2 * IDT CPS RapidIO switches support
4 * Copyright 2009 Integrated Device Technology, Inc.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
12 #include <linux/rio.h>
13 #include <linux/rio_drv.h>
14 #include <linux/rio_ids.h>
17 #define CPS_NO_ROUTE 0xdf
20 idtcps_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
21 u16 table, u16 route_destid, u8 route_port)
25 if (table == RIO_GLOBAL_TABLE) {
26 rio_mport_write_config_32(mport, destid, hopcount,
27 RIO_STD_RTE_CONF_DESTID_SEL_CSR, route_destid);
29 rio_mport_read_config_32(mport, destid, hopcount,
30 RIO_STD_RTE_CONF_PORT_SEL_CSR, &result);
32 result = (0xffffff00 & result) | (u32)route_port;
33 rio_mport_write_config_32(mport, destid, hopcount,
34 RIO_STD_RTE_CONF_PORT_SEL_CSR, result);
41 idtcps_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
42 u16 table, u16 route_destid, u8 *route_port)
46 if (table == RIO_GLOBAL_TABLE) {
47 rio_mport_write_config_32(mport, destid, hopcount,
48 RIO_STD_RTE_CONF_DESTID_SEL_CSR, route_destid);
50 rio_mport_read_config_32(mport, destid, hopcount,
51 RIO_STD_RTE_CONF_PORT_SEL_CSR, &result);
53 if (CPS_NO_ROUTE == (u8)result)
54 result = RIO_INVALID_ROUTE;
56 *route_port = (u8)result;
63 idtcps_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
68 if (table == RIO_GLOBAL_TABLE) {
69 for (i = 0x80000000; i <= 0x800000ff;) {
70 rio_mport_write_config_32(mport, destid, hopcount,
71 RIO_STD_RTE_CONF_DESTID_SEL_CSR, i);
72 rio_mport_write_config_32(mport, destid, hopcount,
73 RIO_STD_RTE_CONF_PORT_SEL_CSR,
74 (RIO_INVALID_ROUTE << 24) |
75 (RIO_INVALID_ROUTE << 16) |
76 (RIO_INVALID_ROUTE << 8) | RIO_INVALID_ROUTE);
84 DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS6Q, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
85 DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS8, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
86 DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS10Q, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
87 DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS12, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
88 DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDTCPS16, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);
89 DECLARE_RIO_ROUTE_OPS(RIO_VID_IDT, RIO_DID_IDT70K200, idtcps_route_add_entry, idtcps_route_get_entry, idtcps_route_clr_table);