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path: root/drivers/mtd/nand/omap_gpmc.c
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Diffstat (limited to 'drivers/mtd/nand/omap_gpmc.c')
-rw-r--r--drivers/mtd/nand/omap_gpmc.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c
index 24123fc..f8b0063 100644
--- a/drivers/mtd/nand/omap_gpmc.c
+++ b/drivers/mtd/nand/omap_gpmc.c
@@ -30,13 +30,22 @@ static u8 bch8_polynomial[] = {0xef, 0x51, 0x2e, 0x09, 0xed, 0x93, 0x9a, 0xc2,
static uint8_t cs_next;
static __maybe_unused struct nand_ecclayout omap_ecclayout;
+#if defined(CONFIG_NAND_OMAP_GPMC_WSCFG)
+static const int8_t wscfg[CONFIG_SYS_MAX_NAND_DEVICE] =
+ { CONFIG_NAND_OMAP_GPMC_WSCFG };
+#else
+/* wscfg is preset to zero since its a static variable */
+static const int8_t wscfg[CONFIG_SYS_MAX_NAND_DEVICE];
+#endif
+
/*
* Driver configurations
*/
struct omap_nand_info {
struct bch_control *control;
enum omap_ecc ecc_scheme;
- int cs;
+ uint8_t cs;
+ uint8_t ws; /* wait status pin (0,1) */
};
/* We are wasting a bit of memory but al least we are safe */
@@ -76,7 +85,9 @@ static void omap_nand_hwcontrol(struct mtd_info *mtd, int32_t cmd,
/* Check wait pin as dev ready indicator */
static int omap_dev_ready(struct mtd_info *mtd)
{
- return gpmc_cfg->status & (1 << 8);
+ register struct nand_chip *this = mtd->priv;
+ struct omap_nand_info *info = this->priv;
+ return gpmc_cfg->status & (1 << (8 + info->ws));
}
/*
@@ -962,6 +973,7 @@ int board_nand_init(struct nand_chip *nand)
nand->IO_ADDR_W = (void __iomem *)&gpmc_cfg->cs[cs].nand_cmd;
omap_nand_info[cs].control = NULL;
omap_nand_info[cs].cs = cs;
+ omap_nand_info[cs].ws = wscfg[cs];
nand->priv = &omap_nand_info[cs];
nand->cmd_ctrl = omap_nand_hwcontrol;
nand->options |= NAND_NO_PADDING | NAND_CACHEPRG;