diff options
| -rw-r--r-- | src/superio/nsc/Makefile.inc | 4 | ||||
| -rw-r--r-- | src/superio/nsc/common/Kconfig | 19 | ||||
| -rw-r--r-- | src/superio/nsc/common/early_serial.c | 31 | ||||
| -rw-r--r-- | src/superio/nsc/common/nsc.h | 26 |
4 files changed, 80 insertions, 0 deletions
diff --git a/src/superio/nsc/Makefile.inc b/src/superio/nsc/Makefile.inc index a792573bc9..832359140f 100644 --- a/src/superio/nsc/Makefile.inc +++ b/src/superio/nsc/Makefile.inc @@ -13,6 +13,10 @@ ## GNU General Public License for more details. ## +## include generic nsc pre-ram stage driver +bootblock-$(CONFIG_SUPERIO_NSC_COMMON_PRE_RAM) += common/early_serial.c +romstage-$(CONFIG_SUPERIO_NSC_COMMON_PRE_RAM) += common/early_serial.c + subdirs-y += pc87309 subdirs-y += pc87360 subdirs-y += pc87366 diff --git a/src/superio/nsc/common/Kconfig b/src/superio/nsc/common/Kconfig new file mode 100644 index 0000000000..e486071410 --- /dev/null +++ b/src/superio/nsc/common/Kconfig @@ -0,0 +1,19 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2011 Advanced Micro Devices, Inc. +## +## 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. +## + +# Generic NSC romstage driver - Just enough UART initialisation code for +# pre-ram. +config SUPERIO_NSC_COMMON_PRE_RAM + bool diff --git a/src/superio/nsc/common/early_serial.c b/src/superio/nsc/common/early_serial.c new file mode 100644 index 0000000000..2cd9f050cf --- /dev/null +++ b/src/superio/nsc/common/early_serial.c @@ -0,0 +1,31 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2000 AG Electronics Ltd. + * Copyright (C) 2003-2004 Linux Networx + * Copyright (C) 2004 Tyan + * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de> + * + * 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 <arch/io.h> +#include <device/pnp_def.h> +#include <stdint.h> +#include "nsc.h" + +void nsc_enable_serial(pnp_devfn_t dev, u16 iobase) +{ + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + pnp_set_iobase(dev, PNP_IDX_IO0, iobase); + pnp_set_enable(dev, 1); +} diff --git a/src/superio/nsc/common/nsc.h b/src/superio/nsc/common/nsc.h new file mode 100644 index 0000000000..76112dc4fa --- /dev/null +++ b/src/superio/nsc/common/nsc.h @@ -0,0 +1,26 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com> + * Copyright (C) 2014 Felix Held <felix-coreboot@felixheld.de> + * + * 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. + */ + +#ifndef SUPERIO_NSC_COMMON_PRE_RAM_H +#define SUPERIO_NSC_COMMON_PRE_RAM_H + +#include <device/pnp_def.h> +#include <stdint.h> + +void nsc_enable_serial(pnp_devfn_t dev, u16 iobase); + +#endif /* SUPERIO_NSC_COMMON_PRE_RAM_H */ |