* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-/* TODO: Find datasheet and check for correct values. */
#define IT8671F_FDC 0x00 /* Floppy */
-/* #define IT8671F_PP 0x01 */ /* Parallel port */
+#define IT8671F_SP1 0x01 /* Com1 */
#define IT8671F_SP2 0x02 /* Com2 */
-#define IT8671F_SP1 0x03 /* Com1 */
-#define IT8671F_KBCK 0x06 /* Keyboard */
-/* #define IT8671F_FAN 0x09 */
+#define IT8671F_PP 0x03 /* Parallel port */
+#define IT8671F_KBCK 0x05 /* Keyboard */
+#define IT8671F_KBCM 0x06 /* Mouse */
#include "it8671f.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
+#define SIO_BASE 0x3f0
+#define SIO_INDEX SIO_BASE
+#define SIO_DATA SIO_BASE+1
-/* TODO: These values are actually from the IT8673F datasheet; check if
- they're also valid for the IT8671F. */
-#define IT8671F_CONFIG_REG_CC 0x02 /* Configure Control. */
-#define IT8671F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */
-#define IT8671F_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */
-#define IT8671F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend. */
+/* Global Configuration Registers. */
+#define IT8671F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */
+#define IT8671F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */
+#define IT8671F_CONFIG_REG_LDE 0x23 /* PnP Logical Device Enable. */
+#define IT8671F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend. */
-#define IT8671F_ADDRESS_PORT 0x279
+#define IT8671F_CONFIGURATION_PORT 0x0279 /* Write-only. */
+#define IT8671F_WRITE_DATA_PORT 0x0A79 /* 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. */
0xe8, 0x74, 0x3a, 0x9d, /**/ 0xce, 0xe7, 0x73, 0x39,
};
-/* The content of IT8671F_CONFIG_REG_LDN (index 07h) must be set to the
+/* The content of IT8671F_CONFIG_REG_LDN (index 0x07) must be set to the
* LDN the register belongs to, before you can access the register. */
static void it8671f_sio_write(uint8_t ldn, uint8_t index, uint8_t value)
{
/* Base address 0x3f0: 0x86 0x80 0x55 0x55. */
/* Base address 0x3bd: 0x86 0x80 0x55 0xaa. */
/* Base address 0x370: 0x86 0x80 0xaa 0x55. */
- outb(0x86, IT8671F_ADDRESS_PORT);
- outb(0x80, IT8671F_ADDRESS_PORT);
- outb(0x55, IT8671F_ADDRESS_PORT);
- outb(0x55, IT8671F_ADDRESS_PORT);
+ outb(0x86, IT8671F_CONFIGURATION_PORT);
+ outb(0x80, IT8671F_CONFIGURATION_PORT);
+ outb(0x55, IT8671F_CONFIGURATION_PORT);
+ outb(0x55, IT8671F_CONFIGURATION_PORT);
/* Sequentially write the 32 special values. */
for (i = 0; i < 32; i++) {
/* (2) Modify the data of configuration registers. */
- /* Enable parallel port, serial port 1, serial port 2, floppy. */
- it8671f_sio_write(0x00, 0x23, 0x0f);
+ /* Allow all devices to be enabled. Bits: FDC (0), Com1 (1), Com2 (2),
+ PP (3), Reserved (4), KBCK (5), KBCM (6), Reserved (7). */
+ it8671f_sio_write(0x00, IT8671F_CONFIG_REG_LDE, 0x6f);
- /* Activate serial port 1 and 2. */
- it8671f_sio_write(0x01, 0x30, 0x1);
- it8671f_sio_write(0x02, 0x30, 0x1);
+ /* Activate all devices. */
+ it8671f_sio_write(IT8671F_FDC, 0x30, 0x01); /* Floppy */
+ it8671f_sio_write(IT8671F_SP1, 0x30, 0x01); /* Serial port 1 */
+ it8671f_sio_write(IT8671F_SP2, 0x30, 0x01); /* Serial port 2 */
+ it8671f_sio_write(IT8671F_PP, 0x30, 0x01); /* Parallel port */
+ it8671f_sio_write(IT8671F_KBCK, 0x30, 0x01); /* Keyboard */
+ it8671f_sio_write(IT8671F_KBCM, 0x30, 0x01); /* Mouse */
- /* Select 24MHz CLKIN and clear software suspend mode. */
+ /* Select 24MHz CLKIN (clear bit 6) and clear software suspend
+ mode (clear bit 0). */
it8671f_sio_write(0x00, IT8671F_CONFIG_REG_SWSUSP, 0x00);
/* (3) Exit the configuration state (MB PnP mode). */
conf = dev->chip_info;
switch (dev->path.u.pnp.device) {
- case IT8671F_FDC:
