From e7c85689bbf2f6aaeb68d5976da642ae80fa06b2 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Fri, 27 Feb 2004 08:21:54 +0000
Subject: * Patch by Travis Sawyer, 26 Feb 2004:   Fix broken compile for
 XPEDITE1K target.

* Patch by Stephan Linz, 26 Feb 2004:
  Bug fix for NFS code on NIOS targets

* Patch by Stephen Williams, 26 Feb 2004:
  Break up SystemACE reads of large block counts
---
 CHANGELOG                   |  9 ++++++
 common/cmd_ace.c            | 68 +++++++++++++++++++++++++++++++--------------
 include/configs/DK1C20.h    |  1 +
 include/configs/DK1S10.h    |  1 +
 include/configs/XPEDITE1K.h |  4 ++-
 5 files changed, 61 insertions(+), 22 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index e0c5119c0..606e5ee74 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,15 @@
 Changes for U-Boot 1.0.2:
 ======================================================================
 
+* Patch by Travis Sawyer, 26 Feb 2004:
+  Fix broken compile for XPEDITE1K target.
+
+* Patch by Stephan Linz, 26 Feb 2004:
+  Bug fix for NFS code on NIOS targets
+  
+* Patch by Stephen Williams, 26 Feb 2004:
+  Break up SystemACE reads of large block counts
+
 * Patch by Pierre Aubert, 26 Feb 2004
   add IDE support for MPC5200
 
diff --git a/common/cmd_ace.c b/common/cmd_ace.c
index 555fbe398..b6f860478 100644
--- a/common/cmd_ace.c
+++ b/common/cmd_ace.c
@@ -121,6 +121,7 @@ static unsigned long systemace_read(int dev,
 {
       unsigned val;
       int retry;
+      unsigned blk_countdown;
       unsigned char*dp = (unsigned char*)buffer;
 
       if (get_cf_lock() < 0) {
@@ -136,6 +137,10 @@ static unsigned long systemace_read(int dev,
 	    return 0;
       }
 
+#ifdef DEBUG_SYSTEMACE
+      printf("... systemace read %lu sectors at %lu\n", blkcnt, start);
+#endif
+
       retry = 2000;
       for (;;) {
 	    unsigned val = ace_readw(0x04);
@@ -161,34 +166,55 @@ static unsigned long systemace_read(int dev,
 	    retry -= 1;
       }
 
-	/* Write LBA block address */
-      ace_writew(start & 0xffff, 0x10);
-      start >>= 16;
-      ace_writew(start & 0xff, 0x12);
+	/* The SystemACE can only transfer 256 sectors at a time, so
+	   limit the current chunk of sectors. The blk_countdown
+	   variable is the number of sectors left to transfer. */
 
-	/* Write sector count | ReadMemCardData. */
-      ace_writew(blkcnt | 0x0300, 0x14);
+      blk_countdown = blkcnt;
+      while (blk_countdown > 0) {
+	    unsigned trans = blk_countdown;
 
-	/* CONTROLREG = CFGRESET|LOCKREQ */
-      ace_writew(0x0082, 0x18);
+	    if (trans > 256) trans = 256;
 
-      retry = blkcnt * 16;
-      while (retry > 0) {
-	    int idx;
+#ifdef DEBUG_SYSTEMACE
+	    printf("... transfer %lu sector in a chunk\n", trans);
+#endif
+	      /* Write LBA block address */
+	    ace_writew((start>> 0) & 0xffff, 0x10);
+	    ace_writew((start>>16) & 0x00ff, 0x12);
 
-	      /* Wait for buffer to become ready. */
-	    while (! (ace_readw(0x04) & 0x0020)) {
-		  udelay(1000);
-	    }
+	      /* NOTE: in the Write Sector count below, a count of 0
+		 causes a transfer of 256, so &0xff gives the right
+		 value for whatever transfer count we want. */
+
+	      /* Write sector count | ReadMemCardData. */
+	    ace_writew((trans&0xff) | 0x0300, 0x14);
 
