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https://github.com/brain-hackers/u-boot-brain
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439321b264
Add basic i.MX8MP EVK board support U-Boot SPL 2020.01-rc4-00388-gb1bf40c0ae-dirty (Dec 30 2019 - 17:55:33 +0800) power_pca9450b_init DDRINFO: start DRAM init DDRINFO:ddrphy calibration done DDRINFO: ddrmix config done Normal Boot Failed to find clock node. Check device tree WDT: Not found! Trying to boot from BOOTROM image offset 0x8000, pagesize 0x200, ivt offset 0x0 U-Boot 2020.01-rc4-00388-gb1bf40c0ae-dirty (Dec 30 2019 - 17:55:33 +0800) CPU: Freescale i.MX8MP rev1.0 at 1000 MHz Reset cause: POR Model: NXP i.MX8MPlus EVK board DRAM: 6 GiB MMC: FSL_SDHC: 1, FSL_SDHC: 2 Loading Environment from MMC... OK In: serial Out: serial Err: serial Net: No ethernet found. Hit any key to stop autoboot: 0 u-boot=> mmc list FSL_SDHC: 1 (SD) FSL_SDHC: 2 Signed-off-by: Peng Fan <peng.fan@nxp.com>
95 lines
1.9 KiB
C
95 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2019 NXP
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*/
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#include <common.h>
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#include <errno.h>
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#include <asm/mach-imx/iomux-v3.h>
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#include <asm-generic/gpio.h>
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#include <asm/arch/imx8mp_pins.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/mach-imx/gpio.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define UART_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_FSEL1)
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#define WDOG_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_ODE | PAD_CTL_PUE | PAD_CTL_PE)
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static iomux_v3_cfg_t const uart_pads[] = {
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MX8MP_PAD_UART2_RXD__UART2_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX8MP_PAD_UART2_TXD__UART2_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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static iomux_v3_cfg_t const wdog_pads[] = {
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MX8MP_PAD_GPIO1_IO02__WDOG1_WDOG_B | MUX_PAD_CTRL(WDOG_PAD_CTRL),
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};
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int board_early_init_f(void)
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{
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struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
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imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
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set_wdog_reset(wdog);
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imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
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return 0;
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}
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int dram_init(void)
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{
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/* rom_pointer[1] contains the size of TEE occupies */
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if (rom_pointer[1])
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gd->ram_size = PHYS_SDRAM_SIZE - rom_pointer[1];
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else
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gd->ram_size = PHYS_SDRAM_SIZE;
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#if CONFIG_NR_DRAM_BANKS > 1
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gd->ram_size += PHYS_SDRAM_2_SIZE;
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#endif
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return 0;
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}
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int dram_init_banksize(void)
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{
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gd->bd->bi_dram[0].start = PHYS_SDRAM;
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if (rom_pointer[1])
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gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE - rom_pointer[1];
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else
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gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
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#if CONFIG_NR_DRAM_BANKS > 1
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gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
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gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
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#endif
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return 0;
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}
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phys_size_t get_effective_memsize(void)
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{
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if (rom_pointer[1])
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return (PHYS_SDRAM_SIZE - rom_pointer[1]);
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else
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return PHYS_SDRAM_SIZE;
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}
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int board_init(void)
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{
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return 0;
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}
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int board_late_init(void)
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{
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#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
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env_set("board_name", "EVK");
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env_set("board_rev", "iMX8MP");
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#endif
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return 0;
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}
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