Edward O'Callaghan (eocallaghan@alterapraxis.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7309
-gerrit
commit 351c05c8a5fba536f2900362ed7964ec8ddc31b9 Author: Edward O'Callaghan eocallaghan@alterapraxis.com Date: Sat Nov 1 10:19:58 2014 +1100
superio/fintek/f81216h: Implement device support
Change-Id: I20a34b569f109dd12af29e9e0cee8f7f6b8ebb80 Signed-off-by: Edward O'Callaghan eocallaghan@alterapraxis.com --- src/superio/fintek/Kconfig | 4 + src/superio/fintek/Makefile.inc | 1 + src/superio/fintek/f81216h/Makefile.inc | 22 ++++++ src/superio/fintek/f81216h/chip.h | 40 ++++++++++ src/superio/fintek/f81216h/early_serial.c | 68 +++++++++++++++++ src/superio/fintek/f81216h/f81216h.h | 46 ++++++++++++ src/superio/fintek/f81216h/superio.c | 119 ++++++++++++++++++++++++++++++ 7 files changed, 300 insertions(+)
diff --git a/src/superio/fintek/Kconfig b/src/superio/fintek/Kconfig index f577898..e9cbe74 100644 --- a/src/superio/fintek/Kconfig +++ b/src/superio/fintek/Kconfig @@ -47,6 +47,10 @@ config SUPERIO_FINTEK_F71889 bool select SUPERIO_FINTEK_COMMON_ROMSTAGE
+config SUPERIO_FINTEK_F81216H + bool +# N.B. 'special romstage' + config SUPERIO_FINTEK_F81865F bool select SUPERIO_FINTEK_COMMON_ROMSTAGE diff --git a/src/superio/fintek/Makefile.inc b/src/superio/fintek/Makefile.inc index 1b11336..5756393 100644 --- a/src/superio/fintek/Makefile.inc +++ b/src/superio/fintek/Makefile.inc @@ -26,4 +26,5 @@ subdirs-y += f71863fg subdirs-y += f71869ad subdirs-y += f71872 subdirs-y += f71889 +subdirs-y += f81216h subdirs-y += f81865f diff --git a/src/superio/fintek/f81216h/Makefile.inc b/src/superio/fintek/f81216h/Makefile.inc new file mode 100644 index 0000000..f473ef2 --- /dev/null +++ b/src/superio/fintek/f81216h/Makefile.inc @@ -0,0 +1,22 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2014 Edward O'Callaghan eocallaghan@alterapraxis.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 +## + +romstage-$(CONFIG_SUPERIO_FINTEK_F81216H) += early_serial.c +ramstage-$(CONFIG_SUPERIO_FINTEK_F81216H) += superio.c diff --git a/src/superio/fintek/f81216h/chip.h b/src/superio/fintek/f81216h/chip.h new file mode 100644 index 0000000..9b54ce1 --- /dev/null +++ b/src/superio/fintek/f81216h/chip.h @@ -0,0 +1,40 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Edward O'Callaghan eocallaghan@alterapraxis.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_FINTEK_F81216H_CHIP_H +#define SUPERIO_FINTEK_F81216H_CHIP_H + +#include <stdint.h> + +/* Member variables are defined in devicetree.cb. */ +struct superio_fintek_f81216h_config { + /** + * KEY1 KEY0 Enter key + * 0 0 0x77 (default) + * 0 1 0xA0 + * 1 0 0x87 + * 1 1 0x67 + * + * See page 17 of data sheet. + */ + uint8_t conf_key_mode; +}; + +#endif /* SUPERIO_FINTEK_F81216H_CHIP_H */ diff --git a/src/superio/fintek/f81216h/early_serial.c b/src/superio/fintek/f81216h/early_serial.c new file mode 100644 index 0000000..6b667df --- /dev/null +++ b/src/superio/fintek/f81216h/early_serial.c @@ -0,0 +1,68 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Edward O'Callaghan eocallaghan@alterapraxis.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/io.h> +#include <device/pnp.h> +#include <stdint.h> +#include "fintek.h" + +static u8 f81216h_entry_key; +#define FINTEK_EXIT_KEY 0xAA + +static void pnp_enter_conf_state(pnp_devfn_t dev) +{ + u16 port = dev >> 8; + outb(f81216h_entry_key, port); + outb(f81216h_entry_key, port); +} + +static void pnp_exit_conf_state(pnp_devfn_t dev) +{ + u16 port = dev >> 8; + outb(FINTEK_EXIT_KEY, port); +} + +/* Bring up early serial debugging output before the RAM is initialized. */ +void f81216h_enable_serial(pnp_devfn_t dev, u16 iobase, enum mode_key k) +{ + switch(k) { + MODE_6767: + f81216h_entry_key = 0x67; + break; + MODE_7777: + f81216h_entry_key = 