diff options
Diffstat (limited to 'arch/mips/pci/ops-titan-ht.c')
| -rw-r--r-- | arch/mips/pci/ops-titan-ht.c | 124 | 
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 57d54adc9e2..00000000000 --- 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, -};  | 
