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path: root/drivers/mtd/nand/raw/atmel/pmecc.c
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Diffstat (limited to 'drivers/mtd/nand/raw/atmel/pmecc.c')
-rw-r--r--drivers/mtd/nand/raw/atmel/pmecc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/atmel/pmecc.c b/drivers/mtd/nand/raw/atmel/pmecc.c
index 3c7dee1be21d..0b402823b619 100644
--- a/drivers/mtd/nand/raw/atmel/pmecc.c
+++ b/drivers/mtd/nand/raw/atmel/pmecc.c
@@ -143,6 +143,7 @@ struct atmel_pmecc_caps {
int nstrengths;
int el_offset;
bool correct_erased_chunks;
+ bool clk_ctrl;
};
struct atmel_pmecc {
@@ -843,6 +844,10 @@ static struct atmel_pmecc *atmel_pmecc_create(struct platform_device *pdev,
if (IS_ERR(pmecc->regs.errloc))
return ERR_CAST(pmecc->regs.errloc);
+ /* pmecc data setup time */
+ if (caps->clk_ctrl)
+ writel(PMECC_CLK_133MHZ, pmecc->regs.base + ATMEL_PMECC_CLK);
+
/* Disable all interrupts before registering the PMECC handler. */
writel(0xffffffff, pmecc->regs.base + ATMEL_PMECC_IDR);
atmel_pmecc_reset(pmecc);
@@ -896,6 +901,7 @@ static struct atmel_pmecc_caps at91sam9g45_caps = {
.strengths = atmel_pmecc_strengths,
.nstrengths = 5,
.el_offset = 0x8c,
+ .clk_ctrl = true,
};
static struct atmel_pmecc_caps sama5d4_caps = {