common.c
1.98 KB
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
65
/*
* board/renesas/rcar-common/common.c
*
* Copyright (C) 2013 Renesas Electronics Corporation
* Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
* Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/rmobile.h>
#include <asm/arch/rcar-mstp.h>
#define TSTR0 0x04
#define TSTR0_STR0 0x01
static struct mstp_ctl mstptbl[] = {
{ SMSTPCR0, MSTP0_BITS, CONFIG_SMSTP0_ENA,
RMSTPCR0, MSTP0_BITS, CONFIG_RMSTP0_ENA },
{ SMSTPCR1, MSTP1_BITS, CONFIG_SMSTP1_ENA,
RMSTPCR1, MSTP1_BITS, CONFIG_RMSTP1_ENA },
{ SMSTPCR2, MSTP2_BITS, CONFIG_SMSTP2_ENA,
RMSTPCR2, MSTP2_BITS, CONFIG_RMSTP2_ENA },
{ SMSTPCR3, MSTP3_BITS, CONFIG_SMSTP3_ENA,
RMSTPCR3, MSTP3_BITS, CONFIG_RMSTP3_ENA },
{ SMSTPCR4, MSTP4_BITS, CONFIG_SMSTP4_ENA,
RMSTPCR4, MSTP4_BITS, CONFIG_RMSTP4_ENA },
{ SMSTPCR5, MSTP5_BITS, CONFIG_SMSTP5_ENA,
RMSTPCR5, MSTP5_BITS, CONFIG_RMSTP5_ENA },
#ifdef CONFIG_RCAR_GEN3
{ SMSTPCR6, MSTP6_BITS, CONFIG_SMSTP6_ENA,
RMSTPCR6, MSTP6_BITS, CONFIG_RMSTP6_ENA },
#endif
{ SMSTPCR7, MSTP7_BITS, CONFIG_SMSTP7_ENA,
RMSTPCR7, MSTP7_BITS, CONFIG_RMSTP7_ENA },
{ SMSTPCR8, MSTP8_BITS, CONFIG_SMSTP8_ENA,
RMSTPCR8, MSTP8_BITS, CONFIG_RMSTP8_ENA },
{ SMSTPCR9, MSTP9_BITS, CONFIG_SMSTP9_ENA,
RMSTPCR9, MSTP9_BITS, CONFIG_RMSTP9_ENA },
{ SMSTPCR10, MSTP10_BITS, CONFIG_SMSTP10_ENA,
RMSTPCR10, MSTP10_BITS, CONFIG_RMSTP10_ENA },
{ SMSTPCR11, MSTP11_BITS, CONFIG_SMSTP1_ENA,
RMSTPCR11, MSTP11_BITS, CONFIG_RMSTP11_ENA },
};
void arch_preboot_os(void)
{
int i;
/* stop TMU0 */
mstp_clrbits_le32(TMU_BASE + TSTR0, TMU_BASE + TSTR0, TSTR0_STR0);
/* Stop module clock */
for (i = 0; i < ARRAY_SIZE(mstptbl); i++) {
mstp_setclrbits_le32((uintptr_t)mstptbl[i].s_addr,
mstptbl[i].s_dis,
mstptbl[i].s_ena);
mstp_setclrbits_le32((uintptr_t)mstptbl[i].r_addr,
mstptbl[i].r_dis,
mstptbl[i].r_ena);
}
}