NAND: show manufacturer and device ID for unknown chips

[u-boot] / drivers / mtd / nand / diskonchip.c

diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
index a03f982be5f47fa1e33d23cfb9371a68f80a36df..edf3a099ba78d7148563e7328cf81e9251c1d0b0 100644 (file)
--- a/drivers/mtd/nand/diskonchip.c
+++ b/drivers/mtd/nand/diskonchip.c
@@ -15,14 +15,10 @@
  * converted to the generic Reed-Solomon library by Thomas Gleixner <tglx@linutronix.de>
  *
  * Interface to generic NAND code for M-Systems DiskOnChip devices
- *
- * $Id: diskonchip.c,v 1.55 2005/11/07 11:14:30 gleixner Exp $
  */
 
 #include <common.h>
 
-#if !defined(CFG_NAND_LEGACY)
-
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/sched.h>
@@ -58,13 +54,6 @@ static unsigned long __initdata doc_locations[] = {
        0xe0000, 0xe2000, 0xe4000, 0xe6000,
        0xe8000, 0xea000, 0xec000, 0xee000,
 #endif /*  CONFIG_MTD_DOCPROBE_HIGH */
-#elif defined(__PPC__)
-       0xe4000000,
-#elif defined(CONFIG_MOMENCO_OCELOT)
-       0x2f000000,
-       0xff000000,
-#elif defined(CONFIG_MOMENCO_OCELOT_G) || defined (CONFIG_MOMENCO_OCELOT_C)
-       0xff000000,
 #else
 #warning Unknown architecture for DiskOnChip. No default probe locations defined
 #endif
@@ -229,7 +218,7 @@ static int doc_ecc_decode(struct rs_control *rs, uint8_t *data, uint8_t *ecc)
                }
        }
        /* If the parity is wrong, no rescue possible */
-       return parity ? -1 : nerr;
+       return parity ? -EBADMSG : nerr;
 }
 
 static void DoC_Delay(struct doc_priv *doc, unsigned short cycles)
@@ -500,11 +489,11 @@ static u_char doc2001_read_byte(struct mtd_info *mtd)
        struct doc_priv *doc = this->priv;
        void __iomem *docptr = doc->virtadr;
 
-       //ReadDOC(docptr, CDSNSlowIO);
+       /*ReadDOC(docptr, CDSNSlowIO); */
        /* 11.4.5 -- delay twice to allow extended length cycle */
        DoC_Delay(doc, 2);
        ReadDOC(docptr, ReadPipeInit);
-       //return ReadDOC(docptr, Mil_CDSN_IO);
+       /*return ReadDOC(docptr, Mil_CDSN_IO); */
        return ReadDOC(docptr, LastDataRead);
 }
 
@@ -1044,14 +1033,14 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat,
                WriteDOC(DOC_ECC_DIS, docptr, Mplus_ECCConf);
        else
                WriteDOC(DOC_ECC_DIS, docptr, ECCConf);
-       if (no_ecc_failures && (ret == -1)) {
+       if (no_ecc_failures && (ret == -EBADMSG)) {
                printk(KERN_ERR "suppressing ECC failure\n");
                ret = 0;
        }
        return ret;
 }
 
-//u_char mydatabuf[528];
+/*u_char mydatabuf[528]; */
 
 /* The strange out-of-order .oobfree list below is a (possibly unneeded)
  * attempt to retain compatibility.  It used to read:
@@ -1139,9 +1128,9 @@ static inline int __init nftl_partscan(struct mtd_info *mtd, struct mtd_partitio
                goto out;
        mh = (struct NFTLMediaHeader *)buf;
 
