Paulius Zaleckas | cfca8b5 | 2008-11-14 11:01:38 +0100 | [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/kernel.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/platform_device.h> |
| 18 | #include <linux/mtd/physmap.h> |
| 19 | |
| 20 | #include <asm/mach-types.h> |
| 21 | #include <asm/mach/arch.h> |
| 22 | #include <asm/mach/time.h> |
| 23 | |
| 24 | #include <mach/hardware.h> |
| 25 | #include <mach/common.h> |
| 26 | #include <mach/imx-uart.h> |
Holger Schurig | ccfe30a | 2009-01-29 10:07:50 +0100 | [diff] [blame] | 27 | #include <mach/iomux.h> |
Paulius Zaleckas | cfca8b5 | 2008-11-14 11:01:38 +0100 | [diff] [blame] | 28 | #include "devices.h" |
| 29 | |
| 30 | /* |
| 31 | * UARTs platform data |
| 32 | */ |
| 33 | static int mxc_uart1_pins[] = { |
| 34 | PC9_PF_UART1_CTS, |
| 35 | PC10_PF_UART1_RTS, |
| 36 | PC11_PF_UART1_TXD, |
| 37 | PC12_PF_UART1_RXD, |
| 38 | }; |
| 39 | |
| 40 | static int uart1_mxc_init(struct platform_device *pdev) |
| 41 | { |
| 42 | return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, |
| 43 | ARRAY_SIZE(mxc_uart1_pins), "UART1"); |
| 44 | } |
| 45 | |
| 46 | static int uart1_mxc_exit(struct platform_device *pdev) |
| 47 | { |
| 48 | mxc_gpio_release_multiple_pins(mxc_uart1_pins, |
| 49 | ARRAY_SIZE(mxc_uart1_pins)); |
| 50 | return 0; |
| 51 | } |
| 52 | |
| 53 | static int mxc_uart2_pins[] = { |
| 54 | PB28_PF_UART2_CTS, |
| 55 | PB29_PF_UART2_RTS, |
| 56 | PB30_PF_UART2_TXD, |
| 57 | PB31_PF_UART2_RXD, |
| 58 | }; |
| 59 | |
| 60 | static int uart2_mxc_init(struct platform_device *pdev) |
| 61 | { |
| 62 | return mxc_gpio_setup_multiple_pins(mxc_uart2_pins, |
| 63 | ARRAY_SIZE(mxc_uart2_pins), "UART2"); |
| 64 | } |
| 65 | |
| 66 | static int uart2_mxc_exit(struct platform_device *pdev) |
| 67 | { |
| 68 | mxc_gpio_release_multiple_pins(mxc_uart2_pins, |
| 69 | ARRAY_SIZE(mxc_uart2_pins)); |
| 70 | return 0; |
| 71 | } |
| 72 | |
| 73 | static struct imxuart_platform_data uart_pdata[] = { |
| 74 | { |
| 75 | .init = uart1_mxc_init, |
| 76 | .exit = uart1_mxc_exit, |
| 77 | .flags = IMXUART_HAVE_RTSCTS, |
| 78 | }, { |
| 79 | .init = uart2_mxc_init, |
| 80 | .exit = uart2_mxc_exit, |
| 81 | .flags = IMXUART_HAVE_RTSCTS, |
| 82 | }, |
| 83 | }; |
| 84 | |
| 85 | /* |
| 86 | * Physmap flash |
| 87 | */ |
| 88 | |
| 89 | static struct physmap_flash_data mx1ads_flash_data = { |
| 90 | .width = 4, /* bankwidth in bytes */ |
| 91 | }; |
| 92 | |
| 93 | static struct resource flash_resource = { |
| 94 | .start = IMX_CS0_PHYS, |
| 95 | .end = IMX_CS0_PHYS + SZ_32M - 1, |
| 96 | .flags = IORESOURCE_MEM, |
| 97 | }; |
| 98 | |
| 99 | static struct platform_device flash_device = { |
| 100 | .name = "physmap-flash", |
| 101 | .id = 0, |
| 102 | .resource = &flash_resource, |
| 103 | .num_resources = 1, |
| 104 | }; |
| 105 | |
| 106 | /* |
| 107 | * Board init |
| 108 | */ |
| 109 | static void __init mx1ads_init(void) |
| 110 | { |
| 111 | /* UART */ |
| 112 | mxc_register_device(&imx_uart1_device, &uart_pdata[0]); |
| 113 | mxc_register_device(&imx_uart2_device, &uart_pdata[1]); |
| 114 | |
| 115 | /* Physmap flash */ |
| 116 | mxc_register_device(&flash_device, &mx1ads_flash_data); |
| 117 | } |
| 118 | |
| 119 | static void __init mx1ads_timer_init(void) |
| 120 | { |
Sascha Hauer | 30c730f | 2009-02-16 14:36:49 +0100 | [diff] [blame^] | 121 | mx1_clocks_init(32000); |
Paulius Zaleckas | cfca8b5 | 2008-11-14 11:01:38 +0100 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | struct sys_timer mx1ads_timer = { |
| 125 | .init = mx1ads_timer_init, |
| 126 | }; |
| 127 | |
| 128 | MACHINE_START(MX1ADS, "Freescale MX1ADS") |
| 129 | /* Maintainer: Sascha Hauer, Pengutronix */ |
| 130 | .phys_io = IMX_IO_PHYS, |
| 131 | .io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc, |
| 132 | .boot_params = PHYS_OFFSET + 0x100, |
| 133 | .map_io = mxc_map_io, |
| 134 | .init_irq = mxc_init_irq, |
| 135 | .timer = &mx1ads_timer, |
| 136 | .init_machine = mx1ads_init, |
| 137 | MACHINE_END |
| 138 | |
| 139 | MACHINE_START(MXLADS, "Freescale MXLADS") |
| 140 | .phys_io = IMX_IO_PHYS, |
| 141 | .io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc, |
| 142 | .boot_params = PHYS_OFFSET + 0x100, |
| 143 | .map_io = mxc_map_io, |
| 144 | .init_irq = mxc_init_irq, |
| 145 | .timer = &mx1ads_timer, |
| 146 | .init_machine = mx1ads_init, |
| 147 | MACHINE_END |