[U-Boot] [PATCH 12/18] arm: mx6: add support for Compulab cm-fx6 CoM

[Nikita Kiryanov <nikita@compulab.co.il>]

On 04/08/14 09:02, Tim Harvey wrote:
> On Sun, Aug 3, 2014 at 12:34 AM, Nikita Kiryanov <nikita@compulab.co.il> wrote:
>> Add initial support for Compulab CM-FX6 CoM.
>> Support includes MMC, SPI flash, and SPL with dynamic DRAM detection.
>>
> <snip>
>> diff --git a/include/configs/cm_fx6.h b/include/configs/cm_fx6.h
>> new file mode 100644
>> index 0000000..285af33
>> --- /dev/null
>> +++ b/include/configs/cm_fx6.h
>> @@ -0,0 +1,227 @@
>> +/*
>> + * Config file for Compulab CM-FX6 board
>> + *
>> + * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
>> + *
>> + * Author: Nikita Kiryanov <nikita@compulab.co.il>
>> + *
>> + * SPDX-License-Identifier:    GPL-2.0+
>> + */
>> +
>> +#ifndef __CONFIG_CM_FX6_H
>> +#define __CONFIG_CM_FX6_H
>> +
>> +#include <asm/arch/imx-regs.h>
>> +#include <config_distro_defaults.h>
>> +
>> +#define CONFIG_SYS_L2CACHE_OFF
>> +#include "mx6_common.h"
>> +
>> +/* Machine config */
>> +#define CONFIG_MX6
>> +#define CONFIG_MX6QDL
>> +#define CONFIG_CM_FX6
>> +#define CONFIG_SYS_LITTLE_ENDIAN
>> +#define CONFIG_MACH_TYPE               4273
>> +#define CONFIG_SYS_HZ                  1000
>> +
>> +/* Display information on boot */
>> +#define CONFIG_DISPLAY_CPUINFO
>> +#define CONFIG_DISPLAY_BOARDINFO
>> +#define CONFIG_TIMESTAMP
>> +
>> +/* CMD */
>> +#include <config_cmd_default.h>
>> +#define CONFIG_CMD_GREPENV
>> +#undef CONFIG_CMD_FLASH
>> +#undef CONFIG_CMD_LOADB
>> +#undef CONFIG_CMD_LOADS
>> +#undef CONFIG_CMD_XIMG
>> +#undef CONFIG_CMD_FPGA
>> +#undef CONFIG_CMD_IMLS
>> +#undef CONFIG_CMD_NET
>> +#undef CONFIG_CMD_NFS
>> +
>> +/* MMC */
>> +#define CONFIG_MMC
>> +#define CONFIG_CMD_MMC
>> +#define CONFIG_GENERIC_MMC
>> +#define CONFIG_FSL_ESDHC
>> +#define CONFIG_FSL_USDHC
>> +#define CONFIG_SYS_FSL_USDHC_NUM       3
>> +#define CONFIG_SYS_FSL_ESDHC_ADDR      USDHC2_BASE_ADDR
>> +
>> +/* RAM */
>> +#define PHYS_SDRAM_1                   MMDC0_ARB_BASE_ADDR
>> +#define PHYS_SDRAM_2                   MMDC1_ARB_BASE_ADDR
>> +#define CONFIG_SYS_SDRAM_BASE          PHYS_SDRAM_1
>> +#define CONFIG_NR_DRAM_BANKS           2
>> +#define CONFIG_SYS_MEMTEST_START       0x10000000
>> +#define CONFIG_SYS_MEMTEST_END         0x10010000
>> +#define CONFIG_SYS_INIT_RAM_ADDR       IRAM_BASE_ADDR
>> +#define CONFIG_SYS_INIT_RAM_SIZE       IRAM_SIZE
>> +#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)
>> +
>> +/* Serial console */
>> +#define CONFIG_MXC_UART
>> +#define CONFIG_MXC_UART_BASE           UART4_BASE
>> +#define CONFIG_BAUDRATE                        115200
>> +#define CONFIG_SYS_BAUDRATE_TABLE      {9600, 19200, 38400, 57600, 115200}
>> +
>> +/* Shell */
>> +#define CONFIG_SYS_PROMPT      "CM-FX6 # "
>> +#define CONFIG_SYS_CBSIZE      1024
>> +#define CONFIG_SYS_MAXARGS     16
>> +#define CONFIG_SYS_BARGSIZE    CONFIG_SYS_CBSIZE
>> +#define CONFIG_SYS_PBSIZE      (CONFIG_SYS_CBSIZE + \
>> +                                       sizeof(CONFIG_SYS_PROMPT) + 16)
>> +#define CONFIG_SYS_MONITOR_LEN (CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS / 2 * 1024)
>> +
>> +/* SPI flash */
>> +#define CONFIG_SYS_NO_FLASH
>> +#define CONFIG_CMD_SF
>> +#define CONFIG_SF_DEFAULT_BUS          0
