Kerry Sheh (shekairui@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/563
-gerrit
commit d8b2a084872d25a935c2dd57e9c567a17eda30c2 Author: Kerry Sheh shekairui@gmail.com Date: Tue Jan 31 20:42:22 2012 +0800
SIO: Add smsc sio1036 superio
Change-Id: Iaf5519f304f9f16f7ff6e4b02060bb75a3605ce9 Signed-off-by: Kerry Sheh kerry.she@amd.com Signed-off-by: Kerry Sheh shekairui@gmail.com --- src/superio/smsc/Kconfig | 2 + src/superio/smsc/Makefile.inc | 1 + src/superio/smsc/sio1036/Makefile.inc | 21 ++++ src/superio/smsc/sio1036/chip.h | 34 +++++++ src/superio/smsc/sio1036/sio1036.h | 25 +++++ src/superio/smsc/sio1036/sio1036_early_init.c | 101 ++++++++++++++++++++ src/superio/smsc/sio1036/superio.c | 122 +++++++++++++++++++++++++ 7 files changed, 306 insertions(+), 0 deletions(-)
diff --git a/src/superio/smsc/Kconfig b/src/superio/smsc/Kconfig index ddd5b96..d4f07ec 100644 --- a/src/superio/smsc/Kconfig +++ b/src/superio/smsc/Kconfig @@ -40,5 +40,7 @@ config SUPERIO_SMSC_KBC1100 bool config SUPERIO_SMSC_SMSCSUPERIO bool +config SUPERIO_SMSC_SIO1036 + bool config SUPERIO_SMSC_SCH4037 bool diff --git a/src/superio/smsc/Makefile.inc b/src/superio/smsc/Makefile.inc index bfdc68e..d07afea 100644 --- a/src/superio/smsc/Makefile.inc +++ b/src/superio/smsc/Makefile.inc @@ -29,4 +29,5 @@ subdirs-y += lpc47n227 subdirs-y += sio10n268 subdirs-y += kbc1100 subdirs-y += smscsuperio +subdirs-y += sio1036 subdirs-y += sch4037 diff --git a/src/superio/smsc/sio1036/Makefile.inc b/src/superio/smsc/sio1036/Makefile.inc new file mode 100644 index 0000000..4e48899 --- /dev/null +++ b/src/superio/smsc/sio1036/Makefile.inc @@ -0,0 +1,21 @@ +# +# 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 +# + +ramstage-$(CONFIG_SUPERIO_SMSC_SIO1036) += superio.c + diff --git a/src/superio/smsc/sio1036/chip.h b/src/superio/smsc/sio1036/chip.h new file mode 100644 index 0000000..abed430 --- /dev/null +++ b/src/superio/smsc/sio1036/chip.h @@ -0,0 +1,34 @@ +/* + * 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 + */ + +#ifndef SUPERIO_SMSC_SIO1036_CHIP_H +#define SUPERIO_SMSC_SIO1036_CHIP_H + +#include <pc80/keyboard.h> +#include <uart8250.h> + +struct chip_operations; +extern struct chip_operations superio_smsc_kbc1100_ops; + +struct superio_smsc_sio1036_config { + struct uart8250 com1; +}; + +#endif //SUPERIO_SMSC_SIO1036_CHIP_H + diff --git a/src/superio/smsc/sio1036/sio1036.h b/src/superio/smsc/sio1036/sio1036.h new file mode 100644 index 0000000..cdd5a8b --- /dev/null +++ b/src/superio/smsc/sio1036/sio1036.h @@ -0,0 +1,25 @@ +/* + * 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 + */ + +#define SIO1036_SP1 0 /* Com1 */ + +#define UART_POWER_DOWN (1 << 7) +#define LPT_POWER_DOWN (1 << 2) +#define IR_OUPUT_MUX (1 << 6) + diff --git a/src/superio/smsc/sio1036/sio1036_early_init.c b/src/superio/smsc/sio1036/sio1036_early_init.c new file mode 100644 index 0000000..980e8c5 --- /dev/null +++ b/src/superio/smsc/sio1036/sio1036_early_init.c @@ -0,0 +1,101 @@ +/* + * 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 + */ + +/* Pre-RAM driver for the SMSC KBC1100 Super I/O chip */ + +#include <arch/romcc_io.h> +#include "sio1036.h" + +#ifndef CONFIG_TTYS0_BASE +#define CONFIG_TTYS0_BASE 0x3F8 +#endif +static inline void sio1036_enter_conf_state(device_t dev) +{ + unsigned