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search for ATI Radeon card instead of hardcoding a PCI handle

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This commit is contained in:
Markus Fröschle
2016-10-23 16:31:20 +00:00
parent 4244659e10
commit 89eea0cc01
1 changed files with 45 additions and 36 deletions
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81
BaS_gcc/tos/pci_test/sources/pci_test.c
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@@ -143,52 +143,61 @@ void do_tests(struct pci_native_driver_interface *pci)
struct pci_rd *rd;
int flags;
handle = 0xa0;
/*
* look for an ATI Radeon video card
*/
rd = (*pci->pci_get_resource)(handle); /* get resource descriptor for ATI graphics card */
if (rd != NULL)
// handle = 0xd8;
handle = (*pci->pci_find_device)(0x5159, 0x1002, 0);
if (handle > 0)
{
do
rd = (*pci->pci_get_resource)(handle); /* get resource descriptor for ATI graphics card */
if (rd != NULL)
{
flags = rd->flags;
printf("Start address: 0x%08lx\r\n", rd->start);
printf("Length: 0x%08lx\r\n", rd->length);
printf("Offset: 0x%08lx\r\n", rd->offset);
printf("DMA offset: 0x%08lx\r\n", rd->dmaoffset);
printf("FLAGS: %s%s%s%s%s%s%s\r\n",
flags & FLG_IO ? "FLG_IO, " : "",
flags & FLG_ROM ? "FLG_ROM, " : "",
flags & FLG_8BIT ? "FLG_8BIT, " : "",
flags & FLG_16BIT ? "FLG_16BIT, " : "",
flags & FLG_32BIT ? "FLG_32BIT, " : "",
(flags & FLG_ENDMASK) == ORD_MOTOROLA ? "ORD_MOTOROLA" :
(flags & FLG_ENDMASK) == ORD_INTEL_AS ? "ORD_INTEL_AS" :
(flags & FLG_ENDMASK) == ORD_INTEL_LS ? "ORD_INTEL_LS" :
(flags & FLG_ENDMASK) == ORD_UNKNOWN ? "ORD_UNKNOWN" :
"", "");
printf("\r\n");
if (rd->start != 0L && rd->start == 0x80000000)
do
{
hexdump((uint8_t *) rd->start + rd->offset, 64);
flags = rd->flags;
memset((uint8_t *) rd-> start + rd->offset, 0, 128 * MB);
printf("Start address: 0x%08lx\r\n", rd->start);
printf("Length: 0x%08lx\r\n", rd->length);
printf("Offset: 0x%08lx\r\n", rd->offset);
printf("DMA offset: 0x%08lx\r\n", rd->dmaoffset);
printf("FLAGS: %s%s%s%s%s%s%s\r\n",
flags & FLG_IO ? "FLG_IO, " : "",
flags & FLG_ROM ? "FLG_ROM, " : "",
flags & FLG_8BIT ? "FLG_8BIT, " : "",
flags & FLG_16BIT ? "FLG_16BIT, " : "",
flags & FLG_32BIT ? "FLG_32BIT, " : "",
(flags & FLG_ENDMASK) == ORD_MOTOROLA ? "ORD_MOTOROLA" :
(flags & FLG_ENDMASK) == ORD_INTEL_AS ? "ORD_INTEL_AS" :
(flags & FLG_ENDMASK) == ORD_INTEL_LS ? "ORD_INTEL_LS" :
(flags & FLG_ENDMASK) == ORD_UNKNOWN ? "ORD_UNKNOWN" :
"", "");
printf("\r\n");
printf("memory cleared\r\n");
hexdump((uint8_t *) rd->start + rd->offset, 64);
if (rd->start != 0L && rd->start == 0x80000000)
{
hexdump((uint8_t *) rd->start + rd->offset, 64);
memset((uint8_t *) rd->start + rd->offset, 0xaa, 128 * MB);
hexdump((uint8_t *) rd->start + rd->offset, 64);
}
memset((uint8_t *) rd-> start + rd->offset, 0, 64 * MB);
rd = (struct pci_rd *) (((uintptr_t) rd) + (uintptr_t) rd->next);
} while (!(flags & FLG_LAST));
printf("memory cleared\r\n");
hexdump((uint8_t *) rd->start + rd->offset, 64);
memset((uint8_t *) rd->start + rd->offset, 0xaa, 64 * MB);
hexdump((uint8_t *) rd->start + rd->offset, 64);
}
rd = (struct pci_rd *) (((uintptr_t) rd) + (uintptr_t) rd->next);
} while (!(flags & FLG_LAST));
}
else
{
printf("resource descriptor for handle 0x%02x not found\r\n", handle);
}
}
else
{
printf("resource descriptor for handle 0x%02x not found\r\n", handle);
}
fprintf(stderr, "card not found\r\n");
printf("\r\n...finished\r\n");
}