diff options
Diffstat (limited to 'src/soc/intel/denverton_ns/uart_debug.c')
-rw-r--r-- | src/soc/intel/denverton_ns/uart_debug.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/soc/intel/denverton_ns/uart_debug.c b/src/soc/intel/denverton_ns/uart_debug.c new file mode 100644 index 0000000000..f909d56232 --- /dev/null +++ b/src/soc/intel/denverton_ns/uart_debug.c @@ -0,0 +1,34 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 - 2017 Intel Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <stdint.h> +#include <device/pci_def.h> +#include <io.h> +#include <arch/pci_io_cfg.h> +#include <soc/uart.h> + +#define MY_PCI_DEV(SEGBUS, DEV, FN) \ + ((((SEGBUS)&0xFFF) << 20) | (((DEV)&0x1F) << 15) | (((FN)&0x07) << 12)) + +uintptr_t uart_platform_base(int idx); + +uintptr_t uart_platform_base(int idx) +{ + return (uintptr_t)pci_io_read_config32( + MY_PCI_DEV(0, CONFIG_HSUART_DEV, idx), + PCI_BASE_ADDRESS_1) + + SIZE_OF_HSUART_RES * idx; +} |