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[SPARC64]: Use machine description and OBP properly for cpu probing.

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Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
David S. Miller 2007-05-25 15:49:59 -07:00
commit 5cbc307373
21 changed files with 992 additions and 394 deletions
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22
include/asm-sparc64/cpudata.h
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@ -17,11 +17,11 @@
typedef struct {
/* Dcache line 1 */
unsigned int __softirq_pending; /* must be 1st, see rtrap.S */
unsigned int __pad0_1;
unsigned int __pad0_2;
unsigned int __pad1;
unsigned int __pad0;
unsigned long clock_tick; /* %tick's per second */
unsigned long udelay_val;
unsigned int __pad1;
unsigned int __pad2;
/* Dcache line 2, rarely used */
unsigned int dcache_size;
@ -30,8 +30,8 @@ typedef struct {
unsigned int icache_line_size;
unsigned int ecache_size;
unsigned int ecache_line_size;
int core_id;
unsigned int __pad3;
unsigned int __pad4;
} cpuinfo_sparc;
DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data);
@ -76,12 +76,18 @@ struct trap_per_cpu {
/* Dcache line 8: IRQ work list, and keep trap_block a power-of-2 in size. */
unsigned int irq_worklist;
unsigned int __pad1;
unsigned long __pad2[3];
unsigned int cpu_mondo_qmask;
unsigned int dev_mondo_qmask;
unsigned int resum_qmask;
unsigned int nonresum_qmask;
unsigned int __pad2[3];
} __attribute__((aligned(64)));
extern struct trap_per_cpu trap_block[NR_CPUS];
extern void init_cur_cpu_trap(struct thread_info *);
extern void setup_tba(void);
extern int ncpus_probed;
extern unsigned long real_hard_smp_processor_id(void);
struct cpuid_patch_entry {
unsigned int addr;
@ -122,6 +128,10 @@ extern struct sun4v_2insn_patch_entry __sun4v_2insn_patch,
#define TRAP_PER_CPU_TSB_HUGE 0xd0
#define TRAP_PER_CPU_TSB_HUGE_TEMP 0xd8
#define TRAP_PER_CPU_IRQ_WORKLIST 0xe0
#define TRAP_PER_CPU_CPU_MONDO_QMASK 0xe4
#define TRAP_PER_CPU_DEV_MONDO_QMASK 0xe8
#define TRAP_PER_CPU_RESUM_QMASK 0xec
#define TRAP_PER_CPU_NONRESUM_QMASK 0xf0
#define TRAP_BLOCK_SZ_SHIFT 8

5
include/asm-sparc64/hypervisor.h
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@ -120,6 +120,11 @@
*/
#define HV_FAST_MACH_DESC 0x01
#ifndef __ASSEMBLY__
extern unsigned long sun4v_mach_desc(unsigned long buffer_pa, unsigned long buf_len,
unsigned long *real_buf_len);
#endif
/* mach_exit()
* TRAP: HV_FAST_TRAP
* FUNCTION: HV_FAST_MACH_SIR

39
include/asm-sparc64/mdesc.h Normal file
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@ -0,0 +1,39 @@
#ifndef _SPARC64_MDESC_H
#define _SPARC64_MDESC_H
#include <linux/types.h>
#include <asm/prom.h>
struct mdesc_node;
struct mdesc_arc {
const char *name;
struct mdesc_node *arc;
};
struct mdesc_node {
const char *name;
u64 node;
unsigned int unique_id;
unsigned int num_arcs;
struct property *properties;
struct mdesc_node *hash_next;
struct mdesc_node *allnodes_next;
struct mdesc_arc arcs[0];
};
extern struct mdesc_node *md_find_node_by_name(struct mdesc_node *from,
const char *name);
#define md_for_each_node_by_name(__mn, __name) \
for (__mn = md_find_node_by_name(NULL, __name); __mn; \
__mn = md_find_node_by_name(__mn, __name))
extern struct property *md_find_property(const struct mdesc_node *mp,
const char *name,
int *lenp);
extern const void *md_get_property(const struct mdesc_node *mp,
const char *name,
int *lenp);
extern void sun4v_mdesc_init(void);
#endif

5
include/asm-sparc64/oplib.h
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@ -319,11 +319,6 @@ extern int prom_inst2pkg(int);
extern int prom_service_exists(const char *service_name);
extern void prom_sun4v_guest_soft_state(void);
/* CPU probing helpers. */
struct device_node;
int cpu_find_by_instance(int instance, struct device_node **dev_node, int *mid);
int cpu_find_by_mid(int mid, struct device_node **prom_node);
/* Client interface level routines. */
extern void prom_set_trap_table(unsigned long tba);
extern void prom_set_trap_table_sun4v(unsigned long tba, unsigned long mmfsa);

4
include/asm-sparc64/percpu.h
View file

@ -5,7 +5,8 @@
#ifdef CONFIG_SMP
extern void setup_per_cpu_areas(void);
#define setup_per_cpu_areas() do { } while (0)
extern void real_setup_per_cpu_areas(void);
extern unsigned long __per_cpu_base;
extern unsigned long __per_cpu_shift;
@ -34,6 +35,7 @@ do { \
} while (0)
#else /* ! SMP */
#define real_setup_per_cpu_areas() do { } while (0)
#define DEFINE_PER_CPU(type, name) \
__typeof__(type) per_cpu__##name

1
include/asm-sparc64/prom.h
View file

@ -90,6 +90,7 @@ extern struct device_node *of_find_compatible_node(struct device_node *from,
const char *type, const char *compat);
extern struct device_node *of_find_node_by_path(const char *path);
extern struct device_node *of_find_node_by_phandle(phandle handle);
extern struct device_node *of_find_node_by_cpuid(int cpuid);
extern struct device_node *of_get_parent(const struct device_node *node);
extern struct device_node *of_get_next_child(const struct device_node *node,
struct device_node *prev);

4
include/asm-sparc64/smp.h
View file

@ -41,7 +41,7 @@ extern cpumask_t cpu_sibling_map[NR_CPUS];
extern int hard_smp_processor_id(void);
#define raw_smp_processor_id() (current_thread_info()->cpu)
extern void smp_setup_cpu_possible_map(void);
extern void smp_fill_in_sib_core_maps(void);
extern unsigned char boot_cpu_id;
#endif /* !(__ASSEMBLY__) */
@ -49,7 +49,7 @@ extern unsigned char boot_cpu_id;
#else
#define hard_smp_processor_id() 0
#define smp_setup_cpu_possible_map() do { } while (0)
#define smp_fill_in_sib_core_maps() do { } while (0)
#define boot_cpu_id (0)
#endif /* !(CONFIG_SMP) */

3
include/asm-sparc64/topology.h
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@ -6,4 +6,7 @@
#include <asm-generic/topology.h>
#define topology_core_id(cpu) (cpu_data(cpu).core_id)
#define topology_thread_siblings(cpu) (cpu_sibling_map[cpu])
#endif /* _ASM_SPARC64_TOPOLOGY_H */