On Mon, 2026-02-09 at 10:39 -0600, David Lechner wrote: > Add a CONFIG_MTK_MEM_MAP_DDR_BASE_PHY variable to specify the DDR > base > physical address for the Mediatek ARMv8 memory map. This will be used > by MT8196 in the future which has a different DDR base address than > other Mediatek SoCs. > > Signed-off-by: David Lechner <[email protected]> > --- > v2 changes: new patch in v2 > --- > arch/arm/mach-mediatek/Kconfig | 6 ++++++ > arch/arm/mach-mediatek/armv8-mem-map.c | 4 ++-- > 2 files changed, 8 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach- > mediatek/Kconfig > index 33717a1864f..d10aedc303b 100644 > --- a/arch/arm/mach-mediatek/Kconfig > +++ b/arch/arm/mach-mediatek/Kconfig > @@ -132,6 +132,12 @@ endchoice > > if ARM64 > > +config MTK_MEM_MAP_DDR_BASE_PHY > + hex "DDR physical base address" > + default 0x40000000 > + help > + Target-specific DDR physical base address. > + > config MTK_MEM_MAP_DDR_SIZE > hex "DDR .size in mem_map" > default 0x200000000 if TARGET_MT7987 || TARGET_MT7988 || > TARGET_MT8188 > diff --git a/arch/arm/mach-mediatek/armv8-mem-map.c b/arch/arm/mach- > mediatek/armv8-mem-map.c > index 3587a2a9dd2..cbaa9b4c267 100644 > --- a/arch/arm/mach-mediatek/armv8-mem-map.c > +++ b/arch/arm/mach-mediatek/armv8-mem-map.c > @@ -5,8 +5,8 @@ > static struct mm_region mediatek_mem_map[] = { > { > /* DDR */ > - .virt = 0x40000000UL, > - .phys = 0x40000000UL, > + .virt = CONFIG_MTK_MEM_MAP_DDR_BASE_PHY, > + .phys = CONFIG_MTK_MEM_MAP_DDR_BASE_PHY, > .size = CONFIG_MTK_MEM_MAP_DDR_SIZE, > .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | > PTE_BLOCK_OUTER_SHARE, > }, { >
Reviewed-by: Macpaul Lin <[email protected]> Thanks! Macpaul Lin