0x77; + break; + MODE_8787: + f81216h_entry_key = 0x87; + break; + MODE_A0A0: + f81216h_entry_key = 0xa0; + break; + default: + f81216h_entry_key = 0x77; /* (safe to be hw default) */ + } + + pnp_enter_conf_state(dev); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + pnp_set_iobase(dev, PNP_IDX_IO0, iobase); + pnp_set_enable(dev, 1); + pnp_exit_conf_state(dev); +} diff --git a/src/superio/fintek/f81216h/f81216h.h b/src/superio/fintek/f81216h/f81216h.h new file mode 100644 index 0000000..37e7753 --- /dev/null +++ b/src/superio/fintek/f81216h/f81216h.h @@ -0,0 +1,46 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Edward O'Callaghan eocallaghan@alterapraxis.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_FINTEK_F81216H_H +#define SUPERIO_FINTEK_F81216H_H + +/* Logical Device Numbers (LDN). */ +#define F81216H_SP1 0x00 /* UART1 (+CIR mode) */ +#define F81216H_SP2 0x01 /* UART2 */ +#define F81216H_SP3 0x02 /* UART3 */ +#define F81216H_SP4 0x03 /* UART4 */ +#define F81216H_WDT 0x08 /* WDT */ + +/** + * The PNP config entry key is parameterised + * by two bits on this Super I/O with 0x77 as + * the default key. + * See page 17 of data sheet for details. + */ +enum { + MODE_6767, + MODE_7777, + MODE_8787, + MODE_A0A0, +} mode_key; + +void f81216h_enable_serial(pnp_devfn_t dev, u16 iobase, enum mode_key k); + +#endif /* SUPERIO_FINTEK_F81216H_H */ diff --git a/src/superio/fintek/f81216h/superio.c b/src/superio/fintek/f81216h/superio.c new file mode 100644 index 0000000..eed165a --- /dev/null +++ b/src/superio/fintek/f81216h/superio.c @@ -0,0 +1,119 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Edward O'Callaghan eocallaghan@alterapraxis.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/io.h> +#include <device/device.h> +#include <device/pnp.h> +#include <superio/conf_mode.h> +#include <console/console.h> +#include <stdlib.h> + +#include "chip.h" +#include "f81216h.h" + + +static void pnp_enter_ext_func_mode(struct device *dev) +{ + const struct superio_fintek_f81216h_config *conf = dev->chip_info; + + u8 key; + + /** + * KEY1 KEY0 Enter key + * 0 0 0x77 (default) + * 0 1 0xA0 + * 1 0 0x87 + * 1 1 0x67 + * + * See page 17 of data sheet. + */ + switch(conf->conf_key_mode) { + case 0: + key = 0x77; /* (default) */ + break; + case 1: + key = 0xa0; + break; + case 2: + key = 0x87; + break; + case 3: + key = 0x67; + break; + default: + key = 0x77; /* safe to be hw default */ + } + + outb(key, dev->path.pnp.port); + outb(key, dev->path.pnp.port); +} + +static void pnp_exit_ext_func_mode(struct device *dev) +{ + outb(0xaa, dev->path.pnp.port); +} + +static const struct pnp_mode_ops pnp_conf_mode_ops = { + .enter_conf_mode = pnp_enter_ext_func_mode, + .exit_conf_mode = pnp_exit_ext_func_mode, +}; + + +static void f81216h_init(struct device *dev) +{ + if (!dev->enabled) + return; + + switch(dev->path.pnp.device) { + case F81216H_SP1: + case F81216H_SP2: + case F81216H_SP3: + case F81216H_SP4: + case F81216H_WDT: + break; + } +} + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = pnp_set_resources, + .enable_resources = pnp_enable_resources, + .enable = pnp_alt_enable, + .init = f81216h_init, + .ops_pnp_mode = &pnp_conf_mode_ops, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, F81216H_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, + { &ops, F81216H_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, + { &ops, F81216H_SP3, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, + { &ops, F81216H_SP4, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, + { &ops, F81216H_WDT, }, +}; + +static void enable_dev(struct device *dev) +{ + pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); +} + +struct chip_operations superio_fintek_f81216h_ops = { + CHIP_NAME("Fintek F81216H/D/DG/F/FG Super I/O") + .enable_dev = enable_dev +};