ARM: OMAP4: PM: Add L2X0 cache lowpower support

When MPUSS hits off-mode, L2 cache is lost. This patch adds L2X0
necessary maintenance operations and context restoration in the
low power code.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Jean Pihet <j-pihet@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Vishwanath BS <vishwanath.bs@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/omap4-sar-layout.h b/arch/arm/mach-omap2/omap4-sar-layout.h
index aa14a8dd2505..fe5b545ad443 100644
--- a/arch/arm/mach-omap2/omap4-sar-layout.h
+++ b/arch/arm/mach-omap2/omap4-sar-layout.h
@@ -23,6 +23,10 @@
 #define SCU_OFFSET0                             0xd00
 #define SCU_OFFSET1                             0xd04
 #define OMAP_TYPE_OFFSET                        0xd10
+#define L2X0_SAVE_OFFSET0                       0xd14
+#define L2X0_SAVE_OFFSET1                       0xd18
+#define L2X0_AUXCTRL_OFFSET                     0xd1c
+#define L2X0_PREFETCH_CTRL_OFFSET               0xd20
 
 /* CPUx Wakeup Non-Secure Physical Address offsets in SAR_BANK3 */
 #define CPU0_WAKEUP_NS_PA_ADDR_OFFSET           0xa04