diff options
Diffstat (limited to 'drivers/rapidio/switches')
| -rw-r--r-- | drivers/rapidio/switches/Kconfig | 28 | ||||
| -rw-r--r-- | drivers/rapidio/switches/Makefile | 5 | ||||
| -rw-r--r-- | drivers/rapidio/switches/idtcps.c | 89 | ||||
| -rw-r--r-- | drivers/rapidio/switches/tsi500.c | 2 | ||||
| -rw-r--r-- | drivers/rapidio/switches/tsi568.c | 106 | ||||
| -rw-r--r-- | drivers/rapidio/switches/tsi57x.c | 106 |
6 files changed, 334 insertions, 2 deletions
diff --git a/drivers/rapidio/switches/Kconfig b/drivers/rapidio/switches/Kconfig new file mode 100644 index 0000000..6969f39 --- /dev/null +++ b/drivers/rapidio/switches/Kconfig @@ -0,0 +1,28 @@ +# +# RapidIO switches configuration +# +config RAPIDIO_TSI57X + bool "IDT Tsi57x SRIO switches support" + depends on RAPIDIO + ---help--- + Includes support for ITD Tsi57x family of serial RapidIO switches. + +config RAPIDIO_CPS_XX + bool "IDT CPS-xx SRIO switches support" + depends on RAPIDIO + ---help--- + Includes support for ITD CPS-16/12/10/8 serial RapidIO switches. + +config RAPIDIO_TSI568 + bool "Tsi568 SRIO switch support" + depends on RAPIDIO + default n + ---help--- + Includes support for ITD Tsi568 serial RapidIO switch. + +config RAPIDIO_TSI500 + bool "Tsi500 Parallel RapidIO switch support" + depends on RAPIDIO + default n + ---help--- + Includes support for ITD Tsi500 parallel RapidIO switch. diff --git a/drivers/rapidio/switches/Makefile b/drivers/rapidio/switches/Makefile index b924f83..0fece0e 100644 --- a/drivers/rapidio/switches/Makefile +++ b/drivers/rapidio/switches/Makefile @@ -2,4 +2,7 @@ # Makefile for RIO switches # -obj-$(CONFIG_RAPIDIO) += tsi500.o +obj-$(CONFIG_RAPIDIO_TSI57X) += tsi57x.o +obj-$(CONFIG_RAPIDIO_CPS_XX) += idtcps.o +obj-$(CONFIG_RAPIDIO_TSI568) += tsi568.o +obj-$(CONFIG_RAPIDIO_TSI500) += tsi500.o diff --git a/drivers/rapidio/switches/idtcps.c b/drivers/rapidio/switches/idtcps.c new file mode 100644 index 0000000..7e3d032 --- /dev/null +++ b/drivers/rapidio/switches/idtcps.c @@ -0,0 +1,89 @@ +/* + * IDT CPS RapidIO switches support + * + * Copyright 2009 Integrated Device Technology, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/rio.h> +#include <linux/rio_drv.h> +#include <linux/rio_ids.h> +#include "../rio.h" + +#define CPS_NO_ROUTE 0xdf + +static int +idtcps_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount, + u16 table, u16 route_destid, u8 route_port) +{ + u32 result; + + if (table == RIO_GLOBAL_TABLE) { + rio_mport_write_config_32(mport, destid, hopcount, + RIO_STD_RTE_CONF_DESTID_SEL_CSR, route_destid); + + rio_mport_read_config_32(mport, destid, hopcount, + RIO_STD_RTE_CONF_PORT_SEL_CSR, &result); + + result = (0xffffff00 & result) | (u32)route_port; + rio_mport_write_config_32(mport, destid, hopcount, + RIO_STD_RTE_CONF_PORT_SEL_CSR, result); + } + + return 0; +} + +static int +idtcps_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount, + u16 table, u16 route_destid, u8 *route_port) +{ + u32 result; + + if (table == RIO_GLOBAL_TABLE) { + rio_mport_write_config_32(mport, destid, hopcount, + RIO_STD_RTE_CONF_DESTID_SEL_CSR, route_destid); + + rio_mport_read_config_32(mport, destid, hopcount, + RIO_STD_RTE_CONF_PORT_SEL_CSR, &result); + + if (CPS_NO_ROUTE == (u8)result) + result = RIO_INVALID_ROUTE; + + *route_port = (u8)result; + } + + return 0; +} + +static int +idtcps_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount, + u16 table) +{ + u32 i; + + if (table == RIO_GLOBAL_TABLE) { + for (i = 0x80000000; i <= 0x800000ff;) { + rio_mport_write_config_32(mport, destid, hopcount, + RIO_STD_RTE_CONF_DESTID_SEL_CSR, i); + rio_mport_write_config_32(mport, destid, hopcount, + RIO_STD_RTE_CONF_PORT_SEL_CSR, + (RIO_INVALID_ROUTE << 24) | + (RIO_INVALID_ROUTE << 16) | + (RIO_INVALID_ROUTE << 8) | RIO_INVALID_ROUTE); + i += 