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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_psycho.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_psycho.c')
-rw-r--r--arch/sparc64/kernel/pci_psycho.c66
1 files changed, 30 insertions, 36 deletions
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index b6f073ed31d4..8ef808348993 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -98,13 +98,8 @@ static int psycho_out_of_range(struct pci_pbm_info *pbm,
98 unsigned char bus, 98 unsigned char bus,
99 unsigned char devfn) 99 unsigned char devfn)
100{ 100{
101 return ((pbm->parent == 0) || 101 return ((bus == pbm->pci_first_busno) &&
102 ((pbm == &pbm->parent->pbm_B) && 102 PCI_SLOT(devfn) > 8);
103 (bus == pbm->pci_first_busno) &&
104 PCI_SLOT(devfn) > 8) ||
105 ((pbm == &pbm->parent->pbm_A) &&
106 (bus == pbm->pci_first_busno) &&
107 PCI_SLOT(devfn) > 8));
108} 103}
109 104
110/* PSYCHO PCI configuration space accessors. */ 105/* PSYCHO PCI configuration space accessors. */
@@ -918,33 +913,33 @@ static void psycho_scan_bus(struct pci_pbm_info *pbm)
918 psycho_register_error_handlers(pbm); 913 psycho_register_error_handlers(pbm);
919} 914}
920 915
921static void psycho_iommu_init(struct pci_controller_info *p) 916static void psycho_iommu_init(struct pci_pbm_info *pbm)
922{ 917{
923 struct iommu *iommu = p->pbm_A.iommu; 918 struct iommu *iommu = pbm->iommu;
924 unsigned long i; 919 unsigned long i;
925 u64 control; 920 u64 control;
926 921
927 /* Register addresses. */ 922 /* Register addresses. */
928 iommu->iommu_control = p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL; 923 iommu->iommu_control = pbm->controller_regs + PSYCHO_IOMMU_CONTROL;
929 iommu->iommu_tsbbase = p->pbm_A.controller_regs + PSYCHO_IOMMU_TSBBASE; 924 iommu->iommu_tsbbase = pbm->controller_regs + PSYCHO_IOMMU_TSBBASE;
930 iommu->iommu_flush = p->pbm_A.controller_regs + PSYCHO_IOMMU_FLUSH; 925 iommu->iommu_flush = pbm->controller_regs + PSYCHO_IOMMU_FLUSH;
931 /* PSYCHO's IOMMU lacks ctx flushing. */ 926 /* PSYCHO's IOMMU lacks ctx flushing. */
932 iommu->iommu_ctxflush = 0; 927 iommu->iommu_ctxflush = 0;
933 928
934 /* We use the main control register of PSYCHO as the write 929 /* We use the main control register of PSYCHO as the write
935 * completion register. 930 * completion register.
936 */ 931 */
937 iommu->write_complete_reg = p->pbm_A.controller_regs + PSYCHO_CONTROL; 932 iommu->write_complete_reg = pbm->controller_regs + PSYCHO_CONTROL;
938 933
939 /* 934 /*
940 * Invalidate TLB Entries. 935 * Invalidate TLB Entries.
941 */ 936 */
942 control = psycho_read(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL); 937 control = psycho_read(pbm->controller_regs + PSYCHO_IOMMU_CONTROL);
943 control |= PSYCHO_IOMMU_CTRL_DENAB; 938 control |= PSYCHO_IOMMU_CTRL_DENAB;
944 psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL, control); 939 psycho_write(pbm->controller_regs + PSYCHO_IOMMU_CONTROL, control);
945 for(i = 0; i < 16; i++) { 940 for(i = 0; i < 16; i++) {
946 psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_TAG + (i * 8UL), 0); 941 psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TAG + (i * 8UL), 0);
947 psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_DATA + (i * 8UL), 0); 942 psycho_write(pbm->controller_regs + PSYCHO_IOMMU_DATA + (i * 8UL), 0);
948 } 943 }
949 944
950 /* Leave diag mode enabled for full-flushing done 945 /* Leave diag mode enabled for full-flushing done
@@ -952,17 +947,17 @@ static void psycho_iommu_init(struct pci_controller_info *p)
952 */ 947 */
953 pci_iommu_table_init(iommu, IO_TSB_SIZE, 0xc0000000, 0xffffffff); 948 pci_iommu_table_init(iommu, IO_TSB_SIZE, 0xc0000000, 0xffffffff);
954 949
955 psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_TSBBASE, 950 psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TSBBASE,
956 __pa(iommu->page_table)); 951 __pa(iommu->page_table));
957 952
958 control = psycho_read(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL); 953 control = psycho_read(pbm->controller_regs + PSYCHO_IOMMU_CONTROL);
959 control &= ~(PSYCHO_IOMMU_CTRL_TSBSZ | PSYCHO_IOMMU_CTRL_TBWSZ); 954 control &= ~(PSYCHO_IOMMU_CTRL_TSBSZ | PSYCHO_IOMMU_CTRL_TBWSZ);
