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authorLi-Ta Lo <ollie@lanl.gov>2004-04-21 16:57:05 +0000
committerLi-Ta Lo <ollie@lanl.gov>2004-04-21 16:57:05 +0000
commitc6bcedb2c45a0f759d152cd263751184022ab67a (patch)
tree9f1d961a98beb486eccdfbb148f9324fa47749ee /src/superio/winbond/w83627hf
parent771b1aefa3415eb644bfa030772f00b2178b368a (diff)
downloadcoreboot-c6bcedb2c45a0f759d152cd263751184022ab67a.tar.xz
yhlu's pnp patch
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1518 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/superio/winbond/w83627hf')
-rw-r--r--src/superio/winbond/w83627hf/superio.c142
-rw-r--r--src/superio/winbond/w83627hf/w83627hf_early_serial.c12
2 files changed, 127 insertions, 27 deletions
diff --git a/src/superio/winbond/w83627hf/superio.c b/src/superio/winbond/w83627hf/superio.c
index 4f5fd989ee..0096fcd3dd 100644
--- a/src/superio/winbond/w83627hf/superio.c
+++ b/src/superio/winbond/w83627hf/superio.c
@@ -16,13 +16,73 @@
#include "chip.h"
#include "w83627hf.h"
-static void init(device_t dev)
+//BY LYH
+
+void pnp_enter_ext_func_mode(device_t dev) {
+ outb(0x87, dev->path.u.pnp.port);
+ outb(0x87, dev->path.u.pnp.port);
+}
+void pnp_exit_ext_func_mode(device_t dev) {
+ outb(0xaa, dev->path.u.pnp.port);
+}
+
+void pnp_write_hwm(unsigned long port_base, uint8_t reg, uint8_t value)
+{
+ outb(reg, port_base+5);
+ outb(value, port_base+6);
+}
+
+uint8_t pnp_read_hwm(unsigned long port_base, uint8_t reg)
+{
+ outb(reg, port_base + 5);
+ return inb(port_base + 6);
+}
+
+static void enable_hwm_smbus(device_t dev) {
+ uint8_t reg, value;
+ reg = 0x2b;
+ value = pnp_read_config(dev, reg);
+ value &= 0x3f;
+ pnp_write_config(dev, reg, value);
+}
+
+static void init_hwm(unsigned long base)
+{
+ uint8_t reg, value;
+ int i;
+
+ unsigned hwm_reg_values[] = {
+// reg mask data
+ 0x40 , 0xff , 0x81, // ; Start Hardware Monitoring for WIN627
+ 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
+
+ };
+
+ 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 &= 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_hwm(base,reg, value);
+ }
+}
+
+//END
+
+static void w83627hf_init(device_t dev)
{
struct superio_winbond_w83627hf_config *conf;
struct resource *res0, *res1;
- /* Wishlist handle well known programming interfaces more
- * generically.
- */
if (!dev->enable) {
return;
}
@@ -41,15 +101,61 @@ static void init(device_t dev)
res1 = get_resource(dev, PNP_IDX_IO1);
init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
break;
+//BY LYH
+ case W83627HF_HWM:
+ res0 = get_resource(dev, PNP_IDX_IO0);
+ init_hwm(res0->base);
+ break;
+//END
+ }
+}
+
+void w83627hf_pnp_set_resources(device_t dev)
+{
+
+ pnp_enter_ext_func_mode(dev); //BY LYH
+
+ pnp_set_resources(dev);
+
+ pnp_exit_ext_func_mode(dev); //BY LYH
+
+}
+
+void w83627hf_pnp_enable_resources(device_t dev)
+{
+ pnp_enter_ext_func_mode(dev); //BY LYH
+
+ pnp_enable_resources(dev);
+
+ if(dev->path.u.pnp.device == W83627HF_HWM) {
+ //set the pin 91,92 as I2C bus
+ printk_debug("w83627hf hwm smbus enabled\r\n");
+ enable_hwm_smbus(dev);
}
+
+ pnp_exit_ext_func_mode(dev); //BY LYH
+
+}
+
+void w83627hf_pnp_enable(device_t dev)
+{
+
+ if (!dev->enable) {
+ pnp_enter_ext_func_mode(dev); // BY LYH
+
+ pnp_set_logical_device(dev);
+ pnp_set_enable(dev, 0);
+
+ pnp_exit_ext_func_mode(dev); //BY LYH
+ }
}
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 = w83627hf_pnp_set_resources,
+ .enable_resources = w83627hf_pnp_enable_resources,
+ .enable = w83627hf_pnp_enable,
+ .init = w83627hf_init,
};
static struct pnp_info pnp_dev_info[] = {
@@ -61,8 +167,8 @@ static struct pnp_info pnp_dev_info[] = {
{ &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, 4} },
- // { W83627HF_GPIO2,},
- // { W83627HF_GPIO3,},
+ { &ops, W83627HF_GPIO2,},
+ { &ops, W83627HF_GPIO3,},
{ &ops, W83627HF_ACPI, PNP_IRQ0, },
{ &ops, W83627HF_HWM, PNP_IO0 | PNP_IRQ0, { 0xff8, 0 } },
};
@@ -72,24 +178,8 @@ static void enumerate(struct chip *chip)
pnp_enumerate(chip, sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]),
&pnp_ops, pnp_dev_info);
}
-static void sio_enable(struct chip *chip, enum chip_pass pass)
-{
-
- struct superio_winbond_w83627hf_config *conf = (struct superio_winbond_w83627hf_config *)chip->chip_info;
-
- switch (pass) {
- case CONF_PASS_PRE_CONSOLE:
- init_pc_keyboard(0x60, 0x64, &conf->keyboard);
- break;
- default:
- /* nothing yet */
- break;
- }
-}
-
struct chip_control superio_winbond_w83627hf_control = {
- .enable = sio_enable,
.enumerate = enumerate,
.name = "Winbond w83627hf"
};
diff --git a/src/superio/winbond/w83627hf/w83627hf_early_serial.c b/src/superio/winbond/w83627hf/w83627hf_early_serial.c
index 158d18af42..b1c7db4bed 100644
--- a/src/superio/winbond/w83627hf/w83627hf_early_serial.c
+++ b/src/superio/winbond/w83627hf/w83627hf_early_serial.c
@@ -1,11 +1,21 @@
#include <arch/romcc_io.h>
#include "w83627hf.h"
-
+static inline void pnp_enter_ext_func_mode(device_t dev) {
+ unsigned port = dev>>8;
+ outb(0x87, port);
+ outb(0x87, port);
+}
+static void pnp_exit_ext_func_mode(device_t dev) {
+ unsigned port = dev>>8;
+ outb(0xaa, port);
+}
static void w83627hf_enable_serial(device_t dev, unsigned iobase)
{
+ pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_set_iobase(dev, PNP_IDX_IO0, iobase);
pnp_set_enable(dev, 1);
+ pnp_exit_ext_func_mode(dev);
}