-	      /* Read 16 words of 2bytes from the sector buffer. */
-	    for (idx = 0 ;  idx < 16 ;  idx += 1) {
-		  unsigned short val = ace_readw(0x40);
-		  *dp++ = val & 0xff;
-		  *dp++ = (val>>8) & 0xff;
+	      /* CONTROLREG = CFGRESET|LOCKREQ */
+	    ace_writew(0x0082, 0x18);
+
+	    retry = trans * 16;
+	    while (retry > 0) {
+		  int idx;
+
+		    /* Wait for buffer to become ready. */
+		  while (! (ace_readw(0x04) & 0x0020)) {
+			udelay(1000);
+		  }
+
+		    /* Read 16 words of 2bytes from the sector buffer. */
+		  for (idx = 0 ;  idx < 16 ;  idx += 1) {
+			unsigned short val = ace_readw(0x40);
+			*dp++ = val & 0xff;
+			*dp++ = (val>>8) & 0xff;
+		  }
+
+		  retry -= 1;
 	    }
 
-	    retry -= 1;
+	      /* Count the blocks we transfer this time. */
+	    start += trans;
+	    blk_countdown -= trans;
       }
 
       release_cf_lock();
diff --git a/include/configs/DK1C20.h b/include/configs/DK1C20.h
index 9b4f144fd..71d52e996 100644
--- a/include/configs/DK1C20.h
+++ b/include/configs/DK1C20.h
@@ -466,6 +466,7 @@
 				 CFG_CMD_JFFS2	| \
 				 CFG_CMD_KGDB	| \
 				 CFG_CMD_NAND	| \
+				 CFG_CMD_NFS	| \
 				 CFG_CMD_MMC	| \
 				 CFG_CMD_MII	| \
 				 CFG_CMD_PCI	| \
diff --git a/include/configs/DK1S10.h b/include/configs/DK1S10.h
index e5e487c65..db8c05a98 100644
--- a/include/configs/DK1S10.h
+++ b/include/configs/DK1S10.h
@@ -476,6 +476,7 @@
 				 CFG_CMD_JFFS2	| \
 				 CFG_CMD_KGDB	| \
 				 CFG_CMD_NAND	| \
+				 CFG_CMD_NFS	| \
 				 CFG_CMD_MMC	| \
 				 CFG_CMD_MII	| \
 				 CFG_CMD_PCI	| \
diff --git a/include/configs/XPEDITE1K.h b/include/configs/XPEDITE1K.h
index 8bdd29326..4a19541b0 100644
--- a/include/configs/XPEDITE1K.h
+++ b/include/configs/XPEDITE1K.h
@@ -85,6 +85,8 @@ extern void out32(unsigned int, unsigned long);
 /*-----------------------------------------------------------------------
  * Initial RAM & stack pointer (placed in internal SRAM)
  *----------------------------------------------------------------------*/
+#define CFG_TEMP_STACK_OCM  1
+#define CFG_OCM_DATA_ADDR   CFG_ISRAM_BASE
 #define CFG_INIT_RAM_ADDR   CFG_ISRAM_BASE  /* Initial RAM address	*/
 #define CFG_INIT_RAM_END    0x2000	    /* End of used area in RAM	*/
 #define CFG_GBL_DATA_SIZE   128		    /* num bytes initial data	*/
@@ -160,7 +162,7 @@ extern void out32(unsigned int, unsigned long);
 
 #define CONFIG_BOOTARGS		"root=/dev/hda1 "
 #define CONFIG_BOOTCOMMAND	"bootm ffc00000"    /* autoboot command */
-#define CONFIG_BOOTDELAY	-1		    /* disable autoboot */
+#define CONFIG_BOOTDELAY	5		    /* disable autoboot */
 #define CONFIG_BAUDRATE		9600
 
 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
-- 
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