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added interface structure to make the MCD DMA available to MiNT (DMAC cookie). MinT's FEC driver works somewhat, but not reliable yet.

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This commit is contained in:
Markus Fröschle
2014-01-01 21:28:17 +00:00
parent 8424a836a1
commit 40c89dd900
15 changed files with 589 additions and 625 deletions
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10
BaS_gcc/pci/pci.c
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@@ -40,11 +40,11 @@
#define dbg(format, arg...) do { ; } while (0)
#endif /* DEBUG_PCI */
#if MACHINE_FIREBEE
#define pci_config_wait() wait(40000); /* FireBee USB not properly detected otherwise !?? */
#elif MACHINE_M5484LITE
//#if MACHINE_FIREBEE
//#define pci_config_wait() wait(40000); /* FireBee USB not properly detected otherwise !?? */
//#elif MACHINE_M5484LITE
#define pci_config_wait() do { __asm__ __volatile("tpf" ::: "memory"); } while (0)
#endif
//#endif
/*
* PCI device class descriptions displayed during PCI bus scan
@@ -924,6 +924,7 @@ void init_pci(void)
init_xlbus_arbiter();
MCF_PCI_PCIGSCR = 1; /* reset PCI */
wait(400000); /* give devices a chance to come up */
/*
* setup the PCI arbiter
@@ -1001,6 +1002,7 @@ void init_pci(void)
MCF_PCI_PCIGSCR &= ~MCF_PCI_PCIGSCR_PR;
do {;} while (MCF_PCI_PCIGSCR & MCF_PCI_PCIGSCR_PR); /* wait until reset finished */
xprintf("finished\r\n");
wait(400000); /* give devices a chance to come up */
/* initialize/clear resource descriptor table */
memset(&resource_descriptors, 0, NUM_CARDS * NUM_RESOURCES * sizeof(struct pci_rd));