Merge with git+ssh://fifi/home/wd/git/u-boot/master

CHANGELOG

@@ -2,6 +2,21 @@
 Changes since U-Boot 1.1.4:
 ======================================================================
 
+* Update for SC520 board.
+  Patch by David Updegraff, 02 Dec 2005
+
+* Fixed common.h spelling error.
+  Patch by Cory Tusar, 30 Nov 2005
+
+* Fix typo.
+  Patch by Andreas Engel, 28 Nov 2005
+
+* Fix fatload command on FAT32 formatted partitions.
+  Patch by Joachim Jaeger, 18 Nov 2005
+
+* Fix drivers/dm9000.c when configured in 32 bit mode.
+  Patch by Eric Benard, 17 Nov 2005
+
 * Cleanup debug code for yucca board.
 
 * MCC200: restrict addressable flash space to 32 MB

cpu/i386/sc520.c

@@ -31,7 +31,9 @@
 #include <common.h>
 #include <config.h>
 #include <pci.h>
+#ifdef CONFIG_SC520_SSI
 #include <ssi.h>
+#endif
 #include <asm/io.h>
 #include <asm/pci.h>
 #include <asm/ic/sc520.h>
@@ -143,7 +145,15 @@ unsigned long init_sc520_dram(void)
 
 	u32 dram_present=0;
 	u32 dram_ctrl;
-
+#ifdef CFG_SDRAM_DRCTMCTL
+	/* these memory control registers are set up in the assember part,
+	 * in sc520_asm.S, during 'mem_init'.  If we muck with them here,
+	 * after we are running a stack in RAM, we have troubles.  Besides,
+	 * these refresh and delay values are better ? simply specified 
+	 * outright in the include/configs/{cfg} file since the HW designer
+	 * simply dictates it.
+	 */
+#else
 	int val;
 
 	int cas_precharge_delay = CFG_SDRAM_PRECHARGE_DELAY;
@@ -162,6 +172,7 @@ unsigned long init_sc520_dram(void)
 	} else {
 		val = 3;  /* 62.4us */
 	}
+
 	write_mmcr_byte(SC520_DRCCTL, (read_mmcr_byte(SC520_DRCCTL) & 0xcf) | (val<<4));
 
 	val = read_mmcr_byte(SC520_DRCTMCTL);
@@ -181,13 +192,12 @@ unsigned long init_sc520_dram(void)
 		val |= 1;
 	}
 	write_mmcr_byte(SC520_DRCTMCTL, val);
-
+#endif
 
 	/* We read-back the configuration of the dram
 	 * controller that the assembly code wrote */
 	dram_ctrl = read_mmcr_long(SC520_DRCBENDADR);
 
-
 	bd->bi_dram[0].start = 0;
 	if (dram_ctrl & 0x80) {
 		/* bank 0 enabled */
@@ -274,7 +284,7 @@ int pci_sc520_set_irq(int pci_pin, int irq)
 {
 	int i;
 
-# if 0
+# if 1
 	printf("set_irq(): map INT%c to IRQ%d\n", pci_pin + 'A', irq);
 #endif
 	if (irq < 0 || irq > 15) {

cpu/i386/sc520_asm.S

@@ -113,6 +113,7 @@
 .equ            DRCCFG,     0x0fffef014   /* DRAM bank configuration register */
 .equ            DRCBENDADR, 0x0fffef018   /* DRAM bank ending address register */
 .equ            ECCCTL,     0x0fffef020   /* DRAM ECC control register */
+.equ            ECCINT,     0x0fffefd18   /* DRAM ECC nmi-INT mapping */
 .equ            DBCTL,      0x0fffef040   /* DRAM buffer control register */
 
 .equ            CACHELINESZ, 0x00000010   /* size of our cache line (read buffer) */
@@ -459,6 +460,12 @@ emptybank:
 	incl    %edi
 	loop    cleanuplp
 
+#if defined CFG_SDRAM_DRCTMCTL
+	/* just have your hardware desinger _GIVE_ you what you need here! */
+	movl    $DRCTMCTL, %edi   
+	movb    $CFG_SDRAM_DRCTMCTL,%al
+	movb    (%edi), %al
+#else
 #if defined(CFG_SDRAM_CAS_LATENCY_2T) || defined(CFG_SDRAM_CAS_LATENCY_3T)
 	/* set the CAS latency now since it is hard to do
 	 * when we run from the RAM */
@@ -470,7 +477,8 @@ emptybank:
 #ifdef CFG_SDRAM_CAS_LATENCY_3T
 	orb     $0x10, %al
 #endif
-	movb    %al, (%edi)
+	movb    %al, (%edi) 
+#endif
 #endif
 	movl    $DRCCTL, %edi            /* DRAM Control register */
 	movb    $0x3,%al                 /* Load mode register cmd */
@@ -528,9 +536,49 @@ bank0: 	movl	(%edi), %eax
 	shll	$22, %eax
 	movl	%eax, %ebx
 
