This driver doesn't yet make use of the added flexibility (not that that
should stop anyone from converting...), but it will with the in-progress
hack to support 4k-page NAND.
Signed-off-by: Scott Wood <scottw...@freescale.com>
---
drivers/mtd/nand/fsl_elbc_nand.c | 43 +++++++++++++++++++++++++++++++++----
include/nand.h | 11 +++++++++
2 files changed, 49 insertions(+), 5 deletions(-)
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 99d1061..9076ad4 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -22,6 +22,7 @@
#include <common.h>
#include <malloc.h>
+#include <nand.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
@@ -57,7 +58,6 @@ struct fsl_elbc_ctrl;
/* mtd information per set */
struct fsl_elbc_mtd {
- struct mtd_info mtd;
struct nand_chip chip;
struct fsl_elbc_ctrl *ctrl;
@@ -686,10 +686,13 @@ static void fsl_elbc_ctrl_init(void)
elbc_ctrl->addr = NULL;
}
-int board_nand_init(struct nand_chip *nand)
+static int fsl_elbc_chip_init(int devnum, u8 *addr)
{
+ struct mtd_info *mtd = &nand_info[devnum];
+ struct nand_chip *nand;
struct fsl_elbc_mtd *priv;
uint32_t br = 0, or = 0;
+ int ret;
if (!elbc_ctrl) {
fsl_elbc_ctrl_init();
@@ -702,19 +705,19 @@ int board_nand_init(struct nand_chip *nand)
return -ENOMEM;
priv->ctrl = elbc_ctrl;
- priv->vbase = nand->IO_ADDR_R;
+ priv->vbase = addr;
/* Find which chip select it is connected to. It'd be nice
* if we could pass more than one datum to the NAND driver...
*/
for (priv->bank = 0; priv->bank < MAX_BANKS; priv->bank++) {
- phys_addr_t base_addr = virt_to_phys(nand->IO_ADDR_R);
+ phys_addr_t phys_addr = virt_to_phys(addr);
br = in_be32(&elbc_ctrl->regs->bank[priv->bank].br);
or = in_be32(&elbc_ctrl->regs->bank[priv->bank].or);
if ((br & BR_V) && (br & BR_MSEL) == BR_MS_FCM &&
- (br & or & BR_BA) == BR_PHYS_ADDR(base_addr))
+ (br & or & BR_BA) == BR_PHYS_ADDR(phys_addr))
break;
}
@@ -724,6 +727,9 @@ int board_nand_init(struct nand_chip *nand)
return -ENODEV;
}
+ nand = &priv->chip;
+ mtd->priv = nand;
+
elbc_ctrl->chips[priv->bank] = priv;
/* fill in nand_chip structure */
@@ -794,5 +800,32 @@ int board_nand_init(struct nand_chip *nand)
}
}
+ ret = nand_scan_ident(mtd, 1, NULL);
+ if (ret)
+ return ret;
+
+ ret = nand_scan_tail(mtd);
+ if (ret)
+ return ret;
+
+ ret = nand_register(devnum);
+ if (ret)
+ return ret;
+
return 0;
}
+
+#ifndef CONFIG_SYS_NAND_BASE_LIST
+#define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND_BASE }
+#endif
+
+static unsigned long base_address[CONFIG_SYS_MAX_NAND_DEVICE] =
+ CONFIG_SYS_NAND_BASE_LIST;
+
+void board_nand_init(void)
+{
+ int i;
+
+ for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
+ fsl_elbc_chip_init(i, (u8 *)base_address[i]);
+}
diff --git a/include/nand.h b/include/nand.h
index 5dd1710..8b3a1a7 100644
--- a/include/nand.h
+++ b/include/nand.h
@@ -24,6 +24,17 @@
#ifndef _NAND_H_
#define _NAND_H_
+#include <config.h>
+
+/*
+ * All boards using a given driver must convert to self-init
+ * at the same time, so do it here. When all drivers are
+ * converted, this will go away.
+ */
+#if defined(CONFIG_NAND_FSL_ELBC)
+#define CONFIG_SYS_NAND_SELF_INIT
+#endif
+
extern void nand_init(void);
#include <linux/mtd/compat.h>
--
1.7.7.rc3.4.g8d714
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