>> +#define CONFIG_SF_DEFAULT_CS           0
>> +#define CONFIG_SF_DEFAULT_SPEED                25000000
>> +#define CONFIG_SF_DEFAULT_MODE         (SPI_MODE_0)
>> +
>> +/* Environment */
>> +#define CONFIG_ENV_OVERWRITE
>> +#define CONFIG_ENV_IS_IN_SPI_FLASH
>> +#define CONFIG_ENV_SPI_MAX_HZ          CONFIG_SF_DEFAULT_SPEED
>> +#define CONFIG_ENV_SPI_MODE            CONFIG_SF_DEFAULT_MODE
>> +#define CONFIG_ENV_SPI_BUS             CONFIG_SF_DEFAULT_BUS
>> +#define CONFIG_ENV_SPI_CS              CONFIG_SF_DEFAULT_CS
>> +#define CONFIG_ENV_SECT_SIZE           (64 * 1024)
>> +#define CONFIG_ENV_SIZE                        (8 * 1024)
>> +#define CONFIG_ENV_OFFSET              (768 * 1024)
>> +
>> +#define CONFIG_EXTRA_ENV_SETTINGS \
>> +       "kernel=uImage-cm-fx6\0" \
>> +       "autoload=no\0" \
>> +       "loadaddr=0x10800000\0" \
>> +       "fdtaddr=0x11000000\0" \
>> +       "console=ttymxc3,115200\0" \
>> +       "ethprime=FEC0\0" \
>> +       "bootscr=boot.scr\0" \
>> +       "bootm_low=18000000\0" \
>> +       "video_hdmi=mxcfb0:dev=hdmi,1920x1080M-32 at 50,if=RGB32\0" \
>> +       "video_dvi=mxcfb0:dev=dvi,1280x800M-32 at 50,if=RGB32\0" \
>> +       "fdtfile=cm-fx6.dtb\0" \
>> +       "doboot=bootm ${loadaddr}\0" \
>> +       "loadfdt=false\0" \
>> +       "setboottypez=setenv kernel zImage-cm-fx6;" \
>> +               "setenv doboot bootz ${loadaddr} - ${fdtaddr};" \
>> +               "setenv loadfdt true;\0" \
>> +       "setboottypem=setenv kernel uImage-cm-fx6;" \
>> +               "setenv doboot bootm ${loadaddr};" \
>> +               "setenv loadfdt false;\0"\
>> +       "run_eboot=echo Starting EBOOT ...; "\
>> +               "mmc dev ${mmcdev} && " \
>> +               "mmc rescan && mmc read 10042000 a 400 && go 10042000\0" \
>> +       "mmcdev=2\0" \
>> +       "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
>> +       "loadmmcbootscript=fatload mmc ${mmcdev} ${loadaddr} ${bootscr}\0" \
>> +       "mmcbootscript=echo Running bootscript from mmc ...; "\
>> +               "source ${loadaddr}\0" \
>> +       "mmcargs=setenv bootargs console=${console} " \
>> +               "root=${mmcroot} " \
>> +               "${video}\0" \
>> +       "mmcloadkernel=fatload mmc ${mmcdev} ${loadaddr} ${kernel}\0" \
>> +       "mmcloadfdt=fatload mmc ${mmcdev} ${fdtaddr} ${fdtfile}\0" \
>> +       "mmcboot=echo Booting from mmc ...; " \
>> +               "run mmcargs; " \
>> +               "run doboot\0" \
>> +       "nandroot=/dev/mtdblock4 rw\0" \
>> +       "nandrootfstype=ubifs\0" \
>> +       "nandargs=setenv bootargs console=${console} " \
>> +               "root=${nandroot} " \
>> +               "rootfstype=${nandrootfstype} " \
>> +               "${video}\0" \
>> +       "nandloadfdt=nand read ${fdtaddr} 780000 80000;\0" \
>> +       "nandboot=echo Booting from nand ...; " \
>> +               "run nandargs; " \
>> +               "nand read ${loadaddr} 0 780000; " \
>> +               "if ${loadfdt}; then " \
>> +                       "run nandloadfdt;" \
>> +               "fi; " \
>> +               "run doboot\0" \
>> +       "boot=mmc dev ${mmcdev}; " \
>> +               "if mmc rescan; then " \
>> +                       "if run loadmmcbootscript; then " \
