rename the directory to match the program name

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2102 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 282 insertions, 0 deletions

diff --git a/util/flashrom/msys_doc.c b/util/flashrom/msys_doc.c
new file mode 100644
index 0000000000..7e9ca9ac08
--- /dev/null
+++ b/util/flashrom/msys_doc.c
@@ -0,0 +1,282 @@
+/*
+ * msys_doc.c: driver for programming m-systems doc devices
+ *
+ *
+ * Copyright 2003   Niki W. Waibel <niki.waibel@gmx.net>
+ *
+ *	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.
+ */
+
+
+
+#include <stdio.h>
+#include <unistd.h>
+#include "flash.h"
+#include "msys_doc.h"
+
+
+
+
+
+static int doc_wait(volatile char *bios, int timeout);
+static unsigned char doc_read_chipid(volatile char *bios);
+static unsigned char doc_read_docstatus(volatile char *bios);
+static unsigned char doc_read_cdsncontrol(volatile char *bios);
+static void doc_write_cdsncontrol(volatile char *bios, unsigned char data);
+
+
+
+
+
+int probe_md2802(struct flashchip *flash)
+{
+	volatile char *bios = flash->virt_addr;
+	unsigned char chipid;
+#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
+	unsigned char id_0x55, id_0xAA;
+#endif				/* !MSYSTEMS_DOC_NO_55AA_CHECKING */
+	int i, toggle_a, toggle_b;
+
+	printf("%s:\n", __FUNCTION__);
+	printf("%s: *******************************\n", __FUNCTION__);
+	printf("%s: * THIS IS A PRE ALPHA VERSION *\n", __FUNCTION__);
+	printf("%s: * IN THE DEVELOPEMENT *********\n", __FUNCTION__);
+	printf("%s: * PROCESS RIGHT NOW. **********\n", __FUNCTION__);
+	printf("%s: *******************************\n", __FUNCTION__);
+	printf("%s: * IF YOU ARE NOT A DEVELOPER **\n", __FUNCTION__);
+	printf("%s: * THEN DO NOT TRY TO READ OR **\n", __FUNCTION__);
+	printf("%s: * WRITE TO THIS DEVICE ********\n", __FUNCTION__);
+	printf("%s: *******************************\n", __FUNCTION__);
+	printf("%s:\n", __FUNCTION__);
+
+	printf("%s: switching off reset mode ...\n", __FUNCTION__);
+	doc_write(0x85, bios, DOCControl);
+	doc_write(0x85, bios, DOCControl);
+	doc_read_4nop(bios);
+	if (doc_wait(bios, 5000))
+		return (-1);
+	printf("%s: switching off reset mode ... done\n", __FUNCTION__);
+	printf("%s:\n", __FUNCTION__);
+
+	printf("%s: switching off write protection ...\n", __FUNCTION__);
+	doc_write_cdsncontrol(bios, doc_read_cdsncontrol(bios) & (~0x08));
+	printf("%s: switching off write protection ... done\n",
+	       __FUNCTION__);
+	printf("%s:\n", __FUNCTION__);
+
+
+	chipid = doc_read_chipid(bios);
+#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
+	id_0x55 = doc_read(bios, IPL_0x0000);
+	id_0xAA = doc_read(bios, IPL_0x0001);
+#endif				/* !MSYSTEMS_DOC_NO_55AA_CHECKING */
+	printf("%s: IPL_0x0000: 0x%02x\n", __FUNCTION__, id_0x55);
+	printf("%s: IPL_0x0001: 0x%02x\n", __FUNCTION__, id_0xAA);
+	printf("%s: IPL_0x0002: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, IPL_0x0002));
+	printf("%s: IPL_0x0003: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, IPL_0x0003));
+	printf("%s:\n", __FUNCTION__);
+	printf("%s: ChipID: 0x%02x\n", __FUNCTION__, chipid);
+	printf("%s: DOCStatus: 0x%02x\n", __FUNCTION__,
+	       doc_read_docstatus(bios));
+	printf("%s: FloorSelect: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, FloorSelect));
+	printf("%s: CDSNControl: 0x%02x\n", __FUNCTION__,
+	       doc_read_cdsncontrol(bios));
+	printf("%s: CDSNDeviceSelect: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, CDSNDeviceSelect));
+	printf("%s: ECCConfiguration: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, ECCConfiguration));
+	printf("%s: CDSNSlowIO: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, CDSNSlowIO));
+	printf("%s: ECCSyndrome0: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, ECCSyndrome0));
+	printf("%s: ECCSyndrome1: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, ECCSyndrome1));
+	printf("%s: ECCSyndrome2: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, ECCSyndrome2));
+	printf("%s: ECCSyndrome3: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, ECCSyndrome3));
+	printf("%s: ECCSyndrome4: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, ECCSyndrome4));
+	printf("%s: ECCSyndrome5: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, ECCSyndrome5));
