X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsparc64%2Fkernel%2Fpci_psycho.c;h=fda5db223d9692f344725664d686d6dd7bba997e;hb=refs%2Fheads%2Fvserver;hp=c03ed5f49d31500cc90bb4b1abd8d0f996e6aa5e;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c index c03ed5f49..fda5db223 100644 --- a/arch/sparc64/kernel/pci_psycho.c +++ b/arch/sparc64/kernel/pci_psycho.c @@ -17,6 +17,8 @@ #include #include #include +#include +#include #include "pci_impl.h" #include "iommu_common.h" @@ -207,187 +209,6 @@ static struct pci_ops psycho_ops = { .write = psycho_write_pci_cfg, }; -/* PSYCHO interrupt mapping support. */ -#define PSYCHO_IMAP_A_SLOT0 0x0c00UL -#define PSYCHO_IMAP_B_SLOT0 0x0c20UL -static unsigned long psycho_pcislot_imap_offset(unsigned long ino) -{ - unsigned int bus = (ino & 0x10) >> 4; - unsigned int slot = (ino & 0x0c) >> 2; - - if (bus == 0) - return PSYCHO_IMAP_A_SLOT0 + (slot * 8); - else - return PSYCHO_IMAP_B_SLOT0 + (slot * 8); -} - -#define PSYCHO_IMAP_SCSI 0x1000UL -#define PSYCHO_IMAP_ETH 0x1008UL -#define PSYCHO_IMAP_BPP 0x1010UL -#define PSYCHO_IMAP_AU_REC 0x1018UL -#define PSYCHO_IMAP_AU_PLAY 0x1020UL -#define PSYCHO_IMAP_PFAIL 0x1028UL -#define PSYCHO_IMAP_KMS 0x1030UL -#define PSYCHO_IMAP_FLPY 0x1038UL -#define PSYCHO_IMAP_SHW 0x1040UL -#define PSYCHO_IMAP_KBD 0x1048UL -#define PSYCHO_IMAP_MS 0x1050UL -#define PSYCHO_IMAP_SER 0x1058UL -#define PSYCHO_IMAP_TIM0 0x1060UL -#define PSYCHO_IMAP_TIM1 0x1068UL -#define PSYCHO_IMAP_UE 0x1070UL -#define PSYCHO_IMAP_CE 0x1078UL -#define PSYCHO_IMAP_A_ERR 0x1080UL -#define PSYCHO_IMAP_B_ERR 0x1088UL -#define PSYCHO_IMAP_PMGMT 0x1090UL -#define PSYCHO_IMAP_GFX 0x1098UL -#define PSYCHO_IMAP_EUPA 0x10a0UL - -static unsigned long __onboard_imap_off[] = { -/*0x20*/ PSYCHO_IMAP_SCSI, -/*0x21*/ PSYCHO_IMAP_ETH, -/*0x22*/ PSYCHO_IMAP_BPP, -/*0x23*/ PSYCHO_IMAP_AU_REC, -/*0x24*/ PSYCHO_IMAP_AU_PLAY, -/*0x25*/ PSYCHO_IMAP_PFAIL, -/*0x26*/ PSYCHO_IMAP_KMS, -/*0x27*/ PSYCHO_IMAP_FLPY, -/*0x28*/ PSYCHO_IMAP_SHW, -/*0x29*/ PSYCHO_IMAP_KBD, -/*0x2a*/ PSYCHO_IMAP_MS, -/*0x2b*/ PSYCHO_IMAP_SER, -/*0x2c*/ PSYCHO_IMAP_TIM0, -/*0x2d*/ PSYCHO_IMAP_TIM1, -/*0x2e*/ PSYCHO_IMAP_UE, -/*0x2f*/ PSYCHO_IMAP_CE, -/*0x30*/ PSYCHO_IMAP_A_ERR, -/*0x31*/ PSYCHO_IMAP_B_ERR, -/*0x32*/ PSYCHO_IMAP_PMGMT -}; -#define PSYCHO_ONBOARD_IRQ_BASE 0x20 -#define PSYCHO_ONBOARD_IRQ_LAST 0x32 -#define psycho_onboard_imap_offset(__ino) \ - __onboard_imap_off[(__ino) - PSYCHO_ONBOARD_IRQ_BASE] - -#define PSYCHO_ICLR_A_SLOT0 0x1400UL -#define PSYCHO_ICLR_SCSI 0x1800UL - -#define psycho_iclr_offset(ino) \ - ((ino & 0x20) ? (PSYCHO_ICLR_SCSI + (((ino) & 0x1f) << 3)) : \ - (PSYCHO_ICLR_A_SLOT0 + (((ino) & 0x1f)<<3))) - -/* PCI PSYCHO INO number to Sparc PIL level. */ -static unsigned char psycho_pil_table[] = { -/*0x00*/0, 0, 0, 0, /* PCI A slot 0 Int A, B, C, D */ -/*0x04*/0, 0, 0, 0, /* PCI A slot 1 Int A, B, C, D */ -/*0x08*/0, 0, 0, 0, /* PCI A slot 2 Int A, B, C, D */ -/*0x0c*/0, 0, 0, 0, /* PCI A slot 3 Int A, B, C, D */ -/*0x10*/0, 0, 0, 0, /* PCI B slot 0 Int A, B, C, D */ -/*0x14*/0, 0, 0, 0, /* PCI B slot 1 Int A, B, C, D */ -/*0x18*/0, 0, 0, 0, /* PCI B slot 2 Int A, B, C, D */ -/*0x1c*/0, 0, 0, 0, /* PCI B slot 3 Int A, B, C, D */ -/*0x20*/4, /* SCSI */ -/*0x21*/5, /* Ethernet */ -/*0x22*/8, /* Parallel Port */ -/*0x23*/13, /* Audio Record */ -/*0x24*/14, /* Audio Playback */ -/*0x25*/15, /* PowerFail */ -/*0x26*/4, /* second SCSI */ -/*0x27*/11, /* Floppy */ -/*0x28*/4, /* Spare Hardware */ -/*0x29*/9, /* Keyboard */ -/*0x2a*/4, /* Mouse */ -/*0x2b*/12, /* Serial */ -/*0x2c*/10, /* Timer 0 */ -/*0x2d*/11, /* Timer 1 */ -/*0x2e*/15, /* Uncorrectable ECC */ -/*0x2f*/15, /* Correctable ECC */ -/*0x30*/15, /* PCI Bus A Error */ -/*0x31*/15, /* PCI Bus B Error */ -/*0x32*/15, /* Power Management */ -}; - -static int psycho_ino_to_pil(struct pci_dev *pdev, unsigned int ino) -{ - int ret; - - ret = psycho_pil_table[ino]; - if (ret == 0 && pdev == NULL) { - ret = 4; - } else if (ret == 0) { - switch ((pdev->class >> 16) & 0xff) { - case PCI_BASE_CLASS_STORAGE: - ret = 4; - break; - - case PCI_BASE_CLASS_NETWORK: - ret = 6; - break; - - case PCI_BASE_CLASS_DISPLAY: - ret = 9; - break; - - case PCI_BASE_CLASS_MULTIMEDIA: - case PCI_BASE_CLASS_MEMORY: - case PCI_BASE_CLASS_BRIDGE: - case PCI_BASE_CLASS_SERIAL: - ret = 10; - break; - - default: - ret = 4; - break; - }; - } - - return ret; -} - -static unsigned int psycho_irq_build(struct pci_pbm_info *pbm, - struct pci_dev *pdev, - unsigned int ino) -{ - struct ino_bucket *bucket; - unsigned long imap, iclr; - unsigned long imap_off, iclr_off; - int pil, inofixup = 0; - - ino &= PCI_IRQ_INO; - if (ino < PSYCHO_ONBOARD_IRQ_BASE) { - /* PCI slot */ - imap_off = psycho_pcislot_imap_offset(ino); - } else { - /* Onboard device */ - if (ino > PSYCHO_ONBOARD_IRQ_LAST) { - prom_printf("psycho_irq_build: Wacky INO [%x]\n", ino); - prom_halt(); - } - imap_off = psycho_onboard_imap_offset(ino); - } - - /* Now build the IRQ bucket. */ - pil = psycho_ino_to_pil(pdev, ino); - - if (PIL_RESERVED(pil)) - BUG(); - - imap = pbm->controller_regs + imap_off; - imap += 4; - - iclr_off = psycho_iclr_offset(ino); - iclr = pbm->controller_regs + iclr_off; - iclr += 4; - - if ((ino & 0x20) == 0) - inofixup = ino & 0x03; - - bucket = __bucket(build_irq(pil, inofixup, iclr, imap)); - bucket->flags |= IBF_PCI; - - return __irq(bucket); -} - /* PSYCHO error handling support. */ enum psycho_error_type { UE_ERR, CE_ERR, PCI_ERR @@ -712,7 +533,7 @@ static void psycho_check_iommu_error(struct pci_controller_info *p, #define PSYCHO_UEAFSR_RESV2 0x00000000007fffffUL /* Reserved */ #define PSYCHO_UE_AFAR 0x0038UL -static irqreturn_t psycho_ue_intr(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t psycho_ue_intr(int irq, void *dev_id) { struct pci_controller_info *p = dev_id; unsigned long afsr_reg = p->pbm_A.controller_regs + PSYCHO_UE_AFSR; @@ -789,7 +610,7 @@ static irqreturn_t psycho_ue_intr(int irq, void *dev_id, struct pt_regs *regs) #define PSYCHO_CEAFSR_RESV2 0x00000000007fffffUL /* Reserved */ #define PSYCHO_CE_AFAR 0x0040UL -static irqreturn_t psycho_ce_intr(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t psycho_ce_intr(int irq, void *dev_id) { struct pci_controller_info *p = dev_id; unsigned long afsr_reg = p->pbm_A.controller_regs + PSYCHO_CE_AFSR; @@ -914,7 +735,7 @@ static irqreturn_t psycho_pcierr_intr_other(struct pci_pbm_info *pbm, int is_pbm return