diff options
Diffstat (limited to 'board/toradex/apalis-tk1/apalis-tk1.c')
| -rw-r--r-- | board/toradex/apalis-tk1/apalis-tk1.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/board/toradex/apalis-tk1/apalis-tk1.c b/board/toradex/apalis-tk1/apalis-tk1.c new file mode 100644 index 0000000000..c7e519c19b --- /dev/null +++ b/board/toradex/apalis-tk1/apalis-tk1.c @@ -0,0 +1,175 @@ +/* + * Copyright (c) 2016 Toradex, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch-tegra/ap.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <asm/arch/gpio.h> +#include <asm/arch/pinmux.h> +#include <power/as3722.h> + +#include "../common/tdx-common.h" +#include "pinmux-config-apalis-tk1.h" + +#define LAN_RESET_N TEGRA_GPIO(S, 2) + +int arch_misc_init(void) +{ + if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) == + NVBOOTTYPE_RECOVERY) + printf("USB recovery mode\n"); + + return 0; +} + +int checkboard(void) +{ + puts("Model: Toradex Apalis TK1 2GB\n"); + + return 0; +} + +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +int ft_board_setup(void *blob, bd_t *bd) +{ + return ft_common_board_setup(blob, bd); +} +#endif + +/* + * Routine: pinmux_init + * Description: Do individual peripheral pinmux configs + */ +void pinmux_init(void) +{ + pinmux_clear_tristate_input_clamping(); + + gpio_config_table(apalis_tk1_gpio_inits, + ARRAY_SIZE(apalis_tk1_gpio_inits)); + + pinmux_config_pingrp_table(apalis_tk1_pingrps, + ARRAY_SIZE(apalis_tk1_pingrps)); + + pinmux_config_drvgrp_table(apalis_tk1_drvgrps, + ARRAY_SIZE(apalis_tk1_drvgrps)); +} + +#ifdef CONFIG_PCI_TEGRA +int tegra_pcie_board_init(void) +{ + struct udevice *pmic; + int err; + + err = as3722_init(&pmic); + if (err) { + error("failed to initialize AS3722 PMIC: %d\n", err); + return err; + } + + err = as3722_sd_enable(pmic, 4); + if (err < 0) { + error("failed to enable SD4: %d\n", err); + return err; + } + + err = as3722_sd_set_voltage(pmic, 4, 0x24); + if (err < 0) { + error("failed to set SD4 voltage: %d\n", err); + return err; + } + + err = as3722_gpio_configure(pmic, 1, AS3722_GPIO_OUTPUT_VDDH | + AS3722_GPIO_INVERT); + if (err < 0) { + error("failed to configure GPIO#1 as output: %d\n", err); + return err; + } + + err = as3722_gpio_direction_output(pmic, 2, 1); + if (err < 0) { + error("failed to set GPIO#2 high: %d\n", err); + return err; + } + + /* Reset I210 Gigabit Ethernet Controller */ + gpio_request(LAN_RESET_N, "LAN_RESET_N"); + gpio_direction_output(LAN_RESET_N, 0); + + /* + * Make sure we don't get any back feeding from LAN_WAKE_N resp. + * DEV_OFF_N + */ + gpio_request(TEGRA_GPIO(O, 5), "LAN_WAKE_N"); + gpio_direction_output(TEGRA_GPIO(O, 5), 0); + + gpio_request(TEGRA_GPIO(O, 6), "LAN_DEV_OFF_N"); + gpio_direction_output(TEGRA_GPIO(O, 6), 0); + + /* Make sure LDO9 and LDO10 are initially enabled @ 0V */ + err = as3722_ldo_enable(pmic, 9); + if (err < 0) { + error("failed to enable LDO9: %d\n", err); + return err; + } + err = as3722_ldo_enable(pmic, 10); + if (err < 0) { + error("failed to enable LDO10: %d\n", err); + return err; + } + err = as3722_ldo_set_voltage(pmic, 9, 0x80); + if (err < 0) { + error("failed to set LDO9 voltage: %d\n", err); + return err; + } + err = as3722_ldo_set_voltage(pmic, 10, 0x80); + if (err < 0) { + error("failed to set LDO10 voltage: %d\n", err); + return err; + } + + mdelay(100); + + /* Make sure controller gets enabled by disabling DEV_OFF_N */ + gpio_set_value(TEGRA_GPIO(O, 6), 1); + + /* Enable LDO9 and LDO10 for +V3.3_ETH on patched prototypes */ + err = as3722_ldo_set_voltage(pmic, 9, 0xff); + if (err < 0) { + error("failed to set LDO9 voltage: %d\n", err); + return err; + } + err = as3722_ldo_set_voltage(pmic, 10, 0xff); + if (err < 0) { + error("failed to set LDO10 voltage: %d\n", err); + return err; + } + + mdelay(100); + gpio_set_value(LAN_RESET_N, 1); + +#ifdef APALIS_TK1_PCIE_EVALBOARD_INIT +#define PEX_PERST_N TEGRA_GPIO(DD, 1) /* Apalis GPIO7 */ +#define RESET_MOCI_CTRL TEGRA_GPIO(U, 4) + + /* Reset PLX PEX 8605 PCIe Switch plus PCIe devices on Apalis Evaluation + Board */ + gpio_request(PEX_PERST_N, "PEX_PERST_N"); + gpio_request(RESET_MOCI_CTRL, "RESET_MOCI_CTRL"); + gpio_direction_output(PEX_PERST_N, 0); + gpio_direction_output(RESET_MOCI_CTRL, 0); + /* Must be asserted for 100 ms after power and clocks are stable */ + mdelay(100); + gpio_set_value(PEX_PERST_N, 1); + /* Err_5: PEX_REFCLK_OUTpx/nx Clock Outputs is not Guaranteed Until + 900 us After PEX_PERST# De-assertion */ + mdelay(1); + gpio_set_value(RESET_MOCI_CTRL, 1); +#endif /* APALIS_T30_PCIE_EVALBOARD_INIT */ + + return 0; +} +#endif /* CONFIG_PCI_TEGRA */ |