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| author | Darren Stevens <darren@stevens-zone.net> | 2018-08-19 23:26:28 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-12-20 14:21:20 +0300 |
| commit | 51f4cc2047a4b7e9bf1b49acf06c110991fd4167 (patch) | |
| tree | 083d1dbe293410c70576657c73709b93a1dfdf6f /arch/powerpc/platforms/pasemi | |
| parent | 656fdf3ad8e0ae4c6c3d75af373df6cc9797bac1 (diff) | |
| download | linux-51f4cc2047a4b7e9bf1b49acf06c110991fd4167.tar.xz | |
powerpc/pasemi: Add Nemo board IRQ initroutine
Add a IRQ init routine for the Nemo board which inits and attatches
the i8259 found in the SB600, and a cascade routine to dispatch the
interrupts.
Signed-off-by: Darren Stevens <darren@stevens-zone.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/pasemi')
| -rw-r--r-- | arch/powerpc/platforms/pasemi/pci.c | 11 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/setup.c | 15 |
2 files changed, 26 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pasemi/pci.c b/arch/powerpc/platforms/pasemi/pci.c index 116c0fee6dd0..fdc839d93837 100644 --- a/arch/powerpc/platforms/pasemi/pci.c +++ b/arch/powerpc/platforms/pasemi/pci.c @@ -27,6 +27,7 @@ #include <linux/pci.h> #include <asm/pci-bridge.h> +#include <asm/isa-bridge.h> #include <asm/machdep.h> #include <asm/ppc-pci.h> @@ -181,6 +182,8 @@ static int pa_pxp_read_config(struct pci_bus *bus, unsigned int devfn, addr = pa_pxp_cfg_addr(hose, bus->number, devfn, offset); + sb600_set_flag(bus->number); + /* * Note: the caller has already checked that offset is * suitably aligned and that len is 1, 2 or 4. @@ -215,6 +218,8 @@ static int pa_pxp_write_config(struct pci_bus *bus, unsigned int devfn, addr = pa_pxp_cfg_addr(hose, bus->number, devfn, offset); + sb600_set_flag(bus->number); + /* * Note: the caller has already checked that offset is * suitably aligned and that len is 1, 2 or 4. @@ -265,6 +270,12 @@ static int __init pas_add_bridge(struct device_node *dev) /* Interpret the "ranges" property */ pci_process_bridge_OF_ranges(hose, dev, 1); + /* + * Scan for an isa bridge. This is needed to find the SB600 on the nemo + * and does nothing on machines without one. + */ + isa_bridge_find_early(hose); + return 0; } diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index 5c1a1d959495..c0532999f854 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -314,6 +314,8 @@ static __init void pas_init_IRQ(void) mpic_unmask_irq(irq_get_irq_data(nmi_virq)); } + nemo_init_IRQ(mpic); + of_node_put(mpic_node); of_node_put(root); } @@ -475,6 +477,8 @@ static int __init pasemi_publish_devices(void) /* Publish OF platform devices for SDC and other non-PCI devices */ of_platform_bus_probe(NULL, pasemi_bus_ids, NULL); + nemo_init_rtc(); + return 0; } machine_device_initcall(pasemi, pasemi_publish_devices); @@ -489,6 +493,17 @@ static int __init pas_probe(void) !of_machine_is_compatible("pasemi,pwrficient")) return 0; +#ifdef CONFIG_PPC_PASEMI_NEMO + /* + * Check for the Nemo motherboard here, if we are running on one + * change the machine definition to fit + */ + if (of_machine_is_compatible("pasemi,nemo")) { + pm_power_off = pas_shutdown; + ppc_md.name = "A-EON Amigaone X1000"; + } +#endif + iommu_init_early_pasemi(); return 1; |