[U-Boot] [PATCH] ARM: rmobile: Mark 4-64GiB as DRAM on Gen3

[Marek Vasut]

Mark area 0x1_0000_0000 - 0x10_0000_0000 as DRAM on Gen3 as the
chip is capable of addressing that and U-Boot can make use of it.
This patch prevents exception when accessing those areas.

Signed-off-by: Marek Vasut <marek.vasut+renesas at gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
---
 arch/arm/mach-rmobile/memmap-gen3.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-rmobile/memmap-gen3.c b/arch/arm/mach-rmobile/memmap-gen3.c
index 57a2f88fc4..92c8f2e80d 100644
--- a/arch/arm/mach-rmobile/memmap-gen3.c
+++ b/arch/arm/mach-rmobile/memmap-gen3.c
@@ -29,6 +29,12 @@ static struct mm_region gen3_mem_map[] = {
 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
 			 PTE_BLOCK_NON_SHARE |
 			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		.virt = 0x100000000UL,
+		.phys = 0x100000000UL,
+		.size = 0xf00000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
 	}, {
 		/* List terminator */
 		0,
-- 
2.18.0