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| author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-11-07 09:32:16 +0100 | 
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-11-07 09:32:16 +0100 | 
| commit | 3285d4ca197928a048d3dda86751b5d26e6e0e86 (patch) | |
| tree | c1ab908fb4fac09839c672c765b98a0512d1e9d1 /board/udoo/udoo.c | |
| parent | c0e5dd88c438a41bf180dde0c2dc4c67dcd8058d (diff) | |
| parent | c93addb5635630847e8a33f6dba4afef78a6d180 (diff) | |
| download | olio-uboot-2014.01-3285d4ca197928a048d3dda86751b5d26e6e0e86.tar.xz olio-uboot-2014.01-3285d4ca197928a048d3dda86751b5d26e6e0e86.zip | |
Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'
Diffstat (limited to 'board/udoo/udoo.c')
| -rw-r--r-- | board/udoo/udoo.c | 110 | 
1 files changed, 110 insertions, 0 deletions
| diff --git a/board/udoo/udoo.c b/board/udoo/udoo.c new file mode 100644 index 000000000..e9d63750a --- /dev/null +++ b/board/udoo/udoo.c @@ -0,0 +1,110 @@ +/* + * Copyright (C) 2013 Freescale Semiconductor, Inc. + * + * Author: Fabio Estevam <fabio.estevam@freescale.com> + * + * SPDX-License-Identifier:	GPL-2.0+ + */ + +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/errno.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <mmc.h> +#include <fsl_esdhc.h> +#include <asm/arch/crm_regs.h> +#include <asm/io.h> +#include <asm/arch/sys_proto.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\ +	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |			\ +	PAD_CTL_SRE_FAST  | PAD_CTL_HYS) + +#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |			\ +	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |			\ +	PAD_CTL_SRE_FAST  | PAD_CTL_HYS) + +#define WDT_EN		IMX_GPIO_NR(5, 4) +#define WDT_TRG		IMX_GPIO_NR(3, 19) + +int dram_init(void) +{ +	gd->ram_size = (phys_size_t)CONFIG_DDR_MB * 1024 * 1024; + +	return 0; +} + +static iomux_v3_cfg_t const uart2_pads[] = { +	MX6_PAD_EIM_D26__UART2_TXD | MUX_PAD_CTRL(UART_PAD_CTRL), +	MX6_PAD_EIM_D27__UART2_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static iomux_v3_cfg_t const usdhc3_pads[] = { +	MX6_PAD_SD3_CLK__USDHC3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL), +	MX6_PAD_SD3_CMD__USDHC3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL), +	MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +	MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +	MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +	MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +static iomux_v3_cfg_t const wdog_pads[] = { +	MX6_PAD_EIM_A24__GPIO_5_4 | MUX_PAD_CTRL(NO_PAD_CTRL), +	MX6_PAD_EIM_D19__GPIO_3_19, +}; + +static void setup_iomux_uart(void) +{ +	imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads)); +} + +static void setup_iomux_wdog(void) +{ +	imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); +	gpio_direction_output(WDT_TRG, 0); +	gpio_direction_output(WDT_EN, 1); +} + +static struct fsl_esdhc_cfg usdhc_cfg = { USDHC3_BASE_ADDR }; + +int board_mmc_getcd(struct mmc *mmc) +{ +	return 1; /* Always present */ +} + +int board_mmc_init(bd_t *bis) +{ +	imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); +	usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); +	usdhc_cfg.max_bus_width = 4; + +	return fsl_esdhc_initialize(bis, &usdhc_cfg); +} + +int board_early_init_f(void) +{ +	setup_iomux_wdog(); +	setup_iomux_uart(); + +	return 0; +} + +int board_init(void) +{ +	/* address of boot parameters */ +	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +	return 0; +} + +int checkboard(void) +{ +	puts("Board: Udoo\n"); + +	return 0; +} |