[PATCH] xilinx: r5: Fix MPU setting for R5

[Michal Simek]

Map all resource for R5 to operate properly.
The patch is done based on the commit 23f7b1a77602 ("armv7R: K3: am654:
Enable MPU regions") which also map the whole 4GB at first and then change
mapping for DDR.

Signed-off-by: Michal Simek <michal.si...@xilinx.com>
---

 arch/arm/mach-zynqmp-r5/cpu.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-zynqmp-r5/cpu.c b/arch/arm/mach-zynqmp-r5/cpu.c
index b3402d718950..87c1d75f9f3c 100644
--- a/arch/arm/mach-zynqmp-r5/cpu.c
+++ b/arch/arm/mach-zynqmp-r5/cpu.c
@@ -11,11 +11,9 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 struct mpu_region_config region_config[] = {
-       { 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW,
-         O_I_WB_RD_WR_ALLOC, REGION_1GB },
-       { 0x20000000, REGION_1, XN_EN, PRIV_RO_USR_RO,
-         O_I_WB_RD_WR_ALLOC, REGION_512MB },
-       { 0x40000000, REGION_2, XN_EN, PRIV_RO_USR_RO,
+       { 0x00000000, REGION_0, XN_EN, PRIV_RW_USR_RW,
+         SHARED_WRITE_BUFFERED, REGION_4GB },
+       { 0x00000000, REGION_1, XN_DIS, PRIV_RW_USR_RW,
          O_I_WB_RD_WR_ALLOC, REGION_1GB },
 };
 
@@ -23,8 +21,7 @@ int arch_cpu_init(void)
 {
        gd->cpu_clk = CONFIG_CPU_FREQ_HZ;
 
-       setup_mpu_regions(region_config, sizeof(region_config) /
-                         sizeof(struct mpu_region_config));
+       setup_mpu_regions(region_config, ARRAY_SIZE(region_config));
 
        return 0;
 }
-- 
2.28.0