rockchip: Use common bss and stack addresses on RK3308
Currently the following memory layout is typically used on RK3308:
[ 0, 256K) - SPL binary
[ 256K, 2M) - TF-A / reserved
[ -X, 4M) - SPL pre-reloc stack (SPL_STACK)
[ -8K, 4M) - pre-reloc malloc heap (SPL_SYS_MALLOC_F_LEN)
[ 4M, +8K) - SPL bss (SPL_BSS_START_ADDR, SPL_BSS_MAX_SIZE)
[ 6M, +X) - U-Boot proper binary (TEXT_BASE)
[ -X, 8M) - U-Boot proper pre-reloc stack (CUSTOM_SYS_INIT_SP_ADDR)
[ -8K, 8M) - pre-reloc malloc heap (SYS_MALLOC_F_LEN)
[ -X, 12M) - SPL reloc stack (SPL_STACK_R_ADDR)
[ 11M, 12M) - reloc malloc heap (SPL_STACK_R_MALLOC_SIMPLE_LEN)
SPL can safely load U-Boot proper + FDT to [6M, 8M-8K) with this layout.
Migrate to use common bss, stack and malloc heap size and addresses to
remove this size limitation and extend the malloc heap size being used.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
41098d2e3e