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https://github.com/brain-hackers/u-boot-brain
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0417ef17ac
The Embedded Artists COM board is based on NXP i.MX7ULP. It has a BD70528 PMIC from Rohm with discrete DCDC powering option and improved current observability (compared to the existing NXP i.MX7ULP EVK). Add the initial support for the board. Signed-off-by: Fabio Estevam <festevam@gmail.com>
49 lines
863 B
C
49 lines
863 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2016 Freescale Semiconductor, Inc.
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/mx7ulp-pins.h>
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#include <asm/arch/iomux.h>
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#include <asm/gpio.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define UART_PAD_CTRL (PAD_CTL_PUS_UP)
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int dram_init(void)
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{
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gd->ram_size = imx_ddr_size();
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return 0;
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}
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static iomux_cfg_t const lpuart4_pads[] = {
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MX7ULP_PAD_PTC3__LPUART4_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX7ULP_PAD_PTC2__LPUART4_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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static void setup_iomux_uart(void)
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{
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mx7ulp_iomux_setup_multiple_pads(lpuart4_pads,
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ARRAY_SIZE(lpuart4_pads));
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}
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int board_early_init_f(void)
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{
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setup_iomux_uart();
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return 0;
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}
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int board_init(void)
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{
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/* address of boot parameters */
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gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
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return 0;
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}
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