Changeset 673

Timestamp:

01/31/10 13:16:46 (7 weeks ago)

Author:

blueswirl

Message:

sparc64: implement reset

Signed-off-by: Blue Swirl <blauwirbel@…>

Files:

• trunk/openbios-devel/arch/sparc64/openbios.c (modified) (2 diffs)

trunk/openbios-devel/arch/sparc64/openbios.c

@@ -93 +93 @@
 }
 
+/* Reset control register is defined in 17.2.7.3 of US IIi User Manual */
+static void
+sparc64_reset_all(void)
+{
+    unsigned long addr = 0x1fe0000f020ULL;
+    unsigned long val = 1 << 29;
+
+    asm("stxa %0, [%1] 0x15\n\t"
+        : : "r" (val), "r" (addr) : "memory");
+}
+
 static void cpu_generic_init(const struct cpudef *cpu, uint32_t clock_frequency)
 {
@@ -147 +158 @@
     fword("find-device");
     bind_func("SUNW,set-trap-table", set_trap_table);
+
+    // Reset
+    bind_func("sparc64-reset-all", sparc64_reset_all);
+    push_str("' sparc64-reset-all to reset-all");
+    fword("eval");
 }