+	printf("%s: AliasResolution: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, AliasResolution));
+	printf("%s: ConfigurationInput: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, ConfigurationInput));
+	printf("%s: ReadPipelineInitialization: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, ReadPipelineInitialization));
+	printf("%s: LastDataRead: 0x%02x\n", __FUNCTION__,
+	       doc_read(bios, LastDataRead));
+	printf("%s:\n", __FUNCTION__);
+
+	printf("%s: checking ECCConfiguration toggle bit\n", __FUNCTION__);
+	printf("%s:", __FUNCTION__);
+	toggle_a = toggle_b = 0;
+	for (i = 0; i < 10; i++) {
+		unsigned char toggle = doc_toggle(bios);
+
+		printf(" 0x%02x", toggle);
+
+		if (i % 2)
+			toggle_a += toggle;
+		else
+			toggle_b += toggle;
+	}			/* for(i=0; i<10; i++) */
+	printf("\n%s: toggle result: %d/%d\n", __FUNCTION__, toggle_a,
+	       toggle_b);
+
+	if (chipid == flash->model_id
+	    && ((toggle_a == 5 && toggle_b == 0)
+		|| (toggle_a == 0 && toggle_b == 5))
+#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
+	    && id_0x55 == 0x55 && id_0xAA == 0xaa
+#endif				/* !MSYSTEMS_DOC_NO_55AA_CHECKING */
+	    ) {
+		return (1);
+	}
+
+	return (0);
+}				/* int probe_md2802(struct flashchip *flash) */
+
+
+
+int read_md2802(struct flashchip *flash, unsigned char *buf)
+{
+
+	return (0);
+}				/* int read_md2802(struct flashchip *flash, unsigned char *buf) */
+
+
+
+int erase_md2802(struct flashchip *flash)
+{
+	volatile char *bios = flash->virt_addr;
+
+	return (1);
+	*(volatile char *) (bios + 0x5555) = 0xAA;
+	*(volatile char *) (bios + 0x2AAA) = 0x55;
+	*(volatile char *) (bios + 0x5555) = 0x80;
+
+	*(volatile char *) (bios + 0x5555) = 0xAA;
+	*(volatile char *) (bios + 0x2AAA) = 0x55;
+	*(volatile char *) (bios + 0x5555) = 0x10;
+}				/* int erase_md2802(struct flashchip *flash) */
+
+
+
+int write_md2802(struct flashchip *flash, unsigned char *buf)
+{
+	int i;
+	int total_size = flash->total_size * 1024, page_size =
+	    flash->page_size;
+	volatile unsigned char *bios = flash->virt_addr;
+
+	return (1);
+	erase_md2802(flash);
+	if (*bios != (unsigned char) 0xff) {
+		printf("ERASE FAILED\n");
+		return -1;
+	}
+	printf("Programming Page: ");
+	for (i = 0; i < total_size / page_size; i++) {
+		printf("%04d at address: 0x%08x", i, i * page_size);
+		//write_page_md2802(bios, buf + i * page_size, bios + i * page_size, page_size);
+		printf
+		    ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
+	}
+	printf("\n");
+	//protect_md2802(bios);
+
+	return 0;
+}				/* int write_md2802(struct flashchip *flash, char *buf) */
+
+
+
+
+
+
+/*
+	wait timeout msec for doc to become ready
+	return:
+		0: ready
+		-1: timeout expired
+*/
+static int doc_wait(volatile char *bios, int timeout)
+{
+	int i = 20;
+
+	doc_read_4nop(bios);
+
+	while (_doc_busy(bios) && (i != 0)) {
+		usleep(timeout * 1000 / 20);
+		i--;
+	}
+
+	doc_read_2nop(bios);
+
+	if (_doc_busy(bios)) {
+		doc_read_2nop(bios);
+		return (-1);
+	}
+
+	return (0);
+}				/* static int doc_wait(volatile char *bios, int timeout) */
+
+
+
+static unsigned char doc_read_docstatus(volatile char *bios)
+{
+	doc_read(bios, CDSNSlowIO);
+	doc_read_2nop(bios);
+
+	return (doc_read(bios, _DOCStatus));
+}				/* static unsigned char doc_read_docstatus(volatile char *bios) */
+
+
+
+static unsigned char doc_read_chipid(volatile char *bios)
+{
+	doc_read(bios, CDSNSlowIO);
+	doc_read_2nop(bios);
+
+	return (doc_read(bios, _ChipID));
+}				/* static unsigned char doc_read_chipid(volatile char *bios) */
+
+
+
+static unsigned char doc_read_cdsncontrol(volatile char *bios)
+{
+	unsigned char value;
+
+	/* the delays might be necessary when reading the busy bit,
+	   but because a read to this reg reads the busy bit
+	   anyway we better do this delays... */
+	doc_read_4nop(bios);
+	value = doc_read(bios, _CDSNControl);
+	doc_read_2nop(bios);
+
+	return (value);
+}				/* static unsigned char doc_read_chipid(volatile char *bios) */
+
+
+
+static void doc_write_cdsncontrol(volatile char *bios, unsigned char data)
+{
+	doc_write(data, bios, _CDSNControl);
+	doc_read_4nop(bios);
+}				/* static void doc_write_chipid(volatile char *bios, unsigned char data) */