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authorGrant Likely <grant.likely@secretlab.ca>2007-02-20 09:04:34 +0100
committerStefan Roese <sr@denx.de>2007-02-20 09:04:34 +0100
commit735dd97b1b20e777d059c7b389fe9d70cd3f80c7 (patch)
treeeb62a0abe8bdea88c563380c302a88fa64eff151
parent620d3c9a14affca29a5c4e575e9f355c2bd4aed2 (diff)
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[PATCH 1_4] Merge common get_dev() routines for block devices
Each of the filesystem drivers duplicate the get_dev routine. This change merges them into a single function in part.c Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
-rw-r--r--board/esd/common/auto_update.c3
-rw-r--r--board/mcc200/auto_update.c3
-rw-r--r--board/mpl/mip405/mip405.c3
-rw-r--r--board/trab/auto_update.c1
-rw-r--r--common/cmd_ext2.c40
-rw-r--r--common/cmd_fat.c37
-rw-r--r--common/cmd_ide.c8
-rw-r--r--common/cmd_reiser.c40
-rw-r--r--common/cmd_scsi.c2
-rw-r--r--common/cmd_usb.c1
-rw-r--r--common/usb_storage.c3
-rw-r--r--cpu/pxa/mmc.c2
-rw-r--r--disk/part.c49
-rw-r--r--include/ide.h6
-rw-r--r--include/part.h9
15 files changed, 82 insertions, 125 deletions
diff --git a/board/esd/common/auto_update.c b/board/esd/common/auto_update.c
index 5cd342332f..001fd68da4 100644
--- a/board/esd/common/auto_update.c
+++ b/board/esd/common/auto_update.c
@@ -33,6 +33,7 @@
#include <asm/byteorder.h>
#include <linux/mtd/nand_legacy.h>
#include <fat.h>
+#include <part.h>
#include "auto_update.h"
@@ -71,8 +72,6 @@ extern int transfer_pic(unsigned char, unsigned char *, int, int);
extern int flash_sect_erase(ulong, ulong);
extern int flash_sect_protect (int, ulong, ulong);
extern int flash_write (char *, ulong, ulong);
-/* change char* to void* to shutup the compiler */
-extern block_dev_desc_t *get_dev (char*, int);
#if (CONFIG_COMMANDS & CFG_CMD_NAND) && defined(CFG_NAND_LEGACY)
/* references to names in cmd_nand.c */
diff --git a/board/mcc200/auto_update.c b/board/mcc200/auto_update.c
index 12091fd782..df003fe8be 100644
--- a/board/mcc200/auto_update.c
+++ b/board/mcc200/auto_update.c
@@ -23,6 +23,7 @@
#include <image.h>
#include <asm/byteorder.h>
#include <usb.h>
+#include <part.h>
#ifdef CFG_HUSH_PARSER
#include <hush.h>
@@ -128,8 +129,6 @@ extern int i2c_read (unsigned char, unsigned int, int , unsigned char* , int);
extern int flash_sect_erase(ulong, ulong);
extern int flash_sect_protect (int, ulong, ulong);
extern int flash_write (char *, ulong, ulong);
-/* change char* to void* to shutup the compiler */
-extern block_dev_desc_t *get_dev (char*, int);
extern int u_boot_hush_start(void);
int au_check_cksum_valid(int idx, long nbytes)
diff --git a/board/mpl/mip405/mip405.c b/board/mpl/mip405/mip405.c
index 34f328999d..13249787db 100644
--- a/board/mpl/mip405/mip405.c
+++ b/board/mpl/mip405/mip405.c
@@ -73,9 +73,6 @@
DECLARE_GLOBAL_DATA_PTR;
-extern block_dev_desc_t * scsi_get_dev(int dev);
-extern block_dev_desc_t * ide_get_dev(int dev);
-
#undef SDRAM_DEBUG
#define ENABLE_ECC /* for ecc boards */
#define FALSE 0
diff --git a/board/trab/auto_update.c b/board/trab/auto_update.c
index d2c8d44a79..f4074aecb1 100644
--- a/board/trab/auto_update.c
+++ b/board/trab/auto_update.c
@@ -203,7 +203,6 @@ extern int flash_write (char *, ulong, ulong);
/* change char* to void* to shutup the compiler */
extern int i2c_write_multiple (uchar, uint, int, void *, int);
extern int i2c_read_multiple (uchar, uint, int, void *, int);
-extern block_dev_desc_t *get_dev (char*, int);
extern int u_boot_hush_start(void);
int
diff --git a/common/cmd_ext2.c b/common/cmd_ext2.c
index 5db42f2b0d..94bd9b61e6 100644
--- a/common/cmd_ext2.c
+++ b/common/cmd_ext2.c
@@ -33,6 +33,7 @@
* Ext2fs support
*/
#include <common.h>
+#include <part.h>
#if (CONFIG_COMMANDS & CFG_CMD_EXT2)
#include <config.h>
@@ -57,41 +58,6 @@
#define PRINTF(fmt,args...)
