diff options
Diffstat (limited to 'src/superio/fintek/f71869ad')
| -rw-r--r-- | src/superio/fintek/f71869ad/Makefile.inc | 22 | ||||
| -rw-r--r-- | src/superio/fintek/f71869ad/chip.h | 32 | ||||
| -rw-r--r-- | src/superio/fintek/f71869ad/early_serial.c | 68 | ||||
| -rw-r--r-- | src/superio/fintek/f71869ad/f71869ad.h | 37 | ||||
| -rw-r--r-- | src/superio/fintek/f71869ad/superio.c | 94 |
5 files changed, 253 insertions, 0 deletions
diff --git a/src/superio/fintek/f71869ad/Makefile.inc b/src/superio/fintek/f71869ad/Makefile.inc new file mode 100644 index 0000000000..12efbebeb8 --- /dev/null +++ b/src/superio/fintek/f71869ad/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-$(CONFIG_SUPERIO_FINTEK_F71869AD) += early_serial.c +ramstage-$(CONFIG_SUPERIO_FINTEK_F71869AD) += superio.c diff --git a/src/superio/fintek/f71869ad/chip.h b/src/superio/fintek/f71869ad/chip.h new file mode 100644 index 0000000000..78f366494c --- /dev/null +++ b/src/superio/fintek/f71869ad/chip.h @@ -0,0 +1,32 @@ +/* + * 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_F71869AD_CHIP_H +#define SUPERIO_FINTEK_F71869AD_CHIP_H + +#include <pc80/keyboard.h> +#include <device/device.h> +#include <uart8250.h> + +struct superio_fintek_f71869ad_config { + struct pc_keyboard keyboard; +}; + +#endif /* SUPERIO_FINTEK_F71869AD_CHIP_H */ diff --git a/src/superio/fintek/f71869ad/early_serial.c b/src/superio/fintek/f71869ad/early_serial.c new file mode 100644 index 0000000000..85184007ac --- /dev/null +++ b/src/superio/fintek/f71869ad/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 + */ + +/* + * Pre-RAM driver for the Fintek F71869AD Super I/O chip. + * + * Derived from p.34 in vendor data-sheet: + * + * - default index port : 0x4E + * - default data port : 0x4F + * + * - enable configuration : 0x87 + * - disable configuration : 0xAA + * + */ + +#include <arch/io.h> +#include <device/pnp.h> +#include "f71869ad.h" + +/* + * Enable configuration: pass entry key '0x87' into index port dev. + */ +static void pnp_enter_conf_state(device_t dev) +{ + u16 port = dev >> 8; + outb(0x87, port); + outb(0x87, port); +} + +/* + * Disable configuration: pass exit key '0xAA' into index port dev. + */ +static void pnp_exit_conf_state(device_t dev) +{ + u16 port = dev >> 8; + outb(0xaa, port); +} + +/* + * Bring up early serial debugging output before the RAM is initialized. + */ +void f71869ad_enable_serial(device_t dev, u16 iobase) +{ + 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/f71869ad/f71869ad.h b/src/superio/fintek/f71869ad/f71869ad.h new file mode 100644 index 0000000000..abc0260fea --- /dev/null +++ b/src/superio/fintek/f71869ad/f71869ad.h @@ -0,0 +1,37 @@ +/* + * 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_F71869AD_F71869AD_H +#define SUPERIO_FINTEK_F71869AD_F71869AD_H + +/* Logical Device Numbers (LDN). */ +#define F71869AD_FDC 0x00 /* Floppy */ +#define F71869AD_SP1 0x01 /* UART1 */ +#define F71869AD_SP2 0x02 /* UART2 */ +#define F71869AD_PP 0x03 /* Parallel port */ +#define F71869AD_HWM 0x04 /* Hardware monitor */ +#define F71869AD_KBC 0x05 /* PS/2 keyboard and mouse */ +#define F71869AD_GPIO 0x06 /* General Purpose I/O (GPIO) */ +#define F71869AD_BSEL 0x07 /* BSEL */ +#define F71869AD_PME 0x0a /* Power Management Events (PME) and ACPI */ + +void f71869ad_enable_serial(device_t dev, u16 iobase); + +#endif /* SUPERIO_FINTEK_F71869AD_F71869AD_H */ diff --git a/src/superio/fintek/f71869ad/superio.c b/src/superio/fintek/f71869ad/superio.c new file mode 100644 index 0000000000..442ca00911 --- /dev/null +++ b/src/superio/fintek/f71869ad/superio.c @@ -0,0 +1,94 @@ +/* + * 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 <uart8250.h> + +#include "chip.h" +#include "f71869ad.h" + +static void f71869ad_init(device_t dev) +{ + struct superio_fintek_f71869ad_config *conf = dev->chip_info; + + if (!dev->enabled) + return; + + switch(dev->path.pnp.device) { + /* TODO: Might potentially need code for HWM or FDC etc. */ + case F71869AD_KBC: + pc_keyboard_init(&conf->keyboard); + 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 = f71869ad_init, + .ops_pnp_mode = &pnp_conf_mode_8787_aa, +}; + +/* + * io_info contains the mask 0x07f8. Given 16 register, each 8 bits wide of a + * logical device we need a mask of the following form: + * + * MSB LSB + * v v + * 0x[15..11][10..3][2..0] + * ------ ^^^^^ ^^^^ + * null | | + * | +------ Register index + * | + * +------------- Compare against base address and + * asserts a chip_select on match. + * + * i.e., 0x07F8 = [00000][11111111][000] + * + * TODO: verify flags and masks are correct & move this information to Wiki. + */ +static struct pnp_info pnp_dev_info[] = { + { &ops, F71869AD_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, }, + { &ops, F71869AD_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, + { &ops, F71869AD_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, + { &ops, F71869AD_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, }, + { &ops, F71869AD_HWM, PNP_IO0 | PNP_IRQ0, {0x0ff8, 0}, }, + { &ops, F71869AD_KBC, PNP_IO0 | PNP_IRQ0 | PNP_IRQ1, {0x07ff, 0}, }, + { &ops, F71869AD_GPIO, }, + { &ops, F71869AD_BSEL, PNP_IO0, {0x07f8, 0}, }, + { &ops, F71869AD_PME, }, +}; + +static void enable_dev(device_t dev) +{ + pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); +} + +struct chip_operations superio_fintek_f71869ad_ops = { + CHIP_NAME("Fintek F71869AD Super I/O") + .enable_dev = enable_dev +}; |