Convert NAND IFC driver to support CONFIG_SYS_NAND_SELF_INIT.
Signed-off-by: Prabhakar Kushwaha <prabha...@freescale.com>
---
Based upon git://git.denx.de/u-boot.git branch master
drivers/mtd/nand/fsl_ifc_nand.c | 42 ++++++++++++++++++++++++++++++++++-----
include/nand.h | 3 ++-
2 files changed, 39 insertions(+), 6 deletions(-)
diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c
index b13d8a9..49cfb33 100644
--- a/drivers/mtd/nand/fsl_ifc_nand.c
+++ b/drivers/mtd/nand/fsl_ifc_nand.c
@@ -21,6 +21,7 @@
#include <common.h>
#include <malloc.h>
+#include <nand.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
@@ -41,7 +42,6 @@ struct fsl_ifc_ctrl;
/* mtd information per set */
struct fsl_ifc_mtd {
- struct mtd_info mtd;
struct nand_chip chip;
struct fsl_ifc_ctrl *ctrl;
@@ -794,11 +794,14 @@ static void fsl_ifc_sram_init(void)
out_be32(&ifc_ctrl->regs->csor_cs[cs].csor_ext, csor_ext);
}
-int board_nand_init(struct nand_chip *nand)
+static int fsl_ifc_chip_init(int devnum, u8 *addr)
{
+ struct mtd_info *mtd = &nand_info[devnum];
+ struct nand_chip *nand;
struct fsl_ifc_mtd *priv;
struct nand_ecclayout *layout;
uint32_t cspr = 0, csor = 0, ver = 0;
+ int ret;
if (!ifc_ctrl) {
fsl_ifc_ctrl_init();
@@ -811,18 +814,18 @@ int board_nand_init(struct nand_chip *nand)
return -ENOMEM;
priv->ctrl = ifc_ctrl;
- priv->vbase = nand->IO_ADDR_R;
+ priv->vbase = addr;
/* Find which chip select it is connected to.
*/
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);
cspr = in_be32(&ifc_ctrl->regs->cspr_cs[priv->bank].cspr);
csor = in_be32(&ifc_ctrl->regs->csor_cs[priv->bank].csor);
if ((cspr & CSPR_V) && (cspr & CSPR_MSEL) == CSPR_MSEL_NAND &&
- (cspr & CSPR_BA) == CSPR_PHYS_ADDR(base_addr)) {
+ (cspr & CSPR_BA) == CSPR_PHYS_ADDR(phys_addr)) {
ifc_ctrl->cs_nand = priv->bank << IFC_NAND_CSEL_SHIFT;
break;
}
@@ -835,6 +838,9 @@ int board_nand_init(struct nand_chip *nand)
return -ENODEV;
}
+ nand = &priv->chip;
+ mtd->priv = nand;
+
ifc_ctrl->chips[priv->bank] = priv;
/* fill in nand_chip structure */
@@ -921,5 +927,31 @@ int board_nand_init(struct nand_chip *nand)
if (ver == FSL_IFC_V1_1_0)
fsl_ifc_sram_init();
+ 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_ifc_chip_init(i, (u8 *)base_address[i]);
+}
diff --git a/include/nand.h b/include/nand.h
index dded4e2..6cd7420 100644
--- a/include/nand.h
+++ b/include/nand.h
@@ -31,7 +31,8 @@
* at the same time, so do it here. When all drivers are
* converted, this will go away.
*/
-#if defined(CONFIG_NAND_FSL_ELBC) || defined(CONFIG_NAND_ATMEL)
+#if defined(CONFIG_NAND_FSL_ELBC) || defined(CONFIG_NAND_ATMEL)\
+ || defined(CONFIG_NAND_FSL_IFC)
#define CONFIG_SYS_NAND_SELF_INIT
#endif
--
1.7.9.5
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
