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imx9: Calculate DDR size from DDRC setting

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To avoid using static setting for ECC enabled DDR size, switch
to calculate DDR size from DDRC setting

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Ye Li 2023-04-28 12:08:45 +08:00 committed by Stefano Babic
parent 212a4e1961
commit dace5e9fdc
1 changed files with 17 additions and 4 deletions
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21
arch/arm/mach-imx/imx9/soc.c
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@ -36,6 +36,7 @@
#include <asm/arch-imx/cpu.h>
#include <asm/mach-imx/s400_api.h>
#include <fuse.h>
#include <asm/arch/ddr.h>
DECLARE_GLOBAL_DATA_PTR;
@ -327,14 +328,26 @@ void enable_caches(void)
__weak int board_phys_sdram_size(phys_size_t *size)
{
phys_size_t start, end;
phys_size_t val;
if (!size)
return -EINVAL;
*size = PHYS_SDRAM_SIZE;
val = readl(REG_DDR_CS0_BNDS);
start = (val >> 16) << 24;
end = (val & 0xFFFF);
end = end ? end + 1 : 0;
end = end << 24;
*size = end - start;
val = readl(REG_DDR_CS1_BNDS);
start = (val >> 16) << 24;
end = (val & 0xFFFF);
end = end ? end + 1 : 0;
end = end << 24;
*size += end - start;
#ifdef PHYS_SDRAM_2_SIZE
*size += PHYS_SDRAM_2_SIZE;
#endif
return 0;
}