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path: root/drivers/serial/mcf.c
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Diffstat (limited to 'drivers/serial/mcf.c')
-rw-r--r--drivers/serial/mcf.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c
index b2001c5b145c..56841fe5f483 100644
--- a/drivers/serial/mcf.c
+++ b/drivers/serial/mcf.c
@@ -212,10 +212,18 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios,
212{ 212{
213 unsigned long flags; 213 unsigned long flags;
214 unsigned int baud, baudclk; 214 unsigned int baud, baudclk;
215#if defined(CONFIG_M5272)
216 unsigned int baudfr;
217#endif
215 unsigned char mr1, mr2; 218 unsigned char mr1, mr2;
216 219
217 baud = uart_get_baud_rate(port, termios, old, 0, 230400); 220 baud = uart_get_baud_rate(port, termios, old, 0, 230400);
221#if defined(CONFIG_M5272)
222 baudclk = (MCF_BUSCLK / baud) / 32;
223 baudfr = (((MCF_BUSCLK / baud) + 1) / 2) % 16;
224#else
218 baudclk = ((MCF_BUSCLK / baud) + 16) / 32; 225 baudclk = ((MCF_BUSCLK / baud) + 16) / 32;
226#endif
219 227
220 mr1 = MCFUART_MR1_RXIRQRDY | MCFUART_MR1_RXERRCHAR; 228 mr1 = MCFUART_MR1_RXIRQRDY | MCFUART_MR1_RXERRCHAR;
221 mr2 = 0; 229 mr2 = 0;
@@ -262,6 +270,9 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios,
262 writeb(mr2, port->membase + MCFUART_UMR); 270 writeb(mr2, port->membase + MCFUART_UMR);
263 writeb((baudclk & 0xff00) >> 8, port->membase + MCFUART_UBG1); 271 writeb((baudclk & 0xff00) >> 8, port->membase + MCFUART_UBG1);
264 writeb((baudclk & 0xff), port->membase + MCFUART_UBG2); 272 writeb((baudclk & 0xff), port->membase + MCFUART_UBG2);
273#if defined(CONFIG_M5272)
274 writeb((baudfr & 0x0f), port->membase + MCFUART_UFPD);
275#endif
265 writeb(MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER, 276 writeb(MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER,
266 port->membase + MCFUART_UCSR); 277 port->membase + MCFUART_UCSR);
267 writeb(MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE, 278 writeb(MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE,