| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* $Id: setup.c,v 1.1.2.4 2002/03/02 21:57:07 lethal Exp $ |
| 2 | * |
| 3 | * linux/arch/sh/boards/se/770x/setup.c |
| 4 | * |
| 5 | * Copyright (C) 2000 Kazumoto Kojima |
| 6 | * |
| 7 | * Hitachi SolutionEngine Support. |
| 8 | * |
| 9 | */ |
| 10 | |
| 11 | #include <linux/config.h> |
| 12 | #include <linux/init.h> |
| 13 | #include <linux/irq.h> |
| 14 | |
| 15 | #include <linux/hdreg.h> |
| 16 | #include <linux/ide.h> |
| 17 | #include <asm/io.h> |
| 18 | #include <asm/se/se.h> |
| 19 | #include <asm/se/smc37c93x.h> |
| 20 | |
| 21 | /* |
| 22 | * Configure the Super I/O chip |
| 23 | */ |
| 24 | static void __init smsc_config(int index, int data) |
| 25 | { |
| 26 | outb_p(index, INDEX_PORT); |
| 27 | outb_p(data, DATA_PORT); |
| 28 | } |
| 29 | |
| 30 | static void __init init_smsc(void) |
| 31 | { |
| 32 | outb_p(CONFIG_ENTER, CONFIG_PORT); |
| 33 | outb_p(CONFIG_ENTER, CONFIG_PORT); |
| 34 | |
| 35 | /* FDC */ |
| 36 | smsc_config(CURRENT_LDN_INDEX, LDN_FDC); |
| 37 | smsc_config(ACTIVATE_INDEX, 0x01); |
| 38 | smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */ |
| 39 | |
| 40 | /* IDE1 */ |
| 41 | smsc_config(CURRENT_LDN_INDEX, LDN_IDE1); |
| 42 | smsc_config(ACTIVATE_INDEX, 0x01); |
| 43 | smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */ |
| 44 | |
| 45 | /* AUXIO (GPIO): to use IDE1 */ |
| 46 | smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO); |
| 47 | smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */ |
| 48 | smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */ |
| 49 | |
| 50 | /* COM1 */ |
| 51 | smsc_config(CURRENT_LDN_INDEX, LDN_COM1); |
| 52 | smsc_config(ACTIVATE_INDEX, 0x01); |
| 53 | smsc_config(IO_BASE_HI_INDEX, 0x03); |
| 54 | smsc_config(IO_BASE_LO_INDEX, 0xf8); |
| 55 | smsc_config(IRQ_SELECT_INDEX, 4); /* IRQ4 */ |
| 56 | |
| 57 | /* COM2 */ |
| 58 | smsc_config(CURRENT_LDN_INDEX, LDN_COM2); |
| 59 | smsc_config(ACTIVATE_INDEX, 0x01); |
| 60 | smsc_config(IO_BASE_HI_INDEX, 0x02); |
| 61 | smsc_config(IO_BASE_LO_INDEX, 0xf8); |
| 62 | smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */ |
| 63 | |
| 64 | /* RTC */ |
| 65 | smsc_config(CURRENT_LDN_INDEX, LDN_RTC); |
| 66 | smsc_config(ACTIVATE_INDEX, 0x01); |
| 67 | smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */ |
| 68 | |
| 69 | /* XXX: PARPORT, KBD, and MOUSE will come here... */ |
| 70 | outb_p(CONFIG_EXIT, CONFIG_PORT); |
| 71 | } |
| 72 | |
| 73 | const char *get_system_type(void) |
| 74 | { |
| 75 | return "SolutionEngine"; |
| 76 | } |
| 77 | |
| 78 | /* |
| 79 | * Initialize the board |
| 80 | */ |
| 81 | void __init platform_setup(void) |
| 82 | { |
| 83 | init_smsc(); |
| 84 | /* XXX: RTC setting comes here */ |
| 85 | } |