153 | } |
| 154 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | static void __init |
| 156 | mx1ads_map_io(void) |
| 157 | { |
| 158 | imx_map_io(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | MACHINE_START(MX1ADS, "Motorola MX1ADS") |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 162 | /* Maintainer: Sascha Hauer, Pengutronix */ |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 163 | .phys_io = 0x00200000, |
Sascha Hauer | 216251c | 2006-05-07 18:56:27 +0100 | [diff] [blame] | 164 | .io_pg_offst = ((0xe0000000) >> 18) & 0xfffc, |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 165 | .boot_params = 0x08000100, |
| 166 | .map_io = mx1ads_map_io, |
| 167 | .init_irq = imx_init_irq, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | .timer = &imx_timer, |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 169 | .init_machine = mx1ads_init, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | MACHINE_END |