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| author | Minkyu Kang <mk7.kang@samsung.com> | 2010-08-19 13:48:11 +0900 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2010-08-23 15:34:20 +0900 |
| commit | 852bd07c80b27f330da8da367989bcd8121569a7 (patch) | |
| tree | 31442ab3c8e0f0f6712ed7c2eee01965556cdbf8 /arch/arm/cpu/armv7/s5p-common/cpu_info.c | |
| parent | d93d0f0cfef46293db97cbdc5e72c9e5bceadd02 (diff) | |
| download | olio-uboot-2014.01-852bd07c80b27f330da8da367989bcd8121569a7.tar.xz olio-uboot-2014.01-852bd07c80b27f330da8da367989bcd8121569a7.zip | |
ARMV7: S5P: make s5p-common for sharing the code between s5pc1xx and s5pc2xx
This patch adds basic support for s5pc210.
s5p-common will be used by all of s5p SoCs.
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'arch/arm/cpu/armv7/s5p-common/cpu_info.c')
| -rw-r--r-- | arch/arm/cpu/armv7/s5p-common/cpu_info.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/s5p-common/cpu_info.c b/arch/arm/cpu/armv7/s5p-common/cpu_info.c new file mode 100644 index 000000000..454175ca5 --- /dev/null +++ b/arch/arm/cpu/armv7/s5p-common/cpu_info.c @@ -0,0 +1,57 @@ +/* + * 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 s5pc1xx_cpu_id = 0xC100; + +#ifdef CONFIG_ARCH_CPU_INIT +int arch_cpu_init(void) +{ + s5pc1xx_cpu_id = readl(samsung_get_base_pro_id()); + s5pc1xx_cpu_id = 0xC000 | ((s5pc1xx_cpu_id & 0x00FFF000) >> 12); + + s5pc1xx_clock_init(); + + return 0; +} +#endif + +u32 get_device_type(void) +{ + return s5pc1xx_cpu_id; +} + +#ifdef CONFIG_DISPLAY_CPUINFO +int print_cpuinfo(void) +{ + char buf[32]; + + printf("CPU:\tS5P%X@%sMHz\n", + s5pc1xx_cpu_id, strmhz(buf, get_arm_clk())); + + return 0; +} +#endif |