4; + } + } + + return 0; +} + +DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS6Q, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table); +DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS8, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table); +DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS10Q, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table); +DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS12, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table); +DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS16, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table); +DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDT70K200, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table); diff --git a/drivers/rapidio/switches/tsi500.c b/drivers/rapidio/switches/tsi500.c index c77c23b..ae553bb 100644 --- a/drivers/rapidio/switches/tsi500.c +++ b/drivers/rapidio/switches/tsi500.c @@ -57,4 +57,4 @@ tsi500_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount, u16 tab return ret; } -DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI500, tsi500_route_add_entry, tsi500_route_get_entry); +DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI500, tsi500_route_add_entry, tsi500_route_get_entry, NULL); diff --git a/drivers/rapidio/switches/tsi568.c b/drivers/rapidio/switches/tsi568.c new file mode 100644 index 0000000..bce9112 --- /dev/null +++ b/drivers/rapidio/switches/tsi568.c @@ -0,0 +1,106 @@ +/* + * RapidIO Tsi568 switch support + * + * Copyright 2009-2010 Integrated Device Technology, Inc. + * Copyright 2005 MontaVista Software, Inc. + * Matt Porter <mporter@kernel.crashing.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/rio.h> +#include <linux/rio_drv.h> +#include <linux/rio_ids.h> +#include <linux/delay.h> +#include "../rio.h" + +/* Global (broadcast) route registers */ +#define SPBC_ROUTE_CFG_DESTID 0x10070 +#define SPBC_ROUTE_CFG_PORT 0x10074 + +/* Per port route registers */ +#define SPP_ROUTE_CFG_DESTID(n) (0x11070 + 0x100*n) +#define SPP_ROUTE_CFG_PORT(n) (0x11074 + 0x100*n) + +static int +tsi568_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount, + u16 table, u16 route_destid, u8 route_port) +{ + if (table == RIO_GLOBAL_TABLE) { + rio_mport_write_config_32(mport, destid, hopcount, + SPBC_ROUTE_CFG_DESTID, route_destid); + rio_mport_write_config_32(mport, destid, hopcount, + SPBC_ROUTE_CFG_PORT, route_port); + } else { + rio_mport_write_config_32(mport, destid, hopcount, + SPP_ROUTE_CFG_DESTID(table), + route_destid); + rio_mport_write_config_32(mport, destid, hopcount, + SPP_ROUTE_CFG_PORT(table), route_port); + } + + udelay(10); + + return 0; +} + +static int +tsi568_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount, + u16 table, u16 route_destid, u8 *route_port) +{ + int ret = 0; + u32 result; + + if (table == RIO_GLOBAL_TABLE) { + rio_mport_write_config_32(mport, destid, hopcount, + SPBC_ROUTE_CFG_DESTID, route_destid); + rio_mport_read_config_32(mport, destid, hopcount, + SPBC_ROUTE_CFG_PORT, &result); + } else { + rio_mport_write_config_32(mport, destid, hopcount, + SPP_ROUTE_CFG_DESTID(table), + route_destid); + rio_mport_read_config_32(mport, destid, hopcount, + SPP_ROUTE_CFG_PORT(table), &result); + } + + *route_port = result; + if (*route_port > 15) + ret = -1; + + return ret; +} + +static int +tsi568_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount, + u16 table) +{ + u32 route_idx; + u32 lut_size; + + lut_size = (mport->sys_size) ? 