arch/arm/mach-mx3/pcm037.c

   1 /*
   2  *  Copyright (C) 2008 Sascha Hauer, Pengutronix
   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
  22 #include <linux/platform_device.h>
  23 #include <linux/mtd/physmap.h>
  24 #include <linux/mtd/plat-ram.h>
  25 #include <linux/memory.h>
  26 #include <linux/gpio.h>
  27 #include <linux/smsc911x.h>
  28 #include <linux/interrupt.h>
  29 #include <linux/i2c.h>
  30 #include <linux/i2c/at24.h>
  31
  32 #include <mach/hardware.h>
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/time.h>
  36 #include <asm/mach/map.h>
  37 #include <mach/common.h>
  38 #include <mach/imx-uart.h>
  39 #include <mach/iomux-mx3.h>
  40 #include <mach/board-pcm037.h>
  41 #include <mach/mxc_nand.h>
  42 #include <mach/mmc.h>
  43 #ifdef CONFIG_I2C_IMX
  44 #include <mach/i2c.h>
  45 #endif
  46
  47 #include "devices.h"
  48
  49 static unsigned int pcm037_pins[] = {
  50         /* I2C */
  51         MX31_PIN_CSPI2_MOSI__SCL,
  52         MX31_PIN_CSPI2_MISO__SDA,
  53         /* SDHC1 */
  54         MX31_PIN_SD1_DATA3__SD1_DATA3,
  55         MX31_PIN_SD1_DATA2__SD1_DATA2,
  56         MX31_PIN_SD1_DATA1__SD1_DATA1,
  57         MX31_PIN_SD1_DATA0__SD1_DATA0,
  58         MX31_PIN_SD1_CLK__SD1_CLK,
  59         MX31_PIN_SD1_CMD__SD1_CMD,
  60         IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO), /* card detect */
  61         IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), /* write protect */
  62         /* SPI1 */
  63         MX31_PIN_CSPI1_MOSI__MOSI,
  64         MX31_PIN_CSPI1_MISO__MISO,
  65         MX31_PIN_CSPI1_SCLK__SCLK,
  66         MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
  67         MX31_PIN_CSPI1_SS0__SS0,
  68         MX31_PIN_CSPI1_SS1__SS1,
  69         MX31_PIN_CSPI1_SS2__SS2,
  70         /* UART1 */
  71         MX31_PIN_CTS1__CTS1,
  72         MX31_PIN_RTS1__RTS1,
  73         MX31_PIN_TXD1__TXD1,
  74         MX31_PIN_RXD1__RXD1,
  75         /* UART2 */
  76         MX31_PIN_TXD2__TXD2,
  77         MX31_PIN_RXD2__RXD2,
  78         MX31_PIN_CTS2__CTS2,
  79         MX31_PIN_RTS2__RTS2,
  80         /* UART3 */
  81         MX31_PIN_CSPI3_MOSI__RXD3,
  82         MX31_PIN_CSPI3_MISO__TXD3,
  83         MX31_PIN_CSPI3_SCLK__RTS3,
  84         MX31_PIN_CSPI3_SPI_RDY__CTS3,
  85         /* LAN9217 irq pin */
  86         IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
  87         /* Onewire */
  88         MX31_PIN_BATT_LINE__OWIRE,
  89         /* Framebuffer */
  90         MX31_PIN_LD0__LD0,
  91         MX31_PIN_LD1__LD1,
  92         MX31_PIN_LD2__LD2,
  93         MX31_PIN_LD3__LD3,
  94         MX31_PIN_LD4__LD4,
  95         MX31_PIN_LD5__LD5,
  96         MX31_PIN_LD6__LD6,
  97         MX31_PIN_LD7__LD7,
  98         MX31_PIN_LD8__LD8,
  99         MX31_PIN_LD9__LD9,
 100         MX31_PIN_LD10__LD10,
 101         MX31_PIN_LD11__LD11,
 102         MX31_PIN_LD12__LD12,
 103         MX31_PIN_LD13__LD13,
 104         MX31_PIN_LD14__LD14,
 105         MX31_PIN_LD15__LD15,
 106         MX31_PIN_LD16__LD16,
 107         MX31_PIN_LD17__LD17,
 108         MX31_PIN_VSYNC3__VSYNC3,
 109         MX31_PIN_HSYNC__HSYNC,
 110         MX31_PIN_FPSHIFT__FPSHIFT,
 111         MX31_PIN_DRDY0__DRDY0,
 112         MX31_PIN_D3_REV__D3_REV,
 113         MX31_PIN_CONTRAST__CONTRAST,
 114         MX31_PIN_D3_SPL__D3_SPL,
 115         MX31_PIN_D3_CLS__D3_CLS,
 116         MX31_PIN_LCS0__GPI03_23,
 117 };
 118
 119 static struct physmap_flash_data pcm037_flash_data = {
 120         .width  = 2,
 121 };
 122
 123 static struct resource pcm037_flash_resource = {
 124         .start  = 0xa0000000,
 125         .end    = 0xa1ffffff,
 126         .flags  = IORESOURCE_MEM,
 127 };
 128
 129 static struct platform_device pcm037_flash = {
 130         .name   = "physmap-flash",
 131         .id     = 0,
 132         .dev    = {
 133                 .platform_data  = &pcm037_flash_data,
 134         },
 135         .resource = &pcm037_flash_resource,
 136         .num_resources = 1,
 137 };
 138
 139 static struct imxuart_platform_data uart_pdata = {
 140         .flags = IMXUART_HAVE_RTSCTS,
 141 };
 142
 143 static struct resource smsc911x_resources[] = {
 144         [0] = {
 145                 .start          = CS1_BASE_ADDR + 0x300,
 146                 .end            = CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
 147                 .flags          = IORESOURCE_MEM,
 148         },
 149         [1] = {
 150                 .start          = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
 151                 .end            = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
 152                 .flags          = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 153         },
 154 };
 155
 156 static struct smsc911x_platform_config smsc911x_info = {
 157         .flags          = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY |
 158                           SMSC911X_SAVE_MAC_ADDRESS,
 159         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 160         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 161         .phy_interface  = PHY_INTERFACE_MODE_MII,
 162 };
 163
 164 static struct platform_device pcm037_eth = {
 165         .name           = "smsc911x",
 166         .id             = -1,
 167         .num_resources  = ARRAY_SIZE(smsc911x_resources),
 168         .resource       = smsc911x_resources,
 169         .dev            = {
 170                 .platform_data = &smsc911x_info,
 171         },
 172 };
 173
 174 static struct platdata_mtd_ram pcm038_sram_data = {
 175         .bankwidth = 2,
 176 };
 177
 178 static struct resource pcm038_sram_resource = {
 179         .start = CS4_BASE_ADDR,
 180         .end   = CS4_BASE_ADDR + 512 * 1024 - 1,
 181         .flags = IORESOURCE_MEM,
 182 };
 183
 184 static struct platform_device pcm037_sram_device = {
 185         .name = "mtd-ram",
 186         .id = 0,
 187         .dev = {
 188                 .platform_data = &pcm038_sram_data,
 189         },
 190         .num_resources = 1,
 191         .resource = &pcm038_sram_resource,
 192 };
 193
 194 static struct mxc_nand_platform_data pcm037_nand_board_info = {
 195         .width = 1,
 196         .hw_ecc = 1,
 197 };
 198
 199 #ifdef CONFIG_I2C_IMX
 200 static struct imxi2c_platform_data pcm037_i2c_1_data = {
 201         .bitrate = 100000,
 202 };
 203
 204 static struct at24_platform_data board_eeprom = {
 205         .byte_len = 4096,
 206         .page_size = 32,
 207         .flags = AT24_FLAG_ADDR16,
 208 };
 209
 210 static struct i2c_board_info pcm037_i2c_devices[] = {
 211        {
 212                 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
 213                 .platform_data = &board_eeprom,
 214         }, {
 215                 I2C_BOARD_INFO("rtc-pcf8563", 0x51),
 216                 .type = "pcf8563",
 217         }
 218 };
 219 #endif
 220
 221 static int pcm970_sdhc1_init(struct device *dev, irq_handler_t h, void *data)
 222 {
 223         return 0;
 224 }
 225
 226 static void pcm970_sdhc1_exit(struct device *dev, void *data)
 227 {
 228 }
 229
 230 /* No card and rw detection at the moment */
 231 static struct imxmmc_platform_data sdhc_pdata = {
 232         .init = pcm970_sdhc1_init,
 233         .exit = pcm970_sdhc1_exit,
 234 };
 235
 236 static struct platform_device *devices[] __initdata = {
 237         &pcm037_flash,
 238         &pcm037_eth,
 239         &pcm037_sram_device,
 240 };
 241
 242 /*
 243  * Board specific initialization.
 244  */
 245 static void __init mxc_board_init(void)
 246 {
 247         mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
 248                         "pcm037");
 249
 250         platform_add_devices(devices, ARRAY_SIZE(devices));
 251
 252         mxc_register_device(&mxc_uart_device0, &uart_pdata);
 253         mxc_register_device(&mxc_uart_device2, &uart_pdata);
 254
 255         mxc_register_device(&mxc_w1_master_device, NULL);
 256
 257         /* LAN9217 IRQ pin */
 258         gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
 259
 260 #ifdef CONFIG_I2C_IMX
 261         i2c_register_board_info(1, pcm037_i2c_devices,
 262                         ARRAY_SIZE(pcm037_i2c_devices));
 263
 264         mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
 265 #endif
 266         mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
 267         mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
 268 }
 269
 270 static void __init pcm037_timer_init(void)
 271 {
 272         mx31_clocks_init(26000000);
 273 }
 274
 275 struct sys_timer pcm037_timer = {
 276         .init   = pcm037_timer_init,
 277 };
 278
 279 MACHINE_START(PCM037, "Phytec Phycore pcm037")
 280         /* Maintainer: Pengutronix */
 281         .phys_io        = AIPS1_BASE_ADDR,
 282         .io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 283         .boot_params    = PHYS_OFFSET + 0x100,
 284         .map_io         = mxc_map_io,
 285         .init_irq       = mxc_init_irq,
 286         .init_machine   = mxc_board_init,
 287         .timer          = &pcm037_timer,
 288 MACHINE_END
 289