diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/alpha/kernel/smc37c669.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/alpha/kernel/smc37c669.c | 2553 |
1 files changed, 0 insertions, 2553 deletions
diff --git a/ANDROID_3.4.5/arch/alpha/kernel/smc37c669.c b/ANDROID_3.4.5/arch/alpha/kernel/smc37c669.c deleted file mode 100644 index 0435921d..00000000 --- a/ANDROID_3.4.5/arch/alpha/kernel/smc37c669.c +++ /dev/null @@ -1,2553 +0,0 @@ -/* - * SMC 37C669 initialization code - */ -#include <linux/kernel.h> - -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/spinlock.h> - -#include <asm/hwrpb.h> -#include <asm/io.h> -#include <asm/segment.h> - -#if 0 -# define DBG_DEVS(args) printk args -#else -# define DBG_DEVS(args) -#endif - -#define KB 1024 -#define MB (1024*KB) -#define GB (1024*MB) - -#define SMC_DEBUG 0 - -/* File: smcc669_def.h - * - * Copyright (C) 1997 by - * Digital Equipment Corporation, Maynard, Massachusetts. - * All rights reserved. - * - * This software is furnished under a license and may be used and copied - * only in accordance of the terms of such license and with the - * inclusion of the above copyright notice. This software or any other - * copies thereof may not be provided or otherwise made available to any - * other person. No title to and ownership of the software is hereby - * transferred. - * - * The information in this software is subject to change without notice - * and should not be construed as a commitment by Digital Equipment - * Corporation. - * - * Digital assumes no responsibility for the use or reliability of its - * software on equipment which is not supplied by Digital. - * - * - * Abstract: - * - * This file contains header definitions for the SMC37c669 - * Super I/O controller. - * - * Author: - * - * Eric Rasmussen - * - * Modification History: - * - * er 28-Jan-1997 Initial Entry - */ - -#ifndef __SMC37c669_H -#define __SMC37c669_H - -/* -** Macros for handling device IRQs -** -** The mask acts as a flag used in mapping actual ISA IRQs (0 - 15) -** to device IRQs (A - H). -*/ -#define SMC37c669_DEVICE_IRQ_MASK 0x80000000 -#define SMC37c669_DEVICE_IRQ( __i ) \ - ((SMC37c669_DEVICE_IRQ_MASK) | (__i)) -#define SMC37c669_IS_DEVICE_IRQ(__i) \ - (((__i) & (SMC37c669_DEVICE_IRQ_MASK)) == (SMC37c669_DEVICE_IRQ_MASK)) -#define SMC37c669_RAW_DEVICE_IRQ(__i) \ - ((__i) & ~(SMC37c669_DEVICE_IRQ_MASK)) - -/* -** Macros for handling device DRQs -** -** The mask acts as a flag used in mapping actual ISA DMA -** channels to device DMA channels (A - C). -*/ -#define SMC37c669_DEVICE_DRQ_MASK 0x80000000 -#define SMC37c669_DEVICE_DRQ(__d) \ - ((SMC37c669_DEVICE_DRQ_MASK) | (__d)) -#define SMC37c669_IS_DEVICE_DRQ(__d) \ - (((__d) & (SMC37c669_DEVICE_DRQ_MASK)) == (SMC37c669_DEVICE_DRQ_MASK)) -#define SMC37c669_RAW_DEVICE_DRQ(__d) \ - ((__d) & ~(SMC37c669_DEVICE_DRQ_MASK)) - -#define SMC37c669_DEVICE_ID 0x3 - -/* -** SMC37c669 Device Function Definitions -*/ -#define SERIAL_0 0 -#define SERIAL_1 1 -#define PARALLEL_0 2 -#define FLOPPY_0 3 -#define IDE_0 4 -#define NUM_FUNCS 5 - -/* -** Default Device Function Mappings -*/ -#define COM1_BASE 0x3F8 -#define COM1_IRQ 4 -#define COM2_BASE 0x2F8 -#define COM2_IRQ 3 -#define PARP_BASE 0x3BC -#define PARP_IRQ 7 -#define PARP_DRQ 3 -#define FDC_BASE 0x3F0 -#define FDC_IRQ 6 -#define FDC_DRQ 2 - -/* -** Configuration On/Off Key Definitions -*/ -#define SMC37c669_CONFIG_ON_KEY 0x55 -#define SMC37c669_CONFIG_OFF_KEY 0xAA - -/* -** SMC 37c669 Device IRQs -*/ -#define SMC37c669_DEVICE_IRQ_A ( SMC37c669_DEVICE_IRQ( 0x01 ) ) -#define SMC37c669_DEVICE_IRQ_B ( SMC37c669_DEVICE_IRQ( 0x02 ) ) -#define SMC37c669_DEVICE_IRQ_C ( SMC37c669_DEVICE_IRQ( 0x03 ) ) -#define SMC37c669_DEVICE_IRQ_D ( SMC37c669_DEVICE_IRQ( 0x04 ) ) -#define SMC37c669_DEVICE_IRQ_E ( SMC37c669_DEVICE_IRQ( 0x05 ) ) -#define SMC37c669_DEVICE_IRQ_F ( SMC37c669_DEVICE_IRQ( 0x06 ) ) -/* SMC37c669_DEVICE_IRQ_G *** RESERVED ***/ -#define SMC37c669_DEVICE_IRQ_H ( SMC37c669_DEVICE_IRQ( 0x08 ) ) - -/* -** SMC 37c669 Device DMA Channel Definitions -*/ -#define SMC37c669_DEVICE_DRQ_A ( SMC37c669_DEVICE_DRQ( 0x01 ) ) -#define SMC37c669_DEVICE_DRQ_B ( SMC37c669_DEVICE_DRQ( 0x02 ) ) -#define SMC37c669_DEVICE_DRQ_C ( SMC37c669_DEVICE_DRQ( 0x03 ) ) - -/* -** Configuration Register Index Definitions -*/ -#define SMC37c669_CR00_INDEX 0x00 -#define SMC37c669_CR01_INDEX 0x01 -#define SMC37c669_CR02_INDEX 0x02 -#define SMC37c669_CR03_INDEX 0x03 -#define SMC37c669_CR04_INDEX 0x04 -#define SMC37c669_CR05_INDEX 0x05 -#define SMC37c669_CR06_INDEX 0x06 -#define SMC37c669_CR07_INDEX 0x07 -#define SMC37c669_CR08_INDEX 0x08 -#define SMC37c669_CR09_INDEX 0x09 -#define SMC37c669_CR0A_INDEX 0x0A -#define SMC37c669_CR0B_INDEX 0x0B -#define SMC37c669_CR0C_INDEX 0x0C -#define SMC37c669_CR0D_INDEX 0x0D -#define SMC37c669_CR0E_INDEX 0x0E -#define SMC37c669_CR0F_INDEX 0x0F -#define SMC37c669_CR10_INDEX 0x10 -#define SMC37c669_CR11_INDEX 0x11 -#define SMC37c669_CR12_INDEX 0x12 -#define SMC37c669_CR13_INDEX 0x13 -#define SMC37c669_CR14_INDEX 0x14 -#define SMC37c669_CR15_INDEX 0x15 -#define SMC37c669_CR16_INDEX 0x16 -#define SMC37c669_CR17_INDEX 0x17 -#define SMC37c669_CR18_INDEX 0x18 -#define SMC37c669_CR19_INDEX 0x19 -#define SMC37c669_CR1A_INDEX 0x1A -#define SMC37c669_CR1B_INDEX 0x1B -#define SMC37c669_CR1C_INDEX 0x1C -#define SMC37c669_CR1D_INDEX 0x1D -#define SMC37c669_CR1E_INDEX 0x1E -#define SMC37c669_CR1F_INDEX 0x1F -#define SMC37c669_CR20_INDEX 0x20 -#define SMC37c669_CR21_INDEX 0x21 -#define SMC37c669_CR22_INDEX 0x22 -#define SMC37c669_CR23_INDEX 0x23 -#define SMC37c669_CR24_INDEX 0x24 -#define SMC37c669_CR25_INDEX 0x25 -#define SMC37c669_CR26_INDEX 0x26 -#define SMC37c669_CR27_INDEX 0x27 -#define SMC37c669_CR28_INDEX 0x28 -#define SMC37c669_CR29_INDEX 0x29 - -/* -** Configuration Register Alias Definitions -*/ -#define SMC37c669_DEVICE_ID_INDEX SMC37c669_CR0D_INDEX -#define SMC37c669_DEVICE_REVISION_INDEX SMC37c669_CR0E_INDEX -#define SMC37c669_FDC_BASE_ADDRESS_INDEX SMC37c669_CR20_INDEX -#define SMC37c669_IDE_BASE_ADDRESS_INDEX SMC37c669_CR21_INDEX -#define SMC37c669_IDE_ALTERNATE_ADDRESS_INDEX SMC37c669_CR22_INDEX -#define SMC37c669_PARALLEL0_BASE_ADDRESS_INDEX SMC37c669_CR23_INDEX -#define SMC37c669_SERIAL0_BASE_ADDRESS_INDEX SMC37c669_CR24_INDEX -#define SMC37c669_SERIAL1_BASE_ADDRESS_INDEX SMC37c669_CR25_INDEX -#define SMC37c669_PARALLEL_FDC_DRQ_INDEX SMC37c669_CR26_INDEX -#define SMC37c669_PARALLEL_FDC_IRQ_INDEX SMC37c669_CR27_INDEX -#define SMC37c669_SERIAL_IRQ_INDEX SMC37c669_CR28_INDEX - -/* -** Configuration Register Definitions -** -** The INDEX (write only) and DATA (read/write) ports are effective -** only when the chip is in the Configuration State. -*/ -typedef struct _SMC37c669_CONFIG_REGS { - unsigned char index_port; - unsigned char data_port; -} SMC37c669_CONFIG_REGS; - -/* -** CR00 - default value 0x28 -** -** IDE_EN (CR00<1:0>): -** 0x - 30ua pull-ups on nIDEEN, nHDCS0, NHDCS1 -** 11 - IRQ_H available as IRQ output, -** IRRX2, IRTX2 available as alternate IR pins -** 10 - nIDEEN, nHDCS0, nHDCS1 used to control IDE -** -** VALID (CR00<7>): -** A high level on this software controlled bit can -** be used to indicate that a valid configuration -** cycle has occurred. The control software must -** take care to set this bit at the appropriate times. -** Set to zero after power up. This bit has no -** effect on any other hardware in the chip. -** -*/ -typedef union _SMC37c669_CR00 { - unsigned char as_uchar; - struct { - unsigned ide_en : 2; /* See note above */ - unsigned reserved1 : 1; /* RAZ */ - unsigned fdc_pwr : 1; /* 1 = supply power to FDC */ - unsigned reserved2 : 3; /* Read as 010b */ - unsigned valid : 1; /* See note above */ - } by_field; -} SMC37c669_CR00; - -/* -** CR01 - default value 0x9C -*/ -typedef union _SMC37c669_CR01 { - unsigned char as_uchar; - struct { - unsigned reserved1 : 2; /* RAZ */ - unsigned ppt_pwr : 1; /* 1 = supply power to PPT */ - unsigned ppt_mode : 1; /* 1 = Printer mode, 0 = EPP */ - unsigned reserved2 : 1; /* Read as 1 */ - unsigned reserved3 : 2; /* RAZ */ - unsigned lock_crx: 1; /* Lock CR00 - CR18 */ - } by_field; -} SMC37c669_CR01; - -/* -** CR02 - default value 0x88 -*/ -typedef union _SMC37c669_CR02 { - unsigned char as_uchar; - struct { - unsigned reserved1 : 3; /* RAZ */ - unsigned uart1_pwr : 1; /* 1 = supply power to UART1 */ - unsigned reserved2 : 3; /* RAZ */ - unsigned uart2_pwr : 1; /* 1 = supply power to UART2 */ - } by_field; -} SMC37c669_CR02; - -/* -** CR03 - default value 0x78 -** -** CR03<7> CR03<2> Pin 94 -** ------- ------- ------ -** 0 X DRV2 (input) -** 1 0 ADRX -** 1 1 IRQ_B -** -** CR03<6> CR03<5> Op Mode -** ------- ------- ------- -** 0 0 Model 30 -** 0 1 PS/2 -** 1 0 Reserved -** 1 1 AT Mode -*/ -typedef union _SMC37c669_CR03 { - unsigned char as_uchar; - struct { - unsigned pwrgd_gamecs : 1; /* 1 = PWRGD, 0 = GAMECS */ - unsigned fdc_mode2 : 1; /* 1 = Enhanced Mode 2 */ - unsigned pin94_0 : 1; /* See note above */ - unsigned reserved1 : 1; /* RAZ */ - unsigned drvden : 1; /* 1 = high, 0 - output */ - unsigned op_mode : 2; /* See note above */ - unsigned pin94_1 : 1; /* See note above */ - } by_field; -} SMC37c669_CR03; - -/* -** CR04 - default value 0x00 -** -** PP_EXT_MODE: -** If CR01<PP_MODE> = 0 and PP_EXT_MODE = -** 00 - Standard and Bidirectional -** 01 - EPP mode and SPP -** 10 - ECP mode -** In this mode, 2 drives can be supported -** directly, 3 or 4 drives must use external -** 4 drive support. SPP can be selected -** through the ECR register of ECP as mode 000. -** 11 - ECP mode and EPP mode -** In this mode, 2 drives can be supported -** directly, 3 or 4 drives must use external -** 4 drive support. SPP can be selected -** through the ECR register of ECP as mode 000. -** In this mode, EPP can be selected through -** the ECR register of ECP as mode 100. -** -** PP_FDC: -** 00 - Normal -** 01 - PPFD1 -** 10 - PPFD2 -** 11 - Reserved -** -** MIDI1: -** Serial Clock Select: -** A low level on this bit disables MIDI support, -** clock = divide by 13. A high level on this -** bit enables MIDI support, clock = divide by 12. -** -** MIDI operates at 31.25 Kbps which can be derived -** from 125 KHz (24 MHz / 12 = 2 MHz, 2 MHz / 16 = 125 KHz) -** -** ALT_IO: -** 0 - Use pins IRRX, IRTX -** 1 - Use pins IRRX2, IRTX2 -** -** If this bit is set, the IR receive and transmit -** functions will not be available on pins 25 and 26 -** unless CR00<IDE_EN> = 11. -*/ -typedef union _SMC37c669_CR04 { - unsigned char as_uchar; - struct { - unsigned ppt_ext_mode : 2; /* See note above */ - unsigned ppt_fdc : 2; /* See note above */ - unsigned midi1 : 1; /* See note above */ - unsigned midi2 : 1; /* See note above */ - unsigned epp_type : 1; /* 0 = EPP 1.9, 1 = EPP 1.7 */ - unsigned alt_io : 1; /* See note above */ - } by_field; -} SMC37c669_CR04; - -/* -** CR05 - default value 0x00 -** -** DEN_SEL: -** 00 - Densel output normal -** 01 - Reserved -** 10 - Densel output 1 -** 11 - Densel output 0 -** -*/ -typedef union _SMC37c669_CR05 { - unsigned char as_uchar; - struct { - unsigned reserved1 : 2; /* RAZ */ - unsigned fdc_dma_mode : 1; /* 0 = burst, 1 = non-burst */ - unsigned den_sel : 2; /* See note above */ - unsigned swap_drv : 1; /* Swap the FDC motor selects */ - unsigned extx4 : 1; /* 0 = 2 drive, 1 = external 4 drive decode */ - unsigned reserved2 : 1; /* RAZ */ - } by_field; -} SMC37c669_CR05; - -/* -** CR06 - default value 0xFF -*/ -typedef union _SMC37c669_CR06 { - unsigned char as_uchar; - struct { - unsigned floppy_a : 2; /* Type of floppy drive A */ - unsigned floppy_b : 2; /* Type of floppy drive B */ - unsigned floppy_c : 2; /* Type of floppy drive C */ - unsigned floppy_d : 2; /* Type of floppy drive D */ - } by_field; -} SMC37c669_CR06; - -/* -** CR07 - default value 0x00 -** -** Auto Power Management CR07<7:4>: -** 0 - Auto Powerdown disabled (default) -** 1 - Auto Powerdown enabled -** -** This bit is reset to the default state by POR or -** a hardware reset. -** -*/ -typedef union _SMC37c669_CR07 { - unsigned char as_uchar; - struct { - unsigned floppy_boot : 2; /* 0 = A:, 1 = B: */ - unsigned reserved1 : 2; /* RAZ */ - unsigned ppt_en : 1; /* See note above */ - unsigned uart1_en : 1; /* See note above */ - unsigned uart2_en : 1; /* See note above */ - unsigned fdc_en : 1; /* See note above */ - } by_field; -} SMC37c669_CR07; - -/* -** CR08 - default value 0x00 -*/ -typedef union _SMC37c669_CR08 { - unsigned char as_uchar; - struct { - unsigned zero : 4; /* 0 */ - unsigned addrx7_4 : 4; /* ADR<7:3> for ADRx decode */ - } by_field; -} SMC37c669_CR08; - -/* -** CR09 - default value 0x00 -** -** ADRx_CONFIG: -** 00 - ADRx disabled -** 01 - 1 byte decode A<3:0> = 0000b -** 10 - 8 byte block decode A<3:0> = 0XXXb -** 11 - 16 byte block decode A<3:0> = XXXXb -** -*/ -typedef union _SMC37c669_CR09 { - unsigned char as_uchar; - struct { - unsigned adra8 : 3; /* ADR<10:8> for ADRx decode */ - unsigned reserved1 : 3; - unsigned adrx_config : 2; /* See note above */ - } by_field; -} SMC37c669_CR09; - -/* -** CR0A - default value 0x00 -*/ -typedef union _SMC37c669_CR0A { - unsigned char as_uchar; - struct { - unsigned ecp_fifo_threshold : 4; - unsigned reserved1 : 4; - } by_field; -} SMC37c669_CR0A; - -/* -** CR0B - default value 0x00 -*/ -typedef union _SMC37c669_CR0B { - unsigned char as_uchar; - struct { - unsigned fdd0_drtx : 2; /* FDD0 Data Rate Table */ - unsigned fdd1_drtx : 2; /* FDD1 Data Rate Table */ - unsigned fdd2_drtx : 2; /* FDD2 Data Rate Table */ - unsigned fdd3_drtx : 2; /* FDD3 Data Rate Table */ - } by_field; -} SMC37c669_CR0B; - -/* -** CR0C - default value 0x00 -** -** UART2_MODE: -** 000 - Standard (default) -** 001 - IrDA (HPSIR) -** 010 - Amplitude Shift Keyed IR @500 KHz -** 011 - Reserved -** 1xx - Reserved -** -*/ -typedef union _SMC37c669_CR0C { - unsigned char as_uchar; - struct { - unsigned uart2_rcv_polarity : 1; /* 1 = invert RX */ - unsigned uart2_xmit_polarity : 1; /* 1 = invert TX */ - unsigned uart2_duplex : 1; /* 1 = full, 0 = half */ - unsigned uart2_mode : 3; /* See note above */ - unsigned uart1_speed : 1; /* 1 = high speed enabled */ - unsigned uart2_speed : 1; /* 1 = high speed enabled */ - } by_field; -} SMC37c669_CR0C; - -/* -** CR0D - default value 0x03 -** -** Device ID Register - read only -*/ -typedef union _SMC37c669_CR0D { - unsigned char as_uchar; - struct { - unsigned device_id : 8; /* Returns 0x3 in this field */ - } by_field; -} SMC37c669_CR0D; - -/* -** CR0E - default value 0x02 -** -** Device Revision Register - read only -*/ -typedef union _SMC37c669_CR0E { - unsigned char as_uchar; - struct { - unsigned device_rev : 8; /* Returns 0x2 in this field */ - } by_field; -} SMC37c669_CR0E; - -/* -** CR0F - default value 0x00 -*/ -typedef union _SMC37c669_CR0F { - unsigned char as_uchar; - struct { - unsigned test0 : 1; /* Reserved - set to 0 */ - unsigned test1 : 1; /* Reserved - set to 0 */ - unsigned test2 : 1; /* Reserved - set to 0 */ - unsigned test3 : 1; /* Reserved - set t0 0 */ - unsigned test4 : 1; /* Reserved - set to 0 */ - unsigned test5 : 1; /* Reserved - set t0 0 */ - unsigned test6 : 1; /* Reserved - set t0 0 */ - unsigned test7 : 1; /* Reserved - set to 0 */ - } by_field; -} SMC37c669_CR0F; - -/* -** CR10 - default value 0x00 -*/ -typedef union _SMC37c669_CR10 { - unsigned char as_uchar; - struct { - unsigned reserved1 : 3; /* RAZ */ - unsigned pll_gain : 1; /* 1 = 3V, 2 = 5V operation */ - unsigned pll_stop : 1; /* 1 = stop PLLs */ - unsigned ace_stop : 1; /* 1 = stop UART clocks */ - unsigned pll_clock_ctrl : 1; /* 0 = 14.318 MHz, 1 = 24 MHz */ - unsigned ir_test : 1; /* Enable IR test mode */ - } by_field; -} SMC37c669_CR10; - -/* -** CR11 - default value 0x00 -*/ -typedef union _SMC37c669_CR11 { - unsigned char as_uchar; - struct { - unsigned ir_loopback : 1; /* Internal IR loop back */ - unsigned test_10ms : 1; /* Test 10ms autopowerdown FDC timeout */ - unsigned reserved1 : 6; /* RAZ */ - } by_field; -} SMC37c669_CR11; - -/* -** CR12 - CR1D are reserved registers -*/ - -/* -** CR1E - default value 0x80 -** -** GAMECS: -** 00 - GAMECS disabled -** 01 - 1 byte decode ADR<3:0> = 0001b -** 10 - 8 byte block decode ADR<3:0> = 0XXXb -** 11 - 16 byte block decode ADR<3:0> = XXXXb -** -*/ -typedef union _SMC37c66_CR1E { - unsigned char as_uchar; - struct { - unsigned gamecs_config: 2; /* See note above */ - unsigned gamecs_addr9_4 : 6; /* GAMECS Addr<9:4> */ - } by_field; -} SMC37c669_CR1E; - -/* -** CR1F - default value 0x00 -** -** DT0 DT1 DRVDEN0 DRVDEN1 Drive Type -** --- --- ------- ------- ---------- -** 0 0 DENSEL DRATE0 4/2/1 MB 3.5" -** 2/1 MB 5.25" -** 2/1.6/1 MB 3.5" (3-mode) -** 0 1 DRATE1 DRATE0 -** 1 0 nDENSEL DRATE0 PS/2 -** 1 1 DRATE0 DRATE1 -** -** Note: DENSEL, DRATE1, and DRATE0 map onto two output -** pins - DRVDEN0 and DRVDEN1. -** -*/ -typedef union _SMC37c669_CR1F { - unsigned char as_uchar; - struct { - unsigned fdd0_drive_type : 2; /* FDD0 drive type */ - unsigned fdd1_drive_type : 2; /* FDD1 drive type */ - unsigned fdd2_drive_type : 2; /* FDD2 drive type */ - unsigned fdd3_drive_type : 2; /* FDD3 drive type */ - } by_field; -} SMC37c669_CR1F; - -/* -** CR20 - default value 0x3C -** -** FDC Base Address Register -** - To disable this decode set Addr<9:8> = 0 -** - A<10> = 0, A<3:0> = 0XXXb to access. -** -*/ -typedef union _SMC37c669_CR20 { - unsigned char as_uchar; - struct { - unsigned zero : 2; /* 0 */ - unsigned addr9_4 : 6; /* FDC Addr<9:4> */ - } by_field; -} SMC37c669_CR20; - -/* -** CR21 - default value 0x3C -** -** IDE Base Address Register -** - To disable this decode set Addr<9:8> = 0 -** - A<10> = 0, A<3:0> = 0XXXb to access. -** -*/ -typedef union _SMC37c669_CR21 { - unsigned char as_uchar; - struct { - unsigned zero : 2; /* 0 */ - unsigned addr9_4 : 6; /* IDE Addr<9:4> */ - } by_field; -} SMC37c669_CR21; - -/* -** CR22 - default value 0x3D -** -** IDE Alternate Status Base Address Register -** - To disable this decode set Addr<9:8> = 0 -** - A<10> = 0, A<3:0> = 0110b to access. -** -*/ -typedef union _SMC37c669_CR22 { - unsigned char as_uchar; - struct { - unsigned zero : 2; /* 0 */ - unsigned addr9_4 : 6; /* IDE Alt Status Addr<9:4> */ - } by_field; -} SMC37c669_CR22; - -/* -** CR23 - default value 0x00 -** -** Parallel Port Base Address Register -** - To disable this decode set Addr<9:8> = 0 -** - A<10> = 0 to access. -** - If EPP is enabled, A<2:0> = XXXb to access. -** If EPP is NOT enabled, A<1:0> = XXb to access -** -*/ -typedef union _SMC37c669_CR23 { - unsigned char as_uchar; - struct { - unsigned addr9_2 : 8; /* Parallel Port Addr<9:2> */ - } by_field; -} SMC37c669_CR23; - -/* -** CR24 - default value 0x00 -** -** UART1 Base Address Register -** - To disable this decode set Addr<9:8> = 0 -** - A<10> = 0, A<2:0> = XXXb to access. -** -*/ -typedef union _SMC37c669_CR24 { - unsigned char as_uchar; - struct { - unsigned zero : 1; /* 0 */ - unsigned addr9_3 : 7; /* UART1 Addr<9:3> */ - } by_field; -} SMC37c669_CR24; - -/* -** CR25 - default value 0x00 -** -** UART2 Base Address Register -** - To disable this decode set Addr<9:8> = 0 -** - A<10> = 0, A<2:0> = XXXb to access. -** -*/ -typedef union _SMC37c669_CR25 { - unsigned char as_uchar; - struct { - unsigned zero : 1; /* 0 */ - unsigned addr9_3 : 7; /* UART2 Addr<9:3> */ - } by_field; -} SMC37c669_CR25; - -/* -** CR26 - default value 0x00 -** -** Parallel Port / FDC DMA Select Register -** -** D3 - D0 DMA -** D7 - D4 Selected -** ------- -------- -** 0000 None -** 0001 DMA_A -** 0010 DMA_B -** 0011 DMA_C -** -*/ -typedef union _SMC37c669_CR26 { - unsigned char as_uchar; - struct { - unsigned ppt_drq : 4; /* See note above */ - unsigned fdc_drq : 4; /* See note above */ - } by_field; -} SMC37c669_CR26; - -/* -** CR27 - default value 0x00 -** -** Parallel Port / FDC IRQ Select Register -** -** D3 - D0 IRQ -** D7 - D4 Selected -** ------- -------- -** 0000 None -** 0001 IRQ_A -** 0010 IRQ_B -** 0011 IRQ_C -** 0100 IRQ_D -** 0101 IRQ_E -** 0110 IRQ_F -** 0111 Reserved -** 1000 IRQ_H -** -** Any unselected IRQ REQ is in tristate -** -*/ -typedef union _SMC37c669_CR27 { - unsigned char as_uchar; - struct { - unsigned ppt_irq : 4; /* See note above */ - unsigned fdc_irq : 4; /* See note above */ - } by_field; -} SMC37c669_CR27; - -/* -** CR28 - default value 0x00 -** -** UART IRQ Select Register -** -** D3 - D0 IRQ -** D7 - D4 Selected -** ------- -------- -** 0000 None -** 0001 IRQ_A -** 0010 IRQ_B -** 0011 IRQ_C -** 0100 IRQ_D -** 0101 IRQ_E -** 0110 IRQ_F -** 0111 Reserved -** 1000 IRQ_H -** 1111 share with UART1 (only for UART2) -** -** Any unselected IRQ REQ is in tristate -** -** To share an IRQ between UART1 and UART2, set -** UART1 to use the desired IRQ and set UART2 to -** 0xF to enable sharing mechanism. -** -*/ -typedef union _SMC37c669_CR28 { - unsigned char as_uchar; - struct { - unsigned uart2_irq : 4; /* See note above */ - unsigned uart1_irq : 4; /* See note above */ - } by_field; -} SMC37c669_CR28; - -/* -** CR29 - default value 0x00 -** -** IRQIN IRQ Select Register -** -** D3 - D0 IRQ -** D7 - D4 Selected -** ------- -------- -** 0000 None -** 0001 IRQ_A -** 0010 IRQ_B -** 0011 IRQ_C -** 0100 IRQ_D -** 0101 IRQ_E -** 0110 IRQ_F -** 0111 Reserved -** 1000 IRQ_H -** -** Any unselected IRQ REQ is in tristate -** -*/ -typedef union _SMC37c669_CR29 { - unsigned char as_uchar; - struct { - unsigned irqin_irq : 4; /* See note above */ - unsigned reserved1 : 4; /* RAZ */ - } by_field; -} SMC37c669_CR29; - -/* -** Aliases of Configuration Register formats (should match -** the set of index aliases). -** -** Note that CR24 and CR25 have the same format and are the -** base address registers for UART1 and UART2. Because of -** this we only define 1 alias here - for CR24 - as the serial -** base address register. -** -** Note that CR21 and CR22 have the same format and are the -** base address and alternate status address registers for -** the IDE controller. Because of this we only define 1 alias -** here - for CR21 - as the IDE address register. -** -*/ -typedef SMC37c669_CR0D SMC37c669_DEVICE_ID_REGISTER; -typedef SMC37c669_CR0E SMC37c669_DEVICE_REVISION_REGISTER; -typedef SMC37c669_CR20 SMC37c669_FDC_BASE_ADDRESS_REGISTER; -typedef SMC37c669_CR21 SMC37c669_IDE_ADDRESS_REGISTER; -typedef SMC37c669_CR23 SMC37c669_PARALLEL_BASE_ADDRESS_REGISTER; -typedef SMC37c669_CR24 SMC37c669_SERIAL_BASE_ADDRESS_REGISTER; -typedef SMC37c669_CR26 