diff options
Diffstat (limited to 'arch/m68knommu')
-rw-r--r-- | arch/m68knommu/platform/68VZ328/de2/config.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/arch/m68knommu/platform/68VZ328/de2/config.c b/arch/m68knommu/platform/68VZ328/de2/config.c deleted file mode 100644 index d0586197f113..000000000000 --- a/arch/m68knommu/platform/68VZ328/de2/config.c +++ /dev/null | |||
@@ -1,191 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/m68knommu/platform/MC68VZ328/de2/config.c | ||
3 | * | ||
4 | * Copyright (C) 1993 Hamish Macdonald | ||
5 | * Copyright (C) 1999 D. Jeff Dionne | ||
6 | * Copyright (C) 2001 Georges Menie, Ken Desmet | ||
7 | * | ||
8 | * This file is subject to the terms and conditions of the GNU General Public | ||
9 | * License. See the file COPYING in the main directory of this archive | ||
10 | * for more details. | ||
11 | */ | ||
12 | |||
13 | #include <linux/config.h> | ||
14 | #include <linux/types.h> | ||
15 | #include <linux/kernel.h> | ||
16 | #include <linux/mm.h> | ||
17 | #include <linux/tty.h> | ||
18 | #include <linux/console.h> | ||
19 | #include <linux/kd.h> | ||
20 | #include <linux/netdevice.h> | ||
21 | |||
22 | #include <asm/setup.h> | ||
23 | #include <asm/system.h> | ||
24 | #include <asm/pgtable.h> | ||
25 | #include <asm/irq.h> | ||
26 | #include <asm/machdep.h> | ||
27 | #include <asm/MC68VZ328.h> | ||
28 | |||
29 | #ifdef CONFIG_INIT_LCD | ||
30 | #include "screen.h" | ||
31 | #endif | ||
32 | |||
33 | /* with a 33.16 MHz clock, this will give usec resolution to the time functions */ | ||
34 | #define CLOCK_SOURCE TCTL_CLKSOURCE_SYSCLK | ||
35 | #define CLOCK_PRE 7 | ||
36 | #define TICKS_PER_JIFFY 41450 | ||
37 | |||
38 | static void | ||
39 | dragen2_sched_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *)) | ||
40 | { | ||
41 | /* disable timer 1 */ | ||
42 | TCTL = 0; | ||
43 | |||
44 | /* set ISR */ | ||
45 | if (request_irq(TMR_IRQ_NUM, timer_routine, IRQ_FLG_LOCK, "timer", NULL)) | ||
46 | panic("Unable to attach timer interrupt\n"); | ||
47 | |||
48 | /* Restart mode, Enable int, Set clock source */ | ||
49 | TCTL = TCTL_OM | TCTL_IRQEN | CLOCK_SOURCE; | ||
50 | TPRER = CLOCK_PRE; | ||
51 | TCMP = TICKS_PER_JIFFY; | ||
52 | |||
53 | /* Enable timer 1 */ | ||
54 | TCTL |= TCTL_TEN; | ||
55 | } | ||
56 | |||
57 | static void dragen2_tick(void) | ||
58 | { | ||
59 | /* Reset Timer1 */ | ||
60 | TSTAT &= 0; | ||
61 | } | ||
62 | |||
63 | static unsigned long dragen2_gettimeoffset(void) | ||
64 | { | ||
65 | unsigned long ticks = TCN, offset = 0; | ||
66 | |||
67 | /* check for pending interrupt */ | ||
68 | if (ticks < (TICKS_PER_JIFFY >> 1) && (ISR & (1 << TMR_IRQ_NUM))) | ||
69 | offset = 1000000 / HZ; | ||
70 | |||
71 | ticks = (ticks * 1000000 / HZ) / TICKS_PER_JIFFY; | ||
72 | |||
73 | return ticks + offset; | ||
74 | } | ||
75 | |||
76 | static void dragen2_gettod(int *year, int *mon, int *day, int *hour, | ||
77 | int *min, int *sec) | ||
78 | { | ||
79 | long now = RTCTIME; | ||
80 | |||
81 | *year = *mon = *day = 1; | ||
82 | *hour = (now >> 24) % 24; | ||
83 | *min = (now >> 16) % 60; | ||
84 | *sec = now % 60; | ||
85 | } | ||
86 | |||
87 | static void dragen2_reset(void) | ||
