forked from Minki/linux
259 lines
6.1 KiB
C
259 lines
6.1 KiB
C
/*
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* Copyright (C) 2008 Sascha Hauer, Pengutronix
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mtd/plat-ram.h>
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#include <linux/memory.h>
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#include <linux/gpio.h>
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#include <linux/smc911x.h>
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#include <linux/interrupt.h>
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#include <linux/i2c.h>
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#include <linux/i2c/at24.h>
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <asm/mach/map.h>
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#include <mach/common.h>
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#include <mach/imx-uart.h>
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#include <mach/iomux-mx3.h>
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#include <mach/board-pcm037.h>
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#include <mach/mxc_nand.h>
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#ifdef CONFIG_I2C_IMX
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#include <mach/i2c.h>
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#endif
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#include "devices.h"
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static struct physmap_flash_data pcm037_flash_data = {
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.width = 2,
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};
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static struct resource pcm037_flash_resource = {
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.start = 0xa0000000,
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.end = 0xa1ffffff,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device pcm037_flash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &pcm037_flash_data,
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},
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.resource = &pcm037_flash_resource,
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.num_resources = 1,
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};
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static struct imxuart_platform_data uart_pdata = {
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.flags = IMXUART_HAVE_RTSCTS,
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};
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static struct resource smc911x_resources[] = {
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[0] = {
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.start = CS1_BASE_ADDR + 0x300,
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.end = CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
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.end = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct smc911x_platdata smc911x_info = {
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.flags = SMC911X_USE_32BIT,
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.irq_flags = IRQF_SHARED | IRQF_TRIGGER_LOW,
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};
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static struct platform_device pcm037_eth = {
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.name = "smc911x",
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.id = -1,
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.num_resources = ARRAY_SIZE(smc911x_resources),
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.resource = smc911x_resources,
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.dev = {
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.platform_data = &smc911x_info,
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},
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};
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static struct platdata_mtd_ram pcm038_sram_data = {
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.bankwidth = 2,
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};
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static struct resource pcm038_sram_resource = {
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.start = CS4_BASE_ADDR,
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.end = CS4_BASE_ADDR + 512 * 1024 - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device pcm037_sram_device = {
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.name = "mtd-ram",
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.id = 0,
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.dev = {
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.platform_data = &pcm038_sram_data,
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},
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.num_resources = 1,
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.resource = &pcm038_sram_resource,
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};
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static struct mxc_nand_platform_data pcm037_nand_board_info = {
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.width = 1,
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.hw_ecc = 1,
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};
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#ifdef CONFIG_I2C_IMX
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static int i2c_1_pins[] = {
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MX31_PIN_CSPI2_MOSI__SCL,
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MX31_PIN_CSPI2_MISO__SDA,
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};
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static int pcm037_i2c_1_init(struct device *dev)
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{
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return mxc_iomux_setup_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins),
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"i2c-1");
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}
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static void pcm037_i2c_1_exit(struct device *dev)
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{
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mxc_iomux_release_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins));
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}
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static struct imxi2c_platform_data pcm037_i2c_1_data = {
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.bitrate = 100000,
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.init = pcm037_i2c_1_init,
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.exit = pcm037_i2c_1_exit,
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};
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static struct at24_platform_data board_eeprom = {
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.byte_len = 4096,
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.page_size = 32,
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.flags = AT24_FLAG_ADDR16,
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};
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static struct i2c_board_info pcm037_i2c_devices[] = {
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{
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I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
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.platform_data = &board_eeprom,
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}, {
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I2C_BOARD_INFO("rtc-pcf8563", 0x51),
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.type = "pcf8563",
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}
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};
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#endif
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static struct platform_device *devices[] __initdata = {
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&pcm037_flash,
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&pcm037_eth,
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&pcm037_sram_device,
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};
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static int uart0_pins[] = {
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MX31_PIN_CTS1__CTS1,
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MX31_PIN_RTS1__RTS1,
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MX31_PIN_TXD1__TXD1,
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MX31_PIN_RXD1__RXD1
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};
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static int uart2_pins[] = {
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MX31_PIN_CSPI3_MOSI__RXD3,
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MX31_PIN_CSPI3_MISO__TXD3
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};
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/*
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* Board specific initialization.
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*/
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static void __init mxc_board_init(void)
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{
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platform_add_devices(devices, ARRAY_SIZE(devices));
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mxc_iomux_setup_multiple_pins(uart0_pins, ARRAY_SIZE(uart0_pins), "uart-0");
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mxc_register_device(&mxc_uart_device0, &uart_pdata);
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mxc_iomux_setup_multiple_pins(uart2_pins, ARRAY_SIZE(uart2_pins), "uart-2");
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mxc_register_device(&mxc_uart_device2, &uart_pdata);
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mxc_iomux_setup_pin(MX31_PIN_BATT_LINE__OWIRE, "batt-0wire");
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mxc_register_device(&mxc_w1_master_device, NULL);
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/* SMSC9215 IRQ pin */
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if (!mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
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"pcm037-eth"))
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gpio_direction_input(MX31_PIN_GPIO3_1);
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#ifdef CONFIG_I2C_IMX
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i2c_register_board_info(1, pcm037_i2c_devices,
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ARRAY_SIZE(pcm037_i2c_devices));
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mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
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#endif
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mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
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}
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/*
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* This structure defines static mappings for the pcm037 board.
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*/
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static struct map_desc pcm037_io_desc[] __initdata = {
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{
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.virtual = AIPS1_BASE_ADDR_VIRT,
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.pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
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.length = AIPS1_SIZE,
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.type = MT_DEVICE_NONSHARED
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}, {
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.virtual = AIPS2_BASE_ADDR_VIRT,
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.pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
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.length = AIPS2_SIZE,
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.type = MT_DEVICE_NONSHARED
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},
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};
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/*
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* Set up static virtual mappings.
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*/
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void __init pcm037_map_io(void)
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{
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mxc_map_io();
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iotable_init(pcm037_io_desc, ARRAY_SIZE(pcm037_io_desc));
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}
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static void __init pcm037_timer_init(void)
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{
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mx31_clocks_init(26000000);
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}
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struct sys_timer pcm037_timer = {
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.init = pcm037_timer_init,
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};
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MACHINE_START(PCM037, "Phytec Phycore pcm037")
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/* Maintainer: Pengutronix */
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.phys_io = AIPS1_BASE_ADDR,
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.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
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.boot_params = PHYS_OFFSET + 0x100,
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.map_io = pcm037_map_io,
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.init_irq = mxc_init_irq,
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.init_machine = mxc_board_init,
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.timer = &pcm037_timer,
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MACHINE_END
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