-       mh->NumEraseUnits = le16_to_cpu(mh->NumEraseUnits);
-       mh->FirstPhysicalEUN = le16_to_cpu(mh->FirstPhysicalEUN);
-       mh->FormattedSize = le32_to_cpu(mh->FormattedSize);
+       le16_to_cpus(&mh->NumEraseUnits);
+       le16_to_cpus(&mh->FirstPhysicalEUN);
+       le32_to_cpus(&mh->FormattedSize);
 
        printk(KERN_INFO "    DataOrgID        = %s\n"
                         "    NumEraseUnits    = %d\n"
@@ -1249,12 +1238,12 @@ static inline int __init inftl_partscan(struct mtd_info *mtd, struct mtd_partiti
        doc->mh1_page = doc->mh0_page + (4096 >> this->page_shift);
        mh = (struct INFTLMediaHeader *)buf;
 
-       mh->NoOfBootImageBlocks = le32_to_cpu(mh->NoOfBootImageBlocks);
-       mh->NoOfBinaryPartitions = le32_to_cpu(mh->NoOfBinaryPartitions);
-       mh->NoOfBDTLPartitions = le32_to_cpu(mh->NoOfBDTLPartitions);
-       mh->BlockMultiplierBits = le32_to_cpu(mh->BlockMultiplierBits);
-       mh->FormatFlags = le32_to_cpu(mh->FormatFlags);
-       mh->PercentUsed = le32_to_cpu(mh->PercentUsed);
+       le32_to_cpus(&mh->NoOfBootImageBlocks);
+       le32_to_cpus(&mh->NoOfBinaryPartitions);
+       le32_to_cpus(&mh->NoOfBDTLPartitions);
+       le32_to_cpus(&mh->BlockMultiplierBits);
+       le32_to_cpus(&mh->FormatFlags);
+       le32_to_cpus(&mh->PercentUsed);
 
        printk(KERN_INFO "    bootRecordID          = %s\n"
                         "    NoOfBootImageBlocks   = %d\n"
@@ -1291,12 +1280,12 @@ static inline int __init inftl_partscan(struct mtd_info *mtd, struct mtd_partiti
        /* Scan the partitions */
        for (i = 0; (i < 4); i++) {
                ip = &(mh->Partitions[i]);
-               ip->virtualUnits = le32_to_cpu(ip->virtualUnits);
-               ip->firstUnit = le32_to_cpu(ip->firstUnit);
-               ip->lastUnit = le32_to_cpu(ip->lastUnit);
-               ip->flags = le32_to_cpu(ip->flags);
-               ip->spareUnits = le32_to_cpu(ip->spareUnits);
-               ip->Reserved0 = le32_to_cpu(ip->Reserved0);
+               le32_to_cpus(&ip->virtualUnits);
+               le32_to_cpus(&ip->firstUnit);
+               le32_to_cpus(&ip->lastUnit);
+               le32_to_cpus(&ip->flags);
+               le32_to_cpus(&ip->spareUnits);
+               le32_to_cpus(&ip->Reserved0);
 
                printk(KERN_INFO        "    PARTITION[%d] ->\n"
                        "        virtualUnits    = %d\n"
@@ -1623,11 +1612,11 @@ static int __init doc_probe(unsigned long physadr)
                if (ChipID == DOC_ChipID_DocMilPlus16) {
                        WriteDOC(~newval, virtadr, Mplus_AliasResolution);
                        oldval = ReadDOC(doc->virtadr, Mplus_AliasResolution);
-                       WriteDOC(newval, virtadr, Mplus_AliasResolution);       // restore it
+                       WriteDOC(newval, virtadr, Mplus_AliasResolution);       /* restore it */
                } else {
                        WriteDOC(~newval, virtadr, AliasResolution);
                        oldval = ReadDOC(doc->virtadr, AliasResolution);
-                       WriteDOC(newval, virtadr, AliasResolution);     // restore it
+                       WriteDOC(newval, virtadr, AliasResolution);     /* restore it */
                }
                newval = ~newval;
                if (oldval == newval) {
@@ -1788,4 +1777,3 @@ module_exit(cleanup_nanddoc);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
 MODULE_DESCRIPTION("M-Systems DiskOnChip 2000, Millennium and Millennium Plus device driver\n");
-#endif