From a4ffd956924e265865a4425bd888927059fd46a9 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 26 May 2011 17:26:58 -0400
Subject: [PATCH] Blackfin: gptimers: add structure for hardware register
layout
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
arch/blackfin/include/asm/gptimers.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/blackfin/include/asm/gptimers.h b/arch/blackfin/include/asm/gptimers.h
index c722acdda0d3..38657dac1235 100644
--- a/arch/blackfin/include/asm/gptimers.h
+++ b/arch/blackfin/include/asm/gptimers.h
@@ -193,4 +193,22 @@ uint16_t get_enabled_gptimers(void);
uint32_t get_gptimer_status(unsigned int group);
void set_gptimer_status(unsigned int group, uint32_t value);
+/*
+ * All Blackfin system MMRs are padded to 32bits even if the register
+ * itself is only 16bits. So use a helper macro to streamline this.
+ */
+#define __BFP(m) u16 m; u16 __pad_##m
+
+/*
+ * bfin timer registers layout
+ */
+struct bfin_gptimer_regs {
+ __BFP(config);
+ u32 counter;
+ u32 period;
+ u32 width;
+};
+
+#undef __BFP
+
#endif
--
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