Hi Ivan,
Am 18.12.23 um 22:03 schrieb Ivan T. Ivanov:
From: Dmitry Malkin <dmi...@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 <dmi...@bedrocksystems.com>
Signed-off-by: Ivan T. Ivanov <iiva...@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.
