cvmx-ebt3000.c revision 210284
1/***********************license start*************** 2 * Copyright (c) 2003-2008 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 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" 24 * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS 25 * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH 26 * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY 27 * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT 28 * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES 29 * OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR 30 * PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET 31 * POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT 32 * OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU. 33 * 34 * 35 * For any questions regarding licensing please contact marketing@caviumnetworks.com 36 * 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