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[U-Boot,v3,5/6] omap4_panda: Disable DCACHE since USB EHCI is enabled

Message ID 1340209283-3404-6-git-send-email-trini@ti.com
State Superseded
Delegated to: Tom Rini
Headers show

Commit Message

Tom Rini June 20, 2012, 4:21 p.m. UTC 
USB EHCI and DCACHE are not compatible, so disable DCACHE support at
build-time as run-time disable is insufficient for USB use.

Cc: Sricharan R <r.sricharan@ti.com>
Signed-off-by: Tom Rini <trini@ti.com>
---
 include/configs/omap4_panda.h |    1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/include/configs/omap4_panda.h b/include/configs/omap4_panda.h
index b4756be..468cf7a 100644
--- a/include/configs/omap4_panda.h
+++ b/include/configs/omap4_panda.h
@@ -38,6 +38,7 @@ 
 #define CONFIG_USB_HOST
 #define CONFIG_USB_EHCI
 #define CONFIG_USB_EHCI_OMAP
+#define CONFIG_SYS_DCACHE_OFF	/* USB_EHCI is unusable with DCACHE support */
 #define CONFIG_USB_STORAGE
 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3