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-rw-r--r--src/southbridge/intel/esb6300/esb6300_lpc.c49
-rw-r--r--src/southbridge/intel/esb6300/esb6300_pic.c45
-rw-r--r--src/southbridge/intel/i3100/i3100_lpc.c69
-rw-r--r--src/southbridge/intel/i82801er/i82801er_lpc.c48
-rw-r--r--src/southbridge/intel/pxhd/pxhd_bridge.c55
5 files changed, 25 insertions, 241 deletions
diff --git a/src/southbridge/intel/esb6300/esb6300_lpc.c b/src/southbridge/intel/esb6300/esb6300_lpc.c
index bae9e715d5..09caeb729f 100644
--- a/src/southbridge/intel/esb6300/esb6300_lpc.c
+++ b/src/southbridge/intel/esb6300/esb6300_lpc.c
@@ -9,6 +9,7 @@
#include <pc80/mc146818rtc.h>
#include <pc80/isa-dma.h>
#include <arch/io.h>
+#include <arch/ioapic.h>
#include "esb6300.h"
#define ACPI_BAR 0x40
@@ -22,52 +23,6 @@
#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
#endif
-#define ALL (0xff << 24)
-#define NONE (0)
-#define DISABLED (1 << 16)
-#define ENABLED (0 << 16)
-#define TRIGGER_EDGE (0 << 15)
-#define TRIGGER_LEVEL (1 << 15)
-#define POLARITY_HIGH (0 << 13)
-#define POLARITY_LOW (1 << 13)
-#define PHYSICAL_DEST (0 << 11)
-#define LOGICAL_DEST (1 << 11)
-#define ExtINT (7 << 8)
-#define NMI (4 << 8)
-#define SMI (2 << 8)
-#define INT (1 << 8)
-
-static void setup_ioapic(device_t dev)
-{
- int i;
- unsigned long value_low, value_high;
- unsigned long ioapic_base = 0xfec00000;
- volatile unsigned long *l;
- unsigned interrupts;
-
- l = (unsigned long *) ioapic_base;
-
- l[0] = 0x01;
- interrupts = (l[04] >> 16) & 0xff;
- for (i = 0; i < interrupts; i++) {
- l[0] = (i * 2) + 0x10;
- l[4] = DISABLED;
- value_low = l[4];
- l[0] = (i * 2) + 0x11;
- l[4] = NONE; /* Should this be an address? */
- value_high = l[4];
- if (value_low == 0xffffffff) {
- printk_warning("%d IO APIC not responding.\n",
- dev_path(dev));
- return;
- }
- }
-
- /* Put the ioapic in virtual wire mode */
- l[0] = 0 + 0x10;
- l[4] = ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | ExtINT;
-}
-
#define SERIRQ_CNTL 0x64
static void esb6300_enable_serial_irqs(device_t dev)
{
@@ -287,7 +242,7 @@ static void lpc_init(struct device *dev)
value |= (1 << 8)|(1<<7);
value |= (6 << 0)|(1<<13)|(1<<11);
pci_write_config32(dev, 0xd0, value);
- setup_ioapic(dev);
+ setup_ioapic(0xfec00000, 0); // don't rename IO APIC ID
/* disable reset timer */
pci_write_config8(dev, 0xd4, 0x02);
diff --git a/src/southbridge/intel/esb6300/esb6300_pic.c b/src/southbridge/intel/esb6300/esb6300_pic.c
index 97635ae524..9d02536cd4 100644
--- a/src/southbridge/intel/esb6300/esb6300_pic.c
+++ b/src/southbridge/intel/esb6300/esb6300_pic.c
@@ -6,50 +6,9 @@
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
+#include <arch/ioapic.h>
#include "esb6300.h"
-#define ALL (0xff << 24)
-#define NONE (0)
-#define DISABLED (1 << 16)
-#define ENABLED (0 << 16)
-#define TRIGGER_EDGE (0 << 15)
-#define TRIGGER_LEVEL (1 << 15)
-#define POLARITY_HIGH (0 << 13)
-#define POLARITY_LOW (1 << 13)
-#define PHYSICAL_DEST (0 << 11)
-#define LOGICAL_DEST (1 << 11)
-#define ExtINT (7 << 8)
-#define NMI (4 << 8)
-#define SMI (2 << 8)
-#define INT (1 << 8)