SMC37c669_PARALLEL_FDC_DRQ_REGISTER; -typedef SMC37c669_CR27 SMC37c669_PARALLEL_FDC_IRQ_REGISTER; -typedef SMC37c669_CR28 SMC37c669_SERIAL_IRQ_REGISTER; - -/* -** ISA/Device IRQ Translation Table Entry Definition -*/ -typedef struct _SMC37c669_IRQ_TRANSLATION_ENTRY { - int device_irq; - int isa_irq; -} SMC37c669_IRQ_TRANSLATION_ENTRY; - -/* -** ISA/Device DMA Translation Table Entry Definition -*/ -typedef struct _SMC37c669_DRQ_TRANSLATION_ENTRY { - int device_drq; - int isa_drq; -} SMC37c669_DRQ_TRANSLATION_ENTRY; - -/* -** External Interface Function Prototype Declarations -*/ - -SMC37c669_CONFIG_REGS *SMC37c669_detect( - int -); - -unsigned int SMC37c669_enable_device( - unsigned int func -); - -unsigned int SMC37c669_disable_device( - unsigned int func -); - -unsigned int SMC37c669_configure_device( - unsigned int func, - int port, - int irq, - int drq -); - -void SMC37c669_display_device_info( - void -); - -#endif /* __SMC37c669_H */ - -/* file: smcc669.c - * - * Copyright (C) 1997 by - * Digital Equipment Corporation, Maynard, Massachusetts. - * All rights reserved. - * - * This software is furnished under a license and may be used and copied - * only in accordance of the terms of such license and with the - * inclusion of the above copyright notice. This software or any other - * copies thereof may not be provided or otherwise made available to any - * other person. No title to and ownership of the software is hereby - * transferred. - * - * The information in this software is subject to change without notice - * and should not be construed as a commitment by digital equipment - * corporation. - * - * Digital assumes no responsibility for the use or reliability of its - * software on equipment which is not supplied by digital. - */ - -/* - *++ - * FACILITY: - * - * Alpha SRM Console Firmware - * - * MODULE DESCRIPTION: - * - * SMC37c669 Super I/O controller configuration routines. - * - * AUTHORS: - * - * Eric Rasmussen - * - * CREATION DATE: - * - * 28-Jan-1997 - * - * MODIFICATION HISTORY: - * - * er 01-May-1997 Fixed pointer conversion errors in - * SMC37c669_get_device_config(). - * er 28-Jan-1997 Initial version. - * - *-- - */ -#if 0 -/* $INCLUDE_OPTIONS$ */ -#include "cp$inc:platform_io.h" -/* $INCLUDE_OPTIONS_END$ */ -#include "cp$src:common.h" -#include "cp$inc:prototypes.h" -#include "cp$src:kernel_def.h" -#include "cp$src:msg_def.h" -#include "cp$src:smcc669_def.h" -/* Platform-specific includes */ -#include "cp$src:platform.h" -#endif - -#ifndef TRUE -#define TRUE 1 -#endif -#ifndef FALSE -#define FALSE 0 -#endif - -#define wb( _x_, _y_ ) outb( _y_, (unsigned int)((unsigned long)_x_) ) -#define rb( _x_ ) inb( (unsigned int)((unsigned long)_x_) ) - -/* -** Local storage for device configuration information. -** -** Since the SMC37c669 does not provide an explicit -** mechanism for enabling/disabling individual device -** functions, other than unmapping the device, local -** storage for device configuration information is -** allocated here for use in implementing our own -** function enable/disable scheme. -*/ -static struct DEVICE_CONFIG { - unsigned int port1; - unsigned int port2; - int irq; - int drq; -} local_config [NUM_FUNCS]; - -/* -** List of all possible addresses for the Super I/O chip -*/ -static unsigned long SMC37c669_Addresses[] __initdata = - { - 0x3F0UL, /* Primary address */ - 0x370UL, /* Secondary address */ - 0UL /* End of list */ - }; - -/* -** Global Pointer to the Super I/O device -*/ -static SMC37c669_CONFIG_REGS *SMC37c669 __initdata = NULL; - -/* -** IRQ Translation Table -** -** The IRQ translation table is a list of SMC37c669 device -** and standard ISA IRQs. -** -*/ -static SMC37c669_IRQ_TRANSLATION_ENTRY *SMC37c669_irq_table __initdata; - -/* -** The following definition is for the default IRQ -** translation table. -*/ -static SMC37c669_IRQ_TRANSLATION_ENTRY SMC37c669_default_irq_table[] -__initdata = - { - { SMC37c669_DEVICE_IRQ_A, -1 }, - { SMC37c669_DEVICE_IRQ_B, -1 }, - { SMC37c669_DEVICE_IRQ_C, 7 }, - { SMC37c669_DEVICE_IRQ_D, 6 }, - { SMC37c669_DEVICE_IRQ_E, 4 }, - { SMC37c669_DEVICE_IRQ_F, 3 }, - { SMC37c669_DEVICE_IRQ_H, -1 }, - { -1, -1 } /* End of table */ - }; - -/* -** The following definition is for the MONET (XP1000) IRQ -** translation table. -*/ -static SMC37c669_IRQ_TRANSLATION_ENTRY SMC37c669_monet_irq_table[] -__initdata = - { - { SMC37c669_DEVICE_IRQ_A, -1 }, - { SMC37c669_DEVICE_IRQ_B, -1 }, - { SMC37c669_DEVICE_IRQ_C, 6 }, - { SMC37c669_DEVICE_IRQ_D, 7 }, - { SMC37c669_DEVICE_IRQ_E, 4 }, - { SMC37c669_DEVICE_IRQ_F, 3 }, - { SMC37c669_DEVICE_IRQ_H, -1 }, - { -1, -1 } /* End of table */ - }; - -static SMC37c669_IRQ_TRANSLATION_ENTRY *SMC37c669_irq_tables[] __initdata = - { - SMC37c669_default_irq_table, - SMC37c669_monet_irq_table - }; - -/* -** DRQ Translation Table -** -** The DRQ translation table is a list of SMC37c669 device and -** ISA DMA channels. -** -*/ -static SMC37c669_DRQ_TRANSLATION_ENTRY *SMC37c669_drq_table __initdata; - -/* -** The following definition is the default DRQ -** translation table. -*/ -static SMC37c669_DRQ_TRANSLATION_ENTRY SMC37c669_default_drq_table[] -__initdata = - { - { SMC37c669_DEVICE_DRQ_A, 2 }, - { SMC37c669_DEVICE_DRQ_B, 3 }, - { SMC37c669_DEVICE_DRQ_C, -1 }, - { -1, -1 } /* End of table */ - }; - -/* -** Local Function Prototype Declarations -*/ - -static unsigned int SMC37c669_is_device_enabled( - unsigned int func -); - -#if 0 -static unsigned int SMC37c669_get_device_config( - unsigned int func, - int *port, - int *irq, - int *drq -); -#endif - -static void SMC37c669_config_mode( - unsigned int enable -); - -static unsigned char SMC37c669_read_config( - unsigned char index -); - -static void SMC37c669_write_config( - unsigned char index, - unsigned char data -); - -static void SMC37c669_init_local_config( void ); - -static struct DEVICE_CONFIG *SMC37c669_get_config( - unsigned int func -); - -static int SMC37c669_xlate_irq( - int irq -); - -static int SMC37c669_xlate_drq( - int drq -); - -static __cacheline_aligned DEFINE_SPINLOCK(smc_lock); - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function detects the presence of an SMC37c669 Super I/O -** controller. -** -** FORMAL PARAMETERS: -** -** None -** -** RETURN VALUE: -** -** Returns a pointer to the device if found, otherwise, -** the NULL pointer is returned. -** -** SIDE EFFECTS: -** -** None -** -**-- -*/ -SMC37c669_CONFIG_REGS * __init SMC37c669_detect( int index ) -{ - int i; - SMC37c669_DEVICE_ID_REGISTER id; - - for ( i = 0; SMC37c669_Addresses[i] != 0; i++ ) { -/* -** Initialize the device pointer even though we don't yet know if -** the controller is at this address. The support functions access -** the controller through this device pointer so we need to set it -** even when we are looking ... -*/ - SMC37c669 = ( SMC37c669_CONFIG_REGS * )SMC37c669_Addresses[i]; -/* -** Enter configuration mode -*/ - SMC37c669_config_mode( TRUE ); -/* -** Read the device id -*/ - id.as_uchar = SMC37c669_read_config( SMC37c669_DEVICE_ID_INDEX ); -/* -** Exit configuration mode -*/ - SMC37c669_config_mode( FALSE ); -/* -** Does the device id match? If so, assume we have found an -** SMC37c669 controller at this address. -*/ - if ( id.by_field.device_id == SMC37c669_DEVICE_ID ) { -/* -** Initialize the IRQ and DRQ translation tables. -*/ - SMC37c669_irq_table = SMC37c669_irq_tables[ index ]; - SMC37c669_drq_table = SMC37c669_default_drq_table; -/* -** erfix -** -** If the platform can't