diff options
Diffstat (limited to 'arch/arm/include/asm/hardware/cache-l2x0.h')
| -rw-r--r-- | arch/arm/include/asm/hardware/cache-l2x0.h | 133 |
1 files changed, 123 insertions, 10 deletions
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h index cc42d5fdee1..3a5ec1c2565 100644 --- a/arch/arm/include/asm/hardware/cache-l2x0.h +++ b/arch/arm/include/asm/hardware/cache-l2x0.h @@ -20,12 +20,14 @@ #ifndef __ASM_ARM_HARDWARE_L2X0_H #define __ASM_ARM_HARDWARE_L2X0_H +#include <linux/errno.h> + #define L2X0_CACHE_ID 0x000 #define L2X0_CACHE_TYPE 0x004 #define L2X0_CTRL 0x100 #define L2X0_AUX_CTRL 0x104 -#define L2X0_TAG_LATENCY_CTRL 0x108 -#define L2X0_DATA_LATENCY_CTRL 0x10C +#define L310_TAG_LATENCY_CTRL 0x108 +#define L310_DATA_LATENCY_CTRL 0x10C #define L2X0_EVENT_CNT_CTRL 0x200 #define L2X0_EVENT_CNT1_CFG 0x204 #define L2X0_EVENT_CNT0_CFG 0x208 @@ -36,6 +38,7 @@ #define L2X0_RAW_INTR_STAT 0x21C #define L2X0_INTR_CLEAR 0x220 #define L2X0_CACHE_SYNC 0x730 +#define L2X0_DUMMY_REG 0x740 #define L2X0_INV_LINE_PA 0x770 #define L2X0_INV_WAY 0x77C #define L2X0_CLEAN_LINE_PA 0x7B0 @@ -44,25 +47,135 @@ #define L2X0_CLEAN_INV_LINE_PA 0x7F0 #define L2X0_CLEAN_INV_LINE_IDX 0x7F8 #define L2X0_CLEAN_INV_WAY 0x7FC -#define L2X0_LOCKDOWN_WAY_D 0x900 -#define L2X0_LOCKDOWN_WAY_I 0x904 +/* + * The lockdown registers repeat 8 times for L310, the L210 has only one + * D and one I lockdown register at 0x0900 and 0x0904. + */ +#define L2X0_LOCKDOWN_WAY_D_BASE 0x900 +#define L2X0_LOCKDOWN_WAY_I_BASE 0x904 +#define L2X0_LOCKDOWN_STRIDE 0x08 +#define L310_ADDR_FILTER_START 0xC00 +#define L310_ADDR_FILTER_END 0xC04 #define L2X0_TEST_OPERATION 0xF00 #define L2X0_LINE_DATA 0xF10 #define L2X0_LINE_TAG 0xF30 #define L2X0_DEBUG_CTRL 0xF40 -#define L2X0_PREFETCH_CTRL 0xF60 -#define L2X0_POWER_CTRL 0xF80 -#define L2X0_DYNAMIC_CLK_GATING_EN (1 << 1) -#define L2X0_STNDBY_MODE_EN (1 << 0) +#define L310_PREFETCH_CTRL 0xF60 +#define L310_POWER_CTRL 0xF80 +#define L310_DYNAMIC_CLK_GATING_EN (1 << 1) +#define L310_STNDBY_MODE_EN (1 << 0) /* 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_AUX_CTRL_WAY_SIZE_MASK (0x3 << 17) +#define L2X0_CACHE_ID_RTL_MASK 0x3f +#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 + +/* L2C auxiliary control register - bits common to L2C-210/220/310 */ +#define L2C_AUX_CTRL_WAY_SIZE_SHIFT 17 +#define L2C_AUX_CTRL_WAY_SIZE_MASK (7 << 17) +#define L2C_AUX_CTRL_WAY_SIZE(n) ((n) << 17) +#define L2C_AUX_CTRL_EVTMON_ENABLE BIT(20) +#define L2C_AUX_CTRL_PARITY_ENABLE BIT(21) +#define L2C_AUX_CTRL_SHARED_OVERRIDE BIT(22) +/* L2C-210/220 common bits */ +#define