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| author | Luiz Otavio O Souza <loos@FreeBSD.org> | 2016-03-30 17:00:33 +0000 |
|---|---|---|
| committer | Luiz Otavio O Souza <loos@FreeBSD.org> | 2016-03-30 17:00:33 +0000 |
| commit | 8f74c88a7330cfb9f8be768c1ddfb48159eb74af (patch) | |
| tree | 3faee8be8bc8b21284063d9e66b0677ed0433169 /sys/dev/flash | |
| parent | 320d8421018097b8036064db704edeedfc97d7a4 (diff) | |
| download | src-8f74c88a7330cfb9f8be768c1ddfb48159eb74af.tar.gz src-8f74c88a7330cfb9f8be768c1ddfb48159eb74af.zip | |
Add basic FDT support for the mx25l SPI flash.
Sponsored by: Rubicon Communications (Netgate)
Notes
Notes:
svn path=/head/; revision=297423
Diffstat (limited to 'sys/dev/flash')
| -rw-r--r-- | sys/dev/flash/mx25l.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sys/dev/flash/mx25l.c b/sys/dev/flash/mx25l.c index c4dad4b28775..c43b751fb1fb 100644 --- a/sys/dev/flash/mx25l.c +++ b/sys/dev/flash/mx25l.c @@ -26,6 +26,8 @@ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); +#include "opt_platform.h" + #include <sys/param.h> #include <sys/systm.h> #include <sys/bio.h> @@ -40,6 +42,12 @@ __FBSDID("$FreeBSD$"); #include <sys/mutex.h> #include <geom/geom_disk.h> +#ifdef FDT +#include <dev/fdt/fdt_common.h> +#include <dev/ofw/ofw_bus_subr.h> +#include <dev/ofw/openfirm.h> +#endif + #include <dev/spibus/spi.h> #include "spibus_if.h" @@ -360,7 +368,15 @@ mx25l_read(device_t dev, off_t offset, caddr_t data, off_t count) static int mx25l_probe(device_t dev) { + +#ifdef FDT + if (!ofw_bus_status_okay(dev)) + return (ENXIO); + if (!ofw_bus_is_compatible(dev, "st,m25p")) + return (ENXIO); +#endif device_set_desc(dev, "M25Pxx Flash Family"); + return (0); } |