Damien Zammit (damien@zamaudio.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7626
-gerrit
commit e5b6cde6be960deb26c1b3e426bfad32b8634fa6 Author: Damien Zammit damien@zamaudio.com Date: Tue Dec 2 20:24:31 2014 +1100
superio/smsc/sch311x: New superio support
Add support for the SCH3112, SCH3114 and SCH3116 super I/Os. Includes a command to share all 2-6 serial ports among a single IRQ.
Change-Id: I759d458bb03e145a68fe04617521ce079cc2be2f Signed-off-by: Damien Zammit damien@zamaudio.com --- src/superio/smsc/Kconfig | 2 + src/superio/smsc/Makefile.inc | 1 + src/superio/smsc/sch311x/Makefile.inc | 21 ++++++++ src/superio/smsc/sch311x/sch311x.h | 36 +++++++++++++ src/superio/smsc/sch311x/sch311x_early_init.c | 73 +++++++++++++++++++++++++++ src/superio/smsc/sch311x/superio.c | 66 ++++++++++++++++++++++++ 6 files changed, 199 insertions(+)
diff --git a/src/superio/smsc/Kconfig b/src/superio/smsc/Kconfig index 6aaa112..a47d127 100644 --- a/src/superio/smsc/Kconfig +++ b/src/superio/smsc/Kconfig @@ -47,5 +47,7 @@ config SUPERIO_SMSC_SMSCSUPERIO select SUPERIO_WANTS_14MHZ_CLOCK config SUPERIO_SMSC_SIO1036 bool +config SUPERIO_SMSC_SCH311X + bool config SUPERIO_SMSC_SCH4037 bool diff --git a/src/superio/smsc/Makefile.inc b/src/superio/smsc/Makefile.inc index a89b6ac..2397d6c 100644 --- a/src/superio/smsc/Makefile.inc +++ b/src/superio/smsc/Makefile.inc @@ -32,4 +32,5 @@ subdirs-y += kbc1100 subdirs-y += mec1308 subdirs-y += smscsuperio subdirs-y += sio1036 +subdirs-y += sch311x subdirs-y += sch4037 diff --git a/src/superio/smsc/sch311x/Makefile.inc b/src/superio/smsc/sch311x/Makefile.inc new file mode 100644 index 0000000..de0e724 --- /dev/null +++ b/src/superio/smsc/sch311x/Makefile.inc @@ -0,0 +1,21 @@ +# +# This file is part of the coreboot project. +# +# Copyright (C) 2014 Damien Zammit damien@zamaudio.com +# +# 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. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +romstage-$(CONFIG_SUPERIO_SMSC_SCH311X) += sch311x_early_init.c +ramstage-$(CONFIG_SUPERIO_SMSC_SCH311X) += superio.c diff --git a/src/superio/smsc/sch311x/sch311x.h b/src/superio/smsc/sch311x/sch311x.h new file mode 100644 index 0000000..987e2dd --- /dev/null +++ b/src/superio/smsc/sch311x/sch311x.h @@ -0,0 +1,36 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Damien Zammit damien@zamaudio.com + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef SUPERIO_SCH_311X_H +#define SUPERIO_SCH_311X_H + +#define SCH311X_FDD 0 /* FDD */ +#define SCH311X_LPT 3 /* LPT */ +#define SMSCSUPERIO_SP1 4 /* Com1 */ +#define SMSCSUPERIO_SP2 5 /* Com2 */ +#define SCH311X_KBC 7 /* KBC */ +#define SCH311X_RUNTIME 0x0A /* Runtime */ +#define SMSCSUPERIO_SP3 0x0B /* Com3 */ +#define SMSCSUPERIO_SP4 0x0C /* Com4 */ +#define SMSCSUPERIO_SP5 0x0D /* Com5 */ +#define SMSCSUPERIO_SP6 0x0E /* Com6 */ + +void sch311x_early_init(unsigned port); + +#endif /* SUPERIO_SCH_311X_H */ diff --git a/src/superio/smsc/sch311x/sch311x_early_init.c b/src/superio/smsc/sch311x/sch311x_early_init.c new file mode 100644 index 0000000..c1b41ba --- /dev/null +++ b/src/superio/smsc/sch311x/sch311x_early_init.c @@ -0,0 +1,73 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * Copyright (C) 2014 Damien Zammit damien@zamaudio.com + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#include <arch/io.h> +#include <device/pnp.h> +#include <stdint.h> + +#include "sch311x.h" + +static void pnp_enter_conf_state(pnp_devfn_t dev) +{ + unsigned port = dev >> 8; + outb(0x55, port); +} + +static void pnp_exit_conf_state(pnp_devfn_t dev) +{ + unsigned port = dev >> 8; + outb(0xaa, port); +} + +void sch311x_early_init(unsigned port) +{ + pnp_devfn_t dev; + + dev = PNP_DEV(port, SMSCSUPERIO_SP1); + pnp_enter_conf_state(dev); + + /* Auto power management */ + pnp_write_config(dev, 0x22, 0x38); /* BIT3+BIT4+BIT5 */ + pnp_write_config(dev, 0x23, 0 ); + + /* Enable SMSC UART 0 */ + dev = PNP_DEV(port, SMSCSUPERIO_SP1); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + + pnp_set_iobase(dev, PNP_IDX_IO0, CONFIG_TTYS0_BASE); + pnp_set_irq(dev, PNP_IDX_IRQ0, 0x4); + + /* Enable High speed, disable MIDI support, + * Share 1x IRQ among all serial ports */ + pnp_write_config(dev, 0xF0, 0xC2); + pnp_set_enable(dev, 1); + + /* Enable keyboard */ + dev = PNP_DEV(port, SCH311X_KBC); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + pnp_set_irq(dev, 0x70, 1); /* IRQ 1 */ + pnp_set_irq(dev, 0x72, 12); /* IRQ 12 */ + pnp_set_enable(dev, 1); + + pnp_exit_conf_state(dev); +} diff --git a/src/superio/smsc/sch311x/superio.c b/src/superio/smsc/sch311x/superio.c new file mode 100644 index 0000000..8f17a12 --- /dev/null +++ b/src/superio/smsc/sch311x/superio.c @@ -0,0 +1,66 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* RAM driver for the SMSC SCH311X Super I/O chip */ + +#include <arch/io.h> +#include <device/device.h> +#include <device/pnp.h> +#include <superio/conf_mode.h> +#include <console/console.h> +#include <pc80/keyboard.h> +#include <stdlib.h> + +#include "sch311x.h" + +static void sch311x_init(struct device *dev) +{ + if (!dev->enabled) { + return; + } + + switch(dev->path.pnp.device) { + case SCH311X_KBC: + pc_keyboard_init(); + break; + } +} + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = pnp_set_resources, + .enable_resources = pnp_enable_resources, + .enable = pnp_alt_enable, + .init = sch311x_init, + .ops_pnp_mode = &pnp_conf_mode_55_aa, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, SCH311X_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, }, +}; + +static void enable_dev(struct device *dev) +{ + pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); +} + +struct chip_operations superio_smsc_sch311x_ops = { + CHIP_NAME("SMSC SCH311x Super I/O") + .enable_dev = enable_dev, +};
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Damien Zammit