1 files changed, 42 insertions, 0 deletions
diff --git a/meta-aspeed/recipes-utils/openbmc-gpio/files/soc_gpio.py b/meta-aspeed/recipes-utils/openbmc-gpio/files/soc_gpio.py
new file mode 100644
index 0000000..ea3c8d3
--- /dev/null
+++ b/meta-aspeed/recipes-utils/openbmc-gpio/files/soc_gpio.py
@@ -0,0 +1,42 @@
+# Copyright 2015-present Facebook. All rights reserved.
+#
+# This program file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program in a file named COPYING; if not, write to the
+# Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor,
+# Boston, MA 02110-1301 USA
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
+import phymemory
+
+
+_soc_reg_map = {}
+
+
+class SCUReg(phymemory.PhyMemory):
+    SCU_REG_MAX = 0x1A4
+    SCU_ADDR_BASE = 0x1E6E2000
+    def __init__(self, reg):
+        assert 0 <= reg <= self.SCU_REG_MAX
+        self.reg = reg
+        super(SCUReg, self).__init__(self.SCU_ADDR_BASE + reg, 'SCU%X' % reg)
+
+
+def soc_get_register(addr):
+    if addr in _soc_reg_map:
+        return _soc_reg_map[addr]
+    reg = SCUReg(addr)
+    _soc_reg_map[addr] = reg
+    return reg