>> +                               "run mmcbootscript;" \
>> +                       "else " \
>> +                               "if run mmcloadkernel; then " \
>> +                                       "if ${loadfdt}; then " \
>> +                                               "run mmcloadfdt;" \
>> +                                       "fi;" \
>> +                                       "run mmcboot;" \
>> +                               "fi;" \
>> +                       "fi;" \
>> +               "fi;"
>> +
>> +#define CONFIG_BOOTCOMMAND \
>> +       "run setboottypem; run boot"
>> +
>> +/* SPI */
>> +#define CONFIG_SPI
>> +#define CONFIG_MXC_SPI
>> +#define CONFIG_SPI_FLASH
>> +#define CONFIG_SPI_FLASH_ATMEL
>> +#define CONFIG_SPI_FLASH_EON
>> +#define CONFIG_SPI_FLASH_GIGADEVICE
>> +#define CONFIG_SPI_FLASH_MACRONIX
>> +#define CONFIG_SPI_FLASH_SPANSION
>> +#define CONFIG_SPI_FLASH_STMICRO
>> +#define CONFIG_SPI_FLASH_SST
>> +#define CONFIG_SPI_FLASH_WINBOND
>> +
>> +/* GPIO */
>> +#define CONFIG_MXC_GPIO
>> +
>> +/* Boot */
>> +#define CONFIG_ZERO_BOOTDELAY_CHECK
>> +#define CONFIG_LOADADDR                        0x10800000
>> +#define CONFIG_SYS_LOAD_ADDR           CONFIG_LOADADDR
>> +#define CONFIG_SYS_TEXT_BASE           0x10800000
>> +#define CONFIG_CMDLINE_TAG             /* enable passing of ATAGs */
>> +#define CONFIG_SYS_BOOTMAPSZ           (8 << 20)
>> +#define CONFIG_SETUP_MEMORY_TAGS
>> +#define CONFIG_INITRD_TAG
>> +
>> +/* misc */
>> +#define CONFIG_SYS_GENERIC_BOARD
>> +#define CONFIG_STACKSIZE                       (128 * 1024)
>> +#define CONFIG_SYS_MALLOC_LEN                  (2 * 1024 * 1024)
>> +#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS     800 /* 400 KB */
>> +
>> +/* SPL */
>> +#define CONFIG_SPL
>> +#define CONFIG_SPL_FRAMEWORK
>> +#define CONFIG_SPL_BOARD_INIT
>> +#define CONFIG_SPL_STACK               0x0091FFB8
>> +#define CONFIG_SPL_TEXT_BASE           0x00908000
>> +#define CONFIG_SPL_BSS_START_ADDR      0x18200000
>> +#define CONFIG_SPL_BSS_MAX_SIZE                0x00100000
>> +#define CONFIG_SYS_SPL_MALLOC_START    0x18300000
>> +#define CONFIG_SYS_SPL_MALLOC_SIZE     0x03200000
>> +#define CONFIG_SPL_MAX_SIZE            (62 * 1024)
>> +#define CONFIG_SPL_LIBDISK_SUPPORT
>> +#define CONFIG_SPL_LIBGENERIC_SUPPORT
>> +#define CONFIG_SPL_LIBCOMMON_SUPPORT
>> +#define CONFIG_SPL_GPIO_SUPPORT
>> +#define CONFIG_SPL_SERIAL_SUPPORT
>> +#define CONFIG_SPL_MMC_SUPPORT
>> +#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR        0x80 /* offset 64 kb */
>> +#define CONFIG_SPL_SPI_SUPPORT
>> +#define CONFIG_SPL_SPI_FLASH_SUPPORT
>> +#define CONFIG_SPL_SPI_BUS             CONFIG_SF_DEFAULT_BUS
>> +#define CONFIG_SPL_SPI_CS              CONFIG_SF_DEFAULT_CS
>> +#define CONFIG_SPL_SPI_MODE            CONFIG_SF_DEFAULT_MODE
>> +#define CONFIG_SYS_SPI_U_BOOT_OFFS     (64 * 1024)
>> +#define CONFIG_SPL_SPI_LOAD
>
> Nikita,
>
> Are the values in include/configs/imx6_spl.h too inflexible to use? If
> so, I can submit a patch in the future to remove that file and pull
> them all in my board config files as I'm the only user of it.

This is actually something I forgot to make use of when I was rebasing
the code over mainline. I'll try to use it in a v2.

>
> Regards,
>
> Tim
>