forked from luck/tmp_suning_uos_patched
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>
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@ -17,6 +17,8 @@
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#define CPS_NO_ROUTE 0xdf
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#define IDTCPS_RIO_DOMAIN 0xf20020
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static int
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idtcps_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
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u16 table, u16 route_destid, u8 route_port)
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@ -82,12 +84,43 @@ idtcps_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
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return 0;
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}
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static int
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idtcps_set_domain(struct rio_mport *mport, u16 destid, u8 hopcount,
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u8 sw_domain)
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{
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/*
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* Switch domain configuration operates only at global level
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*/
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rio_mport_write_config_32(mport, destid, hopcount,
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IDTCPS_RIO_DOMAIN, (u32)sw_domain);
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return 0;
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}
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static int
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idtcps_get_domain(struct rio_mport *mport, u16 destid, u8 hopcount,
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u8 *sw_domain)
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{
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u32 regval;
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/*
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* Switch domain configuration operates only at global level
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*/
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rio_mport_read_config_32(mport, destid, hopcount,
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IDTCPS_RIO_DOMAIN, ®val);
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*sw_domain = (u8)(regval & 0xff);
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return 0;
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}
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static int idtcps_switch_init(struct rio_dev *rdev, int do_enum)
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{
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pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev));
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rdev->rswitch->add_entry = idtcps_route_add_entry;
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rdev->rswitch->get_entry = idtcps_route_get_entry;
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rdev->rswitch->clr_table = idtcps_route_clr_table;
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rdev->rswitch->set_domain = idtcps_set_domain;
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rdev->rswitch->get_domain = idtcps_get_domain;
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rdev->rswitch->em_init = NULL;
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rdev->rswitch->em_handle = NULL;
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@ -67,6 +67,8 @@ static int tsi500_switch_init(struct rio_dev *rdev, int do_enum)
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rdev->rswitch->add_entry = tsi500_route_add_entry;
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rdev->rswitch->get_entry = tsi500_route_get_entry;
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rdev->rswitch->clr_table = NULL;
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rdev->rswitch->set_domain = NULL;
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rdev->rswitch->get_domain = NULL;
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rdev->rswitch->em_init = NULL;
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rdev->rswitch->em_handle = NULL;
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@ -135,6 +135,8 @@ static int tsi568_switch_init(struct rio_dev *rdev, int do_enum)
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rdev->rswitch->add_entry = tsi568_route_add_entry;
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rdev->rswitch->get_entry = tsi568_route_get_entry;
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rdev->rswitch->clr_table = tsi568_route_clr_table;
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rdev->rswitch->set_domain = NULL;
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rdev->rswitch->get_domain = NULL;
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rdev->rswitch->em_init = tsi568_em_init;
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rdev->rswitch->em_handle = NULL;
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@ -30,13 +30,17 @@
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#define SPP_ROUTE_CFG_PORT(n) (0x11074 + 0x100*n)
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#define TSI578_SP_MODE(n) (0x11004 + n*0x100)
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#define TSI578_SP_MODE_GLBL 0x10004
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#define TSI578_SP_MODE_PW_DIS 0x08000000
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#define TSI578_SP_MODE_LUT_512 0x01000000
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#define TSI578_SP_CTL_INDEP(n) (0x13004 + n*0x100)
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#define TSI578_SP_LUT_PEINF(n) (0x13010 + n*0x100)
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#define TSI578_SP_CS_TX(n) (0x13014 + n*0x100)
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#define TSI578_SP_INT_STATUS(n) (0x13018 + n*0x100)
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#define TSI578_GLBL_ROUTE_BASE 0x10078
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static int
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tsi57x_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
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u16 table, u16 route_destid, u8 route_port)
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@ -112,6 +116,45 @@ tsi57x_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
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return 0;
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}
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static int
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tsi57x_set_domain(struct rio_mport *mport, u16 destid, u8 hopcount,
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u8 sw_domain)
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{
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u32 regval;
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/*
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* Switch domain configuration operates only at global level
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*/
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/* Turn off flat (LUT_512) mode */
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rio_mport_read_config_32(mport, destid, hopcount,
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TSI578_SP_MODE_GLBL, ®val);
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rio_mport_write_config_32(mport, destid, hopcount, TSI578_SP_MODE_GLBL,
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regval & ~TSI578_SP_MODE_LUT_512);
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/* Set switch domain base */
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rio_mport_write_config_32(mport, destid, hopcount,
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TSI578_GLBL_ROUTE_BASE,
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(u32)(sw_domain << 24));
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return 0;
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}
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static int
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tsi57x_get_domain(struct rio_mport *mport, u16 destid, u8 hopcount,
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u8 *sw_domain)
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{
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u32 regval;
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/*
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* Switch domain configuration operates only at global level
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*/
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rio_mport_read_config_32(mport, destid, hopcount,
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TSI578_GLBL_ROUTE_BASE, ®val);
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*sw_domain = (u8)(regval >> 24);
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return 0;
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}
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static int
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tsi57x_em_init(struct rio_dev *rdev)
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{
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@ -258,6 +301,8 @@ static int tsi57x_switch_init(struct rio_dev *rdev, int do_enum)
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rdev->rswitch->add_entry = tsi57x_route_add_entry;
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rdev->rswitch->get_entry = tsi57x_route_get_entry;
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rdev->rswitch->clr_table = tsi57x_route_clr_table;
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rdev->rswitch->set_domain = tsi57x_set_domain;
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rdev->rswitch->get_domain = tsi57x_get_domain;
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rdev->rswitch->em_init = tsi57x_em_init;
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rdev->rswitch->em_handle = tsi57x_em_handler;
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@ -238,6 +238,10 @@ struct rio_switch {
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u16 table, u16 route_destid, u8 * route_port);
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int (*clr_table) (struct rio_mport *mport, u16 destid, u8 hopcount,
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u16 table);
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int (*set_domain) (struct rio_mport *mport, u16 destid, u8 hopcount,
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u8 sw_domain);
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int (*get_domain) (struct rio_mport *mport, u16 destid, u8 hopcount,
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u8 *sw_domain);
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int (*em_init) (struct rio_dev *dev);
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int (*em_handle) (struct rio_dev *dev, u8 swport);
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};
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