forked from luck/tmp_suning_uos_patched
60c24dc79f
Add SDHC support for MX27ADS board Signed-off-by: Vladimir Barinov <vbarinov@embeddedalley.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
338 lines
7.6 KiB
C
338 lines
7.6 KiB
C
/*
|
|
* Copyright (C) 2000 Deep Blue Solutions Ltd
|
|
* Copyright (C) 2002 Shane Nay (shane@minirl.com)
|
|
* Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
|
|
*
|
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/map.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/mtd/physmap.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/irq.h>
|
|
#include <mach/common.h>
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/time.h>
|
|
#include <asm/mach/map.h>
|
|
#include <mach/gpio.h>
|
|
#include <mach/imx-uart.h>
|
|
#include <mach/iomux.h>
|
|
#include <mach/board-mx27ads.h>
|
|
#include <mach/mxc_nand.h>
|
|
#include <mach/i2c.h>
|
|
#include <mach/imxfb.h>
|
|
#include <mach/mmc.h>
|
|
|
|
#include "devices.h"
|
|
|
|
static unsigned int mx27ads_pins[] = {
|
|
/* UART0 */
|
|
PE12_PF_UART1_TXD,
|
|
PE13_PF_UART1_RXD,
|
|
PE14_PF_UART1_CTS,
|
|
PE15_PF_UART1_RTS,
|
|
/* UART1 */
|
|
PE3_PF_UART2_CTS,
|
|
PE4_PF_UART2_RTS,
|
|
PE6_PF_UART2_TXD,
|
|
PE7_PF_UART2_RXD,
|
|
/* UART2 */
|
|
PE8_PF_UART3_TXD,
|
|
PE9_PF_UART3_RXD,
|
|
PE10_PF_UART3_CTS,
|
|
PE11_PF_UART3_RTS,
|
|
/* UART3 */
|
|
PB26_AF_UART4_RTS,
|
|
PB28_AF_UART4_TXD,
|
|
PB29_AF_UART4_CTS,
|
|
PB31_AF_UART4_RXD,
|
|
/* UART4 */
|
|
PB18_AF_UART5_TXD,
|
|
PB19_AF_UART5_RXD,
|
|
PB20_AF_UART5_CTS,
|
|
PB21_AF_UART5_RTS,
|
|
/* UART5 */
|
|
PB10_AF_UART6_TXD,
|
|
PB12_AF_UART6_CTS,
|
|
PB11_AF_UART6_RXD,
|
|
PB13_AF_UART6_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,
|
|
/* FB */
|
|
PA5_PF_LSCLK,
|
|
PA6_PF_LD0,
|
|
PA7_PF_LD1,
|
|
PA8_PF_LD2,
|
|
PA9_PF_LD3,
|
|
PA10_PF_LD4,
|
|
PA11_PF_LD5,
|
|
PA12_PF_LD6,
|
|
PA13_PF_LD7,
|
|
PA14_PF_LD8,
|
|
PA15_PF_LD9,
|
|
PA16_PF_LD10,
|
|
PA17_PF_LD11,
|
|
PA18_PF_LD12,
|
|
PA19_PF_LD13,
|
|
PA20_PF_LD14,
|
|
PA21_PF_LD15,
|
|
PA22_PF_LD16,
|
|
PA23_PF_LD17,
|
|
PA24_PF_REV,
|
|
PA25_PF_CLS,
|
|
PA26_PF_PS,
|
|
PA27_PF_SPL_SPR,
|
|
PA28_PF_HSYNC,
|
|
PA29_PF_VSYNC,
|
|
PA30_PF_CONTRAST,
|
|
PA31_PF_OE_ACD,
|
|
/* OWIRE */
|
|
PE16_AF_OWIRE,
|
|
/* SDHC1*/
|
|
PE18_PF_SD1_D0,
|
|
PE19_PF_SD1_D1,
|
|
PE20_PF_SD1_D2,
|
|
PE21_PF_SD1_D3,
|
|
PE22_PF_SD1_CMD,
|
|
PE23_PF_SD1_CLK,
|
|
/* SDHC2*/
|
|
PB4_PF_SD2_D0,
|
|
PB5_PF_SD2_D1,
|
|
PB6_PF_SD2_D2,
|
|
PB7_PF_SD2_D3,
|
|
PB8_PF_SD2_CMD,
|
|
PB9_PF_SD2_CLK,
|
|
};
|
|
|
|
static struct mxc_nand_platform_data mx27ads_nand_board_info = {
|
|
.width = 1,
|
|
.hw_ecc = 1,
|
|
};
|
|
|
|
/* ADS's NOR flash */
|
|
static struct physmap_flash_data mx27ads_flash_data = {
|
|
.width = 2,
|
|
};
|
|
|
|
static struct resource mx27ads_flash_resource = {
|
|
.start = 0xc0000000,
|
|
.end = 0xc0000000 + 0x02000000 - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
|
|
};
|
|
|
|
static struct platform_device mx27ads_nor_mtd_device = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &mx27ads_flash_data,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = &mx27ads_flash_resource,
|
|
};
|
|
|
|
static struct imxi2c_platform_data mx27ads_i2c_data = {
|
|
.bitrate = 100000,
|
|
};
|
|
|
|
static struct i2c_board_info mx27ads_i2c_devices[] = {
|
|
};
|
|
|
|
void lcd_power(int on)
|
|
{
|
|
if (on)
|
|
__raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG);
|
|
else
|
|
__raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG);
|
|
}
|
|
|
|
static struct imx_fb_platform_data mx27ads_fb_data = {
|
|
.pixclock = 188679,
|
|
.xres = 240,
|
|
.yres = 320,
|
|
|
|
.bpp = 16,
|
|
.hsync_len = 1,
|
|
.left_margin = 9,
|
|
.right_margin = 16,
|
|
|
|
.vsync_len = 1,
|
|
.upper_margin = 7,
|
|
.lower_margin = 9,
|
