[U-Boot] [PATCH V2 11/19] imx-common: cache: configure L2 Cache for i.MX6SLL
Peng Fan
peng.fan at nxp.com
Sun Dec 11 12:24:30 CET 2016
If L2 cache configured as OCRAM, reset it.
Switch to use runtime check.
Signed-off-by: Peng Fan <peng.fan at nxp.com>
Cc: Stefano Babic <sbabic at denx.de>
---
arch/arm/imx-common/cache.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/arch/arm/imx-common/cache.c b/arch/arm/imx-common/cache.c
index b775488..1c4a9a2 100644
--- a/arch/arm/imx-common/cache.c
+++ b/arch/arm/imx-common/cache.c
@@ -8,6 +8,7 @@
#include <asm/armv7.h>
#include <asm/pl310.h>
#include <asm/io.h>
+#include <asm/imx-common/sys_proto.h>
#ifndef CONFIG_SYS_DCACHE_OFF
void enable_caches(void)
@@ -39,6 +40,7 @@ void enable_caches(void)
void v7_outer_cache_enable(void)
{
struct pl310_regs *const pl310 = (struct pl310_regs *)L2_PL310_BASE;
+ struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
unsigned int val;
@@ -55,15 +57,14 @@ void v7_outer_cache_enable(void)
*/
setbits_le32(&pl310->pl310_aux_ctrl, L310_SHARED_ATT_OVERRIDE_ENABLE);
-#if defined CONFIG_MX6SL
- struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
- val = readl(&iomux->gpr[11]);
- if (val & IOMUXC_GPR11_L2CACHE_AS_OCRAM) {
- /* L2 cache configured as OCRAM, reset it */
- val &= ~IOMUXC_GPR11_L2CACHE_AS_OCRAM;
- writel(val, &iomux->gpr[11]);
+ if (is_mx6sl() || is_mx6sll()) {
+ val = readl(&iomux->gpr[11]);
+ if (val & IOMUXC_GPR11_L2CACHE_AS_OCRAM) {
+ /* L2 cache configured as OCRAM, reset it */
+ val &= ~IOMUXC_GPR11_L2CACHE_AS_OCRAM;
+ writel(val, &iomux->gpr[11]);
+ }
}
-#endif
writel(0x132, &pl310->pl310_tag_latency_ctrl);
writel(0x132, &pl310->pl310_data_latency_ctrl);
--
2.6.2
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