X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fmtd%2Fnand%2Ffsl_elbc_nand.c;h=b3c23b03390f5f526ea9a4bea4bd8d964669168d;hb=2dc5b553b9bcd701bd7abd60f99f407cb0c37762;hp=b3a0edbf149e3cce93ed1af462ca011808c1bee8;hpb=6b8583b0adac6c8119d2fc6fd4f03ed8373b5d42;p=oweals%2Fu-boot.git

diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index b3a0edbf14..b3c23b0339 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -17,7 +17,7 @@
 #include <linux/mtd/nand_ecc.h>
 
 #include <asm/io.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 
 #ifdef VERBOSE_DEBUG
 #define DEBUG_ELBC
@@ -154,8 +154,8 @@ static struct nand_bbt_descr bbt_mirror_descr = {
  */
 static void set_addr(struct mtd_info *mtd, int column, int page_addr, int oob)
 {
-	struct nand_chip *chip = mtd->priv;
-	struct fsl_elbc_mtd *priv = chip->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
+	struct fsl_elbc_mtd *priv = nand_get_controller_data(chip);
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
 	fsl_lbc_t *lbc = ctrl->regs;
 	int buf_num;
@@ -194,8 +194,8 @@ static void set_addr(struct mtd_info *mtd, int column, int page_addr, int oob)
  */
 static int fsl_elbc_run_command(struct mtd_info *mtd)
 {
-	struct nand_chip *chip = mtd->priv;
-	struct fsl_elbc_mtd *priv = chip->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
+	struct fsl_elbc_mtd *priv = nand_get_controller_data(chip);
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
 	fsl_lbc_t *lbc = ctrl->regs;
 	u32 timeo = (CONFIG_SYS_HZ * 10) / 1000;
@@ -246,7 +246,7 @@ static int fsl_elbc_run_command(struct mtd_info *mtd)
 
 static void fsl_elbc_do_read(struct nand_chip *chip, int oob)
 {
-	struct fsl_elbc_mtd *priv = chip->priv;
+	struct fsl_elbc_mtd *priv = nand_get_controller_data(chip);
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
 	fsl_lbc_t *lbc = ctrl->regs;
 
@@ -279,8 +279,8 @@ static void fsl_elbc_do_read(struct nand_chip *chip, int oob)
 static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command,
 			     int column, int page_addr)
 {
-	struct nand_chip *chip = mtd->priv;
-	struct fsl_elbc_mtd *priv = chip->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
+	struct fsl_elbc_mtd *priv = nand_get_controller_data(chip);
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
 	fsl_lbc_t *lbc = ctrl->regs;
 
@@ -489,8 +489,8 @@ static void fsl_elbc_select_chip(struct mtd_info *mtd, int chip)
  */
 static void fsl_elbc_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
 {
-	struct nand_chip *chip = mtd->priv;
-	struct fsl_elbc_mtd *priv = chip->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
+	struct fsl_elbc_mtd *priv = nand_get_controller_data(chip);
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
 	unsigned int bufsize = mtd->writesize + mtd->oobsize;
 
@@ -526,8 +526,8 @@ static void fsl_elbc_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
  */
 static u8 fsl_elbc_read_byte(struct mtd_info *mtd)
 {
-	struct nand_chip *chip = mtd->priv;
-	struct fsl_elbc_mtd *priv = chip->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
+	struct fsl_elbc_mtd *priv = nand_get_controller_data(chip);
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
 
 	/* If there are still bytes in the FCM, then use the next byte. */
@@ -543,8 +543,8 @@ static u8 fsl_elbc_read_byte(struct mtd_info *mtd)
  */
 static void fsl_elbc_read_buf(struct mtd_info *mtd, u8 *buf, int len)
 {
-	struct nand_chip *chip = mtd->priv;
-	struct fsl_elbc_mtd *priv = chip->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
+	struct fsl_elbc_mtd *priv = nand_get_controller_data(chip);
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
 	int avail;
 
@@ -566,7 +566,7 @@ static void fsl_elbc_read_buf(struct mtd_info *mtd, u8 *buf, int len)
  */
 static int fsl_elbc_wait(struct mtd_info *mtd, struct nand_chip *chip)
 {
-	struct fsl_elbc_mtd *priv = chip->priv;
+	struct fsl_elbc_mtd *priv = nand_get_controller_data(chip);
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
 	fsl_lbc_t *lbc = ctrl->regs;
 
@@ -611,7 +611,8 @@ static int fsl_elbc_read_page(struct mtd_info *mtd, struct nand_chip *chip,
  * waitfunc.
  */
 static int fsl_elbc_write_page(struct mtd_info *mtd, struct nand_chip *chip,
-				const uint8_t *buf, int oob_required)
+				const uint8_t *buf, int oob_required,
+				int page)
 {
 	fsl_elbc_write_buf(mtd, buf, mtd->writesize);
 	fsl_elbc_write_buf(mtd, chip->oob_poi, mtd->oobsize);
@@ -621,6 +622,19 @@ static int fsl_elbc_write_page(struct mtd_info *mtd, struct nand_chip *chip,
 
 static struct fsl_elbc_ctrl *elbc_ctrl;
 
+/* ECC will be calculated automatically, and errors will be detected in
+ * waitfunc.
+ */
+static int fsl_elbc_write_subpage(struct mtd_info *mtd, struct nand_chip *chip,
+				uint32_t offset, uint32_t data_len,
+				const uint8_t *buf, int oob_required, int page)
+{
+	fsl_elbc_write_buf(mtd, buf, mtd->writesize);
+	fsl_elbc_write_buf(mtd, chip->oob_poi, mtd->oobsize);
+
+	return 0;
+}
+
 static void fsl_elbc_ctrl_init(void)
 {
 	elbc_ctrl = kzalloc(sizeof(*elbc_ctrl), GFP_KERNEL);
@@ -643,7 +657,7 @@ static void fsl_elbc_ctrl_init(void)
 
 static int fsl_elbc_chip_init(int devnum, u8 *addr)
 {
-	struct mtd_info *mtd = &nand_info[devnum];
+	struct mtd_info *mtd;
 	struct nand_chip *nand;
 	struct fsl_elbc_mtd *priv;
 	uint32_t br = 0, or = 0;
@@ -684,7 +698,7 @@ static int fsl_elbc_chip_init(int devnum, u8 *addr)
 	}
 
 	nand = &priv->chip;
-	mtd->priv = nand;
+	mtd = nand_to_mtd(nand);
 
 	elbc_ctrl->chips[priv->bank] = priv;
 
@@ -706,10 +720,11 @@ static int fsl_elbc_chip_init(int devnum, u8 *addr)
 	nand->bbt_options = NAND_BBT_USE_FLASH;
 
 	nand->controller = &elbc_ctrl->controller;
-	nand->priv = priv;
+	nand_set_controller_data(nand, priv);
 
 	nand->ecc.read_page = fsl_elbc_read_page;
 	nand->ecc.write_page = fsl_elbc_write_page;
+	nand->ecc.write_subpage = fsl_elbc_write_subpage;
 
 	priv->fmr = (15 << FMR_CWTO_SHIFT) | (2 << FMR_AL_SHIFT);
 
@@ -773,7 +788,7 @@ static int fsl_elbc_chip_init(int devnum, u8 *addr)
 	if (ret)
 		return ret;
 
-	ret = nand_register(devnum);
+	ret = nand_register(devnum, mtd);
 	if (ret)
 		return ret;