| Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * linux/arch/arm/mach-omap1/board-ams-delta.c |
| 3 | * |
| 4 | * Modified from board-generic.c |
| 5 | * |
| 6 | * Board specific inits for the Amstrad E3 (codename Delta) videophone |
| 7 | * |
| 8 | * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/platform_device.h> |
| 18 | |
| 19 | #include <asm/hardware.h> |
| 20 | #include <asm/mach-types.h> |
| 21 | #include <asm/mach/arch.h> |
| 22 | #include <asm/mach/map.h> |
| 23 | |
| 24 | #include <asm/arch/board-ams-delta.h> |
| 25 | #include <asm/arch/gpio.h> |
| 26 | #include <asm/arch/mux.h> |
| 27 | #include <asm/arch/usb.h> |
| 28 | #include <asm/arch/board.h> |
| 29 | #include <asm/arch/common.h> |
| 30 | |
| 31 | static u8 ams_delta_latch1_reg; |
| 32 | static u16 ams_delta_latch2_reg; |
| 33 | |
| 34 | void ams_delta_latch1_write(u8 mask, u8 value) |
| 35 | { |
| 36 | ams_delta_latch1_reg &= ~mask; |
| 37 | ams_delta_latch1_reg |= value; |
| 38 | *(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg; |
| 39 | } |
| 40 | |
| 41 | void ams_delta_latch2_write(u16 mask, u16 value) |
| 42 | { |
| 43 | ams_delta_latch2_reg &= ~mask; |
| 44 | ams_delta_latch2_reg |= value; |
| 45 | *(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg; |
| 46 | } |
| 47 | |
| 48 | static void __init ams_delta_init_irq(void) |
| 49 | { |
| 50 | omap1_init_common_hw(); |
| 51 | omap_init_irq(); |
| 52 | omap_gpio_init(); |
| 53 | } |
| 54 | |
| 55 | static struct map_desc ams_delta_io_desc[] __initdata = { |
| 56 | // AMS_DELTA_LATCH1 |
| 57 | { |
| 58 | .virtual = AMS_DELTA_LATCH1_VIRT, |
| 59 | .pfn = __phys_to_pfn(AMS_DELTA_LATCH1_PHYS), |
| 60 | .length = 0x01000000, |
| 61 | .type = MT_DEVICE |
| 62 | }, |
| 63 | // AMS_DELTA_LATCH2 |
| 64 | { |
| 65 | .virtual = AMS_DELTA_LATCH2_VIRT, |
| 66 | .pfn = __phys_to_pfn(AMS_DELTA_LATCH2_PHYS), |
| 67 | .length = 0x01000000, |
| 68 | .type = MT_DEVICE |
| 69 | }, |
| 70 | // AMS_DELTA_MODEM |
| 71 | { |
| 72 | .virtual = AMS_DELTA_MODEM_VIRT, |
| 73 | .pfn = __phys_to_pfn(AMS_DELTA_MODEM_PHYS), |
| 74 | .length = 0x01000000, |
| 75 | .type = MT_DEVICE |
| 76 | } |
| 77 | }; |
| 78 | |
| 79 | static struct omap_uart_config ams_delta_uart_config __initdata = { |
| 80 | .enabled_uarts = 1, |
| 81 | }; |
| 82 | |
| 83 | static struct omap_board_config_kernel ams_delta_config[] = { |
| 84 | { OMAP_TAG_UART, &ams_delta_uart_config }, |
| 85 | }; |
| 86 | |
| 87 | static void __init ams_delta_init(void) |
| 88 | { |
| 89 | iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc)); |
| 90 | |
| 91 | omap_board_config = ams_delta_config; |
| 92 | omap_board_config_size = ARRAY_SIZE(ams_delta_config); |
| 93 | omap_serial_init(); |
| 94 | |
| 95 | /* Clear latch2 (NAND, LCD, modem enable) */ |
| 96 | ams_delta_latch2_write(~0, 0); |
| 97 | } |
| 98 | |
| 99 | static void __init ams_delta_map_io(void) |
| 100 | { |
| 101 | omap1_map_common_io(); |
| 102 | } |
| 103 | |
| 104 | MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)") |
| 105 | /* Maintainer: Jonathan McDowell <noodles@earth.li> */ |
| 106 | .phys_io = 0xfff00000, |
| 107 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, |
| 108 | .boot_params = 0x10000100, |
| 109 | .map_io = ams_delta_map_io, |
| 110 | .init_irq = ams_delta_init_irq, |
| 111 | .init_machine = ams_delta_init, |
| 112 | .timer = &omap_timer, |
| 113 | MACHINE_END |
| 114 | |
| 115 | EXPORT_SYMBOL(ams_delta_latch1_write); |
| 116 | EXPORT_SYMBOL(ams_delta_latch2_write); |