diff options
Diffstat (limited to 'arch/m68knommu')
-rw-r--r-- | arch/m68knommu/platform/68VZ328/config.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/arch/m68knommu/platform/68VZ328/config.c b/arch/m68knommu/platform/68VZ328/config.c new file mode 100644 index 000000000000..d926524cdf82 --- /dev/null +++ b/arch/m68knommu/platform/68VZ328/config.c | |||
@@ -0,0 +1,210 @@ | |||
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/config.h> | ||
18 | #include <linux/types.h> | ||
19 | #include <linux/kernel.h> | ||
20 | #include <linux/mm.h> | ||
21 | #include <linux/tty.h> | ||
22 | #include <linux/console.h> | ||
23 | #include <linux/kd.h> | ||
24 | #include <linux/netdevice.h> | ||
25 | |||
26 | #include <asm/setup.h> | ||
27 | #include <asm/system.h> | ||
28 | #include <asm/pgtable.h> | ||
29 | #include <asm/irq.h> | ||
30 | #include <asm/machdep.h> | ||
31 | #include <asm/MC68VZ328.h> | ||
32 | #include <asm/bootstd.h> | ||
33 | |||
34 | #ifdef CONFIG_INIT_LCD | ||
35 | #include "bootlogo.h" | ||
36 | #endif | ||
37 | |||
38 | /***************************************************************************/ | ||
39 | |||
40 | void m68328_timer_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *)); | ||
41 | void m68328_timer_tick(void); | ||
42 | unsigned long m68328_timer_gettimeoffset(void); | ||
43 | void m68328_timer_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec); | ||
44 | |||
45 | /***************************************************************************/ | ||
46 | /* Init Drangon Engine hardware */ | ||
47 | /***************************************************************************/ | ||
48 | #if defined(CONFIG_DRAGEN2) | ||
49 | |||
50 | static void m68vz328_reset(void) | ||
51 | { | ||
52 | local_irq_disable(); | ||
53 | |||
54 | #ifdef CONFIG_INIT_LCD | ||
55 | PBDATA |= 0x20; /* disable CCFL light */ | ||
56 | PKDATA |= 0x4; /* disable LCD controller */ | ||
57 | LCKCON = 0; | ||
58 | #endif | ||
59 | |||
60 | __asm__ __volatile__( | ||
61 | "reset\n\t" | ||
62 | "moveal #0x04000000, %a0\n\t" | ||
63 | "moveal 0(%a0), %sp\n\t" | ||
64 | "moveal 4(%a0), %a0\n\t" | ||
65 | "jmp (%a0)" | ||
66 | ); | ||
67 | } | ||
68 | |||
69 | static void init_hardware(char *command, int size) | ||
70 | { | ||
71 | #ifdef CONFIG_DIRECT_IO_ACCESS | ||
72 | SCR = 0x10; /* allow user access to internal registers */ | ||
73 | #endif | ||
74 | |||
75 | /* CSGB Init */ | ||
76 | CSGBB = 0x4000; | ||
77 | CSB = 0x1a1; | ||
78 | |||
79 | /* CS8900 init */ | ||
80 | /* PK3: hardware sleep function pin, active low */ | ||
81 | PKSEL |= PK(3); /* select pin as I/O */ | ||
82 | PKDIR |= PK(3); /* select pin as output */ | ||
83 | PKDATA |= PK(3); /* set pin high */ | ||
84 | |||
85 | /* PF5: hardware reset function pin, active high */ | ||
86 | PFSEL |= PF(5); /* select pin as I/O */ | ||
87 | PFDIR |= PF(5); /* select pin as output */ | ||
88 | PFDATA &= ~PF(5); /* set pin low */ | ||
89 | |||
90 | /* cs8900 hardware reset */ | ||
91 | PFDATA |= PF(5); | ||
92 | { int i; for (i = 0; i < 32000; ++i); } | ||
93 | PFDATA &= ~PF(5); | ||
94 | |||
95 | /* INT1 enable (cs8900 IRQ) */ | ||
96 | PDPOL &= ~PD(1); /* active high signal */ | ||
97 | PDIQEG &= ~PD(1); | ||
98 | PDIRQEN |= PD(1); /* IRQ enabled */ | ||
99 | |||
100 | #ifdef CONFIG_68328_SERIAL_UART2 | ||
101 | /* Enable RXD TXD port bits to enable UART2 */ | ||
102 | PJSEL &= ~(PJ(5) | PJ(4)); | ||
