/* * ========== Copyright Header Begin ========================================== * * OpenSPARC T2 Processor File: ncu_bank_en_status_wptect.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 #include "hboot.s" #include "asi_s.h" .text .global main main: ta T_CHANGE_HPRIV get_th_id: ta T_RD_THID wr %g0,ASI_CMP_CORE,%asi ! Read bank enable comb setx 0xffffff0010,%g7,%i2 ldub [%i2],%g1 ! End of diag check cmp %g1,0x0 be program_bank_comb nop cmp %g1,0xb be test_pass nop ba other_comb nop program_bank_comb: set 0xb,%g2 setx 0xffffff0020,%g7,%g3 setx bank_comb,%g7,%g4 program_loop: ldub [%g4],%g5 stb %g5,[%g3] ldub [%g3],%g5 add %g3,1,%g3 add %g4,1,%g4 subcc %g2,1,%g2 bnz program_loop nop other_comb: setx 0xffffff0020,%g7,%i3 add %g1,%i3,%i3 ldub [%i3],%g6 ! Check that bank_enable_status is correct call calc_bank_en_st !return in %g5 nop setx 0x8000001028,%g7,%i1 ldx [%i1],%g2 cmp %g2,%g5 bne %xcc,test_fail nop ! Next bank combination add %g1,1,%g1 stb %g1,[%i2] ldub [%i2],%g1 add %i3,1,%i3 ldub [%i3],%g6 ! Program bank_enable setx 0x8000001020,%g7,%i4 stx %g6,[%i4] ! Check bank_enable_status call calc_bank_en_st_prvw !return in %g5 nop ldx [%i1],%g2 cmp %g2,%g5 bne %xcc,test_fail nop ! Warm reset to turn on next bank combination setx 0x8900000808,%g7,%i5 set 0x1,%g1 stx %g1,[%i5] halt: ba halt nop /****************************************************** * Subroutine code *******************************************************/ calc_bank_en_st_prvw: add %g5,%g0,%l7 and %g6,0x1,%l0 srl %g6,1,%l6 and %l6,%l0,%l0 srl %l6,1,%l6 and %l6,0x1,%l1 srl %l6,1,%l6 and %l6,%l1,%l1 srl %l6,1,%l6 and %l6,0x1,%l2 srl %l6,1,%l6 and %l6,%l2,%l2 srl %l6,1,%l6 and %l6,0x1,%l3 srl %l6,1,%l6 and %l6,%l3,%l3 sll %l3,3,%l3 sll %l2,2,%l2 sll %l1,1,%l1 or %l0,%l1,%l0 or %l0,%l2,%l0 or %l0,%l3,%l0 and %l0,0xf,%l0 cmp %l0,0xf be not_pm_1 nop or %l0,0x10,%l0 not_pm_1: ! Remove illegal combinations cmp %l0,0x17 be val_13_1 nop cmp %l0,0x1b be val_13_1 nop cmp %l0,0x1d be val_1c_1 nop cmp %l0,0x1e be val_1c_1 nop final_shift_1: sll %l0,8,%l4 or %l0,%l4,%g5 srlx %g5,5,%g5 sllx %g5,5,%g5 and %l7,0xff,%l7 or %g5,%l7,%g5 retl nop val_13_1: set 0x13,%l0 ba final_shift_1 nop val_1c_1: set 0x1c,%l0 ba final_shift_1 nop calc_bank_en_st: and %g6,0x1,%l0 srl %g6,1,%l6 and %l6,%l0,%l0 srl %l6,1,%l6 and %l6,0x1,%l1 srl %l6,1,%l6 and %l6,%l1,%l1 srl %l6,1,%l6 and %l6,0x1,%l2 srl %l6,1,%l6 and %l6,%l2,%l2 srl %l6,1,%l6 and %l6,0x1,%l3 srl %l6,1,%l6 and %l6,%l3,%l3 sll %l3,3,%l3 sll %l2,2,%l2 sll %l1,1,%l1 or %l0,%l1,%l0 or %l0,%l2,%l0 or %l0,%l3,%l0 and %l0,0xf,%l0 cmp %l0,0xf be not_pm_2 nop or %l0,0x10,%l0 not_pm_2: ! Remove illegal combinations cmp %l0,0x17 be val_13_2 nop cmp %l0,0x1b be val_13_2 nop cmp %l0,0x1d be val_1c_2 nop cmp %l0,0x1e be val_1c_2 nop final_shift_2: sll %l0,8,%l4 or %l0,%l4,%g5 retl nop val_13_2: set 0x13,%l0 ba final_shift_2 nop val_1c_2: set 0x1c,%l0 ba final_shift_2 nop /****************************************************** * Exit code *******************************************************/ test_pass: EXIT_GOOD test_fail: EXIT_BAD .data bank_enable_status_code: .word 0x00000f0f bank_comb: .byte 0xff .byte 0x03 .byte 0x0c .byte 0x30 .byte 0xc0 .byte 0x0f .byte 0x33 .byte 0xc3 .byte 0x3c .byte 0xcc .byte 0xf0 .byte 0xff .end