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wdenk1cb8e982003-03-06 21:55:29 +00001/*
wdenk531716e2003-09-13 19:01:12 +00002 * (C) Copyright 2002, 2003
wdenk1cb8e982003-03-06 21:55:29 +00003 * 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
wdenk48b42612003-06-19 23:01:32 +000028#include <s3c2410.h>
wdenk1cb8e982003-03-06 21:55:29 +000029
30extern int mem_test(unsigned long start, unsigned long ramsize,int mode);
31
32void print_vcma9_info(void);
33
Jon Loeliger3fe00102007-07-09 18:38:39 -050034#if defined(CONFIG_CMD_NAND)
wdenk48b42612003-06-19 23:01:32 +000035typedef 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
wdenk531716e2003-09-13 19:01:12 +0000119/* 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;
wdenk1cb8e982003-03-06 21:55:29 +0000129
wdenk531716e2003-09-13 19:01:12 +0000130#define VCMA9_PLD_BASE 0x2C000100
Wolfgang Denk8412d812007-11-18 17:11:09 +0100131static inline VCMA9_PLD * VCMA9_GetBase_PLD(void)
wdenk531716e2003-09-13 19:01:12 +0000132{
133 return (VCMA9_PLD * const)VCMA9_PLD_BASE;
134}