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>
diff --git a/arch/arm/include/asm/pl310.h b/arch/arm/include/asm/pl310.h
index f41ad8c..ddc245b 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 @@
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);