QingPei Wang (wangqingpei@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/204
-gerrit
commit 9b79a7d880b17acc91010f94dc6cea0a230f1e9a Author: QingPei Wang wangqingpei@gmail.com Date: Tue Sep 13 13:35:43 2011 +0800
Add IT8721F support
only the serial port is tested, keyboard/mouse are gonna to be tested later, it may also need some more patches to make it work completely.
Change-Id: Ie9464d01c5d5760ebc800b3cd15a4ab2bad2e09f Signed-off-by: QingPei Wang wangqingpei@gmail.com --- src/superio/ite/Kconfig | 2 + src/superio/ite/Makefile.inc | 1 + src/superio/ite/it8721f/Makefile.inc | 22 ++++++++ src/superio/ite/it8721f/chip.h | 34 ++++++++++++ src/superio/ite/it8721f/early_serial.c | 93 ++++++++++++++++++++++++++++++++ src/superio/ite/it8721f/it8721f.h | 41 ++++++++++++++ src/superio/ite/it8721f/superio.c | 78 ++++++++++++++++++++++++++ 7 files changed, 271 insertions(+), 0 deletions(-)
diff --git a/src/superio/ite/Kconfig b/src/superio/ite/Kconfig index cb0c571..d045bf4 100644 --- a/src/superio/ite/Kconfig +++ b/src/superio/ite/Kconfig @@ -36,3 +36,5 @@ config SUPERIO_ITE_IT8716F_OVERRIDE_FANCTL default n config SUPERIO_ITE_IT8718F bool +config SUPERIO_ITE_IT8721F + bool diff --git a/src/superio/ite/Makefile.inc b/src/superio/ite/Makefile.inc index 21f7707..1e734fe 100644 --- a/src/superio/ite/Makefile.inc +++ b/src/superio/ite/Makefile.inc @@ -24,3 +24,4 @@ subdirs-y += it8705f subdirs-y += it8712f subdirs-y += it8716f subdirs-y += it8718f +subdirs-y += it8721f diff --git a/src/superio/ite/it8721f/Makefile.inc b/src/superio/ite/it8721f/Makefile.inc new file mode 100644 index 0000000..3908237 --- /dev/null +++ b/src/superio/ite/it8721f/Makefile.inc @@ -0,0 +1,22 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2011 QingPei Wang wangqingpei@gmail.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; 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. +## +## 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_ITE_IT8721F) += superio.c + diff --git a/src/superio/ite/it8721f/chip.h b/src/superio/ite/it8721f/chip.h new file mode 100644 index 0000000..3717d19 --- /dev/null +++ b/src/superio/ite/it8721f/chip.h @@ -0,0 +1,34 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 QingPei Wang wangqingpei@gmail.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; 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. + * + * 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_ITE_IT8721F_CHIP_H +#define SUPERIO_ITE_IT8721F_CHIP_H + +#include <device/device.h> +#include <pc80/keyboard.h> +#include <uart8250.h> + +extern struct chip_operations superio_ite_it8721f_ops; + +struct superio_ite_it8721f_config { + struct pc_keyboard keyboard; +}; + +#endif diff --git a/src/superio/ite/it8721f/early_serial.c b/src/superio/ite/it8721f/early_serial.c new file mode 100644 index 0000000..cf17d0e --- /dev/null +++ b/src/superio/ite/it8721f/early_serial.c @@ -0,0 +1,93 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2006 Uwe Hermann uwe@hermann-uwe.de + * Copyright (C) 2011 QingPei Wang wangqingpei@gmail.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; 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. + * + * 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/romcc_io.h> +#include "it8721f.h" + +/* The base address is 0x2e or 0x4e, depending on config bytes. */ +#define SIO_BASE 0x2e +#define SIO_INDEX SIO_BASE +#define SIO_DATA (SIO_BASE + 1) + +/* Global configuration registers. */ +#define IT8721F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */ +#define IT8721F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */ +#define IT8721F_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */ +#define IT8721F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */ + +static void it8721f_sio_write(u8 ldn, u8 index, u8 value) +{ + outb(IT8721F_CONFIG_REG_LDN, SIO_BASE); + outb(ldn, SIO_DATA); + outb(index, SIO_BASE); + outb(value, SIO_DATA); +} + +static void it8721f_enter_conf(void) +{ + u16 port = 0x2e; /* TODO: Don't hardcode! */ + + outb(0x87, port); + outb(0x01, port); + outb(0x55, port); + outb((port == 0x4e) ? 