use the IRQ and DRQ defaults set up in this -** file, it should call a platform-specific external routine at this -** point to reset the IRQ and DRQ translation table pointers to point -** at the appropriate tables for the platform. If the defaults are -** acceptable, then the external routine should do nothing. -*/ - -/* -** Put the chip back into configuration mode -*/ - SMC37c669_config_mode( TRUE ); -/* -** Initialize local storage for configuration information -*/ - SMC37c669_init_local_config( ); -/* -** Exit configuration mode -*/ - SMC37c669_config_mode( FALSE ); -/* -** SMC37c669 controller found, break out of search loop -*/ - break; - } - else { -/* -** Otherwise, we did not find an SMC37c669 controller at this -** address so set the device pointer to NULL. -*/ - SMC37c669 = NULL; - } - } - return SMC37c669; -} - - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function enables an SMC37c669 device function. -** -** FORMAL PARAMETERS: -** -** func: -** Which device function to enable -** -** RETURN VALUE: -** -** Returns TRUE is the device function was enabled, otherwise, FALSE -** -** SIDE EFFECTS: -** -** {@description or none@} -** -** DESIGN: -** -** Enabling a device function in the SMC37c669 controller involves -** setting all of its mappings (port, irq, drq ...). A local -** "shadow" copy of the device configuration is kept so we can -** just set each mapping to what the local copy says. -** -** This function ALWAYS updates the local shadow configuration of -** the device function being enabled, even if the device is always -** enabled. To avoid replication of code, functions such as -** configure_device set up the local copy and then call this -** function to the update the real device. -** -**-- -*/ -unsigned int __init SMC37c669_enable_device ( unsigned int func ) -{ - unsigned int ret_val = FALSE; -/* -** Put the device into configuration mode -*/ - SMC37c669_config_mode( TRUE ); - switch ( func ) { - case SERIAL_0: - { - SMC37c669_SERIAL_BASE_ADDRESS_REGISTER base_addr; - SMC37c669_SERIAL_IRQ_REGISTER irq; -/* -** Enable the serial 1 IRQ mapping -*/ - irq.as_uchar = - SMC37c669_read_config( SMC37c669_SERIAL_IRQ_INDEX ); - - irq.by_field.uart1_irq = - SMC37c669_RAW_DEVICE_IRQ( - SMC37c669_xlate_irq( local_config[ func ].irq ) - ); - - SMC37c669_write_config( SMC37c669_SERIAL_IRQ_INDEX, irq.as_uchar ); -/* -** Enable the serial 1 port base address mapping -*/ - base_addr.as_uchar = 0; - base_addr.by_field.addr9_3 = local_config[ func ].port1 >> 3; - - SMC37c669_write_config( - SMC37c669_SERIAL0_BASE_ADDRESS_INDEX, - base_addr.as_uchar - ); - ret_val = TRUE; - break; - } - case SERIAL_1: - { - SMC37c669_SERIAL_BASE_ADDRESS_REGISTER base_addr; - SMC37c669_SERIAL_IRQ_REGISTER irq; -/* -** Enable the serial 2 IRQ mapping -*/ - irq.as_uchar = - SMC37c669_read_config( SMC37c669_SERIAL_IRQ_INDEX ); - - irq.by_field.uart2_irq = - SMC37c669_RAW_DEVICE_IRQ( - SMC37c669_xlate_irq( local_config[ func ].irq ) - ); - - SMC37c669_write_config( SMC37c669_SERIAL_IRQ_INDEX, irq.as_uchar ); -/* -** Enable the serial 2 port base address mapping -*/ - base_addr.as_uchar = 0; - base_addr.by_field.addr9_3 = local_config[ func ].port1 >> 3; - - SMC37c669_write_config( - SMC37c669_SERIAL1_BASE_ADDRESS_INDEX, - base_addr.as_uchar - ); - ret_val = TRUE; - break; - } - case PARALLEL_0: - { - SMC37c669_PARALLEL_BASE_ADDRESS_REGISTER base_addr; - SMC37c669_PARALLEL_FDC_IRQ_REGISTER irq; - SMC37c669_PARALLEL_FDC_DRQ_REGISTER drq; -/* -** Enable the parallel port DMA channel mapping -*/ - drq.as_uchar = - SMC37c669_read_config( SMC37c669_PARALLEL_FDC_DRQ_INDEX ); - - drq.by_field.ppt_drq = - SMC37c669_RAW_DEVICE_DRQ( - SMC37c669_xlate_drq( local_config[ func ].drq ) - ); - - SMC37c669_write_config( - SMC37c669_PARALLEL_FDC_DRQ_INDEX, - drq.as_uchar - ); -/* -** Enable the parallel port IRQ mapping -*/ - irq.as_uchar = - SMC37c669_read_config( SMC37c669_PARALLEL_FDC_IRQ_INDEX ); - - irq.by_field.ppt_irq = - SMC37c669_RAW_DEVICE_IRQ( - SMC37c669_xlate_irq( local_config[ func ].irq ) - ); - - SMC37c669_write_config( - SMC37c669_PARALLEL_FDC_IRQ_INDEX, - irq.as_uchar - ); -/* -** Enable the parallel port base address mapping -*/ - base_addr.as_uchar = 0; - base_addr.by_field.addr9_2 = local_config[ func ].port1 >> 2; - - SMC37c669_write_config( - SMC37c669_PARALLEL0_BASE_ADDRESS_INDEX, - base_addr.as_uchar - ); - ret_val = TRUE; - break; - } - case FLOPPY_0: - { - SMC37c669_FDC_BASE_ADDRESS_REGISTER base_addr; - SMC37c669_PARALLEL_FDC_IRQ_REGISTER irq; - SMC37c669_PARALLEL_FDC_DRQ_REGISTER drq; -/* -** Enable the floppy controller DMA channel mapping -*/ - drq.as_uchar = - SMC37c669_read_config( SMC37c669_PARALLEL_FDC_DRQ_INDEX ); - - drq.by_field.fdc_drq = - SMC37c669_RAW_DEVICE_DRQ( - SMC37c669_xlate_drq( local_config[ func ].drq ) - ); - - SMC37c669_write_config( - SMC37c669_PARALLEL_FDC_DRQ_INDEX, - drq.as_uchar - ); -/* -** Enable the floppy controller IRQ mapping -*/ - irq.as_uchar = - SMC37c669_read_config( SMC37c669_PARALLEL_FDC_IRQ_INDEX ); - - irq.by_field.fdc_irq = - SMC37c669_RAW_DEVICE_IRQ( - SMC37c669_xlate_irq( local_config[ func ].irq ) - ); - - SMC37c669_write_config( - SMC37c669_PARALLEL_FDC_IRQ_INDEX, - irq.as_uchar - ); -/* -** Enable the floppy controller base address mapping -*/ - base_addr.as_uchar = 0; - base_addr.by_field.addr9_4 = local_config[ func ].port1 >> 4; - - SMC37c669_write_config( - SMC37c669_FDC_BASE_ADDRESS_INDEX, - base_addr.as_uchar - ); - ret_val = TRUE; - break; - } - case IDE_0: - { - SMC37c669_IDE_ADDRESS_REGISTER ide_addr; -/* -** Enable the IDE alternate status base address mapping -*/ - ide_addr.as_uchar = 0; - ide_addr.by_field.addr9_4 = local_config[ func ].port2 >> 4; - - SMC37c669_write_config( - SMC37c669_IDE_ALTERNATE_ADDRESS_INDEX, - ide_addr.as_uchar - ); -/* -** Enable the IDE controller base address mapping -*/ - ide_addr.as_uchar = 0; - ide_addr.by_field.addr9_4 = local_config[ func ].port1 >> 4; - - SMC37c669_write_config( - SMC37c669_IDE_BASE_ADDRESS_INDEX, - ide_addr.as_uchar - ); - ret_val = TRUE; - break; - } - } -/* -** Exit configuration mode and return -*/ - SMC37c669_config_mode( FALSE ); - - return ret_val; -} - - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function disables a device function within the -** SMC37c669 Super I/O controller. -** -** FORMAL PARAMETERS: -** -** func: -** Which function to disable -** -** RETURN VALUE: -** -** Return TRUE if the device function was disabled, otherwise, FALSE -** -** SIDE EFFECTS: -** -** {@description or none@} -** -** DESIGN: -** -** Disabling a function in the SMC37c669 device involves -** disabling all the function's mappings (port, irq, drq ...). -** A shadow copy of the device configuration is maintained -** in local storage so we won't worry aboving saving the -** current configuration information. -** -**-- -*/ -unsigned int __init SMC37c669_disable_device ( unsigned int func ) -{ - unsigned int ret_val = FALSE; - -/* -** Put the device into configuration mode -*/ - SMC37c669_config_mode( TRUE ); - switch ( func ) { - case SERIAL_0: - { - SMC37c669_SERIAL_BASE_ADDRESS_REGISTER base_addr; - SMC37c669_SERIAL_IRQ_REGISTER irq; -/* -** Disable the serial 1 IRQ mapping -*/ - irq.as_uchar = - SMC37c669_read_config( SMC37c669_SERIAL_IRQ_INDEX ); - - irq.by_field.uart1_irq = 0; - - SMC37c669_write_config( SMC37c669_SERIAL_IRQ_INDEX, irq.as_uchar ); -/* -** Disable the serial 1 port base address mapping -*/ - base_addr.as_uchar = 0; - SMC37c669_write_config( - SMC37c669_SERIAL0_BASE_ADDRESS_INDEX, - base_addr.as_uchar - ); - ret_val = TRUE; - break; - } - case SERIAL_1: - { - SMC37c669_SERIAL_BASE_ADDRESS_REGISTER base_addr; - SMC37c669_SERIAL_IRQ_REGISTER irq; -/* -** Disable the serial 2 IRQ mapping -*/ - irq.as_uchar = - SMC37c669_read_config( SMC37c669_SERIAL_IRQ_INDEX ); - - irq.by_field.uart2_irq = 0; - - SMC37c669_write_config( SMC37c669_SERIAL_IRQ_INDEX, irq.as_uchar ); -/* -** Disable the serial 2 port base address mapping -*/ - base_addr.as_uchar = 0; - - SMC37c669_write_config( - SMC37c669_SERIAL1_BASE_ADDRESS_INDEX, - base_addr.as_uchar - ); - ret_val = TRUE; - break; - } - case PARALLEL_0: - { - SMC37c669_PARALLEL_BASE_ADDRESS_REGISTER base_addr; - SMC37c669_PARALLEL_FDC_IRQ_REGISTER irq; - SMC37c669_PARALLEL_FDC_DRQ_REGISTER drq; -/* -** Disable the parallel port DMA channel mapping -*/ - drq.as_uchar = - SMC37c669_read_config( SMC37c669_PARALLEL_FDC_DRQ_INDEX ); - - drq.by_field.ppt_drq = 0; - - SMC37c669_write_config( - SMC37c669_PARALLEL_FDC_DRQ_INDEX, - drq.as_uchar - ); -/* -** Disable the parallel port IRQ mapping -*/ - irq.as_uchar = - SMC37c669_read_config( SMC37c669_PARALLEL_FDC_IRQ_INDEX ); - - irq.by_field.ppt_irq = 0; - - SMC37c669_write_config( - SMC37c669_PARALLEL_FDC_IRQ_INDEX, - irq.as_uchar - ); -/* -** Disable the parallel port base address mapping -*/ - base_addr.as_uchar = 0; - - SMC37c669_write_config( - SMC37c669_PARALLEL0_BASE_ADDRESS_INDEX, - base_addr.as_uchar - ); - ret_val = TRUE; - break; - } - case FLOPPY_0: - { - SMC37c669_FDC_BASE_ADDRESS_REGISTER base_addr; - SMC37c669_PARALLEL_FDC_IRQ_REGISTER irq; - SMC37c669_PARALLEL_FDC_DRQ_REGISTER drq; -/* -** Disable the floppy controller DMA channel mapping -*/ - drq.as_uchar = - SMC37c669_read_config( SMC37c669_PARALLEL_FDC_DRQ_INDEX ); - - drq.by_field.fdc_drq = 0; - - SMC37c669_write_config( - SMC37c669_PARALLEL_FDC_DRQ_INDEX, - drq.as_uchar - ); -/* -** Disable the floppy controller IRQ mapping -*/ - irq.as_uchar = - SMC37c669_read_config( SMC37c669_PARALLEL_FDC_IRQ_INDEX ); - - irq.by_field.fdc_irq = 0; - - SMC37c669_write_config( - SMC37c669_PARALLEL_FDC_IRQ_INDEX, - irq.as_uchar - ); -/* -** Disable the floppy controller base address mapping -*/ - base_addr.as_uchar = 0; - - SMC37c669_write_config( - SMC37c669_FDC_BASE_ADDRESS_INDEX, - base_addr.as_uchar - ); - ret_val = TRUE; - break; - } - case IDE_0: - { - SMC37c669_IDE_ADDRESS_REGISTER ide_addr; -/* -** Disable the IDE alternate status base address mapping -*/ - ide_addr.as_uchar = 0; - - SMC37c669_write_config( - SMC37c669_IDE_ALTERNATE_ADDRESS_INDEX, - ide_addr.as_uchar - ); -/* -** Disable the IDE controller base address mapping -*/ - ide_addr.as_uchar = 0; - - SMC37c669_write_config( - SMC37c669_IDE_BASE_ADDRESS_INDEX, - ide_addr.as_uchar - ); - ret_val = TRUE; - break; - } - } -/* -** Exit configuration mode and return -*/ - SMC37c669_config_mode( FALSE ); - - return ret_val; -} - - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function configures a device function within the -** SMC37c669 Super I/O controller. -** -** FORMAL PARAMETERS: -** -** func: -** Which device function -** -** port: -** I/O port for the function to use -** -** irq: -** IRQ for the device function to use -** -** drq: -** DMA channel for the device function to use -** -** RETURN VALUE: -** -** Returns TRUE if the device function was configured, -** otherwise, FALSE. -** -** SIDE EFFECTS: -** -** {@description or none@} -** -** DESIGN: -** -** If this function returns TRUE, the local shadow copy of -** the configuration is also updated. If the device function -** is currently disabled, only the local shadow copy is -** updated and the actual device function will be updated -** if/when it is enabled. -** -**-- -*/ -unsigned int __init SMC37c669_configure_device ( - unsigned int func, - int port, - int irq, - int drq ) -{ - struct DEVICE_CONFIG *cp; - -/* -** Check for a valid configuration -*/ - if ( ( cp = SMC37c669_get_config ( func ) ) != NULL ) { -/* -** Configuration is valid, update the local shadow copy -*/ - if ( ( drq & ~0xFF ) == 0 ) { - cp->drq = drq; - } - if ( ( irq & ~0xFF ) == 0 ) { - cp->irq = irq; - } - if ( ( port & ~0xFFFF ) == 0 ) { - cp->port1 = port; - } -/* -** If the device function is enabled, update the actual -** device configuration. -*/ - if ( SMC37c669_is_device_enabled( func ) ) { - SMC37c669_enable_device( func ); - } - return TRUE; - } - return FALSE; -} - - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function determines whether a device function -** within the SMC37c669 controller is enabled. -** -** FORMAL PARAMETERS: -** -** func: -** Which device function -** -** RETURN VALUE: -** -** Returns TRUE if the device function is enabled, otherwise, FALSE -** -** SIDE EFFECTS: -** -** {@description or none@} -** -** DESIGN: -** -** To check whether a device is enabled we will only look at -** the port base address mapping. According to the SMC37c669 -** specification, all of the port base address mappings are -** disabled if the addr<9:8> (bits <7:6> of the register) are -** zero. -** -**-- -*/ -static unsigned int __init SMC37c669_is_device_enabled ( unsigned int func ) -{ - unsigned char base_addr = 0; - unsigned int dev_ok = FALSE; - unsigned int ret_val = FALSE; -/* -** Enter configuration mode -*/ - SMC37c669_config_mode( TRUE ); - - switch ( func ) { - case SERIAL_0: - base_addr = - SMC37c669_read_config( SMC37c669_SERIAL0_BASE_ADDRESS_INDEX ); - dev_ok = TRUE; - break; - case SERIAL_1: - base_addr = - SMC37c669_read_config( SMC37c669_SERIAL1_BASE_ADDRESS_INDEX ); - dev_ok = TRUE; - break; - case PARALLEL_0: - base_addr = - SMC37c669_read_config( SMC37c669_PARALLEL0_BASE_ADDRESS_INDEX ); - dev_ok = TRUE; - break; - case FLOPPY_0: - base_addr = - SMC37c669_read_config( SMC37c669_FDC_BASE_ADDRESS_INDEX ); - dev_ok = TRUE; - break; - case IDE_0: - base_addr = - SMC37c669_read_config( SMC37c669_IDE_BASE_ADDRESS_INDEX ); - dev_ok = TRUE; - break; - } -/* -** If we have a valid device, check base_addr<7:6> to see if the -** device is enabled (mapped). -*/ - if ( ( dev_ok ) && ( ( base_addr & 0xC0 ) != 0 ) ) { -/* -** The mapping is not disabled, so assume that the function is -** enabled. -*/ - ret_val = TRUE; - } -/* -** Exit configuration mode -*/ - SMC37c669_config_mode( FALSE ); - - return ret_val; -} - - -#if 0 -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function retrieves the configuration information of a -** device function within the SMC37c699 Super I/O controller. -** -** FORMAL PARAMETERS: -** -** func: -** Which device function -** -** port: -** I/O port returned -** -** irq: -** IRQ returned -** -** drq: -** DMA channel returned -** -** RETURN VALUE: -** -** Returns TRUE if the device configuration was successfully -** retrieved, otherwise, FALSE. -** -** SIDE EFFECTS: -** -** The data pointed to by the port, irq, and drq parameters -** my be modified even if the configuration is not successfully -** retrieved. -** -** DESIGN: -** -** The device configuration is fetched from the local shadow -** copy. Any unused parameters will be set to -1. Any -** parameter which is not desired can specify the NULL -** pointer. -** -**-- -*/ -static unsigned int __init SMC37c669_get_device_config ( - unsigned int func, - int *port, - int *irq, - int *drq ) -{ - struct DEVICE_CONFIG *cp; - unsigned int ret_val = FALSE; -/* -** Check for a valid device configuration -*/ - if ( ( cp = SMC37c669_get_config( func ) ) != NULL ) { - if ( drq != NULL ) { - *drq = cp->drq; - ret_val = TRUE; - } - if ( irq != NULL ) { - *irq = cp->irq; - ret_val = TRUE; - } - if ( port != NULL ) { - *port = cp->port1; - ret_val = TRUE; - } - } - return ret_val; -} -#endif - - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function displays the current state of the SMC37c699 -** Super I/O controller's device functions. -** -** FORMAL PARAMETERS: -** -** None -** -** RETURN VALUE: -** -** None -** -** SIDE EFFECTS: -** -** None -** -**-- -*/ -void __init SMC37c669_display_device_info ( void ) -{ - if ( SMC37c669_is_device_enabled( SERIAL_0 ) ) { - printk( " Serial 0: Enabled [ Port 0x%x, IRQ %d ]\n", - local_config[ SERIAL_0 ].port1, - local_config[ SERIAL_0 ].irq - ); - } - else { - printk( " Serial 0: Disabled\n" ); - } - - if ( SMC37c669_is_device_enabled( SERIAL_1 ) ) { - printk( " Serial 1: Enabled [ Port 0x%x, IRQ %d ]\n", - local_config[ SERIAL_1 ].port1, - local_config[ SERIAL_1 ].irq - ); - } - else { - printk( " Serial 1: Disabled\n" ); - } - - if ( SMC37c669_is_device_enabled( PARALLEL_0 ) ) { - printk( " Parallel: Enabled [ Port 0x%x, IRQ %d/%d ]\n", - local_config[ PARALLEL_0 ].port1, - local_config[ PARALLEL_0 ].irq, - local_config[ PARALLEL_0 ].drq - ); - } - else { - printk( " Parallel: Disabled\n" ); - } - - if ( SMC37c669_is_device_enabled( FLOPPY_0 ) ) { - printk( " Floppy Ctrl: Enabled [ Port 0x%x, IRQ %d/%d ]\n", - local_config[ FLOPPY_0 ].port1, - local_config[ FLOPPY_0 ].irq, - local_config[ FLOPPY_0 ].drq - ); - } - else { - printk( " Floppy Ctrl: Disabled\n" ); - } - - if ( SMC37c669_is_device_enabled( IDE_0 ) ) { - printk( " IDE 0: Enabled [ Port 0x%x, IRQ %d ]\n", - local_config[ IDE_0 ].port1, - local_config[ IDE_0 ].irq - ); - } - else { - printk( " IDE 0: Disabled\n" ); - } -} - - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function puts the SMC37c669 Super I/O controller into, -** and takes it out of, configuration mode. -** -** FORMAL PARAMETERS: -** -** enable: -** TRUE to enter configuration mode, FALSE to exit. -** -** RETURN VALUE: -** -** None -** -** SIDE EFFECTS: -** -** The SMC37c669 controller may be left in configuration mode. -** -**-- -*/ -static void __init SMC37c669_config_mode( - unsigned int enable ) -{ - if ( enable ) { -/* -** To enter configuration mode, two writes in succession to the index -** port are required. If a write to another address or port occurs -** between these two writes, the chip does not enter configuration -** mode. Therefore, a spinlock is placed around the two writes to -** guarantee that they complete uninterrupted. -*/ - spin_lock(&smc_lock); - wb( &SMC37c669->index_port, SMC37c669_CONFIG_ON_KEY ); - wb( &SMC37c669->index_port, SMC37c669_CONFIG_ON_KEY ); - spin_unlock(&smc_lock); - } - else { - wb( &SMC37c669->index_port, SMC37c669_CONFIG_OFF_KEY ); - } -} - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function reads an SMC37c669 Super I/O controller -** configuration register. This function assumes that the -** device is already in configuration mode. -** -** FORMAL PARAMETERS: -** -** index: -** Index value of configuration register to read -** -** RETURN VALUE: -** -** Data read from configuration register -** -** SIDE EFFECTS: -** -** None -** -**-- -*/ -static unsigned char __init SMC37c669_read_config( - unsigned char index ) -{ - unsigned char data; - - wb( &SMC37c669->index_port, index ); - data = rb( &SMC37c669->data_port ); - return data; -} - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function writes an SMC37c669 Super I/O controller -** configuration register. This function assumes that the -** device is already in configuration mode. -** -** FORMAL PARAMETERS: -** -** index: -** Index of configuration register to write -** -** data: -** Data to be written -** -** RETURN VALUE: -** -** None -** -** SIDE EFFECTS: -** -** None -** -**-- -*/ -static void __init SMC37c669_write_config( - unsigned char index, - unsigned char data ) -{ - wb( &SMC37c669->index_port, index ); - wb( &SMC37c669->data_port, data ); -} - - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function initializes the local device -** configuration storage. This function assumes -** that the device is already in configuration -** mode. -** -** FORMAL PARAMETERS: -** -** None -** -** RETURN VALUE: -** -** None -** -** SIDE EFFECTS: -** -** Local storage for device configuration information -** is initialized. -** -**-- -*/ -static void __init SMC37c669_init_local_config ( void ) -{ - SMC37c669_SERIAL_BASE_ADDRESS_REGISTER uart_base; - SMC37c669_SERIAL_IRQ_REGISTER uart_irqs; - SMC37c669_PARALLEL_BASE_ADDRESS_REGISTER ppt_base; - SMC37c669_PARALLEL_FDC_IRQ_REGISTER ppt_fdc_irqs; - SMC37c669_PARALLEL_FDC_DRQ_REGISTER ppt_fdc_drqs; - SMC37c669_FDC_BASE_ADDRESS_REGISTER fdc_base; - SMC37c669_IDE_ADDRESS_REGISTER ide_base; - SMC37c669_IDE_ADDRESS_REGISTER ide_alt; - -/* -** Get serial port 1 base address -*/ - uart_base.as_uchar = - SMC37c669_read_config( SMC37c669_SERIAL0_BASE_ADDRESS_INDEX ); -/* -** Get IRQs for serial ports 1 & 2 -*/ - uart_irqs.as_uchar = - SMC37c669_read_config( SMC37c669_SERIAL_IRQ_INDEX ); -/* -** Store local configuration information for serial port 1 -*/ - local_config[SERIAL_0].port1 = uart_base.by_field.addr9_3 << 3; - local_config[SERIAL_0].irq = - SMC37c669_xlate_irq( - SMC37c669_DEVICE_IRQ( uart_irqs.by_field.uart1_irq ) - ); -/* -** Get serial port 2 base address -*/ - uart_base.as_uchar = - SMC37c669_read_config( SMC37c669_SERIAL1_BASE_ADDRESS_INDEX ); -/* -** Store local configuration information for serial port 2 -*/ - local_config[SERIAL_1].port1 = uart_base.by_field.addr9_3 << 3; - local_config[SERIAL_1].irq = - SMC37c669_xlate_irq( - SMC37c669_DEVICE_IRQ( uart_irqs.by_field.uart2_irq ) - ); -/* -** Get parallel port base address -*/ - ppt_base.as_uchar = - SMC37c669_read_config( SMC37c669_PARALLEL0_BASE_ADDRESS_INDEX ); -/* -** Get IRQs for parallel port and floppy controller -*/ - ppt_fdc_irqs.as_uchar = - SMC37c669_read_config( SMC37c669_PARALLEL_FDC_IRQ_INDEX ); -/* -** Get DRQs for parallel port and floppy controller -*/ - ppt_fdc_drqs.as_uchar = - SMC37c669_read_config( SMC37c669_PARALLEL_FDC_DRQ_INDEX ); -/* -** Store local configuration information for parallel port -*/ - local_config[PARALLEL_0].port1 = ppt_base.by_field.addr9_2 << 2; - local_config[PARALLEL_0].irq = - SMC37c669_xlate_irq( - SMC37c669_DEVICE_IRQ( ppt_fdc_irqs.by_field.ppt_irq ) - ); - local_config[PARALLEL_0].drq = - SMC37c669_xlate_drq( - SMC37c669_DEVICE_DRQ( ppt_fdc_drqs.by_field.ppt_drq ) - ); -/* -** Get floppy controller base address -*/ - fdc_base.as_uchar = - SMC37c669_read_config( SMC37c669_FDC_BASE_ADDRESS_INDEX ); -/* -** Store local configuration information for floppy controller -*/ - local_config[FLOPPY_0].port1 = fdc_base.by_field.addr9_4 << 4; - local_config[FLOPPY_0].irq = - SMC37c669_xlate_irq( - SMC37c669_DEVICE_IRQ( ppt_fdc_irqs.by_field.fdc_irq ) - ); - local_config[FLOPPY_0].drq = - SMC37c669_xlate_drq( - SMC37c669_DEVICE_DRQ( ppt_fdc_drqs.by_field.fdc_drq ) - ); -/* -** Get IDE controller base address -*/ - ide_base.as_uchar = - SMC37c669_read_config( SMC37c669_IDE_BASE_ADDRESS_INDEX ); -/* -** Get IDE alternate status base address -*/ - ide_alt.as_uchar = - SMC37c669_read_config( SMC37c669_IDE_ALTERNATE_ADDRESS_INDEX ); -/* -** Store local configuration information for IDE controller -*/ - local_config[IDE_0].port1 = ide_base.by_field.addr9_4 << 4; - local_config[IDE_0].port2 = ide_alt.by_field.addr9_4 << 4; - local_config[IDE_0].irq = 14; -} - - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function returns a pointer to the local shadow -** configuration of the requested device function. -** -** FORMAL PARAMETERS: -** -** func: -** Which device function -** -** RETURN VALUE: -** -** Returns a pointer to the DEVICE_CONFIG structure for the -** requested function, otherwise, NULL. -** -** SIDE EFFECTS: -** -** {@description or none@} -** -**-- -*/ -static struct DEVICE_CONFIG * __init SMC37c669_get_config( unsigned int func ) -{ - struct DEVICE_CONFIG *cp = NULL; - - switch ( func ) { - case SERIAL_0: - cp = &local_config[ SERIAL_0 ]; - break; - case SERIAL_1: - cp = &local_config[ SERIAL_1 ]; - break; - case PARALLEL_0: - cp = &local_config[ PARALLEL_0 ]; - break; - case FLOPPY_0: - cp = &local_config[ FLOPPY_0 ]; - break; - case IDE_0: - cp = &local_config[ IDE_0 ]; - break; - } - return cp; -} - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function translates IRQs back and forth between ISA -** IRQs and SMC37c669 device IRQs. -** -** FORMAL PARAMETERS: -** -** irq: -** The IRQ to translate -** -** RETURN VALUE: -** -** Returns the translated IRQ, otherwise, returns -1. -** -** SIDE EFFECTS: -** -** {@description or none@} -** -**-- -*/ -static int __init SMC37c669_xlate_irq ( int irq ) -{ - int i, translated_irq = -1; - - if ( SMC37c669_IS_DEVICE_IRQ( irq ) ) { -/* -** We are translating a device IRQ to an ISA IRQ -*/ - for ( i = 0; ( SMC37c669_irq_table[i].device_irq != -1 ) || ( SMC37c669_irq_table[i].isa_irq != -1 ); i++ ) { - if ( irq == SMC37c669_irq_table[i].device_irq ) { - translated_irq = SMC37c669_irq_table[i].isa_irq; - break; - } - } - } - else { -/* -** We are translating an ISA IRQ to a device IRQ -*/ - for ( i = 0; ( SMC37c669_irq_table[i].isa_irq != -1 ) || ( SMC37c669_irq_table[i].device_irq != -1 ); i++ ) { - if ( irq == SMC37c669_irq_table[i].isa_irq ) { - translated_irq = SMC37c669_irq_table[i].device_irq; - break; - } - } - } - return translated_irq; -} - - -/* -**++ -** FUNCTIONAL DESCRIPTION: -** -** This function translates DMA channels back and forth between -** ISA DMA channels and SMC37c669 device DMA channels. -** -** FORMAL PARAMETERS: -** -** drq: -** The DMA channel to translate -** -** RETURN VALUE: -** -** Returns the translated DMA channel, otherwise, returns -1 -** -** SIDE EFFECTS: -** -** {@description or none@} -** -**-- -*/ -static int __init SMC37c669_xlate_drq ( int drq ) -{ - int i, translated_drq = -1; - - if ( SMC37c669_IS_DEVICE_DRQ( drq ) ) { -/* -** We are translating a device DMA channel to an ISA DMA channel -*/ - for ( i = 0; ( SMC37c669_drq_table[i].device_drq != -1 ) || ( SMC37c669_drq_table[i].isa_drq != -1 ); i++ ) { - if ( drq == SMC37c669_drq_table[i].device_drq ) { - translated_drq = SMC37c669_drq_table[i].isa_drq; - break; - } - } - } - else { -/* -** We are translating an ISA DMA channel to a device DMA channel -*/ - for ( i = 0; ( SMC37c669_drq_table[i].isa_drq != -1 ) || ( SMC37c669_drq_table[i].device_drq != -1 ); i++ ) { - if ( drq == SMC37c669_drq_table[i].isa_drq ) { - translated_drq = SMC37c669_drq_table[i].device_drq; - break; - } - } - } - return translated_drq; -} - -#if 0 -int __init smcc669_init ( void ) -{ - struct INODE *ip; - - allocinode( smc_ddb.name, 1, &ip ); - ip->dva = &smc_ddb; - ip->attr = ATTR$M_WRITE | ATTR$M_READ; - ip->len[0] = 0x30; - ip->misc = 0; - INODE_UNLOCK( ip ); - - return msg_success; -} - -int __init smcc669_open( struct FILE *fp, char *info, char *next, char *mode ) -{ - struct INODE *ip; -/* -** Allow multiple readers but only one writer. ip->misc keeps track -** of the number of writers -*/ - ip = fp->ip; - INODE_LOCK( ip ); - if ( fp->mode & ATTR$M_WRITE ) { - if ( ip->misc ) { - INODE_UNLOCK( ip ); - return msg_failure; /* too many writers */ - } - ip->misc++; - } -/* -** Treat the information field as a byte offset -*/ - *fp->offset = xtoi( info ); - INODE_UNLOCK( ip ); - - return msg_success; -} - -int __init smcc669_close( struct FILE *fp ) -{ - struct INODE *ip; - - ip = fp->ip; - if ( fp->mode & ATTR$M_WRITE ) { - INODE_LOCK( ip ); - ip->misc--; - INODE_UNLOCK( ip ); - } - return msg_success; -} - -int __init smcc669_read( struct FILE *fp, int size, int number, unsigned char *buf ) -{ - int i; - int length; - int nbytes; - struct INODE *ip; - -/* -** Always access a byte at a time -*/ - ip = fp->ip; - length = size * number; - nbytes = 0; - - SMC37c669_config_mode( TRUE ); - for ( i = 0; i < length; i++ ) { - if ( !inrange( *fp->offset, 0, ip->len[0] ) ) - break; - *buf++ = SMC37c669_read_config( *fp->offset ); - *fp->offset += 1; - nbytes++; - } - SMC37c669_config_mode( FALSE ); - return nbytes; -} - -int __init smcc669_write( struct FILE *fp, int size, int number, unsigned char *buf ) -{ - int i; - int length; - int nbytes; - struct INODE *ip; -/* -** Always access a byte at a time -*/ - ip = fp->ip; - length = size * number; - nbytes = 0; - - SMC37c669_config_mode( TRUE ); - for ( i = 0; i < length; i++ ) { - if ( !inrange( *fp->offset, 0, ip->len[0] ) ) - break; - SMC37c669_write_config( *fp->offset, *buf ); - *fp->offset += 1; - buf++; - nbytes++; - } - SMC37c669_config_mode( FALSE ); - return nbytes; -} -#endif - -void __init -SMC37c669_dump_registers(void) -{ - int i; - for (i = 0; i <= 0x29; i++) - printk("-- CR%02x : %02x\n", i, SMC37c669_read_config(i)); -} -/*+ - * ============================================================================ - * = SMC_init - SMC37c669 Super I/O controller initialization = - * ============================================================================ - * - * OVERVIEW: - * - * This routine configures and enables device functions on the - * SMC37c669 Super I/O controller. - * - * FORM OF CALL: - * - * SMC_init( ); - * - * RETURNS: - * - * Nothing - * - * ARGUMENTS: - * - * None - * - * SIDE EFFECTS: - * - * None - * - */ -void __init SMC669_Init ( int index ) -{ - SMC37c669_CONFIG_REGS *SMC_base; - unsigned long flags; - - local_irq_save(flags); - if ( ( SMC_base = SMC37c669_detect( index ) ) != NULL ) { -#if SMC_DEBUG - SMC37c669_config_mode( TRUE ); - SMC37c669_dump_registers( ); - SMC37c669_config_mode( FALSE ); - SMC37c669_display_device_info( ); -#endif - SMC37c669_disable_device( SERIAL_0 ); - SMC37c669_configure_device( - SERIAL_0, - COM1_BASE, - COM1_IRQ, - -1 - ); - SMC37c669_enable_device( SERIAL_0 ); - - SMC37c669_disable_device( SERIAL_1 ); - SMC37c669_configure_device( - SERIAL_1, - COM2_BASE, - COM2_IRQ, - -1 - ); - SMC37c669_enable_device( SERIAL_1 ); - - SMC37c669_disable_device( PARALLEL_0 ); - SMC37c669_configure_device( - PARALLEL_0, - PARP_BASE, - PARP_IRQ, - PARP_DRQ - ); - SMC37c669_enable_device( PARALLEL_0 ); - - SMC37c669_disable_device( FLOPPY_0 ); - SMC37c669_configure_device( - FLOPPY_0, - FDC_BASE, - FDC_IRQ, - FDC_DRQ - ); - SMC37c669_enable_device( FLOPPY_0 ); - - /* Wake up sometimes forgotten floppy, especially on DP264. */ - outb(0xc, 0x3f2); - - SMC37c669_disable_device( IDE_0 ); - -#if SMC_DEBUG - SMC37c669_config_mode( TRUE ); - SMC37c669_dump_registers( ); - SMC37c669_config_mode( FALSE ); - SMC37c669_display_device_info( ); -#endif - local_irq_restore(flags); - printk( "SMC37c669 Super I/O Controller found @ 0x%p\n", - SMC_base ); - } - else { - local_irq_restore(flags); -#if SMC_DEBUG - printk( "No SMC37c669 Super I/O Controller found\n" ); -#endif - } -} |