Initial import

1 files changed, 135 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 000000000..2a4c12827
--- /dev/null
+++ b/arch/mips/include/asm/netlogic/common.h
@@ -0,0 +1,135 @@
+/*
+ * 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(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_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_ */