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uboot-1.1.4-kirkwood/board/mv_feroceon/USP/mv_pci.c
Olaf Rempel ac82ba9f6b u-boot-1.1.4_for_kw
2024-01-09 13:43:28 +01:00

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/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
/*******************************************************************************
Copyright (C) Marvell International Ltd. and its affiliates
********************************************************************************
Marvell GPL License Option
If you received this File from Marvell, you may opt to use, redistribute and/or
modify this File in accordance with the terms and conditions of the General
Public License Version 2, June 1991 (the "GPL License"), a copy of which is
available along with the File in the license.txt file or by writing to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
DISCLAIMED. The GPL License provides additional details about this warranty
disclaimer.
*******************************************************************************/
/* PCI.c - PCI functions */
#include <common.h>
#include <config.h>
#include <command.h>
#if (CONFIG_COMMANDS & CFG_CMD_PCI)
#include <pci.h>
#include "pci-if/mvPciIf.h"
#include "mvCpuIf.h"
#include "pci-if/pci_util/mvPciUtils.h"
#ifdef DEBUG
#define DB(x) x
#else
#define DB(x)
#endif /* DEBUG */
/* global definetion */
#define REG_NUM_MASK (0x3F << 2)
/* global indicate wether we are in the scan process */
unsigned int bus_scan = 0;
extern unsigned int whoAmI(void);
#if CONFIG_COMMANDS & CFG_CMD_BSP
/******************************************************************************
* Category - PCI0
* Functionality- Scans PCI0 for devices and prints relevant information
* Need modifications (Yes/No) - No
*****************************************************************************/
MV_BOOL scanPci(MV_U32 host)
{
MV_U32 index,numOfElements=4*8,barIndex;
MV_PCI_DEVICE pciDevices[4*8]; //3 slots and us,Max 8 functions per slot
memset (&pciDevices,0,12*sizeof(MV_PCI_DEVICE));
if (mvPciScan(host, pciDevices , &numOfElements) != MV_OK )
{
DB(printf("scanPci:mvPciScan failed for host %d \n",host));
return MV_FALSE;
}
for(index = 0; index < numOfElements ; index++)
{
printf("\nBus: %x Device: %x Func: %x Vendor ID: %x Device ID: %x\n",
pciDevices[index].busNumber,
pciDevices[index].deviceNum,
pciDevices[index].function,
pciDevices[index].venID,
pciDevices[index].deviceID);
printf("-------------------------------------------------------------------\n");
printf("Class: %s\n",pciDevices[index].type);
/* check if we are bridge*/
if ((pciDevices[index].baseClassCode == PCI_BRIDGE_CLASS)&&
(pciDevices[index].subClassCode == P2P_BRIDGE_SUB_CLASS_CODE))
{
printf("Primary Bus:0x%x \tSecondary Bus:0x%x \tSubordinate Bus:0x%x\n",
pciDevices[index].p2pPrimBusNum,
pciDevices[index].p2pSecBusNum,
pciDevices[index].p2pSubBusNum);
printf("IO Base:0x%x \t\tIO Limit:0x%x",pciDevices[index].p2pIObase,
pciDevices[index].p2pIOLimit);
(pciDevices[index].bIO32)? (printf(" (32Bit IO)\n")):
(printf(" (16Bit IO)\n"));
printf("Memory Base:0x%x \tMemory Limit:0x%x\n",pciDevices[index].p2pMemBase,
pciDevices[index].p2pMemLimit);
printf("Pref Memory Base:0x%x \tPref Memory Limit:0x%x",
pciDevices[index].p2pPrefMemBase,
