What starting up the DA850-EVM, U-Boot generates a warning:
WARNING: Caches not enabled
Looking at other arm926 processors, this is an attempt
to enable the caches and remove the warning.
I am notsure who the proper TI or ARM people are to review this.
Signed-off-by: Adam Ford <aford...@gmail.com>
---
board/davinci/da8xxevm/da850evm.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/board/davinci/da8xxevm/da850evm.c
b/board/davinci/da8xxevm/da850evm.c
index c2d2e8e..33a923c 100644
--- a/board/davinci/da8xxevm/da850evm.c
+++ b/board/davinci/da8xxevm/da850evm.c
@@ -491,3 +491,29 @@ int board_eth_init(bd_t *bis)
return 0;
}
#endif /* CONFIG_DRIVER_TI_EMAC */
+
+#ifndef CONFIG_SYS_ICACHE_OFF
+/* Invalidate entire I-cache and branch predictor array */
+void invalidate_icache_all(void)
+{
+ unsigned long i = 0;
+
+ asm ("mcr p15, 0, %0, c7, c5, 0" : : "r" (i));
+}
+#else
+void invalidate_icache_all(void)
+{
+}
+#endif
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+}
+#else
+void enable_caches(void)
+{
+}
+#endif /* CONFIG_SYS_DCACHE_OFF */
--
2.7.4
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