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