aboutsummaryrefslogtreecommitdiff
path: root/src/mainboard/gigabyte/ga_2761gxdk/get_bus_conf.c
diff options
context:
space:
mode:
authorUwe Hermann <uwe@hermann-uwe.de>2007-10-30 15:58:59 +0000
committerUwe Hermann <uwe@hermann-uwe.de>2007-10-30 15:58:59 +0000
commit7cc3bf319a2f3c517faa16137c51bc9eac5ccb00 (patch)
tree5353651dc69fe57d571fb5f9a16d8470d89e158f /src/mainboard/gigabyte/ga_2761gxdk/get_bus_conf.c
parent418bc919d0e6e1b2b2688dd6f61fe6a378454017 (diff)
Rename the SiS761GX/SiS966 board to the correct name, GIGABYTE GA-2761GXDK.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Jordan Crouse <jordan.crouse@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2908 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/gigabyte/ga_2761gxdk/get_bus_conf.c')
-rw-r--r--src/mainboard/gigabyte/ga_2761gxdk/get_bus_conf.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/src/mainboard/gigabyte/ga_2761gxdk/get_bus_conf.c b/src/mainboard/gigabyte/ga_2761gxdk/get_bus_conf.c
new file mode 100644
index 0000000000..d8b0c0ab5a
--- /dev/null
+++ b/src/mainboard/gigabyte/ga_2761gxdk/get_bus_conf.c
@@ -0,0 +1,148 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 AMD
+ * Written by Yinghai Lu <yinghailu@amd.com> for AMD.
+ * Copyright (C) 2007 Silicon Integrated Systems Corp. (SiS)
+ * Written by Morgan Tsai <my_tsai@sis.com> for SiS.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <string.h>
+#include <stdint.h>
+#if CONFIG_LOGICAL_CPUS==1
+#include <cpu/amd/dualcore.h>
+#endif
+
+#include <cpu/amd/amdk8_sysconf.h>
+
+
+// Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
+//busnum is default
+ unsigned char bus_isa;
+ unsigned char bus_sis966[8]; //1
+ unsigned apicid_sis966;
+
+
+unsigned pci1234x[] =
+{ //Here you only need to set value in pci1234 for HT-IO that could be installed or not
+ //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
+ 0x0000ff0,
+// 0x0000ff0,
+// 0x0000ff0,
+// 0x0000ff0,
+// 0x0000ff0,
+// 0x0000ff0,
+// 0x0000ff0,
+// 0x0000ff0
+};
+unsigned hcdnx[] =
+{ //HT Chain device num, actually it is unit id base of every ht device in chain, assume every chain only have 4 ht device at most
+ 0x20202020,
+// 0x20202020,
+// 0x20202020,
+// 0x20202020,
+// 0x20202020,
+// 0x20202020,
+// 0x20202020,
+// 0x20202020,
+};
+unsigned bus_type[256];
+
+extern void get_sblk_pci1234(void);
+
+static unsigned get_bus_conf_done = 0;
+
+void get_bus_conf(void)
+{
+
+ unsigned apicid_base;
+ unsigned sbdn;
+
+ device_t dev;
+ int i, j;
+
+ if(get_bus_conf_done==1) return; //do it only once
+
+ get_bus_conf_done = 1;
+
+ sysconf.hc_possible_num = sizeof(pci1234x)/sizeof(pci1234x[0]);
+ for(i=0;i<sysconf.hc_possible_num; i++) {
+ sysconf.pci1234[i] = pci1234x[i];
+ sysconf.hcdn[i] = hcdnx[i];
+ }
+
+ get_sblk_pci1234();
+
+ sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain
+ sbdn = sysconf.sbdn;
+
+ for(i=0; i<8; i++) {
+ bus_sis966[i] = 0;
+ }
+
+ for(i=0;i<256; i++) {
+ bus_type[i] = 0;
+ }
+
+ bus_type[0] = 1; //pci
+
+ bus_sis966[0] = (sysconf.pci1234[0] >> 16) & 0xff;
+
+ bus_type[bus_sis966[0]] = 1;
+
+ /* SIS966 */
+ dev = dev_find_slot(bus_sis966[0], PCI_DEVFN(sbdn + 0x06,0));
+ if (dev) {
+ bus_sis966[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ bus_sis966[2] = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+ bus_sis966[2]++;
+ for(j=bus_sis966[1];j<bus_sis966[2]; j++) bus_type[j] = 1;
+ }
+ else {
+ printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x06);
+
+ bus_sis966[1] = 2;
+ bus_sis966[2] = 3;
+ }
+
+ for(i=2; i<8;i++) {
+ dev = dev_find_slot(bus_sis966[0], PCI_DEVFN(sbdn + 0x0a + i - 2 , 0));
+ if (dev) {
+ bus_sis966[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+ bus_isa++;
+ for(j=bus_sis966[i];j<bus_isa; j++) bus_type[j] = 1;
+ }
+ else {
+ printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_sis966[0], sbdn + 0x0a + i - 2 );
+ bus_isa = bus_sis966[i-1]+1;
+ }
+ }
+
+
+/*I/O APICs: APIC ID Version State Address*/
+#if CONFIG_LOGICAL_CPUS==1
+ apicid_base = get_apicid_base(1);
+#else
+ apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
+#endif
+ apicid_sis966 = apicid_base+0;
+
+}