diff options
Diffstat (limited to 'src/soc/intel/skylake/bootblock/uart.c')
-rw-r--r-- | src/soc/intel/skylake/bootblock/uart.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/src/soc/intel/skylake/bootblock/uart.c b/src/soc/intel/skylake/bootblock/uart.c deleted file mode 100644 index f6e7e13b8e..0000000000 --- a/src/soc/intel/skylake/bootblock/uart.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2015 Google Inc. - * Copyright (C) 2015 Intel Corporation - * Copyright (C) 2016 Intel Corporation - * - * 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; version 2 of the License. - * - * 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 <console/uart.h> -#include <device/pci_def.h> -#include <gpio.h> -#include <intelblocks/lpss.h> -#include <intelblocks/pcr.h> -#include <intelblocks/uart.h> -#include <soc/bootblock.h> -#include <soc/pci_devs.h> -#include <soc/pcr_ids.h> - -/* Serial IO UART controller legacy mode */ -#define PCR_SERIAL_IO_GPPRVRW7 0x618 -#define PCR_SIO_PCH_LEGACY_UART(idx) (1 << (idx)) - -/* UART2 pad configuration. Support RXD and TXD for now. */ -static const struct pad_config uart2_pads[] = { -/* UART2_RXD */ PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1), -/* UART2_TXD */ PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1), -}; - -void pch_uart_init(void) -{ - uintptr_t base = uart_platform_base(CONFIG_UART_FOR_CONSOLE); - - uart_common_init(PCH_DEV_UART2, base); - - /* Put UART2 in byte access mode for 16550 compatibility */ - if (!IS_ENABLED(CONFIG_DRIVERS_UART_8250MEM_32)) { - pcr_write32(PID_SERIALIO, PCR_SERIAL_IO_GPPRVRW7, - PCR_SIO_PCH_LEGACY_UART(CONFIG_UART_FOR_CONSOLE)); - - /* - * Dummy read after setting any of GPPRVRW7. - * Required for UART 16550 8-bit Legacy mode to become active - */ - lpss_clk_read(base); - } - - gpio_configure_pads(uart2_pads, ARRAY_SIZE(uart2_pads)); -} |