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path: root/arch/ia64/sn/pci/tioca_provider.c
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Diffstat (limited to 'arch/ia64/sn/pci/tioca_provider.c')
-rw-r--r--arch/ia64/sn/pci/tioca_provider.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 19bced34d5f1..46b646a6d345 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -11,6 +11,7 @@
#include <linux/pci.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/addrs.h>
+#include <asm/sn/io.h>
#include <asm/sn/pcidev.h>
#include <asm/sn/pcibus_provider_defs.h>
#include <asm/sn/tioca_provider.h>
@@ -37,7 +38,7 @@ tioca_gart_init(struct tioca_kernel *tioca_kern)
uint64_t offset;
struct page *tmp;
struct tioca_common *tioca_common;
- volatile struct tioca *ca_base;
+ struct tioca *ca_base;
tioca_common = tioca_kern->ca_common;
ca_base = (struct tioca *)tioca_common->ca_common.bs_base;
@@ -174,27 +175,29 @@ tioca_gart_init(struct tioca_kernel *tioca_kern)
* DISABLE GART PREFETCHING due to hw bug tracked in SGI PV930029
*/
- ca_base->ca_control1 |= CA_AGPDMA_OP_ENB_COMBDELAY; /* PV895469 ? */
- ca_base->ca_control2 &= ~(CA_GART_MEM_PARAM);
- ca_base->ca_control2 |= (0x2ull << CA_GART_MEM_PARAM_SHFT);
+ __sn_setq_relaxed(&ca_base->ca_control1,
+ CA_AGPDMA_OP_ENB_COMBDELAY); /* PV895469 ? */
+ __sn_clrq_relaxed(&ca_base->ca_control2, CA_GART_MEM_PARAM);
+ __sn_setq_relaxed(&ca_base->ca_control2,
+ (0x2ull << CA_GART_MEM_PARAM_SHFT));
tioca_kern->ca_gart_iscoherent = 1;
- ca_base->ca_control2 &=
- ~(CA_GART_WR_PREFETCH_ENB | CA_GART_RD_PREFETCH_ENB);
+ __sn_clrq_relaxed(&ca_base->ca_control2,
+ (CA_GART_WR_PREFETCH_ENB | CA_GART_RD_PREFETCH_ENB));
/*
* Unmask GART fetch error interrupts. Clear residual errors first.
*/
- ca_base->ca_int_status_alias = CA_GART_FETCH_ERR;
- ca_base->ca_mult_error_alias = CA_GART_FETCH_ERR;
- ca_base->ca_int_mask &= ~CA_GART_FETCH_ERR;
+ writeq(CA_GART_FETCH_ERR, &ca_base->ca_int_status_alias);
+ writeq(CA_GART_FETCH_ERR, &ca_base->ca_mult_error_alias);
+ __sn_clrq_relaxed(&ca_base->ca_int_mask, CA_GART_FETCH_ERR);
/*
* Program the aperature and gart registers in TIOCA
*/
- ca_base->ca_gart_aperature = ap_reg;
- ca_base->ca_gart_ptr_table = tioca_kern->ca_gart_coretalk_addr | 1;
+ writeq(ap_reg, &ca_base->ca_gart_aperature);
+ writeq(tioca_kern->ca_gart_coretalk_addr|1, &ca_base->ca_gart_ptr_table);
return 0;
}
@@ -211,7 +214,6 @@ void
tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
{
int cap_ptr;
- uint64_t ca_control1;
uint32_t reg;
struct tioca *tioca_base;
struct pci_dev *pdev;
@@ -256,9 +258,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
*/
tioca_base = (struct tioca *)common->ca_common.bs_base;
- ca_control1 = tioca_base->ca_control1;
- ca_control1 |= CA_AGP_FW_ENABLE;
- tioca_base->ca_control1 = ca_control1;
+ __sn_setq_relaxed(&tioca_base->ca_control1, CA_AGP_FW_ENABLE);
}
EXPORT_SYMBOL(tioca_fastwrite_enable); /* used by agp-sgi */
@@ -345,7 +345,7 @@ tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr)
return 0;
}
- agp_dma_extn = ca_base->ca_agp_dma_addr_extn;
+ agp_dma_extn = __sn_readq_relaxed(&ca_base->ca_agp_dma_addr_extn);
if (node_upper != (agp_dma_extn >> CA_AGP_DMA_NODE_ID_SHFT)) {
printk(KERN_ERR "%s: coretalk upper node (%u) "
"mismatch with ca_agp_dma_addr_extn (%lu)\n",