ARM: uniphier: rework spl_boot_device() and related code
The current implementation has ugly switch statements here and there,
and duplicates similar code. Rework it using table lookups for SoC
data and reduce code duplication.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/boot-device/boot-device.h b/arch/arm/mach-uniphier/boot-device/boot-device.h
new file mode 100644
index 0000000..f3fb2f3
--- /dev/null
+++ b/arch/arm/mach-uniphier/boot-device/boot-device.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2017 Socionext Inc.
+ * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _UNIPHIER_BOOT_DEVICE_H_
+#define _UNIPHIER_BOOT_DEVICE_H_
+
+struct uniphier_boot_device {
+ unsigned int boot_device;
+ const char *desc;
+};
+
+extern const struct uniphier_boot_device uniphier_sld3_boot_device_table[];
+extern const struct uniphier_boot_device uniphier_ld4_boot_device_table[];
+extern const struct uniphier_boot_device uniphier_pro5_boot_device_table[];
+extern const struct uniphier_boot_device uniphier_pxs2_boot_device_table[];
+extern const struct uniphier_boot_device uniphier_ld11_boot_device_table[];
+
+extern const unsigned int uniphier_sld3_boot_device_count;
+extern const unsigned int uniphier_ld4_boot_device_count;
+extern const unsigned int uniphier_pro5_boot_device_count;
+extern const unsigned int uniphier_pxs2_boot_device_count;
+extern const unsigned int uniphier_ld11_boot_device_count;
+
+int uniphier_pxs2_boot_device_is_usb(u32 pinmon);
+int uniphier_ld11_boot_device_is_usb(u32 pinmon);
+int uniphier_ld20_boot_device_is_usb(u32 pinmon);
+
+unsigned int uniphier_pxs2_boot_device_fixup(unsigned int mode);
+unsigned int uniphier_ld11_boot_device_fixup(unsigned int mode);
+
+#endif /* _UNIPHIER_BOOT_DEVICE_H_ */