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/*
* COPYRIGHT (c) 2010 Eugen Leontie.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <bsp.h>
#include <libchip/serial.h>
extern void ofw_write(const char *,const int );
extern void ofw_read(void *,int );
int sun4v_console_device_first_open(int major, int minor, void *arg)
{
return 0;
}
static ssize_t sun4v_console_poll_write(int minor, const char *buf, size_t n)
{
ofw_write(buf, n);
return 0;
}
void sun4v_console_deviceInitialize (int minor)
{
}
int sun4v_console_poll_read(int minor){
int a;
ofw_read(&a,1);
if(a!=0){
return a>>24;
}
return -1;
}
bool sun4v_console_deviceProbe (int minor){
return true;
}
/*
* Polled mode functions
*/
const console_fns pooled_functions={
sun4v_console_deviceProbe, /* deviceProbe */
sun4v_console_device_first_open, /* deviceFirstOpen */
NULL, /* deviceLastClose */
sun4v_console_poll_read, /* deviceRead */
sun4v_console_poll_write, /* deviceWrite */
sun4v_console_deviceInitialize, /* deviceInitialize */
NULL, /* deviceWritePolled */
NULL, /* deviceSetAttributes */
NULL /* deviceOutputUsesInterrupts */
};
const console_flow sun4v_console_console_flow = {
NULL, /* deviceStopRemoteTx */
NULL /* deviceStartRemoteTx */
};
console_tbl Console_Configuration_Ports[] = {
{
"/dev/ttyS0", /* sDeviceName */
SERIAL_CUSTOM, /* deviceType */
&pooled_functions, /* pDeviceFns */
NULL, /* deviceProbe, assume it is there */
&sun4v_console_console_flow, /* pDeviceFlow */
0, /* ulMargin */
0, /* ulHysteresis */
(void *) NULL, /* pDeviceParams */
0, /* ulCtrlPort1 */
0, /* ulCtrlPort2 */
1, /* ulDataPort */
NULL, /* getRegister */
NULL, /* setRegister */
NULL, /* unused */ /* getData */
NULL, /* unused */ /* setData */
0, /* ulClock */
0 /* ulIntVector -- base for port */
},
};
/*
* Declare some information used by the console driver
*/
#define NUM_CONSOLE_PORTS 1
unsigned long Console_Configuration_Count = NUM_CONSOLE_PORTS;
/* putchar/getchar for printk */
static void bsp_out_char (char c)
{
ofw_write(&c, 1);
}
BSP_output_char_function_type BSP_output_char = bsp_out_char;
static int bsp_in_char( void ){
int tmp;
ofw_read( &tmp, 1 ); /* blocks */
if( tmp != 0 ) {
return tmp>>24;
}
return -1;
}
BSP_polling_getchar_function_type BSP_poll_char = bsp_in_char;
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