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OpenCloudOS-Kernel
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sh: Fix UBC setup and registers for SH2A 

Signed-off-by: Kieran Bingham <kieranbingham@gmail.com>
Signed-off-by: Peter Griffin <pgriffin@mpc-data.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Kieran Bingham 2009-05-08 15:49:50 +01:00 committed by Paul Mundt
parent be6514c629
commit e73173dbe5
3 changed files with 42 additions and 2 deletions
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11
arch/sh/include/asm/ubc.h
View File

@ -42,12 +42,23 @@
#define BRCR_CMFA (1 << 15)
#define BRCR_CMFB (1 << 14)
#if defined CONFIG_CPU_SH2A
#define BRCR_CMFCA (1 << 15)
#define BRCR_CMFCB (1 << 14)
#define BRCR_CMFDA (1 << 13)
#define BRCR_CMFDB (1 << 12)
#define BRCR_PCBB (1 << 6) /* 1: after execution */
#define BRCR_PCBA (1 << 5) /* 1: after execution */
#define BRCR_PCTE 0
#else
#define BRCR_PCTE (1 << 11)
#define BRCR_PCBA (1 << 10) /* 1: after execution */
#define BRCR_DBEB (1 << 7)
#define BRCR_PCBB (1 << 6)
#define BRCR_SEQ (1 << 3)
#define BRCR_UBDE (1 << 0)
#endif
#ifndef __ASSEMBLY__
/* arch/sh/kernel/cpu/ubc.S */

29
arch/sh/include/cpu-sh2a/cpu/ubc.h
View File

@ -1 +1,28 @@
#include <cpu-sh2/cpu/ubc.h>
/*
* SH-2A UBC definitions
*
* Copyright (C) 2008 Kieran Bingham
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef __ASM_CPU_SH2A_UBC_H
#define __ASM_CPU_SH2A_UBC_H
#define UBC_BARA 0xfffc0400
#define UBC_BAMRA 0xfffc0404
#define UBC_BBRA 0xfffc04a0 /* 16 bit access */
#define UBC_BDRA 0xfffc0408
#define UBC_BDMRA 0xfffc040c
#define UBC_BARB 0xfffc0410
#define UBC_BAMRB 0xfffc0414
#define UBC_BBRB 0xfffc04b0 /* 16 bit access */
#define UBC_BDRB 0xfffc0418
#define UBC_BDMRB 0xfffc041c
#define UBC_BRCR 0xfffc04c0
#endif /* __ASM_CPU_SH2A_UBC_H */

4
arch/sh/kernel/process_32.c
View File

@ -251,7 +251,8 @@ static void ubc_set_tracing(int asid, unsigned long pc)
if (current_cpu_data.type == CPU_SH7729 ||
current_cpu_data.type == CPU_SH7710 ||
current_cpu_data.type == CPU_SH7712) {
current_cpu_data.type == CPU_SH7712 ||
current_cpu_data.type == CPU_SH7203){
ctrl_outw(BBR_INST | BBR_READ | BBR_CPU, UBC_BBRA);
ctrl_outl(BRCR_PCBA | BRCR_PCTE, UBC_BRCR);
} else {
@ -407,6 +408,7 @@ asmlinkage void break_point_trap(void)
#else
ctrl_outw(0, UBC_BBRA);
ctrl_outw(0, UBC_BBRB);
ctrl_outl(0, UBC_BRCR);
#endif
current->thread.ubc_pc = 0;
ubc_usercnt -= 1;