#include <watchdog.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/clock.h>
+#include <serial.h>
+#include <linux/compiler.h>
#define __REG(x) (*((volatile u32 *)(x)))
#define UART_PHYS CONFIG_MXC_UART_BASE
-#ifdef CONFIG_SERIAL_MULTI
-#warning "MXC driver does not support MULTI serials."
-#endif
-
/* Register definitions */
#define URXD 0x0 /* Receiver Register */
#define UTXD 0x40 /* Transmitter Register */
DECLARE_GLOBAL_DATA_PTR;
-void serial_setbrg (void)
+static void mxc_serial_setbrg(void)
{
u32 clk = imx_get_uartclk();
}
-int serial_getc (void)
+static int mxc_serial_getc(void)
{
while (__REG(UART_PHYS + UTS) & UTS_RXEMPTY)
WATCHDOG_RESET();
return (__REG(UART_PHYS + URXD) & URXD_RX_DATA); /* mask out status from upper word */
}
-void serial_putc (const char c)
+static void mxc_serial_putc(const char c)
{
__REG(UART_PHYS + UTXD) = c;
/*
* Test whether a character is in the RX buffer
*/
-int serial_tstc (void)
+static int mxc_serial_tstc(void)
{
/* If receive fifo is empty, return false */
if (__REG(UART_PHYS + UTS) & UTS_RXEMPTY)
return 1;
}
-void
-serial_puts (const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}
-
/*
* Initialise the serial port with the given baudrate. The settings
* are always 8 data bits, no parity, 1 stop bit, no start bits.
*
*/
-int serial_init (void)
+static int mxc_serial_init(void)
{
__REG(UART_PHYS + UCR1) = 0x0;
__REG(UART_PHYS + UCR2) = 0x0;
return 0;
}
+
+static struct serial_device mxc_serial_drv = {
+ .name = "mxc_serial",
+ .start = mxc_serial_init,
+ .stop = NULL,
+ .setbrg = mxc_serial_setbrg,
+ .putc = mxc_serial_putc,
+ .puts = default_serial_puts,
+ .getc = mxc_serial_getc,
+ .tstc = mxc_serial_tstc,
+};
+
+void mxc_serial_initialize(void)
+{
+ serial_register(&mxc_serial_drv);
+}
+
+__weak struct serial_device *default_serial_console(void)
+{
+ return &mxc_serial_drv;
+}