1 /*
2  * arch/arm/include/asm/hardware/cache-l2x0.h
3  *
4  * Copyright (C) 2007 ARM Limited
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19 
20 #ifndef __ASM_ARM_HARDWARE_L2X0_H
21 #define __ASM_ARM_HARDWARE_L2X0_H
22 
23 #define L2X0_CACHE_ID			0x000
24 #define L2X0_CACHE_TYPE			0x004
25 #define L2X0_CTRL			0x100
26 #define L2X0_AUX_CTRL			0x104
27 #define L2X0_TAG_LATENCY_CTRL		0x108
28 #define L2X0_DATA_LATENCY_CTRL		0x10C
29 #define L2X0_EVENT_CNT_CTRL		0x200
30 #define L2X0_EVENT_CNT1_CFG		0x204
31 #define L2X0_EVENT_CNT0_CFG		0x208
32 #define L2X0_EVENT_CNT1_VAL		0x20C
33 #define L2X0_EVENT_CNT0_VAL		0x210
34 #define L2X0_INTR_MASK			0x214
35 #define L2X0_MASKED_INTR_STAT		0x218
36 #define L2X0_RAW_INTR_STAT		0x21C
37 #define L2X0_INTR_CLEAR			0x220
38 #define L2X0_CACHE_SYNC			0x730
39 #define L2X0_DUMMY_REG			0x740
40 #define L2X0_INV_LINE_PA		0x770
41 #define L2X0_INV_WAY			0x77C
42 #define L2X0_CLEAN_LINE_PA		0x7B0
43 #define L2X0_CLEAN_LINE_IDX		0x7B8
44 #define L2X0_CLEAN_WAY			0x7BC
45 #define L2X0_CLEAN_INV_LINE_PA		0x7F0
46 #define L2X0_CLEAN_INV_LINE_IDX		0x7F8
47 #define L2X0_CLEAN_INV_WAY		0x7FC
48 #define L2X0_LOCKDOWN_WAY_D		0x900
49 #define L2X0_LOCKDOWN_WAY_I		0x904
50 #define L2X0_TEST_OPERATION		0xF00
51 #define L2X0_LINE_DATA			0xF10
52 #define L2X0_LINE_TAG			0xF30
53 #define L2X0_DEBUG_CTRL			0xF40
54 #define L2X0_PREFETCH_CTRL		0xF60
55 #define L2X0_POWER_CTRL			0xF80
56 #define   L2X0_DYNAMIC_CLK_GATING_EN	(1 << 1)
57 #define   L2X0_STNDBY_MODE_EN		(1 << 0)
58 
59 /* Registers shifts and masks */
60 #define L2X0_CACHE_ID_PART_MASK		(0xf << 6)
61 #define L2X0_CACHE_ID_PART_L210		(1 << 6)
62 #define L2X0_CACHE_ID_PART_L310		(3 << 6)
63 
64 #define L2X0_AUX_CTRL_MASK			0xc0000fff
65 #define L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT	16
66 #define L2X0_AUX_CTRL_WAY_SIZE_SHIFT		17
67 #define L2X0_AUX_CTRL_WAY_SIZE_MASK		(0x3 << 17)
68 #define L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT	22
69 #define L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT		26
70 #define L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT		27
71 #define L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT	28
72 #define L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT	29
73 #define L2X0_AUX_CTRL_EARLY_BRESP_SHIFT		30
74 
75 #ifndef __ASSEMBLY__
76 extern void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask);
77 #endif
78 
79 #endif
80