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rockchip: sdram: Allow the first bank to extend beyond 4 GiB

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Allow the first bank to extend beyond 4 GiB when the blob of space for
peripheral is located before start of DRAM, e.g. when start of DRAM
is 0x40000000 and continue beyond the 4 GiB mark.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Jonas Karlman 2025-01-30 22:07:11 +00:00 committed by Kever Yang
parent 64cec76899
commit 57ad1ed7e8
1 changed files with 2 additions and 0 deletions
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arch/arm/mach-rockchip/sdram.c
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@ -309,6 +309,8 @@ int dram_init_banksize(void)
if (ram_top > SZ_4G && top < SZ_4G) {
gd->bd->bi_dram[1].start = SZ_4G;
gd->bd->bi_dram[1].size = ram_top - gd->bd->bi_dram[1].start;
} else if (ram_top > SZ_4G && top == SZ_4G) {
gd->bd->bi_dram[0].size = ram_top - gd->bd->bi_dram[0].start;
}
#else
#ifdef CONFIG_SPL_OPTEE_IMAGE