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/* Copyright 2000 AG Electronics Ltd. */
/* Copyright 2003-2004 Linux Networx */
/* Copyright 2004 Tyan
By LYH change from PC87360 */
/* This code is distributed without warranty under the GPL v2 (see COPYING) */
#include <arch/io.h>
#include <device/device.h>
#include <device/pnp.h>
#include <console/console.h>
#include <string.h>
#include <bitops.h>
#include <uart8250.h>
#include <pc80/keyboard.h>
#include <pc80/mc146818rtc.h>
#include <stdlib.h>
#include "chip.h"
#include "w83627hf.h"
static void pnp_enter_ext_func_mode(device_t dev)
{
outb(0x87, dev->path.pnp.port);
outb(0x87, dev->path.pnp.port);
}
static void pnp_exit_ext_func_mode(device_t dev)
{
outb(0xaa, dev->path.pnp.port);
}
static void pnp_write_index(unsigned long port_base, uint8_t reg, uint8_t value)
{
outb(reg, port_base);
outb(value, port_base + 1);
}
static uint8_t pnp_read_index(unsigned long port_base, uint8_t reg)
{
outb(reg, port_base);
return inb(port_base + 1);
}
static void enable_hwm_smbus(device_t dev) {
/* set the pin 91,92 as I2C bus */
uint8_t reg, value;
reg = 0x2b;
value = pnp_read_config(dev, reg);
value &= 0x3f;
pnp_write_config(dev, reg, value);
}
static void init_acpi(device_t dev)
{
uint8_t value = 0x20;
int power_on = 1;
get_option(&power_on, "power_on_after_fail");
pnp_enter_ext_func_mode(dev);
pnp_write_index(dev->path.pnp.port,7,0x0a);
value = pnp_read_config(dev, 0xE4);
value &= ~(3<<5);
if(power_on) {
value |= (1<<5);
}
pnp_write_config(dev, 0xE4, value);
pnp_exit_ext_func_mode(dev);
}
static void init_hwm(unsigned long base)
{
uint8_t reg, value;
int i;
unsigned hwm_reg_values[] = {
/* reg mask data */
0x40, 0xff, 0x81, /* start HWM */
0x48, 0xaa, 0x2a, /* set SMBus base to 0x54>>1 */
0x4a, 0x21, 0x21, /* set T2 SMBus base to 0x92>>1 and T3 SMBus base to 0x94>>1 */
0x4e, 0x80, 0x00,
0x43, 0x00, 0xff,
0x44, 0x00, 0x3f,
0x4c, 0xbf, 0x18,
0x4d, 0xff, 0x80 /* turn off beep */
};
for(i = 0; i< ARRAY_SIZE(hwm_reg_values); i+=3 ) {
reg = hwm_reg_values[i];
value = pnp_read_index(base, reg);
value &= 0xff & hwm_reg_values[i+1];
value |= 0xff & hwm_reg_values[i+2];
#if 0
printk_debug("base = 0x%04x, reg = 0x%02x, value = 0x%02x\r\n", base, reg,value);
#endif
pnp_write_index(base, reg, value);
}
}
static void w83627hf_init(device_t dev)
{
struct superio_winbond_w83627hf_config *conf;
struct resource *res0, *res1;
if (!dev->enabled) {
return;
}
conf = dev->chip_info;
switch(dev->path.pnp.device) {
case W83627HF_SP1:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com1);
break;
case W83627HF_SP2:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com2);
break;
case W83627HF_KBC:
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 W83627HF_HWM:
res0 = find_resource(dev, PNP_IDX_IO0);
#define HWM_INDEX_PORT 5
init_hwm(res0->base + HWM_INDEX_PORT);
break;
case W83627HF_ACPI:
init_acpi(dev);
break;
}
}
void w83627hf_pnp_set_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_set_resources(dev);
pnp_exit_ext_func_mode(dev);
}
void w83627hf_pnp_enable_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_enable_resources(dev);
switch(dev->path.pnp.device) {
case W83627HF_HWM:
printk_debug("w83627hf hwm smbus enabled\n");
enable_hwm_smbus(dev);
break;
}
pnp_exit_ext_func_mode(dev);
}
void w83627hf_pnp_enable(device_t dev)
{
if (!dev->enabled) {
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_exit_ext_func_mode(dev);
}
}
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = w83627hf_pnp_set_resources,
.enable_resources = w83627hf_pnp_enable_resources,
.enable = w83627hf_pnp_enable,
.init = w83627hf_init,
};
static struct pnp_info pnp_dev_info[] = {
{ &ops, W83627HF_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
{ &ops, W83627HF_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
{ &ops, W83627HF_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
{ &ops, W83627HF_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
// No 4 { 0,},
{ &ops, W83627HF_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
{ &ops, W83627HF_CIR, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
{ &ops, W83627HF_GAME_MIDI_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7ff, 0 }, {0x7fe, 0x4}, },
{ &ops, W83627HF_GPIO2, },
{ &ops, W83627HF_GPIO3, },
{ &ops, W83627HF_ACPI, },
{ &ops, W83627HF_HWM, PNP_IO0 | PNP_IRQ0, { 0xff8, 0 }, },
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &ops,
ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_winbond_w83627hf_ops = {
CHIP_NAME("Winbond W83627HF Super I/O")
.enable_dev = enable_dev,
};
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