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powerpc/powernv: Use it_page_shift for TCE invalidation 

This fixes IODA1/2 to use it_page_shift as it may be bigger than 4K.

This changes involved constant values to use "ull" modifier.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
hifive-unleashed-5.1
Alexey Kardashevskiy 2014-06-06 18:44:01 +10:00 committed by Benjamin Herrenschmidt
parent 5b97259220
commit b0376c9b08
1 changed files with 9 additions and 7 deletions
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16
arch/powerpc/platforms/powernv/pci-ioda.c
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@ -513,15 +513,16 @@ static void pnv_pci_ioda1_tce_invalidate(struct pnv_ioda_pe *pe,
(__be64 __iomem *)pe->tce_inval_reg_phys :
(__be64 __iomem *)tbl->it_index;
unsigned long start, end, inc;
const unsigned shift = tbl->it_page_shift;
start = __pa(startp);
end = __pa(endp);
/* BML uses this case for p6/p7/galaxy2: Shift addr and put in node */
if (tbl->it_busno) {
start <<= 12;
end <<= 12;
inc = 128 << 12;
start <<= shift;
end <<= shift;
inc = 128ull << shift;
start |= tbl->it_busno;
end |= tbl->it_busno;
} else if (tbl->it_type & TCE_PCI_SWINV_PAIR) {
@ -559,18 +560,19 @@ static void pnv_pci_ioda2_tce_invalidate(struct pnv_ioda_pe *pe,
__be64 __iomem *invalidate = rm ?
(__be64 __iomem *)pe->tce_inval_reg_phys :
(__be64 __iomem *)tbl->it_index;
const unsigned shift = tbl->it_page_shift;
/* We'll invalidate DMA address in PE scope */
start = 0x2ul << 60;
start = 0x2ull << 60;
start |= (pe->pe_number & 0xFF);
end = start;
/* Figure out the start, end and step */
inc = tbl->it_offset + (((u64)startp - tbl->it_base) / sizeof(u64));
start |= (inc << 12);
start |= (inc << shift);
inc = tbl->it_offset + (((u64)endp - tbl->it_base) / sizeof(u64));
end |= (inc << 12);
inc = (0x1ul << 12);
end |= (inc << shift);
inc = (0x1ull << shift);
mb();
while (start <= end) {