imx9: map flexspi peripheral interface

Signed-off-by: Jouni Ukkonen <jouni.ukkonen@unikie.com>

arch/arm64/include/imx9/chip.h

@@ -65,6 +65,9 @@
 #define CONFIG_OCRAM_BASE_ADDR    0x20480000
 #define CONFIG_OCRAM_SIZE         KB(640)
 
+#define CONFIG_FSPI_PER_BASEADDR  0x28000000
+#define CONFIG_FSPI_PER_SIZE      MB(128)
+
 #define MPID_TO_CLUSTER_ID(mpid)  ((mpid) & ~0xff)
 
 #define IMX9_GPIO_NPORTS          4

arch/arm64/src/imx9/imx9_boot.c

@@ -61,6 +61,10 @@ static const struct arm_mmu_region g_mmu_regions[] =
   MMU_REGION_FLAT_ENTRY("OCRAM",
                         CONFIG_OCRAM_BASE_ADDR, CONFIG_OCRAM_SIZE,
                         MT_NORMAL | MT_RW | MT_SECURE),
+
+  MMU_REGION_FLAT_ENTRY("FSPI_PERIPHERAL",
+                        CONFIG_FSPI_PER_BASEADDR, CONFIG_FSPI_PER_SIZE,
+                        MT_DEVICE_NGNRNE | MT_RW | MT_SECURE),
 };
 
 const struct arm_mmu_config g_mmu_config =