| Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | */ |
| 18 | |
| 19 | #include <linux/types.h> |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/clk.h> |
| 22 | #include <linux/irq.h> |
| 23 | |
| 24 | #include <mach/hardware.h> |
| 25 | #include <asm/mach-types.h> |
| 26 | #include <asm/mach/arch.h> |
| 27 | #include <asm/mach/time.h> |
| 28 | #include <asm/memory.h> |
| 29 | #include <asm/mach/map.h> |
| 30 | #include <mach/common.h> |
| 31 | #include <mach/board-mx31pdk.h> |
| 32 | #include <mach/imx-uart.h> |
| 33 | #include <mach/iomux-mx3.h> |
| 34 | #include "devices.h" |
| 35 | |
| 36 | /*! |
| 37 | * @file mx31pdk.c |
| 38 | * |
| 39 | * @brief This file contains the board-specific initialization routines. |
| 40 | * |
| 41 | * @ingroup System |
| 42 | */ |
| 43 | |
| 44 | static struct imxuart_platform_data uart_pdata = { |
| 45 | .flags = IMXUART_HAVE_RTSCTS, |
| 46 | }; |
| 47 | |
| 48 | static inline void mxc_init_imx_uart(void) |
| 49 | { |
| 50 | mxc_iomux_mode(MX31_PIN_CTS1__CTS1); |
| 51 | mxc_iomux_mode(MX31_PIN_RTS1__RTS1); |
| 52 | mxc_iomux_mode(MX31_PIN_TXD1__TXD1); |
| 53 | mxc_iomux_mode(MX31_PIN_RXD1__RXD1); |
| 54 | |
| 55 | mxc_register_device(&mxc_uart_device0, &uart_pdata); |
| 56 | } |
| 57 | |
| 58 | /*! |
| 59 | * This structure defines static mappings for the i.MX31PDK board. |
| 60 | */ |
| 61 | static struct map_desc mx31pdk_io_desc[] __initdata = { |
| 62 | { |
| 63 | .virtual = AIPS1_BASE_ADDR_VIRT, |
| 64 | .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), |
| 65 | .length = AIPS1_SIZE, |
| 66 | .type = MT_DEVICE_NONSHARED |
| 67 | }, { |
| 68 | .virtual = AIPS2_BASE_ADDR_VIRT, |
| 69 | .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), |
| 70 | .length = AIPS2_SIZE, |
| 71 | .type = MT_DEVICE_NONSHARED |
| 72 | }, |
| 73 | }; |
| 74 | |
| 75 | /*! |
| 76 | * Set up static virtual mappings. |
| 77 | */ |
| 78 | static void __init mx31pdk_map_io(void) |
| 79 | { |
| 80 | mxc_map_io(); |
| 81 | iotable_init(mx31pdk_io_desc, ARRAY_SIZE(mx31pdk_io_desc)); |
| 82 | } |
| 83 | |
| 84 | /*! |
| 85 | * Board specific initialization. |
| 86 | */ |
| 87 | static void __init mxc_board_init(void) |
| 88 | { |
| 89 | mxc_init_imx_uart(); |
| 90 | } |
| 91 | |
| 92 | static void __init mx31pdk_timer_init(void) |
| 93 | { |
| 94 | mxc_clocks_init(26000000); |
| 95 | mxc_timer_init("ipg_clk.0"); |
| 96 | } |
| 97 | |
| 98 | static struct sys_timer mx31pdk_timer = { |
| 99 | .init = mx31pdk_timer_init, |
| 100 | }; |
| 101 | |
| 102 | /* |
| 103 | * The following uses standard kernel macros defined in arch.h in order to |
| 104 | * initialize __mach_desc_MX31PDK data structure. |
| 105 | */ |
| 106 | MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") |
| 107 | /* Maintainer: Freescale Semiconductor, Inc. */ |
| 108 | .phys_io = AIPS1_BASE_ADDR, |
| 109 | .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, |
| 110 | .boot_params = PHYS_OFFSET + 0x100, |
| 111 | .map_io = mx31pdk_map_io, |
| 112 | .init_irq = mxc_init_irq, |
| 113 | .init_machine = mxc_board_init, |
| 114 | .timer = &mx31pdk_timer, |
| 115 | MACHINE_END |