source: SVN/rincon/u-boot/board/mpl/vcma9/vcma9.h @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 22 months ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 2.8 KB
Line 
1/*
2 * (C) Copyright 2002, 2003
3 * David Mueller, ELSOFT AG, d.mueller@elsoft.ch
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 *
23 */
24 /****************************************************************************
25 * Global routines used for VCMA9
26 *****************************************************************************/
27
28#include <s3c2410.h>
29
30extern int  mem_test(unsigned long start, unsigned long ramsize,int mode);
31
32void print_vcma9_info(void);
33
34#if defined(CONFIG_CMD_NAND)
35typedef enum {
36        NFCE_LOW,
37        NFCE_HIGH
38} NFCE_STATE;
39
40static inline void NF_Conf(u16 conf)
41{
42        S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
43
44        nand->NFCONF = conf;
45}
46
47static inline void NF_Cmd(u8 cmd)
48{
49        S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
50
51        nand->NFCMD = cmd;
52}
53
54static inline void NF_CmdW(u8 cmd)
55{
56        NF_Cmd(cmd);
57        udelay(1);
58}
59
60static inline void NF_Addr(u8 addr)
61{
62        S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
63
64        nand->NFADDR = addr;
65}
66
67static inline void NF_SetCE(NFCE_STATE s)
68{
69        S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
70
71        switch (s) {
72                case NFCE_LOW:
73                        nand->NFCONF &= ~(1<<11);
74                        break;
75
76                case NFCE_HIGH:
77                        nand->NFCONF |= (1<<11);
78                        break;
79        }
80}
81
82static inline void NF_WaitRB(void)
83{
84        S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
85
86        while (!(nand->NFSTAT & (1<<0)));
87}
88
89static inline void NF_Write(u8 data)
90{
91        S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
92
93        nand->NFDATA = data;
94}
95
96static inline u8 NF_Read(void)
97{
98        S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
99
100        return(nand->NFDATA);
101}
102
103static inline void NF_Init_ECC(void)
104{
105        S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
106
107        nand->NFCONF |= (1<<12);
108}
109
110static inline u32 NF_Read_ECC(void)
111{
112        S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
113
114        return(nand->NFECC);
115}
116
117#endif
118
119/* VCMA9 PLD regsiters */
120typedef struct {
121        S3C24X0_REG8    ID;
122        S3C24X0_REG8    NIC;
123        S3C24X0_REG8    CAN;
124        S3C24X0_REG8    MISC;
125        S3C24X0_REG8    GPCD;
126        S3C24X0_REG8    BOARD;
127        S3C24X0_REG8    SDRAM;
128} /*__attribute__((__packed__))*/ VCMA9_PLD;
129
130#define VCMA9_PLD_BASE  0x2C000100
131static inline VCMA9_PLD * VCMA9_GetBase_PLD(void)
132{
133        return (VCMA9_PLD * const)VCMA9_PLD_BASE;
134}
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