/*
* Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
* Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/io.h>
#include <linux/mtd/plat-ram.h>
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/board-pcm038.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/i2c.h>
#include <mach/iomux.h>
#include <mach/imx-uart.h>
#include <mach/mxc_nand.h>
#include "devices.h"
static int pcm038_pins[] = {
/* UART1 */
PE12_PF_UART1_TXD,
PE13_PF_UART1_RXD,
PE14_PF_UART1_CTS,
PE15_PF_UART1_RTS,
/* UART2 */
PE3_PF_UART2_CTS,
PE4_PF_UART2_RTS,
PE6_PF_UART2_TXD,
PE7_PF_UART2_RXD,
/* UART3 */
PE8_PF_UART3_TXD,
PE9_PF_UART3_RXD,
PE10_PF_UART3_CTS,
PE11_PF_UART3_RTS,
/* FEC */
PD0_AIN_FEC_TXD0,
PD1_AIN_FEC_TXD1,
PD2_AIN_FEC_TXD2,
PD3_AIN_FEC_TXD3,
PD4_AOUT_FEC_RX_ER,
PD5_AOUT_FEC_RXD1,
PD6_AOUT_FEC_RXD2,
PD7_AOUT_FEC_RXD3,
PD8_AF_FEC_MDIO,
PD9_AIN_FEC_MDC,
PD10_AOUT_FEC_CRS,
PD11_AOUT_FEC_TX_CLK,
PD12_AOUT_FEC_RXD0,
PD13_AOUT_FEC_RX_DV,
PD14_AOUT_FEC_RX_CLK,
PD15_AOUT_FEC_COL,
PD16_AIN_FEC_TX_ER,
PF23_AIN_FEC_TX_EN,
/* I2C2 */
PC5_PF_I2C2_SDA,
PC6_PF_I2C2_SCL,
/* SPI1 */
PD25_PF_CSPI1_RDY,
PD27_PF_CSPI1_SS1,
PD28_PF_CSPI1_SS0,
PD29_PF_CSPI1_SCLK,
PD30_PF_CSPI1_MISO,
PD31_PF_CSPI1_MOSI,
/* SSI1 */
PC20_PF_SSI1_FS,
PC21_PF_SSI1_RXD,
PC22_PF_SSI1_TXD,
PC23_PF_SSI1_CLK,
/* SSI4 */
PC16_PF_SSI4_FS,
PC17_PF_SSI4_RXD,
PC18_PF_SSI4_TXD,
PC19_PF_SSI4_CLK,
};
/*
* Phytec's PCM038 comes with 2MiB battery buffered SRAM,
* 16 bit width
*/
static struct platdata_mtd_ram pcm038_sram_data = {
.bankwidth = 2,
};
static struct resource pcm038_sram_resource = {
.start = CS1_BASE_ADDR,
.end = CS1_BASE_ADDR + 512 * 1024 - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device pcm038_sram_mtd_device = {
.name = "mtd-ram",
.id = 0,
.dev = {
.platform_data = &pcm038_sram_data,
},
.num_resources = 1,
.resource = &pcm038_sram_resource,
};
/*
* Phytec's phyCORE-i.MX27 comes with 32MiB flash,
* 16 bit width
*/
static struct physmap_flash_data pcm038_flash_data = {
.width = 2,
};
static struct resource pcm038_flash_resource = {
.start = 0xc0000000,
.end = 0xc1ffffff,
.flags = IORESOURCE_MEM,
};
static struct platform_device pcm038_nor_mtd_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &pcm038_flash_data,
},
.num_resources = 1,
.resource = &pcm038_flash_resource,
};
static struct imxuart_platform_data uart_pdata[] = {
{
.flags = IMXUART_HAVE_RTSCTS,
}, {
.flags = IMXUART_HAVE_RTSCTS,
}, {
.flags = IMXUART_HAVE_RTSCTS,
},
};
static struct mxc_nand_platform_data pcm038_nand_board_info = {
.width = 1,
.hw_ecc = 1,
};
static struct platform_device *platform_devices[] __initdata = {
&pcm038_nor_mtd_device,
&mxc_w1_master_device,
&mxc_fec_device,
&pcm038_sram_mtd_device,
};
/* On pcm038 there's a sram attached to CS1, we enable the chipselect here and
* setup other stuffs to access the sram. */
static void __init pcm038_init_sram(void)
{
__raw_writel(0x0000d843, CSCR_U(1));
__raw_writel(0x22252521, CSCR_L(1));
__raw_writel(0x22220a00, CSCR_A(1));
}
static struct imxi2c_platform_data pcm038_i2c_1_data = {
.bitrate = 100000,
};
static struct at24_platform_data board_eeprom = {
.byte_len = 4096,
.page_size = 32,
.flags = AT24_FLAG_ADDR16,
};
static struct i2c_board_info pcm038_i2c_devices[] = {
{
I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
.platform_data = &board_eeprom,
}, {
I2C_BOARD_INFO("pcf8563", 0x51),
}, {
I2C_BOARD_INFO("lm75", 0x4a),
}
};
static void __init pcm038_init(void)
{
mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins),
"PCM038");
pcm038_init_sram();
mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
mxc_register_device(&mxc_uart_device1, &uart_pdata[1]);
mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
mxc_gpio_mode(PE16_AF_OWIRE);
mxc_register_device(&mxc_nand_device, &pcm038_nand_board_info);
/* only the i2c master 1 is used on this CPU card */
i2c_register_board_info(1, pcm038_i2c_devices,
ARRAY_SIZE(pcm038_i2c_devices));
mxc_register_device(&mxc_i2c_device1, &pcm038_i2c_1_data);
/* PE18 for user-LED D40 */
mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
#ifdef CONFIG_MACH_PCM970_BASEBOARD
pcm970_baseboard_init();
#endif
}
static void __init pcm038_timer_init(void)
{
mx27_clocks_init(26000000);
}
static struct sys_timer pcm038_timer = {
.init = pcm038_timer_init,
};
MACHINE_START(PCM038, "phyCORE-i.MX27")
.phys_io = AIPI_BASE_ADDR,
.io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
.boot_params = PHYS_OFFSET + 0x100,
.map_io = mx27_map_io,
.init_irq = mx27_init_irq,
.init_machine = pcm038_init,
.timer = &pcm038_timer,
MACHINE_END
