Stefan Reinauer (stefan.reinauer@coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/825
-gerrit
commit cadb0e43529ea4ea2a8ae885403506ad1b8242fe Author: Stefan Reinauer reinauer@chromium.org Date: Fri Mar 30 15:12:22 2012 -0700
Add support for SMSC MEC1308/1310 SuperI/O EC
Change-Id: If7921a66bab35f72c8455d5f0befc32a514ab417 Signed-off-by: Duncan Laurie dlaurie@google.com Signed-off-by: Stefan Reinauer reinauer@google.com --- src/superio/smsc/Kconfig | 2 + src/superio/smsc/Makefile.inc | 1 + src/superio/smsc/mec1308/Makefile.inc | 20 +++ src/superio/smsc/mec1308/acpi/superio.asl | 261 +++++++++++++++++++++++++++++ src/superio/smsc/mec1308/chip.h | 33 ++++ src/superio/smsc/mec1308/mec1308.h | 27 +++ src/superio/smsc/mec1308/superio.c | 121 +++++++++++++ 7 files changed, 465 insertions(+), 0 deletions(-)
diff --git a/src/superio/smsc/Kconfig b/src/superio/smsc/Kconfig index 224376b..8d66fc5 100644 --- a/src/superio/smsc/Kconfig +++ b/src/superio/smsc/Kconfig @@ -40,6 +40,8 @@ config SUPERIO_SMSC_SIO1007 bool config SUPERIO_SMSC_KBC1100 bool +config SUPERIO_SMSC_MEC1308 + bool config SUPERIO_SMSC_SMSCSUPERIO bool config SUPERIO_SMSC_SIO1036 diff --git a/src/superio/smsc/Makefile.inc b/src/superio/smsc/Makefile.inc index bb4bf1d..8ebdf05 100644 --- a/src/superio/smsc/Makefile.inc +++ b/src/superio/smsc/Makefile.inc @@ -29,6 +29,7 @@ subdirs-y += lpc47n227 subdirs-y += sio10n268 subdirs-y += sio1007 subdirs-y += kbc1100 +subdirs-y += mec1308 subdirs-y += smscsuperio subdirs-y += sio1036 subdirs-y += sch4037 diff --git a/src/superio/smsc/mec1308/Makefile.inc b/src/superio/smsc/mec1308/Makefile.inc new file mode 100644 index 0000000..b2b7baa --- /dev/null +++ b/src/superio/smsc/mec1308/Makefile.inc @@ -0,0 +1,20 @@ +# +# This file is part of the coreboot project. +# +# Copyright (C) 2011 Google 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 +# + +ramstage-$(CONFIG_SUPERIO_SMSC_MEC1308) += superio.c diff --git a/src/superio/smsc/mec1308/acpi/superio.asl b/src/superio/smsc/mec1308/acpi/superio.asl new file mode 100644 index 0000000..96f2ef8 --- /dev/null +++ b/src/superio/smsc/mec1308/acpi/superio.asl @@ -0,0 +1,261 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. + * + * 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 + */ + +// Scope is _SB.PCI0.LPCB + +Device (SIO) { + OperationRegion (SIOA, SystemIO, 0x2E, 0x02) + Field (SIOA, ByteAcc, NoLock, Preserve) + { + SI2E, 8, + SI2F, 8, + } + + IndexField (SI2E, SI2F, ByteAcc, NoLock, Preserve) + { + Offset (0x07), + SLDN, 8, /* Logical Device Number */ + Offset (0x30), + SACT, 8, /* Activate */ + Offset (0x60), + IO0H, 8, /* Base Address 0 MSB */ + IO0L, 8, /* Base Address 0 LSB */ + Offset (0x62), + IO1H, 8, /* Base Address 1 MSB */ + IO1L, 8, /* Base Address 1 LSB */ + Offset (0x70), + IQ00, 8, /* Interrupt Select */ + } + + Name (LPM1, 1) /* ACPI PM1 */ + Name (LEC1, 2) /* EC 1 */ + Name (LEC2, 3) /* EC 2 */ + Name (LSP1, 4) /* Serial Port */ + Name (LKBC, 7) /* Keyboard */ + Name (LEC0, 8) /* EC 0 */ + Name (LMBX, 9) /* Mailbox */ + + Method (ENTR, 0, NotSerialized) + { + Store (0x55, SI2E) + } + + Method (EXIT, 0, NotSerialized) + { + Store (0xaa, SI2E) + } + + /* Parse activate register for an LDN */ + Method (ISEN, 1, NotSerialized) + { + ENTR () + Store (Arg0, SLDN) + Store (SACT, Local0) + EXIT () + + /* Check if it exists */ + If (LEqual (Local0, 0xFF)) + { + Return (0x00) + } + + /* Check if activated */ + If (LEqual (Local0, One)) + { + Return (0x0F) + } + Else + { + Return (0x0D) + } + } + + /* Enable an LDN via the activate register */ + Method (SENA, 1, NotSerialized) + { + ENTR () + Store (Arg0, SLDN) + Store (One, SACT) + EXIT () + } + + /* Disable an LDN via the activate register */ + Method (SDIS, 1, NotSerialized) + { + ENTR () + Store (Arg0, SLDN) + Store (Zero, SACT) + EXIT () + } + +#ifdef SIO_ENABLE_SPM1 + Device (SPM1) { + Name (_HID, EISAID ("PNP0C02")) + Name (_UID, 1) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (LPM1)) + } + + Name (_CRS, ResourceTemplate () + { + IO (Decode16, SIO_SPM1_IO0, SIO_SPM1_IO0, 0x08, 0x08) + }) + + Name (_PRS, ResourceTemplate () + { + IO (Decode16, SIO_SPM1_IO0, SIO_SPM1_IO0, 0x08, 0x08) + }) + } +#endif + +#ifdef SIO_ENABLE_SEC1 + Device (SEC1) { + Name (_HID, EISAID ("PNP0C09")) + Name (_UID, 2) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (LEC1)) + } + + Name (_CRS, ResourceTemplate () + { + IO (Decode16, SIO_SEC1_IO0, SIO_SEC1_IO0, 0x04, 0x04) + }) + + Name (_PRS, ResourceTemplate () + { + IO (Decode16, SIO_SEC1_IO0, SIO_SEC1_IO0, 0x04, 0x04) + }) + } +#endif + +#ifdef SIO_ENABLE_SEC2 + Device (SEC2) { + Name (_HID, EISAID ("PNP0C09")) + Name (_UID, 3) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (LEC2)) + } + + Name (_CRS, ResourceTemplate () + { + IO (Decode16, SIO_SEC2_IO0, SIO_SEC2_IO0, 0x04, 0x04) + }) + + Name (_PRS, ResourceTemplate () + { + IO (Decode16, SIO_SEC2_IO0, SIO_SEC2_IO0, 0x04, 0x04) + }) + } +#endif + +#ifdef SIO_ENABLE_SSP1 + Device (SSP1) { + Name (_HID, EISAID ("PNP0501")) + Name (_UID, 4) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (LSP1)) + } + + Name (_CRS, ResourceTemplate () + { + IO (Decode16, SIO_SSP1_IO0, SIO_SSP1_IO0, 0x08, 0x08) + IRQNoFlags () {SIO_SSP1_IRQ} + }) + + Name (_PRS, ResourceTemplate () + { + IO (Decode16, SIO_SSP1_IO0, SIO_SSP1_IO0, 0x08, 0x08) + IRQNoFlags () {SIO_SSP1_IRQ} + }) + } +#endif + +#ifdef SIO_ENABLE_SKBC + Device (SKBC) // Keyboard + { + Name (_HID, EISAID("PNP0303")) + Name (_CID, EISAID("PNP030B")) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (LKBC)) + } + + Name (_CRS, ResourceTemplate() + { + IO (Decode16, 0x60, 0x60, 0x01, 0x01) + IO (Decode16, 0x64, 0x64, 0x01, 0x01) + IRQNoFlags () {1} + }) + + Name (_PRS, ResourceTemplate() + { + IO (Decode16, 0x60, 0x60, 0x01, 0x01) + IO (Decode16, 0x64, 0x64, 0x01, 0x01) + IRQNoFlags () {1} + }) + } +#endif + +#ifdef SIO_ENABLE_SEC0 + Device (SEC0) { + Name (_HID, EISAID ("PNP0C09")) + Name (_UID, 8) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (LEC0)) + } + + Name (_CRS, ResourceTemplate () + { + IO (Decode16, SIO_SEC0_IO0, SIO_SEC0_IO0, 0x04, 0x04) + }) + + Name (_PRS, ResourceTemplate () + { + IO (Decode16, SIO_SEC0_IO0, SIO_SEC0_IO0, 0x04, 0x04) + }) + } +#endif + +#ifdef SIO_ENABLE_SMBX + Device (SMBX) // Mailbox + { + Name (_HID, EISAID("PNP0C02")) + Name (_UID, 9) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (LMBX)) + } + + Name (_CRS, ResourceTemplate() + { + IO (Decode16, SIO_SMBX_IO0, SIO_SMBX_IO0, 0x34, 0x34) + }) + + Name (_PRS, ResourceTemplate() + { + IO (Decode16, SIO_SMBX_IO0, SIO_SMBX_IO0, 0x34, 0x34) + }) + } +#endif +} diff --git a/src/superio/smsc/mec1308/chip.h b/src/superio/smsc/mec1308/chip.h new file mode 100644 index 0000000..3826888 --- /dev/null +++ b/src/superio/smsc/mec1308/chip.h @@ -0,0 +1,33 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Google 