It's currently bugged and doesn't work for even cases. Right shift bits instead of dividing and fix even cases.
Signed-off-by: Álvaro Fernández Rojas noltari@gmail.com --- v4: really fix baud rate calculation v3: fix baud rate calculation
drivers/serial/serial_bcm6345.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/serial/serial_bcm6345.c b/drivers/serial/serial_bcm6345.c index 14c1bf2..0843b48 100644 --- a/drivers/serial/serial_bcm6345.c +++ b/drivers/serial/serial_bcm6345.c @@ -157,11 +157,11 @@ static int bcm6345_serial_init(void __iomem *base, ulong clk, u32 baudrate) UART_FIFO_CFG_TX_4);
/* set baud rate */ - val = (clk / baudrate) / 16; + val = ((clk / baudrate) >> 4); if (val & 0x1) - val = val; + val = (val >> 1); else - val = val / 2 - 1; + val = (val >> 1) - 1; writel_be(val, base + UART_BAUD_REG);
/* clear interrupts */ @@ -243,7 +243,7 @@ static int bcm6345_serial_probe(struct udevice *dev) ret = clk_get_by_index(dev, 0, &clk); if (ret < 0) return ret; - priv->uartclk = clk_get_rate(&clk) / 2; + priv->uartclk = clk_get_rate(&clk); clk_free(&clk);
/* initialize serial */