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authorKyösti Mälkki <kyosti.malkki@gmail.com>2012-02-09 16:07:41 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2012-02-13 21:56:38 +0100
commit7916f4cef62bf032af86368a9df45db833d09b79 (patch)
treeab2a85208db187624f8615c135acf605777fc7d8 /src/cpu/amd/geode_gx2/syspreinit.c
parent50759ed4ff438db6f3b093984fbb79d6445ebcb3 (diff)
AMD Geode cpus: apply un-written naming rules
Kconfig directives to select chip drivers for compile literally match the chip directory names capitalized and underscored. Rename directories and Kconfig as follows: model_lx -> geode_lx model_gx1 -> geode_gx1 model_gx2 -> geode_gx2 Change-Id: Ib8bf1e758b88f9efed1cf8b11c76b796388e7147 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/613 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/cpu/amd/geode_gx2/syspreinit.c')
-rw-r--r--src/cpu/amd/geode_gx2/syspreinit.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/cpu/amd/geode_gx2/syspreinit.c b/src/cpu/amd/geode_gx2/syspreinit.c
new file mode 100644
index 0000000000..814034823c
--- /dev/null
+++ b/src/cpu/amd/geode_gx2/syspreinit.c
@@ -0,0 +1,20 @@
+/* StartTimer1
+ *
+ * Entry: none
+ * Exit: Starts Timer 1 for port 61 use
+ * Destroys: Al,
+ */
+static void StartTimer1(void)
+{
+ outb(0x56, 0x43);
+ outb(0x12, 0x41);
+}
+
+void SystemPreInit(void)
+{
+ /* they want a jump ... */
+#if !CONFIG_CACHE_AS_RAM
+ __asm__ __volatile__("jmp .+2\ninvd\njmp .+2\n");
+#endif
+ StartTimer1();
+}