1/* 2 * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. 3 * Copyright (C) 2010 Jason Wang <jason77.wang@gmail.com> 4 * 5 * The code contained herein is licensed under the GNU General Public 6 * License. You may obtain a copy of the GNU General Public License 7 * Version 2 or later at the following locations: 8 * 9 * http://www.opensource.org/licenses/gpl-license.html 10 * http://www.gnu.org/copyleft/gpl.html 11 */ 12 13#include <linux/irq.h> 14#include <linux/platform_device.h> 15#include <linux/input/matrix_keypad.h> 16 17#include <asm/mach-types.h> 18#include <asm/mach/arch.h> 19#include <asm/mach/time.h> 20 21#include <mach/hardware.h> 22#include <mach/common.h> 23#include <mach/iomux-mx51.h> 24#include <mach/imx-uart.h> 25#include <mach/3ds_debugboard.h> 26 27#include "devices.h" 28 29#define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 6) 30 31static struct pad_desc mx51_3ds_pads[] = { 32 /* UART1 */ 33 MX51_PAD_UART1_RXD__UART1_RXD, 34 MX51_PAD_UART1_TXD__UART1_TXD, 35 MX51_PAD_UART1_RTS__UART1_RTS, 36 MX51_PAD_UART1_CTS__UART1_CTS, 37 38 /* UART2 */ 39 MX51_PAD_UART2_RXD__UART2_RXD, 40 MX51_PAD_UART2_TXD__UART2_TXD, 41 MX51_PAD_EIM_D25__UART2_CTS, 42 MX51_PAD_EIM_D26__UART2_RTS, 43 44 /* UART3 */ 45 MX51_PAD_UART3_RXD__UART3_RXD, 46 MX51_PAD_UART3_TXD__UART3_TXD, 47 MX51_PAD_EIM_D24__UART3_CTS, 48 MX51_PAD_EIM_D27__UART3_RTS, 49 50 /* CPLD PARENT IRQ PIN */ 51 MX51_PAD_GPIO_1_6__GPIO_1_6, 52 53 /* KPP */ 54 MX51_PAD_KEY_ROW0__KEY_ROW0, 55 MX51_PAD_KEY_ROW1__KEY_ROW1, 56 MX51_PAD_KEY_ROW2__KEY_ROW2, 57 MX51_PAD_KEY_ROW3__KEY_ROW3, 58 MX51_PAD_KEY_COL0__KEY_COL0, 59 MX51_PAD_KEY_COL1__KEY_COL1, 60 MX51_PAD_KEY_COL2__KEY_COL2, 61 MX51_PAD_KEY_COL3__KEY_COL3, 62 MX51_PAD_KEY_COL4__KEY_COL4, 63 MX51_PAD_KEY_COL5__KEY_COL5, 64}; 65 66/* Serial ports */ 67#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE) 68static struct imxuart_platform_data uart_pdata = { 69 .flags = IMXUART_HAVE_RTSCTS, 70}; 71 72static inline void mxc_init_imx_uart(void) 73{ 74 mxc_register_device(&mxc_uart_device0, &uart_pdata); 75 mxc_register_device(&mxc_uart_device1, &uart_pdata); 76 mxc_register_device(&mxc_uart_device2, &uart_pdata); 77} 78#else /* !SERIAL_IMX */ 79static inline void mxc_init_imx_uart(void) 80{ 81} 82#endif /* SERIAL_IMX */ 83 84#if defined(CONFIG_KEYBOARD_IMX) || defined(CONFIG_KEYBOARD_IMX_MODULE) 85static int mx51_3ds_board_keymap[] = { 86 KEY(0, 0, KEY_1), 87 KEY(0, 1, KEY_2), 88 KEY(0, 2, KEY_3), 89 KEY(0, 3, KEY_F1), 90 KEY(0, 4, KEY_UP), 91 KEY(0, 5, KEY_F2), 92 93 KEY(1, 0, KEY_4), 94 KEY(1, 1, KEY_5), 95 KEY(1, 2, KEY_6), 96 KEY(1, 3, KEY_LEFT), 97 KEY(1, 4, KEY_SELECT), 98 KEY(1, 5, KEY_RIGHT), 99 100 KEY(2, 0, KEY_7), 101 KEY(2, 1, KEY_8), 102 KEY(2, 2, KEY_9), 103 KEY(2, 3, KEY_F3), 104 KEY(2, 4, KEY_DOWN), 105 KEY(2, 5, KEY_F4), 106 107 KEY(3, 0, KEY_0), 108 KEY(3, 1, KEY_OK), 109 KEY(3, 2, KEY_ESC), 110 KEY(3, 3, KEY_ENTER), 111 KEY(3, 4, KEY_MENU), 112 KEY(3, 5, KEY_BACK) 113}; 114 115static struct matrix_keymap_data mx51_3ds_map_data = { 116 .keymap = mx51_3ds_board_keymap, 117 .keymap_size = ARRAY_SIZE(mx51_3ds_board_keymap), 118}; 119 120static void mxc_init_keypad(void) 121{ 122 mxc_register_device(&mxc_keypad_device, &mx51_3ds_map_data); 123} 124#else 125static inline void mxc_init_keypad(void) 126{ 127} 128#endif 129 130/* 131 * Board specific initialization. 132 */ 133static void __init mxc_board_init(void) 134{ 135 mxc_iomux_v3_setup_multiple_pads(mx51_3ds_pads, 136 ARRAY_SIZE(mx51_3ds_pads)); 137 mxc_init_imx_uart(); 138 139 if (mxc_expio_init(MX51_CS5_BASE_ADDR, EXPIO_PARENT_INT)) 140 printk(KERN_WARNING "Init of the debugboard failed, all " 141 "devices on the board are unusable.\n"); 142 143 mxc_init_keypad(); 144} 145 146static void __init mx51_3ds_timer_init(void) 147{ 148 mx51_clocks_init(32768, 24000000, 22579200, 0); 149} 150 151static struct sys_timer mxc_timer = { 152 .init = mx51_3ds_timer_init, 153}; 154 155MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board") 156 /* Maintainer: Freescale Semiconductor, Inc. */ 157 .phys_io = MX51_AIPS1_BASE_ADDR, 158 .io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, 159 .boot_params = PHYS_OFFSET + 0x100, 160 .map_io = mx51_map_io, 161 .init_irq = mx51_init_irq, 162 .init_machine = mxc_board_init, 163 .timer = &mxc_timer, 164MACHINE_END 165