diff options
Diffstat (limited to 'drivers/pci')
-rw-r--r-- | drivers/pci/fsl_pci_init.c | 10 | ||||
-rw-r--r-- | drivers/pci/pci.c | 102 | ||||
-rw-r--r-- | drivers/pci/pci_ixp.c | 2 | ||||
-rw-r--r-- | drivers/pci/tsi108_pci.c | 2 |
4 files changed, 85 insertions, 31 deletions
diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c index db68f26009..20b2dcc767 100644 --- a/drivers/pci/fsl_pci_init.c +++ b/drivers/pci/fsl_pci_init.c @@ -72,7 +72,7 @@ int fsl_pci_setup_inbound_windows(struct pci_region *r) debug ("R0 bus_start: %llx phys_start: %llx size: %llx\n", (u64)bus_start, (u64)phys_start, (u64)pci_sz); pci_set_region(r++, bus_start, phys_start, pci_sz, - PCI_REGION_MEM | PCI_REGION_MEMORY | + PCI_REGION_MEM | PCI_REGION_SYS_MEMORY | PCI_REGION_PREFETCH); sz -= pci_sz; @@ -84,7 +84,7 @@ int fsl_pci_setup_inbound_windows(struct pci_region *r) debug ("R1 bus_start: %llx phys_start: %llx size: %llx\n", (u64)bus_start, (u64)phys_start, (u64)pci_sz); pci_set_region(r++, bus_start, phys_start, pci_sz, - PCI_REGION_MEM | PCI_REGION_MEMORY | + PCI_REGION_MEM | PCI_REGION_SYS_MEMORY | PCI_REGION_PREFETCH); sz -= pci_sz; bus_start += pci_sz; @@ -108,7 +108,7 @@ int fsl_pci_setup_inbound_windows(struct pci_region *r) CONFIG_SYS_PCI64_MEMORY_BUS, CONFIG_SYS_PCI_MEMORY_PHYS, pci_sz, - PCI_REGION_MEM | PCI_REGION_MEMORY | + PCI_REGION_MEM | PCI_REGION_SYS_MEMORY | PCI_REGION_PREFETCH); #else pci_sz = 1ull << __ilog2_u64(sz); @@ -116,7 +116,7 @@ int fsl_pci_setup_inbound_windows(struct pci_region *r) debug ("R2 bus_start: %llx phys_start: %llx size: %llx\n", (u64)bus_start, (u64)phys_start, (u64)pci_sz); pci_set_region(r++, bus_start, phys_start, pci_sz, - PCI_REGION_MEM | PCI_REGION_MEMORY | + PCI_REGION_MEM | PCI_REGION_SYS_MEMORY | PCI_REGION_PREFETCH); sz -= pci_sz; bus_start += pci_sz; @@ -157,7 +157,7 @@ void fsl_pci_init(struct pci_controller *hose) for (r=0; r<hose->region_count; r++) { u32 sz = (__ilog2_u64((u64)hose->regions[r].size) - 1); - if (hose->regions[r].flags & PCI_REGION_MEMORY) { /* inbound */ + if (hose->regions[r].flags & PCI_REGION_SYS_MEMORY) { /* inbound */ u32 flag = PIWAR_EN | PIWAR_LOCAL | PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP; pi->pitar = (hose->regions[r].phys_start >> 12); diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e2b05d8991..06b56b05f7 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -218,67 +218,121 @@ pci_dev_t pci_find_device(unsigned int vendor, unsigned int device, int index) * */ -pci_addr_t pci_hose_phys_to_bus (struct pci_controller *hose, - phys_addr_t phys_addr, - unsigned long flags) +int __pci_hose_phys_to_bus (struct pci_controller *hose, + phys_addr_t phys_addr, + unsigned long flags, + unsigned long skip_mask, + pci_addr_t *ba) { struct pci_region *res; pci_addr_t bus_addr; int i; - if (!hose) { - printf ("pci_hose_phys_to_bus: %s\n", "invalid hose"); - goto Done; - } - for (i = 0; i < hose->region_count; i++) { res = &hose->regions[i]; if (((res->flags ^ flags) & PCI_REGION_TYPE) != 0) continue; + if (res->flags & skip_mask) + continue; + bus_addr = phys_addr - res->phys_start + res->bus_start; if (bus_addr >= res->bus_start && bus_addr < res->bus_start + res->size) { - return bus_addr; + *ba = bus_addr; + return 0; } } - printf ("pci_hose_phys_to_bus: %s\n", "invalid physical address"); - -Done: - return 0; + return 1; } -phys_addr_t pci_hose_bus_to_phys(struct pci_controller* hose, - pci_addr_t bus_addr, - unsigned long flags) +pci_addr_t pci_hose_phys_to_bus (struct pci_controller *hose, + phys_addr_t phys_addr, + unsigned long flags) { - struct pci_region *res; - int i; + pci_addr_t bus_addr = 0; + int ret; if (!hose) { - printf ("pci_hose_bus_to_phys: %s\n", "invalid hose"); - goto Done; + puts ("pci_hose_phys_to_bus: invalid hose\n"); + return bus_addr; + } + + /* if PCI_REGION_MEM is set we do a two pass search with preference + * on matches that don't have PCI_REGION_SYS_MEMORY set */ + if ((flags & PCI_REGION_MEM) == PCI_REGION_MEM) { + ret = __pci_hose_phys_to_bus(hose, phys_addr, + flags, PCI_REGION_SYS_MEMORY, &bus_addr); + if (!ret) + return bus_addr; } + ret = __pci_hose_phys_to_bus(hose, phys_addr, flags, 0, &bus_addr); + + if (ret) + puts ("pci_hose_phys_to_bus: invalid physical address\n"); + + return bus_addr; +} + +int __pci_hose_bus_to_phys (struct pci_controller *hose, + pci_addr_t bus_addr, + unsigned long flags, + unsigned long skip_mask, + phys_addr_t *pa) +{ + struct pci_region *res; + int i; + for (i = 0; i < hose->region_count; i++) { res = &hose->regions[i]; if (((res->flags ^ flags) & PCI_REGION_TYPE) != 0) continue; + if (res->flags & skip_mask) + continue; + if (bus_addr >= res->bus_start && bus_addr < res->bus_start + res->size) { - return bus_addr - res->bus_start + res->phys_start; + *pa = (bus_addr - res->bus_start + res->phys_start); + return 0; } } - printf ("pci_hose_bus_to_phys: %s\n", "invalid physical address"); + return 1; +} -Done: - return 0; +phys_addr_t pci_hose_bus_to_phys(struct pci_controller* hose, + pci_addr_t bus_addr, + unsigned long flags) +{ + phys_addr_t phys_addr = 0; + int ret; + + if (!hose) { + puts ("pci_hose_bus_to_phys: invalid hose\n"); + return phys_addr; + } + + /* if PCI_REGION_MEM is set we do a two pass search with preference + * on matches that don't have PCI_REGION_SYS_MEMORY set */ + if ((flags & PCI_REGION_MEM) == PCI_REGION_MEM) { + ret = __pci_hose_bus_to_phys(hose, bus_addr, + flags, PCI_REGION_SYS_MEMORY, &phys_addr); + if (!ret) + return phys_addr; + } + + ret = __pci_hose_bus_to_phys(hose, bus_addr, flags, 0, &phys_addr); + + if (ret) + puts ("pci_hose_bus_to_phys: invalid physical address\n"); + + return phys_addr; } /* diff --git a/drivers/pci/pci_ixp.c b/drivers/pci/pci_ixp.c index aae3d3d2c1..3b303b4523 100644 --- a/drivers/pci/pci_ixp.c +++ b/drivers/pci/pci_ixp.c @@ -240,7 +240,7 @@ void pci_ixp_init (struct pci_controller *hose) /* System memory space */ pci_set_region (hose->regions + 0, PCI_MEMORY_BUS, - PCI_MEMORY_PHY, PCI_MEMORY_SIZE, PCI_REGION_MEMORY); + PCI_MEMORY_PHY, PCI_MEMORY_SIZE, PCI_REGION_SYS_MEMORY); /* PCI memory space */ pci_set_region (hose->regions + 1, diff --git a/drivers/pci/tsi108_pci.c b/drivers/pci/tsi108_pci.c index d153fc6beb..627e8a0792 100644 --- a/drivers/pci/tsi108_pci.c +++ b/drivers/pci/tsi108_pci.c @@ -131,7 +131,7 @@ void pci_init_board (void) pci_set_region (hose->regions + 0, CONFIG_SYS_PCI_MEMORY_BUS, CONFIG_SYS_PCI_MEMORY_PHYS, - CONFIG_SYS_PCI_MEMORY_SIZE, PCI_REGION_MEM | PCI_REGION_MEMORY); + CONFIG_SYS_PCI_MEMORY_SIZE, PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); /* PCI memory space */ pci_set_region (hose->regions + 1, |