mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-18 07:58:52 +09:00
![Sebastien Bourdelin](/assets/img/avatar_default.png)
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>
90 lines
1.6 KiB
C
90 lines
1.6 KiB
C
/*
|
|
* (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;
|
|
}
|