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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 559871524a5012fcf1e3c8449322b22d07e4a7a2 / . / board / nvidia / p2771-0000 / p2771-0000.c
blob: 5ff89c45423e82a1aa1962719b49a57311ae96f7 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -0400[diff] [blame]1// SPDX-License-Identifier: GPL-2.0
Stephen Warren10a03382016-05-12 13:32:56 -0600[diff] [blame]2/*
3 * Copyright (c) 2016, NVIDIA CORPORATION
Stephen Warren10a03382016-05-12 13:32:56 -0600[diff] [blame]4 */
5
6#include <common.h>
Simon Glass7b51b572019-08-01 09:46:52 -0600[diff] [blame]7#include <env.h>
Thierry Redingc79aa812019-04-15 11:32:36 +0200[diff] [blame]8#include <fdtdec.h>
Stephen Warren45d85f02016-07-29 13:15:05 -0600[diff] [blame]9#include <i2c.h>
Simon Glassf7ae49f2020-05-10 11:40:05 -0600[diff] [blame]10#include <log.h>
Simon Glass90526e92020-05-10 11:39:56 -0600[diff] [blame]11#include <net.h>
Thierry Redingdb8a0302021-09-03 15:16:22 +0200[diff] [blame]12#include <stdlib.h>
Thierry Reding83171892019-04-15 11:32:34 +0200[diff] [blame]13#include <linux/libfdt.h>
Thierry Reding77409c72021-09-03 15:16:24 +0200[diff] [blame]14#include <asm/arch-tegra/board.h>
Stephen Warren45d85f02016-07-29 13:15:05 -0600[diff] [blame]15#include "../p2571/max77620_init.h"
16
Thierry Redinga0dbc132019-04-15 11:32:28 +0200[diff] [blame]17void pin_mux_mmc(void)
Stephen Warren45d85f02016-07-29 13:15:05 -0600[diff] [blame]18{
19 struct udevice *dev;
20 uchar val;
21 int ret;
22
23 /* Turn on MAX77620 LDO3 to 3.3V for SD card power */
24 debug("%s: Set LDO3 for VDDIO_SDMMC_AP power to 3.3V\n", __func__);
25 ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
26 if (ret) {
27 printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
Thierry Redinga0dbc132019-04-15 11:32:28 +0200[diff] [blame]28 return;
Stephen Warren45d85f02016-07-29 13:15:05 -0600[diff] [blame]29 }
30 /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
31 val = 0xF2;
32 ret = dm_i2c_write(dev, MAX77620_CNFG1_L3_REG, &val, 1);
33 if (ret) {
34 printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
Thierry Redinga0dbc132019-04-15 11:32:28 +0200[diff] [blame]35 return;
Stephen Warren45d85f02016-07-29 13:15:05 -0600[diff] [blame]36 }
Stephen Warren45d85f02016-07-29 13:15:05 -0600[diff] [blame]37}
Stephen Warrena6bb0082016-07-29 13:15:06 -0600[diff] [blame]38
Thierry Redinga0dbc132019-04-15 11:32:28 +0200[diff] [blame]39#ifdef CONFIG_PCI_TEGRA
Stephen Warrena6bb0082016-07-29 13:15:06 -0600[diff] [blame]40int tegra_pcie_board_init(void)
41{
42 struct udevice *dev;
43 uchar val;
44 int ret;
45
46 /* Turn on MAX77620 LDO7 to 1.05V for PEX power */
47 debug("%s: Set LDO7 for PEX power to 1.05V\n", __func__);
48 ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
49 if (ret) {
50 printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
51 return -1;
52 }
53 /* 0xC5 for 1.05v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
54 val = 0xC5;
55 ret = dm_i2c_write(dev, MAX77620_CNFG1_L7_REG, &val, 1);
56 if (ret)
57 printf("i2c_write 0 0x3c 0x31 failed: %d\n", ret);
58
59 return 0;
60}
Thierry Redinga0dbc132019-04-15 11:32:28 +0200[diff] [blame]61#endif
Thierry Reding83171892019-04-15 11:32:34 +0200[diff] [blame]62
Thierry Reding77409c72021-09-03 15:16:24 +0200[diff] [blame]63static const char * const nodes[] = {
64 "/host1x@13e00000/display-hub@15200000/display@15200000",
65 "/host1x@13e00000/display-hub@15200000/display@15210000",
66 "/host1x@13e00000/display-hub@15200000/display@15220000",
67};
Thierry Redingc79aa812019-04-15 11:32:36 +0200[diff] [blame]68
Masahiro Yamadab75d8dc2020-06-26 15:13:33 +0900[diff] [blame]69int ft_board_setup(void *fdt, struct bd_info *bd)
Thierry Redingc79aa812019-04-15 11:32:36 +0200[diff] [blame]70{
71 ft_mac_address_setup(fdt);
Thierry Reding77409c72021-09-03 15:16:24 +0200[diff] [blame]72 ft_carveout_setup(fdt, nodes, ARRAY_SIZE(nodes));
Thierry Reding83171892019-04-15 11:32:34 +0200[diff] [blame]73
74 return 0;
75}