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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-03-15 16:47:49 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-05-30 00:47:41 +0100 |
| commit | 14b882cfa3f9db3430037dca6038e161eda953a1 (patch) | |
| tree | eed503cb7e2cd572d1055dec4916e6439372bb04 /arch/arm | |
| parent | 83841fe1fb0c4316af89ab85d3528702724a33f4 (diff) | |
| download | blackbird-op-linux-14b882cfa3f9db3430037dca6038e161eda953a1.tar.gz blackbird-op-linux-14b882cfa3f9db3430037dca6038e161eda953a1.zip | |
ARM: l2c: add and use L2C revision constants
The revision namespace is specific to the L2 cache part, so don't name
these with generic identifiers, use a part specific identifier.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/hardware/cache-l2x0.h | 22 | ||||
| -rw-r--r-- | arch/arm/mm/cache-l2x0.c | 10 |
2 files changed, 21 insertions, 11 deletions
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h index 6795ff743b3d..3af45734b514 100644 --- a/arch/arm/include/asm/hardware/cache-l2x0.h +++ b/arch/arm/include/asm/hardware/cache-l2x0.h @@ -68,14 +68,24 @@ /* Registers shifts and masks */ #define L2X0_CACHE_ID_PART_MASK (0xf << 6) #define L2X0_CACHE_ID_PART_L210 (1 << 6) +#define L2X0_CACHE_ID_PART_L220 (2 << 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 L210_CACHE_ID_RTL_R0P2_02 0x00 +#define L210_CACHE_ID_RTL_R0P1 0x01 +#define L210_CACHE_ID_RTL_R0P2_01 0x02 +#define L210_CACHE_ID_RTL_R0P3 0x03 +#define L210_CACHE_ID_RTL_R0P4 0x0b +#define L210_CACHE_ID_RTL_R0P5 0x0f +#define L220_CACHE_ID_RTL_R1P7_01REL0 0x06 +#define L310_CACHE_ID_RTL_R0P0 0x00 +#define L310_CACHE_ID_RTL_R1P0 0x02 +#define L310_CACHE_ID_RTL_R2P0 0x04 +#define L310_CACHE_ID_RTL_R3P0 0x05 +#define L310_CACHE_ID_RTL_R3P1 0x06 +#define L310_CACHE_ID_RTL_R3P1_50REL0 0x07 +#define L310_CACHE_ID_RTL_R3P2 0x08 +#define L310_CACHE_ID_RTL_R3P3 0x09 #define L2X0_AUX_CTRL_MASK 0xc0000fff #define L2X0_AUX_CTRL_DATA_RD_LATENCY_SHIFT 0 diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 29ee7f692801..c39602ef2cdd 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -374,7 +374,7 @@ void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask) /* Unmapped register. */ sync_reg_offset = L2X0_DUMMY_REG; #endif - if ((cache_id & L2X0_CACHE_ID_RTL_MASK) <= L2X0_CACHE_ID_RTL_R3P0) + if ((cache_id & L2X0_CACHE_ID_RTL_MASK) <= L310_CACHE_ID_RTL_R3P0) outer_cache.set_debug = pl310_set_debug; break; case L2X0_CACHE_ID_PART_L210: @@ -768,7 +768,7 @@ static void __init pl310_save(void) l2x0_saved_regs.filter_start = readl_relaxed(l2x0_base + L2X0_ADDR_FILTER_START); - if (l2x0_revision >= L2X0_CACHE_ID_RTL_R2P0) { + if (l2x0_revision >= L310_CACHE_ID_RTL_R2P0) { /* * From r2p0, there is Prefetch offset/control register */ @@ -777,7 +777,7 @@ static void __init pl310_save(void) /* * From r3p0, there is Power control register */ - if (l2x0_revision >= L2X0_CACHE_ID_RTL_R3P0) + if (l2x0_revision >= L310_CACHE_ID_RTL_R3P0) l2x0_saved_regs.pwr_ctrl = readl_relaxed(l2x0_base + L2X0_POWER_CTRL); } @@ -830,10 +830,10 @@ static void pl310_resume(void) l2x0_revision = readl_relaxed(l2x0_base + L2X0_CACHE_ID) & L2X0_CACHE_ID_RTL_MASK; - if (l2x0_revision >= L2X0_CACHE_ID_RTL_R2P0) { + if (l2x0_revision >= L310_CACHE_ID_RTL_R2P0) { writel_relaxed(l2x0_saved_regs.prefetch_ctrl, l2x0_base + L2X0_PREFETCH_CTRL); - if (l2x0_revision >= L2X0_CACHE_ID_RTL_R3P0) + if (l2x0_revision >= L310_CACHE_ID_RTL_R3P0) writel_relaxed(l2x0_saved_regs.pwr_ctrl, l2x0_base + L2X0_POWER_CTRL); } |
