1 files changed, 171 insertions, 0 deletions
diff --git a/soc-to-uboot-driver.py b/soc-to-uboot-driver.py
new file mode 100755
index 0000000..3ef29ec
--- /dev/null
+++ b/soc-to-uboot-driver.py
@@ -0,0 +1,171 @@
+#!/usr/bin/env python3
+
+# Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+
+import argparse
+import os
+import os.path
+import sys
+import tegra_pmx_soc_parser
+from tegra_pmx_utils import *
+
+dbg = False
+
+parser = argparse.ArgumentParser(description='Create a U-Boot pinctrl ' +
+    'driver from an SoC config file')
+parser.add_argument('--debug', action='store_true', help='Turn on debugging prints')
+parser.add_argument('soc', help='SoC to process')
+parser.add_argument('header', help='Header file to generate')
+parser.add_argument('cfile', help='C file to generate')
+args = parser.parse_args()
+if args.debug:
+    dbg = True
+if dbg: print(args)
+
+soc = tegra_pmx_soc_parser.load_soc(args.soc)
+
+f = open(args.header, 'wt')
+
+print('''\
+/*
+ * Copyright (c) %s, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _%s_PINMUX_H_
+#define _%s_PINMUX_H_
+
+enum pmux_pingrp {
+''' % (soc.uboot_copyright_years, soc.name.upper(), soc.name.upper()), file=f, end='')
+
+last_reg = 0x3000 - 4
+for pin in soc.gpios_pins_by_reg():
+    if pin.reg != last_reg + 4:
+        eqs = ' = (0x%x / 4)' % (pin.reg - 0x3000)
+    else:
+        eqs = ''
+    print('\tPMUX_PINGRP_%s%s,' % (pin.fullname.upper(), eqs), file=f)
+    last_reg = pin.reg
+
+print('''\
+	PMUX_PINGRP_COUNT,
+};
+
+enum pmux_drvgrp {
+''', file=f, end='')
+
+last_reg = 0x868 - 4
+for group in soc.drive_groups_by_reg():
+    if group.reg != last_reg + 4:
+        eqs = ' = (0x%x / 4)' % (group.reg - 0x868)
+    else:
+        eqs = ''
+    print('\tPMUX_DRVGRP_%s%s,' % (group.fullname.upper()[6:], eqs), file=f)
+    last_reg = group.reg
+
+print('''\
+	PMUX_DRVGRP_COUNT,
+};
+
+enum pmux_func {
+	PMUX_FUNC_DEFAULT,
+''', file=f, end='')
+
+for func in soc.functions_by_alpha():
+    if func.name.startswith('rsvd'):
+        continue
+    print('\tPMUX_FUNC_%s,' % func.name.upper(), file=f)
+
+
+print('''\
+	PMUX_FUNC_RSVD1,
+	PMUX_FUNC_RSVD2,
+	PMUX_FUNC_RSVD3,
+	PMUX_FUNC_RSVD4,
+	PMUX_FUNC_COUNT,
+};
+
+#define TEGRA_PMX_HAS_PIN_IO_BIT_ETC
+''', file=f, end='')
+
+if soc.has_rcv_sel:
+    print('#define TEGRA_PMX_HAS_RCV_SEL', file=f)
+
+print('''\
+#define TEGRA_PMX_HAS_DRVGRPS
+#include <asm/arch-tegra/pinmux.h>
+
+#endif /* _%s_PINMUX_H_ */
+''' % soc.name.upper(), file=f, end='')
+
+f.close()
+f = open(args.cfile, 'wt')
+
+print('''\
+/*
+ * Copyright (c) %s, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/pinmux.h>
+
+#define PIN(pin, f0, f1, f2, f3)	\\
+	{				\\
+		.funcs = {		\\
+			PMUX_FUNC_##f0,	\\
+			PMUX_FUNC_##f1,	\\
+			PMUX_FUNC_##f2,	\\
+			PMUX_FUNC_##f3,	\\
+		},			\\
+	}
+
+#define PIN_RESERVED {}
+
+static const struct pmux_pingrp_desc %s_pingroups[] = {
+''' % (soc.uboot_copyright_years, soc.name), file=f, end='')
+
+headings = ('pin', 'f0', 'f1', 'f2', 'f3')
+
+rows = []
+last_reg = 0
+for pin in soc.gpios_pins_by_reg():
+    if pin.reg != last_reg + 4:
+        if last_reg:
+            for i in range(((pin.reg - last_reg) // 4) - 1):
+                rows.append('\tPIN_RESERVED,',)
+        rows.append('\t/* Offset 0x%x */' % pin.reg,)
+    last_reg = pin.reg
+    row = (pin.fullname.upper(),)
+    for i in range(4):
+        row += (pin.funcs[i].upper(),)
+    rows.append(row)
+dump_c_table(headings, 'PIN', rows, file=f)
+
+print('''\
+};
+const struct pmux_pingrp_desc *tegra_soc_pingroups = %s_pingroups;
+''' % soc.name, file=f, end='')
+
+f.close()