#endif
-static block_dev_desc_t *get_dev (char* ifname, int dev)
-{
-#if (CONFIG_COMMANDS & CFG_CMD_IDE)
- if (strncmp(ifname,"ide",3)==0) {
- extern block_dev_desc_t * ide_get_dev(int dev);
- return((dev >= CFG_IDE_MAXDEVICE) ? NULL : ide_get_dev(dev));
- }
-#endif
-#if (CONFIG_COMMANDS & CFG_CMD_SCSI)
- if (strncmp(ifname,"scsi",4)==0) {
- extern block_dev_desc_t * scsi_get_dev(int dev);
- return((dev >= CFG_SCSI_MAXDEVICE) ? NULL : scsi_get_dev(dev));
- }
-#endif
-#if ((CONFIG_COMMANDS & CFG_CMD_USB) && defined(CONFIG_USB_STORAGE))
- if (strncmp(ifname,"usb",3)==0) {
- extern block_dev_desc_t * usb_stor_get_dev(int dev);
- return((dev >= USB_MAX_STOR_DEV) ? NULL : usb_stor_get_dev(dev));
- }
-#endif
-#if defined(CONFIG_MMC)
- if (strncmp(ifname,"mmc",3)==0) {
- extern block_dev_desc_t * mmc_get_dev(int dev);
- return((dev >= 1) ? NULL : mmc_get_dev(dev));
- }
-#endif
-#if defined(CONFIG_SYSTEMACE)
- if (strcmp(ifname,"ace")==0) {
- extern block_dev_desc_t * systemace_get_dev(int dev);
- return((dev >= 1) ? NULL : systemace_get_dev(dev));
- }
-#endif
- return(NULL);
-}
-
int do_ext2ls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
char *filename = "/";
@@ -106,7 +72,7 @@ int do_ext2ls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
return(1);
}
dev = (int)simple_strtoul (argv[2], &ep, 16);
- dev_desc=get_dev(argv[1],dev);
+ dev_desc = get_dev(argv[1],dev);
if (dev_desc == NULL) {
printf ("\n** Block device %s %d not supported\n", argv[1], dev);
@@ -210,7 +176,7 @@ int do_ext2load (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
}
dev = (int)simple_strtoul (argv[2], &ep, 16);
- dev_desc=get_dev(argv[1],dev);
+ dev_desc = get_dev(argv[1],dev);
if (dev_desc==NULL) {
printf ("\n** Block device %s %d not supported\n", argv[1], dev);
return(1);
diff --git a/common/cmd_fat.c b/common/cmd_fat.c
index 6844c103f2..afaf299569 100644
--- a/common/cmd_fat.c
+++ b/common/cmd_fat.c
@@ -29,6 +29,7 @@
#include <s_record.h>
#include <net.h>
#include <ata.h>
+#include <part.h>
#if (CONFIG_COMMANDS & CFG_CMD_FAT)
@@ -37,42 +38,6 @@
#include <fat.h>
-block_dev_desc_t *get_dev (char* ifname, int dev)
-{
-#if (CONFIG_COMMANDS & CFG_CMD_IDE)
- if (strncmp(ifname,"ide",3)==0) {
- extern block_dev_desc_t * ide_get_dev(int dev);
- return(ide_get_dev(dev));
- }
-#endif
-#if (CONFIG_COMMANDS & CFG_CMD_SCSI)
- if (strncmp(ifname,"scsi",4)==0) {
- extern block_dev_desc_t * scsi_get_dev(int dev);
- return(scsi_get_dev(dev));
- }
-#endif
-#if ((CONFIG_COMMANDS & CFG_CMD_USB) && defined(CONFIG_USB_STORAGE))
- if (strncmp(ifname,"usb",3)==0) {
- extern block_dev_desc_t * usb_stor_get_dev(int dev);
- return(usb_stor_get_dev(dev));
- }
-#endif
-#if defined(CONFIG_MMC)
- if (strncmp(ifname,"mmc",3)==0) {
- extern block_dev_desc_t * mmc_get_dev(int dev);
- return(mmc_get_dev(dev));
- }
-#endif
-#if defined(CONFIG_SYSTEMACE)
- if (strcmp(ifname,"ace")==0) {
- extern block_dev_desc_t * systemace_get_dev(int dev);
- return(systemace_get_dev(dev));
- }
-#endif
- return NULL;
-}
-
-
int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
long size;
diff --git a/common/cmd_ide.c b/common/cmd_ide.c
index a4155029a7..ebc080c72a 100644
--- a/common/cmd_ide.c
+++ b/common/cmd_ide.c
@@ -31,20 +31,26 @@
#include <command.h>
#include <image.h>
#include <asm/byteorder.h>
+
#if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
# include <pcmcia.h>
#endif
+
#ifdef CONFIG_8xx
# include <mpc8xx.h>
#endif
+
#ifdef CONFIG_MPC5xxx
#include <mpc5xxx.h>
#endif
+
#include <ide.h>
#include <ata.h>
+
#ifdef CONFIG_STATUS_LED
# include <status_led.h>
#endif
+
#ifndef __PPC__
#include <asm/io.h>
#ifdef __MIPS__
@@ -697,7 +703,7 @@ void ide_init (void)
block_dev_desc_t * ide_get_dev(int dev)
{
- return ((block_dev_desc_t *)&ide_dev_desc[dev]);
+ return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
}
diff --git a/common/cmd_reiser.c b/common/cmd_reiser.c
index 508ffcbdac..09c86e66d7 100644
--- a/common/cmd_reiser.c
+++ b/common/cmd_reiser.c
@@ -35,6 +35,7 @@
#include <linux/ctype.h>
#include <asm/byteorder.h>
#include <reiserfs.h>
+#include <part.h>
#ifndef CONFIG_DOS_PARTITION
#error DOS partition support must be selected
@@ -48,41 +49,6 @@
#define PRINTF(fmt,args...)
