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| author | Nicolas Pitre <nico@fluxnic.net> | 2010-07-05 13:59:56 -0400 |
|---|---|---|
| committer | Nicolas Pitre <nico@fluxnic.net> | 2010-07-16 22:01:59 -0400 |
| commit | a87182b3d12e0f6b8cca1731a95bec24269f53ad (patch) | |
| tree | 410d7573c2b66103f39c981e21af9c090436e639 /arch/arm/mach-kirkwood/pcie.c | |
| parent | 16bc90af15da228f396b3dcd1f461663b0dde6a3 (diff) | |
| download | blackbird-op-linux-a87182b3d12e0f6b8cca1731a95bec24269f53ad.tar.gz blackbird-op-linux-a87182b3d12e0f6b8cca1731a95bec24269f53ad.zip | |
[ARM] Kirkwood: more factorization of the PCIe init code
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
Diffstat (limited to 'arch/arm/mach-kirkwood/pcie.c')
| -rw-r--r-- | arch/arm/mach-kirkwood/pcie.c | 52 |
1 files changed, 19 insertions, 33 deletions
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c index 49c4fc6b7a59..55e7f00836b7 100644 --- a/arch/arm/mach-kirkwood/pcie.c +++ b/arch/arm/mach-kirkwood/pcie.c @@ -108,9 +108,10 @@ static struct pci_ops pcie_ops = { .write = pcie_wr_conf, }; -static int __init pcie0_ioresources_setup(struct pci_sys_data *sys) +static void __init pcie0_ioresources_init(struct pcie_port *pp) { - struct pcie_port *pp = (struct pcie_port *)sys->private_data; + pp->base = (void __iomem *)PCIE_VIRT_BASE; + pp->irq = IRQ_KIRKWOOD_PCIE; /* * IORESOURCE_IO @@ -119,9 +120,6 @@ static int __init pcie0_ioresources_setup(struct pci_sys_data *sys) pp->res[0].start = KIRKWOOD_PCIE_IO_PHYS_BASE; pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE_IO_SIZE - 1; pp->res[0].flags = IORESOURCE_IO; - if (request_resource(&ioport_resource, &pp->res[0])) - panic("Request PCIe 0 IO resource failed\n"); - sys->resource[0] = &pp->res[0]; /* * IORESOURCE_MEM @@ -130,19 +128,12 @@ static int __init pcie0_ioresources_setup(struct pci_sys_data *sys) pp->res[1].start = KIRKWOOD_PCIE_MEM_PHYS_BASE; pp->res[1].end = pp->res[1].start + KIRKWOOD_PCIE_MEM_SIZE - 1; pp->res[1].flags = IORESOURCE_MEM; - if (request_resource(&iomem_resource, &pp->res[1])) - panic("Request PCIe 0 Memory resource failed\n"); - sys->resource[1] = &pp->res[1]; - - sys->resource[2] = NULL; - sys->io_offset = 0; - - return 1; } -static int __init pcie1_ioresources_setup(struct pci_sys_data *sys) +static void __init pcie1_ioresources_init(struct pcie_port *pp) { - struct pcie_port *pp = (struct pcie_port *)sys->private_data; + pp->base = (void __iomem *)PCIE1_VIRT_BASE; + pp->irq = IRQ_KIRKWOOD_PCIE1; /* * IORESOURCE_IO @@ -151,9 +142,6 @@ static int __init pcie1_ioresources_setup(struct pci_sys_data *sys) pp->res[0].start = KIRKWOOD_PCIE1_IO_PHYS_BASE; pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE1_IO_SIZE - 1; pp->res[0].flags = IORESOURCE_IO; - if (request_resource(&ioport_resource, &pp->res[0])) - panic("Request PCIe 1 IO resource failed\n"); - sys->resource[0] = &pp->res[0]; /* * IORESOURCE_MEM @@ -162,14 +150,6 @@ static int __init pcie1_ioresources_setup(struct pci_sys_data *sys) pp->res[1].start = KIRKWOOD_PCIE1_MEM_PHYS_BASE; pp->res[1].end = pp->res[1].start + KIRKWOOD_PCIE1_MEM_SIZE - 1; pp->res[1].flags = IORESOURCE_MEM; - if (request_resource(&iomem_resource, &pp->res[1])) - panic("Request PCIe 1 Memory resource failed\n"); - sys->resource[1] = &pp->res[1]; - - sys->resource[2] = NULL; - sys->io_offset = 0; - - return 1; } static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) @@ -193,21 +173,27 @@ static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) switch (index) { case 0: - pp->base = (void __iomem *)PCIE_VIRT_BASE; - pp->irq = IRQ_KIRKWOOD_PCIE; kirkwood_clk_ctrl |= CGC_PEX0; - pcie0_ioresources_setup(sys); + pcie0_ioresources_init(pp); break; case 1: - pp->base = (void __iomem *)PCIE1_VIRT_BASE; - pp->irq = IRQ_KIRKWOOD_PCIE1; kirkwood_clk_ctrl |= CGC_PEX1; - pcie1_ioresources_setup(sys); + pcie1_ioresources_init(pp); break; default: - panic("PCIe setup: invalid controller"); + panic("PCIe setup: invalid controller %d", index); } + if (request_resource(&ioport_resource, &pp->res[0])) + panic("Request PCIe%d IO resource failed\n", index); + if (request_resource(&iomem_resource, &pp->res[1])) + panic("Request PCIe%d Memory resource failed\n", index); + + sys->resource[0] = &pp->res[0]; + sys->resource[1] = &pp->res[1]; + sys->resource[2] = NULL; + sys->io_offset = 0; + /* * Generic PCIe unit setup. */ |
