This patch has merged GT64111 PCI routines and GT64120 PCI_0 routines.
GT64111 PCI is almost the same as GT64120's PCI_0.
This patch don't change GT64120 PCI routines.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
select HW_HAS_PCI
select I8259
select IRQ_CPU
- select MIPS_GT64111
+ select PCI_GT64XXX_PCI0
select SYS_HAS_CPU_NEVADA
select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
depends on EXPERIMENTAL
select DMA_NONCOHERENT
select HW_HAS_PCI
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
select SYS_HAS_CPU_R5000
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select DMA_NONCOHERENT
select SYS_HAS_EARLY_PRINTK
select HW_HAS_PCI
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
select MIPS_NILE4
select R5000_CPU_SCACHE
select SYS_HAS_CPU_R5000
select HW_HAS_PCI
select MIPS_BOARDS_GEN
select MIPS_BONITO64
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
select MIPS_MSC
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
select MIPS_BOARDS_GEN
select MIPS_BONITO64
select MIPS_CPU_SCACHE
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
select MIPS_MSC
select SWAP_IO_SPACE
select SYS_HAS_CPU_MIPS32_R1
select BOOT_ELF32
select DMA_NONCOHERENT
select HW_HAS_PCI
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
select SWAP_IO_SPACE
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_CPU_MIPS32_R2
select HW_HAS_PCI
select IRQ_CPU
select IRQ_CPU_RM7K
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
select SYS_HAS_CPU_RM7000
config MIPS_BOARDS_GEN
bool
-config MIPS_GT64111
- bool
-
-config MIPS_GT64120
+config PCI_GT64XXX_PCI0
bool
config MIPS_TX3927
#include <asm/gt64120.h>
-extern struct pci_ops gt64111_pci_ops;
+extern struct pci_ops gt64xxx_pci0_ops;
static struct resource cobalt_mem_resource = {
.start = GT_DEF_PCI0_MEM0_BASE,
};
static struct pci_controller cobalt_pci_controller = {
- .pci_ops = >64111_pci_ops,
+ .pci_ops = >64xxx_pci0_ops,
.mem_resource = &cobalt_mem_resource,
.io_resource = &cobalt_io_resource,
.io_offset = 0 - GT_DEF_PCI0_IO_BASE,
#include <linux/kernel.h>
#include <asm/gt64120.h>
-extern struct pci_ops gt64120_pci_ops;
+extern struct pci_ops gt64xxx_pci0_ops;
static struct resource pci0_io_resource = {
.name = "pci_0 io",
};
static struct pci_controller hose_0 = {
- .pci_ops = >64120_pci_ops,
+ .pci_ops = >64xxx_pci0_ops,
.io_resource = &pci0_io_resource,
.mem_resource = &pci0_mem_resource,
};
};
extern struct pci_ops bonito64_pci_ops;
-extern struct pci_ops gt64120_pci_ops;
+extern struct pci_ops gt64xxx_pci0_ops;
extern struct pci_ops msc_pci_ops;
static struct pci_controller bonito64_controller = {
};
static struct pci_controller gt64120_controller = {
- .pci_ops = >64120_pci_ops,
+ .pci_ops = >64xxx_pci0_ops,
.io_resource = >64120_io_resource,
.mem_resource = >64120_mem_resource,
};
# PCI bus host bridge specific code
#
obj-$(CONFIG_MIPS_BONITO64) += ops-bonito64.o
-obj-$(CONFIG_MIPS_GT64111) += ops-gt64111.o
-obj-$(CONFIG_MIPS_GT64120) += ops-gt64120.o
+obj-$(CONFIG_PCI_GT64XXX_PCI0) += ops-gt64xxx_pci0.o
obj-$(CONFIG_PCI_MARVELL) += ops-marvell.o
obj-$(CONFIG_MIPS_MSC) += ops-msc.o
obj-$(CONFIG_MIPS_NILE4) += ops-nile4.o
+++ /dev/null
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1995, 1996, 1997, 2002 by Ralf Baechle
- * Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv)
- */
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include <asm/pci.h>
-#include <asm/io.h>
-#include <asm/gt64120.h>
-
-#include <asm/mach-cobalt/cobalt.h>
-
-/*
- * Device 31 on the GT64111 is used to generate PCI special
- * cycles, so we shouldn't expected to find a device there ...
