> Subject: Re: [PATCH 22/22] imx: Add i.MX8MM EVK board support. > > On 09.08.19 06:15, Peng Fan wrote: > > Add board and SoC dts > > Add ddr training code > > support SD/MMC/GPIO/PINCTRL/UART > > > > Signed-off-by: Peng Fan <peng....@nxp.com> > > --- > > arch/arm/dts/Makefile | 3 +-
[....] > > +} > > +#endif > > + > > +int dram_init(void) > > +{ > > + /* rom_pointer[1] contains the size of TEE occupies */ > > + if (rom_pointer[1]) > > + gd->ram_size = PHYS_SDRAM_SIZE - rom_pointer[1]; > > + else > > The above case should be guarded with "#ifdef CONFIG_OPTEE", because if > OPTEE is not used, rom_pointer[1] does not always seem to be zero. If OPTEE is not used, ATF will leave those registers as zero, so it will be zero. > > > + gd->ram_size = PHYS_SDRAM_SIZE; > > + > > + return 0; > > +} > > + [...] > > +CONFIG_SPL_LOAD_FIT=y > > +CONFIG_SPL_FIT_GENERATOR="arch/arm/mach-imx/mkimage_fit_atf.sh" > > For my custom i.MX8MM board I also use mkimage_fit_atf.sh, but I have done > three modifications and I'm wondering how you are using the unmodified > version. > > 1. It sets ATF_LOAD_ADDR="0x910000", but in imx-atf the BL31_BASE for > i.MX8MM is set to 0x920000. How to handle this mismatch for i.MX8M and > i.MX8MM? I have added README in patchset, need export ATF_LOAD_ADDR=0x920000 > > 2. For the 'images' section of the its file, I added 'os = "u-boot";' to the > 'uboot@1' section and "os = 'arm-trusted-firmware";' to the 'atf@1' > section. Without this SPL does not detect the binaries from the FIT image > correctly. Thanks for the fix. > > 3. In the 'config' section of the its file, I swapped the atf and uboot > entries, so > the atf binary is loaded as "firmware" and the u-boot binary as "loadable". > Together with the change above (2) this leads to SPL code using the correct > boot path as inteded by the code. Thanks for the fix. > > > +CONFIG_OF_BOARD_SETUP=y > > +CONFIG_OF_SYSTEM_SETUP=y > > > +CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/imx8m > /imximage-8mm-lpddr4.cfg" > > +CONFIG_DEFAULT_FDT_FILE="fsl-imx8mm-evk.dtb" > > +CONFIG_BOARD_LATE_INIT=y > > +CONFIG_BOARD_EARLY_INIT_F=y > > +CONFIG_SPL_TEXT_BASE=0x7E1000 > > +CONFIG_SPL_BOARD_INIT=y > > +CONFIG_SPL_SEPARATE_BSS=y > > +CONFIG_SPL_I2C_SUPPORT=y > > +CONFIG_HUSH_PARSER=y > > +CONFIG_SYS_PROMPT="u-boot=> " > > +# CONFIG_CMD_EXPORTENV is not set > > +# CONFIG_CMD_IMPORTENV is not set > > +# CONFIG_CMD_CRC32 is not set > > +CONFIG_CMD_CLK=y > > +CONFIG_CMD_FUSE=y > > +CONFIG_CMD_GPIO=y > > +CONFIG_CMD_I2C=y > > +CONFIG_CMD_MMC=y > > +CONFIG_CMD_CACHE=y > > +CONFIG_CMD_REGULATOR=y > > +CONFIG_CMD_EXT2=y > > +CONFIG_CMD_EXT4=y > > +CONFIG_CMD_EXT4_WRITE=y > > +CONFIG_CMD_FAT=y > > +CONFIG_OF_CONTROL=y > > +CONFIG_SPL_OF_CONTROL=y > > +CONFIG_DEFAULT_DEVICE_TREE="imx8mm-evk" > > +CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y > > +CONFIG_SPL_DM=y > > +CONFIG_SPL_CLK_COMPOSITE_CCF=y > > +CONFIG_CLK_COMPOSITE_CCF=y > > +CONFIG_SPL_CLK_IMX8MM=y > > +CONFIG_CLK_IMX8MM=y > > +CONFIG_DM_GPIO=y > > +CONFIG_MXC_GPIO=y > > +CONFIG_DM_I2C=y > > +CONFIG_SYS_I2C_MXC=y > > +CONFIG_SYS_I2C_MXC_I2C1=y > > +CONFIG_SYS_I2C_MXC_I2C2=y > > +CONFIG_SYS_I2C_MXC_I2C3=y > > +CONFIG_DM_MMC=y > > +CONFIG_SUPPORT_EMMC_BOOT=y > > +CONFIG_FSL_ESDHC_IMX=y > > +CONFIG_PHYLIB=y > > +CONFIG_DM_ETH=y > > +CONFIG_PINCTRL=y > > +CONFIG_SPL_PINCTRL=y > > +CONFIG_PINCTRL_IMX8M=y > > +CONFIG_DM_REGULATOR=y > > +CONFIG_DM_REGULATOR_FIXED=y > > +CONFIG_DM_REGULATOR_GPIO=y > > +CONFIG_MXC_UART=y > > +CONFIG_DM_THERMAL=y > > diff --git