arch/arm/mach-mx2/mach-cpuimx27.c

   1 /*
   2  * Copyright (C) 2009 Eric Benard - eric@eukrea.com
   3  *
   4  * Based on pcm038.c which is :
   5  * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
   6  * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2
  11  * of the License, or (at your option) any later version.
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  20  * MA 02110-1301, USA.
  21  */
  22
  23 #include <linux/i2c.h>
  24 #include <linux/io.h>
  25 #include <linux/mtd/plat-ram.h>
  26 #include <linux/mtd/physmap.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/serial_8250.h>
  29 #include <linux/usb/otg.h>
  30 #include <linux/usb/ulpi.h>
  31 #include <linux/fsl_devices.h>
  32
  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
  38 #include <mach/board-eukrea_cpuimx27.h>
  39 #include <mach/common.h>
  40 #include <mach/hardware.h>
  41 #include <mach/i2c.h>
  42 #include <mach/iomux-mx27.h>
  43 #include <mach/imx-uart.h>
  44 #include <mach/mxc_nand.h>
  45 #include <mach/mxc_ehci.h>
  46 #include <mach/ulpi.h>
  47
  48 #include "devices.h"
  49
  50 static int eukrea_cpuimx27_pins[] = {
  51         /* UART1 */
  52         PE12_PF_UART1_TXD,
  53         PE13_PF_UART1_RXD,
  54         PE14_PF_UART1_CTS,
  55         PE15_PF_UART1_RTS,
  56         /* UART4 */
  57 #if defined(MACH_EUKREA_CPUIMX27_USEUART4)
  58         PB26_AF_UART4_RTS,
  59         PB28_AF_UART4_TXD,
  60         PB29_AF_UART4_CTS,
  61         PB31_AF_UART4_RXD,
  62 #endif
  63         /* FEC */
  64         PD0_AIN_FEC_TXD0,
  65         PD1_AIN_FEC_TXD1,
  66         PD2_AIN_FEC_TXD2,
  67         PD3_AIN_FEC_TXD3,
  68         PD4_AOUT_FEC_RX_ER,
  69         PD5_AOUT_FEC_RXD1,
  70         PD6_AOUT_FEC_RXD2,
  71         PD7_AOUT_FEC_RXD3,
  72         PD8_AF_FEC_MDIO,
  73         PD9_AIN_FEC_MDC,
  74         PD10_AOUT_FEC_CRS,
  75         PD11_AOUT_FEC_TX_CLK,
  76         PD12_AOUT_FEC_RXD0,
  77         PD13_AOUT_FEC_RX_DV,
  78         PD14_AOUT_FEC_RX_CLK,
  79         PD15_AOUT_FEC_COL,
  80         PD16_AIN_FEC_TX_ER,
  81         PF23_AIN_FEC_TX_EN,
  82         /* I2C1 */
  83         PD17_PF_I2C_DATA,
  84         PD18_PF_I2C_CLK,
  85         /* SDHC2 */
  86 #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
  87         PB4_PF_SD2_D0,
  88         PB5_PF_SD2_D1,
  89         PB6_PF_SD2_D2,
  90         PB7_PF_SD2_D3,
  91         PB8_PF_SD2_CMD,
  92         PB9_PF_SD2_CLK,
  93 #endif
  94 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
  95         /* Quad UART's IRQ */
  96         GPIO_PORTB | 22 | GPIO_GPIO | GPIO_IN,
  97         GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN,
  98         GPIO_PORTB | 27 | GPIO_GPIO | GPIO_IN,
  99         GPIO_PORTB | 30 | GPIO_GPIO | GPIO_IN,
 100 #endif
 101         /* OTG */
 102         PC7_PF_USBOTG_DATA5,
 103         PC8_PF_USBOTG_DATA6,
 104         PC9_PF_USBOTG_DATA0,
 105         PC10_PF_USBOTG_DATA2,
 106         PC11_PF_USBOTG_DATA1,
 107         PC12_PF_USBOTG_DATA4,
 108         PC13_PF_USBOTG_DATA3,
 109         PE0_PF_USBOTG_NXT,
 110         PE1_PF_USBOTG_STP,
 111         PE2_PF_USBOTG_DIR,
 112         PE24_PF_USBOTG_CLK,
 113         PE25_PF_USBOTG_DATA7,
 114         /* USBH2 */
 115         PA0_PF_USBH2_CLK,
 116         PA1_PF_USBH2_DIR,
 117         PA2_PF_USBH2_DATA7,
 118         PA3_PF_USBH2_NXT,
 119         PA4_PF_USBH2_STP,
 120         PD19_AF_USBH2_DATA4,
 121         PD20_AF_USBH2_DATA3,
 122         PD21_AF_USBH2_DATA6,
 123         PD22_AF_USBH2_DATA0,
