port->ip_tx_prod = readl(&port->ip_serial_regs->stcir) & PROD_CONS_MASK;
writel(port->ip_tx_prod, &port->ip_serial_regs->stpir);
port->ip_rx_cons = readl(&port->ip_serial_regs->srpir) & PROD_CONS_MASK;
- writel(port->ip_rx_cons, &port->ip_serial_regs->srcir);
+ writel(port->ip_rx_cons | IOC4_SRCIR_ARM, &port->ip_serial_regs->srcir);
/* Disable interrupts for this 16550 */
uart = port->ip_uart_regs;
* and set the rx threshold to that amount. There are 4 chars
* per ring entry, so we'll divide the number of chars that will
* arrive in timeout by 4.
+ * So .... timeout * baud / 10 / HZ / 4, with HZ = 100.
*/
- threshold = timeout * port->ip_baud / 10 / HZ / 4;
+ threshold = timeout * port->ip_baud / 4000;
if (threshold == 0)
threshold = 1; /* otherwise we'll intr all the time! */
writel(port->ip_sscr, &port->ip_serial_regs->sscr);
- /* Now set the rx timeout to the given value */
- timeout = timeout * IOC4_SRTR_HZ / HZ;
+ /* Now set the rx timeout to the given value
+ * again timeout * IOC4_SRTR_HZ / HZ
+ */
+ timeout = timeout * IOC4_SRTR_HZ / 100;
if (timeout > IOC4_SRTR_CNT)
timeout = IOC4_SRTR_CNT;
if (port->ip_tx_lowat == 0)
port->ip_tx_lowat = 1;
- set_rx_timeout(port, port->ip_rx_timeout);
+ set_rx_timeout(port, 2);
return 0;
}
{
struct ioc4_port *port = get_ioc4_port(the_port);
int baud, bits;
- unsigned cflag, cval;
- int new_parity = 0, new_parity_enable = 0, new_stop = 1, new_data = 8;
+ unsigned cflag;
+ int new_parity = 0, new_parity_enable = 0, new_stop = 0, new_data = 8;
struct uart_info *info = the_port->info;
cflag = new_termios->c_cflag;
switch (cflag & CSIZE) {
case CS5:
new_data = 5;
- cval = 0x00;
bits = 7;
break;
case CS6:
new_data = 6;
- cval = 0x01;
bits = 8;
break;
case CS7:
new_data = 7;
- cval = 0x02;
bits = 9;
break;
case CS8:
new_data = 8;
- cval = 0x03;
bits = 10;
break;
default:
/* cuz we always need a default ... */
new_data = 5;
- cval = 0x00;
bits = 7;
break;
}
if (cflag & CSTOPB) {
- cval |= 0x04;
bits++;
new_stop = 1;
}
if (cflag & PARENB) {
- cval |= UART_LCR_PARITY;
bits++;
new_parity_enable = 1;
- }
- if (cflag & PARODD) {
- cval |= UART_LCR_EPAR;
- new_parity = 1;
- }
- if (cflag & IGNPAR) {
- cval &= ~UART_LCR_PARITY;
- new_parity_enable = 0;
+ if (cflag & PARODD)
+ new_parity = 1;
}
baud = uart_get_baud_rate(the_port, new_termios, old_termios,
MIN_BAUD_SUPPORTED, MAX_BAUD_SUPPORTED);
if (cflag & CRTSCTS) {
info->flags |= ASYNC_CTS_FLOW;
port->ip_sscr |= IOC4_SSCR_HFC_EN;
- writel(port->ip_sscr, &port->ip_serial_regs->sscr);
}
- else
+ else {
info->flags &= ~ASYNC_CTS_FLOW;
+ port->ip_sscr &= ~IOC4_SSCR_HFC_EN;
+ }
+ writel(port->ip_sscr, &port->ip_serial_regs->sscr);
/* Set the configuration and proper notification call */
DPRINT_CONFIG(("%s : port 0x%p cflag 0%o "
}
}
-
/**
* handle_intr - service any interrupts for the given port - 2nd level
* called via sd_intr