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Dedicated DMA allocation functions. CS5536 OHCI support.

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-05-31 13:58:18 +02:00
parent c7c75cf4cb
commit 8b1cf5e87f
13 changed files with 817 additions and 85 deletions
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53
bus/pci.c
View file

@ -19,6 +19,49 @@
#include <grub/dl.h>
#include <grub/pci.h>
#include <grub/mm.h>
#if GRUB_TARGET_SIZEOF_VOID_P == 4
struct grub_pci_dma_chunk *
grub_memalign_dma32 (grub_size_t align, grub_size_t size)
{
return grub_memalign (align, size);
}
void
grub_dma_free (struct grub_pci_dma_chunk *ch)
{
grub_free (ch);
}
#endif
#ifdef GRUB_MACHINE_MIPS_YEELOONG
volatile void *
grub_dma_get_virt (struct grub_pci_dma_chunk *ch)
{
return (void *) ((((grub_uint32_t) ch) & 0x1fffffff) | 0xa0000000);
}
grub_uint32_t
grub_dma_get_phys (struct grub_pci_dma_chunk *ch)
{
return (((grub_uint32_t) ch) & 0x1fffffff) | 0x80000000;
}
#else
volatile void *
grub_dma_get_virt (struct grub_pci_dma_chunk *ch)
{
return (void *) ch;
}
grub_uint32_t
grub_dma_get_phys (struct grub_pci_dma_chunk *ch)
{
return (grub_uint32_t) ch;
}
#endif
grub_pci_address_t
grub_pci_make_address (grub_pci_device_t dev, int reg)
@ -48,6 +91,16 @@ grub_pci_iterate (grub_pci_iteratefunc_t hook)
if (id >> 16 == 0xFFFF)
continue;
#ifdef GRUB_MACHINE_MIPS_YEELOONG
/* Skip ghosts. */
if (id == GRUB_YEELOONG_OHCI_PCIID
&& dev.function == GRUB_YEELOONG_OHCI_GHOST_FUNCTION)
continue;
if (id == GRUB_YEELOONG_EHCI_PCIID
&& dev.function == GRUB_YEELOONG_EHCI_GHOST_FUNCTION)
continue;
#endif
if (hook (dev, id))
return;