#undef DEBUG
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
#include <linux/rslib.h>
#include <linux/pci.h>
#include <linux/delay.h>
struct cafe_priv {
struct nand_chip nand;
+ struct mtd_partition *parts;
struct pci_dev *pdev;
void __iomem *mmio;
struct rs_control *rs;
static int checkecc = 1;
module_param(checkecc, int, 0644);
-static int numtimings;
+static unsigned int numtimings;
static int timing[3];
module_param_array(timing, int, &numtimings, 0644);
+#ifdef CONFIG_MTD_PARTITIONS
+static const char *part_probes[] = { "RedBoot", NULL };
+#endif
+
/* Hrm. Why isn't this already conditional on something in the struct device? */
#define cafe_dev_dbg(dev, args...) do { if (debug) dev_dbg(dev, ##args); } while(0)
struct cafe_priv *cafe;
uint32_t ctrl;
int err = 0;
+#ifdef CONFIG_MTD_PARTITIONS
+ struct mtd_partition *parts;
+ int nr_parts;
+#endif
/* Very old versions shared the same PCI ident for all three
functions on the chip. Verify the class too... */
goto out_irq;
pci_set_drvdata(pdev, mtd);
+
+ /* We register the whole device first, separate from the partitions */
add_mtd_device(mtd);
+
+#ifdef CONFIG_MTD_PARTITIONS
+ nr_parts = parse_mtd_partitions(mtd, part_probes, &parts, 0);
+ if (nr_parts > 0) {
+ cafe->parts = parts;
+ dev_info(&cafe->pdev->dev, "%d RedBoot partitions found\n", nr_parts);
+ add_mtd_partitions(mtd, parts, nr_parts);
+ }
+#endif
goto out;
out_irq:
MODULE_DEVICE_TABLE(pci, cafe_nand_tbl);
+static int cafe_nand_resume(struct pci_dev *pdev)
+{
+ uint32_t ctrl;
+ struct mtd_info *mtd = pci_get_drvdata(pdev);
+ struct cafe_priv *cafe = mtd->priv;
+
+ /* Start off by resetting the NAND controller completely */
+ cafe_writel(cafe, 1, NAND_RESET);
+ cafe_writel(cafe, 0, NAND_RESET);
+ cafe_writel(cafe, 0xffffffff, NAND_IRQ_MASK);
+
+ /* Restore timing configuration */
+ cafe_writel(cafe, timing[0], NAND_TIMING1);
+ cafe_writel(cafe, timing[1], NAND_TIMING2);
+ cafe_writel(cafe, timing[2], NAND_TIMING3);
+
+ /* Disable master reset, enable NAND clock */
+ ctrl = cafe_readl(cafe, GLOBAL_CTRL);
+ ctrl &= 0xffffeff0;
+ ctrl |= 0x00007000;
+ cafe_writel(cafe, ctrl | 0x05, GLOBAL_CTRL);
+ cafe_writel(cafe, ctrl | 0x0a, GLOBAL_CTRL);
+ cafe_writel(cafe, 0, NAND_DMA_CTRL);
+ cafe_writel(cafe, 0x7006, GLOBAL_CTRL);
+ cafe_writel(cafe, 0x700a, GLOBAL_CTRL);
+
+ /* Set up DMA address */
+ cafe_writel(cafe, cafe->dmaaddr & 0xffffffff, NAND_DMA_ADDR0);
+ if (sizeof(cafe->dmaaddr) > 4)
+ /* Shift in two parts to shut the compiler up */
+ cafe_writel(cafe, (cafe->dmaaddr >> 16) >> 16, NAND_DMA_ADDR1);
+ else
+ cafe_writel(cafe, 0, NAND_DMA_ADDR1);
+
+ /* Enable NAND IRQ in global IRQ mask register */
+ cafe_writel(cafe, 0x80000007, GLOBAL_IRQ_MASK);
+ return 0;
+}
+
static struct pci_driver cafe_nand_pci_driver = {
.name = "CAFÉ NAND",
.id_table = cafe_nand_tbl,
.probe = cafe_nand_probe,
.remove = __devexit_p(cafe_nand_remove),
-#ifdef CONFIG_PMx
- .suspend = cafe_nand_suspend,
.resume = cafe_nand_resume,
-#endif
};
static int cafe_nand_init(void)