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-rw-r--r--arch/arm/mach-ux500/include/mach/id.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/include/mach/id.h b/arch/arm/mach-ux500/include/mach/id.h
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+++ b/arch/arm/mach-ux500/include/mach/id.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef __MACH_UX500_ID
+#define __MACH_UX500_ID
+
+/**
+ * struct dbx500_asic_id - fields of the ASIC ID
+ * @process: the manufacturing process, 0x40 is 40 nm 0x00 is "standard"
+ * @partnumber: hithereto 0x8500 for DB8500
+ * @revision: version code in the series
+ */
+struct dbx500_asic_id {
+ u16 partnumber;
+ u8 revision;
+ u8 process;
+};
+
+extern struct dbx500_asic_id dbx500_id;
+
+static inline unsigned int __attribute_const__ dbx500_partnumber(void)
+{
+ return dbx500_id.partnumber;
+}
+
+static inline unsigned int __attribute_const__ dbx500_revision(void)
+{
+ return dbx500_id.revision;
+}
+
+/*
+ * SOCs
+ */
+
+static inline bool __attribute_const__ cpu_is_u8500(void)
+{
+ return dbx500_partnumber() == 0x8500;
+}
+
+static inline bool __attribute_const__ cpu_is_u5500(void)
+{
+ return dbx500_partnumber() == 0x5500;
+}
+
+/*
+ * 8500 revisions
+ */
+
+static inline bool __attribute_const__ cpu_is_u8500ed(void)
+{
+ return cpu_is_u8500() && dbx500_revision() == 0x00;
+}
+
+static inline bool __attribute_const__ cpu_is_u8500v1(void)
+{
+ return cpu_is_u8500() && (dbx500_revision() & 0xf0) == 0xA0;
+}
+
+static inline bool __attribute_const__ cpu_is_u8500v10(void)
+{
+ return cpu_is_u8500() && dbx500_revision() == 0xA0;
+}
+
+static inline bool __attribute_const__ cpu_is_u8500v11(void)
+{
+ return cpu_is_u8500() && dbx500_revision() == 0xA1;
+}
+
+static inline bool __attribute_const__ cpu_is_u8500v2(void)
+{
+ return cpu_is_u8500() && ((dbx500_revision() & 0xf0) == 0xB0);
+}
+
+#define ux500_unknown_soc() BUG()
+
+#endif