| 1 |
1275 |
phoenix |
/*
|
| 2 |
|
|
* linux/arch/sh/kernel/setup_7751se.c
|
| 3 |
|
|
*
|
| 4 |
|
|
* Copyright (C) 2000 Kazumoto Kojima
|
| 5 |
|
|
*
|
| 6 |
|
|
* Hitachi SolutionEngine Support.
|
| 7 |
|
|
*
|
| 8 |
|
|
* Modified for 7751 Solution Engine by
|
| 9 |
|
|
* Ian da Silva and Jeremy Siegel, 2001.
|
| 10 |
|
|
*/
|
| 11 |
|
|
|
| 12 |
|
|
#include <linux/config.h>
|
| 13 |
|
|
#include <linux/init.h>
|
| 14 |
|
|
#include <linux/irq.h>
|
| 15 |
|
|
|
| 16 |
|
|
#include <linux/hdreg.h>
|
| 17 |
|
|
#include <linux/ide.h>
|
| 18 |
|
|
#include <asm/io.h>
|
| 19 |
|
|
#include <asm/hitachi_7751se.h>
|
| 20 |
|
|
|
| 21 |
|
|
/*
|
| 22 |
|
|
* Configure the Super I/O chip
|
| 23 |
|
|
*/
|
| 24 |
|
|
#if 0
|
| 25 |
|
|
/* Leftover code from regular Solution Engine, for reference. */
|
| 26 |
|
|
/* The SH7751 Solution Engine has a different SuperIO. */
|
| 27 |
|
|
static void __init smsc_config(int index, int data)
|
| 28 |
|
|
{
|
| 29 |
|
|
outb_p(index, INDEX_PORT);
|
| 30 |
|
|
outb_p(data, DATA_PORT);
|
| 31 |
|
|
}
|
| 32 |
|
|
|
| 33 |
|
|
static void __init init_smsc(void)
|
| 34 |
|
|
{
|
| 35 |
|
|
outb_p(CONFIG_ENTER, CONFIG_PORT);
|
| 36 |
|
|
outb_p(CONFIG_ENTER, CONFIG_PORT);
|
| 37 |
|
|
|
| 38 |
|
|
/* FDC */
|
| 39 |
|
|
smsc_config(CURRENT_LDN_INDEX, LDN_FDC);
|
| 40 |
|
|
smsc_config(ACTIVATE_INDEX, 0x01);
|
| 41 |
|
|
smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */
|
| 42 |
|
|
|
| 43 |
|
|
/* IDE1 */
|
| 44 |
|
|
smsc_config(CURRENT_LDN_INDEX, LDN_IDE1);
|
| 45 |
|
|
smsc_config(ACTIVATE_INDEX, 0x01);
|
| 46 |
|
|
smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */
|
| 47 |
|
|
|
| 48 |
|
|
/* AUXIO (GPIO): to use IDE1 */
|
| 49 |
|
|
smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO);
|
| 50 |
|
|
smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */
|
| 51 |
|
|
smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */
|
| 52 |
|
|
|
| 53 |
|
|
/* COM1 */
|
| 54 |
|
|
smsc_config(CURRENT_LDN_INDEX, LDN_COM1);
|
| 55 |
|
|
smsc_config(ACTIVATE_INDEX, 0x01);
|
| 56 |
|
|
smsc_config(IO_BASE_HI_INDEX, 0x03);
|
| 57 |
|
|
smsc_config(IO_BASE_LO_INDEX, 0xf8);
|
| 58 |
|
|
smsc_config(IRQ_SELECT_INDEX, 4); /* IRQ4 */
|
| 59 |
|
|
|
| 60 |
|
|
/* COM2 */
|
| 61 |
|
|
smsc_config(CURRENT_LDN_INDEX, LDN_COM2);
|
| 62 |
|
|
smsc_config(ACTIVATE_INDEX, 0x01);
|
| 63 |
|
|
smsc_config(IO_BASE_HI_INDEX, 0x02);
|
| 64 |
|
|
smsc_config(IO_BASE_LO_INDEX, 0xf8);
|
| 65 |
|
|
smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */
|
| 66 |
|
|
|
| 67 |
|
|
/* RTC */
|
| 68 |
|
|
