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/*
* (C) Copyright 2011 Freescale Semiconductor, Inc.
*
* Author: Fabio Estevam <fabio.estevam@freescale.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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.
*/
#include <common.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/imx25-pinmux.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/clock.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#define CARD_DETECT IMX_GPIO_NR(2, 1)
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_FSL_ESDHC
struct fsl_esdhc_cfg esdhc_cfg[1] = {
{IMX_MMC_SDHC1_BASE},
};
#endif
int dram_init(void)
{
/* dram_init must store complete ramsize in gd->ram_size */
gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
PHYS_SDRAM_1_SIZE);
return 0;
}
int board_early_init_f(void)
{
mx25_uart1_init_pins();
return 0;
}
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
return 0;
}
#ifdef CONFIG_FSL_ESDHC
int board_mmc_getcd(struct mmc *mmc)
{
struct iomuxc_mux_ctl *muxctl;
struct iomuxc_pad_ctl *padctl;
u32 gpio_mux_mode = MX25_PIN_MUX_MODE(5);
/*
* Set up the Card Detect pin.
*
* SD1_GPIO_CD: gpio2_1 is ALT 5 mode of pin A15
*
*/
muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE;
padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE;
writel(gpio_mux_mode, &muxctl->pad_a15);
writel(0x0, &padctl->pad_a15);
gpio_direction_input(CARD_DETECT);
return !gpio_get_value(CARD_DETECT);
}
int board_mmc_init(bd_t *bis)
{
struct iomuxc_mux_ctl *muxctl;
u32 sdhc1_mux_mode = MX25_PIN_MUX_MODE(0) | MX25_PIN_MUX_SION;
muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE;
writel(sdhc1_mux_mode, &muxctl->pad_sd1_cmd);
writel(sdhc1_mux_mode, &muxctl->pad_sd1_clk);
writel(sdhc1_mux_mode, &muxctl->pad_sd1_data0);
writel(sdhc1_mux_mode, &muxctl->pad_sd1_data1);
writel(sdhc1_mux_mode, &muxctl->pad_sd1_data2);
writel(sdhc1_mux_mode, &muxctl->pad_sd1_data3);
esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC1_CLK);
return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
}
#endif
int checkboard(void)
{
puts("Board: MX25PDK\n");
return 0;
}
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