1 /*
2  *  (C) Copyright 2014
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 #define PMU_I2C_ADDRESS		0x2D
21 #define MAX_I2C_RETRY		3
22 
23 int arch_misc_init(void)
24 {
25 	if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
26 	    NVBOOTTYPE_RECOVERY)
27 		printf("USB recovery mode\n");
28 
29 	return 0;
30 }
31 
32 /*
33  * Routine: pinmux_init
34  * Description: Do individual peripheral pinmux configs
35  */
36 void pinmux_init(void)
37 {
38 	pinmux_config_pingrp_table(tegra3_pinmux_common,
39 				   ARRAY_SIZE(tegra3_pinmux_common));
40 
41 	pinmux_config_pingrp_table(unused_pins_lowpower,
42 				   ARRAY_SIZE(unused_pins_lowpower));
43 
44 	/* Initialize any non-default pad configs (APB_MISC_GP regs) */
45 	pinmux_config_drvgrp_table(apalis_t30_padctrl,
46 				   ARRAY_SIZE(apalis_t30_padctrl));
47 }
48 
49 #ifdef CONFIG_PCI_TEGRA
50 int tegra_pcie_board_init(void)
51 {
52 	struct udevice *dev;
53 	u8 addr, data[1];
54 	int err;
55 
56 	err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
57 	if (err) {
58 		debug("%s: Cannot find PMIC I2C chip\n", __func__);
59 		return err;
60 	}
61 
62 	/* TPS659110: VDD2_OP_REG = 1.05V */
63 	data[0] = 0x27;
64 	addr = 0x25;
65 
66 	err = dm_i2c_write(dev, addr, data, 1);
67 	if (err) {
68 		debug("failed to set VDD supply\n");
69 		return err;
70 	}
71 
72 	/* TPS659110: VDD2_REG 7.5 mV/us, ACTIVE */
73 	data[0] = 0x0D;
74 	addr = 0x24;
75 
76 	err = dm_i2c_write(dev, addr, data, 1);
77 	if (err) {
78 		debug("failed to enable VDD supply\n");
79 		return err;
80 	}
81 
82 	/* TPS659110: LDO6_REG = 1.1V, ACTIVE */
83 	data[0] = 0x0D;
84 	addr = 0x35;
85 
86 	err = dm_i2c_write(dev, addr, data, 1);
87 	if (err) {
88 		debug("failed to set AVDD supply\n");
89 		return err;
90 	}
91 
92 	return 0;
93 }
94 #endif /* CONFIG_PCI_TEGRA */
95