---

yaml --- r: 116748 b: refs/heads/master c: 089d552 h: refs/heads/master v: v3
git-mirror · Oct 10, 2008 · 4b7ae9c · 4b7ae9c
1 parent d9b155b
commit 4b7ae9c
Show file tree

Hide file tree

Showing 3 changed files with 28 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 24b574d052a1996bac42fbd56715ab602092c291
+refs/heads/master: 089d55289db5d58d938d73b47a415b2b82ee19ac
diff --git a/trunk/arch/parisc/kernel/head.S b/trunk/arch/parisc/kernel/head.S
@@ -121,7 +121,7 @@ $pgt_fill_loop:
 	copy		%r0,%r2
 
 	/* And the RFI Target address too */
-	load32		start_kernel,%r11
+	load32		start_parisc,%r11
 
 	/* And the initial task pointer */
 	load32		init_thread_union,%r6

diff --git a/trunk/arch/parisc/kernel/setup.c b/trunk/arch/parisc/kernel/setup.c
@@ -368,6 +368,31 @@ 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
+}