88 | { | ||
89 | local_irq_disable(); | ||
90 | |||
91 | #ifdef CONFIG_INIT_LCD | ||
92 | PBDATA |= 0x20; /* disable CCFL light */ | ||
93 | PKDATA |= 0x4; /* disable LCD controller */ | ||
94 | LCKCON = 0; | ||
95 | #endif | ||
96 | |||
97 | __asm__ __volatile__( | ||
98 | "reset\n\t" | ||
99 | "moveal #0x04000000, %a0\n\t" | ||
100 | "moveal 0(%a0), %sp\n\t" | ||
101 | "moveal 4(%a0), %a0\n\t" | ||
102 | "jmp (%a0)" | ||
103 | ); | ||
104 | } | ||
105 | |||
106 | static void init_hardware(void) | ||
107 | { | ||
108 | #ifdef CONFIG_DIRECT_IO_ACCESS | ||
109 | SCR = 0x10; /* allow user access to internal registers */ | ||
110 | #endif | ||
111 | |||
112 | /* CSGB Init */ | ||
113 | CSGBB = 0x4000; | ||
114 | CSB = 0x1a1; | ||
115 | |||
116 | /* CS8900 init */ | ||
117 | /* PK3: hardware sleep function pin, active low */ | ||
118 | PKSEL |= PK(3); /* select pin as I/O */ | ||
119 | PKDIR |= PK(3); /* select pin as output */ | ||
120 | PKDATA |= PK(3); /* set pin high */ | ||
121 | |||
122 | /* PF5: hardware reset function pin, active high */ | ||
123 | PFSEL |= PF(5); /* select pin as I/O */ | ||
124 | PFDIR |= PF(5); /* select pin as output */ | ||
125 | PFDATA &= ~PF(5); /* set pin low */ | ||
126 | |||
127 | /* cs8900 hardware reset */ | ||
128 | PFDATA |= PF(5); | ||
129 | { int i; for (i = 0; i < 32000; ++i); } | ||
130 | PFDATA &= ~PF(5); | ||
131 | |||
132 | /* INT1 enable (cs8900 IRQ) */ | ||
133 | PDPOL &= ~PD(1); /* active high signal */ | ||
134 | PDIQEG &= ~PD(1); | ||
135 | PDIRQEN |= PD(1); /* IRQ enabled */ | ||
136 | |||
137 | #ifdef CONFIG_68328_SERIAL_UART2 | ||
138 | /* Enable RXD TXD port bits to enable UART2 */ | ||
139 | PJSEL &= ~(PJ(5) | PJ(4)); | ||
140 | #endif | ||
141 | |||
142 | #ifdef CONFIG_INIT_LCD | ||
143 | /* initialize LCD controller */ | ||
144 | LSSA = (long) screen_bits; | ||
145 | LVPW = 0x14; | ||
146 | LXMAX = 0x140; | ||
147 | LYMAX = 0xef; | ||
148 | LRRA = 0; | ||
149 | LPXCD = 3; | ||
150 | LPICF = 0x08; | ||
151 | LPOLCF = 0; | ||
152 | LCKCON = 0x80; | ||
153 | PCPDEN = 0xff; | ||
154 | PCSEL = 0; | ||
155 | |||
156 | /* Enable LCD controller */ | ||
157 | PKDIR |= 0x4; | ||
158 | PKSEL |= 0x4; | ||
159 | PKDATA &= ~0x4; | ||
160 | |||
161 | /* Enable CCFL backlighting circuit */ | ||
162 | PBDIR |= 0x20; | ||
163 | PBSEL |= 0x20; | ||
164 | PBDATA &= ~0x20; | ||
165 | |||
166 | /* contrast control register */ | ||
167 | PFDIR |= 0x1; | ||
168 | PFSEL &= ~0x1; | ||
169 | PWMR = 0x037F; | ||
170 | #endif | ||
171 | } | ||
172 | |||
173 | void config_BSP(char *command, int size) | ||
174 | { | ||
175 | printk(KERN_INFO "68VZ328 DragonBallVZ support (c) 2001 Lineo, Inc.\n"); | ||
176 | |||
177 | #if defined(CONFIG_BOOTPARAM) | ||
178 | strncpy(command, CONFIG_BOOTPARAM_STRING, size); | ||
179 | command[size-1] = 0; | ||
180 | #else | ||
181 | memset(command, 0, size); | ||
182 | #endif | ||
183 | |||
184 | init_hardware(); | ||
185 | |||
186 | mach_sched_init = (void *)dragen2_sched_init; | ||
187 | mach_tick = dragen2_tick; | ||
188 | mach_gettimeoffset = dragen2_gettimeoffset; | ||
189 | mach_reset = dragen2_reset; | ||
190 | mach_gettod = dragen2_gettod; | ||
191 | } | ||