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path: root/drivers/mtd/nand/denali.c
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Diffstat (limited to 'drivers/mtd/nand/denali.c')
-rw-r--r--drivers/mtd/nand/denali.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 870c7fc0f..67eb2be0d 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -458,8 +458,17 @@ static void find_valid_banks(struct denali_nand_info *denali)
static void detect_max_banks(struct denali_nand_info *denali)
{
uint32_t features = ioread32(denali->flash_reg + FEATURES);
+ /*
+ * Read the revision register, so we can calculate the max_banks
+ * properly: the encoding changed from rev 5.0 to 5.1
+ */
+ u32 revision = MAKE_COMPARABLE_REVISION(
+ ioread32(denali->flash_reg + REVISION));
- denali->max_banks = 2 << (features & FEATURES__N_BANKS);
+ if (revision < REVISION_5_1)
+ denali->max_banks = 2 << (features & FEATURES__N_BANKS);
+ else
+ denali->max_banks = 1 << (features & FEATURES__N_BANKS);
}
static void detect_partition_feature(struct denali_nand_info *denali)
@@ -1105,7 +1114,7 @@ static int write_page(struct mtd_info *mtd, struct nand_chip *chip,
* by write_page above.
*/
static int denali_write_page(struct mtd_info *mtd, struct nand_chip *chip,
- const uint8_t *buf, int oob_required)
+ const uint8_t *buf, int oob_required, int page)
{
/*
* for regular page writes, we let HW handle all the ECC
@@ -1120,7 +1129,8 @@ static int denali_write_page(struct mtd_info *mtd, struct nand_chip *chip,
* write_page() function above.
*/
static int denali_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
- const uint8_t *buf, int oob_required)
+ const uint8_t *buf, int oob_required,
+ int page)
{
/*
* for raw page writes, we want to disable ECC and simply write
@@ -1304,7 +1314,7 @@ static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
*/
addr = MODE_11 | BANK(denali->flash_bank);
index_addr(denali, addr | 0, 0x90);
- index_addr(denali, addr | 1, 0);
+ index_addr(denali, addr | 1, col);
for (i = 0; i < 8; i++) {
index_addr_read_data(denali, addr | 2, &id);
write_byte_to_buf(denali, id);
@@ -1454,7 +1464,6 @@ int denali_init(struct denali_nand_info *denali)
/* now that our ISR is registered, we can enable interrupts */
denali_set_intr_modes(denali, true);
denali->mtd.name = "denali-nand";
- denali->mtd.owner = THIS_MODULE;
denali->mtd.priv = &denali->nand;
/* register the driver with the NAND core subsystem */