Merge git://git.infradead.org/mtd-2.6

[linux-2.6] / drivers / mtd / nand / bf5xx_nand.c

diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c
index a52f3a737c39a606e0832b3db47f19effa274a83..747042ab094a6b101e558a4f379ff9b2848a81c1 100644 (file)
--- a/drivers/mtd/nand/bf5xx_nand.c
+++ b/drivers/mtd/nand/bf5xx_nand.c
@@ -74,7 +74,22 @@ static int hardware_ecc = 1;
 static int hardware_ecc;
 #endif
 
-static unsigned short bfin_nfc_pin_req[] = {P_NAND_CE, P_NAND_RB, 0};
+static unsigned short bfin_nfc_pin_req[] =
+       {P_NAND_CE,
+        P_NAND_RB,
+        P_NAND_D0,
+        P_NAND_D1,
+        P_NAND_D2,
+        P_NAND_D3,
+        P_NAND_D4,
+        P_NAND_D5,
+        P_NAND_D6,
+        P_NAND_D7,
+        P_NAND_WE,
+        P_NAND_RE,
+        P_NAND_CLE,
+        P_NAND_ALE,
+        0};
 
 /*
  * Data structures for bf5xx nand flash controller driver
@@ -278,7 +293,6 @@ static int bf5xx_nand_calculate_ecc(struct mtd_info *mtd,
        u16 ecc0, ecc1;
        u32 code[2];
        u8 *p;
-       int bytes = 3, i;
 
        /* first 4 bytes ECC code for 256 page size */
        ecc0 = bfin_read_NFC_ECC0();
@@ -288,19 +302,24 @@ static int bf5xx_nand_calculate_ecc(struct mtd_info *mtd,
 
        dev_dbg(info->device, "returning ecc 0x%08x\n", code[0]);
 
+       /* first 3 bytes in ecc_code for 256 page size */
+       p = (u8 *) code;
+       memcpy(ecc_code, p, 3);
+
        /* second 4 bytes ECC code for 512 page size */
        if (page_size == 512) {
                ecc0 = bfin_read_NFC_ECC2();
                ecc1 = bfin_read_NFC_ECC3();
                code[1] = (ecc0 & 0x3FF) | ((ecc1 & 0x3FF) << 11);
-               bytes = 6;
+
+               /* second 3 bytes in ecc_code for second 256
+                * bytes of 512 page size
+                */
+               p = (u8 *) (code + 1);
+               memcpy((ecc_code + 3), p, 3);
                dev_dbg(info->device, "returning ecc 0x%08x\n", code[1]);
        }
 
-       p = (u8 *)code;
-       for (i = 0; i < bytes; i++)
-               ecc_code[i] = p[i];
-
        return 0;
 }
 
@@ -507,12 +526,13 @@ static int bf5xx_nand_dma_init(struct bf5xx_nand_info *info)
 
        init_completion(&info->dma_completion);
 
+#ifdef CONFIG_BF54x
        /* Setup DMAC1 channel mux for NFC which shared with SDH */
        val = bfin_read_DMAC1_PERIMUX();
        val &= 0xFFFE;
        bfin_write_DMAC1_PERIMUX(val);
        SSYNC();
-
+#endif
        /* Request NFC DMA channel */
        ret = request_dma(CH_NFC, "BF5XX NFC driver");
        if (ret < 0) {
@@ -744,9 +764,6 @@ static int bf5xx_nand_resume(struct platform_device *dev)
 {
        struct bf5xx_nand_info *info = platform_get_drvdata(dev);
 
-       if (info)
-               bf5xx_nand_hw_init(info);
-
        return 0;
 }