103 | #endif | ||
104 | |||
105 | #ifdef CONFIG_INIT_LCD | ||
106 | /* initialize LCD controller */ | ||
107 | LSSA = (long) screen_bits; | ||
108 | LVPW = 0x14; | ||
109 | LXMAX = 0x140; | ||
110 | LYMAX = 0xef; | ||
111 | LRRA = 0; | ||
112 | LPXCD = 3; | ||
113 | LPICF = 0x08; | ||
114 | LPOLCF = 0; | ||
115 | LCKCON = 0x80; | ||
116 | PCPDEN = 0xff; | ||
117 | PCSEL = 0; | ||
118 | |||
119 | /* Enable LCD controller */ | ||
120 | PKDIR |= 0x4; | ||
121 | PKSEL |= 0x4; | ||
122 | PKDATA &= ~0x4; | ||
123 | |||
124 | /* Enable CCFL backlighting circuit */ | ||
125 | PBDIR |= 0x20; | ||
126 | PBSEL |= 0x20; | ||
127 | PBDATA &= ~0x20; | ||
128 | |||
129 | /* contrast control register */ | ||
130 | PFDIR |= 0x1; | ||
131 | PFSEL &= ~0x1; | ||
132 | PWMR = 0x037F; | ||
133 | #endif | ||
134 | } | ||
135 | |||
136 | /***************************************************************************/ | ||
137 | /* Init RT-Control uCdimm hardware */ | ||
138 | /***************************************************************************/ | ||
139 | #elif defined(CONFIG_UCDIMM) | ||
140 | |||
141 | static void m68vz328_reset(void) | ||
142 | { | ||
143 | local_irq_disable(); | ||
144 | asm volatile (" | ||
145 | moveal #0x10c00000, %a0; | ||
146 | moveb #0, 0xFFFFF300; | ||
147 | moveal 0(%a0), %sp; | ||
148 | moveal 4(%a0), %a0; | ||
149 | jmp (%a0); | ||
150 | "); | ||
151 | } | ||
152 | |||
153 | unsigned char *cs8900a_hwaddr; | ||
154 | static int errno; | ||
155 | |||
156 | _bsc0(char *, getserialnum) | ||
157 | _bsc1(unsigned char *, gethwaddr, int, a) | ||
158 | _bsc1(char *, getbenv, char *, a) | ||
159 | |||
160 | static void init_hardware(char *command, int size) | ||
161 | { | ||
162 | char *p; | ||
163 | |||
164 | printk(KERN_INFO "uCdimm serial string [%s]\n", getserialnum()); | ||
165 | p = cs8900a_hwaddr = gethwaddr(0); | ||
166 | printk(KERN_INFO "uCdimm hwaddr %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", | ||
167 | p[0], p[1], p[2], p[3], p[4], p[5]); | ||
168 | p = getbenv("APPEND"); | ||
169 | if (p) | ||
170 | strcpy(p, command); | ||
171 | else | ||
172 | command[0] = 0; | ||
173 | } | ||
174 | |||
175 | /***************************************************************************/ | ||
176 | #else | ||
177 | |||
178 | static void m68vz328_reset(void) | ||
179 | { | ||
180 | } | ||
181 | |||
182 | static void init_hardware(char *command, int size) | ||
183 | { | ||
184 | } | ||
185 | |||
186 | /***************************************************************************/ | ||
187 | #endif | ||
188 | /***************************************************************************/ | ||
189 | |||
190 | void config_BSP(char *command, int size) | ||
191 | { | ||
192 | printk(KERN_INFO "68VZ328 DragonBallVZ support (c) 2001 Lineo, Inc.\n"); | ||
193 | |||
194 | #if defined(CONFIG_BOOTPARAM) | ||
195 | strncpy(command, CONFIG_BOOTPARAM_STRING, size); | ||
196 | command[size-1] = 0; | ||
197 | #else | ||
198 | memset(command, 0, size); | ||
199 | #endif | ||
200 | |||
201 | init_hardware(command, size); | ||
202 | |||
203 | mach_sched_init = (void *) m68328_timer_init; | ||
204 | mach_tick = m68328_timer_tick; | ||
205 | mach_gettimeoffset = m68328_timer_gettimeoffset; | ||
206 | mach_gettod = m68328_timer_gettod; | ||
207 | mach_reset = m68vz328_reset; | ||
208 | } | ||
209 | |||
210 | /***************************************************************************/ | ||