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path: root/drivers/mtd/nand/nand.c
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Diffstat (limited to 'drivers/mtd/nand/nand.c')
-rw-r--r--drivers/mtd/nand/nand.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/mtd/nand/nand.c b/drivers/mtd/nand/nand.c
index 8f0a921..f449316 100644
--- a/drivers/mtd/nand/nand.c
+++ b/drivers/mtd/nand/nand.c
@@ -19,7 +19,7 @@ DECLARE_GLOBAL_DATA_PTR;
int nand_curr_device = -1;
-nand_info_t nand_info[CONFIG_SYS_MAX_NAND_DEVICE];
+struct mtd_info *nand_info[CONFIG_SYS_MAX_NAND_DEVICE];
#ifndef CONFIG_SYS_NAND_SELF_INIT
static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
@@ -30,15 +30,25 @@ static char dev_name[CONFIG_SYS_MAX_NAND_DEVICE][8];
static unsigned long total_nand_size; /* in kiB */
-/* Register an initialized NAND mtd device with the U-Boot NAND command. */
-int nand_register(int devnum)
+int nand_mtd_to_devnum(struct mtd_info *mtd)
{
- struct mtd_info *mtd;
+ int i;
+ for (i = 0; i < ARRAY_SIZE(nand_info); i++) {
+ if (mtd && nand_info[i] == mtd)
+ return i;
+ }
+
+ return -ENODEV;
+}
+
+/* Register an initialized NAND mtd device with the U-Boot NAND command. */
+int nand_register(int devnum, struct mtd_info *mtd)
+{
if (devnum >= CONFIG_SYS_MAX_NAND_DEVICE)
return -EINVAL;
- mtd = &nand_info[devnum];
+ nand_info[devnum] = mtd;
sprintf(dev_name[devnum], "nand%d", devnum);
mtd->name = dev_name[devnum];
@@ -62,15 +72,14 @@ int nand_register(int devnum)
#ifndef CONFIG_SYS_NAND_SELF_INIT
static void nand_init_chip(int i)
{
- struct mtd_info *mtd = &nand_info[i];
struct nand_chip *nand = &nand_chip[i];
+ struct mtd_info *mtd = nand_to_mtd(nand);
ulong base_addr = base_address[i];
int maxchips = CONFIG_SYS_NAND_MAX_CHIPS;
if (maxchips < 1)
maxchips = 1;
- mtd->priv = nand;
nand->IO_ADDR_R = nand->IO_ADDR_W = (void __iomem *)base_addr;
if (board_nand_init(nand))
@@ -79,7 +88,7 @@ static void nand_init_chip(int i)
if (nand_scan(mtd, maxchips))
return;
- nand_register(i);
+ nand_register(i, mtd);
}
#endif
@@ -100,6 +109,7 @@ void nand_init(void)
/*
* Select the chip in the board/cpu specific driver
*/
- board_nand_select_device(nand_info[nand_curr_device].priv, nand_curr_device);
+ board_nand_select_device(mtd_to_nand(nand_info[nand_curr_device]),
+ nand_curr_device);
#endif
}