| /* |
| * 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_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 |
| |
| #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 |