[PATCH 2/9] ARM: mach-k3: arm64-mmu: map 64bit FSS MMIO space in A53 MMU
Vignesh Raghavendra
vigneshr at ti.com
Wed Jan 29 13:18:48 CET 2020
Populate address mapping entries in A53 MMU for 4 GB of MMIO space
reserved for providing MMIO access to multiple flash devices through
OSPI/HBMC IPs within FSS.
Signed-off-by: Vignesh Raghavendra <vigneshr at ti.com>
---
arch/arm/mach-k3/arm64-mmu.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/mach-k3/arm64-mmu.c b/arch/arm/mach-k3/arm64-mmu.c
index 7f908eee803b..b1d1d6e494fc 100644
--- a/arch/arm/mach-k3/arm64-mmu.c
+++ b/arch/arm/mach-k3/arm64-mmu.c
@@ -49,6 +49,13 @@ struct mm_region am654_mem_map[NR_MMU_REGIONS] = {
.size = 0x80000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE
+ }, {
+ .virt = 0x500000000UL,
+ .phys = 0x500000000UL,
+ .size = 0x400000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
}, {
/* List terminator */
0,
--
2.25.0
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