 124         PD23_AF_USBH2_DATA2,
 125         PD24_AF_USBH2_DATA1,
 126         PD26_AF_USBH2_DATA5,
 127 };
 128
 129 static struct physmap_flash_data eukrea_cpuimx27_flash_data = {
 130         .width = 2,
 131 };
 132
 133 static struct resource eukrea_cpuimx27_flash_resource = {
 134         .start = 0xc0000000,
 135         .end   = 0xc3ffffff,
 136         .flags = IORESOURCE_MEM,
 137 };
 138
 139 static struct platform_device eukrea_cpuimx27_nor_mtd_device = {
 140         .name = "physmap-flash",
 141         .id = 0,
 142         .dev = {
 143                 .platform_data = &eukrea_cpuimx27_flash_data,
 144         },
 145         .num_resources = 1,
 146         .resource = &eukrea_cpuimx27_flash_resource,
 147 };
 148
 149 static struct imxuart_platform_data uart_pdata[] = {
 150         {
 151                 .flags = IMXUART_HAVE_RTSCTS,
 152         }, {
 153                 .flags = IMXUART_HAVE_RTSCTS,
 154         },
 155 };
 156
 157 static struct mxc_nand_platform_data eukrea_cpuimx27_nand_board_info = {
 158         .width = 1,
 159         .hw_ecc = 1,
 160 };
 161
 162 static struct platform_device *platform_devices[] __initdata = {
 163         &eukrea_cpuimx27_nor_mtd_device,
 164         &mxc_fec_device,
 165         &mxc_wdt,
 166         &mxc_w1_master_device,
 167 };
 168
 169 static struct imxi2c_platform_data eukrea_cpuimx27_i2c_1_data = {
 170         .bitrate = 100000,
 171 };
 172
 173 static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = {
 174         {
 175                 I2C_BOARD_INFO("pcf8563", 0x51),
 176         },
 177 };
 178
 179 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
 180 static struct plat_serial8250_port serial_platform_data[] = {
 181         {
 182                 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x200000),
 183                 .irq = IRQ_GPIOB(23),
 184                 .uartclk = 14745600,
 185                 .regshift = 1,
 186                 .iotype = UPIO_MEM,
 187                 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
 188         }, {
 189                 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x400000),
 190                 .irq = IRQ_GPIOB(22),
 191                 .uartclk = 14745600,
 192                 .regshift = 1,
 193                 .iotype = UPIO_MEM,
 194                 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
 195         }, {
 196                 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x800000),
 197                 .irq = IRQ_GPIOB(27),
 198                 .uartclk = 14745600,
 199                 .regshift = 1,
 200                 .iotype = UPIO_MEM,
 201                 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
 202         }, {
 203                 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x1000000),
 204                 .irq = IRQ_GPIOB(30),
 205                 .uartclk = 14745600,
 206                 .regshift = 1,
 207                 .iotype = UPIO_MEM,
 208                 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
 209         }, {
 210         }
 211 };
 212
 213 static struct platform_device serial_device = {
 214         .name = "serial8250",
 215         .id = 0,
 216         .dev = {
 217                 .platform_data = serial_platform_data,
 218         },
 219 };
 220 #endif
 221
 222 static struct mxc_usbh_platform_data otg_pdata = {
 223         .portsc = MXC_EHCI_MODE_ULPI,
 224         .flags  = MXC_EHCI_INTERFACE_DIFF_UNI,
 225 };
 226
