blob: 498ed85a13f94bd6b57e7d24d0641cc81112a6f2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/*
* 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/exynos5250/clk.h>
#include <cpu/samsung/exynos5250/clock.h>
#include <cpu/samsung/exynos5250/cpu.h>
#include <cpu/samsung/exynos5250/dmc.h>
/* 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;
}
|