pciDevices[index].p2pPrefMemLimit);
(pciDevices[index].bPrefMem64)? (printf(" (64Bit PrefMem)\n")):
(printf(" (32Bit PrefMem)\n"));
if (pciDevices[index].bPrefMem64)
{
printf("Pref Base Upper 32bit:0x%x \tPref Limit Base Upper32 bit:0x%x\n",
pciDevices[index].p2pPrefBaseUpper32Bits,
pciDevices[index].p2pPrefLimitUpper32Bits);
}
}
for (barIndex = 0 ; barIndex < pciDevices[index].barsNum ; barIndex++)
{
if (pciDevices[index].pciBar[barIndex].barType == PCI_64BIT_BAR)
{
printf("PCI_BAR%d (%s-%s) base: %x%08x%s",barIndex,
(pciDevices[index].pciBar[barIndex].barMapping == PCI_MEMORY_BAR)?"Mem":"I/O",
"64bit",
pciDevices[index].pciBar[barIndex].barBaseHigh,
pciDevices[index].pciBar[barIndex].barBaseLow,
(pciDevices[index].pciBar[barIndex].barBaseLow == 0)?"\t\t":"\t");
}
else if (pciDevices[index].pciBar[barIndex].barType == PCI_32BIT_BAR)
{
printf("PCI_BAR%d (%s-%s) base: %x%s",barIndex,
(pciDevices[index].pciBar[barIndex].barMapping == PCI_MEMORY_BAR)?"Mem":"I/O",
"32bit",
pciDevices[index].pciBar[barIndex].barBaseLow,
(pciDevices[index].pciBar[barIndex].barBaseLow == 0)?"\t\t\t":"\t\t");
}
if(pciDevices[index].pciBar[barIndex].barSizeHigh != 0)
printf("size: %d%08d bytes\n",pciDevices[index].pciBar[barIndex].barSizeHigh,
pciDevices[index].pciBar[barIndex].barSizeLow);
else
printf("size: %d bytes\n", pciDevices[index].pciBar[barIndex].barSizeLow);
}
}
return MV_TRUE;
}
int sp_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
MV_U32 host = 0;
if (argc > 1) {
host = simple_strtoul (argv[1], NULL, 10);
}
if(host >= mvCtrlPexMaxIfGet()){
printf("PCI %d doesn't exist\n",host);
return 1;
}
if( scanPci(host) == MV_FALSE)
printf("PCI %d Scan - FAILED!!.\n",host);
return 1;
}
U_BOOT_CMD(
sp, 2, 1, sp_cmd,
"sp - Scan PCI bus.\n",
" [0/1] \n"
"\tScan and detecect all devices on mvPCI bus 0/1 \n"
"\t(This command can be used only if enaMonExt is set!)\n"
);
int me_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
MV_U32 host = 0;
if (argc > 1)
{
host = simple_strtoul (argv[1], NULL, 10);
}
if(host >= mvCtrlPexMaxIfGet())
{
printf("Master %d doesn't exist\n",host);
return 1;
}
if(mvPciIfMasterEnable(host,MV_TRUE) == MV_OK)
printf("PCI %d Master enabled.\n",host);
else
printf("PCI %d Master enabled -FAILED!!\n",host);
return 1;
}
U_BOOT_CMD(
me, 2, 1, me_cmd,
"me - PCI master enable\n",
" [0/1] \n"
"\tEnable the MV device as Master on PCI 0/1. \n"
);
int se_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
MV_U32 host=0,dev = 0,bus=0;
if(argc != 4)
{
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
host = simple_strtoul (argv[1], NULL, 10);
bus = simple_strtoul (argv[2], NULL, 16);
dev = simple_strtoul (argv[3], NULL, 16);
if(host >= mvCtrlPexMaxIfGet())
{
printf("PCI %d doesn't exist\n",host);
return 1;
}
if(mvPciIfSlaveEnable(host,bus,dev,MV_TRUE) == MV_OK )
printf("PCI %d Bus %d Slave 0x%x enabled.\n",host,bus,dev);
else
printf("PCI %d Bus %d Slave 0x%x enabled - FAILED!!.\n",host,bus,dev);
return 1;
}
U_BOOT_CMD(
se, 4, 1, se_cmd,
"se - PCI Slave enable\n",
" [0/1] bus dev \n"
"\tEnable the PCI device as Slave on PCI 0/1. \n"
);
/******************************************************************************
* Functionality- The commands changes the pci remap register and displays the
* address to be used in order to access PCI 0.