- */
-static inline int pci_range_ck(struct pci_bus *bus, unsigned int devfn)
-{
- if (bus->number == 0 && PCI_SLOT(devfn) < 31)
- return 0;
-
- return -1;
-}
-
-static int gt64111_pci_read_config(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 * val)
-{
- if (pci_range_ck(bus, devfn))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- switch (size) {
- case 4:
- PCI_CFG_SET(devfn, where);
- *val = GT_READ(GT_PCI0_CFGDATA_OFS);
- return PCIBIOS_SUCCESSFUL;
-
- case 2:
- PCI_CFG_SET(devfn, (where & ~0x3));
- *val = GT_READ(GT_PCI0_CFGDATA_OFS)
- >> ((where & 3) * 8);
- return PCIBIOS_SUCCESSFUL;
-
- case 1:
- PCI_CFG_SET(devfn, (where & ~0x3));
- *val = GT_READ(GT_PCI0_CFGDATA_OFS)
- >> ((where & 3) * 8);
- return PCIBIOS_SUCCESSFUL;
- }
-
- return PCIBIOS_BAD_REGISTER_NUMBER;
-}
-
-static int gt64111_pci_write_config(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 val)
-{
- u32 tmp;
-
- if (pci_range_ck(bus, devfn))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- switch (size) {
- case 4:
- PCI_CFG_SET(devfn, where);
- GT_WRITE(GT_PCI0_CFGDATA_OFS, val);
-
- return PCIBIOS_SUCCESSFUL;
-
- case 2:
- PCI_CFG_SET(devfn, (where & ~0x3));
- tmp = GT_READ(GT_PCI0_CFGDATA_OFS);
- tmp &= ~(0xffff << ((where & 0x3) * 8));
- tmp |= (val << ((where & 0x3) * 8));
- GT_WRITE(GT_PCI0_CFGDATA_OFS, tmp);
-
- return PCIBIOS_SUCCESSFUL;
-
- case 1:
- PCI_CFG_SET(devfn, (where & ~0x3));
- tmp = GT_READ(GT_PCI0_CFGDATA_OFS);
- tmp &= ~(0xff << ((where & 0x3) * 8));
- tmp |= (val << ((where & 0x3) * 8));
- GT_WRITE(GT_PCI0_CFGDATA_OFS, tmp);
-
- return PCIBIOS_SUCCESSFUL;
- }
-
- return PCIBIOS_BAD_REGISTER_NUMBER;
-}
-
-struct pci_ops gt64111_pci_ops = {
- .read = gt64111_pci_read_config,
- .write = gt64111_pci_write_config,
-};
+++ /dev/null
-/*
- * Copyright (C) 1999, 2000, 2004 MIPS Technologies, Inc.
- * All rights reserved.
- * Authors: Carsten Langgaard <carstenl@mips.com>
- * Maciej W. Rozycki <macro@mips.com>
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * 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.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- */
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-
-#include <asm/gt64120.h>
-
-#define PCI_ACCESS_READ 0
-#define PCI_ACCESS_WRITE 1
-
-/*
- * PCI configuration cycle AD bus definition
- */
-/* Type 0 */
-#define PCI_CFG_TYPE0_REG_SHF 0
-#define PCI_CFG_TYPE0_FUNC_SHF 8
-
-/* Type 1 */
-#define PCI_CFG_TYPE1_REG_SHF 0
-#define PCI_CFG_TYPE1_FUNC_SHF 8
-#define PCI_CFG_TYPE1_DEV_SHF 11
-#define PCI_CFG_TYPE1_BUS_SHF 16
-
-static int gt64120_pcibios_config_access(unsigned char access_type,
- struct pci_bus *bus, unsigned int devfn, int where, u32 * data)
-{
- unsigned char busnum = bus->number;
- u32 intr;
-
- if ((busnum == 0) && (devfn >= PCI_DEVFN(31, 0)))
- return -1; /* Because of a bug in the galileo (for slot 31). */
-
- /* Clear cause register bits */
- GT_WRITE(GT_INTRCAUSE_OFS, ~(GT_INTRCAUSE_MASABORT0_BIT |
- GT_INTRCAUSE_TARABORT0_BIT));
-
- /* Setup address */
- GT_WRITE(GT_PCI0_CFGADDR_OFS,
- (busnum << GT_PCI0_CFGADDR_BUSNUM_SHF) |
- (devfn << GT_PCI0_CFGADDR_FUNCTNUM_SHF) |
- ((where / 4) << GT_PCI0_CFGADDR_REGNUM_SHF) |
- GT_PCI0_CFGADDR_CONFIGEN_BIT);
-
- if (access_type == PCI_ACCESS_WRITE) {
- if (busnum == 0 && PCI_SLOT(devfn) == 0) {
- /*
- * The Galileo system controller is acting
- * differently than other devices.
