[PATCH] arm: apple: Add initial Apple M2 Ultra support

[Janne Grunau]

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 at 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 at jannau.net>