URL
https://opencores.org/ocsvn/pcie_ds_dma/pcie_ds_dma/trunk
Subversion Repositories pcie_ds_dma
Compare Revisions
- This comparison shows the changes necessary to convert path
/pcie_ds_dma/trunk/soft/linux/driver/pexdrv
- from Rev 30 to Rev 33
- ↔ Reverse comparison
Rev 30 → Rev 33
/pexproc.c
33,14 → 33,13
|
int pex_show_capabilities( char *buf, struct pex_device *brd ) |
{ |
int i = 0, res = -1; |
int i = 0; |
int res = 0; |
char *p = buf; |
u8 cap; |
u8 cap_id; |
u8 cap = 0; |
u32 cap_id = 0; |
|
p += sprintf(p,"\n" ); |
p += sprintf(p," Device capabilities\n" ); |
p += sprintf(p,"\n" ); |
|
res = pci_read_config_byte(brd->m_pci, 0x34, &cap); |
if(res < 0) { |
47,47 → 46,49
p += sprintf(p, " Error read capabilities pointer\n"); |
goto err_exit; |
} |
|
res = pci_read_config_byte(brd->m_pci, cap, &cap_id); |
if(res < 0) { |
p += sprintf(p, " Error read capabilities id\n"); |
goto err_exit; |
} |
|
if(cap_id != 0x10) { //not PCI Express capabilities |
|
res = pci_read_config_byte(brd->m_pci, cap+1, &cap); |
if(res < 0) { |
p += sprintf(p, " Capability pointer: 0x%x\n", cap); |
|
while(1) { |
|
res = pci_read_config_dword(brd->m_pci, cap, &cap_id); |
if(res < 0) { |
p += sprintf(p, " Error read capabilities id\n"); |
goto err_exit; |
} |
|
p += sprintf(p, " Capability ID: 0x%x\n", cap_id); |
|
if((cap_id & 0xff) == 0x10) { |
break; |
} |
|
cap = ((cap_id >> 8) & 0xff); |
if(!cap) |
break; |
} |
|
res = pci_read_config_byte(brd->m_pci, cap, &cap_id); |
if(res < 0) { |
p += sprintf(p, " Error read capabilities id\n"); |
goto err_exit; |
} else { |
p += sprintf(p, " CAP_ID = 0x%X\n", cap_id); |
} |
|
if(cap_id != 0x10) { |
if((cap_id & 0xff) != 0x10) { |
p += sprintf(p, " Can't find PCI Express capabilities\n"); |
goto err_exit; |
} |
|
p += sprintf(p,"\n" ); |
p += sprintf(p, " PCI Express Capability Register Set\n"); |
p += sprintf(p,"\n" ); |
|
for(i=0; i<9; i++) { |
u32 reg = 0; |
int j = cap + 4*i; |
res = pci_read_config_dword(brd->m_pci, j, ®); |
if(res < 0) { |
u32 reg = 0; |
int j = cap + 4*i; |
res = pci_read_config_dword(brd->m_pci, j, ®); |
if(res < 0) { |
p += sprintf(p, " Error read capabilities sructure: offset %x\n", j); |
goto err_exit; |
} |
p += sprintf(p, " %x: = 0x%X\n", j, reg); |
p += sprintf(p, " 0x%x: 0x%X\n", j, reg); |
} |
|
err_exit: |
err_exit: |
|
return (p-buf); |
} |