/* * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights * reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the NetLogic * license below: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _NETLOGIC_COMMON_H_ #define _NETLOGIC_COMMON_H_ /* * Common SMP definitions */ #define RESET_VEC_PHYS 0x1fc00000 #define RESET_VEC_SIZE 8192 /* 8KB reset code and data */ #define RESET_DATA_PHYS (RESET_VEC_PHYS + (1<<10)) /* Offsets of parameters in the RESET_DATA_PHYS area */ #define BOOT_THREAD_MODE 0 #define BOOT_NMI_LOCK 4 #define BOOT_NMI_HANDLER 8 /* CPU ready flags for each CPU */ #define BOOT_CPU_READY 2048 #ifndef __ASSEMBLY__ #include <linux/cpumask.h> #include <linux/spinlock.h> #include <asm/irq.h> #include <asm/mach-netlogic/multi-node.h> struct irq_desc; void nlm_smp_function_ipi_handler(struct irq_desc *desc); void nlm_smp_resched_ipi_handler(struct irq_desc *desc); void nlm_smp_irq_init(int hwcpuid); void nlm_boot_secondary_cpus(void); int nlm_wakeup_secondary_cpus(void); void nlm_rmiboot_preboot(void); void nlm_percpu_init(int hwcpuid); static inline void * nlm_get_boot_data(int offset) { return (void *)(CKSEG1ADDR(RESET_DATA_PHYS) + offset); } static inline void nlm_set_nmi_handler(void *handler) { void *nmih = nlm_get_boot_data(BOOT_NMI_HANDLER); *(int64_t *)nmih = (long)handler; } /* * Misc. */ void nlm_init_boot_cpu(void); unsigned int nlm_get_cpu_frequency(void); extern struct plat_smp_ops nlm_smp_ops; extern char nlm_reset_entry[], nlm_reset_entry_end[]; /* SWIOTLB */ extern struct dma_map_ops nlm_swiotlb_dma_ops; extern unsigned int nlm_threads_per_core; extern cpumask_t nlm_cpumask; struct irq_data; uint64_t nlm_pci_irqmask(int node); void nlm_setup_pic_irq(int node, int picirq, int irq, int irt); void nlm_set_pic_extra_ack(int node, int irq, void (*xack)(struct irq_data *)); #ifdef CONFIG_PCI_MSI void nlm_dispatch_msi(int node, int lirq); void nlm_dispatch_msix(int node, int msixirq); #endif /* * The NR_IRQs is divided between nodes, each of them has a separate irq space */ static inline int nlm_irq_to_xirq(int node, int irq) { return node * NR_IRQS / NLM_NR_NODES + irq; } #ifdef CONFIG_CPU_XLR #define nlm_cores_per_node() 8 #else static inline int nlm_cores_per_node(void) { return ((read_c0_prid() & PRID_IMP_MASK) == PRID_IMP_NETLOGIC_XLP9XX) ? 32 : 8; } #endif static inline int nlm_threads_per_node(void) { return nlm_cores_per_node() * NLM_THREADS_PER_CORE; } static inline int nlm_hwtid_to_node(int hwtid) { return hwtid / nlm_threads_per_node(); } extern int nlm_cpu_ready[]; #endif /* __ASSEMBLY__ */ #endif /* _NETLOGIC_COMMON_H_ */