*****************************************************************************/
int mapPci_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
MV_ADDR_WIN pciWin;
MV_TARGET target=0;
MV_U32 host=0,effectiveBaseAddress=0;
pciWin.baseLow=0;
pciWin.baseHigh=0;
if (argc > 1) {
host = simple_strtoul(argv[1], NULL, 10);
}
if(argc > 2) {
pciWin.baseLow = simple_strtoul(argv[2], NULL, 16);
}
if(host >= mvCtrlPexMaxIfGet()){
printf("PCI %d doesn't exist\n",host);
return 1;
}
target = PCI0_MEM0 + (2 * host);
printf("mapping pci %x to address 0x%x\n",host,pciWin.baseLow);
#if defined(MV_INCLUDE_PEX) || defined(MV_INCLUDE_PCI)
effectiveBaseAddress = mvCpuIfPciIfRemap(target,&pciWin);
#endif
if ( effectiveBaseAddress == 0xffffffff)
{
printf("Error remapping\n");
return 1;
}
printf("PCI %x Access base address : %x\n",host,effectiveBaseAddress);
return 1;
}
U_BOOT_CMD(
mp, 3, 1, mapPci_cmd,
"mp - map PCI BAR\n",
" [0/1] address \n"
"\tChange the remap of PCI 0/1 window 0 to address 'addrress'.\n"
"\tIt also displays the new access address, since the remap is not always\n"
"\tthe same as requested. \n"
);
#endif
MV_U32 mv_mem_ctrl_dev(MV_U32 pciIf, MV_U32 bus,MV_U32 dev)
{
MV_U32 ven, class;
ven = mvPciIfConfigRead(pciIf,bus,dev,0,PCI_VENDOR_ID) & 0xffff;
class = (mvPciIfConfigRead(pciIf,bus,dev,0,PCI_REVISION_ID) >> 16 ) & 0xffff;
/* if we got any other Marvell PCI cards ignore it. */
if(((ven == 0x11ab) && (class == PCI_CLASS_MEMORY_OTHER))||
((ven == 0x11ab) && (class == PCI_CLASS_BRIDGE_HOST)))
{
return 1;
}
return 0;
}
static int mv_read_config_dword(struct pci_controller *hose,
pci_dev_t dev,
int offset, u32* value)
{
MV_U32 bus,func,regOff,dev_no;
char *env;
bus = PCI_BUS(dev);
dev_no = PCI_DEV(dev);
func = (MV_U32)PCI_FUNC(dev);
regOff = (MV_U32)offset & REG_NUM_MASK;
/* We will scan only ourselves and the PCI slots that exist on the
board, because we may have a case that we have one slot that has
a Cardbus connector, and because CardBus answers all IDsels we want
to scan only this slot and ourseleves.
*/
#if defined(MV_INCLUDE_PCI)
env = getenv("pciMode");
if ((PCI_IF_TYPE_CONVEN_PCIX == mvPciIfTypeGet((MV_U32)hose->cfg_addr)) &&
((strcmp(env,"host") == 0) || (strcmp(env,"Host") == 0)))
{
if ( !mvBoardIsOurPciSlot(bus, dev_no) &&
(mvBoardIdGet() != DB_88F5181_DDR1_MNG) &&
(DB_88F5181_DDR1_PRPMC != mvBoardIdGet()) &&
(DB_88F5181_DDR1_PEXPCI != mvBoardIdGet()))
{
*value = 0xffffffff;
return 0;
}
}
#endif /* defined(MV_INCLUDE_PCI) */
if( bus_scan == 1 )
{
env = getenv("disaMvPnp");
if(env && ( (strcmp(env,"yes") == 0) || (strcmp(env,"Yes") == 0) ) )
{
if( mv_mem_ctrl_dev((MV_U32)hose->cfg_addr, bus, dev_no) )
{
*value = 0xffffffff;
return 0;
}
}
}
DB(printf("mv_read_config_dword hose->cfg_addr %x\n",hose->cfg_addr);)
DB(printf("mv_read_config_dword bus %x\n",bus);)
DB(printf("mv_read_config_dword dev_no %x\n",dev_no);)
DB(printf("mv_read_config_dword func %x\n",func);)
DB(printf("mv_read_config_dword regOff %x\n",regOff);)
*value = (u32) mvPciIfConfigRead((MV_U32)hose->cfg_addr,bus,dev_no,func,regOff);
DB(printf("mv_read_config_dword value %x\n",*value);)
return 0;
}
static int mv_write_config_dword(struct pci_controller *hose,
pci_dev_t dev,
int offset, u32 value)
{
MV_U32 bus,func,regOff,dev_no;
bus = PCI_BUS(dev);
dev_no = PCI_DEV(dev);
func = (MV_U32)PCI_FUNC(dev);
regOff = offset & REG_NUM_MASK;
mvPciIfConfigWrite((MV_U32)hose->cfg_addr,bus,dev_no,func,regOff,value);
return 0;
}
static void mv_setup_ide(struct pci_controller *hose,
pci_dev_t dev, struct pci_config_table *entry)
{
static const int ide_bar[]={8,4,8,4,16,1024};
u32 bar_response, bar_value;
int bar;
for (bar=0; bar<6; bar++)
{
/*ronen different function for 3rd bank.*/
unsigned int offset = (bar < 2)? bar*8: 0x100 + (bar-2)*8;
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0 + offset, 0x0);
pci_read_config_dword(dev, PCI_BASE_ADDRESS_0 + offset, &bar_response);
pciauto_region_allocate(bar_response & PCI_BASE_ADDRESS_SPACE_IO ?
