x86: Add Intel Tangier support
Add Intel Tangier SoC support.
Intel Tangier SoC is a core part of Intel Merrifield platform. For
example, Intel Edison board is based on such platform.
The patch is based on work done by the following people (in alphabetical
order):
Aiden Park <aiden.park@intel.com>
Dukjoon Jeon <dukjoon.jeon@intel.com>
eric.park <eric.park@intel.com>
Fabien Chereau <fabien.chereau@intel.com>
Scott D Phillips <scott.d.phillips@intel.com>
Sebastien Colleur <sebastienx.colleur@intel.com>
Steve Sakoman <steve.sakoman@intel.com>
Vincent Tinelli <vincent.tinelli@intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Vincent Tinelli <vincent.tinelli@intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
diff --git a/arch/x86/cpu/tangier/tangier.c b/arch/x86/cpu/tangier/tangier.c
new file mode 100644
index 0000000..20d6c60
--- /dev/null
+++ b/arch/x86/cpu/tangier/tangier.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2017 Intel Corporation
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/scu.h>
+#include <asm/u-boot-x86.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Miscellaneous platform dependent initializations
+ */
+int arch_cpu_init(void)
+{
+ return x86_cpu_init_f();
+}
+
+int checkcpu(void)
+{
+ return 0;
+}
+
+int print_cpuinfo(void)
+{
+ return default_print_cpuinfo();
+}
+
+void reset_cpu(ulong addr)
+{
+ scu_ipc_simple_command(IPCMSG_COLD_RESET, 0);
+}