* Fix CONFIG_NET_MULTI support in include/net.h

* Patches by Kyle Harris, 13 Mar 2003:
  - Add FAT partition support
  - Add command support for FAT
  - Add command support for MMC
  ----
  - Add Intel PXA support for video
  - Add Intel PXA support for MMC
  ----
  - Enable MMC and FAT for lubbock board
  - Other misc changes for lubbock board

1 files changed, 231 insertions, 0 deletions

diff --git a/common/cmd_fat.c b/common/cmd_fat.c
new file mode 100644
index 0000000..4db70e1
--- /dev/null
+++ b/common/cmd_fat.c
@@ -0,0 +1,231 @@
+/*
+ * (C) Copyright 2002
+ * Richard Jones, rjones@nexus-tech.net
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * Boot support
+ */
+#include <common.h>
+#include <command.h>
+#include <cmd_boot.h>
+#include <cmd_autoscript.h>
+#include <s_record.h>
+#include <net.h>
+#include <ata.h>
+
+#if (CONFIG_COMMANDS & CFG_CMD_FAT)
+
+#undef	DEBUG
+
+#include <fat.h>
+
+extern block_dev_desc_t *ide_get_dev (int dev);
+
+int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	long size;
+	unsigned long offset;
+	unsigned long count;
+
+	if (argc < 3) {
+		printf ("usage:fatload <filename> <addr> [bytes]\n");
+		return (0);
+	}
+
+	offset = simple_strtoul (argv[2], NULL, 16);
+	if (argc == 4)
+		count = simple_strtoul (argv[3], NULL, 16);
+	else
+		count = 0;
+
+	size = file_fat_read (argv[1], (unsigned char *) offset, count);
+
+	printf ("%ld bytes read\n", size);
+
+	return size;
+}
+
+int do_fat_ls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	char *filename = "/";
+	int ret;
+
+	if (argc == 2)
+		ret = file_fat_ls (argv[1]);
+	else
+		ret = file_fat_ls (filename);
+
+	return (ret);
+}
+
+int do_fat_fsinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int ret;
+
+	ret = 0;
+
+	printf ("FAT info: %d\n", file_fat_detectfs ());
+
+	return (ret);
+}
+
+#ifdef NOT_IMPLEMENTED_YET
+/* find first device whose first partition is a DOS filesystem */
+int find_fat_partition (void)
+{
+	int i, j;
+	block_dev_desc_t *dev_desc;
+	unsigned char *part_table;
+	unsigned char buffer[ATA_BLOCKSIZE];
+
+	for (i = 0; i < CFG_IDE_MAXDEVICE; i++) {
+		dev_desc = ide_get_dev (i);
+		if (!dev_desc) {
+			debug ("couldn't get ide device!\n");
+			return (-1);
+		}
+		if (dev_desc->part_type == PART_TYPE_DOS) {
+			if (dev_desc->
+				block_read (dev_desc->dev, 0, 1, (ulong *) buffer) != 1) {
+				debug ("can't perform block_read!\n");
+				return (-1);
+			}
+			part_table = &buffer[0x1be];	/* start with partition #4 */
+			for (j = 0; j < 4; j++) {
+				if ((part_table[4] == 1 ||	/* 12-bit FAT */
+				     part_table[4] == 4 ||	/* 16-bit FAT */
+				     part_table[4] == 6) &&	/* > 32Meg part */
+				    part_table[0] == 0x80) {	/* bootable? */
+					curr_dev = i;
+					part_offset = part_table[11];
+					part_offset <<= 8;
+					part_offset |= part_table[10];
+					part_offset <<= 8;
+					part_offset |= part_table[9];
+					part_offset <<= 8;
+					part_offset |= part_table[8];
+					debug ("found partition start at %ld\n", part_offset);
+					return (0);
+				}
+				part_table += 16;
+			}
+		}
+	}
+
+	debug ("no valid devices found!\n");
+	return (-1);
+}
+
+int
+do_fat_dump (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
+{
+	__u8 block[1024];
+	int ret;
+	int bknum;
+
+	ret = 0;
+
+	if (argc != 2) {
+		printf ("needs an argument!\n");
+		return (0);
+	}
+
+	bknum = simple_strtoul (argv[1], NULL, 10);
+
+	if (disk_read (0, bknum, block) != 0) {
+		printf ("Error: reading block\n");
+		return -1;
+	}
+	printf ("FAT dump: %d\n", bknum);
+	hexdump (512, block);
+
+	return (ret);
+}
+
+int disk_read (__u32 startblock, __u32 getsize, __u8 *bufptr)
+{
+	ulong tot;
+	block_dev_desc_t *dev_desc;
+
+	if (curr_dev < 0) {
+		if (find_fat_partition () != 0)
+			return (-1);
+	}
+
+	dev_desc = ide_get_dev (curr_dev);
+	if (!dev_desc) {
+		debug ("couldn't get ide device\n");
+		return (-1);
+	}
+
+	tot = dev_desc->block_read (0, startblock + part_offset,
+				    getsize, (ulong *) bufptr);
+
+	/* should we do this here?
+	   flush_cache ((ulong)buf, cnt*ide_dev_desc[device].blksz);
+	 */
+
+	if (tot == getsize)
+		return (0);
+
+	debug ("unable to read from device!\n");
+
+	return (-1);
+}
+
+
+static int isprint (unsigned char ch)
+{
+	if (ch >= 32 && ch < 127)
+		return (1);
+
+	return (0);
+}
+
+
+void hexdump (int cnt, unsigned char *data)
+{
+	int i;
+	int run;
+	int offset;
+
+	offset = 0;
+	while (cnt) {
+		printf ("%04X : ", offset);
+		if (cnt >= 16)
+			run = 16;
+		else
+			run = cnt;
+		cnt -= run;
+		for (i = 0; i < run; i++)
+			printf ("%02X ", (unsigned int) data[i]);
+		printf (": ");
+		for (i = 0; i < run; i++)
+			printf ("%c", isprint (data[i]) ? data[i] : '.');
+		printf ("\n");
+		data = &data[16];
+		offset += run;
+	}
+}
+#endif	/* NOT_IMPLEMENTED_YET */
+
+#endif	/* CFG_CMD_FAT */