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1cb8e980 | 1 | /* |
531716e1 | 2 | * (C) Copyright 2002, 2003 |
1cb8e980 WD |
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 | ||
17ab301c | 28 | #include <asm/arch/s3c2410.h> |
1cb8e980 WD |
29 | |
30 | extern int mem_test(unsigned long start, unsigned long ramsize,int mode); | |
31 | ||
32 | void print_vcma9_info(void); | |
33 | ||
3fe00109 | 34 | #if defined(CONFIG_CMD_NAND) |
48b42616 WD |
35 | typedef enum { |
36 | NFCE_LOW, | |
37 | NFCE_HIGH | |
38 | } NFCE_STATE; | |
39 | ||
40 | static inline void NF_Conf(u16 conf) | |
41 | { | |
d46879d8 | 42 | struct s3c2410_nand * const nand = s3c2410_get_base_nand(); |
48b42616 WD |
43 | |
44 | nand->NFCONF = conf; | |
45 | } | |
46 | ||
47 | static inline void NF_Cmd(u8 cmd) | |
48 | { | |
d46879d8 | 49 | struct s3c2410_nand * const nand = s3c2410_get_base_nand(); |
48b42616 WD |
50 | |
51 | nand->NFCMD = cmd; | |
52 | } | |
53 | ||
54 | static inline void NF_CmdW(u8 cmd) | |
55 | { | |
56 | NF_Cmd(cmd); | |
57 | udelay(1); | |
58 | } | |
59 | ||
60 | static inline void NF_Addr(u8 addr) | |
61 | { | |
d46879d8 | 62 | struct s3c2410_nand * const nand = s3c2410_get_base_nand(); |
48b42616 WD |
63 | |
64 | nand->NFADDR = addr; | |
65 | } | |
66 | ||
67 | static inline void NF_SetCE(NFCE_STATE s) | |
68 | { | |
d46879d8 | 69 | struct s3c2410_nand * const nand = s3c2410_get_base_nand(); |
48b42616 WD |
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 | ||
82 | static inline void NF_WaitRB(void) | |
83 | { | |
d46879d8 | 84 | struct s3c2410_nand * const nand = s3c2410_get_base_nand(); |
48b42616 WD |
85 | |
86 | while (!(nand->NFSTAT & (1<<0))); | |
87 | } | |
88 | ||
89 | static inline void NF_Write(u8 data) | |
90 | { | |
d46879d8 | 91 | struct s3c2410_nand * const nand = s3c2410_get_base_nand(); |
48b42616 WD |
92 | |
93 | nand->NFDATA = data; | |
94 | } | |
95 | ||
96 | static inline u8 NF_Read(void) | |
97 | { | |
d46879d8 | 98 | struct s3c2410_nand * const nand = s3c2410_get_base_nand(); |
48b42616 WD |
99 | |
100 | return(nand->NFDATA); | |
101 | } | |
102 | ||
103 | static inline void NF_Init_ECC(void) | |
104 | { | |
d46879d8 | 105 | struct s3c2410_nand * const nand = s3c2410_get_base_nand(); |
48b42616 WD |
106 | |
107 | nand->NFCONF |= (1<<12); | |
108 | } | |
109 | ||
110 | static inline u32 NF_Read_ECC(void) | |
111 | { | |
d46879d8 | 112 | struct s3c2410_nand * const nand = s3c2410_get_base_nand(); |
48b42616 WD |
113 | |
114 | return(nand->NFECC); | |
115 | } | |
116 | ||
117 | #endif | |
118 | ||
531716e1 WD |
119 | /* VCMA9 PLD regsiters */ |
120 | typedef struct { | |
28882237 | 121 | u8 ID; |
122 | u8 NIC; | |
123 | u8 CAN; | |
124 | u8 MISC; | |
125 | u8 GPCD; | |
126 | u8 BOARD; | |
127 | u8 SDRAM; | |
531716e1 WD |
128 | } /*__attribute__((__packed__))*/ VCMA9_PLD; |
129 | ||
130 | #define VCMA9_PLD_BASE 0x2C000100 | |
d46879d8 | 131 | static inline VCMA9_PLD *VCMA9_get_base_PLD(void) |
531716e1 WD |
132 | { |
133 | return (VCMA9_PLD * const)VCMA9_PLD_BASE; | |
134 | } |