mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-02 19:03:20 +09:00
![Nobuhiro Iwamatsu](/assets/img/avatar_default.png)
Renesas R8A7740 is CPU with Cortex-A9. This supports the basic register definition and GPIO. Signed-off-by: Hideyuki Sano <hideyuki.sano.dn@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/*
|
|
* (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
|
|
* (C) Copyright 2012 Renesas Solutions Corp.
|
|
*
|
|
* 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 <common.h>
|
|
#include <asm/io.h>
|
|
|
|
#ifdef CONFIG_ARCH_CPU_INIT
|
|
int arch_cpu_init(void)
|
|
{
|
|
icache_enable();
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifndef CONFIG_SYS_DCACHE_OFF
|
|
void enable_caches(void)
|
|
{
|
|
dcache_enable();
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_DISPLAY_CPUINFO
|
|
static u32 __rmobile_get_cpu_type(void)
|
|
{
|
|
return 0x0;
|
|
}
|
|
u32 rmobile_get_cpu_type(void)
|
|
__attribute__((weak, alias("__rmobile_get_cpu_type")));
|
|
|
|
static u32 __rmobile_get_cpu_rev_integer(void)
|
|
{
|
|
return 0;
|
|
}
|
|
u32 rmobile_get_cpu_rev_integer(void)
|
|
__attribute__((weak, alias("__rmobile_get_cpu_rev_integer")));
|
|
|
|
static u32 __rmobile_get_cpu_rev_fraction(void)
|
|
{
|
|
return 0;
|
|
}
|
|
u32 rmobile_get_cpu_rev_fraction(void)
|
|
__attribute__((weak, alias("__rmobile_get_cpu_rev_fraction")));
|
|
|
|
int print_cpuinfo(void)
|
|
{
|
|
switch (rmobile_get_cpu_type()) {
|
|
case 0x37:
|
|
printf("CPU: Renesas Electronics SH73A0 rev %d.%d\n",
|
|
rmobile_get_cpu_rev_integer(),
|
|
rmobile_get_cpu_rev_fraction());
|
|
break;
|
|
case 0x40:
|
|
printf("CPU: Renesas Electronics R8A7740 rev %d.%d\n",
|
|
rmobile_get_cpu_rev_integer(),
|
|
rmobile_get_cpu_rev_fraction());
|
|
break;
|
|
|
|
default:
|
|
printf("CPU: Renesas Electronics CPU rev %d.%d\n",
|
|
rmobile_get_cpu_rev_integer(),
|
|
rmobile_get_cpu_rev_fraction());
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_DISPLAY_CPUINFO */
|