sön 2007-08-19 klockan 18:35 +0200 skrev michael trimarchi:
Fix CD calcutation on serial device.
Signed-off-by: Trimarchi Michael trimarchimichael@yahoo.it
--- cpu/arm920t/at91rm9200/serial.c.orig 2007-08-19 19:26:23.000000000 +0200 +++ cpu/arm920t/at91rm9200/serial.c 2007-08-19 19:29:50.000000000 +0200 @@ -50,14 +50,18 @@ AT91PS_USART us = (AT91PS_USART) AT91C_B AT91PS_USART us = (AT91PS_USART) AT91C_BASE_US1; #endif
+#define BAUDRATE(mck, baud) \
- ((((mck) * 10) % ((baud) * 16)) >= 5) ? \
- (mck / (baud * 16) + 1) : ((mck) / (baud * 16))
void serial_setbrg (void) { int baudrate;
if ((baudrate = gd->baudrate) <= 0) baudrate = CONFIG_BAUDRATE;
- /* MASTER_CLOCK/(16 * baudrate) */
- us->US_BRGR = (AT91C_MASTER_CLOCK >> 4) / (unsigned)baudrate;
- us->US_BRGR = BOUDRATE(AT91C_MASTER_CLOCK, (unsigned)baudrate);
}
You should read the part of the documentation where is says that you should test any patch before sending it to the list.
You have obviously not tested your patch before use, since there is a spelling error. BAUDRATE != BOUDRATE
Pls reject this patch.
BR Ulf Samuelsson