a/include/configs/imx8mm_evk.h > > b/include/configs/imx8mm_evk.h new file mode 100644 index > > 0000000000..cc63c44782 > > --- /dev/null > > +++ b/include/configs/imx8mm_evk.h > > @@ -0,0 +1,164 @@ > > +/* SPDX-License-Identifier: GPL-2.0+ */ > > +/* > > + * Copyright 2018 NXP > > + */ > > + > > +#ifndef __IMX8MM_EVK_H > > +#define __IMX8MM_EVK_H > > + > > +#include <linux/sizes.h> > > +#include <asm/arch/imx-regs.h> > > + > > +#ifdef CONFIG_SECURE_BOOT > > +#define CONFIG_CSF_SIZE 0x2000 /* 8K region */ > > +#endif > > + > > +#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_MMCSD_FS_BOOT_PARTITION 1 > > +#define CONFIG_SYS_UBOOT_BASE \ > > + (QSPI0_AMBA_BASE + > CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512) > > + > > +#ifdef CONFIG_SPL_BUILD > > +/*#define CONFIG_ENABLE_DDR_TRAINING_DEBUG*/ > > +#define CONFIG_SPL_WATCHDOG_SUPPORT > > +#define CONFIG_SPL_DRIVERS_MISC_SUPPORT #define > > +CONFIG_SPL_POWER_SUPPORT > > +#define CONFIG_SPL_LDSCRIPT > "arch/arm/cpu/armv8/u-boot-spl.lds" > > +#define CONFIG_SPL_STACK 0x91fff0 > > +#define CONFIG_SPL_BSS_START_ADDR 0x00910000 > > Nitpick: Remove the leading zeros from this address. Will fix. Thanks, Peng. > > > +#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 */ > > +#define CONFIG_SYS_ICACHE_OFF > > +#define CONFIG_SYS_DCACHE_OFF > > + > > +/* malloc f used before GD_FLG_FULL_MALLOC_INIT set */ > > +#define CONFIG_MALLOC_F_ADDR 0x930000 > > +/* For RAW image gives a error info not panic */ #define > > +CONFIG_SPL_ABORT_ON_RAW_IMAGE > > + > > +#endif > > + > > +#define CONFIG_REMAKE_ELF > > + > > +#define CONFIG_BOARD_POSTCLK_INIT > > + > > +/* Initial environment variables */ > > +#define CONFIG_EXTRA_ENV_SETTINGS \ > > + "script=boot.scr\0" \ > > + "image=Image\0" \ > > + "console=ttymxc1,115200 earlycon=ec_imx6q,0x30890000,115200\0" \ > > + "fdt_addr=0x43000000\0" \ > > + "fdt_high=0xffffffffffffffff\0" \ > > + "boot_fdt=try\0" \ > > + "fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \ > > + "initrd_addr=0x43800000\0" \ > > + "initrd_high=0xffffffffffffffff\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_fdt} = yes || test ${boot_fdt} = try; then " \ > > + "if run loadfdt; then " \ > > + "booti ${loadaddr} - ${fdt_addr}; " \ > > + "else " \ > > + "echo WARN: Cannot load the DT; " \ > > + "fi; " \ > > + "else " \ > > + "echo wait for boot; " \ > > + "fi;\0" \ > > + "netargs=setenv bootargs console=${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_fdt} = yes || test ${boot_fdt} = try; then " \ > > + "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ > > + "booti ${loadaddr} - ${fdt_addr}; " \ > > + "else " \ > > + "echo WARN: Cannot load the DT; " \ > > + "fi; " \ > > + "else " \ > > + "booti; " \ > > + "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; " \ > > + "else booti ${loadaddr} - ${fdt_addr}; 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_ENV_OVERWRITE > > +#if defined(CONFIG_ENV_IS_IN_MMC) > > +#define CONFIG_ENV_OFFSET (64 * SZ_64K) > > +#endif > > +#define CONFIG_ENV_SIZE 0x1000 > > +#define CONFIG_SYS_MMC_ENV_DEV 0 /* USDHC2 */ > > +#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_SYS_MEMTEST_START PHYS_SDRAM > > +#define CONFIG_SYS_MEMTEST_END > (CONFIG_SYS_MEMTEST_START + (PHYS_SDRAM_SIZE >> 1)) > > + > > +#define CONFIG_MXC_UART_BASE UART2_BASE_ADDR > > + > > +/* Monitor Command Prompt */ > > +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " > > +#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 > > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot