Moved core/isapnp.c to drivers/bus/isapnp.c

1 files changed, 0 insertions, 382 deletions

diff --git a/src/core/isapnp.c b/src/core/isapnp.c
deleted file mode 100644
index b03da92c9..000000000
--- a/src/core/isapnp.c
+++ /dev/null
@@ -1,382 +0,0 @@
-#ifdef CONFIG_ISA
-/**************************************************************************
-*
-*    isapnp.c -- Etherboot isapnp support for the 3Com 3c515
-*    Written 2002-2003 by Timothy Legge <tlegge@rogers.com>
-*
-*    This program is free software; you can redistribute it and/or modify
-*    it under the terms of the GNU General Public License as published by
-*    the Free Software Foundation; either version 2 of the License, or
-*    (at your option) any later version.
-*
-*    This program is distributed in the hope that it will be useful,
-*    but WITHOUT ANY WARRANTY; without even the implied warranty of
-*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-*    GNU General Public License for more details.
-*
-*    You should have received a copy of the GNU General Public License
-*    along with this program; if not, write to the Free Software
-*    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*
-*    Portions of this code:
-*	Copyright (C) 2001  P.J.H.Fox (fox@roestock.demon.co.uk)
-*
-*
-*    REVISION HISTORY:
-*    ================
-*    Version 0.1 April 26, 2002 	TJL
-*    Version 0.2 01/08/2003		TJL Moved outside the 3c515.c driver file
-*    Version 0.3 Sept 23, 2003	timlegge Change delay to currticks
-*		
-*
-*    Indent Options: indent -kr -i8
-***************************************************************************/
-
-/* to get some global routines like printf */
-#include "etherboot.h"
-#include "timer.h"
-#include "isapnp.h"
-
-static int pnp_card_csn = 0;
-
-void isapnp_wait(unsigned int nticks)
-{
-	unsigned int to = currticks() + nticks;
-	while (currticks() < to)
-		/* Wait */ ;
-}
-
-/* The following code is the ISA PNP logic required to activate the 3c515 */
-/* PNP Defines */
-#define IDENT_LEN 9
-#define NUM_CARDS 128
-
-/* PNP declares */
-static unsigned char serial_identifier[NUM_CARDS + 1][IDENT_LEN];
-static unsigned char isapnp_checksum_value;
-static char initdata[INIT_LENGTH] = INITDATA;
-int read_port = 0;
-
-
-/* PNP Prototypes */
-static int Isolate(void);
-static int do_isapnp_isolate(void);
-static int isapnp_build_device_list(void);
-static int isapnp_isolate_rdp_select(void);
-static int isapnp_next_rdp(void);
-static void isapnp_peek(unsigned char *data, int bytes);
-static void send_key(void);
-static unsigned char isapnp_checksum(unsigned char *data);
-int Config(int csn);
-
-void config_pnp_device(void)
-{
-	/* PNP Configuration */
-	printf("Probing/Configuring ISAPNP devices\n");
-	if (!read_port) {
-		Isolate();
-		if (pnp_card_csn)
-			Config(pnp_card_csn);
-	}
-}
-
-/* Isolate all the PNP Boards on the ISA BUS */
-static int Isolate(void)
-{
-	int cards = 0;
-	if (read_port < 0x203 || read_port > 0x3ff) {
-		cards = do_isapnp_isolate();
-		if (cards < 0 || (read_port < 0x203 || read_port > 0x3ff)) {
-			printf("No Plug & Play device found\n");
-			return 0;
-		}
-	}
-	isapnp_build_device_list();
-#ifdef EDEBUG
-	printf("%d Plug & Play device found\n", cards);
-#endif
-	return 0;
-}
-
-static int do_isapnp_isolate(void)
-{
-	unsigned char checksum = 0x6a;
-	unsigned char chksum = 0x00;
-	unsigned char bit = 0x00;
-	unsigned char c1, c2;
-	int csn = 0;
-	int i;
-	int iteration = 1;
-
-	read_port = 0x213;
-	if (isapnp_isolate_rdp_select() < 0)
-		return -1;
-
-	while (1) {
-		for (i = 1; i <= 64; i++) {
-			c1 = READ_DATA;
-			isapnp_wait(1);
-			c2 = READ_DATA;
-			isapnp_wait(1);
-			if (c1 == 0x55) {
-				if (c2 == 0xAA) {
-					bit = 0x01;
-				}
-			}
-			checksum =
-			    ((((checksum ^ (checksum >> 1)) & 0x01) ^ bit)
-			     << 7) | (checksum >> 1);
-			bit = 0x00;
-		}
-#ifdef EDEBUG
-		printf("Calc checksum %d", checksum);
-#endif
-		for (i = 65; i <= 72; i++) {
-			c1 = READ_DATA;
-			udelay(250);
-			c2 = READ_DATA;
-			udelay(250);
-			if (c1 == 0x55) {
-				if (c2 == 0xAA)
-					chksum |= (1 << (i - 65));
-			}
-		}
-#ifdef EDEBUG
-		printf("Actual checksum %d", chksum);
-#endif
-		if (checksum != 0x00 && checksum == chksum) {
-			csn++;
-			serial_identifier[csn][iteration] >>= 1;
-			serial_identifier[csn][iteration] |= bit;
-			CARDSELECTNUMBER;
-#ifdef EDEBUG
-			printf("Writing csn: %d", csn);
-#endif
-			WRITE_DATA(csn);
-			udelay(250);
-			iteration++;
-			/* Force all cards without a CSN into Isolation state */
-			Wake(0);
-			SetRdPort(read_port);
-			udelay(1000);
-			SERIALISOLATION;
-			udelay(1000);
-			goto __next;
-		}
-		if (iteration == 1) {
-			read_port += READ_ADDR_STEP;
-			if (isapnp_isolate_rdp_select() < 0)
-				return -1;
-		} else if (iteration > 1) {
-			break;
-		}
-	      __next:
-		checksum = 0x6a;
-		chksum = 0x00;
-		bit = 0x00;
-	}
-	return csn;
-}
-
-/*
- *  Build device list for all present ISA PnP devices.
- */
-static int isapnp_build_device_list(void)
-{
-	int csn, device, vendor, serial;
-	unsigned char header[9], checksum;
-	for (csn = 1; csn <= 10; csn++) {
-		Wake(csn);
-		isapnp_peek(header, 9);
-		checksum = isapnp_checksum(header);
-#ifdef EDEBUG
-		printf
-		    ("vendor: 0x%hX:0x%hX:0x%hX:0x%hX:0x%hX:0x%hX:0x%hX:0x%hX:0x%hX\n",
-		     header[0], header[1], header[2], header[3], header[4],
-		     header[5], header[6], header[7], header[8]);
-		printf("checksum = 0xhX\n", checksum);
-#endif
-		/* Don't be strict on the checksum, here !
-		   e.g. 'SCM SwapBox Plug and Play' has header[8]==0 (should be: b7) */
-		if (header[8] == 0);
-		else if (checksum == 0x00 || checksum != header[8])	/* not valid CSN */
-			continue;
-
-		vendor = (header[1] << 8) | header[0];
-		device = (header[3] << 8) | header[2];
-		serial =
-		    (header[7] << 24) | (header[6] << 16) | (header[5] <<
-							     8) |
-		    header[4];
-		if (vendor == 0x6D50)
-			if (device == 0x5150) {
-				printf
-				    ("\nFound 3Com 3c515 PNP Card!\n Vendor ID: 0x%hX, Device ID: 0x%hX, Serial Num: 0x%hX\n",
-				     vendor, device, serial);
-				pnp_card_csn = csn;
-			}
-		isapnp_checksum_value = 0x00;
-	}
-	return 0;
-}
-
-int Config(int csn)
-{
-#define TIMEOUT_PNP     100
-	unsigned char id[IDENT_LEN];
-	int i, x;
-	Wake(csn);
-	udelay(1000);
-	for (i = 0; i < IDENT_LEN; i++) {
-		for (x = 1; x < TIMEOUT_PNP; x++) {
-			if (STATUS & 1)
-				break;
-			udelay(1000);
-		}
-		id[i] = RESOURCEDATA;
-#ifdef EDEBUG
-		printf(" 0x%hX ", id[i]);
-#endif
-	}
-#ifdef EDEBUG
