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 #include "../common/tdx-common.h"
18
19 #include "pinmux-config-apalis_t30.h"
20
21 DECLARE_GLOBAL_DATA_PTR;
22
23 #define PMU_I2C_ADDRESS 0x2D
24 #define MAX_I2C_RETRY 3
25
arch_misc_init(void)26 int arch_misc_init(void)
27 {
28 if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
29 NVBOOTTYPE_RECOVERY)
30 printf("USB recovery mode\n");
31
32 return 0;
33 }
34
checkboard(void)35 int checkboard(void)
36 {
37 printf("Model: Toradex Apalis T30 %dGB\n",
38 (gd->ram_size == 0x40000000) ? 1 : 2);
39
40 return 0;
41 }
42
43 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
ft_board_setup(void * blob,bd_t * bd)44 int ft_board_setup(void *blob, bd_t *bd)
45 {
46 return ft_common_board_setup(blob, bd);
47 }
48 #endif
49
50 /*
51 * Routine: pinmux_init
52 * Description: Do individual peripheral pinmux configs
53 */
pinmux_init(void)54 void pinmux_init(void)
55 {
56 pinmux_config_pingrp_table(tegra3_pinmux_common,
57 ARRAY_SIZE(tegra3_pinmux_common));
58
59 pinmux_config_pingrp_table(unused_pins_lowpower,
60 ARRAY_SIZE(unused_pins_lowpower));
61
62 /* Initialize any non-default pad configs (APB_MISC_GP regs) */
63 pinmux_config_drvgrp_table(apalis_t30_padctrl,
64 ARRAY_SIZE(apalis_t30_padctrl));
65 }
66
67 #ifdef CONFIG_PCI_TEGRA
tegra_pcie_board_init(void)68 int tegra_pcie_board_init(void)
69 {
70 struct udevice *dev;
71 u8 addr, data[1];
72 int err;
73
74 err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
75 if (err) {
76 debug("%s: Cannot find PMIC I2C chip\n", __func__);
77 return err;
78 }
79
80 /* TPS659110: VDD2_OP_REG = 1.05V */
81 data[0] = 0x27;
82 addr = 0x25;
83
84 err = dm_i2c_write(dev, addr, data, 1);
85 if (err) {
86 debug("failed to set VDD supply\n");
87 return err;
88 }
89
90 /* TPS659110: VDD2_REG 7.5 mV/us, ACTIVE */
91 data[0] = 0x0D;
92 addr = 0x24;
93
94 err = dm_i2c_write(dev, addr, data, 1);
95 if (err) {
96 debug("failed to enable VDD supply\n");
97 return err;
98 }
99
100 /* TPS659110: LDO6_REG = 1.1V, ACTIVE */
101 data[0] = 0x0D;
102 addr = 0x35;
103
104 err = dm_i2c_write(dev, addr, data, 1);
105 if (err) {
106 debug("failed to set AVDD supply\n");
107 return err;
108 }
109
110 return 0;
111 }
112 #endif /* CONFIG_PCI_TEGRA */
113