diff options
Diffstat (limited to 'arch/m68k/platform/68VZ328/config.c')
-rw-r--r-- | arch/m68k/platform/68VZ328/config.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/arch/m68k/platform/68VZ328/config.c b/arch/m68k/platform/68VZ328/config.c new file mode 100644 index 000000000000..eabaabe8af36 --- /dev/null +++ b/arch/m68k/platform/68VZ328/config.c | |||
@@ -0,0 +1,188 @@ | |||
1 | /***************************************************************************/ | ||
2 | |||
3 | /* | ||
4 | * linux/arch/m68knommu/platform/68VZ328/config.c | ||
5 | * | ||
6 | * Copyright (C) 1993 Hamish Macdonald | ||
7 | * Copyright (C) 1999 D. Jeff Dionne | ||
8 | * Copyright (C) 2001 Georges Menie, Ken Desmet | ||
9 | * | ||
10 | * This file is subject to the terms and conditions of the GNU General Public | ||
11 | * License. See the file COPYING in the main directory of this archive | ||
12 | * for more details. | ||
13 | */ | ||
14 | |||
15 | /***************************************************************************/ | ||
16 | |||
17 | #include <linux/types.h> | ||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/kd.h> | ||
20 | #include <linux/netdevice.h> | ||
21 | #include <linux/interrupt.h> | ||
22 | #include <linux/irq.h> | ||
23 | |||
24 | #include <asm/system.h> | ||
25 | #include <asm/pgtable.h> | ||
26 | #include <asm/machdep.h> | ||
27 | #include <asm/MC68VZ328.h> | ||
28 | #include <asm/bootstd.h> | ||
29 | |||
30 | #ifdef CONFIG_INIT_LCD | ||
31 | #include "bootlogo.h" | ||
32 | #endif | ||
33 | |||
34 | /***************************************************************************/ | ||
35 | |||
36 | void m68328_timer_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec); | ||
37 | |||
38 | /***************************************************************************/ | ||
39 | /* Init Drangon Engine hardware */ | ||
40 | /***************************************************************************/ | ||
41 | #if defined(CONFIG_DRAGEN2) | ||
42 | |||
43 | static void m68vz328_reset(void) | ||
44 | { | ||
45 | local_irq_disable(); | ||
46 | |||
47 | #ifdef CONFIG_INIT_LCD | ||
48 | PBDATA |= 0x20; /* disable CCFL light */ | ||
49 | PKDATA |= 0x4; /* disable LCD controller */ | ||
50 | LCKCON = 0; | ||
51 | #endif | ||
52 | |||
53 | __asm__ __volatile__( | ||
54 | "reset\n\t" | ||
55 | "moveal #0x04000000, %a0\n\t" | ||
56 | "moveal 0(%a0), %sp\n\t" | ||
57 | "moveal 4(%a0), %a0\n\t" | ||
58 | "jmp (%a0)" | ||
59 | ); | ||
60 | } | ||
61 | |||
62 | static void init_hardware(char *command, int size) | ||
63 | { | ||
64 | #ifdef CONFIG_DIRECT_IO_ACCESS | ||
65 | SCR = 0x10; /* allow user access to internal registers */ | ||
66 | #endif | ||
67 | |||
68 | /* CSGB Init */ | ||
69 | CSGBB = 0x4000; | ||
70 | CSB = 0x1a1; | ||
71 | |||
72 | /* CS8900 init */ | ||
73 | /* PK3: hardware sleep function pin, active low */ | ||
74 | PKSEL |= PK(3); /* select pin as I/O */ | ||
75 | PKDIR |= PK(3); /* select pin as output */ | ||
76 | PKDATA |= PK(3); /* set pin high */ | ||
77 | |||
78 | /* PF5: hardware reset function pin, active high */ | ||
79 | PFSEL |= PF(5); /* select pin as I/O */ | ||
80 | PFDIR |= PF(5); /* select pin as output */ | ||
81 | PFDATA &= ~PF(5); /* set pin low */ | ||
82 | |||
83 | /* cs8900 hardware reset */ | ||
84 | PFDATA |= PF(5); | ||
