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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2007 Advanced Micro Devices, Inc.
*
* 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; version 2 of the License.
*
* 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
*/
/*----------------------------------------------------------------------------
* TYPEDEFS, DEFINITIONS AND MACROS
*
*----------------------------------------------------------------------------
*/
/* Single CPU system? */
#if (CONFIG_MAX_PHYSICAL_CPUS == 1)
#define HT_BUILD_NC_ONLY 1
#endif
/* Debugging Options */
#define AMD_DEBUG 1
//#define AMD_DEBUG_ERROR_STOP 1
/*----------------------------------------------------------------------------
* MODULES USED
*
*----------------------------------------------------------------------------
*/
#undef FILECODE
#define FILECODE 0xFF01
#include "comlib.h"
#include "h3gtopo.h"
#include "h3finit.h"
/* include the main HT source file */
#include "h3finit.c"
/*----------------------------------------------------------------------------
* LOCAL FUNCTIONS
*
*----------------------------------------------------------------------------
*/
/* FIXME: Find a better place for these pre-ram functions. */
#define NODE_HT(x) NODE_PCI(x,0)
#define NODE_MP(x) NODE_PCI(x,1)
#define NODE_MC(x) NODE_PCI(x,3)
#define NODE_LC(x) NODE_PCI(x,4)
static u32 get_nodes(void)
{
device_t dev;
u32 nodes;
dev = PCI_DEV(CBB, CDB, 0);
nodes = ((pci_read_config32(dev, 0x60)>>4) & 7) ;
#if CONFIG_MAX_PHYSICAL_CPUS > 8
nodes += (((pci_read_config32(dev, 0x160)>>4) & 7)<<3);
#endif
nodes++;
return nodes;
}
static void enable_apic_ext_id(u32 node)
{
u32 val;
val = pci_read_config32(NODE_HT(node), 0x68);
val |= (HTTC_APIC_EXT_SPUR | HTTC_APIC_EXT_ID | HTTC_APIC_EXT_BRD_CST);
pci_write_config32(NODE_HT(node), 0x68, val);
}
static void setup_link_trans_cntrl()
{
/* FIXME: Not sure that this belongs here but it is HT related */
u32 val;
val = pci_read_config32(NODE_HT(0), 0x68);
val |= 0x00206800; // DSNpReqLimit, LimitCldtCfg, BufRefPri, RespPassPW per BKDG;
pci_write_config32(NODE_HT(0), 0x68, val);
}
/**
* void AMD_CB_EventNotify (u8 evtClass, u16 event, const u8 *pEventData0)
*
* Needs to be fixed to output the debug structures.
*
*/
void AMD_CB_EventNotify (u8 evtClass, u16 event, const u8 *pEventData0)
{
printk_debug("AMD_CB_EventNotify()\n");
printk_debug("event class: %02x event: %04x\n", evtClass, event);
}
/**
* void getAmdTopolist(u8 ***p)
*
* point to the stock topo list array
*
*/
void getAmdTopolist(u8 ***p)
{
*p = (u8 **)amd_topo_list;
}
/**
* void amd_ht_init(struct sys_info *sysinfo)
*
* AMD HT init LinuxBIOS wrapper
*
*/
void amd_ht_init(struct sys_info *sysinfo)
{
AMD_HTBLOCK ht_wrapper = {
NULL, // u8 **topolist;
0, // u8 AutoBusStart;
32, // u8 AutoBusMax;
6, // u8 AutoBusIncrement;
NULL, // BOOL (*AMD_CB_IgnoreLink)();
NULL, // BOOL (*AMD_CB_OverrideBusNumbers)();
NULL, // BOOL (*AMD_CB_ManualBUIDSwapList)();
NULL, // void (*AMD_CB_DeviceCapOverride)();
NULL, // void (*AMD_CB_Cpu2CpuPCBLimits)();
NULL, // void (*AMD_CB_IOPCBLimits)();
NULL, // BOOL (*AMD_CB_SkipRegang)();
NULL, // BOOL (*AMD_CB_CustomizeTrafficDistribution)();
NULL, // BOOL (*AMD_CB_CustomizeBuffers)();
NULL, // void (*AMD_CB_OverrideDevicePort)();
NULL, // void (*AMD_CB_OverrideCpuPort)();
AMD_CB_EventNotify // void (*AMD_CB_EventNotify) ();
};
printk_debug("Enter amd_ht_init()\n");
amdHtInitialize(&ht_wrapper);
printk_debug("Exit amd_ht_init()\n");
}
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