1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * (C) Copyright 2014-2016
3*4882a593Smuzhiyun * Marcel Ziswiler <marcel@ziswiler.com>
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <asm/arch/gp_padctrl.h>
10*4882a593Smuzhiyun #include <asm/arch/pinmux.h>
11*4882a593Smuzhiyun #include <asm/arch-tegra/ap.h>
12*4882a593Smuzhiyun #include <asm/arch-tegra/tegra.h>
13*4882a593Smuzhiyun #include <asm/gpio.h>
14*4882a593Smuzhiyun #include <asm/io.h>
15*4882a593Smuzhiyun #include <dm.h>
16*4882a593Smuzhiyun #include <i2c.h>
17*4882a593Smuzhiyun #include "../common/tdx-common.h"
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #include "pinmux-config-apalis_t30.h"
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun #define PMU_I2C_ADDRESS 0x2D
24*4882a593Smuzhiyun #define MAX_I2C_RETRY 3
25*4882a593Smuzhiyun
arch_misc_init(void)26*4882a593Smuzhiyun int arch_misc_init(void)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
29*4882a593Smuzhiyun NVBOOTTYPE_RECOVERY)
30*4882a593Smuzhiyun printf("USB recovery mode\n");
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun return 0;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
checkboard(void)35*4882a593Smuzhiyun int checkboard(void)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun printf("Model: Toradex Apalis T30 %dGB\n",
38*4882a593Smuzhiyun (gd->ram_size == 0x40000000) ? 1 : 2);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun return 0;
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
ft_board_setup(void * blob,bd_t * bd)44*4882a593Smuzhiyun int ft_board_setup(void *blob, bd_t *bd)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun return ft_common_board_setup(blob, bd);
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun #endif
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun /*
51*4882a593Smuzhiyun * Routine: pinmux_init
52*4882a593Smuzhiyun * Description: Do individual peripheral pinmux configs
53*4882a593Smuzhiyun */
pinmux_init(void)54*4882a593Smuzhiyun void pinmux_init(void)
55*4882a593Smuzhiyun {
56*4882a593Smuzhiyun pinmux_config_pingrp_table(tegra3_pinmux_common,
57*4882a593Smuzhiyun ARRAY_SIZE(tegra3_pinmux_common));
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun pinmux_config_pingrp_table(unused_pins_lowpower,
60*4882a593Smuzhiyun ARRAY_SIZE(unused_pins_lowpower));
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun /* Initialize any non-default pad configs (APB_MISC_GP regs) */
63*4882a593Smuzhiyun pinmux_config_drvgrp_table(apalis_t30_padctrl,
64*4882a593Smuzhiyun ARRAY_SIZE(apalis_t30_padctrl));
65*4882a593Smuzhiyun }
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun #ifdef CONFIG_PCI_TEGRA
tegra_pcie_board_init(void)68*4882a593Smuzhiyun int tegra_pcie_board_init(void)
69*4882a593Smuzhiyun {
70*4882a593Smuzhiyun struct udevice *dev;
71*4882a593Smuzhiyun u8 addr, data[1];
72*4882a593Smuzhiyun int err;
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
75*4882a593Smuzhiyun if (err) {
76*4882a593Smuzhiyun debug("%s: Cannot find PMIC I2C chip\n", __func__);
77*4882a593Smuzhiyun return err;
78*4882a593Smuzhiyun }
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun /* TPS659110: VDD2_OP_REG = 1.05V */
81*4882a593Smuzhiyun data[0] = 0x27;
82*4882a593Smuzhiyun addr = 0x25;
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun err = dm_i2c_write(dev, addr, data, 1);
85*4882a593Smuzhiyun if (err) {
86*4882a593Smuzhiyun debug("failed to set VDD supply\n");
87*4882a593Smuzhiyun return err;
88*4882a593Smuzhiyun }
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun /* TPS659110: VDD2_REG 7.5 mV/us, ACTIVE */
91*4882a593Smuzhiyun data[0] = 0x0D;
92*4882a593Smuzhiyun addr = 0x24;
93*4882a593Smuzhiyun
94*4882a593Smuzhiyun err = dm_i2c_write(dev, addr, data, 1);
95*4882a593Smuzhiyun if (err) {
96*4882a593Smuzhiyun debug("failed to enable VDD supply\n");
97*4882a593Smuzhiyun return err;
98*4882a593Smuzhiyun }
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun /* TPS659110: LDO6_REG = 1.1V, ACTIVE */
101*4882a593Smuzhiyun data[0] = 0x0D;
102*4882a593Smuzhiyun addr = 0x35;
103*4882a593Smuzhiyun
104*4882a593Smuzhiyun err = dm_i2c_write(dev, addr, data, 1);
105*4882a593Smuzhiyun if (err) {
106*4882a593Smuzhiyun debug("failed to set AVDD supply\n");
107*4882a593Smuzhiyun return err;
108*4882a593Smuzhiyun }
109*4882a593Smuzhiyun
110*4882a593Smuzhiyun return 0;
111*4882a593Smuzhiyun }
112*4882a593Smuzhiyun #endif /* CONFIG_PCI_TEGRA */
113