1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  *  (C) Copyright 2014-2016
4  *  Marcel Ziswiler <marcel@ziswiler.com>
5  */
6 
7 #include <common.h>
8 #include <asm/arch/gp_padctrl.h>
9 #include <asm/arch/pinmux.h>
10 #include <asm/arch-tegra/ap.h>
11 #include <asm/arch-tegra/tegra.h>
12 #include <asm/gpio.h>
13 #include <asm/io.h>
14 #include <dm.h>
15 #include <i2c.h>
16 #include "../common/tdx-common.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 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
43 int ft_board_setup(void *blob, bd_t *bd)
44 {
45 	return ft_common_board_setup(blob, bd);
46 }
47 #endif
48 
49 /*
50  * Routine: pinmux_init
51  * Description: Do individual peripheral pinmux configs
52  */
53 void pinmux_init(void)
54 {
55 	pinmux_config_pingrp_table(tegra3_pinmux_common,
56 				   ARRAY_SIZE(tegra3_pinmux_common));
57 
58 	pinmux_config_pingrp_table(unused_pins_lowpower,
59 				   ARRAY_SIZE(unused_pins_lowpower));
60 
61 	/* Initialize any non-default pad configs (APB_MISC_GP regs) */
62 	pinmux_config_drvgrp_table(apalis_t30_padctrl,
63 				   ARRAY_SIZE(apalis_t30_padctrl));
64 }
65 
66 #ifdef CONFIG_PCI_TEGRA
67 int tegra_pcie_board_init(void)
68 {
69 	struct udevice *dev;
70 	u8 addr, data[1];
71 	int err;
72 
73 	err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
74 	if (err) {
75 		debug("%s: Cannot find PMIC I2C chip\n", __func__);
76 		return err;
77 	}
78 
79 	/* TPS659110: VDD2_OP_REG = 1.05V */
80 	data[0] = 0x27;
81 	addr = 0x25;
82 
83 	err = dm_i2c_write(dev, addr, data, 1);
84 	if (err) {
85 		debug("failed to set VDD supply\n");
86 		return err;
87 	}
88 
89 	/* TPS659110: VDD2_REG 7.5 mV/us, ACTIVE */
90 	data[0] = 0x0D;
91 	addr = 0x24;
92 
93 	err = dm_i2c_write(dev, addr, data, 1);
94 	if (err) {
95 		debug("failed to enable VDD supply\n");
96 		return err;
97 	}
98 
99 	/* TPS659110: LDO6_REG = 1.1V, ACTIVE */
100 	data[0] = 0x0D;
101 	addr = 0x35;
102 
103 	err = dm_i2c_write(dev, addr, data, 1);
104 	if (err) {
105 		debug("failed to set AVDD supply\n");
106 		return err;
107 	}
108 
109 	return 0;
110 }
111 #endif /* CONFIG_PCI_TEGRA */
112