Firebee/FireBee_SVN
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

polished PCI controller initialization

Browse Source
This commit is contained in:
Markus Fröschle
2013-11-05 06:17:30 +00:00
parent 89dd4ab845
commit d1210fa0fd
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
sources/pci.c
View File

@@ -460,8 +460,8 @@ void init_pci(void)
MCF_PCI_PCICR1 = MCF_PCI_PCICR1_CACHELINESIZE(4) + MCF_PCI_PCICR1_LATTIMER(32); MCF_PCI_PCICR1 = MCF_PCI_PCICR1_CACHELINESIZE(4) + MCF_PCI_PCICR1_LATTIMER(32);
MCF_PCI_PCICR2 = MCF_PCI_PCICR2_MINGNT(16) + MCF_PCI_PCICR2_MAXLAT(16); MCF_PCI_PCICR2 = MCF_PCI_PCICR2_MINGNT(16) + MCF_PCI_PCICR2_MAXLAT(16);
/* Turn on error signaling */ /* Turn on error signaling, 32 write retries on failure */
MCF_PCI_PCIICR = MCF_PCI_PCIICR_TAE + MCF_PCI_PCIICR_TAE + MCF_PCI_PCIICR_REE + 32; MCF_PCI_PCIICR = MCF_PCI_PCIICR_REE + MCF_PCI_PCIICR_IAE + MCF_PCI_PCIICR_TAE + 32;
MCF_PCI_PCIGSCR |= MCF_PCI_PCIGSCR_SEE; MCF_PCI_PCIGSCR |= MCF_PCI_PCIGSCR_SEE;
/* Configure Initiator Windows */ /* Configure Initiator Windows */
@@ -476,6 +476,9 @@ void init_pci(void)
/* initiator window configuration register */ /* initiator window configuration register */
MCF_PCI_PCIIWCR = MCF_PCI_PCIIWCR_WINCTRL0_MEMRDLINE + MCF_PCI_PCIIWCR_WINCTRL1_IO; MCF_PCI_PCIIWCR = MCF_PCI_PCIIWCR_WINCTRL0_MEMRDLINE + MCF_PCI_PCIIWCR_WINCTRL1_IO;
/* initialize target control register */
MCF_PCI_PCITCR = 0;
/* reset PCI devices */ /* reset PCI devices */
MCF_PCI_PCIGSCR &= ~MCF_PCI_PCIGSCR_PR; MCF_PCI_PCIGSCR &= ~MCF_PCI_PCIGSCR_PR;