- /* TODO. */
+ case IT8671F_FDC: /* TODO. */
break;
case IT8671F_SP1:
res0 = find_resource(dev, PNP_IDX_IO0);
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com2);
break;
+ case IT8671F_PP: /* TODO. */
+ break;
case IT8671F_KBCK:
res0 = find_resource(dev, PNP_IDX_IO0);
res1 = find_resource(dev, PNP_IDX_IO1);
init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
break;
+ case IT8671F_KBCM: /* TODO. */
+ break;
}
}
.init = init,
};
-/* TODO: Find and check datasheet. */
+/* TODO: FDC, PP, KBCM. */
static struct pnp_info pnp_dev_info[] = {
- { &ops, IT8671F_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07fa, 0}, },
- /* { &ops, IT8671F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x04f8, 0}, }, */
- { &ops, IT8671F_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0x7f8, 0 }, },
{ &ops, IT8671F_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+ { &ops, IT8671F_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0x7f8, 0 }, },
{ &ops, IT8671F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7f8, 0 }, { 0x7f8, 0x4}, },
};
--- /dev/null
+config chip.h
+object superio.o
--- /dev/null
+/*
+ * 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_IT8718F
+#define _SUPERIO_ITE_IT8718F
+
+#include <pc80/keyboard.h>
+#include <uart8250.h>
+
+extern struct chip_operations superio_ITE_it8718f_ops;
+
+struct superio_ITE_it8718f_config {
+ struct uart8250 com1, com2;
+ struct pc_keyboard keyboard;
+};
+
+#endif /* _SUPERIO_ITE_IT8718F */
+
--- /dev/null
+/*
+ * 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-IT8718_2.asp */
+/* Status: untested on real hardware, but it compiles. */
+
+#define IT8718F_FDC 0x00 /* Floppy */
+#define IT8718F_SP1 0x01 /* Com1 */
+#define IT8718F_SP2 0x02 /* Com2 */
+#define IT8718F_PP 0x03 /* Parallel port */
+#define IT8718F_EC 0x04 /* Environment controller */
+#define IT8718F_KBCK 0x05 /* Keyboard */
+#define IT8718F_KBCM 0x06 /* Mouse */
+#define IT8718F_IR 0x0a /* Consumer IR */
+
--- /dev/null
+/*
+ * 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 "it8718f.h"
+
+/* The base address is 0x2e or 0x4e, depending on config bytes. */
+#define SIO_BASE 0x2e
+#define SIO_INDEX SIO_BASE
+#define SIO_DATA SIO_BASE+1
+
+/* Global Configuration Registers. */
+#define IT8718F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */
+#define IT8718F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */
+#define IT8718F_CONFIG_REG_CONFIGSEL 0x22 /* Configuration Select. */
+#define IT8718F_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */
+#define IT8718F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */
+
+#define IT8718F_CONFIGURATION_PORT 0x2e /* Write-only. */
+
+/* The content of IT8718F_CONFIG_REG_LDN (index 0x07) must be set to the
+ * LDN the register belongs to, before you can access the register. */
+static void it8718f_sio_write(uint8_t ldn, uint8_t index, uint8_t value)
+{
+ outb(IT8718F_CONFIG_REG_LDN, SIO_BASE);
+ outb(ldn, SIO_DATA);
+ outb(index, SIO_BASE);
+ outb(value, SIO_DATA);
+}
+
+/* Enable the peripheral devices on the IT8718F Super IO chip. */
+static void it8718f_enable_serial(device_t dev, unsigned iobase)
+{
+ /* (1) Enter the configuration state (MB PnP mode). */
+
+ /* Perform MB PnP setup to put the SIO chip at 0x2e. */
+ /* Base address 0x2e: 0x87 0x01 0x55 0x55. */
+ /* Base address 0x4e: 0x87 0x01 0x55 0xaa. */
+ outb(0x87, IT8718F_CONFIGURATION_PORT);
+ outb(0x01, IT8718F_CONFIGURATION_PORT);
+ outb(0x55, IT8718F_CONFIGURATION_PORT);
+ outb(0x55, IT8718F_CONFIGURATION_PORT);
+
+ /* (2) Modify the data of configuration registers. */
+
+ /* Select the chip to configure (if there's more than one).