-
-static void setup_ioapic(device_t dev)
-{
- int i;
- unsigned long value_low, value_high;
- unsigned long ioapic_base = 0xfec10000;
- volatile unsigned long *l;
- unsigned interrupts;
-
- l = (unsigned long *) ioapic_base;
-
- l[0] = 0x01;
- interrupts = (l[04] >> 16) & 0xff;
- for (i = 0; i < interrupts; i++) {
- l[0] = (i * 2) + 0x10;
- l[4] = DISABLED;
- value_low = l[4];
- l[0] = (i * 2) + 0x11;
- l[4] = NONE; /* Should this be an address? */
- value_high = l[4];
- if (value_low == 0xffffffff) {
- printk_warning("%s IO APIC not responding.\n",
- dev_path(dev));
- return;
- }
- }
-}
-
static void pic_init(struct device *dev)
{
@@ -64,7 +23,7 @@ static void pic_init(struct device *dev)
pci_write_config8(dev, 0x3c, 0xff);
/* Setup the ioapic */
- setup_ioapic(dev);
+ clear_ioapic(0xfec10000);
}
static void pic_read_resources(device_t dev)
diff --git a/src/southbridge/intel/i3100/i3100_lpc.c b/src/southbridge/intel/i3100/i3100_lpc.c
index a2d858ef17..e516939fe9 100644
--- a/src/southbridge/intel/i3100/i3100_lpc.c
+++ b/src/southbridge/intel/i3100/i3100_lpc.c
@@ -29,6 +29,7 @@
#include <pc80/mc146818rtc.h>
#include <pc80/isa-dma.h>
#include <arch/io.h>
+#include <arch/ioapic.h>
#include "i3100.h"
#define ACPI_BAR 0x40
@@ -49,60 +50,6 @@
#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
#endif
-#define ALL (0xff << 24)
-#define NONE (0)
-#define DISABLED (1 << 16)
-#define ENABLED (0 << 16)
-#define TRIGGER_EDGE (0 << 15)
-#define TRIGGER_LEVEL (1 << 15)
-#define POLARITY_HIGH (0 << 13)
-#define POLARITY_LOW (1 << 13)
-#define PHYSICAL_DEST (0 << 11)
-#define LOGICAL_DEST (1 << 11)
-#define ExtINT (7 << 8)
-#define NMI (4 << 8)
-#define SMI (2 << 8)
-#define INT (1 << 8)
-
-static void setup_ioapic(device_t dev)
-{
- int i;
- u32 value_low, value_high;
- u32 ioapic_base = 0xfec00000;
- volatile u32 *l;
- u32 interrupts;
- struct resource *res;
-
- /* Enable IO APIC */
- res = find_resource(dev, RCBA);
- if (!res) {
- return;
- }
- *((u8 *)(res->base + 0x31ff)) |= (1 << 0);
-
- l = (u32 *) ioapic_base;
-
- l[0] = 0x01;
- interrupts = (l[04] >> 16) & 0xff;
- for (i = 0; i < interrupts; i++) {
- l[0] = (i * 2) + 0x10;
- l[4] = DISABLED;
- value_low = l[4];
- l[0] = (i * 2) + 0x11;
- l[4] = NONE; /* Should this be an address? */
- value_high = l[4];
- if (value_low == 0xffffffff) {
- printk_warning("%d IO APIC not responding.\n",
- dev_path(dev));
- return;
- }
- }
-
- /* Put the APIC in virtual wire mode */
- l[0] = 0x12;
- l[4] = ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | ExtINT;
-}
-
static void i3100_enable_serial_irqs(device_t dev)
{
/* set packet length and toggle silent mode bit */
@@ -363,7 +310,19 @@ static void i3100_gpio_init(device_t dev)
static void lpc_init(struct device *dev)
{
- setup_ioapic(dev);
+ struct resource *res;
+
+ /* Enable IO APIC */
+ res = find_resource(dev, RCBA);
+ if (!res) {
+ return;
+ }
+ *((u8 *)(res->base + 0x31ff)) |= (1 << 0);
+
+ // TODO this code sets int 0 of the IOAPIC in Virtual Wire Mode
+ // (register 0x10/0x11) while the old code used int 1 (register 0x12)
+ // ... Why?
