From: TsiChung Liew <[EMAIL PROTECTED]> The formula "counter = (u32) (gd->bus_clk / gd->baudrate) / 32" can generate the wrong divisor due to integer division truncation. Round the calculated divisor value by adding 1/2 the baudrate before dividing by the baudrate.
Signed-off-by: TsiChung Liew <[EMAIL PROTECTED]> Acked-by: Gerald Van Baren <[EMAIL PROTECTED]> --- drivers/serial/mcfuart.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/serial/mcfuart.c b/drivers/serial/mcfuart.c index 88f3eb1..75e85b7 100644 --- a/drivers/serial/mcfuart.c +++ b/drivers/serial/mcfuart.c @@ -63,8 +63,8 @@ int serial_init(void) uart->umr = UART_UMR_SB_STOP_BITS_1; /* Setting up BaudRate */ - counter = (u32) (gd->bus_clk / (gd->baudrate)); - counter >>= 5; + counter = (u32) (gd->bus_clk / 32) + (gd->baudrate / 2)); + counter = counter / gd->baudrate; /* write to CTUR: divide counter upper byte */ uart->ubg1 = (u8) ((counter & 0xff00) >> 8); -- 1.5.4.1 ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ U-Boot-Users mailing list U-Boot-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/u-boot-users