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polished PCI controller initialization

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This commit is contained in:
Markus Fröschle
2013-11-05 06:17:30 +00:00
parent 1ca096c9f0
commit e1f38dd8f5
1 changed files with 5 additions and 2 deletions
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7
BaS_gcc/sources/pci.c
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@@ -460,8 +460,8 @@ void init_pci(void)
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);
/* Turn on error signaling */
MCF_PCI_PCIICR = MCF_PCI_PCIICR_TAE + MCF_PCI_PCIICR_TAE + MCF_PCI_PCIICR_REE + 32;
/* Turn on error signaling, 32 write retries on failure */
MCF_PCI_PCIICR = MCF_PCI_PCIICR_REE + MCF_PCI_PCIICR_IAE + MCF_PCI_PCIICR_TAE + 32;
MCF_PCI_PCIGSCR |= MCF_PCI_PCIGSCR_SEE;
/* Configure Initiator Windows */
@@ -477,6 +477,9 @@ void init_pci(void)
/* initiator window configuration register */
MCF_PCI_PCIIWCR = MCF_PCI_PCIIWCR_WINCTRL0_MEMRDLINE + MCF_PCI_PCIIWCR_WINCTRL1_IO;
/* initialize target control register */
MCF_PCI_PCITCR = 0;
/* reset PCI devices */
MCF_PCI_PCIGSCR &= ~MCF_PCI_PCIGSCR_PR;