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authorSimon Glass <sjg@chromium.org>2014-09-04 22:27:32 (GMT)
committerSimon Glass <sjg@chromium.org>2014-09-10 19:00:01 (GMT)
commitfa54eb12431efa845bc5692347ee3a7f39d897bc (patch)
treeaae0a0df851969d36a34df8b18879e03cb6aedfc /drivers/serial/serial_ns16550.c
parent2a9ae6e02f190e8c83450aab9099a9fb5ec48cc9 (diff)
downloadu-boot-fsl-qoriq-fa54eb12431efa845bc5692347ee3a7f39d897bc.tar.xz
dm: serial: Move baud rate calculation to ns16550.c
Move the function that calculates the baud rate divisor into ns16550.c so it can be used by that file. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/serial/serial_ns16550.c')
-rw-r--r--drivers/serial/serial_ns16550.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index dafeed7..632da4c 100644
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -81,7 +81,8 @@ static NS16550_t serial_ports[6] = {
static int eserial##port##_init(void) \
{ \
int clock_divisor; \
- clock_divisor = calc_divisor(serial_ports[port-1]); \
+ clock_divisor = ns16550_calc_divisor(serial_ports[port-1], \
+ CONFIG_SYS_NS16550_CLK, gd->baudrate); \
NS16550_init(serial_ports[port-1], clock_divisor); \
return 0 ; \
} \
@@ -118,14 +119,6 @@ static NS16550_t serial_ports[6] = {
.puts = eserial##port##_puts, \
}
-static int calc_divisor (NS16550_t port)
-{
- const unsigned int mode_x_div = 16;
-
- return DIV_ROUND_CLOSEST(CONFIG_SYS_NS16550_CLK,
- mode_x_div * gd->baudrate);
-}
-
void
_serial_putc(const char c,const int port)
{
@@ -167,7 +160,8 @@ _serial_setbrg (const int port)
{
int clock_divisor;
- clock_divisor = calc_divisor(PORT);
+ clock_divisor = ns16550_calc_divisor(PORT, CONFIG_SYS_NS16550_CLK,
+ gd->baudrate);
NS16550_reinit(PORT, clock_divisor);
}