leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

PCI: Add pci_last_busno() helper

Browse Source 
This is just a handy routine that reports last PCI busno: we walk
down all the hoses and return last hose's last_busno.

Will be used by PCI/PCIe initialization code.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Anton Vorontsov 2009-02-19 18:20:41 +03:00 committed by Kim Phillips
parent 741a1ea973
commit cc2a8c7751
2 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/pci/pci.c
View File

@ -165,6 +165,19 @@ struct pci_controller *pci_bus_to_hose (int bus)
return NULL;
}
int pci_last_busno(void)
{
struct pci_controller *hose = hose_head;
if (!hose)
return -1;
while (hose->next)
hose = hose->next;
return hose->last_busno;
}
#ifndef CONFIG_IXP425
pci_dev_t pci_find_devices(struct pci_device_id *ids, int index)
{

2
include/pci.h
View File

@ -535,6 +535,8 @@ extern int pci_hose_config_device(struct pci_controller *hose,
pci_addr_t mem,
unsigned long command);
int pci_last_busno(void);
#ifdef CONFIG_MPC824X
extern void pci_mpc824x_init (struct pci_controller *hose);
#endif