Use the omap_gpmc_read_reg() and omap_gpmc_write_reg() APIs to access the GPMC_STATUS, NAND_COMMAND, NAND_ADDRESS and NAND_DATA registers from the GPMC register space. Signed-off-by: Roger Quadros <rogerq@xxxxxx> --- drivers/mtd/nand/omap2.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 6f3d7cd..f50e71d 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -24,7 +24,7 @@ #include <linux/slab.h> #include <linux/of.h> #include <linux/of_device.h> - +#include <linux/omap-gpmc-nand.h> #include <linux/mtd/nand_bch.h> #include <linux/platform_data/elm.h> @@ -251,13 +251,16 @@ static void omap_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) if (cmd != NAND_CMD_NONE) { if (ctrl & NAND_CLE) - writeb(cmd, info->reg.gpmc_nand_command); + omap_gpmc_write_reg(info->gpmc_cs, + OMAP_GPMC_NAND_COMMAND, cmd); else if (ctrl & NAND_ALE) - writeb(cmd, info->reg.gpmc_nand_address); + omap_gpmc_write_reg(info->gpmc_cs, + OMAP_GPMC_NAND_ADDRESS, cmd); else /* NAND_NCE */ - writeb(cmd, info->reg.gpmc_nand_data); + omap_gpmc_write_reg(info->gpmc_cs, + OMAP_GPMC_NAND_DATA, cmd); } } @@ -291,7 +294,7 @@ static void omap_write_buf8(struct mtd_info *mtd, const u_char *buf, int len) iowrite8(*p++, info->nand.IO_ADDR_W); /* wait until buffer is available for write */ do { - status = readl(info->reg.gpmc_status) & + status = omap_gpmc_read_reg(0, OMAP_GPMC_STATUS) & STATUS_BUFF_EMPTY; } while (!status); } @@ -329,7 +332,7 @@ static void omap_write_buf16(struct mtd_info *mtd, const u_char * buf, int len) iowrite16(*p++, info->nand.IO_ADDR_W); /* wait until buffer is available for write */ do { - status = readl(info->reg.gpmc_status) & + status = omap_gpmc_read_reg(0, OMAP_GPMC_STATUS) & STATUS_BUFF_EMPTY; } while (!status); } @@ -1011,15 +1014,16 @@ static int omap_wait(struct mtd_info *mtd, struct nand_chip *chip) else timeo += msecs_to_jiffies(20); - writeb(NAND_CMD_STATUS & 0xFF, info->reg.gpmc_nand_command); + omap_gpmc_write_reg(info->gpmc_cs, OMAP_GPMC_NAND_COMMAND, + NAND_CMD_STATUS); while (time_before(jiffies, timeo)) { - status = readb(info->reg.gpmc_nand_data); + status = omap_gpmc_read_reg(info->gpmc_cs, OMAP_GPMC_NAND_DATA); if (status & NAND_STATUS_READY) break; cond_resched(); } - status = readb(info->reg.gpmc_nand_data); + status = omap_gpmc_read_reg(info->gpmc_cs, OMAP_GPMC_NAND_DATA); return status; } @@ -1030,10 +1034,8 @@ static int omap_wait(struct mtd_info *mtd, struct nand_chip *chip) static int omap_dev_ready(struct mtd_info *mtd) { unsigned int val = 0; - struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, - mtd); - val = readl(info->reg.gpmc_status); + val = omap_gpmc_read_reg(0, OMAP_GPMC_STATUS); if ((val & 0x100) == 0x100) { return 1; -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html