u-boot/include/configs/imx8mn_evk.h
Fabio Estevam 17bc2cf89b imx8mn_ddr4_evk: Allow booting the kernel by default
Currently it is not possible to boot Linux from the SD card
by default.

Make the necessary adjustments to allow it.

Reported-by: Peter Bergin <peter@berginkonsult.se>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Andrey Zhizhikin <andrey.z@gmail.com> # imx8mn_ddr4_evk
Reviewed-by: Peng Fan <peng.fan@nxp.com>
2021-04-05 08:08:56 -04:00

139 lines
4.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2018 NXP
*/
#ifndef __IMX8MN_EVK_H
#define __IMX8MN_EVK_H
#include <linux/sizes.h>
#include <linux/stringify.h>
#include <asm/arch/imx-regs.h>
#define CONFIG_SYS_BOOTM_LEN (32 * SZ_1M)
#define CONFIG_SPL_MAX_SIZE (148 * 1024)
#define CONFIG_SYS_MONITOR_LEN SZ_512K
#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300
#define CONFIG_SYS_UBOOT_BASE \
(QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
#ifdef CONFIG_SPL_BUILD
#define CONFIG_SPL_STACK 0x980000
#define CONFIG_SPL_BSS_START_ADDR 0x950000
#define CONFIG_SPL_BSS_MAX_SIZE SZ_8K /* 8 KB */
#define CONFIG_SYS_SPL_MALLOC_START 0x42200000
#define CONFIG_SYS_SPL_MALLOC_SIZE SZ_512K /* 512 KB */
/* For RAW image gives a error info not panic */
#define CONFIG_SPL_ABORT_ON_RAW_IMAGE
#endif
/* Initial environment variables */
#define CONFIG_EXTRA_ENV_SETTINGS \
"script=boot.scr\0" \
"image=Image\0" \
"console=ttymxc1,115200\0" \
"fdt_addr=0x43000000\0" \
"boot_fit=no\0" \
"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
"initrd_addr=0x43800000\0" \
"bootm_size=0x10000000\0" \
"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
"mmcautodetect=yes\0" \
"mmcargs=setenv bootargs console=${console} root=${mmcroot}\0 " \
"loadbootscript=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
"bootscript=echo Running bootscript from mmc ...; " \
"source\0" \
"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
"mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
"if test ${boot_fit} = yes || test ${boot_fit} = try; then " \
"bootm ${loadaddr}; " \
"else " \
"if run loadfdt; then " \
"booti ${loadaddr} - ${fdt_addr}; " \
"else " \
"echo WARN: Cannot load the DT; " \
"fi; " \
"fi;\0" \
"netargs=setenv bootargs console=${console} " \
"root=/dev/nfs " \
"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
"netboot=echo Booting from net ...; " \
"run netargs; " \
"if test ${ip_dyn} = yes; then " \
"setenv get_cmd dhcp; " \
"else " \
"setenv get_cmd tftp; " \
"fi; " \
"${get_cmd} ${loadaddr} ${image}; " \
"if test ${boot_fit} = yes || test ${boot_fit} = try; then " \
"bootm ${loadaddr}; " \
"else " \
"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
"booti ${loadaddr} - ${fdt_addr}; " \
"else " \
"echo WARN: Cannot load the DT; " \
"fi; " \
"fi;\0"
#define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"if run loadbootscript; then " \
"run bootscript; " \
"else " \
"if run loadimage; then " \
"run mmcboot; " \
"else run netboot; " \
"fi; " \
"fi; " \
"fi;"
/* Link Definitions */
#define CONFIG_LOADADDR 0x40480000
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
#define CONFIG_SYS_INIT_RAM_ADDR 0x40000000
#define CONFIG_SYS_INIT_RAM_SIZE 0x200000
#define CONFIG_SYS_INIT_SP_OFFSET \
(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR \
(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
#define CONFIG_MMCROOT "/dev/mmcblk1p2" /* USDHC2 */
/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN SZ_32M
#define CONFIG_SYS_SDRAM_BASE 0x40000000
#define PHYS_SDRAM 0x40000000
#define PHYS_SDRAM_SIZE 0x80000000 /* 2GB DDR */
#define CONFIG_MXC_UART_BASE UART2_BASE_ADDR
/* Monitor Command Prompt */
#define CONFIG_SYS_CBSIZE 2048
#define CONFIG_SYS_MAXARGS 64
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + 16)
/* USDHC */
#define CONFIG_FSL_USDHC
#define CONFIG_SYS_FSL_USDHC_NUM 2
#define CONFIG_SYS_FSL_ESDHC_ADDR 0
#define CONFIG_SYS_MMC_IMG_LOAD_PART 1
#define CONFIG_SYS_I2C_SPEED 100000
#endif