0xaa : 0x55, port); +} + +static void it8721f_exit_conf(void) +{ + it8721f_sio_write(0x00, IT8721F_CONFIG_REG_CC, 0x02); +} + +/* Select 24MHz CLKIN (48MHz default). */ +void it8721f_24mhz_clkin(void) +{ + it8721f_enter_conf(); + it8721f_sio_write(0x00, IT8721F_CONFIG_REG_CLOCKSEL, 0x1); + it8721f_exit_conf(); +} + + +/* Enable the serial port(s). */ +void it8721f_enable_serial(device_t dev, u16 iobase) +{ + /* (1) Enter the configuration state (MB PnP mode). */ + it8721f_enter_conf(); + + /* (2) Modify the data of configuration registers. */ + + /* + * Select the chip to configure (if there's more than one). + * Set bit 7 to select JP3=1, clear bit 7 to select JP3=0. + * If this register is not written, both chips are configured. + */ + + /* it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CONFIGSEL, 0x00); */ + + /* Enable serial port(s). */ + it8721f_sio_write(IT8721F_SP1, 0x30, 0x1); /* Serial port 1 */ + it8721f_sio_write(IT8721F_SP2, 0x30, 0x1); /* Serial port 2 */ + + /* Clear software suspend mode (clear bit 0). TODO: Needed? */ + /* it8718f_sio_write(0x00, IT8718F_CONFIG_REG_SWSUSP, 0x00); */ + + /* (3) Exit the configuration state (MB PnP mode). */ + it8721f_exit_conf(); +} diff --git a/src/superio/ite/it8721f/it8721f.h b/src/superio/ite/it8721f/it8721f.h new file mode 100644 index 0000000..2242a2e --- /dev/null +++ b/src/superio/ite/it8721f/it8721f.h @@ -0,0 +1,41 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2006 Uwe Hermann uwe@hermann-uwe.de + * Copyright (C) 2011 QingPei Wang wangqingpei@gmail.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; 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. + * + * 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_ITE_IT8721F_IT8721F_H +#define SUPERIO_ITE_IT8721F_IT8721F_H + +#define IT8721F_FDC 0x00 /* Floppy */ +#define IT8721F_SP1 0x01 /* Com1 */ +#define IT8721F_SP2 0x02 /* Com2 */ +#define IT8721F_PP 0x03 /* Parallel port */ +#define IT8721F_EC 0x04 /* Environment controller */ +#define IT8721F_KBCK 0x05 /* PS/2 keyboard */ +#define IT8721F_KBCM 0x06 /* PS/2 mouse */ +#define IT8721F_GPIO 0x07 /* GPIO */ +#define IT8721F_IR 0x0a /* Consumer IR */ + +#if defined(__PRE_RAM__) && !defined(__ROMCC__) +void it8721f_24mhz_clkin(void); +void it8721f_disable_reboot(void); +void it8721f_enable_serial(device_t dev, u16 iobase); +#endif + +#endif diff --git a/src/superio/ite/it8721f/superio.c b/src/superio/ite/it8721f/superio.c new file mode 100644 index 0000000..846afef --- /dev/null +++ b/src/superio/ite/it8721f/superio.c @@ -0,0 +1,78 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2006 Uwe Hermann uwe@hermann-uwe.de + * Copyright (C) 2011 QingPei Wang wangqingpei@gmail.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; 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. + * + * 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 <device/device.h> +#include <device/pnp.h> +#include <uart8250.h> +#include <pc80/keyboard.h> +#include <stdlib.h> +#include "chip.h" +#include "it8721f.h" + +static void init(device_t dev) +{ + struct superio_ite_it8721f_config *conf = dev->chip_info; + + if (!dev->enabled) + return; + + switch (dev->path.pnp.device) { + case IT8721F_FDC: /* TODO. */ + break; + case IT8721F_PP: /* TODO. */ + break; + case IT8721F_EC: /* TODO. */ + break; + case IT8721F_KBCK: + pc_keyboard_init(&conf->keyboard); + break; + case IT8721F_KBCM: /* TODO. */ + break; + case IT8721F_IR: /* TODO. */ + break; + } +} + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = pnp_set_resources, + .enable_resources = pnp_enable_resources, + .enable = pnp_enable, + .init = init, +}; + +/* TODO: FDC, PP, EC, KBCM, IR. */ +static struct pnp_info pnp_dev_info[] = { + { &ops, IT8721F_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, + { &ops, IT8721F_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, {0x07f8, 0}, }, + { &ops, IT8721F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07f8, 0}, {0x07f8, 4}, }, +}; + +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_ite_it8721f_ops = { + CHIP_NAME("ITE IT8721F Super I/O") + .enable_dev = enable_dev, +};