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| author | Matthias Ludwig <mludwig@ultratronik.de> | 2009-05-19 09:09:31 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-08-07 23:31:51 +0200 |
| commit | 187af954cf7958c24efcf0fd62289bbdb4f1f24e (patch) | |
| tree | 7ad4bfe95128e7a7907ad8aa537817287e6cd69d /drivers/mtd/nand/omap_gpmc.c | |
| parent | cb32ed1fc298875845f166d326a3f2704a0d5364 (diff) | |
| download | u-boot-imx-187af954cf7958c24efcf0fd62289bbdb4f1f24e.zip u-boot-imx-187af954cf7958c24efcf0fd62289bbdb4f1f24e.tar.gz u-boot-imx-187af954cf7958c24efcf0fd62289bbdb4f1f24e.tar.bz2 | |
omap3: embedd gpmc_cs into gpmc config struct
Embedd chip select configuration into struct for gpmc config
instead of having it completely separated as suggested by
Wolfgang Denk on
http://lists.denx.de/pipermail/u-boot/2009-May/052247.html
Signed-off-by: Matthias Ludwig <mludwig@ultratronik.de>
Diffstat (limited to 'drivers/mtd/nand/omap_gpmc.c')
| -rw-r--r-- | drivers/mtd/nand/omap_gpmc.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c index 5f8ed39..c2dee25 100644 --- a/drivers/mtd/nand/omap_gpmc.c +++ b/drivers/mtd/nand/omap_gpmc.c @@ -31,7 +31,6 @@ static uint8_t cs; static gpmc_t *gpmc_base = (gpmc_t *)GPMC_BASE; -static gpmc_csx_t *gpmc_cs_base; static struct nand_ecclayout hw_nand_oob = GPMC_NAND_HW_ECC_LAYOUT; /* @@ -49,13 +48,13 @@ static void omap_nand_hwcontrol(struct mtd_info *mtd, int32_t cmd, */ switch (ctrl) { case NAND_CTRL_CHANGE | NAND_CTRL_CLE: - this->IO_ADDR_W = (void __iomem *)&gpmc_cs_base->nand_cmd; + this->IO_ADDR_W = (void __iomem *)&gpmc_base->cs[cs].nand_cmd; break; case NAND_CTRL_CHANGE | NAND_CTRL_ALE: - this->IO_ADDR_W = (void __iomem *)&gpmc_cs_base->nand_adr; + this->IO_ADDR_W = (void __iomem *)&gpmc_base->cs[cs].nand_adr; break; case NAND_CTRL_CHANGE | NAND_NCE: - this->IO_ADDR_W = (void __iomem *)&gpmc_cs_base->nand_dat; + this->IO_ADDR_W = (void __iomem *)&gpmc_base->cs[cs].nand_dat; break; } @@ -311,15 +310,8 @@ int board_nand_init(struct nand_chip *nand) * devices. */ while (cs < GPMC_MAX_CS) { - /* - * Each GPMC set for a single CS is at offset 0x30 - * - already remapped for us - */ - gpmc_cs_base = (gpmc_csx_t *)(GPMC_CONFIG_CS0_BASE + - (cs * GPMC_CONFIG_WIDTH)); /* Check if NAND type is set */ - if ((readl(&gpmc_cs_base->config1) & 0xC00) == - 0x800) { + if ((readl(&gpmc_base->cs[cs].config1) & 0xC00) == 0x800) { /* Found it!! */ break; } @@ -336,13 +328,13 @@ int board_nand_init(struct nand_chip *nand) gpmc_config |= 0x10; writel(gpmc_config, &gpmc_base->config); - nand->IO_ADDR_R = (void __iomem *)&gpmc_cs_base->nand_dat; - nand->IO_ADDR_W = (void __iomem *)&gpmc_cs_base->nand_cmd; + nand->IO_ADDR_R = (void __iomem *)&gpmc_base->cs[cs].nand_dat; + nand->IO_ADDR_W = (void __iomem *)&gpmc_base->cs[cs].nand_cmd; nand->cmd_ctrl = omap_nand_hwcontrol; nand->options = NAND_NO_PADDING | NAND_CACHEPRG | NAND_NO_AUTOINCR; /* If we are 16 bit dev, our gpmc config tells us that */ - if ((readl(gpmc_cs_base) & 0x3000) == 0x1000) + if ((readl(&gpmc_base->cs[cs].config1) & 0x3000) == 0x1000) nand->options |= NAND_BUSWIDTH_16; nand->chip_delay = 100; |