diff mbox series

[v2,02/12] ARM: mach-k3: arm64-mmu: map 64bit FSS MMIO space in A53 MMU

Message ID 20200204053959.8802-3-vigneshr@ti.com
State Accepted, archived
Commit 8915a40da4298ebe69052e3538cd33f917a85351
Delegated to: Lokesh Vutla
Headers show
Series TI: AM654/J721e: Add support to boot from OSPI | expand

Commit Message

Raghavendra, Vignesh Feb. 4, 2020, 5:39 a.m. UTC 
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@ti.com>
---
 arch/arm/mach-k3/arm64-mmu.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

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,