From c1ec34763811d2465c030bfa2fa8e240b36d60ce Mon Sep 17 00:00:00 2001
From: Marek Vasut <marek.vasut+renesas@gmail.com>
Date: Tue, 2 Oct 2018 21:42:49 +0200
Subject: [PATCH] ARM: rmobile: Mark 4-64GiB as DRAM on Gen3
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@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@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,
--
2.39.5