Author: mjones Date: Mon Feb 14 20:00:13 2011 New Revision: 6351 URL: https://tracker.coreboot.org/trac/coreboot/changeset/6351
Log: This code provides support for the superio chip on the AMD Inagua platform (not commercially available). It is independent of the AMD>code.
Signed-off-by: Frank Vibrans frank.vibrans@amd.com Acked-by: Stefan Reinauer stefan.reinauer@coreboot.org Acked-by: Marc Jones marcj303@gmail.com
Added: trunk/src/superio/smsc/kbc1100/ trunk/src/superio/smsc/kbc1100/Makefile.inc trunk/src/superio/smsc/kbc1100/chip.h trunk/src/superio/smsc/kbc1100/kbc1100.h trunk/src/superio/smsc/kbc1100/kbc1100_early_init.c trunk/src/superio/smsc/kbc1100/superio.c Modified: trunk/src/superio/smsc/Kconfig trunk/src/superio/smsc/Makefile.inc
Modified: trunk/src/superio/smsc/Kconfig ============================================================================== --- trunk/src/superio/smsc/Kconfig Mon Feb 14 19:56:10 2011 (r6350) +++ trunk/src/superio/smsc/Kconfig Mon Feb 14 20:00:13 2011 (r6351) @@ -35,5 +35,7 @@ bool config SUPERIO_SMSC_SIO10N268 bool +config SUPERIO_SMSC_KBC1100 + bool config SUPERIO_SMSC_SMSCSUPERIO bool
Modified: trunk/src/superio/smsc/Makefile.inc ============================================================================== --- trunk/src/superio/smsc/Makefile.inc Mon Feb 14 19:56:10 2011 (r6350) +++ trunk/src/superio/smsc/Makefile.inc Mon Feb 14 20:00:13 2011 (r6351) @@ -26,4 +26,5 @@ subdirs-y += lpc47n217 subdirs-y += lpc47n227 subdirs-y += sio10n268 +subdirs-y += kbc1100 subdirs-y += smscsuperio
Added: trunk/src/superio/smsc/kbc1100/Makefile.inc ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ trunk/src/superio/smsc/kbc1100/Makefile.inc Mon Feb 14 20:00:13 2011 (r6351) @@ -0,0 +1,20 @@ +# +# 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. +# +# 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_KBC1100) += superio.c
Added: trunk/src/superio/smsc/kbc1100/chip.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ trunk/src/superio/smsc/kbc1100/chip.h Mon Feb 14 20:00:13 2011 (r6351) @@ -0,0 +1,34 @@ +/* + * 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. + * + * 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_KBC1100_CHIP_H +#define SUPERIO_SMSC_KBC1100_CHIP_H + +#include <pc80/keyboard.h> +#include <uart8250.h> + +struct chip_operations; +extern struct chip_operations superio_smsc_kbc1100_ops; + +struct superio_smsc_kbc1100_config { + struct uart8250 com1, com2; + struct pc_keyboard keyboard; +}; + +#endif \ No newline at end of file
Added: trunk/src/superio/smsc/kbc1100/kbc1100.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ trunk/src/superio/smsc/kbc1100/kbc1100.h Mon Feb 14 20:00:13 2011 (r6351) @@ -0,0 +1,32 @@ +/* + * 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. + * + * 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 KBC1100_PM1 1 /* PM1 */ +#define SMSCSUPERIO_SP1 4 /* Com1 */ +#define SMSCSUPERIO_SP2 5 /* Com2 */ +#define KBC1100_KBC 7 /* Keyboard */ +#define KBC1100_EC0 8 /* EC Channel 0 */ +#define KBC1100_MAILBOX 9 /* Mail Box */ +#define KBC1100_GPIO 0x0A /* GPIO */ +#define KBC1100_SPI 0x0B /* Share flash interface */ + +#define KBC1100_EC1 0x0D /* EC Channel 1 */ +#define KBC1100_EC2 0x0E /* EC Channel 2 */ + +
Added: trunk/src/superio/smsc/kbc1100/kbc1100_early_init.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ trunk/src/superio/smsc/kbc1100/kbc1100_early_init.c Mon Feb 14 20:00:13 2011 (r6351) @@ -0,0 +1,75 @@ +/* + * 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. + * + * 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 + */ + +/* Pre-RAM driver for the SMSC KBC1100 Super I/O chip */ + +#include <arch/romcc_io.h> +#include "kbc1100.h" + +static inline void pnp_enter_conf_state(device_t dev) +{ + unsigned port = dev>>8; + outb(0x55, port); +} + +static void pnp_exit_conf_state(device_t dev) +{ + unsigned port = dev>>8; + outb(0xaa, port); +} + +static inline void kbc1100_early_init(unsigned port) +{ + device_t dev; + dev = PNP_DEV (port, KBC1100_KBC); + + pnp_enter_conf_state(dev); + + /* Serial IRQ enabled */ + outb(0x25, port); + outb(0x04, port + 1); + + /* 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_enable(dev, 1); + + /* Enable keyboard */ + dev = PNP_DEV (port, KBC1100_KBC); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + pnp_set_iobase(dev, PNP_IDX_IO0, 0x60); + pnp_set_iobase(dev, PNP_IDX_IO1, 0x64); + pnp_set_irq(dev, 0x70, 1); /* IRQ 1 */ + pnp_set_irq(dev, 0x72, 12); /* IRQ 12 */ + pnp_set_enable(dev, 1); + + /* Enable EC Channel 0 */ + dev = PNP_DEV (port, KBC1100_EC0); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 1); + + pnp_exit_conf_state(dev); + + /* disable the 1s timer */ + outb(0xE7, 0x64); +} +
Added: trunk/src/superio/smsc/kbc1100/superio.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ trunk/src/superio/smsc/kbc1100/superio.c Mon Feb 14 20:00:13 2011 (r6351) @@ -0,0 +1,124 @@ +/* + * 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. + * + * 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 KBC1100 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 <uart8250.h> +#include <pc80/keyboard.h> +#include <stdlib.h> +#include "chip.h" +#include "kbc1100.h" + +/* Forward declarations */ +static void enable_dev(device_t dev); +static void kbc1100_pnp_set_resources(device_t dev); +static void kbc1100_pnp_enable_resources(device_t dev); +static void kbc1100_pnp_enable(device_t dev); +static void kbc1100_init(device_t dev); + +static void pnp_enter_conf_state(device_t dev); +static void pnp_exit_conf_state(device_t dev); + +struct chip_operations superio_smsc_kbc1100_ops = { + CHIP_NAME("SMSC KBC1100 Super I/O") + .enable_dev = enable_dev +}; + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = kbc1100_pnp_set_resources, + .enable_resources = kbc1100_pnp_enable_resources, + .enable = kbc1100_pnp_enable, + .init = kbc1100_init, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, KBC1100_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, }, +}; + +static void enable_dev(device_t dev) +{ + pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); +} + +static void kbc1100_pnp_set_resources(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_set_resources(dev); + pnp_exit_conf_state(dev); +} + +static void kbc1100_pnp_enable_resources(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_enable_resources(dev); + pnp_exit_conf_state(dev); +} + +static void kbc1100_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 kbc1100_init(device_t dev) +{ + struct superio_smsc_kbc1100_config *conf = dev->chip_info; + struct resource *res0, *res1; + + + + if (!dev->enabled) { + return; + } + + switch(dev->path.pnp.device) { + + case KBC1100_KBC: + res0 = find_resource(dev, PNP_IDX_IO0); + res1 = find_resource(dev, PNP_IDX_IO1); + pc_keyboard_init(&conf->keyboard); + break; + } +} + +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); +}