diff options
| author | Barry Song <Baohua.Song@csr.com> | 2011-09-30 14:43:12 +0100 |
|---|---|---|
| committer | Amit Daniel Kachhap <amit.kachhap@linaro.org> | 2011-11-11 13:32:36 +0530 |
| commit | fa5a990e62788b12c2c5eaedf4016ab904c4bf55 (patch) | |
| tree | b17da10f6c778326fd660e89d1dbed1f90f697d8 /arch/arm/include/asm/hardware/cache-l2x0.h | |
| parent | 852f9d1db7401d6b44c646171d2238ca126487cf (diff) | |
ARM: 7114/1: cache-l2x0: add resume entry for l2 in secure mode
we save the l2x0 registers at the first initialization, and platform codes
can get them to restore l2x0 status after wakeup.
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/hardware/cache-l2x0.h')
| -rw-r--r-- | arch/arm/include/asm/hardware/cache-l2x0.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h index c48cb1e1c46..434edccdf7f 100644 --- a/arch/arm/include/asm/hardware/cache-l2x0.h +++ b/arch/arm/include/asm/hardware/cache-l2x0.h @@ -67,6 +67,13 @@ #define L2X0_CACHE_ID_PART_MASK (0xf << 6) #define L2X0_CACHE_ID_PART_L210 (1 << 6) #define L2X0_CACHE_ID_PART_L310 (3 << 6) +#define L2X0_CACHE_ID_RTL_MASK 0x3f +#define L2X0_CACHE_ID_RTL_R0P0 0x0 +#define L2X0_CACHE_ID_RTL_R1P0 0x2 +#define L2X0_CACHE_ID_RTL_R2P0 0x4 +#define L2X0_CACHE_ID_RTL_R3P0 0x5 +#define L2X0_CACHE_ID_RTL_R3P1 0x6 +#define L2X0_CACHE_ID_RTL_R3P2 0x8 #define L2X0_AUX_CTRL_MASK 0xc0000fff #define L2X0_AUX_CTRL_DATA_RD_LATENCY_SHIFT 0 @@ -96,6 +103,24 @@ #ifndef __ASSEMBLY__ extern void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask); extern int l2x0_of_init(__u32 aux_val, __u32 aux_mask); + +struct l2x0_regs { + unsigned long phy_base; + unsigned long aux_ctrl; + /* + * Whether the following registers need to be saved/restored + * depends on platform + */ + unsigned long tag_latency; + unsigned long data_latency; + unsigned long filter_start; + unsigned long filter_end; + unsigned long prefetch_ctrl; + unsigned long pwr_ctrl; +}; + +extern struct l2x0_regs l2x0_saved_regs; + #endif #endif |