0x1ff : 0xff; + + if (table == RIO_GLOBAL_TABLE) { + rio_mport_write_config_32(mport, destid, hopcount, + SPBC_ROUTE_CFG_DESTID, 0x80000000); + for (route_idx = 0; route_idx <= lut_size; route_idx++) + rio_mport_write_config_32(mport, destid, hopcount, + SPBC_ROUTE_CFG_PORT, + RIO_INVALID_ROUTE); + } else { + rio_mport_write_config_32(mport, destid, hopcount, + SPP_ROUTE_CFG_DESTID(table), + 0x80000000); + for (route_idx = 0; route_idx <= lut_size; route_idx++) + rio_mport_write_config_32(mport, destid, hopcount, + SPP_ROUTE_CFG_PORT(table), + RIO_INVALID_ROUTE); + } + + return 0; +} + +DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI568, tsi568_route_add_entry, tsi568_route_get_entry, tsi568_route_clr_table); diff --git a/drivers/rapidio/switches/tsi57x.c b/drivers/rapidio/switches/tsi57x.c new file mode 100644 index 0000000..5ad7880 --- /dev/null +++ b/drivers/rapidio/switches/tsi57x.c @@ -0,0 +1,106 @@ +/* + * RapidIO Tsi57x switch family support + * + * Copyright 2009 Integrated Device Technology, Inc. + * Copyright 2005 MontaVista Software, Inc. + * Matt Porter <mporter@kernel.crashing.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/rio.h> +#include <linux/rio_drv.h> +#include <linux/rio_ids.h> +#include <linux/delay.h> +#include "../rio.h" + +/* Global (broadcast) route registers */ +#define SPBC_ROUTE_CFG_DESTID 0x10070 +#define SPBC_ROUTE_CFG_PORT 0x10074 + +/* Per port route registers */ +#define SPP_ROUTE_CFG_DESTID(n) (0x11070 + 0x100*n) +#define SPP_ROUTE_CFG_PORT(n) (0x11074 + 0x100*n) + +static int +tsi57x_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount, + u16 table, u16 route_destid, u8 route_port) +{ + if (table == RIO_GLOBAL_TABLE) { + rio_mport_write_config_32(mport, destid, hopcount, + SPBC_ROUTE_CFG_DESTID, route_destid); + rio_mport_write_config_32(mport, destid, hopcount, + SPBC_ROUTE_CFG_PORT, route_port); + } else { + rio_mport_write_config_32(mport, destid, hopcount, + SPP_ROUTE_CFG_DESTID(table), route_destid); + rio_mport_write_config_32(mport, destid, hopcount, + SPP_ROUTE_CFG_PORT(table), route_port); + } + + udelay(10); + + return 0; +} + +static int +tsi57x_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount, + u16 table, u16 route_destid, u8 *route_port) +{ + int ret = 0; + u32 result; + + if (table == RIO_GLOBAL_TABLE) { + /* Use local RT of the ingress port to avoid possible + race condition */ + rio_mport_read_config_32(mport, destid, hopcount, + RIO_SWP_INFO_CAR, &result); + table = (result & RIO_SWP_INFO_PORT_NUM_MASK); + } + + rio_mport_write_config_32(mport, destid, hopcount, + SPP_ROUTE_CFG_DESTID(table), route_destid); + rio_mport_read_config_32(mport, destid, hopcount, + SPP_ROUTE_CFG_PORT(table), &result); + + *route_port = (u8)result; + if (*route_port > 15) + ret = -1; + + return ret; +} + +static int +tsi57x_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount, + u16 table) +{ + u32 route_idx; + u32 lut_size; + + lut_size = (mport->sys_size) ? 0x1ff : 0xff; + + if (table == RIO_GLOBAL_TABLE) { + rio_mport_write_config_32(mport, destid, hopcount, + SPBC_ROUTE_CFG_DESTID, 0x80000000); + for (route_idx = 0; route_idx <= lut_size; route_idx++) + rio_mport_write_config_32(mport, destid, hopcount, + SPBC_ROUTE_CFG_PORT, + RIO_INVALID_ROUTE); + } else { + rio_mport_write_config_32(mport, destid, hopcount, + SPP_ROUTE_CFG_DESTID(table), 0x80000000); + for (route_idx = 0; route_idx <= lut_size; route_idx++) + rio_mport_write_config_32(mport, destid, hopcount, + SPP_ROUTE_CFG_PORT(table) , RIO_INVALID_ROUTE); + } + + return 0; +} + +DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI572, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table); +DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI574, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table); +DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI577, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table); +DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI578, tsi57x_route_add_entry, tsi57x_route_get_entry, tsi57x_route_clr_table); 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