Add support for the MSI K9ND Master Series (ms9282) board.

Signed-off-by: Bingxun Shi <bingxunshi@gmail.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2552 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/mainboard/msi/ms9282/get_bus_conf.c b/src/mainboard/msi/ms9282/get_bus_conf.c
new file mode 100644
index 0000000..a446e89
--- /dev/null
+++ b/src/mainboard/msi/ms9282/get_bus_conf.c
@@ -0,0 +1,168 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2006 AMD
+ * Written by Yinghai Lu <yinghailu@amd.com> for AMD.
+ *
+ * Copyright (C) 2006 MSI
+ * Written by Bingxun Shi <bingxunshi@gmail.com> for MSI.
+ *
+ * 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>
+
+#include "mb_sysconf.h"
+
+// Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
+struct mb_sysconf_t mb_sysconf;
+
+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,
+};
+
+
+extern void get_sblk_pci1234(void);
+
+static unsigned get_bus_conf_done = 0;
+
+static unsigned get_hcid(unsigned i)
+{
+        unsigned id = 0;
+
+        unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff;
+
+        unsigned devn = sysconf.hcdn[i] & 0xff;
+
+        device_t dev;
+
+        dev = dev_find_slot(busn, PCI_DEVFN(devn,0));
+
+        switch (dev->device) {
+        case 0x0369: //IO55
+                id = 4;
+                break;
+        }
+
+        // we may need more way to find out hcid: subsystem id? GPIO read ?
+
+        // we need use id for 1. bus num, 2. mptable, 3. acpi table
+
+        return id;
+}
+
+void get_bus_conf(void)
+{
+
+       unsigned apicid_base;
+       struct mb_sysconf_t *m;
+
+        device_t dev;
+        int i, j;
+
+        if(get_bus_conf_done==1) return; //do it only once
+
+        get_bus_conf_done = 1;
+
+       sysconf.mb = &mb_sysconf;
+
+       m = sysconf.mb;
+       memset(m, 0, sizeof(struct mb_sysconf_t));
+
+        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
+
+       m->bus_type[0] = 1; //pci
+
+       m->bus_mcp55[0] = (sysconf.pci1234[0] >> 16) & 0xff;
+
+                /* MCP55 */
+                dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x06,0));
+                if (dev) {
+                        m->bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sysconf.sbdn + 0x06);
+                }
+
+               for(i=2; i<8;i++) {
+                       dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x0a + i - 2 , 0));
+                       if (dev) {
+                               m->bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                       }
+                       else {
+                               printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_mcp55[0], sysconf.sbdn + 0x0a + i - 2 );
+                       }
+               }
+
+       for(i=0; i< sysconf.hc_possible_num; i++) {
+               if(!(sysconf.pci1234[i] & 0x1) ) continue;
+
+                unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff;
+                unsigned busn_max = (sysconf.pci1234[i] >> 24) & 0xff;
+               for (j = busn; j <= busn_max; j++)
+                       m->bus_type[j] = 1;
+               if(m->bus_isa <= busn_max)
+                       m->bus_isa = busn_max + 1;
+               printk_debug("i=%d bus range: [%x, %x] bus_isa=%x\n",i, busn, busn_max, m->bus_isa);
+       }
+
+
+
+/*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
+       m->apicid_mcp55 = apicid_base+0;
+
+}