Apple's M2 Ultra SoC are somewhat similar to the M1 Ultra but needs
a tweaked memory map as the M2 Pro/Max SoCs. USB, NVMe, UART, WDT
and PCIe are working with the existing drivers.
Signed-off-by: Janne Grunau <j...@jannau.net>
---
arch/arm/mach-apple/board.c | 183 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 183 insertions(+)
diff --git a/arch/arm/mach-apple/board.c b/arch/arm/mach-apple/board.c
index d50194811843..47393babbc62 100644
--- a/arch/arm/mach-apple/board.c
+++ b/arch/arm/mach-apple/board.c
@@ -444,6 +444,187 @@ static struct mm_region t6020_mem_map[] = {
}
};
+/* Apple M2 Ultra */
+
+static struct mm_region t6022_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 = 0x340000000,
+ .phys = 0x340000000,
+ .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 = 0x2340000000,
+ .phys = 0x2340000000,
+ .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)
@@ -488,6 +669,8 @@ void build_mem_map(void)
else if (of_machine_is_compatible("apple,t6020") ||
of_machine_is_compatible("apple,t6021"))
mem_map = t6020_mem_map;
+ else if (of_machine_is_compatible("apple,t6022"))
+ mem_map = t6022_mem_map;
else
panic("Unsupported SoC\n");
---
base-commit: c0c08be5468cb26db597932bc69c4eda1129841d
change-id: 20230906-apple_t6022_m2_ultra-9146e34619e6
Best regards,
--
Janne Grunau <j...@jannau.net>
