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author | Ishizaki Kou <kou.ishizaki@toshiba.co.jp> | 2008-04-24 09:21:10 (GMT) |
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committer | Paul Mackerras <paulus@samba.org> | 2008-04-24 11:08:12 (GMT) |
commit | 7cfb62a2e820b6032c08835dbd996d8518af14a3 (patch) | |
tree | fdcd728c96ca020214452f11ae8600525e9d3773 /arch/powerpc/platforms/cell/setup.c | |
parent | 36f8a2c4c61e3559a95190e457b431c6900859b4 (diff) | |
download | linux-fsl-qoriq-7cfb62a2e820b6032c08835dbd996d8518af14a3.tar.xz |
[POWERPC] cell: Generalize io-workarounds code
This splits cell io-workaround code into spider-pci dependent code and
a generic part, and also moves io-workarounds initialization into
cell_setup_phb.
Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/cell/setup.c')
-rw-r--r-- | arch/powerpc/platforms/cell/setup.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index 5c531e8..ab721b5 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -57,6 +57,7 @@ #include "interrupt.h" #include "pervasive.h" #include "ras.h" +#include "io-workarounds.h" #ifdef DEBUG #define DBG(fmt...) udbg_printf(fmt) @@ -117,13 +118,50 @@ static void cell_fixup_pcie_rootcomplex(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, cell_fixup_pcie_rootcomplex); +static int __devinit cell_setup_phb(struct pci_controller *phb) +{ + const char *model; + struct device_node *np; + + int rc = rtas_setup_phb(phb); + if (rc) + return rc; + + np = phb->dn; + model = of_get_property(np, "model", NULL); + if (model == NULL || strcmp(np->name, "pci")) + return 0; + + /* Setup workarounds for spider */ + if (strcmp(model, "Spider")) + return 0; + + iowa_register_bus(phb, &spiderpci_ops, &spiderpci_iowa_init, + (void *)SPIDER_PCI_REG_BASE); + io_workaround_init(); + + return 0; +} + static int __init cell_publish_devices(void) { + struct device_node *root = of_find_node_by_path("/"); + struct device_node *np; int node; /* Publish OF platform devices for southbridge IOs */ of_platform_bus_probe(NULL, NULL, NULL); + /* On spider based blades, we need to manually create the OF + * platform devices for the PCI host bridges + */ + for_each_child_of_node(root, np) { + if (np->type == NULL || (strcmp(np->type, "pci") != 0 && + strcmp(np->type, "pciex") != 0)) + continue; + of_platform_device_create(np, NULL, NULL); + } + /* There is no device for the MIC memory controller, thus we create * a platform device for it to attach the EDAC driver to. */ @@ -132,6 +170,7 @@ static int __init cell_publish_devices(void) continue; platform_device_register_simple("cbe-mic", node, NULL, 0); } + return 0; } machine_subsys_initcall(cell, cell_publish_devices); @@ -213,7 +252,7 @@ static void __init cell_setup_arch(void) /* Find and initialize PCI host bridges */ init_pci_config_tokens(); - find_and_init_phbs(); + cbe_pervasive_init(); #ifdef CONFIG_DUMMY_CONSOLE conswitchp = &dummy_con; @@ -249,7 +288,7 @@ define_machine(cell) { .calibrate_decr = generic_calibrate_decr, .progress = cell_progress, .init_IRQ = cell_init_irq, - .pci_setup_phb = rtas_setup_phb, + .pci_setup_phb = cell_setup_phb, #ifdef CONFIG_KEXEC .machine_kexec = default_machine_kexec, .machine_kexec_prepare = default_machine_kexec_prepare, |