- */
- GT_WRITE(GT_PCI0_CFGDATA_OFS, *data);
- } else
- __GT_WRITE(GT_PCI0_CFGDATA_OFS, *data);
- } else {
- if (busnum == 0 && PCI_SLOT(devfn) == 0) {
- /*
- * The Galileo system controller is acting
- * differently than other devices.
- */
- *data = GT_READ(GT_PCI0_CFGDATA_OFS);
- } else
- *data = __GT_READ(GT_PCI0_CFGDATA_OFS);
- }
-
- /* Check for master or target abort */
- intr = GT_READ(GT_INTRCAUSE_OFS);
-
- if (intr & (GT_INTRCAUSE_MASABORT0_BIT | GT_INTRCAUSE_TARABORT0_BIT)) {
- /* Error occurred */
-
- /* Clear bits */
- GT_WRITE(GT_INTRCAUSE_OFS, ~(GT_INTRCAUSE_MASABORT0_BIT |
- GT_INTRCAUSE_TARABORT0_BIT));
-
- return -1;
- }
-
- return 0;
-}
-
-
-/*
- * We can't address 8 and 16 bit words directly. Instead we have to
- * read/write a 32bit word and mask/modify the data we actually want.
- */
-static int gt64120_pcibios_read(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 * val)
-{
- u32 data = 0;
-
- if (gt64120_pcibios_config_access(PCI_ACCESS_READ, bus, devfn, where,
- &data))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- if (size == 1)
- *val = (data >> ((where & 3) << 3)) & 0xff;
- else if (size == 2)
- *val = (data >> ((where & 3) << 3)) & 0xffff;
- else
- *val = data;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int gt64120_pcibios_write(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 val)
-{
- u32 data = 0;
-
- if (size == 4)
- data = val;
- else {
- if (gt64120_pcibios_config_access(PCI_ACCESS_READ, bus, devfn,
- where, &data))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- if (size == 1)
- data = (data & ~(0xff << ((where & 3) << 3))) |
- (val << ((where & 3) << 3));
- else if (size == 2)
- data = (data & ~(0xffff << ((where & 3) << 3))) |
- (val << ((where & 3) << 3));
- }
-
- if (gt64120_pcibios_config_access(PCI_ACCESS_WRITE, bus, devfn, where,
- &data))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-struct pci_ops gt64120_pci_ops = {
- .read = gt64120_pcibios_read,
- .write = gt64120_pcibios_write
-};
--- /dev/null
+/*
+ * Copyright (C) 1999, 2000, 2004 MIPS Technologies, Inc.
+ * All rights reserved.
+ * Authors: Carsten Langgaard <carstenl@mips.com>
+ * Maciej W. Rozycki <macro@mips.com>
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * 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.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+
+#include <asm/gt64120.h>
+
+#define PCI_ACCESS_READ 0
+#define PCI_ACCESS_WRITE 1
+
+/*
+ * PCI configuration cycle AD bus definition
+ */
+/* Type 0 */
+#define PCI_CFG_TYPE0_REG_SHF 0
+#define PCI_CFG_TYPE0_FUNC_SHF 8
+
+/* Type 1 */
+#define PCI_CFG_TYPE1_REG_SHF 0
+#define PCI_CFG_TYPE1_FUNC_SHF 8
+#define PCI_CFG_TYPE1_DEV_SHF 11
+#define PCI_CFG_TYPE1_BUS_SHF 16
+
+static int gt64xxx_pci0_pcibios_config_access(unsigned char access_type,
+ struct pci_bus *bus, unsigned int devfn, int where, u32 * data)
+{
+ unsigned char busnum = bus->number;
+ u32 intr;
+
+ if ((busnum == 0) && (devfn >= PCI_DEVFN(31, 0)))
+ return -1; /* Because of a bug in the galileo (for slot 31). */
+
+ /* Clear cause register bits */
+ GT_WRITE(GT_INTRCAUSE_OFS, ~(GT_INTRCAUSE_MASABORT0_BIT |
+ GT_INTRCAUSE_TARABORT0_BIT));
+
+ /* Setup address */
+ GT_WRITE(GT_PCI0_CFGADDR_OFS,
+ (busnum << GT_PCI0_CFGADDR_BUSNUM_SHF) |
+ (devfn << GT_PCI0_CFGADDR_FUNCTNUM_SHF) |
+ ((where / 4) << GT_PCI0_CFGADDR_REGNUM_SHF) |
+ GT_PCI0_CFGADDR_CONFIGEN_BIT);
+
+ if (access_type == PCI_ACCESS_WRITE) {
+ if (busnum == 0 && PCI_SLOT(devfn) == 0) {
+ /*
+ * The Galileo system controller is acting
+ * differently than other devices.
