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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-29 11:32:34 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-29 11:32:34 -0700
commit3aa590c6b7c89d844f81c2e96f295cf2c6967773 (patch)
tree6f18b295b1ff4cd7fd1880db6f56721599d64439 /arch/powerpc/kernel/setup_64.c
parent4d3ce21fa9d2eaeda113aa2f9c2da80d972bef64 (diff)
parent339d76c54336443f5050b00172beb675f35e3be0 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (43 commits) [POWERPC] Use little-endian bit from firmware ibm,pa-features property [POWERPC] Make sure smp_processor_id works very early in boot [POWERPC] U4 DART improvements [POWERPC] todc: add support for Time-Of-Day-Clock [POWERPC] Make lparcfg.c work when both iseries and pseries are selected [POWERPC] Fix idr locking in init_new_context [POWERPC] mpc7448hpc2 (taiga) board config file [POWERPC] Add tsi108 pci and platform device data register function [POWERPC] Add general support for mpc7448hpc2 (Taiga) platform [POWERPC] Correct the MAX_CONTEXT definition powerpc: minor cleanups for mpc86xx [POWERPC] Make sure we select CONFIG_NEW_LEDS if ADB_PMU_LED is set [POWERPC] Simplify the code defining the 64-bit CPU features [POWERPC] powerpc: kconfig warning fix [POWERPC] Consolidate some of kernel/misc*.S [POWERPC] Remove unused function call_with_mmu_off [POWERPC] update asm-powerpc/time.h [POWERPC] Clean up it_lp_queue.h [POWERPC] Skip the "copy down" of the kernel if it is already at zero. [POWERPC] Add the use of the firmware soft-reset-nmi to kdump. ...
Diffstat (limited to 'arch/powerpc/kernel/setup_64.c')
-rw-r--r--arch/powerpc/kernel/setup_64.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 78f3a5fd43f6..175539c9afa0 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -149,6 +149,13 @@ early_param("smt-enabled", early_smt_enabled);
#define check_smt_enabled()
#endif /* CONFIG_SMP */
+/* Put the paca pointer into r13 and SPRG3 */
+void __init setup_paca(int cpu)
+{
+ local_paca = &paca[cpu];
+ mtspr(SPRN_SPRG3, local_paca);
+}
+
/*
* Early initialization entry point. This is called by head.S
* with MMU translation disabled. We rely on the "feature" of
@@ -170,6 +177,9 @@ early_param("smt-enabled", early_smt_enabled);
void __init early_setup(unsigned long dt_ptr)
{
+ /* Assume we're on cpu 0 for now. Don't write to the paca yet! */
+ setup_paca(0);
+
/* Enable early debugging if any specified (see udbg.h) */
udbg_early_init();
@@ -183,7 +193,7 @@ void __init early_setup(unsigned long dt_ptr)
early_init_devtree(__va(dt_ptr));
/* Now we know the logical id of our boot cpu, setup the paca. */
- setup_boot_paca();
+ setup_paca(boot_cpuid);
/* Fix up paca fields required for the boot cpu */
get_paca()->cpu_start = 1;
@@ -350,19 +360,11 @@ void __init setup_system(void)
*/
unflatten_device_tree();
-#ifdef CONFIG_KEXEC
- kexec_setup(); /* requires unflattened device tree. */
-#endif
-
/*
* Fill the ppc64_caches & systemcfg structures with informations
* retrieved from the device-tree. Need to be called before
* finish_device_tree() since the later requires some of the
- * informations filled up here to properly parse the interrupt
- * tree.
- * It also sets up the cache line sizes which allows to call
- * routines like flush_icache_range (used by the hash init
- * later on).
+ * informations filled up here to properly parse the interrupt tree.
*/
initialize_cache_info();