 227 static struct mxc_usbh_platform_data usbh2_pdata = {
 228         .portsc = MXC_EHCI_MODE_ULPI,
 229         .flags  = MXC_EHCI_INTERFACE_DIFF_UNI,
 230 };
 231
 232 static struct fsl_usb2_platform_data otg_device_pdata = {
 233         .operating_mode = FSL_USB2_DR_DEVICE,
 234         .phy_mode       = FSL_USB2_PHY_ULPI,
 235 };
 236
 237 static int otg_mode_host;
 238
 239 static int __init eukrea_cpuimx27_otg_mode(char *options)
 240 {
 241         if (!strcmp(options, "host"))
 242                 otg_mode_host = 1;
 243         else if (!strcmp(options, "device"))
 244                 otg_mode_host = 0;
 245         else
 246                 pr_info("otg_mode neither \"host\" nor \"device\". "
 247                         "Defaulting to device\n");
 248         return 0;
 249 }
 250 __setup("otg_mode=", eukrea_cpuimx27_otg_mode);
 251
 252 static void __init eukrea_cpuimx27_init(void)
 253 {
 254         mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins,
 255                 ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27");
 256
 257         mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
 258
 259         mxc_register_device(&imx27_nand_device,
 260                         &eukrea_cpuimx27_nand_board_info);
 261
 262         i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices,
 263                                 ARRAY_SIZE(eukrea_cpuimx27_i2c_devices));
 264
 265         mxc_register_device(&mxc_i2c_device0, &eukrea_cpuimx27_i2c_1_data);
 266
 267         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 268
 269 #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
 270         /* SDHC2 can be used for Wifi */
 271         mxc_register_device(&mxc_sdhc_device1, NULL);
 272 #endif
 273 #if defined(MACH_EUKREA_CPUIMX27_USEUART4)
 274         /* in which case UART4 is also used for Bluetooth */
 275         mxc_register_device(&mxc_uart_device3, &uart_pdata[1]);
 276 #endif
 277
 278 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
 279         platform_device_register(&serial_device);
 280 #endif
 281
 282 #if defined(CONFIG_USB_ULPI)
 283         if (otg_mode_host) {
 284                 otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
 285                                 USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
 286
 287                 mxc_register_device(&mxc_otg_host, &otg_pdata);
 288         }
 289
 290         usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
 291                                 USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
 292
 293         mxc_register_device(&mxc_usbh2, &usbh2_pdata);
 294 #endif
 295         if (!otg_mode_host)
 296                 mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
 297
 298 #ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD
 299         eukrea_mbimx27_baseboard_init();
 300 #endif
 301 }
 302
 303 static void __init eukrea_cpuimx27_timer_init(void)
 304 {
 305         mx27_clocks_init(26000000);
 306 }
 307
 308 static struct sys_timer eukrea_cpuimx27_timer = {
 309         .init = eukrea_cpuimx27_timer_init,
 310 };
 311
 312 MACHINE_START(CPUIMX27, "EUKREA CPUIMX27")
 313         .phys_io        = MX27_AIPI_BASE_ADDR,
 314         .io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 315         .boot_params    = MX27_PHYS_OFFSET + 0x100,
 316         .map_io         = mx27_map_io,
 317         .init_irq       = mx27_init_irq,
 318         .init_machine   = eukrea_cpuimx27_init,
 319         .timer          = &eukrea_cpuimx27_timer,
 320 MACHINE_END