freebsd-skq/cvmx-ebt3000.c

113 lines
3.6 KiB
C

/***********************license start***************
* Copyright (c) 2003-2008 Cavium Networks (support@cavium.com). All rights
* reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of Cavium Networks nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS
* OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
* RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET
* POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT
* OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
*
*
* For any questions regarding licensing please contact marketing@caviumnetworks.com
*
***********************license end**************************************/
/**
* @file
*
* Interface to the EBT3000 specific devices
*
* <hr>$Revision: 41586 $<hr>
*
*/
#include "cvmx-config.h"
#include "cvmx.h"
#include "cvmx-sysinfo.h"
void ebt3000_char_write(int char_position, char val)
{
/* Note: phys_to_ptr won't work here, as we are most likely going to access the boot bus. */
void *led_base = CASTPTR(void, CVMX_ADD_SEG32(CVMX_MIPS32_SPACE_KSEG0, cvmx_sysinfo_get()->led_display_base_addr));
if (!led_base)
return;
if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_EBT3000 && cvmx_sysinfo_get()->board_rev_major == 1)
{
/* Rev 1 board */
char *ptr = (char *)(led_base + 4);
char_position &= 0x3; /* only 4 chars */
ptr[3 - char_position] = val;
}
else
{
/* rev 2 or later board */
char *ptr = (char *)(led_base);
char_position &= 0x7; /* only 8 chars */
ptr[char_position] = val;
}
}
void ebt3000_str_write(const char *str)
{
/* Note: phys_to_ptr won't work here, as we are most likely going to access the boot bus. */
void *led_base;
if (!cvmx_sysinfo_get()->led_display_base_addr)
return;
led_base = CASTPTR(void, CVMX_ADD_SEG32(CVMX_MIPS32_SPACE_KSEG0, cvmx_sysinfo_get()->led_display_base_addr));
if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_EBT3000 && cvmx_sysinfo_get()->board_rev_major == 1)
{
char *ptr = (char *)(led_base + 4);
int i;
for (i=0; i<4; i++)
{
if (*str)
ptr[3 - i] = *str++;
else
ptr[3 - i] = ' ';
}
}
else
{
/* rev 2 board */
char *ptr = (char *)(led_base);
int i;
for (i=0; i<8; i++)
{
if (*str)
ptr[i] = *str++;
else
ptr[i] = ' ';
}
}
}