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authorIngo Molnar <mingo@elte.hu>2008-10-28 16:54:49 +0100
committerIngo Molnar <mingo@elte.hu>2008-10-28 16:54:49 +0100
commitd1a76187a5be4f89c6cb19d800cb5fb7aac735c5 (patch)
tree2fac3ffbfffc7560eeef8364b541d0d7a0057920 /arch/parisc/kernel/setup.c
parentc7e78cff6b7518212247fb20b1dc6411540dc9af (diff)
parent0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff)
Merge commit 'v2.6.28-rc2' into core/locking
Conflicts: arch/um/include/asm/system.h
Diffstat (limited to 'arch/parisc/kernel/setup.c')
-rw-r--r--arch/parisc/kernel/setup.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 39e7c5a5946..7d27853ff8c 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -44,6 +44,7 @@
#include <asm/pdc_chassis.h>
#include <asm/io.h>
#include <asm/setup.h>
+#include <asm/unwind.h>
static char __initdata command_line[COMMAND_LINE_SIZE];
@@ -123,6 +124,7 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_64BIT
extern int parisc_narrow_firmware;
#endif
+ unwind_init();
init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */
@@ -368,6 +370,31 @@ static int __init parisc_init(void)
return 0;
}
-
arch_initcall(parisc_init);
+void start_parisc(void)
+{
+ extern void start_kernel(void);
+
+ int ret, cpunum;
+ struct pdc_coproc_cfg coproc_cfg;
+
+ cpunum = smp_processor_id();
+
+ set_firmware_width_unlocked();
+
+ ret = pdc_coproc_cfg_unlocked(&coproc_cfg);
+ if (ret >= 0 && coproc_cfg.ccr_functional) {
+ mtctl(coproc_cfg.ccr_functional, 10);
+
+ cpu_data[cpunum].fp_rev = coproc_cfg.revision;
+ cpu_data[cpunum].fp_model = coproc_cfg.model;
+
+ asm volatile ("fstd %fr0,8(%sp)");
+ } else {
+ panic("must have an fpu to boot linux");
+ }
+
+ start_kernel();
+ // not reached
+}