/* * ========== Copyright Header Begin ========================================== * * OpenSPARC T2 Processor File: tcu_clkstp_socdbgevent.s * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved * 4150 Network Circle, Santa Clara, California 95054, U.S.A. * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * For the avoidance of doubt, and except that if any non-GPL license * choice is available it will apply instead, Sun elects to use only * the General Public License version 2 (GPLv2) at this time for any * software where a choice of GPL license versions is made * available with the language indicating that GPLv2 or any later version * may be used, or where a choice of which version of the GPL is applied is * otherwise unspecified. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * * * ========== Copyright Header End ============================================ */ #define MAIN_PAGE_NUCLEUS_ALSO #define MAIN_PAGE_HV_ALSO #define Soc_Decr_Pa 0x8600000010 #define L2_ERR_STAT_REG 0xAB00000000 #define L2_ERR_ADDR_REG 0xAC00000000 #define TEST_DATA0 0x1000100081c3e008 #define TEST_DATA1 0x2000200081c3e008 #define TEST_DATA2 0x3000300081c3e008 #define L2_ES_W1C_VALUE 0xc03ffff800000000 #define DRAM_ES_W1C_VALUE 0xfe00000000000000 #ifdef MCU0 #define L2_BANK_ADDR 0x0 #define MCU_BANK_ADDR 0x0 #define DRAM_ERR_INJ_REG 0x8400000290 #define DRAM_ERR_STAT_REG 0x8400000280 #define ERROR_ADDR 0x20200000 #define DBG_ERR_PA 0xAA00000000 #define DBG_ERR_VAL 0x4 #ifdef SOC_TRIGOUT #define Soc_Decr_Val 0x00000000000003 #else #define Soc_Decr_Val 0x00000000000002 #endif #define L2_Addr_Mask_Reg 0xAF00000000 #define L2_Addr_Mask_Val 0x000000002200aa00 #define L2_Addr_Cmp_Reg 0xBF00000000 #define L2_Addr_Cmp_Val 0x000000002200aa00 #endif #ifdef MCU1 #define L2_BANK_ADDR 0x80 #define MCU_BANK_ADDR 0x80 #define DRAM_ERR_INJ_REG 0x8400001290 #define DRAM_ERR_STAT_REG 0x8400001280 #define DBG_ERR_PA 0xAA00000080 #define DBG_ERR_VAL 0x4 #ifdef SOC_TRIGOUT #define Soc_Decr_Val 0x00000000000030 #else #define Soc_Decr_Val 0x00000000000020 #endif #define L2_Addr_Mask_Reg 0xAF00000080 #define L2_Addr_Mask_Val 0x000000002200aa00 #define L2_Addr_Cmp_Reg 0xBF00000080 #define L2_Addr_Cmp_Val 0x000000002200aa00 #endif #ifdef MCU2 #define L2_BANK_ADDR 0x100 #define MCU_BANK_ADDR 0x100 #define DRAM_ERR_INJ_REG 0x8400002290 #define DRAM_ERR_STAT_REG 0x8400002280 #define ERROR_ADDR 0x20200100 #define DBG_ERR_PA 0xAA00000100 #define DBG_ERR_VAL 0x4 #ifdef SOC_TRIGOUT #define Soc_Decr_Val 0x00000000000300 #else #define Soc_Decr_Val 0x00000000000200 #endif #define L2_Addr_Mask_Reg 0xAF00000100 #define L2_Addr_Mask_Val 0x000000002200aa00 #define L2_Addr_Cmp_Reg 0xBF00000100 #define L2_Addr_Cmp_Val 0x000000002200aa00 #endif #ifdef MCU3 #define L2_BANK_ADDR 0x180 #define MCU_BANK_ADDR 0x180 #define DRAM_ERR_INJ_REG 0x8400003290 #define DRAM_ERR_STAT_REG 0x8400003280 #define DBG_ERR_PA 0xAA00000180 #define DBG_ERR_VAL 0x4 #ifdef SOC_TRIGOUT #define Soc_Decr_Val 0x00000000003000 #else #define Soc_Decr_Val 0x00000000002000 #endif #define L2_Addr_Mask_Reg 0xAF00000180 #define L2_Addr_Mask_Val 0x000000002200aa00 #define L2_Addr_Cmp_Reg 0xBF00000180 #define L2_Addr_Cmp_Val 0x000000002200aa00 #endif #include "hboot.s" #include "asi_s.h" #include "err_defines.h" #include "rst_defines.h" .text .global main .global My_Corrected_ECC_error_trap main: ta T_CHANGE_HPRIV !