+ * Set bit 7 to select JP3=1, clear bit 7 to select JP3=0.
+ * If this register is not written, both chips are configured. */
+ /* it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CONFIGSEL, 0x00); */
+
+ /* Enable all devices. */
+ it8718f_sio_write(IT8718F_FDC, 0x30, 0x1); /* Floppy */
+ it8718f_sio_write(IT8718F_SP1, 0x30, 0x1); /* Serial port 1 */
+ it8718f_sio_write(IT8718F_SP2, 0x30, 0x1); /* Serial port 2 */
+ it8718f_sio_write(IT8718F_PP, 0x30, 0x1); /* Parallel port */
+ it8718f_sio_write(IT8718F_EC, 0x30, 0x1); /* Environment controller */
+ it8718f_sio_write(IT8718F_KBCK, 0x30, 0x1); /* Keyboard */
+ it8718f_sio_write(IT8718F_KBCM, 0x30, 0x1); /* Mouse */
+ it8718f_sio_write(IT8718F_IR, 0x30, 0x1); /* Consumer IR */
+
+ /* Select 24MHz/48MHz CLKIN (set/clear bit 0). TODO: Needed? */
+ /* it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CLOCKSEL, 0x00); */
+
+ /* Clear software suspend mode (clear bit 0). TODO: Needed? */
+ /* it8718f_sio_write(0x00, IT8718F_CONFIG_REG_SWSUSP, 0x00); */
+
+ /* (3) Exit the configuration state (MB PnP mode). */
+ it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CC, 0x02);
+}
+
--- /dev/null
+/*
+ * 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 <uart8250.h>
+#include <pc80/keyboard.h>
+#include "chip.h"
+#include "it8718f.h"
+
+static void init(device_t dev)
+{
+ struct superio_ITE_it8718f_config *conf;
+ struct resource *res0, *res1;
+
+ if (!dev->enabled) {
+ return;
+ }
+
+ conf = dev->chip_info;
+
+ switch (dev->path.u.pnp.device) {
+ case IT8718F_FDC: /* TODO. */
+ break;
+ case IT8718F_SP1:
+ res0 = find_resource(dev, PNP_IDX_IO0);
+ init_uart8250(res0->base, &conf->com1);
+ break;
+ case IT8718F_SP2:
+ res0 = find_resource(dev, PNP_IDX_IO0);
+ init_uart8250(res0->base, &conf->com2);
+ break;
+ case IT8718F_PP: /* TODO. */
+ break;
+ case IT8718F_EC: /* TODO. */
+ break;
+ case IT8718F_KBCK:
+ res0 = find_resource(dev, PNP_IDX_IO0);
+ res1 = find_resource(dev, PNP_IDX_IO1);
+ init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
+ break;
+ case IT8718F_KBCM: /* TODO. */
+ break;
+ case IT8718F_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, EC, KBCM, IR. */
+static struct pnp_info pnp_dev_info[] = {
+ { &ops, IT8718F_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+ { &ops, IT8718F_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0x7f8, 0 }, },
+ { &ops, IT8718F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7f8, 0 }, { 0x7f8, 0x4}, },
+};
+
+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_it8718f_ops = {
+ CHIP_NAME("ITE it8718f")
+ .enable_dev = enable_dev,
+};
+
projects / coreboot.git / commitdiff