mx6: Enable L2 cache support

Add L2 cache support and enable it by default.

Configure the L2 cache in the same way as done by FSL kernel:
http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/tree/arch/arm/mach-mx6/mm.c?h=imx_3.0.35_4.1.0

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Dirk Behme <dirk.behme@gmail.com>
Acked-by: Stefano Babic <sbabic@denx.de>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/arm/include/asm/pl310.h b/arch/arm/include/asm/pl310.h
index f41ad8c559..ddc245bfd5 100644
--- a/arch/arm/include/asm/pl310.h
+++ b/arch/arm/include/asm/pl310.h
@@ -12,6 +12,9 @@
 
 /* Register bit fields */
 #define PL310_AUX_CTRL_ASSOCIATIVITY_MASK	(1 << 16)
+#define L2X0_DYNAMIC_CLK_GATING_EN		(1 << 1)
+#define L2X0_STNDBY_MODE_EN			(1 << 0)
+#define L2X0_CTRL_EN				1
 
 struct pl310_regs {
 	u32 pl310_cache_id;
@@ -47,6 +50,24 @@ struct pl310_regs {
 	u32 pad9[1];
 	u32 pl310_clean_inv_line_idx;
 	u32 pl310_clean_inv_way;
+	u32 pad10[64];
+	u32 pl310_lockdown_dbase;
+	u32 pl310_lockdown_ibase;
+	u32 pad11[190];
+	u32 pl310_addr_filter_start;
+	u32 pl310_addr_filter_end;
+	u32 pad12[190];
+	u32 pl310_test_operation;
+	u32 pad13[3];
+	u32 pl310_line_data;
+	u32 pad14[7];
+	u32 pl310_line_tag;
+	u32 pad15[3];
+	u32 pl310_debug_ctrl;
+	u32 pad16[7];
+	u32 pl310_prefetch_ctrl;
+	u32 pad17[7];
+	u32 pl310_power_ctrl;
 };
 
 void pl310_inval_all(void);