cvmx-ebt3000.c revision 210286
17494Sjkh/***********************license start*************** 27494Sjkh * Copyright (c) 2003-2008 Cavium Networks (support@cavium.com). All rights 37494Sjkh * reserved. 47494Sjkh * 57494Sjkh * 67494Sjkh * Redistribution and use in source and binary forms, with or without 77494Sjkh * modification, are permitted provided that the following conditions are 87494Sjkh * met: 97494Sjkh * 107494Sjkh * * Redistributions of source code must retain the above copyright 117494Sjkh * notice, this list of conditions and the following disclaimer. 127494Sjkh * 137494Sjkh * * Redistributions in binary form must reproduce the above 147494Sjkh * copyright notice, this list of conditions and the following 157494Sjkh * disclaimer in the documentation and/or other materials provided 167494Sjkh * with the distribution. 177494Sjkh * 187494Sjkh * * Neither the name of Cavium Networks nor the names of 197494Sjkh * its contributors may be used to endorse or promote products 207494Sjkh * derived from this software without specific prior written 217494Sjkh * permission. 227494Sjkh * 237494Sjkh * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" 247494Sjkh * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS 257494Sjkh * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH 267494Sjkh * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY 277494Sjkh * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT 287494Sjkh * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES 2965437Sphantom * OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR 30142665Sphantom * PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET 317494Sjkh * POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT 327494Sjkh * OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU. 337494Sjkh * 347494Sjkh * 3579754Sdd * For any questions regarding licensing please contact marketing@caviumnetworks.com 3659460Sphantom * 3759460Sphantom ***********************license end**************************************/ 387494Sjkh 3984306Sru 407494Sjkh 4135548Sache 427494Sjkh 4379754Sdd 4479754Sdd/** 457494Sjkh * @file 467494Sjkh * 477494Sjkh * Interface to the EBT3000 specific devices 487494Sjkh * 497494Sjkh * <hr>$Revision: 41586 $<hr> 507494Sjkh * 5179754Sdd */ 527494Sjkh 537494Sjkh#include "cvmx-config.h" 547494Sjkh#include "cvmx.h" 5565437Sphantom#include "cvmx-sysinfo.h" 5679754Sdd 577494Sjkh 587494Sjkhvoid ebt3000_char_write(int char_position, char val) 597494Sjkh{ 607494Sjkh /* Note: phys_to_ptr won't work here, as we are most likely going to access the boot bus. */ 61142665Sphantom void *led_base = CASTPTR(void, CVMX_ADD_SEG32(CVMX_MIPS32_SPACE_KSEG0, cvmx_sysinfo_get()->led_display_base_addr)); 62142665Sphantom if (!led_base) 63142665Sphantom return; 64142665Sphantom if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_EBT3000 && cvmx_sysinfo_get()->board_rev_major == 1) 65142665Sphantom { 66147402Sru /* Rev 1 board */ 67142665Sphantom char *ptr = (char *)(led_base + 4); 68142665Sphantom char_position &= 0x3; /* only 4 chars */ 69142665Sphantom ptr[3 - char_position] = val; 70142665Sphantom } 71142665Sphantom else 72142665Sphantom { 73142665Sphantom /* rev 2 or later board */ 747494Sjkh char *ptr = (char *)(led_base); 7551577Sphantom char_position &= 0x7; /* only 8 chars */ 767494Sjkh ptr[char_position] = val; 777494Sjkh } 787494Sjkh} 797494Sjkh 807494Sjkhvoid ebt3000_str_write(const char *str) 8135548Sache{ 82142665Sphantom /* 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