From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 26 May 2011 21:26:58 +0000 (-0400)
Subject: Blackfin: gptimers: add structure for hardware register layout
X-Git-Tag: firefly_0821_release~7613^2~1006^2~4
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a4ffd956924e265865a4425bd888927059fd46a9;p=firefly-linux-kernel-4.4.55.git

Blackfin: gptimers: add structure for hardware register layout

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---

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