hose->pci_io : hose->pci_mem, ide_bar[bar], &bar_value);
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0 + bar*4, bar_value);
}
}
static void mv_setup_host(struct pci_controller *hose,
pci_dev_t dev, struct pci_config_table *entry)
{
//skip our host
DB(printf("skipping :bus=%x dev=%x fun=%x\n",
(unsigned int)PCI_BUS(dev),
(unsigned int)PCI_DEV(dev),
(unsigned int)PCI_FUNC(dev)));
return;
}
static void mv_pci_bus_mode_display(MV_U32 host)
{
if (PCI_IF_TYPE_PEX == mvPciIfTypeGet(host))
{
#if defined(MV_INCLUDE_PEX)
MV_PEX_MODE pexMode;
if (mvPexModeGet(mvPciRealIfNumGet(host),&pexMode) != MV_OK)
{
printf("mv_pci_bus_mode_display: mvPexModeGet failed\n");
}
switch (pexMode.pexType)
{
case MV_PEX_ROOT_COMPLEX:
printf("PEX %d: PCI Express Root Complex Interface\n",host);
break;
case MV_PEX_END_POINT:
printf("PEX %d: PCI Express End Point Interface\n",host);
break;
}
if (!(pexMode.pexLinkUp))
{
printf("PEX interface detected no Link.\n");
}
else
{
if (MV_PEX_WITDH_X1 == pexMode.pexWidth)
{
printf("PEX interface detected Link X1\n");
}
else
{
printf("PEX interface detected Link X4\n");
}
}
return ;
#endif /* MV_INCLUDE_PEX */
}
if (PCI_IF_TYPE_CONVEN_PCIX == mvPciIfTypeGet(host))
{
#if defined(MV_INCLUDE_PCI)
MV_PCI_MODE pciMode;
if (mvPciModeGet(mvPciRealIfNumGet(host),&pciMode) != MV_OK)
{
printf("mv_pci_bus_mode_display: mvPciIfModeGet failed\n");
}
switch (pciMode.pciType)
{
case MV_PCI_CONV:
printf("PCI %d: Conventional PCI",host);
break;
case MV_PCIX:
printf("PCI %d: PCI-X",host);
break;
default:
printf("PCI %d: Unknown",host);
return;
break;
}
printf(", speed = %d\n",pciMode.pciSpeed);
#endif /* #if defined(MV_INCLUDE_PCI) */
}
}
struct pci_config_table mv_config_table[] = {
{ PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE,
PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, mv_setup_ide},
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, mv_setup_host}, //PCI host
{}
};
/* Defines for more modularity of the pci_init_board function */
struct pci_controller pci_hose[8];
#if (MV_PCI_IF_MAX_IF == 2)
#define PCI_IF_MEM(pciIf) ((pciIf==0)?PCI_IF0_MEM0:PCI_IF1_MEM0)
#define PCI_IF_REMAPED_MEM_BASE(pciIf) ((pciIf==0)?PCI_IF0_REMAPED_MEM_BASE:PCI_IF1_REMAPED_MEM_BASE)
#define PCI_IF_MEM_BASE(pciIf) ((pciIf==0)?PCI_IF0_MEM0_BASE:PCI_IF1_MEM0_BASE)
#define PCI_IF_MEM_SIZE(pciIf) ((pciIf==0)?PCI_IF0_MEM0_SIZE:PCI_IF1_MEM0_SIZE)
#define PCI_IF_IO_BASE(pciIf) ((pciIf==0)?PCI_IF0_IO_BASE:PCI_IF1_IO_BASE)
#define PCI_IF_IO_SIZE(pciIf) ((pciIf==0)?PCI_IF0_IO_SIZE:PCI_IF1_IO_SIZE)
#else
#define PCI_IF_MEM(pciIf) (PCI_IF0_MEM0)
