[U-Boot] [PATCH] pxa: Disable dcache on palmld, palmtc, zipitz2
Simon Glass
sjg at chromium.org
Wed Oct 31 00:38:53 CET 2012
These platforms don't include dcache support. Define CONFIG_SYS_DCACHE_OFF
so that functions don't try to call non-existent routines like
flush_dcache_range().
Signed-off-by: Simon Glass <sjg at chromium.org>
---
include/configs/palmld.h | 3 +++
include/configs/palmtc.h | 3 +++
include/configs/zipitz2.h | 3 +++
3 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/include/configs/palmld.h b/include/configs/palmld.h
index c5dd494..3f9802c 100644
--- a/include/configs/palmld.h
+++ b/include/configs/palmld.h
@@ -28,6 +28,9 @@
#define CONFIG_CPU_PXA27X 1 /* Marvell PXA270 CPU */
#define CONFIG_PALMLD 1 /* Palm LifeDrive board */
+/* we will never enable dcache, because we have to setup MMU first */
+#define CONFIG_SYS_DCACHE_OFF
+
/*
* Environment settings
*/
diff --git a/include/configs/palmtc.h b/include/configs/palmtc.h
index 9c948c5..64771e7 100644
--- a/include/configs/palmtc.h
+++ b/include/configs/palmtc.h
@@ -30,6 +30,9 @@
#define CONFIG_CPU_PXA25X 1 /* Intel PXA255 CPU */
#define CONFIG_PALMTC 1 /* Palm Tungsten|C board */
+/* we will never enable dcache, because we have to setup MMU first */
+#define CONFIG_SYS_DCACHE_OFF
+
/*
* Environment settings
*/
diff --git a/include/configs/zipitz2.h b/include/configs/zipitz2.h
index bf6394a..b92f70b 100644
--- a/include/configs/zipitz2.h
+++ b/include/configs/zipitz2.h
@@ -41,6 +41,9 @@
#define CONFIG_ENV_ADDR 0x40000
#define CONFIG_ENV_SIZE 0x20000
+/* we will never enable dcache, because we have to setup MMU first */
+#define CONFIG_SYS_DCACHE_OFF
+
#define CONFIG_SYS_MALLOC_LEN (128*1024)
#define CONFIG_ARCH_CPU_INIT
--
1.7.7.3
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