rpi5: add initial memory map for bcm2712
includes:
* 1GB of RAM (from 4GB or 8GB total)
* VPU memory interface
* SOC range (main peripherals)
Signed-off-by: Dmitry Malkin <dmi...@bedrocksystems.com>
---
v2:
new patch
---
arch/arm/mach-bcm283x/init.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/arch/arm/mach-bcm283x/init.c b/arch/arm/mach-bcm283x/init.c
index 7265faf6ce..362838e9b9 100644
--- a/arch/arm/mach-bcm283x/init.c
+++ b/arch/arm/mach-bcm283x/init.c
@@ -68,6 +68,33 @@ static struct mm_region
bcm2711_mem_map[MEM_MAP_MAX_ENTRIES] = {
}
};
+static struct mm_region bcm2712_mem_map[MEM_MAP_MAX_ENTRIES] = {
+ {
+ .virt = 0x00000000UL,
+ .phys = 0x00000000UL,
+ .size = 0x3f800000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+ .virt = 0x3f800000UL,
+ .phys = 0x3f800000UL,
+ .size = 0x00800000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ .virt = 0x107c000000UL,
+ .phys = 0x107c000000UL,
+ .size = 0x0004000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* List terminator */
+ 0,
+ }
+};
+
struct mm_region *mem_map = bcm283x_mem_map;
/*
@@ -78,6 +105,7 @@ static const struct udevice_id board_ids[] = {
{ .compatible = "brcm,bcm2837", .data = (ulong)&bcm283x_mem_map},
{ .compatible = "brcm,bcm2838", .data = (ulong)&bcm2711_mem_map},
{ .compatible = "brcm,bcm2711", .data = (ulong)&bcm2711_mem_map},
+ { .compatible = "brcm,bcm2712", .data = (ulong)&bcm2712_mem_map},
{ },
};
--
2.40.1
