diff options
Diffstat (limited to 'board/microsoft/surface-2')
| -rw-r--r-- | board/microsoft/surface-2/Kconfig | 13 | ||||
| -rw-r--r-- | board/microsoft/surface-2/MAINTAINERS | 7 | ||||
| -rw-r--r-- | board/microsoft/surface-2/Makefile | 6 | ||||
| -rw-r--r-- | board/microsoft/surface-2/board-info.c | 71 | ||||
| -rw-r--r-- | board/microsoft/surface-2/surface-2-spl.c | 42 | ||||
| -rw-r--r-- | board/microsoft/surface-2/surface-2.env | 8 |
6 files changed, 147 insertions, 0 deletions
diff --git a/board/microsoft/surface-2/Kconfig b/board/microsoft/surface-2/Kconfig new file mode 100644 index 00000000000..8573666dc92 --- /dev/null +++ b/board/microsoft/surface-2/Kconfig @@ -0,0 +1,13 @@ +if TARGET_SURFACE_2 + +config SYS_BOARD + default "surface-2" + +config SYS_VENDOR + default "microsoft" + +config TEGRA_BOARD_STRING + string "Default Tegra board name" + default "Microsoft Surface 2" + +endif diff --git a/board/microsoft/surface-2/MAINTAINERS b/board/microsoft/surface-2/MAINTAINERS new file mode 100644 index 00000000000..57747d304cd --- /dev/null +++ b/board/microsoft/surface-2/MAINTAINERS @@ -0,0 +1,7 @@ +SURFACE_2 BOARD +M: Jonas Schwöbel <jonasschwoebel@yahoo.de> +S: Maintained +F: arch/arm/dts/tegra114-microsoft-surface-2* +F: board/microsoft/surface-2/ +F: configs/surface-2_defconfig +F: doc/board/microsoft/surface-2.rst diff --git a/board/microsoft/surface-2/Makefile b/board/microsoft/surface-2/Makefile new file mode 100644 index 00000000000..43bf6c66db2 --- /dev/null +++ b/board/microsoft/surface-2/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved. + +obj-$(CONFIG_XPL_BUILD) += surface-2-spl.o +obj-$(CONFIG_MULTI_DTB_FIT) += board-info.o diff --git a/board/microsoft/surface-2/board-info.c b/board/microsoft/surface-2/board-info.c new file mode 100644 index 00000000000..95a4accdc90 --- /dev/null +++ b/board/microsoft/surface-2/board-info.c @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2025 + * Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <stdio.h> +#include <env.h> +#include <spl_gpio.h> + +#include <asm/gpio.h> +#include <asm/arch/pinmux.h> +#include <linux/string.h> + +static int id_gpio_get_value(u32 pingrp, u32 pin) +{ + /* Configure pinmux */ + pinmux_set_func(pingrp, PMUX_FUNC_KBC); + pinmux_set_pullupdown(pingrp, PMUX_PULL_DOWN); + pinmux_tristate_enable(pingrp); + pinmux_set_io(pingrp, PMUX_PIN_INPUT); + + /* + * Since this function may be called + * during DM reload we should use SPL + * GPIO functions which do not depend + * on DM. + */ + spl_gpio_input(NULL, pin); + return spl_gpio_get_value(NULL, pin); +} + +static int get_board_id(void) +{ + u32 pcb_id0, pcb_id1, pcb_id2, pcb_id3, pcb_id4, board_id; + + pcb_id0 = id_gpio_get_value(PMUX_PINGRP_KB_COL0_PQ0, TEGRA_GPIO(Q, 0)); + pcb_id1 = id_gpio_get_value(PMUX_PINGRP_KB_COL1_PQ1, TEGRA_GPIO(Q, 1)); + pcb_id2 = id_gpio_get_value(PMUX_PINGRP_KB_COL2_PQ2, TEGRA_GPIO(Q, 2)); + pcb_id3 = id_gpio_get_value(PMUX_PINGRP_KB_COL3_PQ3, TEGRA_GPIO(Q, 3)); + pcb_id4 = id_gpio_get_value(PMUX_PINGRP_KB_COL4_PQ4, TEGRA_GPIO(Q, 4)); + + /* Construct board ID */ + board_id = pcb_id4 << 4 | pcb_id3 << 3 | pcb_id2 << 2 | pcb_id1 << 1 | pcb_id0; + + log_debug("[SURFACE-2]: Board ID %02x\n", board_id); + + return board_id & 0x1f; +} + +int board_fit_config_name_match(const char *name) +{ + char dt_name[64] = { 0 }; + + snprintf(dt_name, sizeof(dt_name), "tegra114-microsoft-surface-2-%02x.dtb", + get_board_id()); + + if (!strcmp(name, dt_name)) + return 0; + + return -1; +} + +void nvidia_board_late_init(void) +{ + char dt_path[64] = { 0 }; + + snprintf(dt_path, sizeof(dt_path), "tegra114-microsoft-surface-2-%02x.dtb", + get_board_id()); + env_set("fdtfile", dt_path); +} diff --git a/board/microsoft/surface-2/surface-2-spl.c b/board/microsoft/surface-2/surface-2-spl.c new file mode 100644 index 00000000000..16f4373c7f0 --- /dev/null +++ b/board/microsoft/surface-2/surface-2-spl.c @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Surface 2 SPL stage configuration + * + * (C) Copyright 2010-2013 + * NVIDIA Corporation <www.nvidia.com> + * + * (C) Copyright 2023 + * Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <asm/arch/tegra.h> +#include <asm/arch-tegra/tegra_i2c.h> +#include <linux/delay.h> + +#define TPS65913_I2C_ADDR (0x58 << 1) + +#define TPS65913_SMPS12_CTRL 0x20 +#define TPS65913_SMPS12_VOLTAGE 0x23 +#define TPS65913_SMPS45_CTRL 0x28 +#define TPS65913_SMPS45_VOLTAGE 0x2B + +#define TPS65913_SMPS12_CTRL_DATA (0x5100 | TPS65913_SMPS12_CTRL) +#define TPS65913_SMPS12_VOLTAGE_DATA (0x3900 | TPS65913_SMPS12_VOLTAGE) +#define TPS65913_SMPS45_CTRL_DATA (0x5100 | TPS65913_SMPS45_CTRL) +#define TPS65913_SMPS45_VOLTAGE_DATA (0x4c00 | TPS65913_SMPS45_VOLTAGE) + +void pmic_enable_cpu_vdd(void) +{ + /* Set CORE VDD to 1.200V. */ + tegra_i2c_ll_write(TPS65913_I2C_ADDR, TPS65913_SMPS45_VOLTAGE_DATA); + udelay(1000); + tegra_i2c_ll_write(TPS65913_I2C_ADDR, TPS65913_SMPS45_CTRL_DATA); + + udelay(1000); + + /* Set CPU VDD to 1.0125V. */ + tegra_i2c_ll_write(TPS65913_I2C_ADDR, TPS65913_SMPS12_VOLTAGE_DATA); + udelay(1000); + tegra_i2c_ll_write(TPS65913_I2C_ADDR, TPS65913_SMPS12_CTRL_DATA); + udelay(10 * 1000); +} diff --git a/board/microsoft/surface-2/surface-2.env b/board/microsoft/surface-2/surface-2.env new file mode 100644 index 00000000000..a77885a7c6d --- /dev/null +++ b/board/microsoft/surface-2/surface-2.env @@ -0,0 +1,8 @@ +button_cmd_0_name=Volume Down +button_cmd_0=bootmenu + +bootmenu_0=mount internal storage=usb start && ums 0 mmc 0; bootmenu +bootmenu_1=mount external storage=usb start && ums 0 mmc 1; bootmenu +bootmenu_2=fastboot=echo Starting Fastboot protocol ...; fastboot usb 0; bootmenu +bootmenu_4=power off=reset +bootmenu_delay=-1 |