[PATCH 1/2] arm64: versal2: Drop static DDR MMU mappings
Michal Simek
michal.simek at amd.com
Tue Jun 23 10:02:38 CEST 2026
On 6/11/26 14:10, Michal Simek wrote:
> DDR coverage is already populated later from the DRAM banks discovered by
> mem_map_fill(). Drop the stale static mappings so the MMU table matches
> address map more closely.
>
> Signed-off-by: Michal Simek <michal.simek at amd.com>
> ---
>
> arch/arm/mach-versal2/cpu.c | 17 ++---------------
> 1 file changed, 2 insertions(+), 15 deletions(-)
>
> diff --git a/arch/arm/mach-versal2/cpu.c b/arch/arm/mach-versal2/cpu.c
> index 3f3bfc949360..f5db0660ad54 100644
> --- a/arch/arm/mach-versal2/cpu.c
> +++ b/arch/arm/mach-versal2/cpu.c
> @@ -27,9 +27,9 @@
> DECLARE_GLOBAL_DATA_PTR;
>
> #if CONFIG_IS_ENABLED(PCIE_DW_AMD)
> -#define VERSAL2_MEM_MAP_USED 6
> +#define VERSAL2_MEM_MAP_USED 4
> #else
> -#define VERSAL2_MEM_MAP_USED 5
> +#define VERSAL2_MEM_MAP_USED 3
> #endif
>
> #define DRAM_BANKS CONFIG_NR_DRAM_BANKS
> @@ -59,19 +59,6 @@ static struct mm_region versal2_mem_map[VERSAL2_MEM_MAP_MAX] = {
> .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
> PTE_BLOCK_NON_SHARE |
> PTE_BLOCK_PXN | PTE_BLOCK_UXN
> - }, {
> - .virt = 0x600000000UL,
> - .phys = 0x600000000UL,
> - .size = 0x800000000UL,
> - .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
> - PTE_BLOCK_INNER_SHARE
> - }, {
> - .virt = 0xe00000000UL,
> - .phys = 0xe00000000UL,
> - .size = 0xf200000000UL,
> - .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
> - PTE_BLOCK_NON_SHARE |
> - PTE_BLOCK_PXN | PTE_BLOCK_UXN
> #if CONFIG_IS_ENABLED(PCIE_DW_AMD)
> }, {
> /* PCIe DBI (1 MB) and config space (255 MB) are contiguous */
Applied.
M
More information about the U-Boot
mailing list