1 /*
2  *  (C) Copyright 2014-2016
3  *  Marcel Ziswiler <marcel@ziswiler.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <asm/arch/gp_padctrl.h>
10 #include <asm/arch/pinmux.h>
11 #include <asm/arch-tegra/ap.h>
12 #include <asm/arch-tegra/tegra.h>
13 #include <asm/gpio.h>
14 #include <asm/io.h>
15 #include <dm.h>
16 #include <i2c.h>
17 
18 #include "pinmux-config-apalis_t30.h"
19 
20 DECLARE_GLOBAL_DATA_PTR;
21 
22 #define PMU_I2C_ADDRESS		0x2D
23 #define MAX_I2C_RETRY		3
24 
25 int arch_misc_init(void)
26 {
27 	if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
28 	    NVBOOTTYPE_RECOVERY)
29 		printf("USB recovery mode\n");
30 
31 	return 0;
32 }
33 
34 int checkboard(void)
35 {
36 	printf("Model: Toradex Apalis T30 %dGB\n",
37 	       (gd->ram_size == 0x40000000) ? 1 : 2);
38 
39 	return 0;
40 }
41 
42 /*
43  * Routine: pinmux_init
44  * Description: Do individual peripheral pinmux configs
45  */
46 void pinmux_init(void)
47 {
48 	pinmux_config_pingrp_table(tegra3_pinmux_common,
49 				   ARRAY_SIZE(tegra3_pinmux_common));
50 
51 	pinmux_config_pingrp_table(unused_pins_lowpower,
52 				   ARRAY_SIZE(unused_pins_lowpower));
53 
54 	/* Initialize any non-default pad configs (APB_MISC_GP regs) */
55 	pinmux_config_drvgrp_table(apalis_t30_padctrl,
56 				   ARRAY_SIZE(apalis_t30_padctrl));
57 }
58 
59 #ifdef CONFIG_PCI_TEGRA
60 int tegra_pcie_board_init(void)
61 {
62 	struct udevice *dev;
63 	u8 addr, data[1];
64 	int err;
65 
66 	err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
67 	if (err) {
68 		debug("%s: Cannot find PMIC I2C chip\n", __func__);
69 		return err;
70 	}
71 
72 	/* TPS659110: VDD2_OP_REG = 1.05V */
73 	data[0] = 0x27;
74 	addr = 0x25;
75 
76 	err = dm_i2c_write(dev, addr, data, 1);
77 	if (err) {
78 		debug("failed to set VDD supply\n");
79 		return err;
80 	}
81 
82 	/* TPS659110: VDD2_REG 7.5 mV/us, ACTIVE */
83 	data[0] = 0x0D;
84 	addr = 0x24;
85 
86 	err = dm_i2c_write(dev, addr, data, 1);
87 	if (err) {
88 		debug("failed to enable VDD supply\n");
89 		return err;
90 	}
91 
92 	/* TPS659110: LDO6_REG = 1.1V, ACTIVE */
93 	data[0] = 0x0D;
94 	addr = 0x35;
95 
96 	err = dm_i2c_write(dev, addr, data, 1);
97 	if (err) {
98 		debug("failed to set AVDD supply\n");
99 		return err;
100 	}
101 
102 	return 0;
103 }
104 #endif /* CONFIG_PCI_TEGRA */
105