diff options
| author | Sam Protsenko | 2020-01-24 17:53:49 +0200 |
|---|---|---|
| committer | Lokesh Vutla | 2020-02-04 09:07:24 +0530 |
| commit | add1a6bc9bc29a83721e07e34ff9bd2c1e48256f (patch) | |
| tree | 4045726ed106e6bc9cf71e54cf467075e3b6dddf /include/environment | |
| parent | d94e6dbcf64132c58dcde157988ab04a67a48344 (diff) | |
arm: ti: boot: Use correct dtb and dtbo on Android boot
Read correct dtb blob from boot.img/recovery.img and apply correct dtbo
blobs from dtbo partition.
Signed-off-by: Sam Protsenko <joe.skb7@gmail.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Diffstat (limited to 'include/environment')
| -rw-r--r-- | include/environment/ti/boot.h | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/include/environment/ti/boot.h b/include/environment/ti/boot.h index 5a0fc1dc5d1..523c8fc4fe9 100644 --- a/include/environment/ti/boot.h +++ b/include/environment/ti/boot.h @@ -81,6 +81,45 @@ #define AB_SELECT_ARGS "" #endif +/* + * Prepares complete device tree blob for current board (for Android boot). + * + * Boot image or recovery image should be loaded into $loadaddr prior to running + * these commands. The logic of these commnads is next: + * + * 1. Read correct DTB for current SoC/board from boot image in $loadaddr + * to $fdtaddr + * 2. Merge all needed DTBO for current board from 'dtbo' partition into read + * DTB + * 3. User should provide $fdtaddr as 3rd argument to 'bootm' + */ +#define PREPARE_FDT \ + "echo Preparing FDT...; " \ + "if test $board_name = am57xx_evm_reva3; then " \ + "echo \" Reading DTBO partition...\"; " \ + "part start mmc ${mmcdev} dtbo${slot_suffix} p_dtbo_start; " \ + "part size mmc ${mmcdev} dtbo${slot_suffix} p_dtbo_size; " \ + "mmc read ${dtboaddr} ${p_dtbo_start} ${p_dtbo_size}; " \ + "echo \" Reading DTB for AM57x EVM RevA3...\"; " \ + "abootimg get dtb --index=0 dtb_start dtb_size; " \ + "cp.b $dtb_start $fdtaddr $dtb_size; " \ + "fdt addr $fdtaddr; " \ + "echo \" Applying DTBOs for AM57x EVM RevA3...\"; " \ + "adtimg addr $dtboaddr; " \ + "adtimg get dt --index=0 dtbo0_addr; " \ + "fdt apply $dtbo0_addr; " \ + "adtimg get dt --index=1 dtbo1_addr; " \ + "fdt apply $dtbo1_addr; " \ + "elif test $board_name = beagle_x15_revc; then " \ + "echo \" Reading DTB for Beagle X15 RevC...\"; " \ + "abootimg get dtb --index=0 dtb_start dtb_size; " \ + "cp.b $dtb_start $fdtaddr $dtb_size; " \ + "fdt addr $fdtaddr; " \ + "else " \ + "echo Error: Android boot is not supported for $board_name; " \ + "exit; " \ + "fi; " \ + #define FASTBOOT_CMD \ "echo Booting into fastboot ...; " \ "fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " @@ -137,9 +176,7 @@ "if part start mmc $mmcdev $apart boot_start; then " \ "part size mmc $mmcdev $apart boot_size; " \ "mmc read $loadaddr $boot_start $boot_size; " \ - "abootimg get dtb --index=0 dtb_start dtb_size; " \ - "cp.b $dtb_start $fdtaddr $dtb_size; " \ - "fdt addr $fdtaddr; " \ + PREPARE_FDT \ "bootm $loadaddr $ardaddr $fdtaddr; " \ "else " \ "echo $apart partition not found; " \ |