Stefan Reinauer (stefan.reinauer@coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/824
-gerrit
commit 1bd74b430fe3917da5497a1342f2a946ca87aaf4 Author: Stefan Reinauer reinauer@chromium.org Date: Fri Mar 30 15:10:07 2012 -0700
Add initial support for SMSC SIO1007 SuperI/O chip
early_serial and some ACPI needed for compilation
Change-Id: I5dd970676488697156e0630392884f31149ac85b Signed-off-by: Gabe Black gabeblack@google.com --- src/superio/smsc/Kconfig | 2 + src/superio/smsc/Makefile.inc | 1 + src/superio/smsc/sio1007/acpi/superio.asl | 299 +++++++++++++++++++++++++++++ src/superio/smsc/sio1007/early_serial.c | 64 ++++++ 4 files changed, 366 insertions(+), 0 deletions(-)
diff --git a/src/superio/smsc/Kconfig b/src/superio/smsc/Kconfig index d4f07ec..224376b 100644 --- a/src/superio/smsc/Kconfig +++ b/src/superio/smsc/Kconfig @@ -36,6 +36,8 @@ config SUPERIO_SMSC_LPC47N227 bool config SUPERIO_SMSC_SIO10N268 bool +config SUPERIO_SMSC_SIO1007 + bool config SUPERIO_SMSC_KBC1100 bool config SUPERIO_SMSC_SMSCSUPERIO diff --git a/src/superio/smsc/Makefile.inc b/src/superio/smsc/Makefile.inc index d07afea..bb4bf1d 100644 --- a/src/superio/smsc/Makefile.inc +++ b/src/superio/smsc/Makefile.inc @@ -27,6 +27,7 @@ subdirs-y += lpc47m15x subdirs-y += lpc47n217 subdirs-y += lpc47n227 subdirs-y += sio10n268 +subdirs-y += sio1007 subdirs-y += kbc1100 subdirs-y += smscsuperio subdirs-y += sio1036 diff --git a/src/superio/smsc/sio1007/acpi/superio.asl b/src/superio/smsc/sio1007/acpi/superio.asl new file mode 100644 index 0000000..5bb45fa --- /dev/null +++ b/src/superio/smsc/sio1007/acpi/superio.asl @@ -0,0 +1,299 @@ +/* + * 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) { + Name (_ADR, 0x2E) + OperationRegion (SIOA, SystemIO, 0x2E, 0x02) + Field (SIOA, ByteAcc, NoLock, Preserve) + { + SI2E, 8, + SI2F, 8, + } + + IndexField (SI2E, SI2F, ByteAcc, NoLock, Preserve) + { + Offset (0x02), + SCNT, 8, /* Configure Control */ + 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 (SFDC, 0) /* Floppy Disk Controller */ + Name (SSP1, 1) /* Serial Port 1 */ + Name (SENV, 4) /* Environment Controller */ + Name (SKBC, 5) /* Keyboard */ + Name (SKBM, 6) /* Mouse */ + Name (SGPI, 7) /* GPIO */ + Name (SINF, 10) /* Consumer IR */ + + Method (ENTR, 0, NotSerialized) + { + Store (0x87, SI2E) + Store (0x01, SI2E) + Store (0x55, SI2E) + Store (0x55, SI2E) + } + + Method (EXIT, 0, NotSerialized) + { + Store (0x02, SCNT) + } + + /* 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_ENVC + Device (ENVC) { + Name (_HID, EISAID ("PNP0C02")) + Name (_UID, 10) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (SENV)) + } + + Name (_CRS, ResourceTemplate () + { + IO (Decode16, SIO_ENVC_IO0, SIO_ENVC_IO0, 0x08, 0x08) + IO (Decode16, SIO_ENVC_IO1, SIO_ENVC_IO1, 0x04, 0x04) + }) + + Name (_PRS, ResourceTemplate () + { + IO (Decode16, SIO_ENVC_IO0, SIO_ENVC_IO0, 0x08, 0x08) + IO (Decode16, SIO_ENVC_IO1, SIO_ENVC_IO1, 0x04, 0x04) + }) + + OperationRegion (ECAP, SystemIO, SIO_ENVC_IO0, 0x07) + Field (ECAP, ByteAcc, NoLock, Preserve) + { + Offset (0x05), + ECAI, 8, // Address Index Register + ECAD, 8, // Address Data Register + } + + // Registers for thermal zone implementations + IndexField (ECAI, ECAD, ByteAcc, NoLock, Preserve) + { + Offset (0x29), + TIN1, 8, // TMPIN1 Reading + TIN2, 8, // TMPIN2 Reading + TIN3, 8, // TMPIN3 Reading + Offset (0x6b), + F2PS, 8, // FAN2 PWM Setting + Offset (0x73), + F3PS, 8, // FAN3 PWM Setting + } + } +#endif + +#ifdef SIO_ENABLE_GPIO + Device (GPIO) { + Name (_HID, EISAID ("PNP0C02")) + Name (_UID, 11) + + Method (_STA, 0, NotSerialized) { + Return (0x0F) + } + + Name (_CRS, ResourceTemplate () + { + IO (Decode16, SIO_GPIO_IO0, SIO_GPIO_IO0, 0x01, 0x01) + IO (Decode16, SIO_GPIO_IO1, SIO_GPIO_IO1, 0x08, 0x08) + }) + + Name (_PRS, ResourceTemplate () + { + IO (Decode16, SIO_GPIO_IO0, SIO_GPIO_IO0, 0x01, 0x01) + IO (Decode16, SIO_GPIO_IO1, SIO_GPIO_IO1, 0x08, 0x08) + }) + } +#endif + +#ifdef SIO_ENABLE_COM1 + Device (COM1) { + Name (_HID, EISAID ("PNP0501")) + Name (_UID, 1) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (SSP1)) + } + + Name (_CRS, ResourceTemplate () + { + IO (Decode16, 0x03F8, 0x03F8, 0x08, 0x08) + IRQNoFlags () {4} + }) + + Name (_PRS, ResourceTemplate () + { + IO (Decode16, 0x03F8, 0x03F8, 0x08, 0x08) + IRQNoFlags () {4} + }) + } +#endif + +#ifdef SIO_ENABLE_PS2K + Device (PS2K) // Keyboard + { + Name (_HID, EISAID("PNP0303")) + Name (_CID, EISAID("PNP030B")) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (SKBC)) + } + + 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_PS2M + Device (PS2M) // Mouse + { + Name (_HID, EISAID("PNP0F13")) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (SKBM)) + } + + Name (_CRS, ResourceTemplate() + { + IRQNoFlags () {12} + }) + + Name (_PRS, ResourceTemplate() + { + IRQNoFlags () {12} + }) + } +#endif + +#ifdef SIO_ENABLE_FDC0 + Device (FDC0) // Floppy controller + { + Name (_HID, EISAID ("PNP0700")) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (SFDC)) + } + + Name (_CRS, ResourceTemplate() + { + IO (Decode16, 0x03F0, 0x03F0, 0x01, 0x06) + IO (Decode16, 0x03F7, 0x03F7, 0x01, 0x01) + IRQNoFlags () {6} + DMA (Compatibility, NotBusMaster, Transfer8) {2} + }) + + Name (_PRS, ResourceTemplate() + { + IO (Decode16, 0x03F0, 0x03F0, 0x01, 0x06) + IO (Decode16, 0x03F7, 0x03F7, 0x01, 0x01) + IRQNoFlags () {6} + DMA (Compatibility, NotBusMaster, Transfer8) {2} + }) + } +#endif + +#ifdef SIO_ENABLE_INFR + Device (INFR) // Infrared controller + { + Name (_HID, EISAID ("PNP0510")) + + Method (_STA, 0, NotSerialized) { + Return (ISEN (SINF)) + } + + Name (_CRS, ResourceTemplate() + { + IO (Decode16, SIO_INFR_IO0, SIO_INFR_IO0, 0x08, 0x08) + IRQNoFlags () { SIO_INFR_IRQ } + }) + + Name (_PRS, ResourceTemplate() + { + IO (Decode16, SIO_INFR_IO0, SIO_INFR_IO0, 0x08, 0x08) + IRQNoFlags () { SIO_INFR_IRQ } + }) + } +#endif +} diff --git a/src/superio/smsc/sio1007/early_serial.c b/src/superio/smsc/sio1007/early_serial.c new file mode 100644 index 0000000..859e351 --- /dev/null +++ b/src/superio/smsc/sio1007/early_serial.c @@ -0,0 +1,64 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 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 + */ + +/* + * The chip could be bootstrap mapped to one of four LPC addresses: + * 0x2e, 0x4e, 0x162e, and 0x164e. + */ +const u16 sio1007_lpc_ports[] = {0x2e, 0x4e, 0x162e, 0x164e}; + +static void sio1007_setreg(u16 lpc_port, u8 reg, u8 value, u8 mask) +{ + u8 reg_value; + + outb(reg, lpc_port); + reg_value = inb(lpc_port + 1); + reg_value &= ~mask; + reg_value |= (value & mask); + outb(reg_value, lpc_port + 1); +} + +static int sio1007_enable_uart_at(u16 port) +{ + /* Enable config mode. */ + outb(0x55, port); + if (inb(port) != 0x55) + return 0; /* There is no LPC device at this address. */ + + /* Registers 12 and 13 hold config address, look for a match. */ + outb(0x12, port); + if (inb(port + 1) != (port & 0xff)) + return 0; + + outb(0x13, port); + if (inb(port + 1) != (port >> 8)) + return 0; + + /* This must be the sio1007, enable the UART. */ + /* turn on power */ + sio1007_setreg(port, 0x2, 1 << 3, 1 << 3); + /* enable high speed */ + sio1007_setreg(port, 0xc, 1 << 6, 1 << 6); + /* set the base address */ + sio1007_setreg(port, 0x24, CONFIG_TTYS0_BASE >> 2, 0xff); + + /* Disable config mode. */ + outb(0xaa, port); + return 1; +}