initial_commit

1 files changed, 195 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h
new file mode 100644
index 00000000..df966c2b
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/cpu.h
@@ -0,0 +1,195 @@
+/*
+ * arch/arm/mach-at91/include/mach/cpu.h
+ *
+ *  Copyright (C) 2006 SAN People
+ *
+ * This program 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#ifndef __ASM_ARCH_CPU_H
+#define __ASM_ARCH_CPU_H
+
+#include <mach/hardware.h>
+#include <mach/at91_dbgu.h>
+
+
+#define ARCH_ID_AT91RM9200	0x09290780
+#define ARCH_ID_AT91SAM9260	0x019803a0
+#define ARCH_ID_AT91SAM9261	0x019703a0
+#define ARCH_ID_AT91SAM9263	0x019607a0
+#define ARCH_ID_AT91SAM9G10	0x019903a0
+#define ARCH_ID_AT91SAM9G20	0x019905a0
+#define ARCH_ID_AT91SAM9RL64	0x019b03a0
+#define ARCH_ID_AT91SAM9G45	0x819b05a0
+#define ARCH_ID_AT91SAM9G45MRL	0x819b05a2	/* aka 9G45-ES2 & non ES lots */
+#define ARCH_ID_AT91SAM9G45ES	0x819b05a1	/* 9G45-ES (Engineering Sample) */
+#define ARCH_ID_AT91SAM9X5	0x819a05a0
+#define ARCH_ID_AT91CAP9	0x039A03A0
+
+#define ARCH_ID_AT91SAM9XE128	0x329973a0
+#define ARCH_ID_AT91SAM9XE256	0x329a93a0
+#define ARCH_ID_AT91SAM9XE512	0x329aa3a0
+
+#define ARCH_ID_AT91M40800	0x14080044
+#define ARCH_ID_AT91R40807	0x44080746
+#define ARCH_ID_AT91M40807	0x14080745
+#define ARCH_ID_AT91R40008	0x44000840
+
+static inline unsigned long at91_cpu_identify(void)
+{
+	return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
+}
+
+static inline unsigned long at91_cpu_fully_identify(void)
+{
+	return at91_sys_read(AT91_DBGU_CIDR);
+}
+
+#define ARCH_EXID_AT91SAM9M11	0x00000001
+#define ARCH_EXID_AT91SAM9M10	0x00000002
+#define ARCH_EXID_AT91SAM9G46	0x00000003
+#define ARCH_EXID_AT91SAM9G45	0x00000004
+
+#define ARCH_EXID_AT91SAM9G15	0x00000000
+#define ARCH_EXID_AT91SAM9G35	0x00000001
+#define ARCH_EXID_AT91SAM9X35	0x00000002
+#define ARCH_EXID_AT91SAM9G25	0x00000003
+#define ARCH_EXID_AT91SAM9X25	0x00000004
+
+static inline unsigned long at91_exid_identify(void)
+{
+	return at91_sys_read(AT91_DBGU_EXID);
+}
+
+
+#define ARCH_FAMILY_AT91X92	0x09200000
+#define ARCH_FAMILY_AT91SAM9	0x01900000
+#define ARCH_FAMILY_AT91SAM9XE	0x02900000
+
+static inline unsigned long at91_arch_identify(void)
+{
+	return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH);
+}
+
+#ifdef CONFIG_ARCH_AT91CAP9
+#include <mach/at91_pmc.h>
+
+#define ARCH_REVISION_CAP9_B	0x399
+#define ARCH_REVISION_CAP9_C	0x601
+
+static inline unsigned long at91cap9_rev_identify(void)
+{
+	return (at91_sys_read(AT91_PMC_VER));
+}
+#endif
+
+#ifdef CONFIG_ARCH_AT91RM9200
+extern int rm9200_type;
+#define ARCH_REVISON_9200_BGA	(0 << 0)
+#define ARCH_REVISON_9200_PQFP	(1 << 0)
+#define cpu_is_at91rm9200()	(at91_cpu_identify() == ARCH_ID_AT91RM9200)
+#define cpu_is_at91rm9200_bga()	(!cpu_is_at91rm9200_pqfp())
+#define cpu_is_at91rm9200_pqfp() (cpu_is_at91rm9200() && rm9200_type & ARCH_REVISON_9200_PQFP)
+#else
+#define cpu_is_at91rm9200()	(0)
+#define cpu_is_at91rm9200_bga()	(0)
+#define cpu_is_at91rm9200_pqfp() (0)
+#endif
+
+#ifdef CONFIG_ARCH_AT91SAM9260
+#define cpu_is_at91sam9xe()	(at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE)
