DECLARE_GLOBAL_DATA_PTR;
-#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+#if defined(CONFIG_CMD_NAND)
#include <nand.h>
#include <linux/mtd/mtd.h>
-#define SET_CLE 0x10
-#define CLR_CLE ~SET_CLE
-#define SET_ALE 0x08
-#define CLR_ALE ~SET_ALE
+#define SET_CLE 0x10
+#define CLR_CLE ~SET_CLE
+#define SET_ALE 0x08
+#define CLR_ALE ~SET_ALE
static void nand_hwcontrol(struct mtd_info *mtdinfo, int cmd)
{
- struct nand_chip *this = mtdinfo->priv;
- volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
- u32 nand_baseaddr = (u32) this->IO_ADDR_W;
+ struct nand_chip *this = mtdinfo->priv;
+ volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
+ u32 nand_baseaddr = (u32) this->IO_ADDR_W;
- switch (cmd) {
- case NAND_CTL_SETNCE:
- case NAND_CTL_CLRNCE:
- break;
- case NAND_CTL_SETCLE:
- nand_baseaddr |= SET_CLE;
- break;
- case NAND_CTL_CLRCLE:
- nand_baseaddr &= CLR_CLE;
- break;
- case NAND_CTL_SETALE:
- nand_baseaddr |= SET_ALE;
- break;
- case NAND_CTL_CLRALE:
- nand_baseaddr |= CLR_ALE;
- break;
- case NAND_CTL_SETWP:
- fbcs->csmr2 |= CSMR_WP;
- break;
- case NAND_CTL_CLRWP:
- fbcs->csmr2 &= ~CSMR_WP;
- break;
- }
- this->IO_ADDR_W = (void __iomem *)(nand_baseaddr);
+ switch (cmd) {
+ case NAND_CTL_SETNCE:
+ case NAND_CTL_CLRNCE:
+ break;
+ case NAND_CTL_SETCLE:
+ nand_baseaddr |= SET_CLE;
+ break;
+ case NAND_CTL_CLRCLE:
+ nand_baseaddr &= CLR_CLE;
+ break;
+ case NAND_CTL_SETALE:
+ nand_baseaddr |= SET_ALE;
+ break;
+ case NAND_CTL_CLRALE:
+ nand_baseaddr |= CLR_ALE;
+ break;
+ case NAND_CTL_SETWP:
+ fbcs->csmr2 |= FBCS_CSMR_WP;
+ break;
+ case NAND_CTL_CLRWP:
+ fbcs->csmr2 &= ~FBCS_CSMR_WP;
+ break;
+ }
+ this->IO_ADDR_W = (void __iomem *)(nand_baseaddr);
}
static void nand_write_byte(struct mtd_info *mtdinfo, u_char byte)
{
- struct nand_chip *this = mtdinfo->priv;
- *((volatile u8 *)(this->IO_ADDR_W)) = byte;
+ struct nand_chip *this = mtdinfo->priv;
+ *((volatile u8 *)(this->IO_ADDR_W)) = byte;
}
static u8 nand_read_byte(struct mtd_info *mtdinfo)
{
- struct nand_chip *this = mtdinfo->priv;
- return (u8) (*((volatile u8 *)this->IO_ADDR_R));
+ struct nand_chip *this = mtdinfo->priv;
+ return (u8) (*((volatile u8 *)this->IO_ADDR_R));
}
static int nand_dev_ready(struct mtd_info *mtdinfo)
{
- return 1;
+ return 1;
}
int board_nand_init(struct nand_chip *nand)
{
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
- *((volatile u16 *)CFG_LATCH_ADDR) |= 0x0004;
+ *((volatile u16 *)CFG_LATCH_ADDR) |= 0x0004;
- /* set up pin configuration */
- gpio->par_timer &= ~GPIO_PAR_TIN3_TIN3;
- gpio->pddr_timer |= 0x08;
- gpio->ppd_timer |= 0x08;
- gpio->pclrr_timer = 0;
- gpio->podr_timer = 0;
+ /* set up pin configuration */
+ gpio->par_timer &= ~GPIO_PAR_TIN3_TIN3;
+ gpio->pddr_timer |= 0x08;
+ gpio->ppd_timer |= 0x08;
+ gpio->pclrr_timer = 0;
+ gpio->podr_timer = 0;
- nand->chip_delay = 50;
- nand->eccmode = NAND_ECC_SOFT;
- nand->hwcontrol = nand_hwcontrol;
- nand->read_byte = nand_read_byte;
- nand->write_byte = nand_write_byte;
- nand->dev_ready = nand_dev_ready;
+ nand->chip_delay = 50;
+ nand->eccmode = NAND_ECC_SOFT;
+ nand->hwcontrol = nand_hwcontrol;
+ nand->read_byte = nand_read_byte;
+ nand->write_byte = nand_write_byte;
+ nand->dev_ready = nand_dev_ready;
- return 0;
+ return 0;
}
#endif
-