ARM: OMAP: Remove plat/io.h by splitting it into mach/io.h and mach/hardware.h

This is needed to minimize io.h so the SoC specific io.h
for ARMs can removed.

Note that minimal driver changes for DSS and RNG are needed to
include cpu.h for SoC detection macros.

Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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>