summaryrefslogtreecommitdiff
path: root/src/mainboard/amd/solo/mainboard.c
diff options
context:
space:
mode:
authorEric Biederman <ebiederm@xmission.com>2003-04-24 06:25:08 +0000
committerEric Biederman <ebiederm@xmission.com>2003-04-24 06:25:08 +0000
commit5899fd82aa2f5c3855eb6630f702f3239b6b7015 (patch)
treee699faf63cd467933b0134f591291e702cf55c3b /src/mainboard/amd/solo/mainboard.c
parent8ca8d7665d671e10d72b8fcb4d69121d75f7906e (diff)
- Small step forward Linux boots and almost works...
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@795 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/amd/solo/mainboard.c')
-rw-r--r--src/mainboard/amd/solo/mainboard.c118
1 files changed, 115 insertions, 3 deletions
diff --git a/src/mainboard/amd/solo/mainboard.c b/src/mainboard/amd/solo/mainboard.c
index b8b8d6c3f2..6578ef606f 100644
--- a/src/mainboard/amd/solo/mainboard.c
+++ b/src/mainboard/amd/solo/mainboard.c
@@ -1,6 +1,14 @@
-#if 0
-#include <printk.h>
-#endif
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+
+
+unsigned long initial_apicid[MAX_CPUS] =
+{
+ 0
+};
void
mainboard_fixup(void)
@@ -23,3 +31,107 @@ final_mainboard_fixup(void)
//#endif
#endif
}
+
+struct ioapicreg {
+ unsigned int reg;
+ unsigned int value_low, value_high;
+};
+static struct ioapicreg ioapicregvalues[] = {
+#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)
+ /* mask, trigger, polarity, destination, delivery, vector */
+ {0x00, ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | ExtINT | 0, 0},
+ {0x01, DISABLED, NONE},
+ {0x02, ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | INT | 0, 0},
+ {0x03, DISABLED, NONE},
+ {0x04, DISABLED, NONE},
+ {0x05, DISABLED, NONE},
+ {0x06, DISABLED, NONE},
+ {0x07, DISABLED, NONE},
+ {0x08, DISABLED, NONE},
+ {0x09, DISABLED, NONE},
+ {0x0a, DISABLED, NONE},
+ {0x0b, DISABLED, NONE},
+ {0x0c, DISABLED, NONE},
+ {0x0d, DISABLED, NONE},
+ {0x0e, DISABLED, NONE},
+ {0x0f, DISABLED, NONE},
+ {0x10, DISABLED, NONE},
+ {0x11, DISABLED, NONE},
+ {0x12, DISABLED, NONE},
+ {0x13, DISABLED, NONE},
+ {0x14, DISABLED, NONE},
+ {0x14, DISABLED, NONE},
+ {0x15, DISABLED, NONE},
+ {0x16, DISABLED, NONE},
+ {0x17, DISABLED, NONE},
+ {0x18, DISABLED, NONE},
+ {0x19, DISABLED, NONE},
+ {0x20, DISABLED, NONE},
+ {0x21, DISABLED, NONE},
+ {0x22, DISABLED, NONE},
+ {0x23, DISABLED, NONE},
+};
+
+static void setup_ioapic(void)
+{
+ int i;
+ unsigned long value_low, value_high;
+ unsigned long ioapic_base = 0xfec00000;
+ volatile unsigned long *l;
+ struct ioapicreg *a = ioapicregvalues;
+
+ l = (unsigned long *) ioapic_base;
+ for (i = 0; i < sizeof(ioapicregvalues) / sizeof(ioapicregvalues[0]);
+ i++, a++) {
+ l[0] = (a->reg * 2) + 0x10;
+ l[4] = a->value_low;
+ value_low = l[4];
+ l[0] = (a->reg *2) + 0x11;
+ l[4] = a->value_high;
+ value_high = l[4];
+ if ((i==0) && (value_low == 0xffffffff)) {
+ printk_warning("IO APIC not responding.\n");
+ return;
+ }
+ printk_spew("for IRQ, reg 0x%08x value 0x%08x 0x%08x\n",
+ a->reg, a->value_low, a->value_high);
+ }
+}
+
+static void lpc_init(struct device *dev)
+{
+ uint8_t byte;
+ printk_debug("lpc_init\n");
+#if 0
+ pci_read_config_byte(dev, 0x4B, &byte);
+ byte |= 1;
+ pci_write_config_byte(dev, 0x4B, byte);
+ setup_ioapic();
+#endif
+}
+
+static struct device_operations lpc_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .init = lpc_init,
+ .scan_bus = 0,
+};
+
+static struct pci_driver lpc_driver __pci_driver = {
+ .ops = &lpc_ops,
+ .vendor = PCI_VENDOR_ID_AMD,
+ .device = 0x7468,
+};