#endif
-static block_dev_desc_t *get_dev (char* ifname, int dev)
-{
-#if (CONFIG_COMMANDS & CFG_CMD_IDE)
- if (strncmp(ifname,"ide",3)==0) {
- extern block_dev_desc_t * ide_get_dev(int dev);
- return((dev >= CFG_IDE_MAXDEVICE) ? NULL : ide_get_dev(dev));
- }
-#endif
-#if (CONFIG_COMMANDS & CFG_CMD_SCSI)
- if (strncmp(ifname,"scsi",4)==0) {
- extern block_dev_desc_t * scsi_get_dev(int dev);
- return((dev >= CFG_SCSI_MAXDEVICE) ? NULL : scsi_get_dev(dev));
- }
-#endif
-#if ((CONFIG_COMMANDS & CFG_CMD_USB) && defined(CONFIG_USB_STORAGE))
- if (strncmp(ifname,"usb",3)==0) {
- extern block_dev_desc_t * usb_stor_get_dev(int dev);
- return((dev >= USB_MAX_STOR_DEV) ? NULL : usb_stor_get_dev(dev));
- }
-#endif
-#if defined(CONFIG_MMC)
- if (strncmp(ifname,"mmc",3)==0) {
- extern block_dev_desc_t * mmc_get_dev(int dev);
- return((dev >= 1) ? NULL : mmc_get_dev(dev));
- }
-#endif
-#if defined(CONFIG_SYSTEMACE)
- if (strcmp(ifname,"ace")==0) {
- extern block_dev_desc_t * systemace_get_dev(int dev);
- return((dev >= 1) ? NULL : systemace_get_dev(dev));
- }
-#endif
- return NULL;
-}
-
int do_reiserls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
char *filename = "/";
@@ -97,7 +63,7 @@ int do_reiserls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
return 1;
}
dev = (int)simple_strtoul (argv[2], &ep, 16);
- dev_desc=get_dev(argv[1],dev);
+ dev_desc = get_dev(argv[1],dev);
if (dev_desc == NULL) {
printf ("\n** Block device %s %d not supported\n", argv[1], dev);
@@ -196,7 +162,7 @@ int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
}
dev = (int)simple_strtoul (argv[2], &ep, 16);
- dev_desc=get_dev(argv[1],dev);
+ dev_desc = get_dev(argv[1],dev);
if (dev_desc==NULL) {
printf ("\n** Block device %s %d not supported\n", argv[1], dev);
return 1;
diff --git a/common/cmd_scsi.c b/common/cmd_scsi.c
index cc08743d5d..b17bebbacf 100644
--- a/common/cmd_scsi.c
+++ b/common/cmd_scsi.c
@@ -194,7 +194,7 @@ void scsi_init(void)
block_dev_desc_t * scsi_get_dev(int dev)
{
- return((block_dev_desc_t *)&scsi_dev_desc[dev]);
+ return (dev < CFG_SCSI_MAX_DEVICE) ? &scsi_dev_desc[dev] : NULL;
}
diff --git a/common/cmd_usb.c b/common/cmd_usb.c
index 28c05aa20e..904df7159f 100644
--- a/common/cmd_usb.c
+++ b/common/cmd_usb.c
@@ -28,6 +28,7 @@
#include <common.h>
#include <command.h>
#include <asm/byteorder.h>
+#include <part.h>
#if (CONFIG_COMMANDS & CFG_CMD_USB)
diff --git a/common/usb_storage.c b/common/usb_storage.c
index 06ea99b2f1..b4b7914089 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -56,6 +56,7 @@
#if (CONFIG_COMMANDS & CFG_CMD_USB)
+#include <part.h>
#include <usb.h>
#ifdef CONFIG_USB_STORAGE
@@ -174,7 +175,7 @@ void uhci_show_temp_int_td(void);
block_dev_desc_t *usb_stor_get_dev(int index)
{
- return &usb_dev_desc[index];
+ return (index < USB_MAX_STOR_DEV) ? &usb_dev_desc[index] : NULL;
}
diff --git a/cpu/pxa/mmc.c b/cpu/pxa/mmc.c
index f7020eec95..c57d0d5c32 100644
--- a/cpu/pxa/mmc.c
+++ b/cpu/pxa/mmc.c
@@ -37,7 +37,7 @@ static block_dev_desc_t mmc_dev;
