serial: mxc: Use RFDIV in dm-code

Use RFDIV in dm-code instead of numeric value, so-that
it can be common for dm and non-dm.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Jagan Teki 2017-06-06 05:31:46 +00:00 committed by Stefano Babic
parent ffa8bcd7f1
commit 62af03ee97

View file

@ -76,6 +76,7 @@
#define UFCR_RXTL_SHF 0 /* Receiver trigger level shift */
#define UFCR_RFDIV (7<<7) /* Reference freq divider mask */
#define UFCR_RFDIV_SHF 7 /* Reference freq divider shift */
#define RFDIV 4 /* divide input clock by 2 */
#define UFCR_DCEDTE (1<<6) /* DTE mode select */
#define UFCR_TXTL_SHF 10 /* Transmitter trigger level shift */
#define USR1_PARITYERR (1<<15) /* Parity error interrupt flag */
@ -106,7 +107,7 @@
#define UTS_RXEMPTY (1<<5) /* RxFIFO empty */
#define UTS_TXFULL (1<<4) /* TxFIFO full */
#define UTS_RXFULL (1<<3) /* RxFIFO full */
#define UTS_SOFTRST (1<<0) /* Software reset */
#define UTS_SOFTRS (1<<0) /* Software reset */
DECLARE_GLOBAL_DATA_PTR;
@ -146,7 +147,6 @@ struct mxc_uart {
#define TXTL 2 /* reset default */
#define RXTL 1 /* reset default */
#define RFDIV 4 /* divide input clock by 2 */
static void mxc_serial_setbrg(void)
{
@ -255,7 +255,7 @@ int mxc_serial_setbrg(struct udevice *dev, int baudrate)
u32 clk = imx_get_uartclk();
u32 tmp;
tmp = 4 << UFCR_RFDIV_SHF;
tmp = RFDIV << UFCR_RFDIV_SHF;
if (plat->use_dte)
tmp |= UFCR_DCEDTE;
writel(tmp, &uart->fcr);