cvmx-ebt3000.c revision 210284 
1/***********************license start***************
2 *  Copyright (c) 2003-2008 Cavium Networks (support@cavium.com). All rights
3 *  reserved.
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37 ***********************license end**************************************/
38
39
40
41
42
43
44/**
45 * @file
46 *
47 * Interface to the EBT3000 specific devices
48 *
49 * <hr>$Revision: 41586 $<hr>
50 *
51 */
52
53#include "cvmx-config.h"
54#include "cvmx.h"
55#include "cvmx-sysinfo.h"
56
57
58void ebt3000_char_write(int char_position, char val)
59{
60    /* Note: phys_to_ptr won't work here, as we are most likely going to access the boot bus. */
61    void *led_base = CASTPTR(void, CVMX_ADD_SEG32(CVMX_MIPS32_SPACE_KSEG0, cvmx_sysinfo_get()->led_display_base_addr));
62    if (!led_base)
63        return;
64    if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_EBT3000 && cvmx_sysinfo_get()->board_rev_major == 1)
65    {
66        /* Rev 1 board */
67        char *ptr = (char *)(led_base + 4);
68        char_position &= 0x3;  /* only 4 chars */
69        ptr[3 - char_position] = val;
70    }
71    else
72    {
73        /* rev 2 or later board */
74        char *ptr = (char *)(led_base);
75        char_position &= 0x7;  /* only 8 chars */
76        ptr[char_position] = val;
77    }
78}
79
80void ebt3000_str_write(const char *str)
81{
82    /* Note: phys_to_ptr won't work here, as we are most likely going to access the boot bus. */
83    void *led_base;
84    if (!cvmx_sysinfo_get()->led_display_base_addr)
85        return;
86    led_base = CASTPTR(void, CVMX_ADD_SEG32(CVMX_MIPS32_SPACE_KSEG0, cvmx_sysinfo_get()->led_display_base_addr));
87    if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_EBT3000 && cvmx_sysinfo_get()->board_rev_major == 1)
88    {
89        char *ptr = (char *)(led_base + 4);
90        int i;
91        for (i=0; i<4; i++)
92        {
93            if (*str)
94                ptr[3 - i] = *str++;
95            else
96                ptr[3 - i] = ' ';
97        }
98    }
99    else
100    {
101        /* rev 2 board */
102        char *ptr = (char *)(led_base);
103        int i;
104        for (i=0; i<8; i++)
105        {
106            if (*str)
107                ptr[i] = *str++;
108            else
109                ptr[i] = ' ';
110        }
111    }
112}
113