diff options
| author | Aswath Govindraju <a-govindraju@ti.com> | 2021-06-04 22:00:38 +0530 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2021-06-09 22:23:44 +0530 |
| commit | 26f32c32b2506172130255ee2a136d66bc28905c (patch) | |
| tree | b24fcd19d4d83cc764d992e92263d2db20d88071 /configs/am64x_evm_r5_defconfig | |
| parent | 1c8b404b88a5389f9e25b644a42ccaaff433c919 (diff) | |
configs: am64x_evm_*_defconfig: Rearrange the components in SRAM to satisfy the limitations for USB DFU boot mode
For USB DFU boot mode there is a limitation on the load address of boot
images that they have to be less than 0x70001000. Therefore, move the
SPL_TEXT_BASE address to 0x70000000.
Currently ATF is being loaded at 0x70000000, if the SPL is being loaded at
0x70000000 then ATF would overwrite SPL image when loaded. Therefore, move
the location of ATF to a latter location in SRAM, past the SPL image. Also
rearrange the EEPROM and BSS data on top of ATF.
Given below is the placement of various data sections in SRAM
┌──────────────────────────────────────┐0x70000000
│ │
│ │
│ │
│ SPL IMAGE (Max size 1.5 MB) │
│ │
│ │
│ │
├──────────────────────────────────────┤0x7017FFFF
│ │
│ SPL STACK │
│ │
├──────────────────────────────────────┤0x70192727
│ GLOBAL DATA(216 B) │
├──────────────────────────────────────┤0x701927FF
│ │
│ INITIAL HEAP (32 KB) │
│ │
├──────────────────────────────────────┤0x7019A7FF
│ │
│ BSS (20 KB) │
├──────────────────────────────────────┤0x7019F7FF
│ EEPROM DATA (2 KB) │
├──────────────────────────────────────┤0x7019FFFF
│ │
│ │
│ ATF (123 KB) │
│ │
│ │
├──────────────────────────────────────┤0x701BEBFB
│ BOOT PARAMETER INDEX TABLE (5124 B)│
├──────────────────────────────────────┤0x701BFFFF
│ │
│SYSFW FIREWALLED DUE TO A BUG (128 KB)│
│ │
├──────────────────────────────────────┤0x701DFFFF
│ │
│ DMSC CODE AREA (128 KB) │
│ │
└──────────────────────────────────────┘0x701FFFFF
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20210604163043.12811-9-a-govindraju@ti.com
Diffstat (limited to 'configs/am64x_evm_r5_defconfig')
| -rw-r--r-- | configs/am64x_evm_r5_defconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/configs/am64x_evm_r5_defconfig b/configs/am64x_evm_r5_defconfig index 2810fa1fc5..de0c814222 100644 --- a/configs/am64x_evm_r5_defconfig +++ b/configs/am64x_evm_r5_defconfig @@ -10,7 +10,7 @@ CONFIG_ENV_SIZE=0x20000 CONFIG_SYS_SPI_U_BOOT_OFFS=0x80000 CONFIG_DM_GPIO=y CONFIG_SPL_DM_SPI=y -CONFIG_SPL_TEXT_BASE=0x70020000 +CONFIG_SPL_TEXT_BASE=0x70000000 CONFIG_SPL_MMC_SUPPORT=y CONFIG_SPL_SERIAL_SUPPORT=y CONFIG_SPL_DRIVERS_MISC_SUPPORT=y |