From 7205e4075d8b50e4dd89fe39ed03860b23cbb704 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Wed, 10 Sep 2003 22:30:53 +0000
Subject: * Patches by Denis Peter, 9 Sep 2003:   add FAT support for IDE, SCSI
 and USB

* Patches by Gleb Natapov, 2 Sep 2003:
  - cleanup of POST code for unsupported architectures
  - MPC824x locks way0 of data cache for use as initial RAM;
    this patch unlocks it after relocation to RAM and invalidates
    the locked entries.

* Patch by Gleb Natapov, 30 Aug 2003:
  new I2C driver for mpc107 bridge. Now works from flash.

* Patch by Dave Ellis, 11 Aug 2003:
  - JFFS2: fix typo in common/cmd_jffs2.c
  - JFFS2: fix CFG_JFFS2_SORT_FRAGMENTS option
  - JFFS2: remove node version 0 warning
  - JFFS2: accept JFFS2 PADDING nodes
  - SXNI855T: add AM29LV800 support
  - SXNI855T: move environment from EEPROM to flash
  - SXNI855T: boot from JFFS2 in NOR or NAND flash

* Patch by Bill Hargen, 11 Aug 2003:
  fixes for I2C on MPC8240
  - fix i2c_write routine
  - fix iprobe command
  - eliminates use of global variables, plus dead code, cleanup.
---
 common/cmd_doc.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'common/cmd_doc.c')

diff --git a/common/cmd_doc.c b/common/cmd_doc.c
index 31862cf244..e5db1bc360 100644
--- a/common/cmd_doc.c
+++ b/common/cmd_doc.c
@@ -861,8 +861,13 @@ static int find_boot_record(struct NFTLrecord *nftl)
 		memcpy(mh, buf, sizeof(struct NFTLMediaHeader));
 
 		/* Do some sanity checks on it */
-		if (mh->UnitSizeFactor != 0xff) {
-			puts ("Sorry, we don't support UnitSizeFactor "
+		if (mh->UnitSizeFactor == 0) {
+#ifdef NFTL_DEBUG
+			puts ("UnitSizeFactor 0x00 detected.\n"
+			      "This violates the spec but we think we know what it means...\n");
+#endif
+		} else if (mh->UnitSizeFactor != 0xff) {
+			printf ("Sorry, we don't support UnitSizeFactor "
 			      "of != 1 yet.\n");
 			return -1;
 		}
@@ -950,6 +955,8 @@ static void DoC2k_init(struct DiskOnChip* this)
 
 	/* Ident all the chips present. */
 	DoC_ScanChips(this);
+	if ((!this->numchips) || (!this->chips))
+		return;
 
 	nftl = &this->nftl;
 
-- 
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