Hi Ivan,
Am 18.12.23 um 22:03 schrieb Ivan T. Ivanov:
From: Dmitry Malkin dmitry@bedrocksystems.com
includes:
- 1GB of RAM (from 4GB or 8GB total)
- VPU memory interface
- AXI ranges (main peripherals)
my experience with U-Boot is little, but i do my best to give you some feedback.
Signed-off-by: Dmitry Malkin dmitry@bedrocksystems.com Signed-off-by: Ivan T. Ivanov iivanov@suse.de
arch/arm/mach-bcm283x/init.c | 38 +++++++++++++++++++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-bcm283x/init.c b/arch/arm/mach-bcm283x/init.c index 7265faf6ce..af23b9711a 100644 --- a/arch/arm/mach-bcm283x/init.c +++ b/arch/arm/mach-bcm283x/init.c @@ -19,7 +19,7 @@ #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] = { { @@ -68,6 +68,41 @@ static struct mm_region bcm2711_mem_map[MEM_MAP_MAX_ENTRIES] = { } };
+static struct mm_region bcm2712_mem_map[MEM_MAP_MAX_ENTRIES] = {
- {
in comparison to mach-imx/imx9/soc.c most of the memory maps doesn't have a describing comment.
.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- }, {
/* Beginning of AXI bus where uSD controller lives */.virt = 0x1000000000UL,.phys = 0x1000000000UL,.size = 0x0002000000UL,.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 +113,7 @@ 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}, { }, };
Looking at the complete file, i saw the function print_cpuinfo(). Personally i think it's wrong to print BCM283x in case of a RPI 4 or 5.