arch/arm/mach-mx2/eukrea_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
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/time.h>
  33 #include <asm/mach/map.h>
  34
  35 #include <mach/board-eukrea_cpuimx27.h>
  36 #include <mach/common.h>
  37 #include <mach/hardware.h>
  38 #include <mach/i2c.h>
  39 #include <mach/iomux.h>
  40 #include <mach/imx-uart.h>
  41 #include <mach/mxc_nand.h>
  42
  43 #include "devices.h"
  44
  45 static int eukrea_cpuimx27_pins[] = {
  46         /* UART1 */
  47         PE12_PF_UART1_TXD,
  48         PE13_PF_UART1_RXD,
  49         PE14_PF_UART1_CTS,
  50         PE15_PF_UART1_RTS,
  51         /* UART4 */
  52         PB26_AF_UART4_RTS,
  53         PB28_AF_UART4_TXD,
  54         PB29_AF_UART4_CTS,
  55         PB31_AF_UART4_RXD,
  56         /* FEC */
  57         PD0_AIN_FEC_TXD0,
  58         PD1_AIN_FEC_TXD1,
  59         PD2_AIN_FEC_TXD2,
  60         PD3_AIN_FEC_TXD3,
  61         PD4_AOUT_FEC_RX_ER,
  62         PD5_AOUT_FEC_RXD1,
  63         PD6_AOUT_FEC_RXD2,
  64         PD7_AOUT_FEC_RXD3,
  65         PD8_AF_FEC_MDIO,
  66         PD9_AIN_FEC_MDC,
  67         PD10_AOUT_FEC_CRS,
  68         PD11_AOUT_FEC_TX_CLK,
  69         PD12_AOUT_FEC_RXD0,
  70         PD13_AOUT_FEC_RX_DV,
  71         PD14_AOUT_FEC_RX_CLK,
  72         PD15_AOUT_FEC_COL,
  73         PD16_AIN_FEC_TX_ER,
  74         PF23_AIN_FEC_TX_EN,
  75         /* I2C1 */
  76         PD17_PF_I2C_DATA,
  77         PD18_PF_I2C_CLK,
  78         /* SDHC2 */
  79         PB4_PF_SD2_D0,
  80         PB5_PF_SD2_D1,
  81         PB6_PF_SD2_D2,
  82         PB7_PF_SD2_D3,
  83         PB8_PF_SD2_CMD,
  84         PB9_PF_SD2_CLK,
  85 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
  86         /* Quad UART's IRQ */
  87         GPIO_PORTD | 22 | GPIO_GPIO | GPIO_IN,
  88         GPIO_PORTD | 23 | GPIO_GPIO | GPIO_IN,
  89         GPIO_PORTD | 27 | GPIO_GPIO | GPIO_IN,
  90         GPIO_PORTD | 30 | GPIO_GPIO | GPIO_IN,
  91 #endif
  92 };
  93
  94 static struct physmap_flash_data eukrea_cpuimx27_flash_data = {
  95         .width = 2,
  96 };
  97
  98 static struct resource eukrea_cpuimx27_flash_resource = {
  99         .start = 0xc0000000,
 100         .end   = 0xc3ffffff,
 101         .flags = IORESOURCE_MEM,
 102 };
 103
 104 static struct platform_device eukrea_cpuimx27_nor_mtd_device = {
 105         .name = "physmap-flash",
 106         .id = 0,
 107         .dev = {
 108                 .platform_data = &eukrea_cpuimx27_flash_data,
 109         },
 110         .num_resources = 1,
 111         .resource = &eukrea_cpuimx27_flash_resource,
 112 };
 113
 114 static struct imxuart_platform_data uart_pdata[] = {
 115         {
 116                 .flags = IMXUART_HAVE_RTSCTS,
 117         }, {
 118                 .flags = IMXUART_HAVE_RTSCTS,
 119         },
 120 };
 121
 122 static struct mxc_nand_platform_data eukrea_cpuimx27_nand_board_info = {
 123         .width = 1,
 124         .hw_ecc = 1,
 125 };
 126
 127 static struct platform_device *platform_devices[] __initdata = {
 128         &eukrea_cpuimx27_nor_mtd_device,
 129         &mxc_fec_device,
 130 };
 131
 132 static struct imxi2c_platform_data eukrea_cpuimx27_i2c_1_data = {
 133         .bitrate = 100000,
 134 };
 135
 136 static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = {
 137         {
 138                 I2C_BOARD_INFO("pcf8563", 0x51),
 139         },
 140 };
 141
 142 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
 143 static struct plat_serial8250_port serial_platform_data[] = {
 144         {
 145                 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x200000),
 146                 .irq = IRQ_GPIOB(23),
 147                 .uartclk = 14745600,
 148                 .regshift = 1,
 149                 .iotype = UPIO_MEM,
 150                 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
 151         }, {
 152                 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x400000),
 153                 .irq = IRQ_GPIOB(22),
 154                 .uartclk = 14745600,
 155                 .regshift = 1,
 156                 .iotype = UPIO_MEM,
 157                 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
 158         }, {
 159                 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x800000),
 160                 .irq = IRQ_GPIOB(27),
 161                 .uartclk = 14745600,
 162                 .regshift = 1,
 163                 .iotype = UPIO_MEM,
 164                 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
 165         }, {
 166                 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x1000000),
 167                 .irq = IRQ_GPIOB(30),
 168                 .uartclk = 14745600,
 169                 .regshift = 1,
 170                 .iotype = UPIO_MEM,
 171                 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
 172         }, {
 173         }
 174 };
 175
 176 static struct platform_device serial_device = {
 177         .name = "serial8250",
 178         .id = 0,
 179         .dev = {
 180                 .platform_data = serial_platform_data,
 181         },
 182 };
 183 #endif
 184
 185 static void __init eukrea_cpuimx27_init(void)
 186 {
 187         mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins,
 188                 ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27");
 189
 190         mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
 191
 192         mxc_register_device(&mxc_nand_device, &eukrea_cpuimx27_nand_board_info);
 193
 194         i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices,
 195                                 ARRAY_SIZE(eukrea_cpuimx27_i2c_devices));
 196
 197         mxc_register_device(&mxc_i2c_device0, &eukrea_cpuimx27_i2c_1_data);
 198
 199         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 200
 201 #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
 202         /* SDHC2 can be used for Wifi */
 203         mxc_register_device(&mxc_sdhc_device1, NULL);
 204         /* in which case UART4 is also used for Bluetooth */
 205         mxc_register_device(&mxc_uart_device3, &uart_pdata[1]);
 206 #endif
 207
 208 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
 209         platform_device_register(&serial_device);
 210 #endif
 211
 212 #ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD
 213         eukrea_mbimx27_baseboard_init();
 214 #endif
 215 }
 216
 217 static void __init eukrea_cpuimx27_timer_init(void)
 218 {
 219         mx27_clocks_init(26000000);
 220 }
 221
 222 static struct sys_timer eukrea_cpuimx27_timer = {
 223         .init = eukrea_cpuimx27_timer_init,
 224 };
 225
 226 MACHINE_START(CPUIMX27, "EUKREA CPUIMX27")
 227         .phys_io        = MX27_AIPI_BASE_ADDR,
 228         .io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 229         .boot_params    = PHYS_OFFSET + 0x100,
 230         .map_io         = mx27_map_io,
 231         .init_irq       = mx27_init_irq,
 232         .init_machine   = eukrea_cpuimx27_init,
 233         .timer          = &eukrea_cpuimx27_timer,
 234 MACHINE_END