960 control |= (PSYCHO_IOMMU_TSBSZ_128K | PSYCHO_IOMMU_CTRL_ENAB); 955 control |= (PSYCHO_IOMMU_TSBSZ_128K | PSYCHO_IOMMU_CTRL_ENAB);
961 psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL, control); 956 psycho_write(pbm->controller_regs + PSYCHO_IOMMU_CONTROL, control);
962 957
963 /* If necessary, hook us up for starfire IRQ translations. */ 958 /* If necessary, hook us up for starfire IRQ translations. */
964 if (this_is_starfire) 959 if (this_is_starfire)
965 starfire_hookup(p->pbm_A.portid); 960 starfire_hookup(pbm->portid);
966} 961}
967 962
968#define PSYCHO_IRQ_RETRY 0x1a00UL 963#define PSYCHO_IRQ_RETRY 0x1a00UL
@@ -977,36 +972,35 @@ static void psycho_iommu_init(struct pci_controller_info *p)
977#define PSYCHO_PCIDIAG_IPAPAR 0x0000000000000002UL /* Invert PIO address parity */ 972#define PSYCHO_PCIDIAG_IPAPAR 0x0000000000000002UL /* Invert PIO address parity */
978#define PSYCHO_PCIDIAG_LPBACK 0x0000000000000001UL /* Enable loopback mode */ 973#define PSYCHO_PCIDIAG_LPBACK 0x0000000000000001UL /* Enable loopback mode */
979 974
980static void psycho_controller_hwinit(struct pci_controller_info *p) 975static void psycho_controller_hwinit(struct pci_pbm_info *pbm)
981{ 976{
982 u64 tmp; 977 u64 tmp;
983 978
984 psycho_write(p->pbm_A.controller_regs + PSYCHO_IRQ_RETRY, 5); 979 psycho_write(pbm->controller_regs + PSYCHO_IRQ_RETRY, 5);
985 980
986 /* Enable arbiter for all PCI slots. */ 981 /* Enable arbiter for all PCI slots. */
987 tmp = psycho_read(p->pbm_A.controller_regs + PSYCHO_PCIA_CTRL); 982 tmp = psycho_read(pbm->controller_regs + PSYCHO_PCIA_CTRL);
988 tmp |= PSYCHO_PCICTRL_AEN; 983 tmp |= PSYCHO_PCICTRL_AEN;
989 psycho_write(p->pbm_A.controller_regs + PSYCHO_PCIA_CTRL, tmp); 984 psycho_write(pbm->controller_regs + PSYCHO_PCIA_CTRL, tmp);
990 985
991 tmp = psycho_read(p->pbm_A.controller_regs + PSYCHO_PCIB_CTRL); 986 tmp = psycho_read(pbm->controller_regs + PSYCHO_PCIB_CTRL);
992 tmp |= PSYCHO_PCICTRL_AEN; 987 tmp |= PSYCHO_PCICTRL_AEN;
993 psycho_write(p->pbm_A.controller_regs + PSYCHO_PCIB_CTRL, tmp); 988 psycho_write(pbm->controller_regs + PSYCHO_PCIB_CTRL, tmp);
994 989
995 /* Disable DMA write / PIO read synchronization on 990 /* Disable DMA write / PIO read synchronization on
996 * both PCI bus segments. 991 * both PCI bus segments.
997 * [ U2P Erratum 1243770, STP2223BGA data sheet ] 992 * [ U2P Erratum 1243770, STP2223BGA data sheet ]
998 */ 993 */
999 tmp = psycho_read(p->pbm_A.controller_regs + PSYCHO_PCIA_DIAG); 994 tmp = psycho_read(pbm->controller_regs + PSYCHO_PCIA_DIAG);
1000 tmp |= PSYCHO_PCIDIAG_DDWSYNC; 995 tmp |= PSYCHO_PCIDIAG_DDWSYNC;
1001 psycho_write(p->pbm_A.controller_regs + PSYCHO_PCIA_DIAG, tmp); 996 psycho_write(pbm->controller_regs + PSYCHO_PCIA_DIAG, tmp);
1002 997
1003 tmp = psycho_read(p->pbm_A.controller_regs + PSYCHO_PCIB_DIAG); 998 tmp = psycho_read(pbm->controller_regs + PSYCHO_PCIB_DIAG);
1004 tmp |= PSYCHO_PCIDIAG_DDWSYNC; 999 tmp |= PSYCHO_PCIDIAG_DDWSYNC;
1005 psycho_write(p->pbm_A.controller_regs + PSYCHO_PCIB_DIAG, tmp); 1000 psycho_write(pbm->controller_regs + PSYCHO_PCIB_DIAG, tmp);
1006} 1001}
1007 1002
1008static void psycho_pbm_strbuf_init(struct pci_controller_info *p, 1003static void psycho_pbm_strbuf_init(struct pci_pbm_info *pbm,
1009 struct pci_pbm_info *pbm,
1010 int is_pbm_a) 1004 int is_pbm_a)
1011{ 1005{
1012 unsigned long base = pbm->controller_regs; 1006 unsigned long base = pbm->controller_regs;
@@ -1105,7 +1099,7 @@ static void psycho_pbm_init(struct pci_controller_info *p,
1105 1099
1106 pci_get_pbm_props(pbm); 1100 pci_get_pbm_props(pbm);
1107 1101
1108 psycho_pbm_strbuf_init(p, pbm, is_pbm_a); 1102 psycho_pbm_strbuf_init(pbm, is_pbm_a);
1109} 1103}
1110 1104
1111#define PSYCHO_CONFIGSPACE 0x001000000UL 1105#define PSYCHO_CONFIGSPACE 0x001000000UL
@@ -1165,9 +1159,9 @@ void psycho_init(struct device_node *dp, char *model_name)
1165 */ 1159 */
1166 pci_memspace_mask = 0x7fffffffUL; 1160 pci_memspace_mask = 0x7fffffffUL;
1167 1161
1168 psycho_controller_hwinit(p); 1162 psycho_controller_hwinit(&p->pbm_A);
1169 1163
1170 psycho_iommu_init(p); 1164 psycho_iommu_init(&p->pbm_A);
1171 1165
1172 is_pbm_a = ((pr_regs[0].phys_addr & 0x6000) == 0x2000); 1166 is_pbm_a = ((pr_regs[0].phys_addr & 0x6000) == 0x2000);
1173 psycho_pbm_init(p, dp, is_pbm_a); 1167 psycho_pbm_init(p, dp, is_pbm_a);