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, 199 insertions, 0 deletions

diff --git a/util/flashrom/m29f400bt.c b/util/flashrom/m29f400bt.c
new file mode 100644
index 0000000000..842e35d7d8
--- /dev/null
+++ b/util/flashrom/m29f400bt.c
@@ -0,0 +1,199 @@
+/*
+ * m29f400bt.c: driver for programming JEDEC standard flash parts
+ *
+ *
+ * Copyright 2000 Silicon Integrated System Corporation
+ *
+ *	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.
+ *
+ *
+ * Reference:
+ *
+ * $Id$
+ */
+
+#include "flash.h"
+#include "m29f400bt.h"
+
+int probe_m29f400bt(struct flashchip *flash)
+{
+	volatile char *bios = flash->virt_addr;
+	unsigned char id1, id2;
+
+	*(volatile char *) (bios + 0xAAA) = 0xAA;
+	*(volatile char *) (bios + 0x555) = 0x55;
+	*(volatile char *) (bios + 0xAAA) = 0x90;
+
+	myusec_delay(10);
+
+	id1 = *(volatile unsigned char *) bios;
+	id2 = *(volatile unsigned char *) (bios + 0x02);
+
+	*(volatile char *) (bios + 0xAAA) = 0xAA;
+	*(volatile char *) (bios + 0x555) = 0x55;
+	*(volatile char *) (bios + 0xAAA) = 0xF0;
+
+	myusec_delay(10);
+
+	printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
+
+
+	if (id1 == flash->manufacture_id && id2 == flash->model_id)
+		return 1;
+
+	return 0;
+}
+
+int erase_m29f400bt(struct flashchip *flash)
+{
+	volatile char *bios = flash->virt_addr;
+
+	*(volatile char *) (bios + 0xAAA) = 0xAA;
+	*(volatile char *) (bios + 0x555) = 0x55;
+	*(volatile char *) (bios + 0xAAA) = 0x80;
+
+	*(volatile char *) (bios + 0xAAA) = 0xAA;
+	*(volatile char *) (bios + 0x555) = 0x55;
+	*(volatile char *) (bios + 0xAAA) = 0x10;
+
+	myusec_delay(10);
+	toggle_ready_m29f400bt(bios);
+
+	return (0);
+}
+
+int block_erase_m29f400bt(volatile char *bios, volatile char *dst)
+{
+
+	*(volatile char *) (bios + 0xAAA) = 0xAA;
+	*(volatile char *) (bios + 0x555) = 0x55;
+	*(volatile char *) (bios + 0xAAA) = 0x80;
+
+	*(volatile char *) (bios + 0xAAA) = 0xAA;
+	*(volatile char *) (bios + 0x555) = 0x55;
+	//*(volatile char *) (bios + 0xAAA) = 0x10;
+	*dst = 0x30;
+
+	myusec_delay(10);
+	toggle_ready_m29f400bt(bios);
+
+	return (0);
+}
+
+int write_m29f400bt(struct flashchip *flash, unsigned char *buf)
+{
+	int i;
+	int total_size = flash->total_size * 1024, page_size =
+	    flash->page_size;
+	volatile char *bios = flash->virt_addr;
+
+	//erase_m29f400bt (flash);
+	printf("Programming Page:\n ");
+	/*********************************
+	*Pages for M29F400BT:
+	* 16	0x7c000		0x7ffff		TOP
+	*  8 	0x7a000		0x7bfff
+	*  8 	0x78000		0x79fff
+	* 32	0x70000		0x77fff
+	* 64	0x60000		0x6ffff
+	* 64	0x50000		0x5ffff
+	* 64	0x40000		0x4ffff
+	*---------------------------------
+	* 64	0x30000		0x3ffff
+	* 64	0x20000		0x2ffff
+	* 64	0x10000		0x1ffff
+	* 64	0x00000		0x0ffff		BOTTOM
+	*********************************/
+	printf("total_size/page_size = %d\n", total_size / page_size);
+	for (i = 0; i < (total_size / page_size) - 1; i++) {
+		printf("%04d at address: 0x%08x\n", i, i * page_size);
+		block_erase_m29f400bt(bios, bios + i * page_size);
+		write_page_m29f400bt(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("%04d at address: 0x%08x\n", 7, 0x70000);
+	block_erase_m29f400bt(bios, bios + 0x70000);
+	write_page_m29f400bt(bios, buf + 0x70000, bios + 0x70000,
+			     32 * 1024);
+
+	printf("%04d at address: 0x%08x\n", 8, 0x78000);
+	block_erase_m29f400bt(bios, bios + 0x78000);
+	write_page_m29f400bt(bios, buf + 0x78000, bios + 0x78000,
+			     8 * 1024);
+
+	printf("%04d at address: 0x%08x\n", 9, 0x7a000);
+	block_erase_m29f400bt(bios, bios + 0x7a000);
+	write_page_m29f400bt(bios, buf + 0x7a000, bios + 0x7a000,
+			     8 * 1024);
+
+	printf("%04d at address: 0x%08x\n", 10, 0x7c000);
+	block_erase_m29f400bt(bios, bios + 0x7c000);
+	write_page_m29f400bt(bios, buf + 0x7c000, bios + 0x7c000,
+			     16 * 1024);
+
+	printf("\n");
+	//protect_m29f400bt (bios);
+
+	return (0);
+}
+
+int write_linuxbios_m29f400bt(struct flashchip *flash, unsigned char *buf)
+{
+	volatile char *bios = flash->virt_addr;
+
+	printf("Programming Page:\n ");
+	/*********************************
+	*Pages for M29F400BT:
+	* 16	0x7c000		0x7ffff		TOP
+	*  8 	0x7a000		0x7bfff
+	*  8 	0x78000		0x79fff
+	* 32	0x70000		0x77fff
+	* 64	0x60000		0x6ffff
+	* 64	0x50000		0x5ffff
+	* 64	0x40000		0x4ffff
+	*---------------------------------
+	* 64	0x30000		0x3ffff
+	* 64	0x20000		0x2ffff
+	* 64	0x10000		0x1ffff
+	* 64	0x00000		0x0ffff		BOTTOM
+	*********************************/
+	printf("%04d at address: 0x%08x\n", 7, 0x00000);
+	block_erase_m29f400bt(bios, bios + 0x00000);
+	write_page_m29f400bt(bios, buf + 0x00000, bios + 0x00000,
+			     64 * 1024);
+
+	printf("%04d at address: 0x%08x\n", 7, 0x10000);
+	block_erase_m29f400bt(bios, bios + 0x10000);
+	write_page_m29f400bt(bios, buf + 0x10000, bios + 0x10000,
+			     64 * 1024);
+
+	printf("%04d at address: 0x%08x\n", 7, 0x20000);
+	block_erase_m29f400bt(bios, bios + 0x20000);
+	write_page_m29f400bt(bios, buf + 0x20000, bios + 0x20000,
+			     64 * 1024);
+
+	printf("%04d at address: 0x%08x\n", 7, 0x30000);
+	block_erase_m29f400bt(bios, bios + 0x30000);
+	write_page_m29f400bt(bios, buf + 0x30000, bios + 0x30000,
+			     64 * 1024);
+
+	printf("\n");
+	//protect_m29f400bt (bios);
+
+	return (0);
+}