RPI: Add memory map for bcm2711

Define the memory map for the BCM2711 based on the dt configuration
available in the Raspberry Pi kernel fork.
Signed-off-by: NAndrei Gherzan <andrei@balena.io>
[mb: BCM2838 -> BCM2711]
Signed-off-by: NMatthias Brugger <mbrugger@suse.com>

board/raspberrypi/rpi/rpi.c

@@ -249,7 +249,8 @@ static uint32_t rev_type;
 static const struct rpi_model *model;
 
 #ifdef CONFIG_ARM64
-static struct mm_region bcm2837_mem_map[] = {
+#ifndef CONFIG_BCM2711
+static struct mm_region bcm283x_mem_map[] = {
 	{
 		.virt = 0x00000000UL,
 		.phys = 0x00000000UL,
@@ -268,8 +269,28 @@ static struct mm_region bcm2837_mem_map[] = {
 		0,
 	}
 };
-
-struct mm_region *mem_map = bcm2837_mem_map;
+#else
+static struct mm_region bcm283x_mem_map[] = {
+	{
+		.virt = 0x00000000UL,
+		.phys = 0x00000000UL,
+		.size = 0xfe000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		.virt = 0xfe000000UL,
+		.phys = 0xfe000000UL,
+		.size = 0x01800000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		/* List terminator */
+		0,
+	}
+};
+#endif
+struct mm_region *mem_map = bcm283x_mem_map;
 #endif
 
 int dram_init(void)