07590ff039
Extentions to RapidIO switch support: 1. modify switch route operation declarations to allow using single switch-specific file for family of switches that share the same route table operations. 2. add standard route table operations for switches that that support route table manipulation registers as defined in the Rev.1.3 of RapidIO specification. 3. add clear-route-table operation for switches 4. add CPSxx and TSIxxx families of RapidIO switches Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com> Tested-by: Thomas Moll <thomas.moll@sysgo.com> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Li Yang <leoli@freescale.com> Cc: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/*
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* RapidIO Tsi500 switch support
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*
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* Copyright 2005 MontaVista Software, Inc.
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* Matt Porter <mporter@kernel.crashing.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/rio.h>
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#include <linux/rio_drv.h>
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#include <linux/rio_ids.h>
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#include "../rio.h"
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static int
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tsi500_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 route_port)
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{
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int i;
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u32 offset = 0x10000 + 0xa00 + ((route_destid / 2)&~0x3);
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u32 result;
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if (table == 0xff) {
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rio_mport_read_config_32(mport, destid, hopcount, offset, &result);
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result &= ~(0xf << (4*(route_destid & 0x7)));
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for (i=0;i<4;i++)
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rio_mport_write_config_32(mport, destid, hopcount, offset + (0x20000*i), result | (route_port << (4*(route_destid & 0x7))));
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}
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else {
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rio_mport_read_config_32(mport, destid, hopcount, offset + (0x20000*table), &result);
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result &= ~(0xf << (4*(route_destid & 0x7)));
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rio_mport_write_config_32(mport, destid, hopcount, offset + (0x20000*table), result | (route_port << (4*(route_destid & 0x7))));
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}
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return 0;
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}
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static int
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tsi500_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount, u16 table, u16 route_destid, u8 *route_port)
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{
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int ret = 0;
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u32 offset = 0x10000 + 0xa00 + ((route_destid / 2)&~0x3);
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u32 result;
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if (table == 0xff)
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rio_mport_read_config_32(mport, destid, hopcount, offset, &result);
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else
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rio_mport_read_config_32(mport, destid, hopcount, offset + (0x20000*table), &result);
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result &= 0xf << (4*(route_destid & 0x7));
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*route_port = result >> (4*(route_destid & 0x7));
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if (*route_port > 3)
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ret = -1;
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return ret;
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}
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DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI500, tsi500_route_add_entry, tsi500_route_get_entry, NULL);
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