From b1918fd7dde901388dc215ca7779e8e41dbb7df6 Mon Sep 17 00:00:00 2001
From: Evgeny Zinoviev <me@ch1p.io>
Date: Wed, 10 Feb 2021 15:27:31 +0300
Subject: support multiple models as they all use the same gpios

---
 README                |  6 +++-
 get_macbook_ramconfig | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++
 get_mbp101_ramcfg     | 50 --------------------------------
 3 files changed, 85 insertions(+), 51 deletions(-)
 create mode 100755 get_macbook_ramconfig
 delete mode 100755 get_mbp101_ramcfg

diff --git a/README b/README
index b108e81..0702a30 100644
--- a/README
+++ b/README
@@ -1,5 +1,9 @@
 USAGE
-	sudo inteltool -g | get_mbp101_ramcfg
+	sudo inteltool -g | get_macbook_ramcfg -m <MODEL>
+
+MODELS
+	mbp101 - MacBook Pro 10,1
+	mba52  - MacBook Air 5,2
 
 LICENSE
 	BSD-2c
diff --git a/get_macbook_ramconfig b/get_macbook_ramconfig
new file mode 100755
index 0000000..d3a32b1
--- /dev/null
+++ b/get_macbook_ramconfig
@@ -0,0 +1,80 @@
+#!/usr/bin/env python3
+import sys
+import argparse
+
+
+ramconfigs = {
+    'mba52': (
+        '4b_hynix',
+        None,
+        '8g_hynix',
+        None,
+        '4g_samsung',
+        None,
+        '8g_samsung',
+        None,
+        None,
+        None,
+        None,
+        None,
+        '4g_elpida',
+        None,
+        '8g_elpida',
+    ),
+    'mbp101': (
+        '4g_hynix_1600s',
+        '1g_samsung_1600',
+        '4g_samsung_1600s',
+        '1g_hynix_1600',
+        '4g_elpida_1600s',
+        '2g_samsung_1600',
+        '2g_samsung_1333',
+        '2g_hynix_1600',
+        '4g_samsung_1600',
+        '4g_hynix_1600',
+        '2g_elpida_1600s',
+        '2g_elpida_1600',
+        '4g_elpida_1600',
+        '2g_samsung_1600s',
+        '2g_hynix_1600s'
+    )
+}
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-m', '--model',
+                        choices=list(ramconfigs.keys()),
+                        help='MacBook model',
+                        required=True)
+
+    args = parser.parse_args()
+
+    configs = ramconfigs[args.model]
+    
+    reg = None
+    for line in sys.stdin:
+        line = line.strip()
+        if not line.endswith('(GPIO_LVL3)'):
+            continue
+
+        reg = int(line.split(' ')[1], 16)
+        break
+
+    if reg is None:
+        raise Exceptions("failed to parse gpio registers")
+
+    # GPIO68..GPIO71
+    ramcfg = (reg >> 4) & 0xf
+
+    # reverse bit order
+    ramcfg = int('{:04b}'.format(ramcfg)[::-1], 2)
+
+    if ramcfg >= len(configs) or configs[ramcfg] is None:
+        print("unsupported memory configuration %d" % ramcfg)
+    else:
+        print("%s (RAMCFG=%01x)" % (configs[ramcfg], ramcfg))
+        
+
+if __name__ == '__main__':
+    main()
diff --git a/get_mbp101_ramcfg b/get_mbp101_ramcfg
deleted file mode 100755
index 7cead1e..0000000
--- a/get_mbp101_ramcfg
+++ /dev/null
@@ -1,50 +0,0 @@
-#!/usr/bin/env python3
-import sys
-
-
-ramconfigs = (
-    '4g_hynix_1600s',
-    '1g_samsung_1600',
-    '4g_samsung_1600s',
-    '1g_hynix_1600',
-    '4g_elpida_1600s',
-    '2g_samsung_1600',
-    '2g_samsung_1333',
-    '2g_hynix_1600',
-    '4g_samsung_1600',
-    '4g_hynix_1600',
-    '2g_elpida_1600s',
-    '2g_elpida_1600',
-    '4g_elpida_1600',
-    '2g_samsung_1600s',
-    '2g_hynix_1600s'
-)
-
-
-def main():
-    reg = None
-    for line in sys.stdin:
-        line = line.strip()
-        if not line.endswith('(GPIO_LVL3)'):
-            continue
-
-        reg = int(line.split(' ')[1], 16)
-        break
-
-    if reg is None:
-        raise Exceptions("failed to parse gpio registers")
-
-    # GPIO68..GPIO71
-    ramcfg = (reg >> 4) & 0xf
-
-    # reverse bit order
-    ramcfg = int('{:04b}'.format(ramcfg)[::-1], 2)
-
-    if ramcfg >= len(ramconfigs):
-        print("unsupported memory configuration %d" % ramcfg)
-    else:
-        print(ramconfigs[ramcfg])
-        
-
-if __name__ == '__main__':
-    main()
-- 
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