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Diffstat (limited to 'arch/mips/pci/ops-titan-ht.c')
-rw-r--r--arch/mips/pci/ops-titan-ht.c124
1 files changed, 0 insertions, 124 deletions
diff --git a/arch/mips/pci/ops-titan-ht.c b/arch/mips/pci/ops-titan-ht.c
deleted file mode 100644
index 57d54adc9e20..000000000000
--- a/arch/mips/pci/ops-titan-ht.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright 2003 PMC-Sierra
- * Author: Manish Lachwani (lachwani@pmc-sierra.com)
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <asm/io.h>
-
-#include <asm/titan_dep.h>
-
-static int titan_ht_config_read_dword(struct pci_bus *bus, unsigned int devfn,
- int offset, u32 *val)
-{
- volatile uint32_t address;
- int busno;
-
- busno = bus->number;
-
- address = (busno << 16) | (devfn << 8) | (offset & 0xfc) | 0x80000000;
- if (busno != 0)
- address |= 1;
-
- /*
- * RM9000 HT Errata: Issue back to back HT config
- * transcations. Issue a BIU sync before and
- * after the HT cycle
- */
-
- *(volatile int32_t *) 0xfb0000f0 |= 0x2;
-
- udelay(30);
-
- *(volatile int32_t *) 0xfb0006f8 = address;
- *(val) = *(volatile int32_t *) 0xfb0006fc;
-
- udelay(30);
-
- * (volatile int32_t *) 0xfb0000f0 |= 0x2;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int titan_ht_config_read(struct pci_bus *bus, unsigned int devfn,
- int offset, int size, u32 *val)
-{
- uint32_t dword;
-
- titan_ht_config_read_dword(bus, devfn, offset, &dword);
-
- dword >>= ((offset & 3) << 3);
- dword &= (0xffffffffU >> ((4 - size) << 8));
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static inline int titan_ht_config_write_dword(struct pci_bus *bus,
- unsigned int devfn, int offset, u32 val)
-{
- volatile uint32_t address;
- int busno;
-
- busno = bus->number;
-
- address = (busno << 16) | (devfn << 8) | (offset & 0xfc) | 0x80000000;
- if (busno != 0)
- address |= 1;
-
- *(volatile int32_t *) 0xfb0000f0 |= 0x2;
-
- udelay(30);
-
- *(volatile int32_t *) 0xfb0006f8 = address;
- *(volatile int32_t *) 0xfb0006fc = val;
-
- udelay(30);
-
- *(volatile int32_t *) 0xfb0000f0 |= 0x2;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int titan_ht_config_write(struct pci_bus *bus, unsigned int devfn,
- int offset, int size, u32 val)
-{
- uint32_t val1, val2, mask;
-
- titan_ht_config_read_dword(bus, devfn, offset, &val2);
-
- val1 = val << ((offset & 3) << 3);
- mask = ~(0xffffffffU >> ((4 - size) << 8));
- val2 &= ~(mask << ((offset & 3) << 8));
-
- titan_ht_config_write_dword(bus, devfn, offset, val1 | val2);
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-struct pci_ops titan_ht_pci_ops = {
- .read = titan_ht_config_read,
- .write = titan_ht_config_write,
-};