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Commit 66a6ef02 authored Sep 17, 2014 by Marc Kleine-Budde

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>

parent 8a1ce7e8

drivers/net/can/flexcan.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -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 */