| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * Copyright 2019 Google LLC | |
| */ | |
| #ifndef _ASM_ARCH_UART_H | |
| #define _ASM_ARCH_UART_H | |
| /** | |
| * apl_uart_init() - Set up the APL UART device and clock | |
| * | |
| * This enables the PCI device, sets up the MMIO region and turns on the clock | |
| * using LPSS. | |
| * | |
| * The UART won't actually work unless the GPIO settings are correct and the | |
| * signals actually exit the SoC. See board_debug_uart_init() for that. | |
| */ | |
| int apl_uart_init(pci_dev_t bdf, ulong base); | |
| #endif |