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[U-Boot,V2,11/19] imx-common: cache: configure L2 Cache for i.MX6SLL

Message ID 1481455478-8258-12-git-send-email-peng.fan@nxp.com
State Awaiting Upstream
Delegated to: Stefano Babic
Headers show

Commit Message

Peng Fan Dec. 11, 2016, 11:24 a.m. UTC 
If L2 cache configured as OCRAM, reset it.
Switch to use runtime check.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
---
 arch/arm/imx-common/cache.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)
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Patch

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);