diff options
| author | Jonas Karlman | 2024-03-02 19:16:14 +0000 |
|---|---|---|
| committer | Kever Yang | 2024-03-14 15:27:29 +0800 |
| commit | 5e7cd8a119953dc2f466fea81e230d683ee03493 (patch) | |
| tree | b689da975f2063dc3a218a810f21755667e92c96 /arch | |
| parent | f01a3992035be54ebec950cf4187a052ea0516a1 (diff) | |
rockchip: Use common bss and stack addresses on RK3399
With the stack and text base used by U-Boot SPL and proper on RK3399
there is a high likelihood of overlapping when U-Boot proper + FDT nears
or exceeded 1 MiB in size.
Currently the following memory layout is typically used on RK3399:
[ 0, 256K) - SPL binary
[ 256K, 2M) - TF-A / reserved
[ 2M, +X) - U-Boot proper binary (TEXT_BASE)
[ -X, 3M) - U-Boot proper pre-reloc stack (CUSTOM_SYS_INIT_SP_ADDR)
[ -16K, 3M) - pre-reloc malloc heap (SYS_MALLOC_F_LEN)
[ -X, 4M) - SPL pre-reloc stack (SPL_STACK)
[ -16K, 4M) - pre-reloc malloc heap (SPL_SYS_MALLOC_F_LEN)
[ 4M, +8K) - SPL bss (SPL_BSS_START_ADDR, SPL_BSS_MAX_SIZE)
[ -X, 64M) - SPL reloc stack (SPL_STACK_R_ADDR)
[ 63M, 64M) - reloc malloc heap (SPL_STACK_R_MALLOC_SIMPLE_LEN)
SPL can safely load U-Boot proper + FDT to [2M, 4M-16K) with this layout.
However, the stack at [-X, 3M) used during U-Boot proper pre-reloc is
restricting the safe size of U-Boot proper + FDT to be less than 1 MiB.
Migrate to use common bss, stack and malloc heap size and addresses to
fix this restriction and allow for a larger U-Boot proper image size.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-rockchip/rk3399/Kconfig | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/mach-rockchip/rk3399/Kconfig b/arch/arm/mach-rockchip/rk3399/Kconfig index d01063ac98b..38904291dfa 100644 --- a/arch/arm/mach-rockchip/rk3399/Kconfig +++ b/arch/arm/mach-rockchip/rk3399/Kconfig @@ -138,8 +138,11 @@ config ROCKCHIP_STIMER_BASE config SYS_SOC default "rk3399" +config ROCKCHIP_COMMON_STACK_ADDR + default y + config SYS_MALLOC_F_LEN - default 0x4000 + default 0x4000 if !SPL_SHARES_INIT_SP_ADDR config SPL_LIBCOMMON_SUPPORT default y @@ -157,7 +160,7 @@ config TPL_TEXT_BASE default 0xff8c2000 config SPL_STACK_R_ADDR - default 0x04000000 + default 0x04000000 if !SPL_SHARES_INIT_SP_ADDR if BOOTCOUNT_LIMIT |