summaryrefslogtreecommitdiff
path: root/src/southbridge/intel/esb6300
diff options
context:
space:
mode:
authorStefan Reinauer <stepan@coresystems.de>2010-01-16 18:31:34 +0000
committerStefan Reinauer <stepan@openbios.org>2010-01-16 18:31:34 +0000
commit0401bd89b6e7105ca597a221fdbe2a8b75c35296 (patch)
treeec342f9dcaae2619bcb06a57789a07328402ea71 /src/southbridge/intel/esb6300
parent9fe4d797a37671a65053add3f7cca27397db0b9b (diff)
downloadcoreboot-0401bd89b6e7105ca597a221fdbe2a8b75c35296.tar.xz
coreboot has 13 instances of IOAPIC setup distributed across a lot
of components. This patch is a rewrite of the generic IOAPIC setup code. Additionally it drops the other 12 instances of IOAPIC setup code and makes the components use the generic code. Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Ronald G. Minnich <rminnich@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5023 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/intel/esb6300')
-rw-r--r--src/southbridge/intel/esb6300/esb6300_lpc.c49
-rw-r--r--src/southbridge/intel/esb6300/esb6300_pic.c45
2 files changed, 4 insertions, 90 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)