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path: root/drivers/rapidio/switches/tsi568.c
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Diffstat (limited to 'drivers/rapidio/switches/tsi568.c')
-rw-r--r--drivers/rapidio/switches/tsi568.c195
1 files changed, 0 insertions, 195 deletions
diff --git a/drivers/rapidio/switches/tsi568.c b/drivers/rapidio/switches/tsi568.c
deleted file mode 100644
index 103b48a24980..000000000000
--- a/drivers/rapidio/switches/tsi568.c
+++ /dev/null
@@ -1,195 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * RapidIO Tsi568 switch support
- *
- * Copyright 2009-2010 Integrated Device Technology, Inc.
- * Alexandre Bounine <alexandre.bounine@idt.com>
- * - Added EM support
- * - Modified switch operations initialization.
- *
- * Copyright 2005 MontaVista Software, Inc.
- * Matt Porter <mporter@kernel.crashing.org>
- */
-
-#include <linux/rio.h>
-#include <linux/rio_drv.h>
-#include <linux/rio_ids.h>
-#include <linux/delay.h>
-#include <linux/module.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)
-
-#define TSI568_SP_MODE(n) (0x11004 + 0x100*n)
-#define TSI568_SP_MODE_PW_DIS 0x08000000
-
-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;
-}
-
-static int
-tsi568_em_init(struct rio_dev *rdev)
-{
- u32 regval;
- int portnum;
-
- pr_debug("TSI568 %s [%d:%d]\n", __func__, rdev->destid, rdev->hopcount);
-
- /* Make sure that Port-Writes are disabled (for all ports) */
- for (portnum = 0;
- portnum < RIO_GET_TOTAL_PORTS(rdev->swpinfo); portnum++) {
- rio_read_config_32(rdev, TSI568_SP_MODE(portnum), &regval);
- rio_write_config_32(rdev, TSI568_SP_MODE(portnum),
- regval | TSI568_SP_MODE_PW_DIS);
- }
-
- return 0;
-}
-
-static struct rio_switch_ops tsi568_switch_ops = {
- .owner = THIS_MODULE,
- .add_entry = tsi568_route_add_entry,
- .get_entry = tsi568_route_get_entry,
- .clr_table = tsi568_route_clr_table,
- .set_domain = NULL,
- .get_domain = NULL,
- .em_init = tsi568_em_init,
- .em_handle = NULL,
-};
-
-static int tsi568_probe(struct rio_dev *rdev, const struct rio_device_id *id)
-{
- pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev));
-
- spin_lock(&rdev->rswitch->lock);
-
- if (rdev->rswitch->ops) {
- spin_unlock(&rdev->rswitch->lock);
- return -EINVAL;
- }
-
- rdev->rswitch->ops = &tsi568_switch_ops;
- spin_unlock(&rdev->rswitch->lock);
- return 0;
-}
-
-static void tsi568_remove(struct rio_dev *rdev)
-{
- pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev));
- spin_lock(&rdev->rswitch->lock);
- if (rdev->rswitch->ops != &tsi568_switch_ops) {
- spin_unlock(&rdev->rswitch->lock);
- return;
- }
- rdev->rswitch->ops = NULL;
- spin_unlock(&rdev->rswitch->lock);
-}
-
-static const struct rio_device_id tsi568_id_table[] = {
- {RIO_DEVICE(RIO_DID_TSI568, RIO_VID_TUNDRA)},
- { 0, } /* terminate list */
-};
-
-static struct rio_driver tsi568_driver = {
- .name = "tsi568",
- .id_table = tsi568_id_table,
- .probe = tsi568_probe,
- .remove = tsi568_remove,
-};
-
-static int __init tsi568_init(void)
-{
- return rio_register_driver(&tsi568_driver);
-}
-
-static void __exit tsi568_exit(void)
-{
- rio_unregister_driver(&tsi568_driver);
-}
-
-device_initcall(tsi568_init);
-module_exit(tsi568_exit);
-
-MODULE_DESCRIPTION("IDT Tsi568 Serial RapidIO switch driver");
-MODULE_AUTHOR("Integrated Device Technology, Inc.");
-MODULE_LICENSE("GPL");