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Date: Thu, 24 Jan 2008 16:03:24 +0100
From: monstr@...str.eu
To: monstr@...str.eu
Cc: linux-kernel@...r.kernel.org, stephen.neuendorffer@...inx.com,
john.williams@...alogix.com, microblaze-uclinux@...e.uq.edu.au
Subject: [PATCH 49/52] [microblaze] device.h param.h topology.h
From: Michal Simek <monstr@...str.eu>
Signed-off-by: Michal Simek <monstr@...str.eu>
---
include/asm-microblaze/device.h | 27 ++++++++
include/asm-microblaze/param.h | 36 +++++++++++
include/asm-microblaze/topology.h | 124 +++++++++++++++++++++++++++++++++++++
3 files changed, 187 insertions(+), 0 deletions(-)
create mode 100644 include/asm-microblaze/device.h
create mode 100644 include/asm-microblaze/param.h
create mode 100644 include/asm-microblaze/topology.h
diff --git a/include/asm-microblaze/device.h b/include/asm-microblaze/device.h
new file mode 100644
index 0000000..c0e203c
--- /dev/null
+++ b/include/asm-microblaze/device.h
@@ -0,0 +1,27 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+
+#ifndef _ASM_MICROBLAZE_DEVICE_H
+#define _ASM_MICROBLAZE_DEVICE_H
+
+struct dma_mapping_ops;
+struct device_node;
+
+struct dev_archdata {
+ /* Optional pointer to an OF device node */
+ struct device_node *of_node;
+
+ /* DMA operations on that device */
+ struct dma_mapping_ops *dma_ops;
+ void *dma_data;
+
+ /* NUMA node if applicable */
+ int numa_node;
+};
+
+#endif /* _ASM_MICROBLAZE_DEVICE_H */
+
+
diff --git a/include/asm-microblaze/param.h b/include/asm-microblaze/param.h
new file mode 100644
index 0000000..b79d739
--- /dev/null
+++ b/include/asm-microblaze/param.h
@@ -0,0 +1,36 @@
+/*
+ * include/asm-microblaze/param.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ */
+
+#ifndef _ASM_PARAM_H
+#define _ASM_PARAM_H
+
+#ifdef __KERNEL__
+# define HZ 100 /* internal timer frequency */
+# define USER_HZ 100 /* for user interfaces in "ticks" */
+# define CLOCKS_PER_SEC (USER_HZ) /* frequnzy at which times() counts */
+#endif
+
+#ifndef NGROUPS
+#define NGROUPS 32
+#endif
+
+#ifndef NOGROUP
+#define NOGROUP (-1)
+#endif
+
+#define EXEC_PAGESIZE 4096
+
+#ifndef HZ
+#define HZ 100
+#endif
+
+#define MAXHOSTNAMELEN 64 /* max length of hostname */
+
+#endif /* _ASM_PARAM_H */
diff --git a/include/asm-microblaze/topology.h b/include/asm-microblaze/topology.h
new file mode 100644
index 0000000..4d3e2e7
--- /dev/null
+++ b/include/asm-microblaze/topology.h
@@ -0,0 +1,124 @@
+/*
+ * include/asm-microblaze/topology.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ */
+
+#ifndef _ASM_TOPOLOGY_H
+#define _ASM_TOPOLOGY_H
+#ifdef __KERNEL__
+
+struct sys_device;
+struct device_node;
+
+#ifdef CONFIG_NUMA
+
+#include <asm/mmzone.h>
+
+static inline int cpu_to_node(int cpu)
+{
+ return numa_cpu_lookup_table[cpu];
+}
+
+#define parent_node(node) (node)
+
+static inline cpumask_t node_to_cpumask(int node)
+{
+ return numa_cpumask_lookup_table[node];
+}
+
+static inline int node_to_first_cpu(int node)
+{
+ cpumask_t tmp;
+ tmp = node_to_cpumask(node);
+ return first_cpu(tmp);
+}
+
+int of_node_to_nid(struct device_node *device);
+
+struct pci_bus;
+#ifdef CONFIG_PCI
+extern int pcibus_to_node(struct pci_bus *bus);
+#else
+static inline int pcibus_to_node(struct pci_bus *bus)
+{
+ return -1;
+}
+#endif
+
+#define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \
+ CPU_MASK_ALL : \
+ node_to_cpumask(pcibus_to_node(bus)) \
+ )
+
+/* sched_domains SD_NODE_INIT for PPC64 machines */
+#define SD_NODE_INIT (struct sched_domain) { \
+ .span = CPU_MASK_NONE, \
+ .parent = NULL, \
+ .child = NULL, \
+ .groups = NULL, \
+ .min_interval = 8, \
+ .max_interval = 32, \
+ .busy_factor = 32, \
+ .imbalance_pct = 125, \
+ .cache_nice_tries = 1, \
+ .busy_idx = 3, \
+ .idle_idx = 1, \
+ .newidle_idx = 2, \
+ .wake_idx = 1, \
+ .flags = SD_LOAD_BALANCE \
+ | SD_BALANCE_EXEC \
+ | SD_BALANCE_NEWIDLE \
+ | SD_WAKE_IDLE \
+ | SD_SERIALIZE \
+ | SD_WAKE_BALANCE, \
+ .last_balance = jiffies, \
+ .balance_interval = 1, \
+ .nr_balance_failed = 0, \
+}
+
+extern void __init dump_numa_cpu_topology(void);
+
+extern int sysfs_add_device_to_node(struct sys_device *dev, int nid);
+extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid);
+
+#else
+
+static inline int of_node_to_nid(struct device_node *device)
+{
+ return 0;
+}
+
+static inline void dump_numa_cpu_topology(void) {}
+
+static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid)
+{
+ return 0;
+}
+
+static inline void sysfs_remove_device_from_node(struct sys_device *dev,
+ int nid)
+{
+}
+
+#include <asm-generic/topology.h>
+
+#endif /* CONFIG_NUMA */
+
+#ifdef CONFIG_SMP
+#include <asm/cputable.h>
+#define smt_capable() (cpu_has_feature(CPU_FTR_SMT))
+
+#ifdef CONFIG_PPC64
+#include <asm/smp.h>
+
+#define topology_thread_siblings(cpu) (cpu_sibling_map[cpu])
+#endif
+#endif
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_TOPOLOGY_H */
--
1.5.4.rc4.14.g6fc74
--
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