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authorJiri Kosina <jkosina@suse.cz>2012-04-08 21:48:52 +0200
committerJiri Kosina <jkosina@suse.cz>2012-04-08 21:48:52 +0200
commite75d660672ddd11704b7f0fdb8ff21968587b266 (patch)
treeccb9c107744c10b553c0373e450bee3971d16c00 /arch/arm/mach-omap1/include/mach/hardware.h
parent61282f37927143e45b03153f3e7b48d6b702147a (diff)
parent0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff)
Merge branch 'master' into for-next
Merge with latest Linus' tree, as I have incoming patches that fix code that is newer than current HEAD of for-next. Conflicts: drivers/net/ethernet/realtek/r8169.c
Diffstat (limited to 'arch/arm/mach-omap1/include/mach/hardware.h')
-rw-r--r--arch/arm/mach-omap1/include/mach/hardware.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/include/mach/hardware.h b/arch/arm/mach-omap1/include/mach/hardware.h
index a3f6287b2007..01e35fa106b8 100644
--- a/arch/arm/mach-omap1/include/mach/hardware.h
+++ b/arch/arm/mach-omap1/include/mach/hardware.h
@@ -2,4 +2,40 @@
* arch/arm/mach-omap1/include/mach/hardware.h
*/
+#ifndef __MACH_HARDWARE_H
+#define __MACH_HARDWARE_H
+
+#ifndef __ASSEMBLER__
+/*
+ * NOTE: Please use ioremap + __raw_read/write where possible instead of these
+ */
+extern u8 omap_readb(u32 pa);
+extern u16 omap_readw(u32 pa);
+extern u32 omap_readl(u32 pa);
+extern void omap_writeb(u8 v, u32 pa);
+extern void omap_writew(u16 v, u32 pa);
+extern void omap_writel(u32 v, u32 pa);
+
+#include <plat/tc.h>
+
+/* Almost all documentation for chip and board memory maps assumes
+ * BM is clear. Most devel boards have a switch to control booting
+ * from NOR flash (using external chipselect 3) rather than mask ROM,
+ * which uses BM to interchange the physical CS0 and CS3 addresses.
+ */
+static inline u32 omap_cs0m_phys(void)
+{
+ return (omap_readl(EMIFS_CONFIG) & OMAP_EMIFS_CONFIG_BM)
+ ? OMAP_CS3_PHYS : 0;
+}
+
+static inline u32 omap_cs3_phys(void)
+{
+ return (omap_readl(EMIFS_CONFIG) & OMAP_EMIFS_CONFIG_BM)
+ ? 0 : OMAP_CS3_PHYS;
+}
+
+#endif
+#endif
+
#include <plat/hardware.h>