diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/kernel/early_printk.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c index 18ca249..11b4c85 100644 --- a/arch/sh/kernel/early_printk.c +++ b/arch/sh/kernel/early_printk.c @@ -143,6 +143,7 @@ static void scif_sercon_init(char *s) { struct uart_port *port = &scif_port; unsigned baud = DEFAULT_BAUD; + unsigned int status; char *e; if (*s == ',') @@ -161,12 +162,17 @@ static void scif_sercon_init(char *s) baud = DEFAULT_BAUD; } + do { + status = sci_in(port, SCxSR); + } while (!(status & SCxSR_TEND(port))); + sci_out(port, SCSCR, 0); /* TE=0, RE=0 */ sci_out(port, SCSMR, 0); /* Set baud rate */ sci_out(port, SCBRR, (CONFIG_SH_PCLK_FREQ + 16 * baud) / (32 * baud) - 1); + udelay((1000000+(baud-1)) / baud); /* Wait one bit interval */ sci_out(port, SCFCR, 12); sci_out(port, SCFCR, 8); |