1 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm/mach-stm32mp/stm32mp2/arm64-mmu.c b/arch/arm/mach-stm32mp/stm32mp2/arm64-mmu.c
new file mode 100644
index 0000000..a203eeb
--- /dev/null
+++ b/arch/arm/mach-stm32mp/stm32mp2/arm64-mmu.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause
+/*
+ * Copyright (C) 2023, STMicroelectronics - All Rights Reserved
+ */
+
+#include <common.h>
+#include <asm/system.h>
+#include <asm/armv8/mmu.h>
+
+#define MP2_MEM_MAP_MAX 10
+
+#if (CONFIG_TEXT_BASE < STM32_DDR_BASE) || \
+	(CONFIG_TEXT_BASE > (STM32_DDR_BASE + STM32_DDR_SIZE))
+#error "invalid CONFIG_TEXT_BASE value"
+#endif
+
+struct mm_region stm32mp2_mem_map[MP2_MEM_MAP_MAX] = {
+	{
+		/* PCIe */
+		.virt = 0x10000000UL,
+		.phys = 0x10000000UL,
+		.size = 0x10000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		/* LPSRAMs, VDERAM, RETRAM, SRAMs, SYSRAM: alias1 */
+		.virt = 0x20000000UL,
+		.phys = 0x20000000UL,
+		.size = 0x00200000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		/* Peripherals: alias1 */
+		.virt = 0x40000000UL,
+		.phys = 0x40000000UL,
+		.size = 0x10000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		/* OSPI and FMC: memory-map area */
+		.virt = 0x60000000UL,
+		.phys = 0x60000000UL,
+		.size = 0x20000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		/*
+		 * DDR = STM32_DDR_BASE / STM32_DDR_SIZE
+		 * the beginning of DDR (before CONFIG_TEXT_BASE) is not
+		 * mapped, protected by RIF and reserved for other firmware
+		 * (OP-TEE / TF-M / Cube M33)
+		 */
+		.virt = CONFIG_TEXT_BASE,
+		.phys = CONFIG_TEXT_BASE,
+		.size = STM32_DDR_SIZE - (CONFIG_TEXT_BASE - STM32_DDR_BASE),
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		/* List terminator */
+		0,
+	}
+};
+
+struct mm_region *mem_map = stm32mp2_mem_map;