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author | Alexandre Bounine <alexandre.bounine@idt.com> | 2010-05-26 14:44:04 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 09:12:51 -0700 |
commit | 7a88d6286240f1e8a0cf9c07252e1576169020f5 (patch) | |
tree | 8fc7d9d6b00a8f2b319f78b1dd9db489395a99fd | |
parent | 058f88d672b3161fe511ebe2996c3faef63c1c8e (diff) | |
download | linux-3.10-7a88d6286240f1e8a0cf9c07252e1576169020f5.tar.gz linux-3.10-7a88d6286240f1e8a0cf9c07252e1576169020f5.tar.bz2 linux-3.10-7a88d6286240f1e8a0cf9c07252e1576169020f5.zip |
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>
-rw-r--r-- | drivers/rapidio/switches/idtcps.c | 33 | ||||
-rw-r--r-- | drivers/rapidio/switches/tsi500.c | 2 | ||||
-rw-r--r-- | drivers/rapidio/switches/tsi568.c | 2 | ||||
-rw-r--r-- | drivers/rapidio/switches/tsi57x.c | 45 | ||||
-rw-r--r-- | include/linux/rio.h | 4 |
5 files changed, 86 insertions, 0 deletions
diff --git a/drivers/rapidio/switches/idtcps.c b/drivers/rapidio/switches/idtcps.c index 46e6630dacd..73c3677e5ac 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; diff --git a/drivers/rapidio/switches/tsi500.c b/drivers/rapidio/switches/tsi500.c index 65b865d64d3..914eddd5aa4 100644 --- a/drivers/rapidio/switches/tsi500.c +++ b/drivers/rapidio/switches/tsi500.c @@ -67,6 +67,8 @@ static int tsi500_switch_init(struct rio_dev *rdev, int do_enum) rdev->rswitch->add_entry = tsi500_route_add_entry; rdev->rswitch->get_entry = tsi500_route_get_entry; rdev->rswitch->clr_table = NULL; + rdev->rswitch->set_domain = NULL; + rdev->rswitch->get_domain = NULL; rdev->rswitch->em_init = NULL; rdev->rswitch->em_handle = NULL; diff --git a/drivers/rapidio/switches/tsi568.c b/drivers/rapidio/switches/tsi568.c index 322840d4383..f7fd7898606 100644 --- a/drivers/rapidio/switches/tsi568.c +++ b/drivers/rapidio/switches/tsi568.c @@ -135,6 +135,8 @@ static int tsi568_switch_init(struct rio_dev *rdev, int do_enum) rdev->rswitch->add_entry = tsi568_route_add_entry; rdev->rswitch->get_entry = tsi568_route_get_entry; rdev->rswitch->clr_table = tsi568_route_clr_table; + rdev->rswitch->set_domain = NULL; + rdev->rswitch->get_domain = NULL; rdev->rswitch->em_init = tsi568_em_init; rdev->rswitch->em_handle = NULL; diff --git a/drivers/rapidio/switches/tsi57x.c b/drivers/rapidio/switches/tsi57x.c index 2e902d3e1ab..d34df722d95 100644 --- a/drivers/rapidio/switches/tsi57x.c +++ b/drivers/rapidio/switches/tsi57x.c @@ -30,13 +30,17 @@ #define SPP_ROUTE_CFG_PORT(n) (0x11074 + 0x100*n) #define TSI578_SP_MODE(n) (0x11004 + n*0x100) +#define TSI578_SP_MODE_GLBL 0x10004 #define TSI578_SP_MODE_PW_DIS 0x08000000 +#define TSI578_SP_MODE_LUT_512 0x01000000 #define TSI578_SP_CTL_INDEP(n) (0x13004 + n*0x100) #define TSI578_SP_LUT_PEINF(n) (0x13010 + n*0x100) #define TSI578_SP_CS_TX(n) (0x13014 + n*0x100) #define TSI578_SP_INT_STATUS(n) (0x13018 + n*0x100) +#define TSI578_GLBL_ROUTE_BASE 0x10078 + static int tsi57x_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 route_port) @@ -113,6 +117,45 @@ tsi57x_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount, } static int +tsi57x_set_domain(struct rio_mport *mport, u16 destid, u8 hopcount, + u8 sw_domain) +{ + u32 regval; + + /* + * Switch domain configuration operates only at global level + */ + + /* Turn off flat (LUT_512) mode */ + rio_mport_read_config_32(mport, destid, hopcount, + TSI578_SP_MODE_GLBL, ®val); + rio_mport_write_config_32(mport, destid, hopcount, TSI578_SP_MODE_GLBL, + regval & ~TSI578_SP_MODE_LUT_512); + /* Set switch domain base */ + rio_mport_write_config_32(mport, destid, hopcount, + TSI578_GLBL_ROUTE_BASE, + (u32)(sw_domain << 24)); + return 0; +} + +static int +tsi57x_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, + TSI578_GLBL_ROUTE_BASE, ®val); + + *sw_domain = (u8)(regval >> 24); + + return 0; +} + +static int tsi57x_em_init(struct rio_dev *rdev) { struct rio_mport *mport = rdev->net->hport; @@ -258,6 +301,8 @@ static int tsi57x_switch_init(struct rio_dev *rdev, int do_enum) rdev->rswitch->add_entry = tsi57x_route_add_entry; rdev->rswitch->get_entry = tsi57x_route_get_entry; rdev->rswitch->clr_table = tsi57x_route_clr_table; + rdev->rswitch->set_domain = tsi57x_set_domain; + rdev->rswitch->get_domain = tsi57x_get_domain; rdev->rswitch->em_init = tsi57x_em_init; rdev->rswitch->em_handle = tsi57x_em_handler; diff --git a/include/linux/rio.h b/include/linux/rio.h index 3d0ac930cbe..19b5f227096 100644 --- a/include/linux/rio.h +++ b/include/linux/rio.h @@ -238,6 +238,10 @@ struct rio_switch { u16 table, u16 route_destid, u8 * route_port); int (*clr_table) (struct rio_mport *mport, u16 destid, u8 hopcount, u16 table); + int (*set_domain) (struct rio_mport *mport, u16 destid, u8 hopcount, + u8 sw_domain); + int (*get_domain) (struct rio_mport *mport, u16 destid, u8 hopcount, + u8 *sw_domain); int (*em_init) (struct rio_dev *dev); int (*em_handle) (struct rio_dev *dev, u8 swport); }; |