diff options
Diffstat (limited to 'arch/m68knommu/platform/68328/config.c')
-rw-r--r-- | arch/m68knommu/platform/68328/config.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/arch/m68knommu/platform/68328/config.c b/arch/m68knommu/platform/68328/config.c new file mode 100644 index 000000000000..fd7c93f86481 --- /dev/null +++ b/arch/m68knommu/platform/68328/config.c | |||
@@ -0,0 +1,125 @@ | |||
1 | /* | ||
2 | * linux/arch/$(ARCH)/platform/$(PLATFORM)/config.c | ||
3 | * | ||
4 | * Copyright (C) 1993 Hamish Macdonald | ||
5 | * Copyright (C) 1999 D. Jeff Dionne | ||
6 | * | ||
7 | * This file is subject to the terms and conditions of the GNU General Public | ||
8 | * License. See the file COPYING in the main directory of this archive | ||
9 | * for more details. | ||
10 | * | ||
11 | * VZ Support/Fixes Evan Stawnyczy <e@lineo.ca> | ||
12 | */ | ||
13 | |||
14 | #include <asm/dbg.h> | ||
15 | #include <stdarg.h> | ||
16 | #include <linux/config.h> | ||
17 | #include <linux/types.h> | ||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/mm.h> | ||
20 | #include <linux/tty.h> | ||
21 | #include <linux/console.h> | ||
22 | #include <linux/interrupt.h> | ||
23 | #include <asm/current.h> | ||
24 | |||
25 | #include <asm/setup.h> | ||
26 | #include <asm/system.h> | ||
27 | #include <asm/pgtable.h> | ||
28 | #include <asm/irq.h> | ||
29 | #include <asm/machdep.h> | ||
30 | #include <asm/MC68328.h> | ||
31 | |||
32 | |||
33 | void BSP_sched_init(irqreturn_t (*timer_routine)(int, void *, struct pt_regs *)) | ||
34 | { | ||
35 | |||
36 | #ifdef CONFIG_XCOPILOT_BUGS | ||
37 | /* | ||
38 | * The only thing I know is that CLK32 is not available on Xcopilot | ||
39 | * I have little idea about what frequency SYSCLK has on Xcopilot. | ||
40 | * The values for prescaler and compare registers were simply | ||
41 | * taken from the original source | ||
42 | */ | ||
43 | |||
44 | /* Restart mode, Enable int, SYSCLK, Enable timer */ | ||
45 | TCTL2 = TCTL_OM | TCTL_IRQEN | TCTL_CLKSOURCE_SYSCLK | TCTL_TEN; | ||
46 | /* Set prescaler */ | ||
47 | TPRER2 = 2; | ||
48 | /* Set compare register */ | ||
49 | TCMP2 = 0xd7e4; | ||
50 | #else | ||
51 | /* Restart mode, Enable int, 32KHz, Enable timer */ | ||
52 | TCTL2 = TCTL_OM | TCTL_IRQEN | TCTL_CLKSOURCE_32KHZ | TCTL_TEN; | ||
53 | /* Set prescaler (Divide 32KHz by 32)*/ | ||
54 | TPRER2 = 31; | ||
55 | /* Set compare register 32Khz / 32 / 10 = 100 */ | ||
56 | TCMP2 = 10; | ||
57 | #endif | ||
58 | |||
59 | request_irq(TMR2_IRQ_NUM, timer_routine, IRQ_FLG_LOCK, "timer", NULL); | ||
60 | } | ||
61 | |||
62 | void BSP_tick(void) | ||
63 | { | ||
64 | /* Reset Timer2 */ | ||
65 | TSTAT2 &= 0; | ||
66 | } | ||
67 | |||
68 | unsigned long BSP_gettimeoffset (void) | ||
69 | { | ||
70 | return 0; | ||
71 | } | ||
72 | |||
73 | void BSP_gettod (int *yearp, int *monp, int *dayp, | ||
74 | int *hourp, int *minp, int *secp) | ||
75 | { | ||
76 | } | ||
77 | |||
78 | int BSP_hwclk(int op, struct hwclk_time *t) | ||
79 | { | ||
80 | if (!op) { | ||
81 | /* read */ | ||
82 | } else { | ||
83 | /* write */ | ||
84 | } | ||
85 | return 0; | ||
86 | } | ||
87 | |||
88 | int BSP_set_clock_mmss (unsigned long nowtime) | ||
89 | { | ||
90 | #if 0 | ||
91 | short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60; | ||
92 | |||
93 | tod->second1 = real_seconds / 10; | ||
94 | tod->second2 = real_seconds % 10; | ||
95 | tod->minute1 = real_minutes / 10; | ||
96 | tod->minute2 = real_minutes % 10; | ||
97 | #endif | ||
98 | return 0; | ||
99 | } | ||
100 | |||
101 | void BSP_reset (void) | ||
102 | { | ||
103 | local_irq_disable(); | ||
104 | asm volatile ("moveal #0x10c00000, %a0;\n\t" | ||
105 | "moveb #0, 0xFFFFF300;\n\t" | ||
106 | "moveal 0(%a0), %sp;\n\t" | ||
107 | "moveal 4(%a0), %a0;\n\t" | ||
108 | "jmp (%a0);"); | ||
109 | } | ||
110 | |||
111 | void config_BSP(char *command, int len) | ||
112 | { | ||
113 | printk(KERN_INFO "\n68328 support D. Jeff Dionne <jeff@uclinux.org>\n"); | ||
114 | printk(KERN_INFO "68328 support Kenneth Albanowski <kjahds@kjshds.com>\n"); | ||
115 | printk(KERN_INFO "68328/Pilot support Bernhard Kuhn <kuhn@lpr.e-technik.tu-muenchen.de>\n"); | ||
116 | |||
117 | mach_sched_init = BSP_sched_init; | ||
118 | mach_tick = BSP_tick; | ||
119 | mach_gettimeoffset = BSP_gettimeoffset; | ||
120 | mach_gettod = BSP_gettod; | ||
121 | mach_hwclk = NULL; | ||
122 | mach_set_clock_mmss = NULL; | ||
123 | mach_reset = BSP_reset; | ||
124 | *command = '\0'; | ||
125 | } | ||