diff options
Diffstat (limited to 'arch/sparc64/kernel/pci_psycho.c')
| -rw-r--r-- | arch/sparc64/kernel/pci_psycho.c | 66 |
1 files changed, 30 insertions, 36 deletions
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c index b6f073e..8ef8083 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, unsigned char bus, unsigned char devfn) { - return ((pbm->parent == 0) || - ((pbm == &pbm->parent->pbm_B) && - (bus == pbm->pci_first_busno) && - PCI_SLOT(devfn) > 8) || - ((pbm == &pbm->parent->pbm_A) && - (bus == pbm->pci_first_busno) && - PCI_SLOT(devfn) > 8)); + return ((bus == pbm->pci_first_busno) && + PCI_SLOT(devfn) > 8); } /* PSYCHO PCI configuration space accessors. */ @@ -918,33 +913,33 @@ static void psycho_scan_bus(struct pci_pbm_info *pbm) psycho_register_error_handlers(pbm); } -static void psycho_iommu_init(struct pci_controller_info *p) +static void psycho_iommu_init(struct pci_pbm_info *pbm) { - struct iommu *iommu = p->pbm_A.iommu; + struct iommu *iommu = pbm->iommu; unsigned long i; u64 control; /* Register addresses. */ - iommu->iommu_control = p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL; - iommu->iommu_tsbbase = p->pbm_A.controller_regs + PSYCHO_IOMMU_TSBBASE; - iommu->iommu_flush = p->pbm_A.controller_regs + PSYCHO_IOMMU_FLUSH; + iommu->iommu_control = pbm->controller_regs + PSYCHO_IOMMU_CONTROL; + iommu->iommu_tsbbase = pbm->controller_regs + PSYCHO_IOMMU_TSBBASE; + iommu->iommu_flush = pbm->controller_regs + PSYCHO_IOMMU_FLUSH; /* PSYCHO's IOMMU lacks ctx flushing. */ iommu->iommu_ctxflush = 0; /* We use the main control register of PSYCHO as the write * completion register. */ - iommu->write_complete_reg = p->pbm_A.controller_regs + PSYCHO_CONTROL; + iommu->write_complete_reg = pbm->controller_regs + PSYCHO_CONTROL; /* * Invalidate TLB Entries. */ - control = psycho_read(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL); + control = psycho_read(pbm->controller_regs + PSYCHO_IOMMU_CONTROL); control |= PSYCHO_IOMMU_CTRL_DENAB; - psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL, control); + psycho_write(pbm->controller_regs + PSYCHO_IOMMU_CONTROL, control); for(i = 0; i < 16; i++) { - psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_TAG + (i * 8UL), 0); - psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_DATA + (i * 8UL), 0); + psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TAG + (i * 8UL), 0); + psycho_write(pbm->controller_regs + PSYCHO_IOMMU_DATA + (i * 8UL), 0); } /* Leave diag mode enabled for full-flushing done @@ -952,17 +947,17 @@ static void psycho_iommu_init(struct pci_controller_info *p) */ pci_iommu_table_init(iommu, IO_TSB_SIZE, 0xc0000000, 0xffffffff); - psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_TSBBASE, + psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TSBBASE, __pa(iommu->page_table)); - control = psycho_read(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL); + control = psycho_read(pbm->controller_regs + PSYCHO_IOMMU_CONTROL); control &= ~(PSYCHO_IOMMU_CTRL_TSBSZ | PSYCHO_IOMMU_CTRL_TBWSZ); control |= (PSYCHO_IOMMU_TSBSZ_128K | PSYCHO_IOMMU_CTRL_ENAB); - psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL, control); + psycho_write(pbm->controller_regs + PSYCHO_IOMMU_CONTROL, control); /* If necessary, hook us up for starfire IRQ translations. */ if (this_is_starfire) - starfire_hookup(p->pbm_A.portid); + starfire_hookup(pbm->portid); } #define PSYCHO_IRQ_RETRY 0x1a00UL @@ -977,36 +972,35 @@ static void psycho_iommu_init(struct pci_controller_info *p) #define PSYCHO_PCIDIAG_IPAPAR 0x0000000000000002UL /* Invert PIO address parity */ #define PSYCHO_PCIDIAG_LPBACK 0x0000000000000001UL /* Enable loopback mode */ -static void psycho_controller_hwinit(struct pci_controller_info *p) +static void psycho_controller_hwinit(struct pci_pbm_info *pbm) { u64 tmp; - psycho_write(p->pbm_A.controller_regs + PSYCHO_IRQ_RETRY, 5); + psycho_write(pbm->controller_regs + PSYCHO_IRQ_RETRY, 5); /* Enable arbiter for all PCI slots. */ - tmp = psycho_read(p->pbm_A.controller_regs + PSYCHO_PCIA_CTRL); + tmp = psycho_read(pbm->controller_regs + PSYCHO_PCIA_CTRL); tmp |= PSYCHO_PCICTRL_AEN; - psycho_write(p->pbm_A.controller_regs + PSYCHO_PCIA_CTRL, tmp); + psycho_write(pbm->controller_regs + PSYCHO_PCIA_CTRL, tmp); - tmp = psycho_read(p->pbm_A.controller_regs + PSYCHO_PCIB_CTRL); + tmp = psycho_read(pbm->controller_regs + PSYCHO_PCIB_CTRL); tmp |= PSYCHO_PCICTRL_AEN; - psycho_write(p->pbm_A.controller_regs + PSYCHO_PCIB_CTRL, tmp); + psycho_write(pbm->controller_regs + PSYCHO_PCIB_CTRL, tmp); /* Disable DMA write / PIO read synchronization on * both PCI bus segments. * [ U2P Erratum 1243770, STP2223BGA data sheet ] */ - tmp = psycho_read(p->pbm_A.controller_regs + PSYCHO_PCIA_DIAG); + tmp = psycho_read(pbm->controller_regs + PSYCHO_PCIA_DIAG); tmp |= PSYCHO_PCIDIAG_DDWSYNC; - psycho_write(p->pbm_A.controller_regs + PSYCHO_PCIA_DIAG, tmp); + psycho_write(pbm->controller_regs + PSYCHO_PCIA_DIAG, tmp); - tmp = psycho_read(p->pbm_A.controller_regs + PSYCHO_PCIB_DIAG); + tmp = psycho_read(pbm->controller_regs + PSYCHO_PCIB_DIAG); tmp |= PSYCHO_PCIDIAG_DDWSYNC; - psycho_write(p->pbm_A.controller_regs + PSYCHO_PCIB_DIAG, tmp); + psycho_write(pbm->controller_regs + PSYCHO_PCIB_DIAG, tmp); } -static void psycho_pbm_strbuf_init(struct pci_controller_info *p, - struct pci_pbm_info *pbm, +static void psycho_pbm_strbuf_init(struct pci_pbm_info *pbm, int is_pbm_a) { unsigned long base = pbm->controller_regs; @@ -1105,7 +1099,7 @@ static void psycho_pbm_init(struct pci_controller_info *p, pci_get_pbm_props(pbm); - psycho_pbm_strbuf_init(p, pbm, is_pbm_a); + psycho_pbm_strbuf_init(pbm, is_pbm_a); } #define PSYCHO_CONFIGSPACE 0x001000000UL @@ -1165,9 +1159,9 @@ void psycho_init(struct device_node *dp, char *model_name) */ pci_memspace_mask = 0x7fffffffUL; - psycho_controller_hwinit(p); + psycho_controller_hwinit(&p->pbm_A); - psycho_iommu_init(p); + psycho_iommu_init(&p->pbm_A); is_pbm_a = ((pr_regs[0].phys_addr & 0x6000) == 0x2000); psycho_pbm_init(p, dp, is_pbm_a); |
