Commit e6fc8995d6654df23387ccac91543a2206cfcb36

Authored by Peng Fan
Committed by Stefano Babic
1 parent 8d7794615c

imx: mx6sabresd/sabreauto runtime setting fdt_file

Detect the SOC and board variant at runtime and change the dtb name,
but not hardcoding the fdt_file env variable.

Take the following patch as a reference.
Íd58699b157df75f1aa0b363ea9c21add21a0c
"mx6cuboxi: Load the correct 'fdtfile' variable"

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>

Showing 5 changed files with 38 additions and 12 deletions Side-by-side Diff

board/freescale/mx6qsabreauto/mx6qsabreauto.c
... ... @@ -522,6 +522,15 @@
522 522 add_board_boot_modes(board_boot_modes);
523 523 #endif
524 524  
  525 +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
  526 + setenv("board_name", "SABREAUTO");
  527 +
  528 + if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
  529 + setenv("board_rev", "MX6Q");
  530 + else if (is_cpu_type(MXC_CPU_MX6DL) || is_cpu_type(MXC_CPU_MX6SOLO))
  531 + setenv("board_rev", "MX6DL");
  532 +#endif
  533 +
525 534 return 0;
526 535 }
527 536  
board/freescale/mx6sabresd/mx6sabresd.c
... ... @@ -680,6 +680,16 @@
680 680 #ifdef CONFIG_CMD_BMODE
681 681 add_board_boot_modes(board_boot_modes);
682 682 #endif
  683 +
  684 +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
  685 + setenv("board_name", "SABRESD");
  686 +
  687 + if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
  688 + setenv("board_rev", "MX6Q");
  689 + else if (is_cpu_type(MXC_CPU_MX6DL) || is_cpu_type(MXC_CPU_MX6SOLO))
  690 + setenv("board_rev", "MX6DL");
  691 +#endif
  692 +
683 693 return 0;
684 694 }
685 695  
include/configs/mx6qsabreauto.h
... ... @@ -12,11 +12,6 @@
12 12 #define CONFIG_MACH_TYPE 3529
13 13 #define CONFIG_MXC_UART_BASE UART4_BASE
14 14 #define CONFIG_CONSOLE_DEV "ttymxc3"
15   -#if defined CONFIG_MX6Q
16   -#define CONFIG_DEFAULT_FDT_FILE "imx6q-sabreauto.dtb"
17   -#elif defined CONFIG_MX6DL
18   -#define CONFIG_DEFAULT_FDT_FILE "imx6dl-sabreauto.dtb"
19   -#endif
20 15 #define CONFIG_MMCROOT "/dev/mmcblk0p2"
21 16 #define PHYS_SDRAM_SIZE (2u * 1024 * 1024 * 1024)
22 17  
include/configs/mx6sabre_common.h
... ... @@ -70,10 +70,12 @@
70 70 #define EMMC_ENV ""
71 71 #endif
72 72  
  73 +#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
  74 +
73 75 #define CONFIG_EXTRA_ENV_SETTINGS \
74 76 "script=boot.scr\0" \
75 77 "image=zImage\0" \
76   - "fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \" \
  78 + "fdt_file=undefined\0" \" \
77 79 "fdt_addr=0x18000000\0" \
78 80 "boot_fdt=try\0" \
79 81 "ip_dyn=yes\0" \
80 82  
81 83  
... ... @@ -143,9 +145,24 @@
143 145 "fi; " \
144 146 "else " \
145 147 "bootz; " \
146   - "fi;\0"
  148 + "fi;\0" \
  149 + "findfdt="\
  150 + "if test $fdt_file = undefined; then " \
  151 + "if test $board_name = SABREAUTO && test $board_rev = MX6Q; then " \
  152 + "setenv fdt_file imx6q-sabreauto.dtb; fi; " \
  153 + "if test $board_name = SABREAUTO && test $board_rev = MX6DL; then " \
  154 + "setenv fdt_file imx6dl-sabreauto.dtb; fi; " \
  155 + "if test $board_name = SABRESD && test $board_rev = MX6Q; then " \
  156 + "setenv fdt_file imx6q-sabresd.dtb; fi; " \
  157 + "if test $board_name = SABRESD && test $board_rev = MX6DL; then " \
  158 + "setenv fdt_file imx6dl-sabresd.dtb; fi; " \
  159 + "if test $fdt_file = undefined; then " \
  160 + "echo WARNING: Could not determine dtb to use; fi; " \
  161 + "fi;\0" \
147 162  
  163 +
148 164 #define CONFIG_BOOTCOMMAND \
  165 + "run findfdt;" \
149 166 "mmc dev ${mmcdev};" \
150 167 "if mmc rescan; then " \
151 168 "if run loadbootscript; then " \
include/configs/mx6sabresd.h
... ... @@ -19,11 +19,6 @@
19 19 #define CONFIG_MXC_UART_BASE UART1_BASE
20 20 #define CONFIG_CONSOLE_DEV "ttymxc0"
21 21 #define CONFIG_MMCROOT "/dev/mmcblk1p2"
22   -#if defined(CONFIG_MX6Q)
23   -#define CONFIG_DEFAULT_FDT_FILE "imx6q-sabresd.dtb"
24   -#elif defined(CONFIG_MX6DL)
25   -#define CONFIG_DEFAULT_FDT_FILE "imx6dl-sabresd.dtb"
26   -#endif
27 22 #define PHYS_SDRAM_SIZE (1u * 1024 * 1024 * 1024)
28 23  
29 24 #define CONFIG_SUPPORT_EMMC_BOOT /* eMMC specific */