Hello,nice people:
we are now using Echotek AD 812 ,Midas M3220SR2,and VMFC 4310 to transfer data from AD to vmfc's buffer,but we could only use one channel of the Race++.Now we want to use the two race channels simultaneously .And I do the following function calling:
1st:if((rc = pxb_drv_init(0, NULL)) != PXB_SUCCESS) pxb_err_info("pxb_drv_init",rc);
2nd:if((rc = pxb_smb_attach(RACE_ADDR,RACE_ROUTE,0,RACE_SIZE,0,&my_smb)) != PXB_SUCCESS) pxb_err_info("pxb_smb_attach",rc);
3rd:if((rc = pxb_race2pci_win_set(PXB_ID_PRIMARY, RACE2PCI_WIN_MEM, 0x08000000, RACE_SIZE)) != OK) pxb_err_info("pxb_race2pci_win_set",rc);
4th:if((rc=pxb_race2pci_win_set(PXB_ID_SECONDARY,RACE2PCI_WIN_MEM,0x08000000,RACE_SIZE))!= OK) pxb_err_info("pxb_race2pci_win_set_secondary", rc);
but unfortunately the 4th function returns error,and results message as follows: !!!!!!!!!! PXB_NO_ACCESS !!!!!!!!!!
some extra message that may be helpful is that we had successfully used one channel of the two race++ channel.
So,my question is :Should I do some other configuration work in bsp or some other file?How could I add the second window for the second PXB?After that ,Should I try some other route code accordingly?
Thank you very much for you valuable help! With Best Regards!
Yours,Sincerely Mei Guodong
the raceInit codes may be helpful as well. //*race_midas.cpp*// #include "stdio.h" #include "race_drv.h"
#include "../Common/CommonDef.h"
#define RACE2PCI_WIN_MEM 0 #define RACE2PCI_WIN_MIO 1 #define RACE2PCI_WIN_IO 2
#define RACE_ADDR (0x00000000) #define RACE_ROUTE (0x00000000) #define RACE_SIZE (128 * 1024 * 1024)
typedef void* PXB_handle; typedef void* PXB_device;
/* functions in lib race_drv.o */
/* extern int sys_pxb_mgr_get_handle(PXB_ID,PXB_handle*,PXB_device*); extern int sys_pxb_race2pci_win_get (PXB_handle,int,uint32_t*,uint32_t*); extern int sys_pxb_race2pci_win_set (PXB_handle,int,uint32_t,uint32_t);
*/
int pxb_race2pci_win_set(PXB_ID,int,uint32_t,uint32_t); int pxb_race2pci_win_get(PXB_ID,int type,uint32_t *pci_base,uint32_t*);
static int pxb_err_info(char *info,int rc) { mPrint("ERROR: \"%s\" returned error 0x%x (%s), %s\n", info,rc,pxb_drv_errstr(rc,0),pxb_drv_errstr(rc,1)); return rc; }
void initRace() { int rc; int count; SMB_handle my_smb = NULL; unsigned long smb_addr; unsigned long smb_route; unsigned long smb_ret_route; unsigned long nbytes;
/***** Initialize driver interface *****/ if((rc = pxb_drv_init(0, NULL)) != PXB_SUCCESS) pxb_err_info("pxb_drv_init",rc);
if((rc=pxb_ioctl(PXB_ID_SECONDARY,PXB_IOCTL_ACCEPT_ACCESS,0))!=OK) pxb_err_info("pxb_ioctl :PXB_IOCTL_ACCEPT_ACCESS",rc);
/***** Set window for traffic from RACEway to PCI *****/ /* BSP 1.2/1.1 */
if((rc = pxb_race2pci_win_set(PXB_ID_PRIMARY, RACE2PCI_WIN_MEM, 0xc0000000, RACE_SIZE)) != OK) pxb_err_info("pxb_race2pci_win_set",rc);
//new added by mgd
if((rc=pxb_race2pci_win_set
(PXB_ID_SECONDARY,RACE2PCI_WIN_MEM,0xc8000000,RACE_SIZE))!= OK) pxb_err_info("pxb_race2pci_win_set_secondary", rc);
//new added by mgd
mPrint("\nRACE++ mapped to 0x%lx\n", 0xc0000000);
return;}
int pxb_race2pci_win_set ( PXB_ID pxbId, int type, uint32_t pci_base, uint32_t pci_size ) { PXB_handle handle=0; PXB_device device=0; int rc;
rc=sys_pxb_mgr_get_handle(pxbId,&handle,&device); if(rc==0) rc=sys_pxb_race2pci_win_set(handle,type,pci_base,pci_size); return rc; }
int pxb_race2pci_win_get ( PXB_ID pxbId, int type, uint32_t *pci_base, uint32_t *pci_size ) { PXB_handle handle=0; PXB_device device=0; int rc;
rc=sys_pxb_mgr_get_handle(pxbId,&handle,&device); if(rc==0) rc=sys_pxb_race2pci_win_get(handle,type,pci_base,pci_size); return rc; }