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-rw-r--r--include/asm-arm/arch-pxa/mtd-xip.h37
-rw-r--r--include/asm-arm/arch-pxa/pxa-regs.h2
2 files changed, 39 insertions, 0 deletions
diff --git a/include/asm-arm/arch-pxa/mtd-xip.h b/include/asm-arm/arch-pxa/mtd-xip.h
new file mode 100644
index 0000000..8704dbc
--- /dev/null
+++ b/include/asm-arm/arch-pxa/mtd-xip.h
@@ -0,0 +1,37 @@
+/*
+ * MTD primitives for XIP support. Architecture specific functions
+ *
+ * Do not include this file directly. It's included from linux/mtd/xip.h
+ *
+ * Author: Nicolas Pitre
+ * Created: Nov 2, 2004
+ * Copyright: (C) 2004 MontaVista Software, 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.
+ *
+ * $Id: xip.h,v 1.2 2004/12/01 15:49:10 nico Exp $
+ */
+
+#ifndef __ARCH_PXA_MTD_XIP_H__
+#define __ARCH_PXA_MTD_XIP_H__
+
+#include <asm/arch/pxa-regs.h>
+
+#define xip_irqpending() (ICIP & ICMR)
+
+/* we sample OSCR and convert desired delta to usec (1/4 ~= 1000000/3686400) */
+#define xip_currtime() (OSCR)
+#define xip_elapsed_since(x) (signed)((OSCR - (x)) / 4)
+
+/*
+ * xip_cpu_idle() is used when waiting for a delay equal or larger than
+ * the system timer tick period. This should put the CPU into idle mode
+ * to save power and to be woken up only when some interrupts are pending.
+ * As above, this should not rely upon standard kernel code.
+ */
+
+#define xip_cpu_idle() asm volatile ("mcr p14, 0, %0, c7, c0, 0" :: "r" (1))
+
+#endif /* __ARCH_PXA_MTD_XIP_H__ */
diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index b5e54a9e..51f0fe0 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -1505,6 +1505,7 @@
#define PSSR_OTGPH (1 << 6) /* OTG Peripheral control Hold */
#define PSSR_RDH (1 << 5) /* Read Disable Hold */
#define PSSR_PH (1 << 4) /* Peripheral Control Hold */
+#define PSSR_STS (1 << 3) /* Standby Mode Status */
#define PSSR_VFS (1 << 2) /* VDD Fault Status */
#define PSSR_BFS (1 << 1) /* Battery Fault Status */
#define PSSR_SSS (1 << 0) /* Software Sleep Status */
@@ -1965,6 +1966,7 @@
#define MECR_NOS (1 << 0) /* Number Of Sockets: 0 -> 1 sock, 1 -> 2 sock */
#define MECR_CIT (1 << 1) /* Card Is There: 0 -> no card, 1 -> card inserted */
+#define MDREFR_K0DB4 (1 << 29) /* SDCLK0 Divide by 4 Control/Status */
#define MDREFR_K2FREE (1 << 25) /* SDRAM Free-Running Control */
#define MDREFR_K1FREE (1 << 24) /* SDRAM Free-Running Control */
#define MDREFR_K0FREE (1 << 23) /* SDRAM Free-Running Control */
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