+ setup_ioapic(IO_APIC_ADDR, 0); // Don't rename IOAPIC ID
/* Decode 0xffc00000 - 0xffffffff to fwh idsel 0 */
pci_write_config32(dev, 0xd0, 0x00000000);
diff --git a/src/southbridge/intel/i82801er/i82801er_lpc.c b/src/southbridge/intel/i82801er/i82801er_lpc.c
index 943356c2c1..357e181a9d 100644
--- a/src/southbridge/intel/i82801er/i82801er_lpc.c
+++ b/src/southbridge/intel/i82801er/i82801er_lpc.c
@@ -9,6 +9,7 @@
#include <pc80/mc146818rtc.h>
#include <pc80/isa-dma.h>
#include <arch/io.h>
+#include <arch/ioapic.h>
#include "i82801er.h"
#define ACPI_BAR 0x40
@@ -22,51 +23,6 @@
#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
#endif
-#define ALL (0xff << 24)
-#define NONE (0)
-#define DISABLED (1 << 16)
-#define ENABLED (0 << 16)
-#define TRIGGER_EDGE (0 << 15)
-#define TRIGGER_LEVEL (1 << 15)
-#define POLARITY_HIGH (0 << 13)
-#define POLARITY_LOW (1 << 13)
-#define PHYSICAL_DEST (0 << 11)
-#define LOGICAL_DEST (1 << 11)
-#define ExtINT (7 << 8)
-#define NMI (4 << 8)
-#define SMI (2 << 8)
-#define INT (1 << 8)
-
-static void setup_ioapic(void)
-{
- int i;
- unsigned long value_low, value_high;
- unsigned long ioapic_base = 0xfec00000;
- volatile unsigned long *l;
- unsigned interrupts;
-
- l = (unsigned long *) ioapic_base;
-
- l[0] = 0x01;
- interrupts = (l[04] >> 16) & 0xff;
- for (i = 0; i < interrupts; i++) {
- l[0] = (i * 2) + 0x10;
- l[4] = DISABLED;
- value_low = l[4];
- l[0] = (i * 2) + 0x11;
- l[4] = NONE; /* Should this be an address? */
- value_high = l[4];
- if (value_low == 0xffffffff) {
- printk_warning("IO APIC not responding.\n");
- return;
- }
- }
-
- /* Put the ioapic in virtual wire mode */
- l[0] = 0 + 0x10;
- l[4] = ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | ExtINT;
-}
-
#define SERIRQ_CNTL 0x64
static void i82801er_enable_serial_irqs(device_t dev)
{
@@ -292,7 +248,7 @@ static void lpc_init(struct device *dev)
value = pci_read_config32(dev, 0xd4);
value |= (1<<1);
pci_write_config32(dev, 0xd4, value);
- setup_ioapic();
+ setup_ioapic(IO_APIC_ADDR, 0); // Don't rename IO APIC ID.
i82801er_enable_serial_irqs(dev);
diff --git a/src/southbridge/intel/pxhd/pxhd_bridge.c b/src/southbridge/intel/pxhd/pxhd_bridge.c
index 5913063606..1a21a9c03e 100644
--- a/src/southbridge/intel/pxhd/pxhd_bridge.c
+++ b/src/southbridge/intel/pxhd/pxhd_bridge.c
@@ -8,6 +8,7 @@
#include <device/pci_ops.h>
#include <device/pcix.h>
#include <pc80/mc146818rtc.h>
+#include <arch/ioapic.h>
#include <delay.h>
#include "pxhd.h"
@@ -159,63 +160,17 @@ static const struct pci_driver pcix_driver2 __pci_driver = {
.device = 0x032a,
};
-#define ALL (0xff << 24)
-#define NONE (0)
-#define DISABLED (1 << 16)
-#define ENABLED (0 << 16)
-#define TRIGGER_EDGE (0 << 15)
-#define TRIGGER_LEVEL (1 << 15)
-#define POLARITY_HIGH (0 << 13)
-#define POLARITY_LOW (1 << 13)
-#define PHYSICAL_DEST (0 << 11)
-#define LOGICAL_DEST (1 << 11)
-#define ExtINT (7 << 8)
-#define NMI (4 << 8)
-#define SMI (2 << 8)
-#define INT (1 << 8)
- /* IO-APIC virtual wire mode configuration */
- /* mask, trigger, polarity, destination, delivery, vector */
-
-static void setup_ioapic(device_t dev)
-{
- int i;
- unsigned long value_low, value_high;
- unsigned long ioapic_base;
- volatile unsigned long *l;
- unsigned interrupts;
-
- ioapic_base = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
- l = (unsigned long *) ioapic_base;
-
- /* Enable front side bus delivery */
- l[0] = 0x03;
- l[4] = 1;
-
- l[0] = 0x01;
- interrupts = (l[04] >> 16) & 0xff;
- for (i = 0; i < interrupts; i++) {
- l[0] = (i * 2) + 0x10;
- l[4] = DISABLED;
- value_low = l[4];
- l[0] = (i * 2) + 0x11;
- l[4] = NONE; /* Should this be an address? */
- value_high = l[4];
- if (value_low == 0xffffffff) {
- printk_warning("IO APIC not responding.\n");
- return;
- }
- }
-}
-
static void ioapic_init(device_t dev)
{
- uint32_t value;
+ uint32_t value, ioapic_base;
/* Enable bus mastering so IOAPICs work */
value = pci_read_config16(dev, PCI_COMMAND);
value |= PCI_COMMAND_MASTER;
pci_write_config16(dev, PCI_COMMAND, value);
- setup_ioapic(dev);
+ ioapic_base = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
+
+ setup_ioapic(ioapic_base, 0); // Don't rename IOAPIC ID
}
static void intel_set_subsystem(device_t dev, unsigned vendor, unsigned device)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 15:00:19 +0000