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Bus space handles need to be the VA of the requested resource, not the

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rounded page VA. Correct so the DBGU device can be mapped for FDT
console since it isn't on a page boundary.
This commit is contained in:
Warner Losh 2014-01-25 21:52:19 +00:00
parent 30b94db8c0
commit a500a7ce91
1 changed files with 4 additions and 2 deletions
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6
sys/arm/at91/at91.c
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@ -65,11 +65,13 @@ at91_bs_map(void *t, bus_addr_t bpa, bus_size_t size, int flags,
pa = trunc_page(bpa);
if (pa >= AT91_PA_BASE + 0xff00000) {
*bshp = pa - AT91_PA_BASE + AT91_BASE;
*bshp = bpa - AT91_PA_BASE + AT91_BASE;
return (0);
}
if (pa >= AT91_BASE + 0xff00000)
if (pa >= AT91_BASE + 0xff00000) {
*bshp = bpa;
return (0);
}
endpa = round_page(bpa + size);
*bshp = (vm_offset_t)pmap_mapdev(pa, endpa - pa);