1/* 2 * Copyright 2009 Sascha Hauer, <kernel@pengutronix.de> 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 2 7 * of the License, or (at your option) any later version. 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program; if not, write to the Free Software 15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 16 * Boston, MA 02110-1301, USA. 17 */ 18 19/* 20 * This machine is known as: 21 * - i.MX25 3-Stack Development System 22 * - i.MX25 Platform Development Kit (i.MX25 PDK) 23 */ 24 25#include <linux/types.h> 26#include <linux/init.h> 27#include <linux/delay.h> 28#include <linux/clk.h> 29#include <linux/irq.h> 30#include <linux/gpio.h> 31#include <linux/fec.h> 32#include <linux/platform_device.h> 33#include <linux/input/matrix_keypad.h> 34 35#include <mach/hardware.h> 36#include <asm/mach-types.h> 37#include <asm/mach/arch.h> 38#include <asm/mach/time.h> 39#include <asm/memory.h> 40#include <asm/mach/map.h> 41#include <mach/common.h> 42#include <mach/mx25.h> 43#include <mach/imxfb.h> 44#include <mach/iomux-mx25.h> 45 46#include "devices-imx25.h" 47#include "devices.h" 48 49static const struct imxuart_platform_data uart_pdata __initconst = { 50 .flags = IMXUART_HAVE_RTSCTS, 51}; 52 53static struct pad_desc mx25pdk_pads[] = { 54 MX25_PAD_FEC_MDC__FEC_MDC, 55 MX25_PAD_FEC_MDIO__FEC_MDIO, 56 MX25_PAD_FEC_TDATA0__FEC_TDATA0, 57 MX25_PAD_FEC_TDATA1__FEC_TDATA1, 58 MX25_PAD_FEC_TX_EN__FEC_TX_EN, 59 MX25_PAD_FEC_RDATA0__FEC_RDATA0, 60 MX25_PAD_FEC_RDATA1__FEC_RDATA1, 61 MX25_PAD_FEC_RX_DV__FEC_RX_DV, 62 MX25_PAD_FEC_TX_CLK__FEC_TX_CLK, 63 MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */ 64 MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */ 65 66 /* LCD */ 67 MX25_PAD_LD0__LD0, 68 MX25_PAD_LD1__LD1, 69 MX25_PAD_LD2__LD2, 70 MX25_PAD_LD3__LD3, 71 MX25_PAD_LD4__LD4, 72 MX25_PAD_LD5__LD5, 73 MX25_PAD_LD6__LD6, 74 MX25_PAD_LD7__LD7, 75 MX25_PAD_LD8__LD8, 76 MX25_PAD_LD9__LD9, 77 MX25_PAD_LD10__LD10, 78 MX25_PAD_LD11__LD11, 79 MX25_PAD_LD12__LD12, 80 MX25_PAD_LD13__LD13, 81 MX25_PAD_LD14__LD14, 82 MX25_PAD_LD15__LD15, 83 MX25_PAD_GPIO_E__LD16, 84 MX25_PAD_GPIO_F__LD17, 85 MX25_PAD_HSYNC__HSYNC, 86 MX25_PAD_VSYNC__VSYNC, 87 MX25_PAD_LSCLK__LSCLK, 88 MX25_PAD_OE_ACD__OE_ACD, 89 MX25_PAD_CONTRAST__CONTRAST, 90 91 /* Keypad */ 92 MX25_PAD_KPP_ROW0__KPP_ROW0, 93 MX25_PAD_KPP_ROW1__KPP_ROW1, 94 MX25_PAD_KPP_ROW2__KPP_ROW2, 95 MX25_PAD_KPP_ROW3__KPP_ROW3, 96 MX25_PAD_KPP_COL0__KPP_COL0, 97 MX25_PAD_KPP_COL1__KPP_COL1, 98 MX25_PAD_KPP_COL2__KPP_COL2, 99 MX25_PAD_KPP_COL3__KPP_COL3, 100}; 101 102static struct fec_platform_data mx25_fec_pdata = { 103 .phy = PHY_INTERFACE_MODE_RMII, 104}; 105 106#define FEC_ENABLE_GPIO 35 107#define FEC_RESET_B_GPIO 104 108 109static void __init mx25pdk_fec_reset(void) 110{ 111 gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable"); 112 gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset"); 113 114 gpio_direction_output(FEC_ENABLE_GPIO, 0); /* drop PHY power */ 115 gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */ 116 udelay(2); 117 118 /* turn on PHY power and lift reset */ 119 gpio_set_value(FEC_ENABLE_GPIO, 1); 120 gpio_set_value(FEC_RESET_B_GPIO, 1); 121} 122 123static const struct mxc_nand_platform_data 124mx25pdk_nand_board_info __initconst = { 125 .width = 1, 126 .hw_ecc = 1, 127 .flash_bbt = 1, 128}; 129 130static struct imx_fb_videomode mx25pdk_modes[] = { 131 { 132 .mode = { 133 .name = "CRT-VGA", 134 .refresh = 60, 135 .xres = 640, 136 .yres = 480, 137 .pixclock = 39683, 138 .left_margin = 45, 139 .right_margin = 114, 140 .upper_margin = 33, 141 .lower_margin = 11, 142 .hsync_len = 1, 143 .vsync_len = 1, 144 }, 145 .bpp = 16, 146 .pcr = 0xFA208B80, 147 }, 148}; 149 150static struct imx_fb_platform_data mx25pdk_fb_pdata = { 151 .mode = mx25pdk_modes, 152 .num_modes = ARRAY_SIZE(mx25pdk_modes), 153 .pwmr = 0x00A903FF, 154 .lscr1 = 0x00120300, 155 .dmacr = 0x00020010, 156}; 157 158static const uint32_t mx25pdk_keymap[] = { 159 KEY(0, 0, KEY_UP), 160 KEY(0, 1, KEY_DOWN), 161 KEY(0, 2, KEY_VOLUMEDOWN), 162 KEY(0, 3, KEY_HOME), 163 KEY(1, 0, KEY_RIGHT), 164 KEY(1, 1, KEY_LEFT), 165 KEY(1, 2, KEY_ENTER), 166 KEY(1, 3, KEY_VOLUMEUP), 167 KEY(2, 0, KEY_F6), 168 KEY(2, 1, KEY_F8), 169 KEY(2, 2, KEY_F9), 170 KEY(2, 3, KEY_F10), 171 KEY(3, 0, KEY_F1), 172 KEY(3, 1, KEY_F2), 173 KEY(3, 2, KEY_F3), 174 KEY(3, 3, KEY_POWER), 175}; 176 177static struct matrix_keymap_data mx25pdk_keymap_data = { 178 .keymap = mx25pdk_keymap, 179 .keymap_size = ARRAY_SIZE(mx25pdk_keymap), 180}; 181 182static void __init mx25pdk_init(void) 183{ 184 mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads, 185 ARRAY_SIZE(mx25pdk_pads)); 186 187 imx25_add_imx_uart0(&uart_pdata); 188 mxc_register_device(&mxc_usbh2, NULL); 189 imx25_add_mxc_nand(&mx25pdk_nand_board_info); 190 mxc_register_device(&mx25_rtc_device, NULL); 191 mxc_register_device(&mx25_fb_device, &mx25pdk_fb_pdata); 192 mxc_register_device(&mxc_wdt, NULL); 193 194 mx25pdk_fec_reset(); 195 mxc_register_device(&mx25_fec_device, &mx25_fec_pdata); 196 mxc_register_device(&mx25_kpp_device, &mx25pdk_keymap_data); 197} 198 199static void __init mx25pdk_timer_init(void) 200{ 201 mx25_clocks_init(); 202} 203 204static struct sys_timer mx25pdk_timer = { 205 .init = mx25pdk_timer_init, 206}; 207 208MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)") 209 /* Maintainer: Freescale Semiconductor, Inc. */ 210 .phys_io = MX25_AIPS1_BASE_ADDR, 211 .io_pg_offst = ((MX25_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, 212 .boot_params = MX25_PHYS_OFFSET + 0x100, 213 .map_io = mx25_map_io, 214 .init_irq = mx25_init_irq, 215 .init_machine = mx25pdk_init, 216 .timer = &mx25pdk_timer, 217MACHINE_END 218