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-rw-r--r--include/asm-arm/arch-ks8695/regs-mem.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ks8695/regs-mem.h b/include/asm-arm/arch-ks8695/regs-mem.h
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1/*
2 * include/asm-arm/arch-ks8695/regs-mem.h
3 *
4 * Copyright (C) 2006 Andrew Victor
5 *
6 * KS8695 - Memory Controller registers and bit definitions
7 *
8 * This file is licensed under the terms of the GNU General Public
9 * License version 2. This program is licensed "as is" without any
10 * warranty of any kind, whether express or implied.
11 */
12
13#ifndef KS8695_MEM_H
14#define KS8695_MEM_H
15
16#define KS8695_MEM_OFFSET (0xF0000 + 0x4000)
17#define KS8695_MEM_VA (KS8695_IO_VA + KS8695_MEM_OFFSET)
18#define KS8695_MEM_PA (KS8695_IO_PA + KS8695_MEM_OFFSET)
19
20
21/*
22 * Memory Controller Registers
23 */
24#define KS8695_EXTACON0 (0x00) /* External I/O 0 Access Control */
25#define KS8695_EXTACON1 (0x04) /* External I/O 1 Access Control */
26#define KS8695_EXTACON2 (0x08) /* External I/O 2 Access Control */
27#define KS8695_ROMCON0 (0x10) /* ROM/SRAM/Flash 1 Control Register */
28#define KS8695_ROMCON1 (0x14) /* ROM/SRAM/Flash 2 Control Register */
29#define KS8695_ERGCON (0x20) /* External I/O and ROM/SRAM/Flash General Register */
30#define KS8695_SDCON0 (0x30) /* SDRAM Control Register 0 */
31#define KS8695_SDCON1 (0x34) /* SDRAM Control Register 1 */
32#define KS8695_SDGCON (0x38) /* SDRAM General Control */
33#define KS8695_SDBCON (0x3c) /* SDRAM Buffer Control */
34#define KS8695_REFTIM (0x40) /* SDRAM Refresh Timer */
35
36
37/* External I/O Access Control Registers */
38#define EXTACON_EBNPTR (0x3ff << 22) /* Last Address Pointer */
39#define EXTACON_EBBPTR (0x3ff << 12) /* Base Pointer */
40#define EXTACON_EBTACT (7 << 9) /* Write Enable/Output Enable Active Time */
41#define EXTACON_EBTCOH (7 << 6) /* Chip Select Hold Time */
42#define EXTACON_EBTACS (7 << 3) /* Address Setup Time before ECSN */
43#define EXTACON_EBTCOS (7 << 0) /* Chip Select Time before OEN */
44
45/* ROM/SRAM/Flash Control Register */
46#define ROMCON_RBNPTR (0x3ff << 22) /* Next Pointer */
47#define ROMCON_RBBPTR (0x3ff << 12) /* Base Pointer */
48#define ROMCON_RBTACC (7 << 4) /* Access Cycle Time */
49#define ROMCON_RBTPA (3 << 2) /* Page Address Access Time */
50#define ROMCON_PMC (3 << 0) /* Page Mode Configuration */
51#define PMC_NORMAL (0 << 0)
52#define PMC_4WORD (1 << 0)
53#define PMC_8WORD (2 << 0)
54#define PMC_16WORD (3 << 0)
55
56/* External I/O and ROM/SRAM/Flash General Register */
57#define ERGCON_TMULT (3 << 28) /* Time Multiplier */
58#define ERGCON_DSX2 (3 << 20) /* Data Width (External I/O Bank 2) */
59#define ERGCON_DSX1 (3 << 18) /* Data Width (External I/O Bank 1) */
60#define ERGCON_DSX0 (3 << 16) /* Data Width (External I/O Bank 0) */
61#define ERGCON_DSR1 (3 << 2) /* Data Width (ROM/SRAM/Flash Bank 1) */
62#define ERGCON_DSR0 (3 << 0) /* Data Width (ROM/SRAM/Flash Bank 0) */
63
64/* SDRAM Control Register */
65#define SDCON_DBNPTR (0x3ff << 22) /* Last Address Pointer */
66#define SDCON_DBBPTR (0x3ff << 12) /* Base Pointer */
67#define SDCON_DBCAB (3 << 8) /* Column Address Bits */
68#define SDCON_DBBNUM (1 << 3) /* Number of Banks */
69#define SDCON_DBDBW (3 << 1) /* Data Bus Width */
70
71/* SDRAM General Control Register */
72#define SDGCON_SDTRC (3 << 2) /* RAS to CAS latency */
73#define SDGCON_SDCAS (3 << 0) /* CAS latency */
74
75/* SDRAM Buffer Control Register */
76#define SDBCON_SDESTA (1 << 31) /* SDRAM Engine Status */
77#define SDBCON_RBUFBDIS (1 << 24) /* Read Buffer Burst Enable */
78#define SDBCON_WFIFOEN (1 << 23) /* Write FIFO Enable */
79#define SDBCON_RBUFEN (1 << 22) /* Read Buffer Enable */
80#define SDBCON_FLUSHWFIFO (1 << 21) /* Flush Write FIFO */
81#define SDBCON_RBUFINV (1 << 20) /* Read Buffer Invalidate */
82#define SDBCON_SDINI (3 << 16) /* SDRAM Initialization Control */
83#define SDBCON_SDMODE (0x3fff << 0) /* SDRAM Mode Register Value Program */
84
85/* SDRAM Refresh Timer Register */
86#define REFTIM_REFTIM (0xffff << 0) /* Refresh Timer Value */
87
88
89#endif