diff options
| author | Rob Herring <rob.herring@calxeda.com> | 2012-02-28 16:05:10 -0600 |
|---|---|---|
| committer | Rob Herring <rob.herring@calxeda.com> | 2012-07-26 09:10:00 -0500 |
| commit | d191bb6961ab5f8de9b20b9540b81f352f5dd765 (patch) | |
| tree | 7fc845deb658b3307f6285747cb7320741bc2b61 /arch/arm/mach-dove/pcie.c | |
| parent | 8ef6e6201b26cb9fde79c1baa08145af6aca2815 (diff) | |
| download | linux-d191bb6961ab5f8de9b20b9540b81f352f5dd765.tar.bz2 | |
ARM: dove: use fixed PCI i/o mapping
The i/o regions are changed from 1MB to 64KB. It's likely that the 2nd
bus is not setup correctly.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-dove/pcie.c')
| -rw-r--r-- | arch/arm/mach-dove/pcie.c | 43 |
1 files changed, 14 insertions, 29 deletions
diff --git a/arch/arm/mach-dove/pcie.c b/arch/arm/mach-dove/pcie.c index 47921b0cdc65..355332d502cb 100644 --- a/arch/arm/mach-dove/pcie.c +++ b/arch/arm/mach-dove/pcie.c @@ -26,9 +26,8 @@ struct pcie_port { u8 root_bus_nr; void __iomem *base; spinlock_t conf_lock; - char io_space_name[16]; char mem_space_name[16]; - struct resource res[2]; + struct resource res; }; static struct pcie_port pcie_port[2]; @@ -53,24 +52,10 @@ static int __init dove_pcie_setup(int nr, struct pci_sys_data *sys) orion_pcie_setup(pp->base); - /* - * IORESOURCE_IO - */ - snprintf(pp->io_space_name, sizeof(pp->io_space_name), - "PCIe %d I/O", pp->index); - pp->io_space_name[sizeof(pp->io_space_name) - 1] = 0; - pp->res[0].name = pp->io_space_name; - if (pp->index == 0) { - pp->res[0].start = DOVE_PCIE0_IO_PHYS_BASE; - pp->res[0].end = pp->res[0].start + DOVE_PCIE0_IO_SIZE - 1; - } else { - pp->res[0].start = DOVE_PCIE1_IO_PHYS_BASE; - pp->res[0].end = pp->res[0].start + DOVE_PCIE1_IO_SIZE - 1; - } - pp->res[0].flags = IORESOURCE_IO; - if (request_resource(&ioport_resource, &pp->res[0])) - panic("Request PCIe IO resource failed\n"); - pci_add_resource_offset(&sys->resources, &pp->res[0], sys->io_offset); + if (pp->index == 0) + pci_ioremap_io(sys->busnr * SZ_64K, DOVE_PCIE0_IO_PHYS_BASE); + else + pci_ioremap_io(sys->busnr * SZ_64K, DOVE_PCIE1_IO_PHYS_BASE); /* * IORESOURCE_MEM @@ -78,18 +63,18 @@ static int __init dove_pcie_setup(int nr, struct pci_sys_data *sys) snprintf(pp->mem_space_name, sizeof(pp->mem_space_name), "PCIe %d MEM", pp->index); pp->mem_space_name[sizeof(pp->mem_space_name) - 1] = 0; - pp->res[1].name = pp->mem_space_name; + pp->res.name = pp->mem_space_name; if (pp->index == 0) { - pp->res[1].start = DOVE_PCIE0_MEM_PHYS_BASE; - pp->res[1].end = pp->res[1].start + DOVE_PCIE0_MEM_SIZE - 1; + pp->res.start = DOVE_PCIE0_MEM_PHYS_BASE; + pp->res.end = pp->res.start + DOVE_PCIE0_MEM_SIZE - 1; } else { - pp->res[1].start = DOVE_PCIE1_MEM_PHYS_BASE; - pp->res[1].end = pp->res[1].start + DOVE_PCIE1_MEM_SIZE - 1; + pp->res.start = DOVE_PCIE1_MEM_PHYS_BASE; + pp->res.end = pp->res.start + DOVE_PCIE1_MEM_SIZE - 1; } - pp->res[1].flags = IORESOURCE_MEM; - if (request_resource(&iomem_resource, &pp->res[1])) + pp->res.flags = IORESOURCE_MEM; + if (request_resource(&iomem_resource, &pp->res)) panic("Request PCIe Memory resource failed\n"); - pci_add_resource_offset(&sys->resources, &pp->res[1], sys->mem_offset); + pci_add_resource_offset(&sys->resources, &pp->res, sys->mem_offset); return 1; } @@ -210,7 +195,7 @@ static void __init add_pcie_port(int index, unsigned long base) pp->root_bus_nr = -1; pp->base = (void __iomem *)base; spin_lock_init(&pp->conf_lock); - memset(pp->res, 0, sizeof(pp->res)); + memset(&pp->res, 0, sizeof(pp->res)); } else { printk(KERN_INFO "link down, ignoring\n"); } |