block_dev_desc_t * mmc_get_dev(int dev)
{
- return ((block_dev_desc_t *)&mmc_dev);
+ return (dev == 0) ? &mmc_dev : NULL;
}
/*
diff --git a/disk/part.c b/disk/part.c
index 2255e726cf..f1026c5ef2 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -24,6 +24,7 @@
#include <common.h>
#include <command.h>
#include <ide.h>
+#include <part.h>
#undef PART_DEBUG
@@ -39,6 +40,54 @@
defined(CONFIG_MMC) || \
defined(CONFIG_SYSTEMACE) )
+struct block_drvr {
+ char *name;
+ block_dev_desc_t* (*get_dev)(int dev);
+};
+
+static const struct block_drvr block_drvr[] = {
+#if (CONFIG_COMMANDS & CFG_CMD_IDE)
+ { .name = "ide", .get_dev = ide_get_dev, },
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_SCSI)
+ { .name = "scsi", .get_dev = scsi_get_dev, },
+#endif
+#if ((CONFIG_COMMANDS & CFG_CMD_USB) && defined(CONFIG_USB_STORAGE))
+ { .name = "usb", .get_dev = usb_stor_get_dev, },
+#endif
+#if defined(CONFIG_MMC)
+ { .name = "mmc", .get_dev = mmc_get_dev, },
+#endif
+#if defined(CONFIG_SYSTEMACE)
+ { .name = "ace", .get_dev = systemace_get_dev, },
+#endif
+ { },
+};
+
+block_dev_desc_t *get_dev(char* ifname, int dev)
+{
+ const struct block_drvr *drvr = block_drvr;
+
+ while (drvr->name) {
+ if (strncmp(ifname, drvr->name, strlen(drvr->name)) == 0)
+ return drvr->get_dev(dev);
+ drvr++;
+ }
+ return NULL;
+}
+#else
+block_dev_desc_t *get_dev(char* ifname, int dev)
+{
+ return NULL;
+}
+#endif
+
+#if ((CONFIG_COMMANDS & CFG_CMD_IDE) || \
+ (CONFIG_COMMANDS & CFG_CMD_SCSI) || \
+ (CONFIG_COMMANDS & CFG_CMD_USB) || \
+ defined(CONFIG_MMC) || \
+ defined(CONFIG_SYSTEMACE) )
+
/* ------------------------------------------------------------------------- */
/*
* reports device info to the user
diff --git a/include/ide.h b/include/ide.h
index dfef32f267..e29ed36de0 100644
--- a/include/ide.h
+++ b/include/ide.h
@@ -48,8 +48,8 @@ typedef ulong lbaint_t;
* Function Prototypes
*/
-void ide_init (void);
-ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
-ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
+void ide_init(void);
+ulong ide_read(int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
+ulong ide_write(int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
#endif /* _IDE_H */
diff --git a/include/part.h b/include/part.h
index 318aa3cb3f..f89ebc6e73 100644
--- a/include/part.h
+++ b/include/part.h
@@ -22,6 +22,7 @@
*/
#ifndef _PART_H
#define _PART_H
+
#include <ide.h>
typedef struct block_dev_desc {
@@ -83,6 +84,14 @@ typedef struct disk_partition {
uchar type[32]; /* string type description */
} disk_partition_t;
+/* Misc _get_dev functions */
+block_dev_desc_t* get_dev(char* ifname, int dev);
+block_dev_desc_t* ide_get_dev(int dev);
+block_dev_desc_t* scsi_get_dev(int dev);
+block_dev_desc_t* usb_stor_get_dev(int dev);
+block_dev_desc_t* mmc_get_dev(int dev);
+block_dev_desc_t* systemace_get_dev(int dev);
+
/* disk/part.c */
int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
void print_part (block_dev_desc_t *dev_desc);