mtd: nand: omap: bring in gpmc nand macros
Bring onto driver the macros defined in gpmc.h that are
not necessary outside driver, helps in removing inclusion
of gpmc.h too. Also remove GPMC prefix on those macros to
make clear it's independence with gpmc header.
Signed-off-by: Afzal Mohammed <afzal@ti.com>
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index abfc602..f0a1b1d 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -110,6 +110,11 @@
#define ECC1RESULTSIZE 0x1
#define ECCCLEAR 0x100
#define ECC1 0x1
+#define PREFETCH_FIFOTHRESHOLD_MAX 0x40
+#define PREFETCH_FIFOTHRESHOLD(val) ((val) << 8)
+#define PREFETCH_STATUS_COUNT(val) (val & 0x00003fff)
+#define PREFETCH_STATUS_FIFO_CNT(val) ((val >> 24) & 0x7F)
+#define STATUS_BUFF_EMPTY 0x00000001
/* oob info generated runtime depending on ecc algorithm and layout selected */
static struct nand_ecclayout omap_oobinfo;
@@ -269,7 +274,7 @@
/* wait until buffer is available for write */
do {
status = readl(info->reg.gpmc_status) &
- GPMC_STATUS_BUFF_EMPTY;
+ STATUS_BUFF_EMPTY;
} while (!status);
}
}
@@ -307,7 +312,7 @@
/* wait until buffer is available for write */
do {
status = readl(info->reg.gpmc_status) &
- GPMC_STATUS_BUFF_EMPTY;
+ STATUS_BUFF_EMPTY;
} while (!status);
}
}
@@ -348,7 +353,7 @@
} else {
do {
r_count = readl(info->reg.gpmc_prefetch_status);
- r_count = GPMC_PREFETCH_STATUS_FIFO_CNT(r_count);
+ r_count = PREFETCH_STATUS_FIFO_CNT(r_count);
r_count = r_count >> 2;
ioread32_rep(info->nand.IO_ADDR_R, p, r_count);
p += r_count;
@@ -395,7 +400,7 @@
} else {
while (len) {
w_count = readl(info->reg.gpmc_prefetch_status);
- w_count = GPMC_PREFETCH_STATUS_FIFO_CNT(w_count);
+ w_count = PREFETCH_STATUS_FIFO_CNT(w_count);
w_count = w_count >> 1;
for (i = 0; (i < w_count) && len; i++, len -= 2)
iowrite16(*p++, info->nand.IO_ADDR_W);
@@ -407,7 +412,7 @@
do {
cpu_relax();
val = readl(info->reg.gpmc_prefetch_status);
- val = GPMC_PREFETCH_STATUS_COUNT(val);
+ val = PREFETCH_STATUS_COUNT(val);
} while (val && (tim++ < limit));
/* disable and stop the PFPW engine */
@@ -493,7 +498,7 @@
do {
cpu_relax();
val = readl(info->reg.gpmc_prefetch_status);
- val = GPMC_PREFETCH_STATUS_COUNT(val);
+ val = PREFETCH_STATUS_COUNT(val);
} while (val && (tim++ < limit));
/* disable and stop the PFPW engine */
@@ -556,7 +561,7 @@
u32 bytes;
bytes = readl(info->reg.gpmc_prefetch_status);
- bytes = GPMC_PREFETCH_STATUS_FIFO_CNT(bytes);
+ bytes = PREFETCH_STATUS_FIFO_CNT(bytes);
bytes = bytes & 0xFFFC; /* io in multiple of 4 bytes */
if (info->iomode == OMAP_NAND_IO_WRITE) { /* checks for write io */
if (this_irq == info->gpmc_irq_count)
@@ -682,7 +687,7 @@
limit = (loops_per_jiffy * msecs_to_jiffies(OMAP_NAND_TIMEOUT_MS));
do {
val = readl(info->reg.gpmc_prefetch_status);
- val = GPMC_PREFETCH_STATUS_COUNT(val);
+ val = PREFETCH_STATUS_COUNT(val);
cpu_relax();
} while (val && (tim++ < limit));