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