/* * arch/arm/include/asm/hardware/cache-l2x0.h * * Copyright (C) 2007 ARM Limited * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __ASM_ARM_HARDWARE_L2X0_H #define __ASM_ARM_HARDWARE_L2X0_H #include #define L2X0_CACHE_ID 0x000 #define L2X0_CACHE_TYPE 0x004 #define L2X0_CTRL 0x100 #define L2X0_AUX_CTRL 0x104 #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 #define L2X0_EVENT_CNT1_VAL 0x20C #define L2X0_EVENT_CNT0_VAL 0x210 #define L2X0_INTR_MASK 0x214 #define L2X0_MASKED_INTR_STAT 0x218 #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 #define L2X0_CLEAN_LINE_IDX 0x7B8 #define L2X0_CLEAN_WAY 0x7BC #define L2X0_CLEAN_INV_LINE_PA 0x7F0 #define L2X0_CLEAN_INV_LINE_IDX 0x7F8 #define L2X0_CLEAN_INV_WAY 0x7FC /* * 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 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_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); #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