/* Initialization code to bring the device up to a known good state */
static void denali_hw_init(struct denali_nand_info *denali)
{
/*
* The REVISION register may not be reliable. Platforms are allowed to
* override it.
*/
if (!denali->revision)
denali->revision = swab16(ioread32(denali->flash_reg + REVISION));
/*
* tell driver how many bit controller will skip before writing
* ECC code in OOB. This is normally used for bad block marker
*/
writel(CONFIG_NAND_DENALI_SPARE_AREA_SKIP_BYTES,
denali->flash_reg + SPARE_AREA_SKIP_BYTES);
detect_max_banks(denali);
denali_nand_reset(denali);
writel(0x0F, denali->flash_reg + RB_PIN_ENABLED);
writel(CHIP_EN_DONT_CARE__FLAG,
denali->flash_reg + CHIP_ENABLE_DONT_CARE);
writel(0xffff, denali->flash_reg + SPARE_AREA_MARKER);
/* Should set value for these registers when init */
writel(0, denali->flash_reg + TWO_ROW_ADDR_CYCLES);
writel(1, denali->flash_reg + ECC_ENABLE);
denali_nand_timing_set(denali);
denali_irq_init(denali);
}
static void denali_hw_init(struct denali_nand_info *denali)
{
denali->bbtskipbytes = ioread32(denali->flash_reg +
SPARE_AREA_SKIP_BYTES);
detect_max_banks(denali);
denali_nand_reset(denali);
iowrite32(0x0F, denali->flash_reg + RB_PIN_ENABLED);
iowrite32(CHIP_EN_DONT_CARE__FLAG,
denali->flash_reg + CHIP_ENABLE_DONT_CARE);
iowrite32(0xffff, denali->flash_reg + SPARE_AREA_MARKER);
iowrite32(0, denali->flash_reg + TWO_ROW_ADDR_CYCLES);
iowrite32(1, denali->flash_reg + ECC_ENABLE);
denali_nand_timing_set(denali);
denali_irq_init(denali);
}
/* Initialization code to bring the device up to a known good state */
static void denali_hw_init(struct denali_nand_info *denali)
{
/* tell driver how many bit controller will skip before
* writing ECC code in OOB, this register may be already
* set by firmware. So we read this value out.
* if this value is 0, just let it be.
* */
denali->bbtskipbytes = ioread32(denali->flash_reg +
SPARE_AREA_SKIP_BYTES);
detect_max_banks(denali);
denali_nand_reset(denali);
iowrite32(0x0F, denali->flash_reg + RB_PIN_ENABLED);
iowrite32(CHIP_EN_DONT_CARE__FLAG,
denali->flash_reg + CHIP_ENABLE_DONT_CARE);
iowrite32(0xffff, denali->flash_reg + SPARE_AREA_MARKER);
/* Should set value for these registers when init */
iowrite32(0, denali->flash_reg + TWO_ROW_ADDR_CYCLES);
iowrite32(1, denali->flash_reg + ECC_ENABLE);
denali_nand_timing_set(denali);
denali_irq_init(denali);
}