85 | { int i; for (i = 0; i < 32000; ++i); } | ||
86 | PFDATA &= ~PF(5); | ||
87 | |||
88 | /* INT1 enable (cs8900 IRQ) */ | ||
89 | PDPOL &= ~PD(1); /* active high signal */ | ||
90 | PDIQEG &= ~PD(1); | ||
91 | PDIRQEN |= PD(1); /* IRQ enabled */ | ||
92 | |||
93 | #ifdef CONFIG_INIT_LCD | ||
94 | /* initialize LCD controller */ | ||
95 | LSSA = (long) screen_bits; | ||
96 | LVPW = 0x14; | ||
97 | LXMAX = 0x140; | ||
98 | LYMAX = 0xef; | ||
99 | LRRA = 0; | ||
100 | LPXCD = 3; | ||
101 | LPICF = 0x08; | ||
102 | LPOLCF = 0; | ||
103 | LCKCON = 0x80; | ||
104 | PCPDEN = 0xff; | ||
105 | PCSEL = 0; | ||
106 | |||
107 | /* Enable LCD controller */ | ||
108 | PKDIR |= 0x4; | ||
109 | PKSEL |= 0x4; | ||
110 | PKDATA &= ~0x4; | ||
111 | |||
112 | /* Enable CCFL backlighting circuit */ | ||
113 | PBDIR |= 0x20; | ||
114 | PBSEL |= 0x20; | ||
115 | PBDATA &= ~0x20; | ||
116 | |||
117 | /* contrast control register */ | ||
118 | PFDIR |= 0x1; | ||
119 | PFSEL &= ~0x1; | ||
120 | PWMR = 0x037F; | ||
121 | #endif | ||
122 | } | ||
123 | |||
124 | /***************************************************************************/ | ||
125 | /* Init RT-Control uCdimm hardware */ | ||
126 | /***************************************************************************/ | ||
127 | #elif defined(CONFIG_UCDIMM) | ||
128 | |||
129 | static void m68vz328_reset(void) | ||
130 | { | ||
131 | local_irq_disable(); | ||
132 | asm volatile ( | ||
133 | "moveal #0x10c00000, %a0;\n\t" | ||
134 | "moveb #0, 0xFFFFF300;\n\t" | ||
135 | "moveal 0(%a0), %sp;\n\t" | ||
136 | "moveal 4(%a0), %a0;\n\t" | ||
137 | "jmp (%a0);\n" | ||
138 | ); | ||
139 | } | ||
140 | |||
141 | unsigned char *cs8900a_hwaddr; | ||
142 | static int errno; | ||
143 | |||
144 | _bsc0(char *, getserialnum) | ||
145 | _bsc1(unsigned char *, gethwaddr, int, a) | ||
146 | _bsc1(char *, getbenv, char *, a) | ||
147 | |||
148 | static void init_hardware(char *command, int size) | ||
149 | { | ||
150 | char *p; | ||
151 | |||
152 | printk(KERN_INFO "uCdimm serial string [%s]\n", getserialnum()); | ||
153 | p = cs8900a_hwaddr = gethwaddr(0); | ||
154 | printk(KERN_INFO "uCdimm hwaddr %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", | ||
155 | p[0], p[1], p[2], p[3], p[4], p[5]); | ||
156 | p = getbenv("APPEND"); | ||
157 | if (p) | ||
158 | strcpy(p, command); | ||
159 | else | ||
160 | command[0] = 0; | ||
161 | } | ||
162 | |||
163 | /***************************************************************************/ | ||
164 | #else | ||
165 | |||
166 | static void m68vz328_reset(void) | ||
167 | { | ||
168 | } | ||
169 | |||
170 | static void init_hardware(char *command, int size) | ||
171 | { | ||
172 | } | ||
173 | |||
174 | /***************************************************************************/ | ||
175 | #endif | ||
176 | /***************************************************************************/ | ||
177 | |||
178 | void config_BSP(char *command, int size) | ||
179 | { | ||
180 | printk(KERN_INFO "68VZ328 DragonBallVZ support (c) 2001 Lineo, Inc.\n"); | ||
181 | |||
182 | init_hardware(command, size); | ||
183 | |||
184 | mach_gettod = m68328_timer_gettod; | ||
185 | mach_reset = m68vz328_reset; | ||
186 | } | ||
187 | |||
188 | /***************************************************************************/ | ||