blob: 57f577d85d9687eff7195465beff8bf18fb8835c [file] [log] [blame]
Stephen Warren25734282015-08-13 22:34:22 -06001/*
2 * (C) Copyright 2013-2015
3 * NVIDIA Corporation <www.nvidia.com>
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8#include <common.h>
Stephen Warren019bc622015-10-05 17:02:40 -06009#include <netdev.h>
Stephen Warren25734282015-08-13 22:34:22 -060010#include <i2c.h>
11#include <asm/arch/gpio.h>
12#include <asm/arch/pinmux.h>
13#include "../p2571/max77620_init.h"
14#include "pinmux-config-p2371-2180.h"
15
16void pin_mux_mmc(void)
17{
18 struct udevice *dev;
19 uchar val;
20 int ret;
21
22 /* Turn on MAX77620 LDO2 to 3.3V for SD card power */
23 debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__);
24 ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
25 if (ret) {
26 printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
27 return;
28 }
29 /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
30 val = 0xF2;
31 ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1);
32 if (ret)
33 printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
34}
35
36/*
37 * Routine: pinmux_init
38 * Description: Do individual peripheral pinmux configs
39 */
40void pinmux_init(void)
41{
42 pinmux_clear_tristate_input_clamping();
43
44 gpio_config_table(p2371_2180_gpio_inits,
45 ARRAY_SIZE(p2371_2180_gpio_inits));
46
47 pinmux_config_pingrp_table(p2371_2180_pingrps,
48 ARRAY_SIZE(p2371_2180_pingrps));
49
50 pinmux_config_drvgrp_table(p2371_2180_drvgrps,
51 ARRAY_SIZE(p2371_2180_drvgrps));
52}
Stephen Warren019bc622015-10-05 17:02:40 -060053
54#ifdef CONFIG_PCI_TEGRA
55int tegra_pcie_board_init(void)
56{
57 struct udevice *dev;
58 uchar val;
59 int ret;
60
61 /* Turn on MAX77620 LDO1 to 1.05V for PEX power */
62 debug("%s: Set LDO1 for PEX power to 1.05V\n", __func__);
63 ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
64 if (ret) {
65 printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
66 return -1;
67 }
68 /* 0xCA for 1.05v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
69 val = 0xCA;
70 ret = dm_i2c_write(dev, MAX77620_CNFG1_L1_REG, &val, 1);
71 if (ret)
72 printf("i2c_write 0 0x3c 0x25 failed: %d\n", ret);
73
74 return 0;
75}
76
77int board_eth_init(bd_t *bis)
78{
79 return pci_eth_init(bis);
80}
81#endif /* PCI */