2 * Copyright (c) 2016 Toradex, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
8 #include <asm/arch-tegra/ap.h>
11 #include <asm/arch/gpio.h>
12 #include <asm/arch/pinmux.h>
13 #include <power/as3722.h>
15 #include "../common/tdx-common.h"
16 #include "pinmux-config-apalis-tk1.h"
18 #define LAN_RESET_N TEGRA_GPIO(S, 2)
20 int arch_misc_init(void)
22 if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
24 printf("USB recovery mode\n");
31 puts("Model: Toradex Apalis TK1 2GB\n");
36 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
37 int ft_board_setup(void *blob, bd_t *bd)
39 return ft_common_board_setup(blob, bd);
44 * Routine: pinmux_init
45 * Description: Do individual peripheral pinmux configs
47 void pinmux_init(void)
49 pinmux_clear_tristate_input_clamping();
51 gpio_config_table(apalis_tk1_gpio_inits,
52 ARRAY_SIZE(apalis_tk1_gpio_inits));
54 pinmux_config_pingrp_table(apalis_tk1_pingrps,
55 ARRAY_SIZE(apalis_tk1_pingrps));
57 pinmux_config_drvgrp_table(apalis_tk1_drvgrps,
58 ARRAY_SIZE(apalis_tk1_drvgrps));
61 #ifdef CONFIG_PCI_TEGRA
62 int tegra_pcie_board_init(void)
67 err = as3722_init(&pmic);
69 error("failed to initialize AS3722 PMIC: %d\n", err);
73 err = as3722_sd_enable(pmic, 4);
75 error("failed to enable SD4: %d\n", err);
79 err = as3722_sd_set_voltage(pmic, 4, 0x24);
81 error("failed to set SD4 voltage: %d\n", err);
85 err = as3722_gpio_configure(pmic, 1, AS3722_GPIO_OUTPUT_VDDH |
88 error("failed to configure GPIO#1 as output: %d\n", err);
92 err = as3722_gpio_direction_output(pmic, 2, 1);
94 error("failed to set GPIO#2 high: %d\n", err);
98 /* Reset I210 Gigabit Ethernet Controller */
99 gpio_request(LAN_RESET_N, "LAN_RESET_N");
100 gpio_direction_output(LAN_RESET_N, 0);
103 * Make sure we don't get any back feeding from LAN_WAKE_N resp.
106 gpio_request(TEGRA_GPIO(O, 5), "LAN_WAKE_N");
107 gpio_direction_output(TEGRA_GPIO(O, 5), 0);
109 gpio_request(TEGRA_GPIO(O, 6), "LAN_DEV_OFF_N");
110 gpio_direction_output(TEGRA_GPIO(O, 6), 0);
112 /* Make sure LDO9 and LDO10 are initially enabled @ 0V */
113 err = as3722_ldo_enable(pmic, 9);
115 error("failed to enable LDO9: %d\n", err);
118 err = as3722_ldo_enable(pmic, 10);
120 error("failed to enable LDO10: %d\n", err);
123 err = as3722_ldo_set_voltage(pmic, 9, 0x80);
125 error("failed to set LDO9 voltage: %d\n", err);
128 err = as3722_ldo_set_voltage(pmic, 10, 0x80);
130 error("failed to set LDO10 voltage: %d\n", err);
136 /* Make sure controller gets enabled by disabling DEV_OFF_N */
137 gpio_set_value(TEGRA_GPIO(O, 6), 1);
139 /* Enable LDO9 and LDO10 for +V3.3_ETH on patched prototypes */
140 err = as3722_ldo_set_voltage(pmic, 9, 0xff);
142 error("failed to set LDO9 voltage: %d\n", err);
145 err = as3722_ldo_set_voltage(pmic, 10, 0xff);
147 error("failed to set LDO10 voltage: %d\n", err);
152 gpio_set_value(LAN_RESET_N, 1);
154 #ifdef APALIS_TK1_PCIE_EVALBOARD_INIT
155 #define PEX_PERST_N TEGRA_GPIO(DD, 1) /* Apalis GPIO7 */
156 #define RESET_MOCI_CTRL TEGRA_GPIO(U, 4)
158 /* Reset PLX PEX 8605 PCIe Switch plus PCIe devices on Apalis Evaluation
160 gpio_request(PEX_PERST_N, "PEX_PERST_N");
161 gpio_request(RESET_MOCI_CTRL, "RESET_MOCI_CTRL");
162 gpio_direction_output(PEX_PERST_N, 0);
163 gpio_direction_output(RESET_MOCI_CTRL, 0);
164 /* Must be asserted for 100 ms after power and clocks are stable */
166 gpio_set_value(PEX_PERST_N, 1);
167 /* Err_5: PEX_REFCLK_OUTpx/nx Clock Outputs is not Guaranteed Until
168 900 us After PEX_PERST# De-assertion */
170 gpio_set_value(RESET_MOCI_CTRL, 1);
171 #endif /* APALIS_T30_PCIE_EVALBOARD_INIT */
175 #endif /* CONFIG_PCI_TEGRA */