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 + */ + +#ifndef SUPERIO_SMSC_MEC1308_CHIP_H +#define SUPERIO_SMSC_MEC1308_CHIP_H + +#include <pc80/keyboard.h> +#include <uart8250.h> + +struct chip_operations; +extern struct chip_operations superio_smsc_mec1308_ops; + +struct superio_smsc_mec1308_config { + struct pc_keyboard keyboard; +}; + +#endif diff --git a/src/superio/smsc/mec1308/mec1308.h b/src/superio/smsc/mec1308/mec1308.h new file mode 100644 index 0000000..2b61234 --- /dev/null +++ b/src/superio/smsc/mec1308/mec1308.h @@ -0,0 +1,27 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. + * + * 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 + */ + +#define MEC1308_PM1 1 +#define MEC1308_EC1 2 +#define MEC1308_EC2 3 +#define MEC1308_UART 4 +#define MEC1308_KBC 7 +#define MEC1308_EC0 8 +#define MEC1308_MBX 9 + diff --git a/src/superio/smsc/mec1308/superio.c b/src/superio/smsc/mec1308/superio.c new file mode 100644 index 0000000..070871d --- /dev/null +++ b/src/superio/smsc/mec1308/superio.c @@ -0,0 +1,121 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. + * + * 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 MEC1308 Super I/O chip */ + +#include <arch/io.h> +#include <device/device.h> +#include <device/pnp.h> +#include <console/console.h> +#include <device/smbus.h> +#include <string.h> +#include <bitops.h> +#include <pc80/keyboard.h> +#include <stdlib.h> +#include "chip.h" +#include "mec1308.h" +#if CONFIG_HAVE_ACPI_RESUME +#include <arch/acpi.h> +#endif + +static void pnp_enter_conf_state(device_t dev) +{ + outb(0x55, dev->path.pnp.port); +} + +static void pnp_exit_conf_state(device_t dev) +{ + outb(0xaa, dev->path.pnp.port); +} + +static void mec1308_pnp_set_resources(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_set_resources(dev); + pnp_exit_conf_state(dev); +} + +static void mec1308_pnp_enable_resources(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_enable_resources(dev); + pnp_exit_conf_state(dev); +} + +static void mec1308_pnp_enable(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_set_logical_device(dev); + + if(dev->enabled) { + pnp_set_enable(dev, 1); + } + else { + pnp_set_enable(dev, 0); + } + pnp_exit_conf_state(dev); +} + +static void mec1308_init(device_t dev) +{ + struct superio_smsc_mec1308_config *conf = dev->chip_info; + + if (!dev->enabled) + return; + + switch(dev->path.pnp.device) { + case MEC1308_KBC: +#if CONFIG_HAVE_ACPI_RESUME + if (acpi_slp_type == 3) + return; +#endif + pc_keyboard_init(&conf->keyboard); + break; + } +} + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = mec1308_pnp_set_resources, + .enable_resources = mec1308_pnp_enable_resources, + .enable = mec1308_pnp_enable, + .init = mec1308_init, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, MEC1308_PM1, PNP_IO0, { 0x7ff, 0 } }, + { &ops, MEC1308_EC1, PNP_IO0, { 0x7ff, 0 } }, + { &ops, MEC1308_EC2, PNP_IO0, { 0x7ff, 0 } }, + { &ops, MEC1308_UART, PNP_IO0 | PNP_IRQ0, {0x0ff8, 0}, }, + { &ops, MEC1308_KBC, PNP_IRQ0, { 0, 0 } /* IO Fixed at 0x60/0x64 */ }, + { &ops, MEC1308_EC0, PNP_IO0, { 0x7ff, 0 } }, + { &ops, MEC1308_MBX, PNP_IO0, { 0x7ff, 0 } }, +}; + +static void enable_dev(device_t dev) +{ + pnp_enable_devices(dev, &pnp_ops, + ARRAY_SIZE(pnp_dev_info), pnp_dev_info); +} + +struct chip_operations superio_smsc_mec1308_ops = { + CHIP_NAME("SMSC MEC1308 EC SuperIO Interface") + .enable_dev = enable_dev +}; +