ARMv7: at91: enable ICache and DCache.
authorWu, Josh <Josh.wu@atmel.com>
Mon, 19 May 2014 11:51:28 +0000 (19:51 +0800)
committerAndreas Bießmann <andreas.devel@googlemail.com>
Sat, 14 Jun 2014 16:07:03 +0000 (18:07 +0200)
For at91 armv7 SoC (SAMA5D3x), only LCD and macb used DMA.
Now as the lcd and macb driver already support dcache. So we can
enable dcache now.

Also we can enable icache without any problem.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
arch/arm/cpu/armv7/at91/cpu.c

index 2fbf60d5427bdf3145930de0a070e506fda240bb..8d86f97e3dab36be1b26af44ec9999a2c4d3a477 100644 (file)
@@ -61,6 +61,8 @@ int print_cpuinfo(void)
 
 void enable_caches(void)
 {
+       icache_enable();
+       dcache_enable();
 }
 
 unsigned int get_chip_id(void)