#define PCI_IF_REMAPED_MEM_BASE(pciIf) (PCI_IF0_REMAPED_MEM_BASE)
#define PCI_IF_MEM_BASE(pciIf) (PCI_IF0_MEM0_BASE)
#define PCI_IF_MEM_SIZE(pciIf) (PCI_IF0_MEM0_SIZE)
#define PCI_IF_IO_BASE(pciIf) (PCI_IF0_IO_BASE)
#define PCI_IF_IO_SIZE(pciIf) (PCI_IF0_IO_SIZE)
#endif
/* because of CIV tem needs we are gonna do a remap to PCI memory */
#define PCI_IF0_REMAPED_MEM_BASE 0x40000000
#define PCI_IF1_REMAPED_MEM_BASE 0x40000000
void
pci_init_board(void)
{
MV_U32 pciIfNum = mvCtrlPexMaxIfGet();
MV_U32 pciIf=0;
MV_ADDR_WIN rempWin;
char *env;
int first_busno=0;
int status;
MV_CPU_DEC_WIN cpuAddrDecWin;
PCI_IF_MODE pciIfMode = PCI_IF_MODE_HOST;
int pciIfStart = 0;
int pciIfAccess[2] = {0,0};
int i = 0;
char str[30];
if(pciIfNum == 0)
return;
env = getenv("disaMvPnp");
if(env && ( (strcmp(env,"yes") == 0) || (strcmp(env,"Yes") == 0) ) )
printf("Warning: skip configuration of Marvell devices!!!\n");
#if defined(MV_INCLUDE_PEX) && defined(MV78XX0)
/* Power down the none lanes 0.1, 0.2, and 0.3 if PEX0 is X4 */
if ( !(PCI0_IS_QUAD_X1) )
{
for (pciIf = 1; pciIf < 4; pciIf++)
mvCtrlPwrClckSet(PEX_UNIT_ID, mvPciRealIfNumGet(pciIf),MV_FALSE);
}
/* Power down the none lanes 1.1, 1.2, and 1.3 if PEX1 is X4 */
if ( !(PCI1_IS_QUAD_X1) )
{
for (pciIf = 5; pciIf < 8; pciIf++)
mvCtrlPwrClckSet(PEX_UNIT_ID, mvPciRealIfNumGet(pciIf),MV_FALSE);
}
#endif
#ifdef MV78200
#if defined(DUAL_OS_78200)
/* Check CPU access to PEX */
if(mvSocUnitIsMappedToThisCpu(PEX00))
pciIfAccess[0] = 1;
if(mvSocUnitIsMappedToThisCpu(PEX10))
pciIfAccess[1] = 1;
#if !defined(MV632X)
/* Calc pci If start and last */
pciIfNum = 0;
for(i=1; i >= 0 ; i--)
{
if(pciIfAccess[i] == 1)
{
pciIfStart = (i * 4);
pciIfNum += 4;
}
}
pciIfNum += pciIfStart;
#endif
#endif
#endif
/* start pci scan */
for (pciIf = pciIfStart; pciIf < pciIfNum; pciIf++)
{
pci_hose[pciIf].config_table = mv_config_table;
if (PCI_IF_TYPE_PEX == mvPciIfTypeGet(pciIf))
{
if (MV_FALSE == mvCtrlPwrClckGet(PEX_UNIT_ID, mvPciRealIfNumGet(pciIf)))
{
continue;
}
}
#if defined(MV_INCLUDE_PCI)
else
{
if (MV_FALSE == mvCtrlPwrClckGet(PCI_UNIT_ID, mvPciRealIfNumGet(pciIf)))
{
continue;
}
}
#endif
/* device or host ? */
if (PCI_IF_TYPE_PEX == mvPciIfTypeGet(pciIf))
{
#if defined(MV_INCLUDE_PEX)
#if !defined(MV_88F6183) && !defined(MV_88F6183L) && !defined(MV_88F6082) && !defined(MV88F6281) && \
!defined(MV88F6192) && !defined(MV88F6180) && !defined(MV88F6190) && !defined(MV88F6282)
MV_PEX_MODE pexMode;
if (mvPexModeGet(mvPciRealIfNumGet(pciIf),&pexMode) != MV_OK)
{
printf("pci_init_board: mvPexModeGet failed\n");
}
if (MV_PEX_ROOT_COMPLEX == pexMode.pexType)
