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authorDavid S. Miller <davem@sunset.davemloft.net>2007-05-08 03:19:02 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-05-08 19:41:44 -0400
commit28113a9941c8cb6ca90ab4a66876db84342a084b (patch)
tree369373800657dd415143731ca8070ef72525d8b2 /arch/sparc64/kernel/pci_sabre.c
parent6c108f1299754877bb5f73ccac5621eb603b97eb (diff)
[SPARC64]: Removal of trivial pci_controller_info uses.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/pci_sabre.c')
-rw-r--r--arch/sparc64/kernel/pci_sabre.c57
1 files changed, 28 insertions, 29 deletions
diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c
index 422485bc67f0..733ab366a3d4 100644
--- a/arch/sparc64/kernel/pci_sabre.c
+++ b/arch/sparc64/kernel/pci_sabre.c
@@ -942,30 +942,30 @@ static void sabre_scan_bus(struct pci_pbm_info *pbm)
942 sabre_register_error_handlers(pbm); 942 sabre_register_error_handlers(pbm);
943} 943}
944 944
945static void sabre_iommu_init(struct pci_controller_info *p, 945static void sabre_iommu_init(struct pci_pbm_info *pbm,
946 int tsbsize, unsigned long dvma_offset, 946 int tsbsize, unsigned long dvma_offset,
947 u32 dma_mask) 947 u32 dma_mask)
948{ 948{
949 struct iommu *iommu = p->pbm_A.iommu; 949 struct iommu *iommu = pbm->iommu;
950 unsigned long i; 950 unsigned long i;
951 u64 control; 951 u64 control;
952 952
953 /* Register addresses. */ 953 /* Register addresses. */
954 iommu->iommu_control = p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL; 954 iommu->iommu_control = pbm->controller_regs + SABRE_IOMMU_CONTROL;
955 iommu->iommu_tsbbase = p->pbm_A.controller_regs + SABRE_IOMMU_TSBBASE; 955 iommu->iommu_tsbbase = pbm->controller_regs + SABRE_IOMMU_TSBBASE;
956 iommu->iommu_flush = p->pbm_A.controller_regs + SABRE_IOMMU_FLUSH; 956 iommu->iommu_flush = pbm->controller_regs + SABRE_IOMMU_FLUSH;
957 iommu->write_complete_reg = p->pbm_A.controller_regs + SABRE_WRSYNC; 957 iommu->write_complete_reg = pbm->controller_regs + SABRE_WRSYNC;
958 /* Sabre's IOMMU lacks ctx flushing. */ 958 /* Sabre's IOMMU lacks ctx flushing. */
959 iommu->iommu_ctxflush = 0; 959 iommu->iommu_ctxflush = 0;
960 960
961 /* Invalidate TLB Entries. */ 961 /* Invalidate TLB Entries. */
962 control = sabre_read(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL); 962 control = sabre_read(pbm->controller_regs + SABRE_IOMMU_CONTROL);
963 control |= SABRE_IOMMUCTRL_DENAB; 963 control |= SABRE_IOMMUCTRL_DENAB;
964 sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL, control); 964 sabre_write(pbm->controller_regs + SABRE_IOMMU_CONTROL, control);
965 965
966 for(i = 0; i < 16; i++) { 966 for(i = 0; i < 16; i++) {
967 sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_TAG + (i * 8UL), 0); 967 sabre_write(pbm->controller_regs + SABRE_IOMMU_TAG + (i * 8UL), 0);
968 sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_DATA + (i * 8UL), 0); 968 sabre_write(pbm->controller_regs + SABRE_IOMMU_DATA + (i * 8UL), 0);
969 } 969 }
970 970
971 /* Leave diag mode enabled for full-flushing done 971 /* Leave diag mode enabled for full-flushing done
@@ -973,10 +973,10 @@ static void sabre_iommu_init(struct pci_controller_info *p,
973 */ 973 */
974 pci_iommu_table_init(iommu, tsbsize * 1024 * 8, dvma_offset, dma_mask); 974 pci_iommu_table_init(iommu, tsbsize * 1024 * 8, dvma_offset, dma_mask);
975 975
976 sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_TSBBASE, 976 sabre_write(pbm->controller_regs + SABRE_IOMMU_TSBBASE,
977 __pa(iommu->page_table)); 977 __pa(iommu->page_table));
978 978
979 control = sabre_read(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL); 979 control = sabre_read(pbm->controller_regs + SABRE_IOMMU_CONTROL);
980 control &= ~(SABRE_IOMMUCTRL_TSBSZ | SABRE_IOMMUCTRL_TBWSZ); 980 control &= ~(SABRE_IOMMUCTRL_TSBSZ | SABRE_IOMMUCTRL_TBWSZ);
981 control |= SABRE_IOMMUCTRL_ENAB; 981 control |= SABRE_IOMMUCTRL_ENAB;
982 switch(tsbsize) { 982 switch(tsbsize) {
@@ -991,14 +991,11 @@ static void sabre_iommu_init(struct pci_controller_info *p,
991 prom_halt(); 991 prom_halt();
992 break; 992 break;
993 } 993 }
994 sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL, control); 994 sabre_write(pbm->controller_regs + SABRE_IOMMU_CONTROL, control);