port = dev>>8; + outb(0x55, port); +} + +static inline void sio1036_exit_conf_state(device_t dev) +{ + unsigned port = dev>>8; + outb(0xaa, port); +} + +static u8 detect_sio1036_chip(unsigned port) +{ + device_t dev; + dev = PNP_DEV (port, SIO1036_SP1); + unsigned data; + sio1036_enter_conf_state (dev); + data = pnp_read_config (dev, 0x0D); + sio1036_exit_conf_state(dev); + /* detect smsc sio1036 chip */ + if (data == 0x82) { + /* Found SMSC SIO1036 chip */ + return 0; + } + else { + return -1; + }; +} + +static inline void sio1036_early_init(unsigned port) +{ + device_t dev; + dev = PNP_DEV (port, SIO1036_SP1); + + if (detect_sio1036_chip(port) != 0) { + /* Not found SMSC SIO1036 */ + return; + } + sio1036_enter_conf_state (dev); + + /* Enable SMSC UART 0 */ + /* Valid configuration cycle */ + pnp_write_config (dev, 0x00, 0x28); + + /* PP power/mode/cr lock */ + pnp_write_config (dev, 0x01, 0x98 | LPT_POWER_DOWN); + pnp_write_config (dev, 0x02, 0x08 | UART_POWER_DOWN); + + /*Auto power management*/ + pnp_write_config (dev, 0x07, 0x00 ); + + /*ECP FIFO threhod */ + pnp_write_config (dev, 0x0A, 0x00 | IR_OUPUT_MUX); + + /*GPIO direction register 2 */ + pnp_write_config (dev, 0x033, 0x00); + + /*UART Mode */ + pnp_write_config (dev, 0x0C, 0x02); + + /* GPIO polarity regisgter 2 */ + pnp_write_config (dev, 0x034, 0x00); + + /* Enable SMSC UART 0 */ + /*Set base io address */ + pnp_write_config (dev, 0x25, (u8)((u16)CONFIG_TTYS0_BASE >> 2)); + + /* Set UART IRQ onto 0x04 */ + pnp_write_config (dev, 0x28, 0x04); + + sio1036_exit_conf_state(dev); +} + diff --git a/src/superio/smsc/sio1036/superio.c b/src/superio/smsc/sio1036/superio.c new file mode 100644 index 0000000..2522d92 --- /dev/null +++ b/src/superio/smsc/sio1036/superio.c @@ -0,0 +1,122 @@ +/* + * 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 SIO1036 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 "sio1036.h" + +/* Forward declarations */ +static void enable_dev(device_t dev); +static void sio1036_pnp_set_resources(device_t dev); +static void sio1036_pnp_enable_resources(device_t dev); +static void sio1036_pnp_enable(device_t dev); +static void sio1036_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_sio1036_ops = { + CHIP_NAME("SMSC SIO1036 Super I/O") + .enable_dev = enable_dev +}; + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = sio1036_pnp_set_resources, + .enable_resources = sio1036_pnp_enable_resources, + .enable = sio1036_pnp_enable, + .init = sio1036_init, +}; + +static struct pnp_info pnp_dev_info[] = { + {}, +}; + +static void enable_dev(device_t dev) +{ + pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); +} + +static void sio1036_pnp_set_resources(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_set_resources(dev); + pnp_exit_conf_state(dev); +} + +static void sio1036_pnp_enable_resources(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_enable_resources(dev); + pnp_exit_conf_state(dev); +} + +static void sio1036_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 sio1036_init(device_t dev) +{ + struct superio_smsc_sio1036_config *conf = dev->chip_info; + struct resource *res0, *res1; + + + + if (!dev->enabled) { + return; + } + + switch(dev->path.pnp.device) { + + default: + 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); +} +