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/*
* Copyright (C) 2011 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/iomux-mx53.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include "crm_regs.h"
#include "devices-imx53.h"
#define SMD_FEC_PHY_RST IMX_GPIO_NR(7, 6)
#define MX53_SMD_SATA_PWR_EN IMX_GPIO_NR(3, 3)
static iomux_v3_cfg_t mx53_smd_pads[] = {
MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX,
MX53_PAD_PATA_DMARQ__UART2_TXD_MUX,
MX53_PAD_PATA_CS_0__UART3_TXD_MUX,
MX53_PAD_PATA_CS_1__UART3_RXD_MUX,
MX53_PAD_PATA_DA_1__UART3_CTS,
MX53_PAD_PATA_DA_2__UART3_RTS,
/* I2C1 */
MX53_PAD_CSI0_DAT8__I2C1_SDA,
MX53_PAD_CSI0_DAT9__I2C1_SCL,
/* SD1 */
MX53_PAD_SD1_CMD__ESDHC1_CMD,
MX53_PAD_SD1_CLK__ESDHC1_CLK,
MX53_PAD_SD1_DATA0__ESDHC1_DAT0,
MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
/* SD2 */
MX53_PAD_SD2_CMD__ESDHC2_CMD,
MX53_PAD_SD2_CLK__ESDHC2_CLK,
MX53_PAD_SD2_DATA0__ESDHC2_DAT0,
MX53_PAD_SD2_DATA1__ESDHC2_DAT1,
MX53_PAD_SD2_DATA2__ESDHC2_DAT2,
MX53_PAD_SD2_DATA3__ESDHC2_DAT3,
/* SD3 */
MX53_PAD_PATA_DATA8__ESDHC3_DAT0,
MX53_PAD_PATA_DATA9__ESDHC3_DAT1,
MX53_PAD_PATA_DATA10__ESDHC3_DAT2,
MX53_PAD_PATA_DATA11__ESDHC3_DAT3,
MX53_PAD_PATA_DATA0__ESDHC3_DAT4,
MX53_PAD_PATA_DATA1__ESDHC3_DAT5,
MX53_PAD_PATA_DATA2__ESDHC3_DAT6,
MX53_PAD_PATA_DATA3__ESDHC3_DAT7,
MX53_PAD_PATA_IORDY__ESDHC3_CLK,
MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
};
static const struct imxuart_platform_data mx53_smd_uart_data __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
static inline void mx53_smd_init_uart(void)
{
imx53_add_imx_uart(0, NULL);
imx53_add_imx_uart(1, NULL);
imx53_add_imx_uart(2, &mx53_smd_uart_data);
}
static inline void mx53_smd_fec_reset(void)
{
int ret;
/* reset FEC PHY */
ret = gpio_request(SMD_FEC_PHY_RST, "fec-phy-reset");
if (ret) {
printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
return;
}
gpio_direction_output(SMD_FEC_PHY_RST, 0);
msleep(1);
gpio_set_value(SMD_FEC_PHY_RST, 1);
}
static struct fec_platform_data mx53_smd_fec_data = {
.phy = PHY_INTERFACE_MODE_RMII,
};
static const struct imxi2c_platform_data mx53_smd_i2c_data __initconst = {
.bitrate = 100000,
};
static inline void mx53_smd_ahci_pwr_on(void)
{
int ret;
/* Enable SATA PWR */
ret = gpio_request_one(MX53_SMD_SATA_PWR_EN,
GPIOF_DIR_OUT | GPIOF_INIT_HIGH, "ahci-sata-pwr");
if (ret) {
pr_err("failed to enable SATA_PWR_EN: %d\n", ret);
return;
}
}
static void __init mx53_smd_board_init(void)
{
imx53_soc_init();
mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads,
ARRAY_SIZE(mx53_smd_pads));
mx53_smd_init_uart();
mx53_smd_fec_reset();
imx53_add_fec(&mx53_smd_fec_data);
imx53_add_imx2_wdt(0, NULL);
imx53_add_imx_i2c(0, &mx53_smd_i2c_data);
imx53_add_sdhci_esdhc_imx(0, NULL);
imx53_add_sdhci_esdhc_imx(1, NULL);
imx53_add_sdhci_esdhc_imx(2, NULL);
mx53_smd_ahci_pwr_on();
imx53_add_ahci_imx();
}
static void __init mx53_smd_timer_init(void)
{
mx53_clocks_init(32768, 24000000, 22579200, 0);
}
static struct sys_timer mx53_smd_timer = {
.init = mx53_smd_timer_init,
};
MACHINE_START(MX53_SMD, "Freescale MX53 SMD Board")
.map_io = mx53_map_io,
.init_early = imx53_init_early,
.init_irq = mx53_init_irq,
.handle_irq = imx53_handle_irq,
.timer = &mx53_smd_timer,
.init_machine = mx53_smd_board_init,
MACHINE_END
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