1/***********************license start***************
2 * Copyright (c) 2003-2010  Cavium Networks (support@cavium.com). All rights
3 * reserved.
4 *
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 *   * Redistributions of source code must retain the above copyright
11 *     notice, this list of conditions and the following disclaimer.
12 *
13 *   * Redistributions in binary form must reproduce the above
14 *     copyright notice, this list of conditions and the following
15 *     disclaimer in the documentation and/or other materials provided
16 *     with the distribution.
17
18 *   * Neither the name of Cavium Networks nor the names of
19 *     its contributors may be used to endorse or promote products
20 *     derived from this software without specific prior written
21 *     permission.
22
23 * This Software, including technical data, may be subject to U.S. export  control
24 * laws, including the U.S. Export Administration Act and its  associated
25 * regulations, and may be subject to export or import  regulations in other
26 * countries.
27
28 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
29 * AND WITH ALL FAULTS AND CAVIUM  NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
30 * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
31 * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
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33 * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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36 * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK ARISING OUT OF USE OR
37 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
38 ***********************license end**************************************/
39
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44
45
46/**
47 * @file
48 *
49 * Interface to the EBT3000 specific devices
50 *
51 * <hr>$Revision: 49448 $<hr>
52 *
53 */
54
55#include "cvmx-config.h"
56#include "cvmx.h"
57#include "cvmx-sysinfo.h"
58
59
60void ebt3000_char_write(int char_position, char val)
61{
62    /* Note: phys_to_ptr won't work here, as we are most likely going to access the boot bus. */
63    void *led_base = CASTPTR(void, CVMX_ADD_SEG32(CVMX_MIPS32_SPACE_KSEG0, cvmx_sysinfo_get()->led_display_base_addr));
64    if (!led_base)
65        return;
66    if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_EBT3000 && cvmx_sysinfo_get()->board_rev_major == 1)
67    {
68        /* Rev 1 board */
69        char *ptr = (char *)(led_base + 4);
70        char_position &= 0x3;  /* only 4 chars */
71        ptr[3 - char_position] = val;
72    }
73    else
74    {
75        /* rev 2 or later board */
76        char *ptr = (char *)(led_base);
77        char_position &= 0x7;  /* only 8 chars */
78        ptr[char_position] = val;
79    }
80}
81
82void ebt3000_str_write(const char *str)
83{
84    /* Note: phys_to_ptr won't work here, as we are most likely going to access the boot bus. */
85    void *led_base;
86    if (!cvmx_sysinfo_get()->led_display_base_addr)
87        return;
88    led_base = CASTPTR(void, CVMX_ADD_SEG32(CVMX_MIPS32_SPACE_KSEG0, cvmx_sysinfo_get()->led_display_base_addr));
89    if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_EBT3000 && cvmx_sysinfo_get()->board_rev_major == 1)
90    {
91        char *ptr = (char *)(led_base + 4);
92        int i;
93        for (i=0; i<4; i++)
94        {
95            if (*str)
96                ptr[3 - i] = *str++;
97            else
98                ptr[3 - i] = ' ';
99        }
100    }
101    else
102    {
103        /* rev 2 board */
104        char *ptr = (char *)(led_base);
105        int i;
106        for (i=0; i<8; i++)
107        {
108            if (*str)
109                ptr[i] = *str++;
110            else
111                ptr[i] = ' ';
112        }
113    }
114}
115