smsc_config(CURRENT_LDN_INDEX, LDN_RTC);
|
| 69 |
|
|
smsc_config(ACTIVATE_INDEX, 0x01);
|
| 70 |
|
|
smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */
|
| 71 |
|
|
|
| 72 |
|
|
/* XXX: PARPORT, KBD, and MOUSE will come here... */
|
| 73 |
|
|
outb_p(CONFIG_EXIT, CONFIG_PORT);
|
| 74 |
|
|
}
|
| 75 |
|
|
#endif
|
| 76 |
|
|
|
| 77 |
|
|
/*
|
| 78 |
|
|
* Initialize IRQ setting
|
| 79 |
|
|
*/
|
| 80 |
|
|
void __init init_7751se_IRQ(void)
|
| 81 |
|
|
{
|
| 82 |
|
|
|
| 83 |
|
|
/* Leave old Solution Engine code in for reference. */
|
| 84 |
|
|
#if defined(CONFIG_SH_SOLUTION_ENGINE)
|
| 85 |
|
|
/*
|
| 86 |
|
|
* Super I/O (Just mimic PC):
|
| 87 |
|
|
* 1: keyboard
|
| 88 |
|
|
* 3: serial 0
|
| 89 |
|
|
* 4: serial 1
|
| 90 |
|
|
* 5: printer
|
| 91 |
|
|
* 6: floppy
|
| 92 |
|
|
* 8: rtc
|
| 93 |
|
|
* 12: mouse
|
| 94 |
|
|
* 14: ide0
|
| 95 |
|
|
*/
|
| 96 |
|
|
make_ipr_irq(14, BCR_ILCRA, 2, 0x0f-14);
|
| 97 |
|
|
make_ipr_irq(12, BCR_ILCRA, 1, 0x0f-12);
|
| 98 |
|
|
make_ipr_irq( 8, BCR_ILCRB, 1, 0x0f- 8);
|
| 99 |
|
|
make_ipr_irq( 6, BCR_ILCRC, 3, 0x0f- 6);
|
| 100 |
|
|
make_ipr_irq( 5, BCR_ILCRC, 2, 0x0f- 5);
|
| 101 |
|
|
make_ipr_irq( 4, BCR_ILCRC, 1, 0x0f- 4);
|
| 102 |
|
|
make_ipr_irq( 3, BCR_ILCRC, 0, 0x0f- 3);
|
| 103 |
|
|
make_ipr_irq( 1, BCR_ILCRD, 3, 0x0f- 1);
|
| 104 |
|
|
|
| 105 |
|
|
make_ipr_irq(10, BCR_ILCRD, 1, 0x0f-10); /* LAN */
|
| 106 |
|
|
|
| 107 |
|
|
make_ipr_irq( 0, BCR_ILCRE, 3, 0x0f- 0); /* PCIRQ3 */
|
| 108 |
|
|
make_ipr_irq(11, BCR_ILCRE, 2, 0x0f-11); /* PCIRQ2 */
|
| 109 |
|
|
make_ipr_irq( 9, BCR_ILCRE, 1, 0x0f- 9); /* PCIRQ1 */
|
| 110 |
|
|
make_ipr_irq( 7, BCR_ILCRE, 0, 0x0f- 7); /* PCIRQ0 */
|
| 111 |
|
|
|
| 112 |
|
|
/* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */
|
| 113 |
|
|
/* NOTE: #2 and #13 are not used on PC */
|
| 114 |
|
|
make_ipr_irq(13, BCR_ILCRG, 1, 0x0f-13); /* SLOTIRQ2 */
|
| 115 |
|
|
make_ipr_irq( 2, BCR_ILCRG, 0, 0x0f- 2); /* SLOTIRQ1 */
|
| 116 |
|
|
|
| 117 |
|
|
#elif defined(CONFIG_SH_7751_SOLUTION_ENGINE)
|
| 118 |
|
|
|
| 119 |
|
|
make_ipr_irq(13, BCR_ILCRD, 3, 2);
|
| 120 |
|
|
|
| 121 |
|
|
/* Add additional calls to make_ipr_irq() as drivers are added
|
| 122 |
|
|
* and tested.
|
| 123 |
|
|
*/
|
| 124 |
|
|
#endif
|
| 125 |
|
|
|
| 126 |
|
|
}
|
| 127 |
|
|
|
| 128 |
|
|
|
| 129 |
|
|
/*
|
| 130 |
|
|
* Initialize the board
|
| 131 |
|
|
*/
|
| 132 |
|
|
void __init setup_7751se(void)
|
| 133 |
|
|
{
|
| 134 |
|
|
/* Call init_smsc() replacement to set up SuperIO. */
|
| 135 |
|
|
/* XXX: RTC setting comes here */
|
| 136 |
|
|
}
|
