[PATCH 04/20] imx/clock-imx27: use a macro to define registers
Uwe Kleine-König
u.kleine-koenig at pengutronix.de
Wed Dec 16 13:59:45 EST 2009
This way the base address isn't hard coded in each register definition
Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
Cc: Sascha Hauer <kernel at pengutronix.de>
Cc: Russell King <linux at arm.linux.org.uk>
Cc: Rabin Vincent <rabin at rab.in>
Cc: Javier Martin <javier.martin at vista-silicon.com>
Cc: Valentin Longchamp <valentin.longchamp at epfl.ch>
---
arch/arm/mach-mx2/clock_imx27.c | 30 ++++++++++++++++--------------
1 files changed, 16 insertions(+), 14 deletions(-)
diff --git a/arch/arm/mach-mx2/clock_imx27.c b/arch/arm/mach-mx2/clock_imx27.c
index b010bf9..a533208 100644
--- a/arch/arm/mach-mx2/clock_imx27.c
+++ b/arch/arm/mach-mx2/clock_imx27.c
@@ -29,21 +29,23 @@
#include <mach/common.h>
#include <mach/hardware.h>
+#define IO_ADDR_CCM(off) (IO_ADDRESS(CCM_BASE_ADDR) + (off))
+
/* Register offsets */
-#define CCM_CSCR (IO_ADDRESS(CCM_BASE_ADDR) + 0x0)
-#define CCM_MPCTL0 (IO_ADDRESS(CCM_BASE_ADDR) + 0x4)
-#define CCM_MPCTL1 (IO_ADDRESS(CCM_BASE_ADDR) + 0x8)
-#define CCM_SPCTL0 (IO_ADDRESS(CCM_BASE_ADDR) + 0xC)
-#define CCM_SPCTL1 (IO_ADDRESS(CCM_BASE_ADDR) + 0x10)
-#define CCM_OSC26MCTL (IO_ADDRESS(CCM_BASE_ADDR) + 0x14)
-#define CCM_PCDR0 (IO_ADDRESS(CCM_BASE_ADDR) + 0x18)
-#define CCM_PCDR1 (IO_ADDRESS(CCM_BASE_ADDR) + 0x1c)
-#define CCM_PCCR0 (IO_ADDRESS(CCM_BASE_ADDR) + 0x20)
-#define CCM_PCCR1 (IO_ADDRESS(CCM_BASE_ADDR) + 0x24)
-#define CCM_CCSR (IO_ADDRESS(CCM_BASE_ADDR) + 0x28)
-#define CCM_PMCTL (IO_ADDRESS(CCM_BASE_ADDR) + 0x2c)
-#define CCM_PMCOUNT (IO_ADDRESS(CCM_BASE_ADDR) + 0x30)
-#define CCM_WKGDCTL (IO_ADDRESS(CCM_BASE_ADDR) + 0x34)
+#define CCM_CSCR IO_ADDR_CCM(0x0)
+#define CCM_MPCTL0 IO_ADDR_CCM(0x4)
+#define CCM_MPCTL1 IO_ADDR_CCM(0x8)
+#define CCM_SPCTL0 IO_ADDR_CCM(0xc)
+#define CCM_SPCTL1 IO_ADDR_CCM(0x10)
+#define CCM_OSC26MCTL IO_ADDR_CCM(0x14)
+#define CCM_PCDR0 IO_ADDR_CCM(0x18)
+#define CCM_PCDR1 IO_ADDR_CCM(0x1c)
+#define CCM_PCCR0 IO_ADDR_CCM(0x20)
+#define CCM_PCCR1 IO_ADDR_CCM(0x24)
+#define CCM_CCSR IO_ADDR_CCM(0x28)
+#define CCM_PMCTL IO_ADDR_CCM(0x2c)
+#define CCM_PMCOUNT IO_ADDR_CCM(0x30)
+#define CCM_WKGDCTL IO_ADDR_CCM(0x34)
#define CCM_CSCR_UPDATE_DIS (1 << 31)
#define CCM_CSCR_SSI2 (1 << 23)
--
1.6.5.2
More information about the linux-arm-kernel
mailing list