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| author | Alexandre Bounine <alexandre.bounine@idt.com> | 2010-05-26 14:43:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 09:12:50 -0700 |
| commit | e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8 (patch) | |
| tree | e866f1a9076608630a40f21f0a50c073dedb0e57 /drivers/rapidio/switches/tsi568.c | |
| parent | 818a04a0bb93643d57dd8935815de2ff307b58a3 (diff) | |
| download | op-kernel-dev-e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8.zip op-kernel-dev-e5cabeb3d60f9cd3e3950aff071319ae0e2d08d8.tar.gz | |
rapidio: add Port-Write handling for EM
Add RapidIO Port-Write message handling in the context of Error
Management Extensions Specification Rev.1.3.
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Tested-by: Thomas Moll <thomas.moll@sysgo.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rapidio/switches/tsi568.c')
| -rw-r--r-- | drivers/rapidio/switches/tsi568.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/rapidio/switches/tsi568.c b/drivers/rapidio/switches/tsi568.c index bce9112..905cf9c 100644 --- a/drivers/rapidio/switches/tsi568.c +++ b/drivers/rapidio/switches/tsi568.c @@ -25,6 +25,9 @@ #define SPP_ROUTE_CFG_DESTID(n) (0x11070 + 0x100*n) #define SPP_ROUTE_CFG_PORT(n) (0x11074 + 0x100*n) +#define TSI568_SP_MODE_BC 0x10004 +#define TSI568_SP_MODE_PW_DIS 0x08000000 + static int tsi568_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 route_port) @@ -104,3 +107,24 @@ tsi568_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount, } DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI568, tsi568_route_add_entry, tsi568_route_get_entry, tsi568_route_clr_table); + +static int +tsi568_em_init(struct rio_dev *rdev) +{ + struct rio_mport *mport = rdev->net->hport; + u16 destid = rdev->rswitch->destid; + u8 hopcount = rdev->rswitch->hopcount; + u32 regval; + + pr_debug("TSI568 %s [%d:%d]\n", __func__, destid, hopcount); + + /* Make sure that Port-Writes are disabled (for all ports) */ + rio_mport_read_config_32(mport, destid, hopcount, + TSI568_SP_MODE_BC, ®val); + rio_mport_write_config_32(mport, destid, hopcount, + TSI568_SP_MODE_BC, regval | TSI568_SP_MODE_PW_DIS); + + return 0; +} + +DECLARE_RIO_EM_OPS(RIO_VID_TUNDRA, RIO_DID_TSI568, tsi568_em_init, NULL); |
