[OpenWrt-Devel] [PATCH 3/6] ramips: mt7621: undo mips-cm probe hack to not wipe out memory regions

Nikolay Martynov mar.kolya at gmail.com
Sun Dec 13 22:04:29 EST 2015


Since now we hopefully setup memory regions properly we no longer need this hack.

Tested and works on ubnt-erx.

Signed-off-by: Nikolay Martynov <mar.kolya at gmail.com>
---
 .../0062-remove-cm-memory-regions-cleanup-hack.patch | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 target/linux/ramips/patches-4.3/0062-remove-cm-memory-regions-cleanup-hack.patch

diff --git a/target/linux/ramips/patches-4.3/0062-remove-cm-memory-regions-cleanup-hack.patch b/target/linux/ramips/patches-4.3/0062-remove-cm-memory-regions-cleanup-hack.patch
new file mode 100644
index 0000000..9013819
--- /dev/null
+++ b/target/linux/ramips/patches-4.3/0062-remove-cm-memory-regions-cleanup-hack.patch
@@ -0,0 +1,20 @@
+--- a/arch/mips/kernel/mips-cm.c
++++ b/arch/mips/kernel/mips-cm.c
+@@ -238,7 +238,7 @@ int mips_cm_probe(void)
+ 	write_gcr_base(base_reg);
+ 
+ 	/* disable CM regions */
+-/*	write_gcr_reg0_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
++	write_gcr_reg0_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
+ 	write_gcr_reg0_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
+ 	write_gcr_reg1_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
+ 	write_gcr_reg1_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
+@@ -246,7 +246,7 @@ int mips_cm_probe(void)
+ 	write_gcr_reg2_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
+ 	write_gcr_reg3_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
+ 	write_gcr_reg3_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
+-*/
++
+ 	/* probe for an L2-only sync region */
+ 	mips_cm_probe_l2sync();
+ 
-- 
2.6.4
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