[PATCH 1/1] arm: apple: Add M1 Ultra support
Janne Grunau
j at jannau.net
Tue Mar 29 13:29:35 CEST 2022
The M1 Ultra consists of two M1 Max dies. The second die's I/O is at
a consistent offset of 0x2000000000.
Signed-off-by: Janne Grunau <j at jannau.net>
---
arch/arm/mach-apple/board.c | 167 ++++++++++++++++++++++++++++++++++++
1 file changed, 167 insertions(+)
diff --git a/arch/arm/mach-apple/board.c b/arch/arm/mach-apple/board.c
index 722dff1f64c5..ffc1301cf57f 100644
--- a/arch/arm/mach-apple/board.c
+++ b/arch/arm/mach-apple/board.c
@@ -177,6 +177,171 @@ static struct mm_region t6000_mem_map[] = {
}
};
+/* Apple M1 Ultra */
+
+static struct mm_region t6002_mem_map[] = {
+ {
+ /* I/O */
+ .virt = 0x280000000,
+ .phys = 0x280000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0x380000000,
+ .phys = 0x380000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0x580000000,
+ .phys = 0x580000000,
+ .size = SZ_512M,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* PCIE */
+ .virt = 0x5a0000000,
+ .phys = 0x5a0000000,
+ .size = SZ_512M,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRE) |
+ PTE_BLOCK_INNER_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* PCIE */
+ .virt = 0x5c0000000,
+ .phys = 0x5c0000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRE) |
+ PTE_BLOCK_INNER_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0x700000000,
+ .phys = 0x700000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0xb00000000,
+ .phys = 0xb00000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0xf00000000,
+ .phys = 0xf00000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0x1300000000,
+ .phys = 0x1300000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0x2280000000,
+ .phys = 0x2280000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0x2380000000,
+ .phys = 0x2380000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0x2580000000,
+ .phys = 0x2580000000,
+ .size = SZ_512M,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* PCIE */
+ .virt = 0x25a0000000,
+ .phys = 0x25a0000000,
+ .size = SZ_512M,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRE) |
+ PTE_BLOCK_INNER_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* PCIE */
+ .virt = 0x25c0000000,
+ .phys = 0x25c0000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRE) |
+ PTE_BLOCK_INNER_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0x2700000000,
+ .phys = 0x2700000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0x2b00000000,
+ .phys = 0x2b00000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0x2f00000000,
+ .phys = 0x2f00000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* I/O */
+ .virt = 0x3300000000,
+ .phys = 0x3300000000,
+ .size = SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* RAM */
+ .virt = 0x10000000000,
+ .phys = 0x10000000000,
+ .size = 16UL * SZ_1G,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+ /* Framebuffer */
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL_NC) |
+ PTE_BLOCK_INNER_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* List terminator */
+ 0,
+ }
+};
+
struct mm_region *mem_map;
int board_init(void)
@@ -216,6 +381,8 @@ void build_mem_map(void)
mem_map = t6000_mem_map;
else if (of_machine_is_compatible("apple,t6001"))
mem_map = t6000_mem_map;
+ else if (of_machine_is_compatible("apple,t6002"))
+ mem_map = t6002_mem_map;
else
panic("Unsupported SoC\n");
--
2.35.1
More information about the U-Boot
mailing list