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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2021 Ronetix GmbH
*/
#include <init.h>
#include <net.h>
#include <asm/arch/clock.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mx7-pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/global_data.h>
#include <asm/gpio.h>
#include <asm/mach-imx/iomux-v3.h>
#include <asm/mach-imx/mxc_i2c.h>
#include <asm/io.h>
#include <common.h>
#include <i2c.h>
#include <miiphy.h>
#include <power/pmic.h>
#include <power/pfuze3000_pmic.h>
DECLARE_GLOBAL_DATA_PTR;
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
return 0;
}
int power_init_board(void)
{
struct udevice *dev;
int ret;
unsigned int reg, rev;
ret = pmic_get("pmic@8", &dev);
if (ret == -ENODEV) {
puts("No pmic\n");
return 0;
}
if (ret != 0)
return ret;
reg = pmic_reg_read(dev, PFUZE3000_DEVICEID);
rev = pmic_reg_read(dev, PFUZE3000_REVID);
printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev);
/* disable Low Power Mode during standby mode */
reg = pmic_reg_read(dev, PFUZE3000_LDOGCTL);
reg |= 0x1;
pmic_reg_write(dev, PFUZE3000_LDOGCTL, reg);
/* SW1A/1B mode set to APS/APS */
reg = 0x8;
pmic_reg_write(dev, PFUZE3000_SW1AMODE, reg);
pmic_reg_write(dev, PFUZE3000_SW1BMODE, reg);
/* SW1A/1B standby voltage set to 1.025V */
reg = 0xd;
pmic_reg_write(dev, PFUZE3000_SW1ASTBY, reg);
pmic_reg_write(dev, PFUZE3000_SW1BSTBY, reg);
/* decrease SW1B normal voltage to 0.975V */
reg = pmic_reg_read(dev, PFUZE3000_SW1BVOLT);
reg &= ~0x1f;
reg |= PFUZE3000_SW1AB_SETP(975);
pmic_reg_write(dev, PFUZE3000_SW1BVOLT, reg);
return 0;
}
static int setup_fec(void)
{
return set_clk_enet(ENET_125MHZ);
}
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
setup_fec();
return 0;
}
int board_late_init(void)
{
return 0;
}
int checkboard(void)
{
puts("Board: iMX7-CM\n");
return 0;
}
|
