[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>

9 files changed, 33 insertions, 137 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index c78b14380b3..2fd82e54818 100644
--- a/arch/mips/Kconfig
+++ b/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
diff --git a/arch/mips/cobalt/pci.c b/arch/mips/cobalt/pci.c
index d0160063954..d91027f43de 100644
--- a/arch/mips/cobalt/pci.c
+++ b/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,
diff --git a/arch/mips/gt64120/wrppmc/pci.c b/arch/mips/gt64120/wrppmc/pci.c
index 2fbe93467f7..0d5289bc180 100644
--- a/arch/mips/gt64120/wrppmc/pci.c
+++ b/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,
 };
diff --git a/arch/mips/mips-boards/generic/pci.c b/arch/mips/mips-boards/generic/pci.c
index 3192a14698c..f98d60f7865 100644
--- a/arch/mips/mips-boards/generic/pci.c
+++ b/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,
 };
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index bf85995ca04..df487c063b1 100644
--- a/arch/mips/pci/Makefile
+++ b/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
diff --git a/arch/mips/pci/ops-gt64111.c b/arch/mips/pci/ops-gt64111.c
deleted file mode 100644
index ecd3991bd0e..00000000000
--- a/arch/mips/pci/ops-gt64111.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * 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,
-};
diff --git a/arch/mips/pci/ops-gt64120.c b/arch/mips/pci/ops-gt64xxx_pci0.c
index 6335844d607..3d896c5f413 100644
--- a/arch/mips/pci/ops-gt64120.c
+++ b/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
 };
diff --git a/arch/mips/pci/pci-lasat.c b/arch/mips/pci/pci-lasat.c
index 88fb191ad2e..985784a3e6f 100644
--- a/arch/mips/pci/pci-lasat.c
+++ b/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;
diff --git a/arch/mips/pci/pci-ocelot.c b/arch/mips/pci/pci-ocelot.c
index 2b9495dce6b..7f94f26d35a 100644
--- a/arch/mips/pci/pci-ocelot.c
+++ b/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;
 };