cvmx-ebt3000.c revision 242273
1210284Sjmallett/***********************license start*************** 2232812Sjmallett * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights 3215990Sjmallett * reserved. 4210284Sjmallett * 5210284Sjmallett * 6215990Sjmallett * Redistribution and use in source and binary forms, with or without 7215990Sjmallett * modification, are permitted provided that the following conditions are 8215990Sjmallett * met: 9210284Sjmallett * 10215990Sjmallett * * Redistributions of source code must retain the above copyright 11215990Sjmallett * notice, this list of conditions and the following disclaimer. 12210284Sjmallett * 13215990Sjmallett * * Redistributions in binary form must reproduce the above 14215990Sjmallett * copyright notice, this list of conditions and the following 15215990Sjmallett * disclaimer in the documentation and/or other materials provided 16215990Sjmallett * with the distribution. 17215990Sjmallett 18232812Sjmallett * * Neither the name of Cavium Inc. nor the names of 19215990Sjmallett * its contributors may be used to endorse or promote products 20215990Sjmallett * derived from this software without specific prior written 21215990Sjmallett * permission. 22215990Sjmallett 23215990Sjmallett * This Software, including technical data, may be subject to U.S. export control 24215990Sjmallett * laws, including the U.S. Export Administration Act and its associated 25215990Sjmallett * regulations, and may be subject to export or import regulations in other 26215990Sjmallett * countries. 27215990Sjmallett 28215990Sjmallett * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" 29232812Sjmallett * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR 30215990Sjmallett * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO 31215990Sjmallett * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR 32215990Sjmallett * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM 33215990Sjmallett * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, 34215990Sjmallett * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF 35215990Sjmallett * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR 36215990Sjmallett * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR 37215990Sjmallett * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. 38210284Sjmallett ***********************license end**************************************/ 39210284Sjmallett 40210284Sjmallett 41210284Sjmallett 42210284Sjmallett 43210284Sjmallett 44210284Sjmallett 45215990Sjmallett 46210284Sjmallett/** 47210284Sjmallett * @file 48210284Sjmallett * 49210284Sjmallett * Interface to the EBT3000 specific devices 50210284Sjmallett * 51232812Sjmallett * <hr>$Revision: 70030 $<hr> 52210284Sjmallett * 53210284Sjmallett */ 54210284Sjmallett 55242273Sjmallett#if !defined(__FreeBSD__) || !defined(_KERNEL) 56210284Sjmallett#include "cvmx-config.h" 57242273Sjmallett#endif 58210284Sjmallett#include "cvmx.h" 59242273Sjmallett#include "cvmx-ebt3000.h" 60210284Sjmallett#include "cvmx-sysinfo.h" 61210284Sjmallett 62210284Sjmallett 63210284Sjmallettvoid ebt3000_char_write(int char_position, char val) 64210284Sjmallett{ 65210284Sjmallett /* Note: phys_to_ptr won't work here, as we are most likely going to access the boot bus. */ 66242273Sjmallett char *led_base = CASTPTR(char , CVMX_ADD_SEG32(CVMX_MIPS32_SPACE_KSEG0, cvmx_sysinfo_get()->led_display_base_addr)); 67210284Sjmallett if (!led_base) 68210284Sjmallett return; 69210284Sjmallett if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_EBT3000 && cvmx_sysinfo_get()->board_rev_major == 1) 70210284Sjmallett { 71210284Sjmallett /* Rev 1 board */ 72210284Sjmallett char *ptr = (char *)(led_base + 4); 73210284Sjmallett char_position &= 0x3; /* only 4 chars */ 74210284Sjmallett ptr[3 - char_position] = val; 75210284Sjmallett } 76210284Sjmallett else 77210284Sjmallett { 78210284Sjmallett /* rev 2 or later board */ 79210284Sjmallett char *ptr = (char *)(led_base); 80210284Sjmallett char_position &= 0x7; /* only 8 chars */ 81210284Sjmallett ptr[char_position] = val; 82210284Sjmallett } 83210284Sjmallett} 84210284Sjmallett 85210284Sjmallettvoid ebt3000_str_write(const char *str) 86210284Sjmallett{ 87210284Sjmallett /* Note: phys_to_ptr won't work here, as we are most likely going to access the boot bus. */ 88242273Sjmallett char *led_base; 89210284Sjmallett if (!cvmx_sysinfo_get()->led_display_base_addr) 90210284Sjmallett return; 91242273Sjmallett led_base = CASTPTR(char, CVMX_ADD_SEG32(CVMX_MIPS32_SPACE_KSEG0, cvmx_sysinfo_get()->led_display_base_addr)); 92210284Sjmallett if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_EBT3000 && cvmx_sysinfo_get()->board_rev_major == 1) 93210284Sjmallett { 94210284Sjmallett char *ptr = (char *)(led_base + 4); 95210284Sjmallett int i; 96210284Sjmallett for (i=0; i<4; i++) 97210284Sjmallett { 98210284Sjmallett if (*str) 99210284Sjmallett ptr[3 - i] = *str++; 100210284Sjmallett else 101210284Sjmallett ptr[3 - i] = ' '; 102210284Sjmallett } 103210284Sjmallett } 104210284Sjmallett else 105210284Sjmallett { 106210284Sjmallett /* rev 2 board */ 107210284Sjmallett char *ptr = (char *)(led_base); 108210284Sjmallett int i; 109210284Sjmallett for (i=0; i<8; i++) 110210284Sjmallett { 111210284Sjmallett if (*str) 112210284Sjmallett ptr[i] = *str++; 113210284Sjmallett else 114210284Sjmallett ptr[i] = ' '; 115210284Sjmallett } 116210284Sjmallett } 117210284Sjmallett} 118