diff options
| author | Marc Kleine-Budde <mkl@pengutronix.de> | 2014-09-17 12:50:48 +0200 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2015-05-06 22:57:26 +0200 |
| commit | 66a6ef02294f066b5e059373e798b700b4b73b3b (patch) | |
| tree | c0be8c198b1d928986f18e293263e57d51b8e2b1 /drivers/net | |
| parent | 8a1ce7e8f7f87e882607952eea8f2e4a178e3a71 (diff) | |
can: flexcan: add documentation about mailbox organization
This patch adds a short documentation snippet about the mailbox organization as
it's regularly not correct in freescale's datasheets.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/can/flexcan.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 0f5965cc3fbc..eb3ebfb47442 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -230,6 +230,16 @@ struct flexcan_regs { u32 rxfir; /* 0x4c */ u32 _reserved3[12]; /* 0x50 */ struct flexcan_mb cantxfg[64]; /* 0x80 */ + /* FIFO-mode: + * MB + * 0x080...0x08f 0 RX message buffer + * 0x090...0x0df 1-5 reserverd + * 0x0e0...0x0ff 6-7 8 entry ID table + * (mx25, mx28, mx35, mx53) + * 0x0e0...0x2df 6-7..37 8..128 entry ID table + * size conf'ed via ctrl2::RFFN + * (mx6, vf610) + */ u32 _reserved4[408]; u32 mecr; /* 0xae0 */ u32 erriar; /* 0xae4 */ |