1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2016 Toradex, Inc.
7 #include <asm/arch-tegra/ap.h>
10 #include <asm/arch/gpio.h>
11 #include <asm/arch/pinmux.h>
12 #include <power/as3722.h>
14 #include "../common/tdx-common.h"
15 #include "pinmux-config-apalis-tk1.h"
17 #define LAN_RESET_N TEGRA_GPIO(S, 2)
19 int arch_misc_init(void)
21 if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
23 printf("USB recovery mode\n");
30 puts("Model: Toradex Apalis TK1 2GB\n");
35 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
36 int ft_board_setup(void *blob, bd_t *bd)
38 return ft_common_board_setup(blob, bd);
43 * Routine: pinmux_init
44 * Description: Do individual peripheral pinmux configs
46 void pinmux_init(void)
48 pinmux_clear_tristate_input_clamping();
50 gpio_config_table(apalis_tk1_gpio_inits,
51 ARRAY_SIZE(apalis_tk1_gpio_inits));
53 pinmux_config_pingrp_table(apalis_tk1_pingrps,
54 ARRAY_SIZE(apalis_tk1_pingrps));
56 pinmux_config_drvgrp_table(apalis_tk1_drvgrps,
57 ARRAY_SIZE(apalis_tk1_drvgrps));
60 #ifdef CONFIG_PCI_TEGRA
61 int tegra_pcie_board_init(void)
63 /* TODO: Convert to driver model
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);
99 /* Reset I210 Gigabit Ethernet Controller */
100 gpio_request(LAN_RESET_N, "LAN_RESET_N");
101 gpio_direction_output(LAN_RESET_N, 0);
104 * Make sure we don't get any back feeding from LAN_WAKE_N resp.
107 gpio_request(TEGRA_GPIO(O, 5), "LAN_WAKE_N");
108 gpio_direction_output(TEGRA_GPIO(O, 5), 0);
110 gpio_request(TEGRA_GPIO(O, 6), "LAN_DEV_OFF_N");
111 gpio_direction_output(TEGRA_GPIO(O, 6), 0);
113 /* Make sure LDO9 and LDO10 are initially enabled @ 0V */
114 /* TODO: Convert to driver model
115 err = as3722_ldo_enable(pmic, 9);
117 error("failed to enable LDO9: %d\n", err);
120 err = as3722_ldo_enable(pmic, 10);
122 error("failed to enable LDO10: %d\n", err);
125 err = as3722_ldo_set_voltage(pmic, 9, 0x80);
127 error("failed to set LDO9 voltage: %d\n", err);
130 err = as3722_ldo_set_voltage(pmic, 10, 0x80);
132 error("failed to set LDO10 voltage: %d\n", err);
139 /* Make sure controller gets enabled by disabling DEV_OFF_N */
140 gpio_set_value(TEGRA_GPIO(O, 6), 1);
142 /* Enable LDO9 and LDO10 for +V3.3_ETH on patched prototypes */
143 /* TODO: Convert to driver model
144 err = as3722_ldo_set_voltage(pmic, 9, 0xff);
146 error("failed to set LDO9 voltage: %d\n", err);
149 err = as3722_ldo_set_voltage(pmic, 10, 0xff);
151 error("failed to set LDO10 voltage: %d\n", err);
157 gpio_set_value(LAN_RESET_N, 1);
159 #ifdef APALIS_TK1_PCIE_EVALBOARD_INIT
160 #define PEX_PERST_N TEGRA_GPIO(DD, 1) /* Apalis GPIO7 */
161 #define RESET_MOCI_CTRL TEGRA_GPIO(U, 4)
163 /* Reset PLX PEX 8605 PCIe Switch plus PCIe devices on Apalis Evaluation
165 gpio_request(PEX_PERST_N, "PEX_PERST_N");
166 gpio_request(RESET_MOCI_CTRL, "RESET_MOCI_CTRL");
167 gpio_direction_output(PEX_PERST_N, 0);
168 gpio_direction_output(RESET_MOCI_CTRL, 0);
169 /* Must be asserted for 100 ms after power and clocks are stable */
171 gpio_set_value(PEX_PERST_N, 1);
172 /* Err_5: PEX_REFCLK_OUTpx/nx Clock Outputs is not Guaranteed Until
173 900 us After PEX_PERST# De-assertion */
175 gpio_set_value(RESET_MOCI_CTRL, 1);
176 #endif /* APALIS_T30_PCIE_EVALBOARD_INIT */
180 #endif /* CONFIG_PCI_TEGRA */