diff options
| -rw-r--r-- | src/superio/ite/it8661f/Config.lb | 2 | ||||
| -rw-r--r-- | src/superio/ite/it8661f/chip.h | 35 | ||||
| -rw-r--r-- | src/superio/ite/it8661f/it8661f.h | 30 | ||||
| -rw-r--r-- | src/superio/ite/it8661f/it8661f_early_serial.c | 95 | ||||
| -rw-r--r-- | src/superio/ite/it8661f/superio.c | 79 |
5 files changed, 241 insertions, 0 deletions
diff --git a/src/superio/ite/it8661f/Config.lb b/src/superio/ite/it8661f/Config.lb new file mode 100644 index 0000000000..f62a567d61 --- /dev/null +++ b/src/superio/ite/it8661f/Config.lb @@ -0,0 +1,2 @@ +config chip.h +object superio.o diff --git a/src/superio/ite/it8661f/chip.h b/src/superio/ite/it8661f/chip.h new file mode 100644 index 0000000000..e3ecd70ac2 --- /dev/null +++ b/src/superio/ite/it8661f/chip.h @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de> + * + * 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_IT8661F +#define _SUPERIO_ITE_IT8661F + +/* This chip doesn't seem to have keyboard and mouse support. */ + +/* #include <pc80/keyboard.h> */ +#include <uart8250.h> + +extern struct chip_operations superio_ITE_it8661f_ops; + +struct superio_ITE_it8661f_config { + struct uart8250 com1, com2; + /* struct pc_keyboard keyboard; */ +}; + +#endif /* _SUPERIO_ITE_IT8661F */ + diff --git a/src/superio/ite/it8661f/it8661f.h b/src/superio/ite/it8661f/it8661f.h new file mode 100644 index 0000000000..18b424001f --- /dev/null +++ b/src/superio/ite/it8661f/it8661f.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de> + * + * 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 + */ + +/* Datasheet: http://www.ite.com.tw/product_info/PC/Brief-IT8661_2.asp */ +/* Status: untested on real hardware, but it compiles. */ + +/* This chip doesn't seem to have keyboard and mouse support. */ + +#define IT8661F_FDC 0x00 /* Floppy */ +#define IT8661F_SP1 0x01 /* Com1 */ +#define IT8661F_SP2 0x02 /* Com2 */ +#define IT8661F_PP 0x03 /* Parallel port */ +#define IT8661F_IR 0x04 /* IR */ +#define IT8661F_GPIO 0x05 /* GPIO & Alternate Function Configuration */ + diff --git a/src/superio/ite/it8661f/it8661f_early_serial.c b/src/superio/ite/it8661f/it8661f_early_serial.c new file mode 100644 index 0000000000..526ec8266a --- /dev/null +++ b/src/superio/ite/it8661f/it8661f_early_serial.c @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de> + * + * 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 "it8661f.h" + +/* The base address is 0x3f0, 0x3bd, or 0x370, depending on config bytes. */ +#define SIO_BASE 0x3f0 +#define SIO_INDEX SIO_BASE +#define SIO_DATA SIO_BASE+1 + +/* Global Configuration Registers. */ +#define IT8661F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */ +#define IT8661F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */ +#define IT8661F_CONFIG_REG_LDE 0x23 /* PnP Logical Device Enable. */ +#define IT8661F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend + Clock Select. */ + +#define IT8661F_CONFIGURATION_PORT 0x0279 /* Write-only. */ + +/* Special values used for entering MB PnP mode. The first four bytes of + * each line determine the address port, the last four are data. */ +static const uint8_t init_values[] = { + 0x6a, 0xb5, 0xda, 0xed, /**/ 0xf6, 0xfb, 0x7d, 0xbe, + 0xdf, 0x6f, 0x37, 0x1b, /**/ 0x0d, 0x86, 0xc3, 0x61, + 0xb0, 0x58, 0x2c, 0x16, /**/ 0x8b, 0x45, 0xa2, 0xd1, + 0xe8, 0x74, 0x3a, 0x9d, /**/ 0xce, 0xe7, 0x73, 0x39, +}; + +/* The