| 1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== |
| 3 | * |
| 4 | * OpenSPARC T2 Processor File: PCIeCFGWr.s |
| 5 | * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved |
| 6 | * 4150 Network Circle, Santa Clara, California 95054, U.S.A. |
| 7 | * |
| 8 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; version 2 of the License. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 22 | * |
| 23 | * For the avoidance of doubt, and except that if any non-GPL license |
| 24 | * choice is available it will apply instead, Sun elects to use only |
| 25 | * the General Public License version 2 (GPLv2) at this time for any |
| 26 | * software where a choice of GPL license versions is made |
| 27 | * available with the language indicating that GPLv2 or any later version |
| 28 | * may be used, or where a choice of which version of the GPL is applied is |
| 29 | * otherwise unspecified. |
| 30 | * |
| 31 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 32 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 33 | * have any questions. |
| 34 | * |
| 35 | * |
| 36 | * ========== Copyright Header End ============================================ |
| 37 | */ |
| 38 | #define ENABLE_PCIE_LINK_TRAINING |
| 39 | /* #define MAIN_PAGE_NUCLEUS_ALSO */ /* Access main in priviledge mode */ |
| 40 | #define MAIN_PAGE_HV_ALSO |
| 41 | |
| 42 | #include "hboot.s" |
| 43 | #include "peu_defines.h" |
| 44 | !#include "dmu_peu_regs.h" |
| 45 | |
| 46 | #define CFG0_WR_ADDR mpeval(N2_PCIE_BASE_ADDR + IOCFG_OFFSET_BASE_REG_DATA) |
| 47 | #define CFG1_WR_ADDR mpeval((N2_PCIE_BASE_ADDR + IOCFG_OFFSET_BASE_REG_DATA) | CFG1_ACCESS_PA) |
| 48 | |
| 49 | !#define CFG_WR_ADDR mpeval(N2_PCIE_BASE_ADDR + IOCFG_OFFSET_BASE_REG_DATA) |
| 50 | |
| 51 | ! ignore lower 2-bits of address. these are used for byte enables. |
| 52 | ! only bits [27: 0] are used for CFG accesses. zero out other bits |
| 53 | ! IOCFG_OFFSET_MASK_REG_DATA = 0x0000000d0ef00210 |
| 54 | ! IOCFG_OFFSET_MASK_REG_DATA >>2 = 0x003bc0084 |
| 55 | ! align it to 8-byte boundary, else midas will complain |
| 56 | !#define CFG_WR_ADDR mpeval(N2_PCIE_BASE_ADDR + 0x003bc0080) |
| 57 | |
| 58 | !#define CFGA_UE 0ef000000 |
| 59 | #define CFGA_UE substr(CFG1_WR_ADDR, 2) |
| 60 | #define CFGA_DAT eval(CFGA_UE, 16) |
| 61 | |
| 62 | /************************************************************************ |
| 63 | Test case code start |
| 64 | ************************************************************************/ |
| 65 | .text |
| 66 | .global main |
| 67 | |
| 68 | main: |
| 69 | ta T_CHANGE_HPRIV |
| 70 | nop |
| 71 | |
| 72 | XmtCmd: |
| 73 | ! select a CFG address in PCI address range and transmit the command to NCU |
| 74 | |
| 75 | ! store byte |
| 76 | setx CFG1_WR_ADDR, %g1, %g2 |
| 77 | setx 0x23222120, %g1, %l0 |
| 78 | stb %l0, [%g2] |
| 79 | |
| 80 | ! store half-word |
| 81 | setx CFG1_WR_ADDR, %g1, %g2 |
| 82 | setx 0x33323130, %g1, %l0 |
| 83 | sth %l0, [%g2] |
| 84 | |
| 85 | ! store word |
| 86 | setx CFG1_WR_ADDR, %g1, %g2 |
| 87 | setx 0x7f7e7d7c, %g1, %l0 |
| 88 | stw %l0, [%g2] |
| 89 | |
| 90 | |
| 91 | test_passed: |
| 92 | EXIT_GOOD |
| 93 | |
| 94 | test_failed: |
| 95 | EXIT_BAD |
| 96 | |
| 97 | |
| 98 | |
| 99 | /************************************************************************ |
| 100 | Test case data start |
| 101 | ************************************************************************/ |
| 102 | |
| 103 | SECTION .DATA DATA_VA=CFG1_WR_ADDR |
| 104 | attr_data { |
| 105 | Name = .DATA, |
| 106 | hypervisor, |
| 107 | compressimage |
| 108 | } |
| 109 | |
| 110 | .data |
| 111 | .global PCIAddr9 |
| 112 | |
| 113 | data0: .word 0xccccdddd |
| 114 | data1: .word 0xeeeeffff |
| 115 | /************************************************************************/ |