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author | Tom Rini <trini@ti.com> | 2013-02-12 10:18:31 -0500 |
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committer | Tom Rini <trini@ti.com> | 2013-02-12 10:18:31 -0500 |
commit | 951c6baaf44c7fd4335b75fb92840d4e42c94927 (patch) | |
tree | 6a09cce20c4f3affb7b500d018eb84f848e42c20 /board/freescale/mx23evk/mx23evk.c | |
parent | 58864ddc7276ca7403ddbb716da5853638f37519 (diff) | |
parent | fd8e1c3866578d87ed14a04a59faae341fd415df (diff) | |
download | u-boot-imx-951c6baaf44c7fd4335b75fb92840d4e42c94927.zip u-boot-imx-951c6baaf44c7fd4335b75fb92840d4e42c94927.tar.gz u-boot-imx-951c6baaf44c7fd4335b75fb92840d4e42c94927.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'board/freescale/mx23evk/mx23evk.c')
-rw-r--r-- | board/freescale/mx23evk/mx23evk.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/board/freescale/mx23evk/mx23evk.c b/board/freescale/mx23evk/mx23evk.c new file mode 100644 index 0000000..41ba303 --- /dev/null +++ b/board/freescale/mx23evk/mx23evk.c @@ -0,0 +1,83 @@ +/* + * Freescale MX23EVK board + * + * (C) Copyright 2013 O.S. Systems Software LTDA. + * + * Author: Otavio Salvador <otavio@ossystems.com.br> + * + * Based on m28evk.c: + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * on behalf of DENX Software Engineering GmbH + * + * 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/gpio.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/clock.h> +#include <asm/arch/iomux-mx23.h> +#include <asm/arch/sys_proto.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Functions + */ +int board_early_init_f(void) +{ + /* IO0 clock at 480MHz */ + mxs_set_ioclk(MXC_IOCLK0, 480000); + + /* SSP0 clock at 96MHz */ + mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); + + return 0; +} + +int dram_init(void) +{ + return mxs_dram_init(); +} + +int board_init(void) +{ + /* Adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +#ifdef CONFIG_CMD_MMC +static int mx23evk_mmc_wp(int id) +{ + if (id != 0) { + printf("MXS MMC: Invalid card selected (card id = %d)\n", id); + return 1; + } + + return gpio_get_value(MX23_PAD_PWM4__GPIO_1_30); +} + +int board_mmc_init(bd_t *bis) +{ + /* Configure WP as input */ + gpio_direction_input(MX23_PAD_PWM4__GPIO_1_30); + + /* Configure MMC0 Power Enable */ + gpio_direction_output(MX23_PAD_PWM3__GPIO_1_29, 0); + + return mxsmmc_initialize(bis, 0, mx23evk_mmc_wp, NULL); +} +#endif |