|
.fixed_screen_cpu = 0,
|
|
|
|
/*
|
|
* - HSYNC active high
|
|
* - VSYNC active high
|
|
* - clk notenabled while idle
|
|
* - clock inverted
|
|
* - data not inverted
|
|
* - data enable low active
|
|
* - enable sharp mode
|
|
*/
|
|
.pcr = 0xFB008BC0,
|
|
.pwmr = 0x00A903FF,
|
|
.lscr1 = 0x00120300,
|
|
.dmacr = 0x00020010,
|
|
|
|
.lcd_power = lcd_power,
|
|
};
|
|
|
|
static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
|
|
void *data)
|
|
{
|
|
return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING,
|
|
"sdhc1-card-detect", data);
|
|
}
|
|
|
|
static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
|
|
void *data)
|
|
{
|
|
return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING,
|
|
"sdhc2-card-detect", data);
|
|
}
|
|
|
|
static void mx27ads_sdhc1_exit(struct device *dev, void *data)
|
|
{
|
|
free_irq(IRQ_GPIOE(21), data);
|
|
}
|
|
|
|
static void mx27ads_sdhc2_exit(struct device *dev, void *data)
|
|
{
|
|
free_irq(IRQ_GPIOB(7), data);
|
|
}
|
|
|
|
static struct imxmmc_platform_data sdhc1_pdata = {
|
|
.init = mx27ads_sdhc1_init,
|
|
.exit = mx27ads_sdhc1_exit,
|
|
};
|
|
|
|
static struct imxmmc_platform_data sdhc2_pdata = {
|
|
.init = mx27ads_sdhc2_init,
|
|
.exit = mx27ads_sdhc2_exit,
|
|
};
|
|
|
|
static struct platform_device *platform_devices[] __initdata = {
|
|
&mx27ads_nor_mtd_device,
|
|
&mxc_fec_device,
|
|
&mxc_w1_master_device,
|
|
};
|
|
|
|
static struct imxuart_platform_data uart_pdata[] = {
|
|
{
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
}, {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
}, {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
}, {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
}, {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
}, {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
},
|
|
};
|
|
|
|
static void __init mx27ads_board_init(void)
|
|
{
|
|
mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins),
|
|
"mx27ads");
|
|
|
|
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_register_device(&mxc_uart_device3, &uart_pdata[3]);
|
|
mxc_register_device(&mxc_uart_device4, &uart_pdata[4]);
|
|
mxc_register_device(&mxc_uart_device5, &uart_pdata[5]);
|
|
mxc_register_device(&mxc_nand_device, &mx27ads_nand_board_info);
|
|
|
|
/* only the i2c master 1 is used on this CPU card */
|
|
i2c_register_board_info(1, mx27ads_i2c_devices,
|
|
ARRAY_SIZE(mx27ads_i2c_devices));
|
|
mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data);
|
|
mxc_register_device(&mxc_fb_device, &mx27ads_fb_data);
|
|
mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
|
|
mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata);
|
|
|
|
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
|
|
}
|
|
|
|
static void __init mx27ads_timer_init(void)
|
|
{
|
|
unsigned long fref = 26000000;
|
|
|
|
if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0)
|
|
fref = 27000000;
|
|
|
|
mx27_clocks_init(fref);
|
|
}
|
|
|
|
static struct sys_timer mx27ads_timer = {
|
|
.init = mx27ads_timer_init,
|
|
};
|
|
|
|
static struct map_desc mx27ads_io_desc[] __initdata = {
|
|
{
|
|
.virtual = PBC_BASE_ADDRESS,
|
|
.pfn = __phys_to_pfn(CS4_BASE_ADDR),
|
|
.length = SZ_1M,
|
|
.type = MT_DEVICE,
|
|
},
|
|
};
|
|
|
|
static void __init mx27ads_map_io(void)
|
|
{
|
|
mx27_map_io();
|
|
iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc));
|
|
}
|
|
|
|
MACHINE_START(MX27ADS, "Freescale i.MX27ADS")
|
|
/* maintainer: Freescale Semiconductor, Inc. */
|
|
.phys_io = AIPI_BASE_ADDR,
|
|
.io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
|
|
.boot_params = PHYS_OFFSET + 0x100,
|
|
.map_io = mx27ads_map_io,
|
|
.init_irq = mxc_init_irq,
|
|
.init_machine = mx27ads_board_init,
|
|
.timer = &mx27ads_timer,
|
|
MACHINE_END
|
|
|