[PATCH] arm: exynos: Map iRAM APM area for Exynos850 SoC

[Sam Protsenko]

This iRAM APM area is needed for I3C access to PMIC via APM block.
Without this mapping any access to APM iRAM leads to "Synchronous Abort"
exception.

Signed-off-by: Sam Protsenko <semen.protsenko at linaro.org>
---
 arch/arm/mach-exynos/mmu-arm64.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/mach-exynos/mmu-arm64.c b/arch/arm/mach-exynos/mmu-arm64.c
index 30e522804fbf..4c154950f73b 100644
--- a/arch/arm/mach-exynos/mmu-arm64.c
+++ b/arch/arm/mach-exynos/mmu-arm64.c
@@ -101,6 +101,14 @@ struct mm_region *mem_map = exynos7880_mem_map;
 
 static struct mm_region exynos850_mem_map[] = {
 	{
+		/* iRAM */
+		.virt = 0x02000000UL,
+		.phys = 0x02000000UL,
+		.size = SZ_2M,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
 		/* Peripheral block */
 		.virt = 0x10000000UL,
 		.phys = 0x10000000UL,
-- 
2.39.2