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-rw-r--r--drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c
index b2ab373c9ee..dc204f3a47e 100644
--- a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c
+++ b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c
@@ -364,11 +364,13 @@ int bcm47xxnflash_ops_bcm4706_init(struct bcm47xxnflash *b47n)
/* Configure wait counters */
if (b47n->cc->status & BCMA_CC_CHIPST_4706_PKG_OPTION) {
- freq = 100000000;
+ /* 400 MHz */
+ freq = 400000000 / 4;
} else {
freq = bcma_chipco_pll_read(b47n->cc, 4);
- freq = (freq * 0xFFF) >> 3;
- freq = (freq * 25000000) >> 3;
+ freq = (freq & 0xFFF) >> 3;
+ /* Fixed reference clock 25 MHz and m = 2 */
+ freq = (freq * 25000000 / 2) / 4;
}
clock = freq / 1000000;
w0 = bcm47xxnflash_ops_bcm4706_ns_to_cycle(15, clock);