1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/* $Id: setup_se.c,v 1.6 2000/05/14 08:41:25 gniibe Exp $
*
* linux/arch/sh/kernel/setup_se.c
*
* Copyright (C) 2000 Kazumoto Kojima
*
* Hitachi SolutionEngine Support.
*
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/hdreg.h>
#include <linux/ide.h>
#include <asm/io.h>
#include <asm/hitachi_se.h>
#include <asm/smc37c93x.h>
/*
* Configure the Super I/O chip
*/
static void __init smsc_config(int index, int data)
{
outb_p(index, INDEX_PORT);
outb_p(data, DATA_PORT);
}
static void __init init_smsc(void)
{
outb_p(CONFIG_ENTER, CONFIG_PORT);
outb_p(CONFIG_ENTER, CONFIG_PORT);
/* FDC */
smsc_config(CURRENT_LDN_INDEX, LDN_FDC);
smsc_config(ACTIVATE_INDEX, 0x01);
smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */
/* IDE1 */
smsc_config(CURRENT_LDN_INDEX, LDN_IDE1);
smsc_config(ACTIVATE_INDEX, 0x01);
smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */
/* AUXIO (GPIO): to use IDE1 */
smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO);
smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */
smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */
/* COM1 */
smsc_config(CURRENT_LDN_INDEX, LDN_COM1);
smsc_config(ACTIVATE_INDEX, 0x01);
smsc_config(IO_BASE_HI_INDEX, 0x03);
smsc_config(IO_BASE_LO_INDEX, 0xf8);
smsc_config(IRQ_SELECT_INDEX, 4); /* IRQ4 */
/* COM2 */
smsc_config(CURRENT_LDN_INDEX, LDN_COM2);
smsc_config(ACTIVATE_INDEX, 0x01);
smsc_config(IO_BASE_HI_INDEX, 0x02);
smsc_config(IO_BASE_LO_INDEX, 0xf8);
smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */
/* RTC */
smsc_config(CURRENT_LDN_INDEX, LDN_RTC);
smsc_config(ACTIVATE_INDEX, 0x01);
smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */
/* XXX: PARPORT, KBD, and MOUSE will come here... */
outb_p(CONFIG_EXIT, CONFIG_PORT);
}
/*
* Initialize IRQ setting
*/
void __init init_se_IRQ(void)
{
/*
* Super I/O (Just mimic PC):
* 1: keyboard
* 3: serial 0
* 4: serial 1
* 5: printer
* 6: floppy
* 8: rtc
* 12: mouse
* 14: ide0
*/
make_ipr_irq(14, BCR_ILCRA, 2, 0x0f-14);
make_ipr_irq(12, BCR_ILCRA, 1, 0x0f-12);
make_ipr_irq( 8, BCR_ILCRB, 1, 0x0f- 8);
make_ipr_irq( 6, BCR_ILCRC, 3, 0x0f- 6);
make_ipr_irq( 5, BCR_ILCRC, 2, 0x0f- 5);
make_ipr_irq( 4, BCR_ILCRC, 1, 0x0f- 4);
make_ipr_irq( 3, BCR_ILCRC, 0, 0x0f- 3);
make_ipr_irq( 1, BCR_ILCRD, 3, 0x0f- 1);
make_ipr_irq(10, BCR_ILCRD, 1, 0x0f-10); /* LAN */
make_ipr_irq( 0, BCR_ILCRE, 3, 0x0f- 0); /* PCIRQ3 */
make_ipr_irq(11, BCR_ILCRE, 2, 0x0f-11); /* PCIRQ2 */
make_ipr_irq( 9, BCR_ILCRE, 1, 0x0f- 9); /* PCIRQ1 */
make_ipr_irq( 7, BCR_ILCRE, 0, 0x0f- 7); /* PCIRQ0 */
/* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */
/* NOTE: #2 and #13 are not used on PC */
make_ipr_irq(13, BCR_ILCRG, 1, 0x0f-13); /* SLOTIRQ2 */
make_ipr_irq( 2, BCR_ILCRG, 0, 0x0f- 2); /* SLOTIRQ1 */
}
/*
* Initialize the board
*/
void __init setup_se(void)
{
init_smsc();
/* XXX: RTC setting comes here */
}
|
