mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-20 17:08:52 +09:00
49 lines
863 B
C
49 lines
863 B
C
![]() |
// SPDX-License-Identifier: GPL-2.0+
|
||
|
/*
|
||
|
* Copyright (C) 2016 Freescale Semiconductor, Inc.
|
||
|
*/
|
||
|
|
||
|
#include <common.h>
|
||
|
#include <asm/io.h>
|
||
|
#include <asm/arch/sys_proto.h>
|
||
|
#include <asm/arch/mx7ulp-pins.h>
|
||
|
#include <asm/arch/iomux.h>
|
||
|
#include <asm/gpio.h>
|
||
|
|
||
|
DECLARE_GLOBAL_DATA_PTR;
|
||
|
|
||
|
#define UART_PAD_CTRL (PAD_CTL_PUS_UP)
|
||
|
|
||
|
int dram_init(void)
|
||
|
{
|
||
|
gd->ram_size = imx_ddr_size();
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static iomux_cfg_t const lpuart4_pads[] = {
|
||
|
MX7ULP_PAD_PTC3__LPUART4_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
|
||
|
MX7ULP_PAD_PTC2__LPUART4_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
|
||
|
};
|
||
|
|
||
|
static void setup_iomux_uart(void)
|
||
|
{
|
||
|
mx7ulp_iomux_setup_multiple_pads(lpuart4_pads,
|
||
|
ARRAY_SIZE(lpuart4_pads));
|
||
|
}
|
||
|
|
||
|
int board_early_init_f(void)
|
||
|
{
|
||
|
setup_iomux_uart();
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int board_init(void)
|
||
|
{
|
||
|
/* address of boot parameters */
|
||
|
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
|
||
|
|
||
|
return 0;
|
||
|
}
|