From: Sam Protsenko Date: Sat, 25 May 2024 21:53:30 +0000 (-0500) Subject: arm: exynos: Map iRAM APM area for Exynos850 SoC X-Git-Url: http://git.dujemihanovic.xyz/img/static/git-logo.png?a=commitdiff_plain;h=7045c4dd04648fd2ba1806b75e139d941db0d6c5;p=u-boot.git arm: exynos: Map iRAM APM area for Exynos850 SoC 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 Signed-off-by: Minkyu Kang --- diff --git a/arch/arm/mach-exynos/mmu-arm64.c b/arch/arm/mach-exynos/mmu-arm64.c index 30e522804f..4c154950f7 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,