diff options
Diffstat (limited to 'board/freescale/mx25pdk/mx25pdk.c')
| -rw-r--r-- | board/freescale/mx25pdk/mx25pdk.c | 114 | 
1 files changed, 114 insertions, 0 deletions
| diff --git a/board/freescale/mx25pdk/mx25pdk.c b/board/freescale/mx25pdk/mx25pdk.c index 4a8352fb3..72fa6bc82 100644 --- a/board/freescale/mx25pdk/mx25pdk.c +++ b/board/freescale/mx25pdk/mx25pdk.c @@ -19,12 +19,71 @@  #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> +#include <i2c.h> +#include <pmic.h> +#include <fsl_pmic.h> +#include <mc34704.h> + +#define FEC_RESET_B		IMX_GPIO_NR(2, 3) +#define FEC_ENABLE_B		IMX_GPIO_NR(4, 8) +#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 + +static void mx25pdk_fec_init(void) +{ +	struct iomuxc_mux_ctl *muxctl; +	struct iomuxc_pad_ctl *padctl; +	u32 gpio_mux_mode = MX25_PIN_MUX_MODE(5); +	u32 gpio_mux_mode0_sion = MX25_PIN_MUX_MODE(0) | MX25_PIN_MUX_SION; + +	/* FEC pin init is generic */ +	mx25_fec_init_pins(); + +	muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE; +	padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE; +	/* +	 * Set up FEC_RESET_B and FEC_ENABLE_B +	 * +	 * FEC_RESET_B: gpio2_3 is ALT 5 mode of pin D12 +	 * FEC_ENABLE_B: gpio4_8 is ALT 5 mode of pin A17 +	 */ +	writel(gpio_mux_mode, &muxctl->pad_d12); +	writel(gpio_mux_mode, &muxctl->pad_a17); + +	writel(0x0, &padctl->pad_d12); +	writel(0x0, &padctl->pad_a17); + +	/* Assert RESET and ENABLE low */ +	gpio_direction_output(FEC_RESET_B, 0); +	gpio_direction_output(FEC_ENABLE_B, 0); + +	udelay(10); + +	/* Deassert RESET and ENABLE */ +	gpio_set_value(FEC_RESET_B, 1); +	gpio_set_value(FEC_ENABLE_B, 1); + +	/* Setup I2C pins so that PMIC can turn on PHY supply */ +	writel(gpio_mux_mode0_sion, &muxctl->pad_i2c1_clk); +	writel(gpio_mux_mode0_sion, &muxctl->pad_i2c1_dat); +	writel(0x1E8, &padctl->pad_i2c1_clk); +	writel(0x1E8, &padctl->pad_i2c1_dat); +} +  int dram_init(void)  {  	/* dram_init must store complete ramsize in gd->ram_size */ @@ -48,6 +107,61 @@ int board_init(void)  	return 0;  } +int board_late_init(void) +{ +	struct pmic *p; + +	mx25pdk_fec_init(); + +	pmic_init(); +	p = get_pmic(); +	/* Turn on Ethernet PHY supply */ +	pmic_reg_write(p, MC34704_GENERAL2_REG, ONOFFE); + +	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"); |