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[PATCH] I2O: fix and workaround for Motorola/Freescale controller

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- This controller violates the I2O spec for the I/O registers.  The patch
  contains a workaround which moves the registers to the proper location.
  (originally author: Matthew Starzewski)

- If a message frame is beyond the mapped address range a error is
  returned.

Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Markus Lidel
2006-02-03 03:04:29 -08:00
committed by Linus Torvalds
parent 15d8ec7d08
commit 8b3e09e199
3 changed files with 25 additions and 2 deletions
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3
drivers/message/i2o/core.h
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@@ -60,4 +60,7 @@ extern void i2o_iop_remove(struct i2o_controller *);
#define I2O_IN_PORT 0x40
#define I2O_OUT_PORT 0x44
/* Motorola/Freescale specific register offset */
#define I2O_MOTOROLA_PORT_OFFSET 0x10400
#define I2O_IRQ_OUTBOUND_POST 0x00000008