u-boot/arch/arm/cpu/armv7/s5p-common/cpu_info.c
Minkyu Kang 5d845f2758 S5PC2XX: Support the cpu revision
S5PC210 SoC have two cpu revisions, and have some difference.
So, support the cpu revision for each revision.

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2011-05-26 19:31:11 +09:00

56 lines
1.3 KiB
C

/*
* Copyright (C) 2009 Samsung Electronics
* Minkyu Kang <mk7.kang@samsung.com>
*
* 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>
#include <asm/arch/clk.h>
/* Default is s5pc100 */
unsigned int s5p_cpu_id = 0xC100;
/* Default is EVT1 */
unsigned int s5p_cpu_rev = 1;
#ifdef CONFIG_ARCH_CPU_INIT
int arch_cpu_init(void)
{
s5p_set_cpu_id();
return 0;
}
#endif
u32 get_device_type(void)
{
return s5p_cpu_id;
}
#ifdef CONFIG_DISPLAY_CPUINFO
int print_cpuinfo(void)
{
char buf[32];
printf("CPU:\tS5P%X@%sMHz\n",
s5p_cpu_id, strmhz(buf, get_arm_clk()));
return 0;
}
#endif