aboutsummaryrefslogtreecommitdiffstats
path: root/package/boot/uboot-layerscape/patches/0006-armv8-fsl-layerscape-Put-SMMU-config-code-in-SMMU_BA.patch
diff options
context:
space:
mode:
Diffstat (limited to 'package/boot/uboot-layerscape/patches/0006-armv8-fsl-layerscape-Put-SMMU-config-code-in-SMMU_BA.patch')
-rw-r--r--package/boot/uboot-layerscape/patches/0006-armv8-fsl-layerscape-Put-SMMU-config-code-in-SMMU_BA.patch37
1 files changed, 37 insertions, 0 deletions
diff --git a/package/boot/uboot-layerscape/patches/0006-armv8-fsl-layerscape-Put-SMMU-config-code-in-SMMU_BA.patch b/package/boot/uboot-layerscape/patches/0006-armv8-fsl-layerscape-Put-SMMU-config-code-in-SMMU_BA.patch
new file mode 100644
index 0000000000..a8a9aa360e
--- /dev/null
+++ b/package/boot/uboot-layerscape/patches/0006-armv8-fsl-layerscape-Put-SMMU-config-code-in-SMMU_BA.patch
@@ -0,0 +1,37 @@
+From be06181f45695ce71536ecb461615ebf6f18011e Mon Sep 17 00:00:00 2001
+From: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
+Date: Tue, 15 Mar 2016 13:40:07 +0530
+Subject: [PATCH 06/93] armv8: fsl-layerscape: Put SMMU config code in
+ SMMU_BASE
+
+It is not mandatory for Layerscape SoCs to have SMMU. SoCs like
+LS1012A are layerscape SoC without SMMU IP.
+
+So put SMMU configuration code under SMMU_BASE.
+
+Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
+---
+ arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
+index 93f4a65..5f5bfb9 100644
+--- a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
++++ b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
+@@ -95,11 +95,13 @@ ENTRY(lowlevel_init)
+ bl ccn504_set_qos
+ #endif
+
++#ifdef SMMU_BASE
+ /* Set the SMMU page size in the sACR register */
+ ldr x1, =SMMU_BASE
+ ldr w0, [x1, #0x10]
+ orr w0, w0, #1 << 16 /* set sACR.pagesize to indicate 64K page */
+ str w0, [x1, #0x10]
++#endif
+
+ /* Initialize GIC Secure Bank Status */
+ #if defined(CONFIG_GICV2) || defined(CONFIG_GICV3)
+--
+1.7.9.5
+