-	printf("Got The status bit\n");
-#endif
-	/*Set Logical Device Register active */
-	LOGICALDEVICENUMBER;
-	/* Specify the first logical device */
-	WRITE_DATA(0);
-
-
-	/* Apparently just activating the card is enough
-	   for Etherboot to detect it.  Why bother with the
-	   following code.  Left in place in case it is
-	   later required  */
-/*==========================================*/
-	/* set DMA */
-/*    ADDRESS(0x74 + 0);
-    WRITE_DATA(7); */
-
-	/*Set IRQ */
-/*    udelay(1000);
-    ADDRESS(0x70 + (0 << 1));
-    WRITE_DATA(9);
-    udelay(1000); */
-/*=============================================*/
-	/*Activate */
-	ACTIVATE;
-	WRITE_DATA(1);
-	udelay(250);
-	/* Ask for access to the Wait for Key command - ConfigControl register */
-	CONFIGCONTROL;
-	/* Write the Wait for Key Command to the ConfigControl Register */
-	WRITE_DATA(CONFIG_WAIT_FOR_KEY);
-	/* As per doc. Two Write cycles of 0x00 required befor the Initialization key is sent */
-	ADDRESS(0);
-	ADDRESS(0);
-
-	return 1;
-}
-
-static void send_key(void)
-{
-	int i;
-	/* Ask for access to the Wait for Key command - ConfigControl register */
-	CONFIGCONTROL;
-	/* Write the Wait for Key Command to the ConfigControl Register */
-	WRITE_DATA(CONFIG_WAIT_FOR_KEY);
-	/* As per doc. Two Write cycles of 0x00 required befor the Initialization key is sent */
-	ADDRESS(0);
-	ADDRESS(0);
-	/* 32 writes of the initiation key to the card */
-	for (i = 0; i < INIT_LENGTH; i++)
-		ADDRESS(initdata[i]);
-}
-
-static void isapnp_peek(unsigned char *data, int bytes)
-{
-	int i, j;
-	unsigned char d = 0;
-
-	for (i = 1; i <= bytes; i++) {
-		for (j = 0; j < 20; j++) {
-			d = STATUS;
-			if (d & 1)
-				break;
-			udelay(100);
-		}
-		if (!(d & 1)) {
-			if (data != NULL)
-				*data++ = 0xff;
-			continue;
-		}
-		d = RESOURCEDATA;	/* PRESDI */
-		isapnp_checksum_value += d;
-		if (data != NULL)
-			*data++ = d;
-	}
-}
-
-/*
- *  Compute ISA PnP checksum for first eight bytes.
- */
-static unsigned char isapnp_checksum(unsigned char *data)
-{
-	int i, j;
-	unsigned char checksum = 0x6a, bit, b;
-
-	for (i = 0; i < 8; i++) {
-		b = data[i];
-		for (j = 0; j < 8; j++) {
-			bit = 0;
-			if (b & (1 << j))
-				bit = 1;
-			checksum =
-			    ((((checksum ^ (checksum >> 1)) & 0x01) ^ bit)
-			     << 7) | (checksum >> 1);
-		}
-	}
-	return checksum;
-}
-static int isapnp_next_rdp(void)
-{
-	int rdp = read_port;
-	while (rdp <= 0x3ff) {
-		/*
-		 *      We cannot use NE2000 probe spaces for ISAPnP or we
-		 *      will lock up machines.
-		 */
-		if ((rdp < 0x280 || rdp > 0x380)) {
-			read_port = rdp;
-			return 0;
-		}
-		rdp += READ_ADDR_STEP;
-	}
-	return -1;
-}
-
-static int isapnp_isolate_rdp_select(void)
-{
-	send_key();
-	/* Control: reset CSN and conditionally everything else too */
-	CONFIGCONTROL;
-	WRITE_DATA((CONFIG_RESET_CSN | CONFIG_WAIT_FOR_KEY));
-	mdelay(2);
-
-	send_key();
-	Wake(0);
-
-	if (isapnp_next_rdp() < 0) {
-		/* Ask for access to the Wait for Key command - ConfigControl register */
-		CONFIGCONTROL;
-		/* Write the Wait for Key Command to the ConfigControl Register */
-		WRITE_DATA(CONFIG_WAIT_FOR_KEY);
-		return -1;
-	}
-
-	SetRdPort(read_port);
-	udelay(1000);
-	SERIALISOLATION;
-	udelay(1000);
-	return 0;
-}
-#endif  /* CONFIG_ISA */