diff options
Diffstat (limited to 'arch/powerpc/platforms/85xx/corenet_ds.c')
| -rw-r--r-- | arch/powerpc/platforms/85xx/corenet_ds.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/corenet_ds.c b/arch/powerpc/platforms/85xx/corenet_ds.c index aa3690bae415..8e0285adeb45 100644 --- a/arch/powerpc/platforms/85xx/corenet_ds.c +++ b/arch/powerpc/platforms/85xx/corenet_ds.c @@ -25,6 +25,7 @@ #include <asm/prom.h> #include <asm/udbg.h> #include <asm/mpic.h> +#include <asm/ehv_pic.h> #include <linux/of_platform.h> #include <sysdev/fsl_soc.h> @@ -94,3 +95,88 @@ int __init corenet_ds_publish_devices(void) { return of_platform_bus_probe(NULL, of_device_ids, NULL); } + +static const char * const boards[] __initconst = { + "fsl,P2041RDB", + "fsl,P3041DS", + "fsl,P4080DS", + "fsl,P5020DS", + "fsl,P5040DS", + "fsl,T4240QDS", + "fsl,B4860QDS", + "fsl,B4420QDS", + "fsl,B4220QDS", + NULL +}; + +static const char * const hv_boards[] __initconst = { + "fsl,P2041RDB-hv", + "fsl,P3041DS-hv", + "fsl,P4080DS-hv", + "fsl,P5020DS-hv", + "fsl,P5040DS-hv", + "fsl,T4240QDS-hv", + "fsl,B4860QDS-hv", + "fsl,B4420QDS-hv", + "fsl,B4220QDS-hv", + NULL +}; + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init corenet_generic_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); +#ifdef CONFIG_SMP + extern struct smp_ops_t smp_85xx_ops; +#endif + + if (of_flat_dt_match(root, boards)) + return 1; + + /* Check if we're running under the Freescale hypervisor */ + if (of_flat_dt_match(root, hv_boards)) { + ppc_md.init_IRQ = ehv_pic_init; + ppc_md.get_irq = ehv_pic_get_irq; + ppc_md.restart = fsl_hv_restart; + ppc_md.power_off = fsl_hv_halt; + ppc_md.halt = fsl_hv_halt; +#ifdef CONFIG_SMP + /* + * Disable the timebase sync operations because we can't write + * to the timebase registers under the hypervisor. + */ + smp_85xx_ops.give_timebase = NULL; + smp_85xx_ops.take_timebase = NULL; +#endif + return 1; + } + + return 0; +} + +define_machine(corenet_generic) { + .name = "CoreNet Generic", + .probe = corenet_generic_probe, + .setup_arch = corenet_ds_setup_arch, + .init_IRQ = corenet_ds_pic_init, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif + .get_irq = mpic_get_coreint_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +#ifdef CONFIG_PPC64 + .power_save = book3e_idle, +#else + .power_save = e500_idle, +#endif +}; + +machine_arch_initcall(corenet_generic, corenet_ds_publish_devices); + +#ifdef CONFIG_SWIOTLB +machine_arch_initcall(corenet_generic, swiotlb_setup_bus_notifier); +#endif |