summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/riscv/cpu/fu540/dram.c7
-rw-r--r--arch/riscv/cpu/generic/dram.c7
2 files changed, 6 insertions, 8 deletions
diff --git a/arch/riscv/cpu/fu540/dram.c b/arch/riscv/cpu/fu540/dram.c
index 1dc77efeca..259da65a54 100644
--- a/arch/riscv/cpu/fu540/dram.c
+++ b/arch/riscv/cpu/fu540/dram.c
@@ -22,7 +22,6 @@ int dram_init_banksize(void)
ulong board_get_usable_ram_top(ulong total_size)
{
-#ifdef CONFIG_64BIT
/*
* Ensure that we run from first 4GB so that all
* addresses used by U-Boot are 32bit addresses.
@@ -31,8 +30,8 @@ ulong board_get_usable_ram_top(ulong total_size)
* devices work fine because DMA mapping APIs will
* provide 32bit DMA addresses only.
*/
- if (gd->ram_top > SZ_4G)
- return SZ_4G;
-#endif
+ if (gd->ram_top >= SZ_4G)
+ return SZ_4G - 1;
+
return gd->ram_top;
}
diff --git a/arch/riscv/cpu/generic/dram.c b/arch/riscv/cpu/generic/dram.c
index 1dc77efeca..259da65a54 100644
--- a/arch/riscv/cpu/generic/dram.c
+++ b/arch/riscv/cpu/generic/dram.c
@@ -22,7 +22,6 @@ int dram_init_banksize(void)
ulong board_get_usable_ram_top(ulong total_size)
{
-#ifdef CONFIG_64BIT
/*
* Ensure that we run from first 4GB so that all
* addresses used by U-Boot are 32bit addresses.
@@ -31,8 +30,8 @@ ulong board_get_usable_ram_top(ulong total_size)
* devices work fine because DMA mapping APIs will
* provide 32bit DMA addresses only.
*/
- if (gd->ram_top > SZ_4G)
- return SZ_4G;
-#endif
+ if (gd->ram_top >= SZ_4G)
+ return SZ_4G - 1;
+
return gd->ram_top;
}