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From 6a097aa79ca6bd502cf84394912f5ca0ddaeda15 Mon Sep 17 00:00:00 2001
From: =?utf-8?q?Petr=20=C5=A0tetiar?= <ynezz@true.cz>
Date: Sun, 4 Jan 2009 15:48:54 +0100
Subject: [PATCH] RS485 common bits
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Petr Štetiar <ynezz@true.cz>
---
arch/arm/mach-ep93xx/include/mach/ts72xx.h | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-ep93xx/include/mach/ts72xx.h b/arch/arm/mach-ep93xx/include/mach/ts72xx.h
index 28372df..cf9544c 100644
--- a/arch/arm/mach-ep93xx/include/mach/ts72xx.h
+++ b/arch/arm/mach-ep93xx/include/mach/ts72xx.h
@@ -95,6 +95,14 @@
#define TS72XX_MAX197_SAMPLE_PHYS_BASE 0x10f00000
#define TS72XX_MAX197_SAMPLE_SIZE 0x00001000
+#define TS72XX_RS485_CONTROL_VIRT_BASE 0xfebf4000
+#define TS72XX_RS485_CONTROL_PHYS_BASE 0x22c00000
+#define TS72XX_RS485_CONTROL_SIZE 0x00001000
+
+#define TS72XX_RS485_MODE_VIRT_BASE 0xfebf3000
+#define TS72XX_RS485_MODE_PHYS_BASE 0x23000000
+#define TS72XX_RS485_MODE_SIZE 0x00001000
+
#ifndef __ASSEMBLY__
#include <asm/io.h>
@@ -124,4 +132,10 @@ static inline int is_ts9420_installed(void)
return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) &
TS72XX_OPTIONS2_TS9420);
}
+
+static inline int is_rs485_installed(void)
+{
+ return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
+ TS72XX_OPTIONS_COM2_RS485);
+}
#endif
--
1.6.0.4
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