ret; } -static irqreturn_t psycho_pcierr_intr(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t psycho_pcierr_intr(int irq, void *dev_id) { struct pci_pbm_info *pbm = dev_id; struct pci_controller_info *p = pbm->parent; @@ -1020,51 +841,34 @@ static irqreturn_t psycho_pcierr_intr(int irq, void *dev_id, struct pt_regs *reg #define PSYCHO_ECCCTRL_EE 0x8000000000000000UL /* Enable ECC Checking */ #define PSYCHO_ECCCTRL_UE 0x4000000000000000UL /* Enable UE Interrupts */ #define PSYCHO_ECCCTRL_CE 0x2000000000000000UL /* Enable CE INterrupts */ -#define PSYCHO_UE_INO 0x2e -#define PSYCHO_CE_INO 0x2f -#define PSYCHO_PCIERR_A_INO 0x30 -#define PSYCHO_PCIERR_B_INO 0x31 static void psycho_register_error_handlers(struct pci_controller_info *p) { struct pci_pbm_info *pbm = &p->pbm_A; /* arbitrary */ + struct of_device *op = of_find_device_by_node(pbm->prom_node); unsigned long base = p->pbm_A.controller_regs; - unsigned int irq, portid = pbm->portid; u64 tmp; - /* Build IRQs and register handlers. */ - irq = psycho_irq_build(pbm, NULL, (portid << 6) | PSYCHO_UE_INO); - if (request_irq(irq, psycho_ue_intr, - SA_SHIRQ, "PSYCHO UE", p) < 0) { - prom_printf("PSYCHO%d: Cannot register UE interrupt.\n", - p->index); - prom_halt(); - } + if (!op) + return; - irq = psycho_irq_build(pbm, NULL, (portid << 6) | PSYCHO_CE_INO); - if (request_irq(irq, psycho_ce_intr, - SA_SHIRQ, "PSYCHO CE", p) < 0) { - prom_printf("PSYCHO%d: Cannot register CE interrupt.\n", - p->index); - prom_halt(); - } + /* Psycho interrupt property order is: + * 0: PCIERR PBM B INO + * 1: UE ERR + * 2: CE ERR + * 3: POWER FAIL + * 4: SPARE HARDWARE + * 5: PCIERR PBM A INO + */ - pbm = &p->pbm_A; - irq = psycho_irq_build(pbm, NULL, (portid << 6) | PSYCHO_PCIERR_A_INO); - if (request_irq(irq, psycho_pcierr_intr, - SA_SHIRQ, "PSYCHO PCIERR", &p->pbm_A) < 0) { - prom_printf("PSYCHO%d(PBMA): Cannot register PciERR interrupt.\n", - p->index); - prom_halt(); - } + if (op->num_irqs < 6) + return; - pbm = &p->pbm_B; - irq = psycho_irq_build(pbm, NULL, (portid << 6) | PSYCHO_PCIERR_B_INO); - if (request_irq(irq, psycho_pcierr_intr, - SA_SHIRQ, "PSYCHO PCIERR", &p->pbm_B) < 0) { - prom_printf("PSYCHO%d(PBMB): Cannot register PciERR interrupt.\n", - p->index); - prom_halt(); - } + request_irq(op->irqs[1], psycho_ue_intr, IRQF_SHARED, "PSYCHO UE", p); + request_irq(op->irqs[2], psycho_ce_intr, IRQF_SHARED, "PSYCHO CE", p); + request_irq(op->irqs[5], psycho_pcierr_intr, IRQF_SHARED, + "PSYCHO PCIERR-A", &p->pbm_A); + request_irq(op->irqs[0], psycho_pcierr_intr, IRQF_SHARED, + "PSYCHO PCIERR-B", &p->pbm_B); /* Enable UE and CE interrupts for controller. */ psycho_write(base + PSYCHO_ECC_CTRL, @@ -1164,7 +968,7 @@ static void pbm_config_busmastering(struct pci_pbm_info *pbm) static void pbm_scan_bus(struct pci_controller_info *p, struct pci_pbm_info *pbm) { - struct pcidev_cookie *cookie = kmalloc(sizeof(*cookie), GFP_KERNEL); + struct pcidev_cookie *cookie = kzalloc(sizeof(*cookie), GFP_KERNEL); if (!cookie) { prom_printf("PSYCHO: Critical allocation failure.