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!! Check if this is the first time or after WMR reset !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! setx wmr_flag, %g1, %g2 ldx [%g2], %g3 brnz %g3, After_Warm_Reset nop dec %g3 ! First time thru, Store a non-zero value stx %g3, [%g2] membar #Sync !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!! before WMR reset: delay loop for Vera programming !!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! #ifdef PREWMR_VERA_PROG_DEL setx PREWMR_VERA_PROG_DEL, %g1, %g2 1: dec %g2 brnz %g2, 1b nop #endif !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!! Bring FBD links down and do WMR reset !!!! Warning: ensure the code is in the cache before bringing down the links !!!! since cannot fetch from DRAM when the links is down. !!!! NOTE: use %g2 and %g3 for WMR. Use %g4, %g5, %g6 and %g7 for MCU0/1/2/3 FBD_CHANNEL_STATE_REG !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! mov 0x84, %g1 ! upper bits of MCU0's FBD_CHANNEL_STATE_REG address is 0x8400000800 mov 0x800, %g2 ! lower bits of MCU0's FBD_CHANNEL_STATE_REG address is 0x8400000800 sllx %g1, 32, %g3 or %g2, %g3, %g4 ! %g4 contains MCU0's FBD_CHANNEL_STATE_REG address or 0x8400000800 add %g4, 0x1000, %g5 ! %g5 contains MCU1's FBD_CHANNEL_STATE_REG address which is 0x1000 higher than MCU0 add %g5, 0x1000, %g6 ! %g6 contains MCU2's FBD_CHANNEL_STATE_REG address which is 0x1000 higher than MCU1 add %g6, 0x1000, %g7 ! %g7 contains MCU3's FBD_CHANNEL_STATE_REG address which is 0x1000 higher than MCU2 setx RST_RESET_GEN, %g1, %g2 ! %g2 is addr of RESET_GEN register mov RST_RESET_GEN__WMR_GEN, %g3 ! %g3 is write data for WMR_GEN bit or bit 0 of RESET_GEN reg mov 0x1, %g1 ! will set %g1 to 0 at end of branching ba 2f ! need this since can have garbage code between here and next aligned label nop .align 64 2: brnz %g1, 1f nop clrx [%g4] ! set MCU0's FBD_CHANNEL_STATE_REG to 0 1: brnz %g1, 1f nop clrx [%g5] ! set MCU1's FBD_CHANNEL_STATE_REG to 0 1: brnz %g1, 1f nop clrx [%g6] ! set MCU2's FBD_CHANNEL_STATE_REG to 0 1: brnz %g1, 1f nop clrx [%g7] ! set MCU3's FBD_CHANNEL_STATE_REG to 0 1: brnz %g1, 1f nop stx %g3, [%g2] ! Write 0x1 to RESET_GEN to start Warm Reset 1: brz %g1, 1f nop mov %g0, %g1 nop 1: brz %g0, 2b nop !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!! after WMR reset !!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! After_Warm_Reset: or %g0, %g0, %g1 ! few dummy instructions or %g0, %g0, %g1 ! few dummy instructions !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!! after WMR reset: delay loop for Vera programming !!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! #ifdef POSTWMR_VERA_PROG_DEL setx POSTWMR_VERA_PROG_DEL, %l2, %l1 1: dec %l1 brnz %l1, 1b nop #endif membar #Sync !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!! from here down is the original diag !