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/*
* 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 <console/console.h>
#include <common.h>
#include <arch/io.h>
#include <cpu/samsung/exynos5-common/clk.h>
#include <cpu/samsung/exynos5-common/clock.h>
#include <cpu/samsung/exynos5-common/cpu.h>
#include <cpu/samsung/exynos5250/dmc.h>
#include <cpu/samsung/exynos5-common/cpu.h> /* for EXYNOS_PRO_ID */
/* FIXME(dhendrix): consolidate samsung ID code/#defines to a common location */
#include <cpu/samsung/exynos5250/setup.h> /* cpu_info_init() prototype */
static unsigned int s5p_cpu_id;
static unsigned int s5p_cpu_rev;
static void s5p_set_cpu_id(void)
{
s5p_cpu_id = readl((void *)EXYNOS_PRO_ID);
s5p_cpu_id = (0xC000 | ((s5p_cpu_id & 0x00FFF000) >> 12));
/*
* 0xC200: EXYNOS4210 EVT0
* 0xC210: EXYNOS4210 EVT1
*/
if (s5p_cpu_id == 0xC200) {
s5p_cpu_id |= 0x10;
s5p_cpu_rev = 0;
} else if (s5p_cpu_id == 0xC210) {
s5p_cpu_rev = 1;
}
}
int arch_cpu_init(void)
{
s5p_set_cpu_id();
printk(BIOS_INFO, "CPU: S5P%X @ %ldMHz\n",
s5p_cpu_id, get_arm_clk() / (1024*1024));
return 0;
}
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