-done:	movl	%ebx, %eax
 
+done:	
+	movl	%ebx, %eax
+
+#if CFG_SDRAM_ECC_ENABLE
+	/* A nominal memory test: just a byte at each address line */
+	movl    %eax, %ecx
+	shrl    $0x1, %ecx
+	movl	$0x1, %edi
+memtest0:
+	movb	$0xa5, (%edi)
+	cmpb    $0xa5, (%edi) 
+	jne	out
+	shrl	$1, %ecx
+	andl	%ecx,%ecx
+	jz	set_ecc
+	shll	$1, %edi
+	jmp	memtest0
+
+set_ecc:
+	/* clear all ram with a memset */
+	movl	%eax, %ecx
+	xorl	%esi, %esi
+	xorl	%edi, %edi
+	xorl	%eax, %eax
+	shrl	$2, %ecx
+	cld
+	rep 	stosl
+			/* enable read, write buffers */
+	movb    $0x11, %al
+	movl    $DBCTL, %edi
+	movb    %al, (%edi)
+			/* enable NMI mapping for ECC */
+	movl    $ECCINT, %edi
+	mov	$0x10, %al
+	movb    %al, (%edi) 
+			/* Turn on ECC */
+	movl    $ECCCTL, %edi
+	mov	$0x05, %al
+	movb    %al, (%edi) 
+#endif
+out:
+	movl	%ebx, %eax
 	jmp	*%ebp
 
-
 #endif /* CONFIG_SC520 */

drivers/dm9000x.c

@@ -436,6 +436,9 @@ eth_rx(void)
 	u8 rxbyte, *rdptr = (u8 *) NetRxPackets[0];
 	u16 RxStatus, RxLen = 0;
 	u32 tmplen, i;
+#ifdef CONFIG_DM9000_USE_32BIT
+	u32 tmpdata;
+#endif
 
 	/* Check packet ready or not */
 	DM9000_ior(DM9000_MRCMDX);	/* Dummy read */

include/common.h

@@ -603,7 +603,7 @@ void	show_boot_progress (int status);
 #endif
 
 #ifdef CONFIG_INIT_CRITICAL
-#error CONFIG_INIT_CRITICAL is depracted!
+#error CONFIG_INIT_CRITICAL is deprecated!
 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README.
 #endif
 

include/fat.h

@@ -175,15 +175,19 @@ typedef struct dir_slot {
 	__u8    name11_12[4];	/* Last 2 characters in name */
 } dir_slot;
 
-/* Private filesystem parameters */
+/* Private filesystem parameters
+ *
+ * Note: FAT buffer has to be 32 bit aligned
+ * (see FAT32 accesses)
+ */
 typedef struct {
+	__u8	fatbuf[FATBUFSIZE]; /* Current FAT buffer */
 	int	fatsize;	/* Size of FAT in bits */
 	__u16	fatlength;	/* Length of FAT in sectors */
 	__u16	fat_sect;	/* Starting sector of the FAT */
 	__u16	rootdir_sect;	/* Start sector of root directory */
 	__u16	clust_size;	/* Size of clusters in sectors */
 	short	data_begin;	/* The sector of the first cluster, can be negative */
-	__u8	fatbuf[FATBUFSIZE]; /* Current FAT buffer */
 	int	fatbufnum;	/* Used by get_fatent, init to -1 */
 } fsdata;
 

net/tftp.c

@@ -225,7 +225,7 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
 		if (TftpBlock == 0) {
 			TftpBlockWrap++;
 			TftpBlockWrapOffset += TFTP_BLOCK_SIZE * TFTP_SEQUENCE_SIZE;
-			printf ("\n\t %lu MB reveived\n\t ", TftpBlockWrapOffset>>20);
+			printf ("\n\t %lu MB received\n\t ", TftpBlockWrapOffset>>20);
 		} else {
 			if (((TftpBlock - 1) % 10) == 0) {
 				putc ('#');