diff options
author | Don Dugger <n0ano@n0ano.com> | 2016-06-03 03:33:22 +0000 |
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committer | Gerrit Code Review <gerrit@172.30.200.206> | 2016-06-03 03:33:23 +0000 |
commit | da27230f80795d0028333713f036d44c53cb0e68 (patch) | |
tree | b3d379eaf000adf72b36cb01cdf4d79c3e3f064c /qemu/include/hw/misc/bcm2835_mbox_defs.h | |
parent | 0e68cb048bb8aadb14675f5d4286d8ab2fc35449 (diff) | |
parent | 437fd90c0250dee670290f9b714253671a990160 (diff) |
Merge "These changes are the raw update to qemu-2.6."
Diffstat (limited to 'qemu/include/hw/misc/bcm2835_mbox_defs.h')
-rw-r--r-- | qemu/include/hw/misc/bcm2835_mbox_defs.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/qemu/include/hw/misc/bcm2835_mbox_defs.h b/qemu/include/hw/misc/bcm2835_mbox_defs.h new file mode 100644 index 000000000..a18e520b2 --- /dev/null +++ b/qemu/include/hw/misc/bcm2835_mbox_defs.h @@ -0,0 +1,27 @@ +/* + * Raspberry Pi emulation (c) 2012 Gregory Estrade + * This code is licensed under the GNU GPLv2 and later. + */ + +#ifndef BCM2835_MBOX_DEFS_H +#define BCM2835_MBOX_DEFS_H + +/* Constants shared with the ARM identifying separate mailbox channels */ +#define MBOX_CHAN_POWER 0 /* for use by the power management interface */ +#define MBOX_CHAN_FB 1 /* for use by the frame buffer */ +#define MBOX_CHAN_VCHIQ 3 /* for use by the VCHIQ interface */ +#define MBOX_CHAN_PROPERTY 8 /* for use by the property channel */ +#define MBOX_CHAN_COUNT 9 + +#define MBOX_SIZE 32 +#define MBOX_INVALID_DATA 0x0f + +/* Layout of the private address space used for communication between + * the mbox device emulation, and child devices: each channel occupies + * 16 bytes of address space, but only two registers are presently defined. + */ +#define MBOX_AS_CHAN_SHIFT 4 +#define MBOX_AS_DATA 0 /* request / response data (RW at offset 0) */ +#define MBOX_AS_PENDING 4 /* pending response status (RO at offset 4) */ + +#endif /* BCM2835_MBOX_DEFS_H */ |