* required, these have to be supplied via some other means (eg, GPIO)
* and hooked into this driver.
*/
-#include <linux/config.h>
#if defined(CONFIG_SERIAL_AMBA_PL010_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
#define SUPPORT_SYSRQ
#include <asm/io.h>
-#define UART_NR 2
+#define UART_NR 8
#define SERIAL_AMBA_MAJOR 204
#define SERIAL_AMBA_MINOR 16
writel(cr, port->membase + UART010_CR);
}
-static void
-#ifdef SUPPORT_SYSRQ
-pl010_rx_chars(struct uart_port *port, struct pt_regs *regs)
-#else
-pl010_rx_chars(struct uart_port *port)
-#endif
+static void pl010_rx_chars(struct uart_port *port)
{
struct tty_struct *tty = port->info->tty;
unsigned int status, ch, flag, rsr, max_count = 256;
*/
rsr = readb(port->membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
if (unlikely(rsr & UART01x_RSR_ANY)) {
+ writel(0, port->membase + UART01x_ECR);
+
if (rsr & UART01x_RSR_BE) {
rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
port->icount.brk++;
flag = TTY_FRAME;
}
- if (uart_handle_sysrq_char(port, ch, regs))
+ if (uart_handle_sysrq_char(port, ch))
goto ignore_char;
uart_insert_char(port, rsr, UART01x_RSR_OE, ch, flag);
wake_up_interruptible(&uap->port.info->delta_msr_wait);
}
-static irqreturn_t pl010_int(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t pl010_int(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
unsigned int status, pass_counter = AMBA_ISR_PASS_LIMIT;
if (status) {
do {
if (status & (UART010_IIR_RTIS | UART010_IIR_RIS))
-#ifdef SUPPORT_SYSRQ
- pl010_rx_chars(port, regs);
-#else
pl010_rx_chars(port);
-#endif
if (status & UART010_IIR_MIS)
pl010_modem_status(port);
if (status & UART010_IIR_TIS)
}
static void
-pl010_set_termios(struct uart_port *port, struct termios *termios,
- struct termios *old)
+pl010_set_termios(struct uart_port *port, struct ktermios *termios,
+ struct ktermios *old)
{
unsigned int lcr_h, old_cr;
unsigned long flags;
*/
if (co->index >= UART_NR)
co->index = 0;
+ if (!amba_ports[co->index])
+ return -ENODEV;
port = &amba_ports[co->index]->port;
if (options)