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git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1768 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu 2004-11-08 21:16:16 +00:00
parent 41203d9b77
commit 12eb7bc5ad
1 changed files with 21 additions and 22 deletions
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43
src/superio/winbond/w83627hf/superio.c
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@ -26,19 +26,20 @@ static void pnp_exit_ext_func_mode(device_t dev)
outb(0xaa, dev->path.u.pnp.port);
}
static void pnp_write_hwm(unsigned long port_base, uint8_t reg, uint8_t value)
static void pnp_write_index(unsigned long port_base, uint8_t reg, uint8_t value)
{
outb(reg, port_base+5);
outb(value, port_base+6);
outb(reg, port_base);
outb(value, port_base + 1);
}
static uint8_t pnp_read_hwm(unsigned long port_base, uint8_t reg)
static uint8_t pnp_read_index(unsigned long port_base, uint8_t reg)
{
outb(reg, port_base + 5);
return inb(port_base + 6);
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);
@ -80,29 +81,27 @@ static void init_hwm(unsigned long base)
int i;
unsigned hwm_reg_values[] = {
// reg mask data
0x40 , 0xff , 0x81, // ; Start Hardware Monitoring for WIN627
0x48 , 0xaa , 0x2a, // ; Program SIO SMBus BAR to 54h>>1
// 0x48 , 0xc8 , 0x48, // ; Program SIO SMBus BAR to 90h>>1
0x4A , 0x21 , 0x21, // ; Program T2 SMBus BAR to 92h>>1 &
// ; Program T3 SMBus BAR to 94h>>1
0x4E , 0x80 , 0x00,
0x43 , 0x00 , 0xFF,
0x44 , 0x00 , 0x3F,
0x4C , 0xBF , 0x18,
0x4D , 0xFF , 0x80 // ; Turn Off Beep
/* 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< sizeof(hwm_reg_values)/sizeof(hwm_reg_values[0]); i+=3 ) {
reg = hwm_reg_values[i];
value = pnp_read_hwm(base, reg);
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);
printk_debug("base = 0x%04x, reg = 0x%02x, value = 0x%02x\r\n", base, reg,value);
#endif
pnp_write_hwm(base,reg, value);
pnp_write_index(base, reg, value);
}
}
@ -131,7 +130,8 @@ static void w83627hf_init(device_t dev)
break;
case W83627HF_HWM:
res0 = find_resource(dev, PNP_IDX_IO0);
init_hwm(res0->base);
#define HWM_INDEX_PORT 5
init_hwm(res0->base + HWM_INDEX_PORT);
break;
}
@ -160,7 +160,6 @@ void w83627hf_pnp_enable_resources(device_t dev)
switch(dev->path.u.pnp.device) {
case W83627HF_HWM:
//set the pin 91,92 as I2C bus
printk_debug("w83627hf hwm smbus enabled\r\n");
enable_hwm_smbus(dev);
break;