[MIPS] merge GT64111 PCI routines and GT64120 PCI_0 routines

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>

arch/mips/Kconfig

@@ -165,7 +165,7 @@ config MIPS_COBALT
 	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
@@ -207,7 +207,7 @@ config MIPS_EV64120
 	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
@@ -245,7 +245,7 @@ config LASAT
 	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
@@ -263,7 +263,7 @@ config MIPS_ATLAS
 	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
@@ -296,7 +296,7 @@ config MIPS_MALTA
 	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
@@ -340,7 +340,7 @@ config WR_PPMC
 	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
@@ -398,7 +398,7 @@ config MOMENCO_OCELOT
 	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
@@ -999,10 +999,7 @@ config DDB5XXX_COMMON
 config MIPS_BOARDS_GEN
 	bool
 
-config MIPS_GT64111
-	bool
-
-config MIPS_GT64120
+config PCI_GT64XXX_PCI0
 	bool
 
 config MIPS_TX3927

arch/mips/cobalt/pci.c

@@ -14,7 +14,7 @@
 
 #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,
@@ -31,7 +31,7 @@ static struct resource cobalt_io_resource = {
 };
 
 static struct pci_controller cobalt_pci_controller = {
-	.pci_ops	= &gt64111_pci_ops,
+	.pci_ops	= &gt64xxx_pci0_ops,
 	.mem_resource	= &cobalt_mem_resource,
 	.io_resource	= &cobalt_io_resource,
 	.io_offset	= 0 - GT_DEF_PCI0_IO_BASE,

arch/mips/gt64120/wrppmc/pci.c

@@ -13,7 +13,7 @@
 #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",
@@ -30,7 +30,7 @@ static struct resource pci0_mem_resource = {
 };
 
 static struct pci_controller hose_0 = {
-	.pci_ops	= &gt64120_pci_ops,
+	.pci_ops	= &gt64xxx_pci0_ops,
 	.io_resource	= &pci0_io_resource,
 	.mem_resource	= &pci0_mem_resource,
 };

arch/mips/mips-boards/generic/pci.c

@@ -65,7 +65,7 @@ static struct resource msc_io_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 = {
@@ -76,7 +76,7 @@ static struct pci_controller bonito64_controller = {
 };
 
 static struct pci_controller gt64120_controller = {
-	.pci_ops	= &gt64120_pci_ops,
+	.pci_ops	= &gt64xxx_pci0_ops,
 	.io_resource	= &gt64120_io_resource,
 	.mem_resource	= &gt64120_mem_resource,
 };

arch/mips/pci/Makefile

@@ -8,8 +8,7 @@ obj-y				+= pci.o pci-dac.o
 # 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

arch/mips/pci/ops-gt64111.c

-/*
- * 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,
-};

arch/mips/pci/ops-gt64120.c → arch/mips/pci/ops-gt64xxx_pci0.c

@@ -39,8 +39,8 @@
 #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)
+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;
@@ -100,13 +100,13 @@ static int gt64120_pcibios_config_access(unsigned char access_type,
  * 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)
+static int gt64xxx_pci0_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))
+	if (gt64xxx_pci0_pcibios_config_access(PCI_ACCESS_READ, bus, devfn,
+	                                       where, &data))
 		return PCIBIOS_DEVICE_NOT_FOUND;
 
 	if (size == 1)
@@ -119,16 +119,16 @@ static int gt64120_pcibios_read(struct pci_bus *bus, unsigned int devfn,
 	return PCIBIOS_SUCCESSFUL;
 }
 
-static int gt64120_pcibios_write(struct pci_bus *bus, unsigned int devfn,
-			      int where, int size, u32 val)
+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 (gt64120_pcibios_config_access(PCI_ACCESS_READ, bus, devfn,
-		                                  where, &data))
+		if (gt64xxx_pci0_pcibios_config_access(PCI_ACCESS_READ, bus,
+		                                       devfn, where, &data))
 			return PCIBIOS_DEVICE_NOT_FOUND;
 
 		if (size == 1)
@@ -139,14 +139,14 @@ static int gt64120_pcibios_write(struct pci_bus *bus, unsigned int devfn,
 				(val << ((where & 3) << 3));
 	}
 
-	if (gt64120_pcibios_config_access(PCI_ACCESS_WRITE, bus, devfn, where,
-				       &data))
+	if (gt64xxx_pci0_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
+struct pci_ops gt64xxx_pci0_ops = {
+	.read	= gt64xxx_pci0_pcibios_read,
+	.write	= gt64xxx_pci0_pcibios_write
 };

arch/mips/pci/pci-lasat.c

@@ -12,7 +12,7 @@
 #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,
@@ -38,7 +38,7 @@ static int __init lasat_pci_setup(void)
 
 	switch (mips_machtype) {
 	case MACH_LASAT_100:
-                lasat_pci_controller.pci_ops = &gt64120_pci_ops;
+                lasat_pci_controller.pci_ops = &gt64xxx_pci0_ops;
                 break;
 	case MACH_LASAT_200:
                 lasat_pci_controller.pci_ops = &nile4_pci_ops;

arch/mips/pci/pci-ocelot.c

@@ -81,7 +81,7 @@ static struct resource ocelot_io_resource = {
 };
 
 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;
 };