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authorRobin Getz <robin.getz@analog.com>2007-10-10 11:55:26 -0400
committerBryan Wu <bryan.wu@analog.com>2007-10-10 11:55:26 -0400
commit3bebca2d20796dd3dc62c5d3e74148087c7ce5bd (patch)
treefdb5eb8eb774fa5e8df41ebbf0e0d2c82b9ff627 /include/asm-blackfin/cplb.h
parenta298049180d2c56fc8ac1796b24973bf4f019cc7 (diff)
Blackfin arch: to do some consolidation of common code and common name spaces
now all BLKFIN should be BFIN, should be no functional changes. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'include/asm-blackfin/cplb.h')
-rw-r--r--include/asm-blackfin/cplb.h89
1 files changed, 81 insertions, 8 deletions
diff --git a/include/asm-blackfin/cplb.h b/include/asm-blackfin/cplb.h
index e0dd56bfa4c7..c9fc77684fb2 100644
--- a/include/asm-blackfin/cplb.h
+++ b/include/asm-blackfin/cplb.h
@@ -1,18 +1,93 @@
1/************************************************************************ 1/*
2 * File: include/asm-blackfin/cplb.h
3 * Based on: include/asm-blackfin/mach-bf537/bf537.h
4 * Author: Robin Getz <rgetz@blackfin.uclinux.org>
2 * 5 *
3 * cplb.h 6 * Created: 2000
7 * Description: Common CPLB definitions for CPLB init
4 * 8 *
5 * (c) Copyright 2002-2003 Analog Devices, Inc. All rights reserved. 9 * Modified:
10 * Copyright 2004-2007 Analog Devices Inc.
6 * 11 *
7 ************************************************************************/ 12 * Bugs: Enter bugs at http://blackfin.uclinux.org/
8 13 *
9/* Defines necessary for cplb initialisation routines. */ 14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, see the file COPYING, or write
26 * to the Free Software Foundation, Inc.,
27 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
28 */
10 29
11#ifndef _CPLB_H 30#ifndef _CPLB_H
12#define _CPLB_H 31#define _CPLB_H
13 32
14# include <asm/blackfin.h> 33# include <asm/blackfin.h>
15 34
35#define SDRAM_IGENERIC (CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_PORTPRIO)
36#define SDRAM_IKERNEL (SDRAM_IGENERIC | CPLB_LOCK)
37#define L1_IMEMORY ( CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
38#define SDRAM_INON_CHBL ( CPLB_USER_RD | CPLB_VALID)
39
40/*Use the menuconfig cache policy here - CONFIG_BFIN_WT/CONFIG_BFIN_WB*/
41
42#if ANOMALY_05000158
43#define ANOMALY_05000158_WORKAROUND 0x200
44#else
45#define ANOMALY_05000158_WORKAROUND 0x0
46#endif
47
48#define CPLB_COMMON (CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND)
49
50#ifdef CONFIG_BFIN_WB /*Write Back Policy */
51#define SDRAM_DGENERIC (CPLB_L1_CHBL | CPLB_COMMON)
52#else /*Write Through */
53#define SDRAM_DGENERIC (CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_COMMON)
54#endif
55
56#define L1_DMEMORY (CPLB_LOCK | CPLB_COMMON)
57#define SDRAM_DNON_CHBL (CPLB_COMMON)
58#define SDRAM_EBIU (CPLB_COMMON)
59#define SDRAM_OOPS (CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY)
60
61#define SIZE_1K 0x00000400 /* 1K */
62#define SIZE_4K 0x00001000 /* 4K */
63#define SIZE_1M 0x00100000 /* 1M */
64#define SIZE_4M 0x00400000 /* 4M */
65
66#define MAX_CPLBS (16 * 2)
67
68/*
69* Number of required data CPLB switchtable entries
70* MEMSIZE / 4 (we mostly install 4M page size CPLBs
71* approx 16 for smaller 1MB page size CPLBs for allignment purposes
72* 1 for L1 Data Memory
73* 1 for CONFIG_DEBUG_HUNT_FOR_ZERO
74* 1 for ASYNC Memory
75*/
76
77
78#define MAX_SWITCH_D_CPLBS (((CONFIG_MEM_SIZE / 4) + 16 + 1 + 1 + 1) * 2)
79
80/*
81* Number of required instruction CPLB switchtable entries
82* MEMSIZE / 4 (we mostly install 4M page size CPLBs
83* approx 12 for smaller 1MB page size CPLBs for allignment purposes
84* 1 for L1 Instruction Memory
85* 1 for CONFIG_DEBUG_HUNT_FOR_ZERO
86*/
87
88#define MAX_SWITCH_I_CPLBS (((CONFIG_MEM_SIZE / 4) + 12 + 1 + 1) * 2)
89
90
16#define CPLB_ENABLE_ICACHE_P 0 91#define CPLB_ENABLE_ICACHE_P 0
17#define CPLB_ENABLE_DCACHE_P 1 92#define CPLB_ENABLE_DCACHE_P 1
18#define CPLB_ENABLE_DCACHE2_P 2 93#define CPLB_ENABLE_DCACHE2_P 2
@@ -39,8 +114,6 @@
39#define CPLB_DEF_CACHE CPLB_L1_CHBL | CPLB_WT 114#define CPLB_DEF_CACHE CPLB_L1_CHBL | CPLB_WT
40#define CPLB_CACHE_ENABLED CPLB_L1_CHBL | CPLB_DIRTY 115#define CPLB_CACHE_ENABLED CPLB_L1_CHBL | CPLB_DIRTY
41 116
42#define CPLB_ALL_ACCESS CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR
43
44#define CPLB_I_PAGE_MGMT CPLB_LOCK | CPLB_VALID 117#define CPLB_I_PAGE_MGMT CPLB_LOCK | CPLB_VALID
45#define CPLB_D_PAGE_MGMT CPLB_LOCK | CPLB_ALL_ACCESS | CPLB_VALID 118#define CPLB_D_PAGE_MGMT CPLB_LOCK | CPLB_ALL_ACCESS | CPLB_VALID
46#define CPLB_DNOCACHE CPLB_ALL_ACCESS | CPLB_VALID 119#define CPLB_DNOCACHE CPLB_ALL_ACCESS | CPLB_VALID