From 0b135cfc2e524dc249b75057b55dd4cc09842e27 Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Sun, 13 May 2007 20:58:00 +0900 Subject: sh: First support code of SuperH. Signed-off-by: Nobuhiro Iwamatsu --- cpu/sh4/cpu.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 cpu/sh4/cpu.c (limited to 'cpu/sh4/cpu.c') diff --git a/cpu/sh4/cpu.c b/cpu/sh4/cpu.c new file mode 100644 index 00000000000..70df45ef9ef --- /dev/null +++ b/cpu/sh4/cpu.c @@ -0,0 +1,67 @@ +/* + * (C) Copyright 2007 + * Nobuhiro Iwamatsu + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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; either version 2 of + * the License, or (at your option) any later version. + * + * 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 + */ + +#include +#include + +int checkcpu(void) +{ + puts("CPU: SH4\n"); + return 0; +} + +int cpu_init (void) +{ + return 0; +} + +int cleanup_before_linux (void) +{ + disable_interrupts(); + return 0; +} + +int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + disable_interrupts(); + reset_cpu (0); + return 0; +} + +void flush_cache (unsigned long addr, unsigned long size){} + +void icache_enable (void) +{ + +} + +void icache_disable (void) +{ + +} + + +int icache_status (void) +{ + return 0; +} -- cgit v1.2.3 From b02bad128669e567fce87d8df823b06a0144b8db Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Sun, 23 Sep 2007 02:12:30 +0900 Subject: sh: Update core code of SuperH. Signed-off-by: Nobuhiro Iwamatsu --- cpu/sh4/cpu.c | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) (limited to 'cpu/sh4/cpu.c') diff --git a/cpu/sh4/cpu.c b/cpu/sh4/cpu.c index 70df45ef9ef..d76d5180e7e 100644 --- a/cpu/sh4/cpu.c +++ b/cpu/sh4/cpu.c @@ -23,6 +23,7 @@ #include #include +#include int checkcpu(void) { @@ -48,20 +49,35 @@ int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return 0; } -void flush_cache (unsigned long addr, unsigned long size){} +void flush_cache (unsigned long addr, unsigned long size) +{ + +} void icache_enable (void) { - + cache_control(0); } void icache_disable (void) { - + cache_control(1); } - int icache_status (void) { return 0; } + +void dcache_enable (void) +{ +} + +void dcache_disable (void) +{ +} + +int dcache_status (void) +{ + return 0; +} -- cgit v1.2.3 From 61fb15c516fef5631e305f1976d7b3a679725856 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Thu, 27 Dec 2007 01:52:50 +0100 Subject: Fix coding style issues; update CHANGELOG. Signed-off-by: Wolfgang Denk --- cpu/sh4/cpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'cpu/sh4/cpu.c') diff --git a/cpu/sh4/cpu.c b/cpu/sh4/cpu.c index d76d5180e7e..0ebf95180c3 100644 --- a/cpu/sh4/cpu.c +++ b/cpu/sh4/cpu.c @@ -66,7 +66,7 @@ void icache_disable (void) int icache_status (void) { - return 0; + return 0; } void dcache_enable (void) -- cgit v1.2.3