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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 <common.h>
#if 0
#include <asm/io.h>
#include <asm/arch/clk.h>
#include <asm/arch/clock.h>
#include <asm/arch/dmc.h>
#endif
#include <arch/io.h>
#include <cpu/samsung/s5p-common/clk.h>
#include <cpu/samsung/s5p-common/clock.h>
#include <cpu/samsung/s5p-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 */
/*
* The following CPU infos are initialized in lowlevel_init(). They should be
* put in the .data section. Otherwise, a compile will put them in the .bss
* section since they don't have initial values. The relocation code which
* runs after lowlevel_init() will reset them to zero.
*/
unsigned int s5p_cpu_id __attribute__((section(".data")));
unsigned int s5p_cpu_rev __attribute__((section(".data")));
void cpu_info_init(void)
{
s5p_set_cpu_id();
}
int s5p_get_cpu_id(void)
{
return s5p_cpu_id;
}
int s5p_get_cpu_rev(void)
{
return s5p_cpu_rev;
}
void s5p_set_cpu_id(void)
{
s5p_cpu_id = readl(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;
}
}
#ifdef CONFIG_DISPLAY_CPUINFO
int print_cpuinfo(void)
{
char buf[32];
printf("CPU: S5P%X @ %sMHz\n",
s5p_cpu_id, strmhz(buf, get_arm_clk()));
return 0;
}
#endif
#ifndef CONFIG_SPL_BUILD
void board_show_dram(ulong size)
{
enum ddr_mode mem_type;
unsigned frequency_mhz;
unsigned arm_freq;
enum mem_manuf mem_manuf;
char buf[32];
int ret;
/* Get settings from the fdt */
ret = clock_get_mem_selection(&mem_type, &frequency_mhz,
&arm_freq, &mem_manuf);
if (ret)
panic("Invalid DRAM information");
puts("DRAM: ");
print_size(size, " ");
printf("%s %s @ %sMHz",
clock_get_mem_manuf_name(mem_manuf),
clock_get_mem_type_name(mem_type),
strmhz(buf, frequency_mhz));
putc('\n');
}
#endif
#ifdef CONFIG_ARCH_CPU_INIT
int arch_cpu_init(void)
{
cpu_info_init();
return 0;
}
#endif
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