Module Name: src
Committed By: jakllsch
Date: Fri Sep 12 17:31:32 UTC 2014
Modified Files:
src/sys/arch/arm/broadcom: bcm2835reg.h
Log Message:
Add BCM2835_PERIPHERALS_TO_BUS() macro to convert ARM physical address to
VideoCore bus address, needed when programing the DMA engine with hardware
FIFO register addresses.
To generate a diff of this commit:
cvs rdiff -u -r1.11 -r1.12 src/sys/arch/arm/broadcom/bcm2835reg.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/broadcom/bcm2835reg.h
diff -u src/sys/arch/arm/broadcom/bcm2835reg.h:1.11 src/sys/arch/arm/broadcom/bcm2835reg.h:1.12
--- src/sys/arch/arm/broadcom/bcm2835reg.h:1.11 Sun Sep 7 14:15:59 2014
+++ src/sys/arch/arm/broadcom/bcm2835reg.h Fri Sep 12 17:31:32 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: bcm2835reg.h,v 1.11 2014/09/07 14:15:59 jmcneill Exp $ */
+/* $NetBSD: bcm2835reg.h,v 1.12 2014/09/12 17:31:32 jakllsch Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -40,6 +40,9 @@
#define BCM2835_PERIPHERALS_BASE 0x20000000
#define BCM2835_PERIPHERALS_SIZE 0x01000000 /* 16MBytes */
+#define BCM2835_PERIPHERALS_BASE_BUS 0x7e000000
+#define BCM2835_PERIPHERALS_TO_BUS(a) \
+ ((a) - BCM2835_PERIPHERALS_BASE + BCM2835_PERIPHERALS_BASE_BUS)
#define BCM2835_STIMER_BASE (BCM2835_PERIPHERALS_BASE + 0x00003000)
#define BCM2835_DMA0_BASE (BCM2835_PERIPHERALS_BASE + 0x00007000)
