1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2016 Freescale Semiconductor, Inc.
4 */
5
6 #include <init.h>
7 #include <asm/arch/clock.h>
8 #include <asm/arch/crm_regs.h>
9 #include <asm/arch/iomux.h>
10 #include <asm/arch/imx-regs.h>
11 #include <asm/arch/mx6-pins.h>
12 #include <asm/arch/sys_proto.h>
13 #include <asm/global_data.h>
14 #include <asm/gpio.h>
15 #include <asm/mach-imx/iomux-v3.h>
16 #include <asm/mach-imx/boot_mode.h>
17 #include <asm/io.h>
18 #include <linux/sizes.h>
19 #include <mmc.h>
20 #include <power/pmic.h>
21 #include <power/pfuze100_pmic.h>
22 #include "../common/pfuze.h"
23
24 DECLARE_GLOBAL_DATA_PTR;
25
dram_init(void)26 int dram_init(void)
27 {
28 gd->ram_size = imx_ddr_size();
29
30 return 0;
31 }
32
33 static iomux_v3_cfg_t const wdog_pads[] = {
34 MX6_PAD_WDOG_B__WDOG1_B | MUX_PAD_CTRL(NO_PAD_CTRL),
35 };
36
37 #ifdef CONFIG_DM_PMIC_PFUZE100
power_init_board(void)38 int power_init_board(void)
39 {
40 struct udevice *dev;
41 int ret;
42 u32 dev_id, rev_id, i;
43 u32 switch_num = 6;
44 u32 offset = PFUZE100_SW1CMODE;
45
46 ret = pmic_get("pfuze100@8", &dev);
47 if (ret == -ENODEV)
48 return 0;
49
50 if (ret != 0)
51 return ret;
52
53 dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID);
54 rev_id = pmic_reg_read(dev, PFUZE100_REVID);
55 printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
56
57 /* Init mode to APS_PFM */
58 pmic_reg_write(dev, PFUZE100_SW1ABMODE, APS_PFM);
59
60 for (i = 0; i < switch_num - 1; i++)
61 pmic_reg_write(dev, offset + i * SWITCH_SIZE, APS_PFM);
62
63 /* set SW1AB staby volatage 0.975V */
64 pmic_clrsetbits(dev, PFUZE100_SW1ABSTBY, 0x3f, 0x1b);
65
66 /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
67 pmic_clrsetbits(dev, PFUZE100_SW1ABCONF, 0xc0, 0x40);
68
69 /* set SW1C staby volatage 0.975V */
70 pmic_clrsetbits(dev, PFUZE100_SW1CSTBY, 0x3f, 0x1b);
71
72 /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
73 pmic_clrsetbits(dev, PFUZE100_SW1CCONF, 0xc0, 0x40);
74
75 return 0;
76 }
77 #endif
78
board_early_init_f(void)79 int board_early_init_f(void)
80 {
81 return 0;
82 }
83
board_init(void)84 int board_init(void)
85 {
86 /* Address of boot parameters */
87 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
88
89 return 0;
90 }
91
board_late_init(void)92 int board_late_init(void)
93 {
94 imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
95
96 return 0;
97 }
98
checkboard(void)99 int checkboard(void)
100 {
101 puts("Board: MX6SLL EVK\n");
102
103 return 0;
104 }
105
board_mmc_get_env_dev(int devno)106 int board_mmc_get_env_dev(int devno)
107 {
108 return devno;
109 }
110
mmc_map_to_kernel_blk(int devno)111 int mmc_map_to_kernel_blk(int devno)
112 {
113 return devno;
114 }
115