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Diffstat (limited to 'arch/mips/include/asm/netlogic/common.h')
| -rw-r--r-- | arch/mips/include/asm/netlogic/common.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/arch/mips/include/asm/netlogic/common.h b/arch/mips/include/asm/netlogic/common.h new file mode 100644 index 00000000..aef560a5 --- /dev/null +++ b/arch/mips/include/asm/netlogic/common.h @@ -0,0 +1,113 @@ +/* + * 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_DATA_PHYS (RESET_VEC_PHYS + (1<<10)) +#define BOOT_THREAD_MODE 0 +#define BOOT_NMI_LOCK 4 +#define BOOT_NMI_HANDLER 8 + +#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(unsigned int irq, struct irq_desc *desc); +void nlm_smp_resched_ipi_handler(unsigned int irq, 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_set_nmi_handler(void *handler) +{ + char *reset_data; + + reset_data = (char *)CKSEG1ADDR(RESET_DATA_PHYS); + *(int64_t *)(reset_data + BOOT_NMI_HANDLER) = (long)handler; +} + +/* + * Misc. + */ +unsigned int nlm_get_cpu_frequency(void); +void nlm_node_init(int node); +extern struct plat_smp_ops nlm_smp_ops; +extern char nlm_reset_entry[], nlm_reset_entry_end[]; + +extern unsigned int nlm_threads_per_core; +extern cpumask_t nlm_cpumask; + +struct nlm_soc_info { + unsigned long coremask; /* cores enabled on the soc */ + unsigned long ebase; + uint64_t irqmask; + uint64_t sysbase; /* only for XLP */ + uint64_t picbase; + spinlock_t piclock; +}; + +#define nlm_get_node(i) (&nlm_nodes[i]) +#ifdef CONFIG_CPU_XLR +#define nlm_current_node() (&nlm_nodes[0]) +#else +#define nlm_current_node() (&nlm_nodes[nlm_nodeid()]) +#endif + +struct irq_data; +uint64_t nlm_pci_irqmask(int node); +void nlm_set_pic_extra_ack(int node, int irq, void (*xack)(struct irq_data *)); + +/* + * 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; +} + +extern struct nlm_soc_info nlm_nodes[NLM_NR_NODES]; +extern int nlm_cpu_ready[]; +#endif +#endif /* _NETLOGIC_COMMON_H_ */ |