L2X0_AUX_CTRL_DATA_RD_LATENCY_SHIFT 0 +#define L2X0_AUX_CTRL_DATA_RD_LATENCY_MASK (7 << 0) +#define L2X0_AUX_CTRL_DATA_WR_LATENCY_SHIFT 3 +#define L2X0_AUX_CTRL_DATA_WR_LATENCY_MASK (7 << 3) +#define L2X0_AUX_CTRL_TAG_LATENCY_SHIFT 6 +#define L2X0_AUX_CTRL_TAG_LATENCY_MASK (7 << 6) +#define L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT 9 +#define L2X0_AUX_CTRL_DIRTY_LATENCY_MASK (7 << 9) +#define L2X0_AUX_CTRL_ASSOC_SHIFT 13 +#define L2X0_AUX_CTRL_ASSOC_MASK (15 << 13) +/* L2C-210 specific bits */ +#define L210_AUX_CTRL_WRAP_DISABLE BIT(12) +#define L210_AUX_CTRL_WA_OVERRIDE BIT(23) +#define L210_AUX_CTRL_EXCLUSIVE_ABORT BIT(24) +/* L2C-220 specific bits */ +#define L220_AUX_CTRL_EXCLUSIVE_CACHE BIT(12) +#define L220_AUX_CTRL_FWA_SHIFT 23 +#define L220_AUX_CTRL_FWA_MASK (3 << 23) +#define L220_AUX_CTRL_NS_LOCKDOWN BIT(26) +#define L220_AUX_CTRL_NS_INT_CTRL BIT(27) +/* L2C-310 specific bits */ +#define L310_AUX_CTRL_FULL_LINE_ZERO BIT(0) /* R2P0+ */ +#define L310_AUX_CTRL_HIGHPRIO_SO_DEV BIT(10) /* R2P0+ */ +#define L310_AUX_CTRL_STORE_LIMITATION BIT(11) /* R2P0+ */ +#define L310_AUX_CTRL_EXCLUSIVE_CACHE BIT(12) +#define L310_AUX_CTRL_ASSOCIATIVITY_16 BIT(16) +#define L310_AUX_CTRL_CACHE_REPLACE_RR BIT(25) /* R2P0+ */ +#define L310_AUX_CTRL_NS_LOCKDOWN BIT(26) +#define L310_AUX_CTRL_NS_INT_CTRL BIT(27) +#define L310_AUX_CTRL_DATA_PREFETCH BIT(28) +#define L310_AUX_CTRL_INSTR_PREFETCH BIT(29) +#define L310_AUX_CTRL_EARLY_BRESP BIT(30) /* R2P0+ */ + +#define L310_LATENCY_CTRL_SETUP(n) ((n) << 0) +#define L310_LATENCY_CTRL_RD(n) ((n) << 4) +#define L310_LATENCY_CTRL_WR(n) ((n) << 8) + +#define L310_ADDR_FILTER_EN 1 + +#define L310_PREFETCH_CTRL_OFFSET_MASK 0x1f +#define L310_PREFETCH_CTRL_DBL_LINEFILL_INCR BIT(23) +#define L310_PREFETCH_CTRL_PREFETCH_DROP BIT(24) +#define L310_PREFETCH_CTRL_DBL_LINEFILL_WRAP BIT(27) +#define L310_PREFETCH_CTRL_DATA_PREFETCH BIT(28) +#define L310_PREFETCH_CTRL_INSTR_PREFETCH BIT(29) +#define L310_PREFETCH_CTRL_DBL_LINEFILL BIT(30) + +#define L2X0_CTRL_EN 1 + +#define L2X0_WAY_SIZE_SHIFT 3 #ifndef __ASSEMBLY__ -extern void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask); +extern void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask); +#if defined(CONFIG_CACHE_L2X0) && defined(CONFIG_OF) +extern int l2x0_of_init(u32 aux_val, u32 aux_mask); +#else +static inline int l2x0_of_init(u32 aux_val, u32 aux_mask) +{ + return -ENODEV; +} #endif +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; + unsigned long ctrl; + unsigned long aux2_ctrl; +}; + +extern struct l2x0_regs l2x0_saved_regs; + +#endif /* __ASSEMBLY__ */ + #endif |