+#define cpu_is_at91sam9260()	((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe())
+#else
+#define cpu_is_at91sam9xe()	(0)
+#define cpu_is_at91sam9260()	(0)
+#endif
+
+#ifdef CONFIG_ARCH_AT91SAM9G20
+#define cpu_is_at91sam9g20()	(at91_cpu_identify() == ARCH_ID_AT91SAM9G20)
+#else
+#define cpu_is_at91sam9g20()	(0)
+#endif
+
+#ifdef CONFIG_ARCH_AT91SAM9261
+#define cpu_is_at91sam9261()	(at91_cpu_identify() == ARCH_ID_AT91SAM9261)
+#else
+#define cpu_is_at91sam9261()	(0)
+#endif
+
+#ifdef CONFIG_ARCH_AT91SAM9G10
+#define cpu_is_at91sam9g10()	((at91_cpu_identify() & ~AT91_CIDR_EXT)	== ARCH_ID_AT91SAM9G10)
+#else
+#define cpu_is_at91sam9g10()	(0)
+#endif
+
+#ifdef CONFIG_ARCH_AT91SAM9263
+#define cpu_is_at91sam9263()	(at91_cpu_identify() == ARCH_ID_AT91SAM9263)
+#else
+#define cpu_is_at91sam9263()	(0)
+#endif
+
+#ifdef CONFIG_ARCH_AT91SAM9RL
+#define cpu_is_at91sam9rl()	(at91_cpu_identify() == ARCH_ID_AT91SAM9RL64)
+#else
+#define cpu_is_at91sam9rl()	(0)
+#endif
+
+#ifdef CONFIG_ARCH_AT91SAM9G45
+#define cpu_is_at91sam9g45()	(at91_cpu_identify() == ARCH_ID_AT91SAM9G45)
+#define cpu_is_at91sam9g45es()	(at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES)
+#define cpu_is_at91sam9m10()    (cpu_is_at91sam9g45() && \
+                                (at91_exid_identify() == ARCH_EXID_AT91SAM9M10))
+#define cpu_is_at91sam9m46()    (cpu_is_at91sam9g45() && \
+                                (at91_exid_identify() == ARCH_EXID_AT91SAM9G46))
+#define cpu_is_at91sam9m11()    (cpu_is_at91sam9g45() && \
+                                (at91_exid_identify() == ARCH_EXID_AT91SAM9M11))
+#else
+#define cpu_is_at91sam9g45()	(0)
+#define cpu_is_at91sam9g45es()	(0)
+#define cpu_is_at91sam9m10()	(0)
+#define cpu_is_at91sam9g46()	(0)
+#define cpu_is_at91sam9m11()	(0)
+#endif
+
+#ifdef CONFIG_ARCH_AT91SAM9X5
+#define cpu_is_at91sam9x5()	(at91_cpu_identify() == ARCH_ID_AT91SAM9X5)
+#define cpu_is_at91sam9g15()	(cpu_is_at91sam9x5() && \
+				(at91_exid_identify() == ARCH_EXID_AT91SAM9G15))
+#define cpu_is_at91sam9g35()	(cpu_is_at91sam9x5() && \
+				(at91_exid_identify() == ARCH_EXID_AT91SAM9G35))
+#define cpu_is_at91sam9x35()	(cpu_is_at91sam9x5() && \
+				(at91_exid_identify() == ARCH_EXID_AT91SAM9X35))
+#define cpu_is_at91sam9g25()	(cpu_is_at91sam9x5() && \
+				(at91_exid_identify() == ARCH_EXID_AT91SAM9G25))
+#define cpu_is_at91sam9x25()	(cpu_is_at91sam9x5() && \
+				(at91_exid_identify() == ARCH_EXID_AT91SAM9X25))
+#else
+#define cpu_is_at91sam9x5()	(0)
+#define cpu_is_at91sam9g15()	(0)
+#define cpu_is_at91sam9g35()	(0)
+#define cpu_is_at91sam9x35()	(0)
+#define cpu_is_at91sam9g25()	(0)
+#define cpu_is_at91sam9x25()	(0)
+#endif
+
+#ifdef CONFIG_ARCH_AT91CAP9
+#define cpu_is_at91cap9()	(at91_cpu_identify() == ARCH_ID_AT91CAP9)
+#define cpu_is_at91cap9_revB()	(at91cap9_rev_identify() == ARCH_REVISION_CAP9_B)
+#define cpu_is_at91cap9_revC()	(at91cap9_rev_identify() == ARCH_REVISION_CAP9_C)
+#else
+#define cpu_is_at91cap9()	(0)
+#define cpu_is_at91cap9_revB()	(0)
+#define cpu_is_at91cap9_revC()	(0)
+#endif
+
+/*
+ * Since this is ARM, we will never run on any AVR32 CPU. But these
+ * definitions may reduce clutter in common drivers.
+ */
+#define cpu_is_at32ap7000()	(0)
+
+#endif