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Merge git://git.denx.de/u-boot-socfpga

Tom Rini 9 years ago
parent
commit
ac6a53219a

+ 3 - 0
arch/arm/dts/socfpga_cyclone5_socdk.dts

@@ -69,6 +69,9 @@
 };
 
 &mmc0 {
+	status = "okay";
+	u-boot,dm-pre-reloc;
+
 	cd-gpios = <&portb 18 0>;
 	vmmc-supply = <&regulator_3_3v>;
 	vqmmc-supply = <&regulator_3_3v>;

+ 2 - 0
arch/arm/include/asm/pl310.h

@@ -17,6 +17,8 @@
 #define L2X0_CTRL_EN				1
 
 #define L310_SHARED_ATT_OVERRIDE_ENABLE		(1 << 22)
+#define L310_AUX_CTRL_DATA_PREFETCH_MASK	(1 << 28)
+#define L310_AUX_CTRL_INST_PREFETCH_MASK	(1 << 29)
 
 struct pl310_regs {
 	u32 pl310_cache_id;

+ 12 - 0
arch/arm/mach-socfpga/misc.c

@@ -52,6 +52,18 @@ void enable_caches(void)
 #endif
 }
 
+void v7_outer_cache_enable(void)
+{
+	/* disable the L2 cache */
+	writel(0, &pl310->pl310_ctrl);
+
+	/* enable BRESP, instruction and data prefetch, full line of zeroes */
+	setbits_le32(&pl310->pl310_aux_ctrl,
+		     L310_AUX_CTRL_DATA_PREFETCH_MASK |
+		     L310_AUX_CTRL_INST_PREFETCH_MASK |
+		     L310_SHARED_ATT_OVERRIDE_ENABLE);
+}
+
 /*
  * DesignWare Ethernet initialization
  */