Enable D and I caches on mx31pdk.
Signed-off-by: Fabio Estevam <[email protected]>
---
Stefano,
You explained that enabling cache may cause some drivers like FEC and MMC not
to work properly.
As mx31pdk does not have FEC or MMC driver I thought this should be OK.
Tested by booting Linux kernel via TFTP and mounting a NFS rootfs.
board/freescale/mx31pdk/mx31pdk.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/board/freescale/mx31pdk/mx31pdk.c
b/board/freescale/mx31pdk/mx31pdk.c
index 9f8bc53..1d7b4f6 100644
--- a/board/freescale/mx31pdk/mx31pdk.c
+++ b/board/freescale/mx31pdk/mx31pdk.c
@@ -71,11 +71,19 @@ int board_early_init_f(void)
return 0;
}
+void enable_caches(void)
+{
+ icache_enable();
+ dcache_enable();
+}
+
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+ enable_caches();
+
return 0;
}
--
1.6.0.4
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