X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=src%2Fsuperio%2Fite%2Fit8716f%2Fsuperio.c;h=e4ba7b4a55b52d4140681dd09109170a5b48dd29;hb=c02b4fc9db3c3c1e263027382697b566127f66bb;hp=132155480d133d50f2db9ef372befa246318b22e;hpb=f28674ec3c3349640733effc6026e7148b447550;p=coreboot.git diff --git a/src/superio/ite/it8716f/superio.c b/src/superio/ite/it8716f/superio.c index 132155480..e4ba7b4a5 100644 --- a/src/superio/ite/it8716f/superio.c +++ b/src/superio/ite/it8716f/superio.c @@ -1,5 +1,10 @@ /* + * This file is part of the coreboot project. + * * Copyright (C) 2006 Uwe Hermann + * Copyright (C) 2007 AMD + * (Written by Yinghai Lu for AMD) + * Copyright (C) 2007 Ward Vandewege * * 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 @@ -16,12 +21,69 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include +#include +#include #include #include +#include +#include #include "chip.h" #include "it8716f.h" -static void init(device_t dev) +/* Base address 0x2e: 0x87 0x01 0x55 0x55. */ +/* Base address 0x4e: 0x87 0x01 0x55 0xaa. */ +static void pnp_enter_ext_func_mode(device_t dev) +{ + outb(0x87, dev->path.pnp.port); + outb(0x01, dev->path.pnp.port); + outb(0x55, dev->path.pnp.port); + + if (dev->path.pnp.port == 0x4e) { + outb(0xaa, dev->path.pnp.port); + } else { + outb(0x55, dev->path.pnp.port); + } +} + +static void pnp_exit_ext_func_mode(device_t dev) +{ + pnp_write_config(dev, 0x02, 0x02); +} + +#if CONFIG_SUPERIO_ITE_IT8716F_OVERRIDE_FANCTL +extern void init_ec(uint16_t base); +#else +static void pnp_write_index(uint16_t port_base, uint8_t reg, uint8_t value) +{ + outb(reg, port_base); + outb(value, port_base + 1); +} + +static uint8_t pnp_read_index(uint16_t port_base, uint8_t reg) +{ + outb(reg, port_base); + return inb(port_base + 1); +} + +static void init_ec(uint16_t base) +{ + uint8_t value; + + /* Read out current value of FAN_CTL control register (0x14). */ + value = pnp_read_index(base, 0x14); + printk(BIOS_DEBUG, "FAN_CTL: reg = 0x%04x, read value = 0x%02x\r\n", + base + 0x14, value); + + /* Set FAN_CTL control register (0x14) polarity to high, and + activate fans 1, 2 and 3. */ + pnp_write_index(base, 0x14, value | 0x87); + printk(BIOS_DEBUG, "FAN_CTL: reg = 0x%04x, writing value = 0x%02x\r\n", + base + 0x14, value | 0x87); +} +#endif + +static void it8716f_init(device_t dev) { struct superio_ite_it8716f_config *conf; struct resource *res0, *res1; @@ -32,9 +94,8 @@ static void init(device_t dev) conf = dev->chip_info; - switch (dev->path.u.pnp.device) { - case IT8716F_FDC: /* TODO. */ - break; + /* TODO: FDC, PP, KBCM, MIDI, GAME, IR. */ + switch (dev->path.pnp.device) { case IT8716F_SP1: res0 = find_resource(dev, PNP_IDX_IO0); init_uart8250(res0->base, &conf->com1); @@ -43,49 +104,72 @@ static void init(device_t dev) res0 = find_resource(dev, PNP_IDX_IO0); init_uart8250(res0->base, &conf->com2); break; - case IT8716F_PP: /* TODO. */ - break; - case IT8716F_EC: /* TODO. */ + case IT8716F_EC: + res0 = find_resource(dev, PNP_IDX_IO0); +#define EC_INDEX_PORT 5 + init_ec(res0->base + EC_INDEX_PORT); break; case IT8716F_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 IT8716F_KBCM: /* TODO. */ - break; - case IT8716F_MIDI: /* TODO. */ - break; - case IT8716F_GAME: /* TODO. */ - break; - case IT8716F_IR: /* TODO. */ + pc_keyboard_init(&conf->keyboard); break; } } +static void it8716f_pnp_set_resources(device_t dev) +{ + pnp_enter_ext_func_mode(dev); + pnp_set_resources(dev); + pnp_exit_ext_func_mode(dev); +} + +static void it8716f_pnp_enable_resources(device_t dev) +{ + pnp_enter_ext_func_mode(dev); + pnp_enable_resources(dev); + pnp_exit_ext_func_mode(dev); +} + +static void it8716f_pnp_enable(device_t dev) +{ + pnp_enter_ext_func_mode(dev); + pnp_set_logical_device(dev); + pnp_set_enable(dev, dev->enabled); + pnp_exit_ext_func_mode(dev); +} + 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, + .set_resources = it8716f_pnp_set_resources, + .enable_resources = it8716f_pnp_enable_resources, + .enable = it8716f_pnp_enable, + .init = it8716f_init, }; -/* TODO: FDC, PP, EC, KBCM, MIDI, GAME, IR. */ static struct pnp_info pnp_dev_info[] = { - { &ops, IT8716F_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }, - { &ops, IT8716F_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0x7f8, 0 }, }, - { &ops, IT8716F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7f8, 0 }, { 0x7f8, 0x4}, }, + {&ops, IT8716F_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0},}, + {&ops, IT8716F_SP1, PNP_IO0 | PNP_IRQ0, {0x7f8, 0},}, + {&ops, IT8716F_SP2, PNP_IO0 | PNP_IRQ0, {0x7f8, 0},}, + {&ops, IT8716F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0},}, + {&ops, IT8716F_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x7f8, 0}, + {0x7f8, 0x4},}, + {&ops, IT8716F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x7ff, 0}, + {0x7ff, 0x4},}, + {&ops, IT8716F_KBCM, PNP_IRQ0,}, + {&ops, IT8716F_GPIO, PNP_IO1 | PNP_IO2, {0, 0}, {0x7f8, 0}, {0x7f8, 0},}, + {&ops, IT8716F_MIDI, PNP_IO0 | PNP_IRQ0, {0x7fe, 0x4},}, + {&ops, IT8716F_GAME, PNP_IO0, {0x7ff, 0},}, + {&ops, IT8716F_IR,}, }; 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); + pnp_enable_devices(dev, &ops, + ARRAY_SIZE(pnp_dev_info), pnp_dev_info); } struct chip_operations superio_ite_it8716f_ops = { - CHIP_NAME("ITE it8716f") + CHIP_NAME("ITE IT8716F Super I/O") .enable_dev = enable_dev, }; -