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authorYinghai Lu <yinghailu@gmail.com>2005-07-08 02:49:49 +0000
committerYinghai Lu <yinghailu@gmail.com>2005-07-08 02:49:49 +0000
commit13f1c2af8be2cd7f7e99a678f5d428a65b771811 (patch)
tree27cad5581f1fa150f573149d48e82f70ba1b1d9f /src/mainboard/intel/jarrell/reset.c
parent14cde9e96a777f9d75016a13b23fab0480515f58 (diff)
downloadcoreboot-13f1c2af8be2cd7f7e99a678f5d428a65b771811.tar.xz
eric patch
1. x86_setup_mtrr take address bit. 2. generic ht, pcix, pcie beidge... 3. scan bus and reset_bus 4. ht read ctrl to decide if the ht chain is ready 5. Intel e7520 and e7525 support 6. new ich5r support 7. intel sb 6300 support. yhlu patch 1. split x86_setup_mtrrs to fixed and var 2. if (resource->flags & IORESOURCE_FIXED ) return; in device.c pick_largest_resource 3. in_conherent.c K8_SCAN_PCI_BUS git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1982 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/intel/jarrell/reset.c')
-rw-r--r--src/mainboard/intel/jarrell/reset.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/mainboard/intel/jarrell/reset.c b/src/mainboard/intel/jarrell/reset.c
new file mode 100644
index 0000000000..874bfc4848
--- /dev/null
+++ b/src/mainboard/intel/jarrell/reset.c
@@ -0,0 +1,40 @@
+#include <arch/io.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#ifndef __ROMCC__
+#include <device/device.h>
+#define PCI_ID(VENDOR_ID, DEVICE_ID) \
+ ((((DEVICE_ID) & 0xFFFF) << 16) | ((VENDOR_ID) & 0xFFFF))
+#define PCI_DEV_INVALID 0
+
+static inline device_t pci_locate_device(unsigned pci_id, device_t from)
+{
+ return dev_find_device(pci_id >> 16, pci_id & 0xffff, from);
+}
+#endif
+
+void soft_reset(void)
+{
+ outb(0x04, 0xcf9);
+}
+void hard_reset(void)
+{
+ outb(0x02, 0xcf9);
+ outb(0x06, 0xcf9);
+}
+void full_reset(void)
+{
+ device_t dev;
+ /* Enable power on after power fail... */
+ dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801ER_ISA), 0);
+ if (dev != PCI_DEV_INVALID) {
+ unsigned byte;
+ byte = pci_read_config8(dev, 0xa4);
+ byte &= 0xfe;
+ pci_write_config8(dev, 0xa4, byte);
+
+ }
+ outb(0x0e, 0xcf9);
+}
+
+