pciIfMode = PCI_IF_MODE_HOST;
else
pciIfMode = PCI_IF_MODE_DEVICE;
#else
/* Set pex mode incase S@R not exist */
env = getenv("pexMode");
if( env && ( ((strcmp(env,"EP") == 0) || (strcmp(env,"ep") == 0) )))
{
pciIfMode = PCI_IF_MODE_DEVICE;
}
else
{
pciIfMode = PCI_IF_MODE_HOST;
}
#endif
#endif
}
else /* PCI */
{
#if defined(MV_INCLUDE_PCI)
char *env;
env = getenv("pciMode");
if((!env) || (strcmp(env,"host") == 0) || (strcmp(env,"Host") == 0) )
{
pciIfMode = PCI_IF_MODE_HOST;
}
else
{
pciIfMode = PCI_IF_MODE_DEVICE;
}
#endif
}
#ifdef MV78200
if ((pciIf == 0 && !mvSocUnitIsMappedToThisCpu(PEX00)) ||
(pciIf == 4 && !mvSocUnitIsMappedToThisCpu(PEX10)))
continue;
else
#endif
{
if ((status = mvPciIfInit(pciIf, pciIfMode)) == MV_ERROR)
{
printf("pci_init_board:Error calling mvPciIfInit for pciIf %d\n",pciIf);
}
else
{
if (status == MV_OK)
mv_pci_bus_mode_display(pciIf);
else
{
/* Interface with no link */
printf("PEX %d: interface detected no Link.\n", pciIf);
continue;
}
}
}
if (PCI_IF_TYPE_CONVEN_PCIX == mvPciIfTypeGet(pciIf))
{
#if defined(MV_INCLUDE_PCI)
if(enaMonExt())
{
/* WA for first PCI interface */
/* mvPciWaFix(mvPciRealIfNumGet(pciIf)); */
}
#endif /* MV_INCLUDE_PCI */
if (pciIfMode == PCI_IF_MODE_DEVICE)
{
mvPciIfLocalDevNumSet(pciIf, 0x1f);
}
}
#if defined(DB_PRPMC)
mvPciIfLocalDevNumSet(pciIf, 0x1f);
#endif
/* start Uboot PCI scan */
if (pciIf == 0)
pci_hose[pciIf].first_busno = 0;
else
pci_hose[pciIf].first_busno = pci_hose[pciIf-1].last_busno + 1;
/* start Uboot PCI scan */
pci_hose[pciIf].current_busno = pci_hose[pciIf].first_busno;
pci_hose[pciIf].last_busno = 0xff;
if (mvPciIfLocalBusNumSet(pciIf,pci_hose[pciIf].first_busno) != MV_OK)
{
printf("pci_init_board:Error calling mvPciIfLocalBusNumSet for pciIf %d\n",pciIf);
}
/* If no link on the interface it will not be scan */
if (status == MV_NO_SUCH)
{
pci_hose[pciIf].last_busno =pci_hose[pciIf].first_busno;
continue;
}
#ifdef PCI_DIS_INTERFACE
/* The disable interface will not be scan */
if (pciIf == PCI_DIS_INTERFACE)
{
printf("***Interface is disable***\n");
pci_hose[pciIf].last_busno =pci_hose[pciIf].first_busno;
continue;
}
#endif
if (MV_OK != mvCpuIfTargetWinGet(PCI_MEM(pciIf, 0), &cpuAddrDecWin))
{
printf("%s: ERR. mvCpuIfTargetWinGet failed\n", __FUNCTION__);
return ;
}
rempWin.baseLow = ((cpuAddrDecWin.addrWin.baseLow & 0x0fffffff) | PCI_IF_REMAPED_MEM_BASE(pciIf));
rempWin.baseHigh = 0;
/* perform a remap for the PEX0 interface*/
if (0xffffffff == mvCpuIfPciIfRemap(PCI_MEM(pciIf, 0),&rempWin))
{
printf("%s:mvCpuIfPciIfRemap failed\n",__FUNCTION__);
return;
}
/* PCI memory space */
