diff options
| author | Alexandre Bounine <alexandre.bounine@idt.com> | 2010-05-26 14:44:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 09:12:51 -0700 |
| commit | 7a88d6286240f1e8a0cf9c07252e1576169020f5 (patch) | |
| tree | 8fc7d9d6b00a8f2b319f78b1dd9db489395a99fd /drivers/rapidio/switches/idtcps.c | |
| parent | 058f88d672b3161fe511ebe2996c3faef63c1c8e (diff) | |
rapidio: add switch domain routines
Add switch specific domain routines required for 16-bit routing support in
switches with hierarchical implementation of routing tables.
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Thomas Moll <thomas.moll@sysgo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rapidio/switches/idtcps.c')
| -rw-r--r-- | drivers/rapidio/switches/idtcps.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/rapidio/switches/idtcps.c b/drivers/rapidio/switches/idtcps.c index 46e6630dacd3..73c3677e5ac6 100644 --- a/drivers/rapidio/switches/idtcps.c +++ b/drivers/rapidio/switches/idtcps.c @@ -17,6 +17,8 @@ #define CPS_NO_ROUTE 0xdf +#define IDTCPS_RIO_DOMAIN 0xf20020 + static int idtcps_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 route_port) @@ -82,12 +84,43 @@ idtcps_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount, return 0; } +static int +idtcps_set_domain(struct rio_mport *mport, u16 destid, u8 hopcount, + u8 sw_domain) +{ + /* + * Switch domain configuration operates only at global level + */ + rio_mport_write_config_32(mport, destid, hopcount, + IDTCPS_RIO_DOMAIN, (u32)sw_domain); + return 0; +} + +static int +idtcps_get_domain(struct rio_mport *mport, u16 destid, u8 hopcount, + u8 *sw_domain) +{ + u32 regval; + + /* + * Switch domain configuration operates only at global level + */ + rio_mport_read_config_32(mport, destid, hopcount, + IDTCPS_RIO_DOMAIN, ®val); + + *sw_domain = (u8)(regval & 0xff); + + return 0; +} + static int idtcps_switch_init(struct rio_dev *rdev, int do_enum) { pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev)); rdev->rswitch->add_entry = idtcps_route_add_entry; rdev->rswitch->get_entry = idtcps_route_get_entry; rdev->rswitch->clr_table = idtcps_route_clr_table; + rdev->rswitch->set_domain = idtcps_set_domain; + rdev->rswitch->get_domain = idtcps_get_domain; rdev->rswitch->em_init = NULL; rdev->rswitch->em_handle = NULL; |