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author | Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> | 2016-11-08 17:18:07 (GMT) |
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committer | Stefano Babic <sbabic@denx.de> | 2016-11-29 15:45:48 (GMT) |
commit | d9e268ed766b03c7d2fc36debcd62b6696395aad (patch) | |
tree | 28f7feb7e654091595ba8601d202598975d50d9b /board/technologic/ts4600/ts4600.c | |
parent | 22d358da0b06a60d7163e56234dd7f166fdd7b73 (diff) | |
download | u-boot-d9e268ed766b03c7d2fc36debcd62b6696395aad.tar.xz |
ARM: ts4600: add basic board support
This commit adds basic support including:
MMC, Serial console
Signed-off-by: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Diffstat (limited to 'board/technologic/ts4600/ts4600.c')
-rw-r--r-- | board/technologic/ts4600/ts4600.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/board/technologic/ts4600/ts4600.c b/board/technologic/ts4600/ts4600.c new file mode 100644 index 0000000..70dfead --- /dev/null +++ b/board/technologic/ts4600/ts4600.c @@ -0,0 +1,89 @@ +/* + * (C) Copyright 2016 Savoir-faire Linux Inc. + * + * Author: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> + * + * Based on work from TS7680 code by: + * Kris Bahnsen <kris@embeddedarm.com> + * Mark Featherston <mark@embeddedarm.com> + * https://github.com/embeddedarm/u-boot/tree/master/board/technologic/ts7680 + * + * Derived from MX28EVK code by + * Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux-mx28.h> +#include <asm/arch/clock.h> +#include <asm/arch/sys_proto.h> +#include <linux/mii.h> +#include <miiphy.h> +#include <netdev.h> +#include <errno.h> + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + /* IO0 clock at 480MHz */ + mxs_set_ioclk(MXC_IOCLK0, 480000); + /* IO1 clock at 480MHz */ + mxs_set_ioclk(MXC_IOCLK1, 480000); + + /* SSP0 clocks 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 ts4600_mmc_cd(int id) +{ + return 1; +} + +int board_mmc_init(bd_t *bis) +{ + int ret; + + mxs_iomux_setup_pad(MX28_PAD_PWM3__GPIO_3_28); + + /* Power-on SD */ + gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 1); + udelay(1000); + gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0); + + /* SD card */ + ret = mxsmmc_initialize(bis, 0, NULL, ts4600_mmc_cd); + if(ret != 0) { + printf("SD controller initialized with %d\n", ret); + } + + return ret; +} +#endif + +int checkboard(void) +{ + puts("Board: TS4600\n"); + + return 0; +} |