X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=disk%2Fpart.c;h=8ca5d4bdfc7a7203dede5d7b6bc6f8a226ca0b5a;hb=c9b2feafaaf0a7998347589f9a29f7169873af6e;hp=fdc49d339c1952d002cad1f89f591f7cd84178b4;hpb=8206bfae3ab7f99965136384360ba2de0c6f4c3b;p=u-boot

diff --git a/disk/part.c b/disk/part.c
index fdc49d339c..8ca5d4bdfc 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -35,6 +35,7 @@
 #endif
 
 #if (defined(CONFIG_CMD_IDE) || \
+     defined(CONFIG_CMD_MG_DISK) || \
      defined(CONFIG_CMD_SATA) || \
      defined(CONFIG_CMD_SCSI) || \
      defined(CONFIG_CMD_USB) || \
@@ -64,6 +65,9 @@ static const struct block_drvr block_drvr[] = {
 #endif
 #if defined(CONFIG_SYSTEMACE)
 	{ .name = "ace", .get_dev = systemace_get_dev, },
+#endif
+#if defined(CONFIG_CMD_MG_DISK)
+	{ .name = "mgd", .get_dev = mg_disk_get_dev, },
 #endif
 	{ },
 };
@@ -74,10 +78,23 @@ block_dev_desc_t *get_dev(char* ifname, int dev)
 {
 	const struct block_drvr *drvr = block_drvr;
 	block_dev_desc_t* (*reloc_get_dev)(int dev);
+	char *name;
+
+	if (!ifname)
+		return NULL;
 
+	name = drvr->name;
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+	name += gd->reloc_off;
+#endif
 	while (drvr->name) {
-		reloc_get_dev = drvr->get_dev + gd->reloc_off;
-		if (strncmp(ifname, drvr->name, strlen(drvr->name)) == 0)
+		name = drvr->name;
+		reloc_get_dev = drvr->get_dev;
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+		name += gd->reloc_off;
+		reloc_get_dev += gd->reloc_off;
+#endif
+		if (strncmp(ifname, name, strlen(name)) == 0)
 			return reloc_get_dev(dev);
 		drvr++;
 	}
@@ -91,6 +108,7 @@ block_dev_desc_t *get_dev(char* ifname, int dev)
 #endif
 
 #if (defined(CONFIG_CMD_IDE) || \
+     defined(CONFIG_CMD_MG_DISK) || \
      defined(CONFIG_CMD_SATA) || \
      defined(CONFIG_CMD_SCSI) || \
      defined(CONFIG_CMD_USB) || \
@@ -101,14 +119,36 @@ block_dev_desc_t *get_dev(char* ifname, int dev)
 /*
  * reports device info to the user
  */
-void dev_print (block_dev_desc_t *dev_desc)
-{
+
 #ifdef CONFIG_LBA48
-	uint64_t lba512; /* number of blocks if 512bytes block size */
+typedef uint64_t lba512_t;
 #else
-	lbaint_t lba512;
+typedef lbaint_t lba512_t;
 #endif
 
+/*
+ * Overflowless variant of (block_count * mul_by / div_by)
+ * when div_by > mul_by
+ */
+static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t div_by)
+{
+	lba512_t bc_quot, bc_rem;
+
+	/* x * m / d == x / d * m + (x % d) * m / d */
+	bc_quot = block_count / div_by;
+	bc_rem  = block_count - div_by * bc_quot;
+	return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
+}
+
+void dev_print (block_dev_desc_t *dev_desc)
+{
+	lba512_t lba512; /* number of blocks if 512bytes block size */
+
+	if (dev_desc->type == DEV_TYPE_UNKNOWN) {
+		puts ("not available\n");
+		return;
+	}
+
 	switch (dev_desc->if_type) {
 	case IF_TYPE_SCSI:
 		printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
@@ -171,8 +211,9 @@ void dev_print (block_dev_desc_t *dev_desc)
 		lba = dev_desc->lba;
 
 		lba512 = (lba * (dev_desc->blksz/512));
-		mb = (10 * lba512) / 2048;	/* 2048 = (1024 * 1024) / 512 MB */
 		/* round to 1 digit */
+		mb = lba512_muldiv(lba512, 10, 2048);	/* 2048 = (1024 * 1024) / 512 MB */
+
 		mb_quot	= mb / 10;
 		mb_rem	= mb - (10 * mb_quot);
 
@@ -183,7 +224,7 @@ void dev_print (block_dev_desc_t *dev_desc)
 		if (dev_desc->lba48)
 			printf ("            Supports 48-bit addressing\n");
 #endif
-#if defined(CONFIG_SYS_64BIT_LBA) && defined(CONFIG_SYS_64BIT_VSPRINTF)
+#if defined(CONFIG_SYS_64BIT_LBA)
 		printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%Ld x %ld)\n",
 			mb_quot, mb_rem,
 			gb_quot, gb_rem,
@@ -203,11 +244,12 @@ void dev_print (block_dev_desc_t *dev_desc)
 #endif
 
 #if (defined(CONFIG_CMD_IDE) || \
+     defined(CONFIG_CMD_MG_DISK) || \
      defined(CONFIG_CMD_SATA) || \
      defined(CONFIG_CMD_SCSI) || \
      defined(CONFIG_CMD_USB) || \
      defined(CONFIG_MMC)		|| \
-     defined(CONFIG_SYSTEMACE)          )
+     defined(CONFIG_SYSTEMACE) )
 
 #if defined(CONFIG_MAC_PARTITION) || \
     defined(CONFIG_DOS_PARTITION) || \
@@ -332,6 +374,9 @@ static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
 	case IF_TYPE_DOC:
 		puts ("DOC");
 		break;
+	case IF_TYPE_MMC:
+		puts ("MMC");
+		break;
 	default:
 		puts ("UNKNOWN");
 		break;