/* * 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 <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 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 L2X0_ADDR_FILTER_START 0xC00 #define L2X0_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) /* Registers shifts and masks */ #define L2X0_CACHE_ID_REV_MASK (0x3f) #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 #define L2X0_AUX_CTRL_DATA_RD_LATENCY_MASK 0x7 #define L2X0_AUX_CTRL_DATA_WR_LATENCY_SHIFT 3 #define L2X0_AUX_CTRL_DATA_WR_LATENCY_MASK (0x7 << 3) #define L2X0_AUX_CTRL_TAG_LATENCY_SHIFT 6 #define L2X0_AUX_CTRL_TAG_LATENCY_MASK (0x7 << 6) #define L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT 9 #define L2X0_AUX_CTRL_DIRTY_LATENCY_MASK (0x7 << 9) #define L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT 16 #define L2X0_AUX_CTRL_WAY_SIZE_SHIFT 17 #define L2X0_AUX_CTRL_WAY_SIZE_MASK (0x7 << 17) #define L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT 22 #define L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT 26 #define L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT 27 #define L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT 28 #define L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT 29 #define L2X0_AUX_CTRL_EARLY_BRESP_SHIFT 30 #define L2X0_LATENCY_CTRL_SETUP_SHIFT 0 #define L2X0_LATENCY_CTRL_RD_SHIFT 4 #define L2X0_LATENCY_CTRL_WR_SHIFT 8 #define L2X0_ADDR_FILTER_EN 1 #define L2X0_CTRL_EN 1 #define L2X0_WAY_SIZE_SHIFT 3 #define REV_PL310_R2P0 4 #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; }; extern struct l2x0_regs l2x0_saved_regs; #endif /* __ASSEMBLY__ */ #endif