\n"); @@ -1172,7 +976,6 @@ static void pbm_scan_bus(struct pci_controller_info *p, } /* All we care about is the PBM. */ - memset(cookie, 0, sizeof(*cookie)); cookie->pbm = pbm; pbm->pci_bus = pci_scan_bus(pbm->pci_first_busno, @@ -1248,9 +1051,7 @@ static void psycho_iommu_init(struct pci_controller_info *p) /* If necessary, hook us up for starfire IRQ translations. */ if (this_is_starfire) - p->starfire_cookie = starfire_hookup(p->pbm_A.portid); - else - p->starfire_cookie = NULL; + starfire_hookup(p->pbm_A.portid); } #define PSYCHO_IRQ_RETRY 0x1a00UL @@ -1298,9 +1099,6 @@ static void pbm_register_toplevel_resources(struct pci_controller_info *p, { char *name = pbm->name; - sprintf(name, "PSYCHO%d PBM%c", - p->index, - (pbm == &p->pbm_A ? 'A' : 'B')); pbm->io_space.name = pbm->mem_space.name = name; request_resource(&ioport_resource, &pbm->io_space); @@ -1369,11 +1167,12 @@ static void psycho_pbm_strbuf_init(struct pci_controller_info *p, #define PSYCHO_MEMSPACE_SIZE 0x07fffffffUL static void psycho_pbm_init(struct pci_controller_info *p, - int prom_node, int is_pbm_a) + struct device_node *dp, int is_pbm_a) { - unsigned int busrange[2]; + unsigned int *busrange; + struct property *prop; struct pci_pbm_info *pbm; - int err; + int len; if (is_pbm_a) { pbm = &p->pbm_A; @@ -1388,57 +1187,53 @@ static void psycho_pbm_init(struct pci_controller_info *p, } pbm->chip_type = PBM_CHIP_TYPE_PSYCHO; - pbm->chip_version = - prom_getintdefault(prom_node, "version#", 0); - pbm->chip_revision = - prom_getintdefault(prom_node, "module-revision#", 0); + pbm->chip_version = 0; + prop = of_find_property(dp, "version#", NULL); + if (prop) + pbm->chip_version = *(int *) prop->value; + pbm->chip_revision = 0; + prop = of_find_property(dp, "module-revision#", NULL); + if (prop) + pbm->chip_revision = *(int *) prop->value; pbm->io_space.end = pbm->io_space.start + PSYCHO_IOSPACE_SIZE; pbm->io_space.flags = IORESOURCE_IO; pbm->mem_space.end = pbm->mem_space.start + PSYCHO_MEMSPACE_SIZE; pbm->mem_space.flags = IORESOURCE_MEM; - pbm_register_toplevel_resources(p, pbm); pbm->parent = p; - pbm->prom_node = prom_node; - prom_getstring(prom_node, "name", - pbm->prom_name, - sizeof(pbm->prom_name)); - - err = prom_getproperty(prom_node, "ranges", - (char *)pbm->pbm_ranges, - sizeof(pbm->pbm_ranges)); - if (err != -1) + pbm->prom_node = dp; + pbm->name = dp->full_name; + + pbm_register_toplevel_resources(p, pbm); + + printk("%s: PSYCHO PCI Bus Module ver[%x:%x]\n", + pbm->name, + pbm->chip_version, pbm->chip_revision); + + prop = of_find_property(dp, "ranges", &len); + if (prop) { + pbm->pbm_ranges = prop->value; pbm->num_pbm_ranges = - (err / sizeof(struct linux_prom_pci_ranges)); - else + (len / sizeof(struct linux_prom_pci_ranges)); + } else { pbm->num_pbm_ranges = 0; + } - err = prom_getproperty(prom_node, "interrupt-map", - (char *)pbm->pbm_intmap, - sizeof(pbm->pbm_intmap)); - if (err != -1) { - pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap)); - err = prom_getproperty(prom_node, "interrupt-map-mask", - (char *)&pbm->pbm_intmask, - sizeof(pbm->pbm_intmask)); - if (err == -1) { - prom_printf("PSYCHO-PBM: Fatal error, no " - "interrupt-map-mask.