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| author | YANG Qiao <yangqiao0505@me.com> | 2015-08-13 00:04:33 +0200 |
|---|---|---|
| committer | Pavel Pisa <ppisa@pikron.com> | 2016-05-19 13:21:40 +0200 |
| commit | 33e39d3102404d14a8fab8d7ebd34c027a7836b5 (patch) | |
| tree | e39acd66cb20f103853afaf0af45b433514e413e /c/src/lib/libbsp/arm/raspberrypi/include/raspberrypi.h | |
| parent | arm/raspberrypi: add locking around GPIO pin function selection. (diff) | |
| download | rtems-33e39d3102404d14a8fab8d7ebd34c027a7836b5.tar.bz2 | |
arm/raspberrypi: add VideoCore mailbox support read and write
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/arm/raspberrypi/include/raspberrypi.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/raspberrypi/include/raspberrypi.h b/c/src/lib/libbsp/arm/raspberrypi/include/raspberrypi.h index 2a4d772dba..d6f00e8bd0 100644 --- a/c/src/lib/libbsp/arm/raspberrypi/include/raspberrypi.h +++ b/c/src/lib/libbsp/arm/raspberrypi/include/raspberrypi.h @@ -9,6 +9,7 @@ /* * Copyright (c) 2014-2015 Andre Marques <andre.lousa.marques at gmail.com> * Copyright (c) 2013 Alan Cudmore. + * Copyright (c) 2015 Yang Qiao * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at @@ -287,6 +288,54 @@ /** @} */ +/** +* @name Mailbox Registers +* +* @{ +*/ + +#define BCM2835_MBOX_BASE (RPI_PERIPHERAL_BASE+0xB880) + +#define BCM2835_MBOX_PEEK (BCM2835_MBOX_BASE+0x10) +#define BCM2835_MBOX_READ (BCM2835_MBOX_BASE+0x00) +#define BCM2835_MBOX_WRITE (BCM2835_MBOX_BASE+0x20) +#define BCM2835_MBOX_STATUS (BCM2835_MBOX_BASE+0x18) +#define BCM2835_MBOX_SENDER (BCM2835_MBOX_BASE+0x14) +#define BCM2835_MBOX_CONFIG (BCM2835_MBOX_BASE+0x1C) + +#define BCM2835_MBOX_FULL 0x80000000 +#define BCM2835_MBOX_EMPTY 0x40000000 + +/** @} */ + +/** +* @name Mailbox Channels +* +* @{ +*/ + +/* Power Manager channel */ +#define BCM2835_MBOX_CHANNEL_PM 0 +/* Framebuffer channel */ +#define BCM2835_MBOX_CHANNEL_FB 1 + /* Virtual UART channel */ +#define BCM2835_MBOX_CHANNEL_VUART 2 + /* VCHIQ channel */ +#define BCM2835_MBOX_CHANNEL_VCHIQ 3 + /* LEDs channel */ +#define BCM2835_MBOX_CHANNEL_LED 4 + /* Button channel */ +#define BCM2835_MBOX_CHANNEL_BUTTON 5 + /* Touch screen channel */ +#define BCM2835_MBOX_CHANNEL_TOUCHS 6 +/* Property tags (ARM <-> VC) channel */ +#define BCM2835_MBOX_CHANNEL_PROP_AVC 8 + /* Property tags (VC <-> ARM) channel */ +#define BCM2835_MBOX_CHANNEL_PROP_VCA 9 + +/** @} */ + + /** @} */ #endif /* LIBBSP_ARM_RASPBERRYPI_RASPBERRYPI_H */ |