+ */
+ GT_WRITE(GT_PCI0_CFGDATA_OFS, *data);
+ } else
+ __GT_WRITE(GT_PCI0_CFGDATA_OFS, *data);
+ } else {
+ if (busnum == 0 && PCI_SLOT(devfn) == 0) {
+ /*
+ * The Galileo system controller is acting
+ * differently than other devices.
+ */
+ *data = GT_READ(GT_PCI0_CFGDATA_OFS);
+ } else
+ *data = __GT_READ(GT_PCI0_CFGDATA_OFS);
+ }
+
+ /* Check for master or target abort */
+ intr = GT_READ(GT_INTRCAUSE_OFS);
+
+ if (intr & (GT_INTRCAUSE_MASABORT0_BIT | GT_INTRCAUSE_TARABORT0_BIT)) {
+ /* Error occurred */
+
+ /* Clear bits */
+ GT_WRITE(GT_INTRCAUSE_OFS, ~(GT_INTRCAUSE_MASABORT0_BIT |
+ GT_INTRCAUSE_TARABORT0_BIT));
+
+ return -1;
+ }
+
+ return 0;
+}
+
+
+/*
+ * We can't address 8 and 16 bit words directly. Instead we have to
+ * read/write a 32bit word and mask/modify the data we actually want.
+ */
+static int gt64xxx_pci0_pcibios_read(struct pci_bus *bus, unsigned int devfn,
+ int where, int size, u32 * val)
+{
+ u32 data = 0;
+
+ if (gt64xxx_pci0_pcibios_config_access(PCI_ACCESS_READ, bus, devfn,
+ where, &data))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ if (size == 1)
+ *val = (data >> ((where & 3) << 3)) & 0xff;
+ else if (size == 2)
+ *val = (data >> ((where & 3) << 3)) & 0xffff;
+ else
+ *val = data;
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static int gt64xxx_pci0_pcibios_write(struct pci_bus *bus, unsigned int devfn,
+ int where, int size, u32 val)
+{
+ u32 data = 0;
+
+ if (size == 4)
+ data = val;
+ else {
+ if (gt64xxx_pci0_pcibios_config_access(PCI_ACCESS_READ, bus,
+ devfn, where, &data))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ if (size == 1)
+ data = (data & ~(0xff << ((where & 3) << 3))) |
+ (val << ((where & 3) << 3));
+ else if (size == 2)
+ data = (data & ~(0xffff << ((where & 3) << 3))) |
+ (val << ((where & 3) << 3));
+ }
+
+ if (gt64xxx_pci0_pcibios_config_access(PCI_ACCESS_WRITE, bus, devfn,
+ where, &data))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+struct pci_ops gt64xxx_pci0_ops = {
+ .read = gt64xxx_pci0_pcibios_read,
+ .write = gt64xxx_pci0_pcibios_write
+};
#include <asm/bootinfo.h>
extern struct pci_ops nile4_pci_ops;
-extern struct pci_ops gt64120_pci_ops;
+extern struct pci_ops gt64xxx_pci0_ops;
static struct resource lasat_pci_mem_resource = {
.name = "LASAT PCI MEM",
.start = 0x18000000,
switch (mips_machtype) {
case MACH_LASAT_100:
- lasat_pci_controller.pci_ops = >64120_pci_ops;
+ lasat_pci_controller.pci_ops = >64xxx_pci0_ops;
break;
case MACH_LASAT_200:
lasat_pci_controller.pci_ops = &nile4_pci_ops;
};
static struct pci_controller ocelot_pci_controller = {
- .pci_ops = gt64120_pci_ops;
+ .pci_ops = gt64xxx_pci0_ops;
.mem_resource = &ocelot_mem_resource;
.io_resource = &ocelot_io_resource;
};