*/
static struct mtd_partition partition_info_hi[] = {
{ .name = "PPChameleon HI Nand Flash",
- offset = 0,
+ .offset = 0,
.size = 128 * 1024 * 1024
}
};
/*
* hardware specific access to control-lines
*/
-static void ppchameleon_hwcontrol(struct mtd_info *mtdinfo, int cmd)
+static void ppchameleon_hwcontrol(struct mtd_info *mtdinfo, int cmd,
+ unsigned int ctrl)
{
- switch (cmd) {
-
- case NAND_CTL_SETCLE:
- MACRO_NAND_CTL_SETCLE((unsigned long)CFG_NAND0_PADDR);
- break;
- case NAND_CTL_CLRCLE:
- MACRO_NAND_CTL_CLRCLE((unsigned long)CFG_NAND0_PADDR);
- break;
- case NAND_CTL_SETALE:
- MACRO_NAND_CTL_SETALE((unsigned long)CFG_NAND0_PADDR);
- break;
- case NAND_CTL_CLRALE:
- MACRO_NAND_CTL_CLRALE((unsigned long)CFG_NAND0_PADDR);
- break;
- case NAND_CTL_SETNCE:
- MACRO_NAND_ENABLE_CE((unsigned long)CFG_NAND0_PADDR);
- break;
- case NAND_CTL_CLRNCE:
- MACRO_NAND_DISABLE_CE((unsigned long)CFG_NAND0_PADDR);
- break;
+ struct nand_chip *chip = mtd->priv;
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+#error Missing headerfiles. No way to fix this. -tglx
+ switch (cmd) {
+ case NAND_CTL_SETCLE:
+ MACRO_NAND_CTL_SETCLE((unsigned long)CFG_NAND0_PADDR);
+ break;
+ case NAND_CTL_CLRCLE:
+ MACRO_NAND_CTL_CLRCLE((unsigned long)CFG_NAND0_PADDR);
+ break;
+ case NAND_CTL_SETALE:
+ MACRO_NAND_CTL_SETALE((unsigned long)CFG_NAND0_PADDR);
+ break;
+ case NAND_CTL_CLRALE:
+ MACRO_NAND_CTL_CLRALE((unsigned long)CFG_NAND0_PADDR);
+ break;
+ case NAND_CTL_SETNCE:
+ MACRO_NAND_ENABLE_CE((unsigned long)CFG_NAND0_PADDR);
+ break;
+ case NAND_CTL_CLRNCE:
+ MACRO_NAND_DISABLE_CE((unsigned long)CFG_NAND0_PADDR);
+ break;
+ }
}
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, chip->IO_ADDR_W);
}
-static void ppchameleonevb_hwcontrol(struct mtd_info *mtdinfo, int cmd)
+static void ppchameleonevb_hwcontrol(struct mtd_info *mtdinfo, int cmd,
+ unsigned int ctrl)
{
- switch (cmd) {
-
- case NAND_CTL_SETCLE:
- MACRO_NAND_CTL_SETCLE((unsigned long)CFG_NAND1_PADDR);
- break;
- case NAND_CTL_CLRCLE:
- MACRO_NAND_CTL_CLRCLE((unsigned long)CFG_NAND1_PADDR);
- break;
- case NAND_CTL_SETALE:
- MACRO_NAND_CTL_SETALE((unsigned long)CFG_NAND1_PADDR);
- break;
- case NAND_CTL_CLRALE:
- MACRO_NAND_CTL_CLRALE((unsigned long)CFG_NAND1_PADDR);
- break;
- case NAND_CTL_SETNCE:
- MACRO_NAND_ENABLE_CE((unsigned long)CFG_NAND1_PADDR);
- break;
- case NAND_CTL_CLRNCE:
- MACRO_NAND_DISABLE_CE((unsigned long)CFG_NAND1_PADDR);
- break;
+ struct nand_chip *chip = mtd->priv;
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+#error Missing headerfiles. No way to fix this. -tglx
+ switch (cmd) {
+ case NAND_CTL_SETCLE:
+ MACRO_NAND_CTL_SETCLE((unsigned long)CFG_NAND1_PADDR);
+ break;
+ case NAND_CTL_CLRCLE:
+ MACRO_NAND_CTL_CLRCLE((unsigned long)CFG_NAND1_PADDR);
+ break;
+ case NAND_CTL_SETALE:
+ MACRO_NAND_CTL_SETALE((unsigned long)CFG_NAND1_PADDR);
+ break;
+ case NAND_CTL_CLRALE:
+ MACRO_NAND_CTL_CLRALE((unsigned long)CFG_NAND1_PADDR);
+ break;
+ case NAND_CTL_SETNCE:
+ MACRO_NAND_ENABLE_CE((unsigned long)CFG_NAND1_PADDR);
+ break;
+ case NAND_CTL_CLRNCE:
+ MACRO_NAND_DISABLE_CE((unsigned long)CFG_NAND1_PADDR);
+ break;
+ }
}
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, chip->IO_ADDR_W);
}
#ifdef USE_READY_BUSY_PIN
/* insert callbacks */
this->IO_ADDR_R = ppchameleon_fio_base;
this->IO_ADDR_W = ppchameleon_fio_base;
- this->hwcontrol = ppchameleon_hwcontrol;
+ this->cmd_ctrl = ppchameleon_hwcontrol;
#ifdef USE_READY_BUSY_PIN
this->dev_ready = ppchameleon_device_ready;
#endif
/* Scan to find existence of the device (it could not be mounted) */
if (nand_scan(ppchameleon_mtd, 1)) {
iounmap((void *)ppchameleon_fio_base);
+ ppchameleon_fio_base = NULL;
kfree(ppchameleon_mtd);
goto nand_evb_init;
}
ppchameleonevb_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
if (!ppchameleonevb_mtd) {
printk("Unable to allocate PPChameleonEVB NAND MTD device structure.\n");
+ if (ppchameleon_fio_base)
+ iounmap(ppchameleon_fio_base);
return -ENOMEM;
}
if (!ppchameleonevb_fio_base) {
printk("ioremap PPChameleonEVB NAND flash failed\n");
kfree(ppchameleonevb_mtd);
+ if (ppchameleon_fio_base)
+ iounmap(ppchameleon_fio_base);
return -EIO;
}
/* insert callbacks */
this->IO_ADDR_R = ppchameleonevb_fio_base;
this->IO_ADDR_W = ppchameleonevb_fio_base;
- this->hwcontrol = ppchameleonevb_hwcontrol;
+ this->cmd_ctrl = ppchameleonevb_hwcontrol;
#ifdef USE_READY_BUSY_PIN
this->dev_ready = ppchameleonevb_device_ready;
#endif
if (nand_scan(ppchameleonevb_mtd, 1)) {
iounmap((void *)ppchameleonevb_fio_base);
kfree(ppchameleonevb_mtd);
+ if (ppchameleon_fio_base)
+ iounmap(ppchameleon_fio_base);
return -ENXIO;
}
#ifdef CONFIG_MTD_PARTITIONS
/* Release iomaps */
this = (struct nand_chip *) &ppchameleon_mtd[1];
- iounmap((void *) this->IO_ADDR_R;
+ iounmap((void *) this->IO_ADDR_R);
this = (struct nand_chip *) &ppchameleonevb_mtd[1];
- iounmap((void *) this->IO_ADDR_R;
+ iounmap((void *) this->IO_ADDR_R);
/* Free the MTD device structure */
kfree (ppchameleon_mtd);