blob: 55688f319d7003462dd78d950de090ca8825cbb6 (
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
|
/*
* Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <mmio.h>
#include "uniphier.h"
#define UNIPHIER_REVISION 0x5f800000
static unsigned int uniphier_get_revision_field(unsigned int mask,
unsigned int shift)
{
uint32_t revision = mmio_read_32(UNIPHIER_REVISION);
return (revision >> shift) & mask;
}
unsigned int uniphier_get_soc_type(void)
{
return uniphier_get_revision_field(0xff, 16);
}
unsigned int uniphier_get_soc_model(void)
{
return uniphier_get_revision_field(0x07, 8);
}
unsigned int uniphier_get_soc_revision(void)
{
return uniphier_get_revision_field(0x1f, 0);
}
unsigned int uniphier_get_soc_id(void)
{
uint32_t type = uniphier_get_soc_type();
switch (type) {
case 0x31:
return UNIPHIER_SOC_LD11;
case 0x32:
return UNIPHIER_SOC_LD20;
case 0x35:
return UNIPHIER_SOC_PXS3;
default:
return UNIPHIER_SOC_UNKNOWN;
}
}
|