pci_set_region(pci_hose[pciIf].regions + 0,
rempWin.baseLow, /* bus address */
cpuAddrDecWin.addrWin.baseLow,
cpuAddrDecWin.addrWin.size,
PCI_REGION_MEM);
if (MV_OK != mvCpuIfTargetWinGet(PCI_IO(pciIf), &cpuAddrDecWin))
{
/* No I/O space */
pci_hose[pciIf].region_count = 1;
}
else
{
/* PCI I/O space */
pci_set_region(pci_hose[pciIf].regions + 1,
cpuAddrDecWin.addrWin.baseLow,
cpuAddrDecWin.addrWin.baseLow,
cpuAddrDecWin.addrWin.size,
PCI_REGION_IO);
pci_hose[pciIf].region_count = 2;
}
pci_set_ops(&pci_hose[pciIf],
pci_hose_read_config_byte_via_dword,
pci_hose_read_config_word_via_dword,
mv_read_config_dword,
pci_hose_write_config_byte_via_dword,
pci_hose_write_config_word_via_dword,
mv_write_config_dword);
pci_hose[pciIf].cfg_addr = (unsigned int*) pciIf;
pci_hose[pciIf].config_table[1].bus = mvPciIfLocalBusNumGet(pciIf);
pci_hose[pciIf].config_table[1].dev = mvPciIfLocalDevNumGet(pciIf);
pci_register_hose(&pci_hose[pciIf]);
if (pciIfMode == PCI_IF_MODE_HOST)
{
MV_U32 pciData=0,baseClassCode=0,subClassCode;
bus_scan = 1;
pci_hose[pciIf].last_busno = pci_hose_scan(&pci_hose[pciIf]);
bus_scan = 0;
pciData = mvPciIfConfigRead(pciIf,pci_hose[pciIf].first_busno,1,0, PCI_CLASS_CODE_AND_REVISION_ID);
baseClassCode = (pciData & PCCRIR_BASE_CLASS_MASK) >> PCCRIR_BASE_CLASS_OFFS;
subClassCode = (pciData & PCCRIR_SUB_CLASS_MASK) >> PCCRIR_SUB_CLASS_OFFS;
if ((baseClassCode == PCI_BRIDGE_CLASS) &&
(subClassCode == P2P_BRIDGE_SUB_CLASS_CODE))
{
mvPciIfConfigWrite(pciIf,pci_hose[pciIf].first_busno,1,0,P2P_MEM_BASE_LIMIT,pciData);
/* In rthe bridge : We want to open its memory and
IO to the maximum ! after the u-boot Scan */
/* first the IO */
pciData = mvPciIfConfigRead(pciIf,pci_hose[pciIf].first_busno,1,0,P2P_IO_BASE_LIMIT_SEC_STATUS);
/* keep the secondary status */
pciData &= PIBLSS_SEC_STATUS_MASK;
/* set to the maximum - 0 - 0xffff */
pciData |= 0xff00;
mvPciIfConfigWrite(pciIf,pci_hose[pciIf].first_busno,1,0,P2P_IO_BASE_LIMIT_SEC_STATUS,pciData);
/* the the Memory */
pciData = mvPciIfConfigRead(pciIf,pci_hose[pciIf].first_busno,1,0,P2P_MEM_BASE_LIMIT);
/* set to the maximum - PCI_IF_REMAPED_MEM_BASE(pciIf) - 0xf000000 */
pciData = 0xEFF00000 | (PCI_IF_REMAPED_MEM_BASE(pciIf) >> 16);
mvPciIfConfigWrite(pciIf,pci_hose[pciIf].first_busno,1,0,P2P_MEM_BASE_LIMIT,pciData);
}
}
else /* PCI_IF_MODE_HOST */
{
pci_hose[pciIf].last_busno = pci_hose[pciIf].first_busno;
}
first_busno = pci_hose[pciIf].last_busno + 1;
}
#ifdef DB_FPGA
MV_REG_BIT_RESET(PCI_BASE_ADDR_ENABLE_REG(0), BIT10);
#endif
}
#endif /* CONFIG_PCI */
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