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! setup_soc_decr_reg: setx L2_Addr_Mask_Reg,%l1,%l4 add %l4,L2_BANK_ADDR,%l4 setx L2_Addr_Mask_Val,%l2,%l3 add %l3,L2_BANK_ADDR,%l3 stx %l3,[%l4] nop membar 0x40 setx L2_Addr_Cmp_Reg,%l4,%l5 add %l5,L2_BANK_ADDR,%l5 setx L2_Addr_Cmp_Val,%g5,%g4 add %g4,L2_BANK_ADDR,%g4 stx %g4,[%l5] nop membar 0x40 nop setx Soc_Decr_Pa,%l1,%g4 setx Soc_Decr_Val,%l7,%g5 stx %g5,[%g4] nop membar 0x40 disable_l1: ldxa [%g0] ASI_LSU_CONTROL, %l0 ! Remove the lower 2 bits (I-Cache and D-Cache enables) andn %l0, 0x3, %l0 stxa %l0, [%g0] ASI_LSU_CONTROL clear_dram_esr_0: ! Clear DRAM Error status register (Bit[63:57] write-1-clear) setx DRAM_ES_W1C_VALUE, %l0, %l5 setx DRAM_ERR_STAT_REG, %l3, %g5 ! add %g5, MCU_BANK_ADDR, %g5 stx %l5, [%g5] set_DRAM_error_inject_ch0: mov 0x606, %l1 ! ECC Mask (Multi-bit error) mov 0x1, %l2 sllx %l2, DRAM_EI_SSHOT, %l3 Or %l1, %l3, %l1 ! Set single shot ; mov 0x1, %l2 sllx %l2, DRAM_EI_ENB, %l3 or %l1, %l3, %l1 ! Enable error injection for the next write setx DRAM_ERR_INJ_REG, %l3, %g6 ! add %g6, MCU_BANK_ADDR, %g6 stx %l1, [%g6] membar 0x40 enable_err_reporting: setx L2EE_PA0, %l0, %l1 add %l1, L2_BANK_ADDR, %l1 ldx [%l1], %l2 mov 0x3, %l0 or %l2, %l0, %l2 stx %l2, [%l1] ! Write 1 to clear L2 Error status registers clear_l2_ESR: setx L2ES_PA0, %l3, %l4 add %l4, L2_BANK_ADDR, %l4 stx %l5, [%l4] nop set_L2_Off_Mode: setx L2CS_PA0, %l6, %g1 add %g1, L2_BANK_ADDR, %g1 mov 0x1, %l0 stx %l0, [%g1] store_to_L2_way0: setx 0x2200aa00, %l0, %g2 ! bits [21:18] select way add %g2, L2_BANK_ADDR, %g2 stx %g5, [%g2] membar #Sync read_error_address_ch0: ldx [%g2], %l1 membar #Sync ! Storing to same L2 way0 but different tag,this will write to mcu write_mcu_channel_0: setx 0x2100aa00, %l0, %g3 ! bits [21:18] select way add %g3, L2_BANK_ADDR, %g3 stx %g5, [%g3] membar #Sync /** *read_error_address_ch0: * ldx [%g2], %l1 * membar #Sync *! ldx [%g3], %l2 *! membar #Sync **/ check_DRAM_ESR_0: setx DRAM_ERR_STAT_REG, %l3, %g5 ! add %g5, MCU_BANK_ADDR, %g5 ldx [%g5], %l6 setx 0xffc0000000000000, %l0,%o2 and %l6,%o2,%l6 compute_dram_ESR: mov 0x1, %l1 sllx %l1, DRAM_ES_DAU, %l0 verify_dram_ESR: cmp %l0, %l6 // bne %xcc, test_fail nop check_L2_ESR_0: setx L2_ERR_STAT_REG, %l3, %g5 add %g5, L2_BANK_ADDR, %g5 ldx [%g5], %l6 compute_L2_ESR: setx 0xfffffffff0000000, %l3, %l0 andcc %l0, %l6, %l0 ! Donot check L2ESR SYND bits mov 0x1, %l1 sllx %l1, L2ES_DAU, %l0 mov 0x1, %l1 sllx %l1, L2ES_VEU, %l2 or %l0, %l2, %l3 verify_L2_ESR: cmp %l6, %l3 bne %xcc, test_fail nop setx L2EA_PA0, %l2, %l3 add %l3, L2_BANK_ADDR, %l3 check_l2_EAR: ldx [%l3], %l4 ! Error address is the physical address of the cache line (PA[5:0] 0) setx 0x2200aa00, %l0, %g2 ! bits [21:18] select way add %g2, L2_BANK_ADDR, %g2 setx 0xffffffffc0, %l0,%o2 and %l4, %o2, %l4 cmp %l4, %g2 // bne %xcc, test_fail nop check_Corr_err_trap: ! Check if a Corrected ECC Error Trap happened set EXECUTED, %l0 cmp %o0, %l0 // bne test_fail nop mov TT_Data_Access_Error, %l0 cmp %o1, %l0 // bne test_fail nop ba test_pass nop My_Corrected_ECC_error_trap: !My_Recoverable_Sw_error_trap: ! Signal trap taken setx EXECUTED, %l0, %o0 ! save trap type value rdpr %tt, %o1 retry nop /******************************************************* * Exit code *******************************************************/ test_pass: ta T_GOOD_TRAP test_fail: ta T_BAD_TRAP /************************************************************************ * Test case data start ************************************************************************/ .data wmr_flag: .xword 0x0000000000000000 ! set this to non-zero before start WMR .xword 0x0000000000000000 .xword 0x0000000000000000 .xword 0x0000000000000000 .end