content of IT8661F_CONFIG_REG_LDN (index 0x07) must be set to the + * LDN the register belongs to, before you can access the register. */ +static void it8661f_sio_write(uint8_t ldn, uint8_t index, uint8_t value) +{ + outb(IT8661F_CONFIG_REG_LDN, SIO_BASE); + outb(ldn, SIO_DATA); + outb(index, SIO_BASE); + outb(value, SIO_DATA); +} + +/* Enable the peripheral devices on the IT8661F Super IO chip. */ +static void it8661f_enable_serial(device_t dev, unsigned iobase) +{ + uint8_t i; + + /* (1) Enter the configuration state (MB PnP mode). */ + + /* Perform MB PnP setup to put the SIO chip at 0x3f0. */ + /* Base address 0x3f0: 0x86 0x80 0x55 0x55. */ + /* Base address 0x3bd: 0x86 0x80 0x55 0xaa. */ + /* Base address 0x370: 0x86 0x80 0xaa 0x55. */ + outb(0x86, IT8661F_CONFIGURATION_PORT); + outb(0x80, IT8661F_CONFIGURATION_PORT); + outb(0x55, IT8661F_CONFIGURATION_PORT); + outb(0x55, IT8661F_CONFIGURATION_PORT); + + /* Sequentially write the 32 special values. */ + for (i = 0; i < 32; i++) { + outb(init_values[i], SIO_BASE); + } + + /* (2) Modify the data of configuration registers. */ + + /* Allow all devices to be enabled. Bits: FDC (0), Com1 (1), Com2 (2), + PP (3), IR (4). Bits 5-7 are reserved. */ + it8661f_sio_write(0x00, IT8661F_CONFIG_REG_LDE, 0x1f); + + /* Enable all devices. */ + it8661f_sio_write(IT8661F_FDC, 0x30, 0x1); /* Floppy */ + it8661f_sio_write(IT8661F_SP1, 0x30, 0x1); /* Serial port 1 */ + it8661f_sio_write(IT8661F_SP2, 0x30, 0x1); /* Serial port 2 */ + it8661f_sio_write(IT8661F_PP, 0x30, 0x1); /* Parallel port */ + it8661f_sio_write(IT8661F_IR, 0x30, 0x1); /* IR */ + + /* Select 24MHz CLKIN (clear bit 1) and clear software suspend mode + (clear bit 0). */ + it8661f_sio_write(0x00, IT8661F_CONFIG_REG_SWSUSP, 0x00); + + /* (3) Exit the configuration state (MB PnP mode). */ + it8661f_sio_write(0x00, IT8661F_CONFIG_REG_CC, 0x02); +} + diff --git a/src/superio/ite/it8661f/superio.c b/src/superio/ite/it8661f/superio.c new file mode 100644 index 0000000000..8ba3deb84b --- /dev/null +++ b/src/superio/ite/it8661f/superio.c @@ -0,0 +1,79 @@ +/* + * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de> + * + * 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 + */ + +/* This chip doesn't seem to have keyboard and mouse support. */ + +#include <uart8250.h> +/* #include <pc80/keyboard.h> */ +#include "chip.h" +#include "it8661f.h" + +static void init(device_t dev) +{ + struct superio_ITE_it8661f_config *conf; + struct resource *res0, *res1; + + if (!dev->enabled) { + return; + } + + conf = dev->chip_info; + + switch (dev->path.u.pnp.device) { + case IT8661F_FDC: /* TODO. */ + break; + case IT8661F_SP1: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com1); + break; + case IT8661F_SP2: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com2); + break; + case IT8661F_PP: /* TODO. */ + break; + case IT8661F_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, IR, GPIO. */ +static struct pnp_info pnp_dev_info[] = { + { &ops, IT8661F_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }, + { &ops, IT8661F_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0x7f8, 0 }, }, +}; + +static void enable_dev(struct device *dev) +{ + pnp_enable_devices(dev, &pnp_ops, + sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info); +} + +struct chip_operations superio_ITE_it8661f_ops = { + CHIP_NAME("ITE it8661f") + .enable_dev = enable_dev, +}; + |