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authorMike Travis <travis@sgi.com>2008-12-31 17:34:16 -0800
committerIngo Molnar <mingo@elte.hu>2009-01-03 18:53:31 +0100
commit7eb19553369c46cc1fa64caf120cbcab1b597f7c (patch)
treeef1a3beae706b9497c845d0a2557ceb4d2754998 /arch/arm/plat-mxc/include/mach/mtd-xip.h
parent6092848a2a23b660150a38bc06f59d75838d70c8 (diff)
parent8c384cdee3e04d6194a2c2b192b624754f990835 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask
Conflicts: arch/x86/kernel/io_apic.c kernel/rcuclassic.c kernel/sched.c kernel/time/tick-sched.c Signed-off-by: Mike Travis <travis@sgi.com> [ mingo@elte.hu: backmerged typo fix for io_apic.c ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/mtd-xip.h')
-rw-r--r--arch/arm/plat-mxc/include/mach/mtd-xip.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/mtd-xip.h b/arch/arm/plat-mxc/include/mach/mtd-xip.h
new file mode 100644
index 00000000000..1ab1bba5688
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/mtd-xip.h
@@ -0,0 +1,34 @@
+/*
+ * MTD primitives for XIP support. Architecture specific functions
+ *
+ * Do not include this file directly. It's included from linux/mtd/xip.h
+ *
+ * Copyright (C) 2008 Darius Augulis <augulis.darius@gmail.com>, Teltonika, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <mach/mxc_timer.h>
+
+#ifndef __ARCH_IMX_MTD_XIP_H__
+#define __ARCH_IMX_MTD_XIP_H__
+
+#ifdef CONFIG_ARCH_MX1
+/* AITC registers */
+#define AITC_BASE IO_ADDRESS(AVIC_BASE_ADDR)
+#define NIPNDH (AITC_BASE + 0x58)
+#define NIPNDL (AITC_BASE + 0x5C)
+#define INTENABLEH (AITC_BASE + 0x10)
+#define INTENABLEL (AITC_BASE + 0x14)
+/* MTD macros */
+#define xip_irqpending() ((__raw_readl(INTENABLEH) & __raw_readl(NIPNDH)) \
+ || (__raw_readl(INTENABLEL) & __raw_readl(NIPNDL)))
+#define xip_currtime() (__raw_readl(TIMER_BASE + MXC_TCN))
+#define xip_elapsed_since(x) (signed)((__raw_readl(TIMER_BASE + MXC_TCN) - (x)) / 96)
+#define xip_cpu_idle() asm volatile ("mcr p15, 0, %0, c7, c0, 4" :: "r" (0))
+#endif /* CONFIG_ARCH_MX1 */
+
+#endif /* __ARCH_IMX_MTD_XIP_H__ */