\n"); - prom_halt(); - } + prop = of_find_property(dp, "interrupt-map", &len); + if (prop) { + pbm->pbm_intmap = prop->value; + pbm->num_pbm_intmap = + (len / sizeof(struct linux_prom_pci_intmap)); + + prop = of_find_property(dp, "interrupt-map-mask", NULL); + pbm->pbm_intmask = prop->value; } else { pbm->num_pbm_intmap = 0; - memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask)); } - err = prom_getproperty(prom_node, "bus-range", - (char *)&busrange[0], - sizeof(busrange)); - if (err == 0 || err == -1) { - prom_printf("PSYCHO-PBM: Fatal error, no bus-range.\n"); - prom_halt(); - } + prop = of_find_property(dp, "bus-range", NULL); + busrange = prop->value; pbm->pci_first_busno = busrange[0]; pbm->pci_last_busno = busrange[1]; @@ -1447,36 +1242,38 @@ static void psycho_pbm_init(struct pci_controller_info *p, #define PSYCHO_CONFIGSPACE 0x001000000UL -void psycho_init(int node, char *model_name) +void psycho_init(struct device_node *dp, char *model_name) { - struct linux_prom64_registers pr_regs[3]; + struct linux_prom64_registers *pr_regs; struct pci_controller_info *p; struct pci_iommu *iommu; + struct property *prop; u32 upa_portid; - int is_pbm_a, err; + int is_pbm_a; - upa_portid = prom_getintdefault(node, "upa-portid", 0xff); + upa_portid = 0xff; + prop = of_find_property(dp, "upa-portid", NULL); + if (prop) + upa_portid = *(u32 *) prop->value; for(p = pci_controller_root; p; p = p->next) { if (p->pbm_A.portid == upa_portid) { - is_pbm_a = (p->pbm_A.prom_node == 0); - psycho_pbm_init(p, node, is_pbm_a); + is_pbm_a = (p->pbm_A.prom_node == NULL); + psycho_pbm_init(p, dp, is_pbm_a); return; } } - p = kmalloc(sizeof(struct pci_controller_info), GFP_ATOMIC); + p = kzalloc(sizeof(struct pci_controller_info), GFP_ATOMIC); if (!p) { prom_printf("PSYCHO: Fatal memory allocation error.\n"); prom_halt(); } - memset(p, 0, sizeof(*p)); - iommu = kmalloc(sizeof(struct pci_iommu), GFP_ATOMIC); + iommu = kzalloc(sizeof(struct pci_iommu), GFP_ATOMIC); if (!iommu) { prom_printf("PSYCHO: Fatal memory allocation error.\n"); prom_halt(); } - memset(iommu, 0, sizeof(*iommu)); p->pbm_A.iommu = p->pbm_B.iommu = iommu; p->next = pci_controller_root; @@ -1487,28 +1284,18 @@ void psycho_init(int node, char *model_name) p->index = pci_num_controllers++; p->pbms_same_domain = 0; p->scan_bus = psycho_scan_bus; - p->irq_build = psycho_irq_build; p->base_address_update = psycho_base_address_update; p->resource_adjust = psycho_resource_adjust; p->pci_ops = &psycho_ops; - err = prom_getproperty(node, "reg", - (char *)&pr_regs[0], - sizeof(pr_regs)); - if (err == 0 || err == -1) { - prom_printf("PSYCHO: Fatal error, no reg property.\n"); - prom_halt(); - } + prop = of_find_property(dp, "reg", NULL); + pr_regs = prop->value; p->pbm_A.controller_regs = pr_regs[2].phys_addr; p->pbm_B.controller_regs = pr_regs[2].phys_addr; - printk("PCI: Found PSYCHO, control regs at %016lx\n", - p->pbm_A.controller_regs); p->pbm_A.config_space = p->pbm_B.config_space = (pr_regs[2].phys_addr + PSYCHO_CONFIGSPACE); - printk("PSYCHO: Shared PCI config space at %016lx\n", - p->pbm_A.config_space); /* * Psycho's PCI MEM space is mapped to a 2GB aligned area, so @@ -1521,5 +1308,5 @@ void psycho_init(int node, char *model_name) psycho_iommu_init(p); is_pbm_a = ((pr_regs[0].phys_addr & 0x6000) == 0x2000); - psycho_pbm_init(p, node, is_pbm_a); + psycho_pbm_init(p, dp, is_pbm_a); }