diff options
| author | Torsten Duwe <[email protected]> | 2026-06-01 12:39:20 +0200 |
|---|---|---|
| committer | Peter Robinson <[email protected]> | 2026-06-04 10:50:04 +0100 |
| commit | b20ce94bb9d06c0bffe6cf0b2795fb021f7c0052 (patch) | |
| tree | ddd3f01e7e20088bf5b74c0076fd144d862acbb8 | |
| parent | 76d62273bc8a5dc126ed79ed0fb65e5a97359577 (diff) | |
ARM: bcm283x: Add bcm2712 PCIe memory window
Add a mapping region for the PCIe bus address spaces to the BCM2712
memory controller setup. Generously merging the PCIe address spaces
works sufficiently well for a boot loader.
Signed-off-by: Torsten Duwe <[email protected]>
Co-authored-by: Oleksii Moisieiev <[email protected]>
Tested-by: Pedro Falcato <[email protected]>
Reviewed-by: Peter Robinson <[email protected]>
| -rw-r--r-- | arch/arm/mach-bcm283x/init.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm/mach-bcm283x/init.c b/arch/arm/mach-bcm283x/init.c index 7a1de22e0ae..7a2faaa4de6 100644 --- a/arch/arm/mach-bcm283x/init.c +++ b/arch/arm/mach-bcm283x/init.c @@ -18,7 +18,7 @@ #ifdef CONFIG_ARM64 #include <asm/armv8/mmu.h> -#define MEM_MAP_MAX_ENTRIES (4) +#define MEM_MAP_MAX_ENTRIES (5) static struct mm_region bcm283x_mem_map[MEM_MAP_MAX_ENTRIES] = { { @@ -84,6 +84,14 @@ static struct mm_region bcm2712_mem_map[MEM_MAP_MAX_ENTRIES] = { PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN }, { + /* Whole PCIe section */ + .virt = 0x1800000000UL, + .phys = 0x1800000000UL, + .size = 0x0800000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { /* SoC bus */ .virt = 0x107c000000UL, .phys = 0x107c000000UL, |