X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=sidebyside;f=include%2Fcpu.h;h=bda53150a6fb2bc1ebcb351f48ad4c175bcd8f3f;hb=11e44fc6bda2248271d26a8488f5efe189b55a30;hp=34c60bcbaa1d0edd814f1faec85f6b46a96780ff;hpb=11f4dc1583c387fbb46d473c942c4bcfe5af303e;p=u-boot diff --git a/include/cpu.h b/include/cpu.h index 34c60bcbaa..bda53150a6 100644 --- a/include/cpu.h +++ b/include/cpu.h @@ -15,15 +15,20 @@ * device. * * @cpu_id: Platform-specific way of identifying the CPU. + * @ucode_version: Microcode version, if CPU_FEAT_UCODE is set */ struct cpu_platdata { int cpu_id; + int ucode_version; + ulong device_id; }; /* CPU features - mostly just a placeholder for now */ enum { CPU_FEAT_L1_CACHE = 0, /* Supports level 1 cache */ CPU_FEAT_MMU = 1, /* Supports virtual memory */ + CPU_FEAT_UCODE = 2, /* Requires/uses microcode */ + CPU_FEAT_DEVICE_ID = 3, /* Provides a device ID */ CPU_FEAT_COUNT, }; @@ -58,6 +63,14 @@ struct cpu_ops { * @return 0 if OK, -ve on error */ int (*get_info)(struct udevice *dev, struct cpu_info *info); + + /** + * get_count() - Get number of CPUs + * + * @dev: Device to check (UCLASS_CPU) + * @return CPU count if OK, -ve on error + */ + int (*get_count)(struct udevice *dev); }; #define cpu_get_ops(dev) ((struct cpu_ops *)(dev)->driver->ops) @@ -81,4 +94,12 @@ int cpu_get_desc(struct udevice *dev, char *buf, int size); */ int cpu_get_info(struct udevice *dev, struct cpu_info *info); +/** + * cpu_get_count() - Get number of CPUs + * + * @dev: Device to check (UCLASS_CPU) + * @return CPU count if OK, -ve on error + */ +int cpu_get_count(struct udevice *dev); + #endif