995} 995}
996 996
997static void sabre_pbm_init(struct pci_controller_info *p, struct device_node *dp) 997static void sabre_pbm_init(struct pci_controller_info *p, struct pci_pbm_info *pbm, struct device_node *dp)
998{ 998{
999 struct pci_pbm_info *pbm;
1000
1001 pbm = &p->pbm_A;
1002 pbm->name = dp->full_name; 999 pbm->name = dp->full_name;
1003 printk("%s: SABRE PCI Bus Module\n", pbm->name); 1000 printk("%s: SABRE PCI Bus Module\n", pbm->name);
1004 1001
@@ -1019,6 +1016,7 @@ void sabre_init(struct device_node *dp, char *model_name)
1019{ 1016{
1020 const struct linux_prom64_registers *pr_regs; 1017 const struct linux_prom64_registers *pr_regs;
1021 struct pci_controller_info *p; 1018 struct pci_controller_info *p;
1019 struct pci_pbm_info *pbm;
1022 struct iommu *iommu; 1020 struct iommu *iommu;
1023 int tsbsize; 1021 int tsbsize;
1024 const u32 *vdma; 1022 const u32 *vdma;
@@ -1055,14 +1053,15 @@ void sabre_init(struct device_node *dp, char *model_name)
1055 prom_printf("SABRE: Error, kmalloc(pci_iommu) failed.\n"); 1053 prom_printf("SABRE: Error, kmalloc(pci_iommu) failed.\n");
1056 prom_halt(); 1054 prom_halt();
1057 } 1055 }
1058 p->pbm_A.iommu = iommu; 1056 pbm = &p->pbm_A;
1057 pbm->iommu = iommu;
1059 1058
1060 upa_portid = of_getintprop_default(dp, "upa-portid", 0xff); 1059 upa_portid = of_getintprop_default(dp, "upa-portid", 0xff);
1061 1060
1062 p->pbm_A.next = pci_pbm_root; 1061 pbm->next = pci_pbm_root;
1063 pci_pbm_root = &p->pbm_A; 1062 pci_pbm_root = pbm;
1064 1063
1065 p->pbm_A.portid = upa_portid; 1064 pbm->portid = upa_portid;
1066 1065
1067 /* 1066 /*
1068 * Map in SABRE register set and report the presence of this SABRE. 1067 * Map in SABRE register set and report the presence of this SABRE.
@@ -1073,26 +1072,26 @@ void sabre_init(struct device_node *dp, char *model_name)
1073 /* 1072 /*
1074 * First REG in property is base of entire SABRE register space. 1073 * First REG in property is base of entire SABRE register space.
1075 */ 1074 */
1076 p->pbm_A.controller_regs = pr_regs[0].phys_addr; 1075 pbm->controller_regs = pr_regs[0].phys_addr;
1077 1076
1078 /* Clear interrupts */ 1077 /* Clear interrupts */
1079 1078
1080 /* PCI first */ 1079 /* PCI first */
1081 for (clear_irq = SABRE_ICLR_A_SLOT0; clear_irq < SABRE_ICLR_B_SLOT0 + 0x80; clear_irq += 8) 1080 for (clear_irq = SABRE_ICLR_A_SLOT0; clear_irq < SABRE_ICLR_B_SLOT0 + 0x80; clear_irq += 8)
1082 sabre_write(p->pbm_A.controller_regs + clear_irq, 0x0UL); 1081 sabre_write(pbm->controller_regs + clear_irq, 0x0UL);
1083 1082
1084 /* Then OBIO */ 1083 /* Then OBIO */
1085 for (clear_irq = SABRE_ICLR_SCSI; clear_irq < SABRE_ICLR_SCSI + 0x80; clear_irq += 8) 1084 for (clear_irq = SABRE_ICLR_SCSI; clear_irq < SABRE_ICLR_SCSI + 0x80; clear_irq += 8)
1086 sabre_write(p->pbm_A.controller_regs + clear_irq, 0x0UL); 1085 sabre_write(pbm->controller_regs + clear_irq, 0x0UL);
1087 1086
1088 /* Error interrupts are enabled later after the bus scan. */ 1087 /* Error interrupts are enabled later after the bus scan. */
1089 sabre_write(p->pbm_A.controller_regs + SABRE_PCICTRL, 1088 sabre_write(pbm->controller_regs + SABRE_PCICTRL,
1090 (SABRE_PCICTRL_MRLEN | SABRE_PCICTRL_SERR | 1089 (SABRE_PCICTRL_MRLEN | SABRE_PCICTRL_SERR |
1091 SABRE_PCICTRL_ARBPARK | SABRE_PCICTRL_AEN)); 1090 SABRE_PCICTRL_ARBPARK | SABRE_PCICTRL_AEN));
1092 1091
1093 /* Now map in PCI config space for entire SABRE. */ 1092 /* Now map in PCI config space for entire SABRE. */
1094 p->pbm_A.config_space = 1093 pbm->config_space =
1095 (p->pbm_A.controller_regs + SABRE_CONFIGSPACE); 1094 (pbm->controller_regs + SABRE_CONFIGSPACE);
1096 1095
1097 vdma = of_get_property(dp, "virtual-dma", NULL); 1096 vdma = of_get_property(dp, "virtual-dma", NULL);
1098 1097
@@ -1116,10 +1115,10 @@ void sabre_init(struct device_node *dp, char *model_name)
1116 prom_halt(); 1115 prom_halt();
1117 } 1116 }
1118 1117
1119 sabre_iommu_init(p, tsbsize, vdma[0], dma_mask); 1118 sabre_iommu_init(pbm, tsbsize, vdma[0], dma_mask);
1120 1119
1121 /* 1120 /*
1122 * Look for APB underneath. 1121 * Look for APB underneath.
1123 */ 1122 */
1124 sabre_pbm_init(p, dp); 1123 sabre_pbm_init(p, pbm, dp);
1125} 1124}