powerpc: Use arch/powerpc/mm and arch/powerpc/lib for 64-bit
Paul Mackerras [Mon, 10 Oct 2005 12:25:26 +0000 (22:25 +1000)]
This also puts a copy of indirect_pci.c in arch/powerpc/sysdev
so that we don't need to build in arch/ppc/syslib.

Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/Makefile
arch/powerpc/sysdev/Makefile
arch/powerpc/sysdev/indirect_pci.c [new file with mode: 0644]
arch/ppc/syslib/Makefile

index 0648640..a4c605f 100644 (file)
@@ -124,15 +124,12 @@ head-$(CONFIG_6xx)                += arch/powerpc/kernel/idle_6xx.o
 head-$(CONFIG_PPC_FPU)         += arch/powerpc/kernel/fpu.o
 endif
 
-core-y                         += arch/powerpc/kernel/
-core-y                         += arch/$(OLDARCH)/kernel/
-core-$(CONFIG_PPC32)           += arch/powerpc/mm/
-core-$(CONFIG_PPC64)           += arch/$(OLDARCH)/mm/
-core-$(CONFIG_PPC32)           += arch/powerpc/lib/
-libs-$(CONFIG_PPC64)           += arch/$(OLDARCH)/lib/
-core-y                         += arch/powerpc/sysdev/
-core-y                         += arch/powerpc/platforms/
-core-$(CONFIG_PPC32)           += arch/ppc/syslib/
+core-y                         += arch/powerpc/kernel/ \
+                                  arch/$(OLDARCH)/kernel/ \
+                                  arch/powerpc/mm/ \
+                                  arch/powerpc/lib/ \
+                                  arch/powerpc/sysdev/ \
+                                  arch/powerpc/platforms/
 core-$(CONFIG_MATH_EMULATION)  += arch/ppc/math-emu/
 core-$(CONFIG_XMON)            += arch/powerpc/xmon/
 core-$(CONFIG_APUS)            += arch/ppc/amiga/
index 26bdcd9..c649f03 100644 (file)
@@ -1 +1,3 @@
-obj-$(CONFIG_MPIC)     += mpic.o
+obj-$(CONFIG_MPIC)             += mpic.o
+indirectpci-$(CONFIG_PPC_PMAC) = indirect_pci.o
+obj-$(CONFIG_PPC32)            += $(indirectpci-y)
diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c
new file mode 100644 (file)
index 0000000..e714884
--- /dev/null
@@ -0,0 +1,134 @@
+/*
+ * Support for indirect PCI bridges.
+ *
+ * Copyright (C) 1998 Gabriel Paubert.
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/init.h>
+
+#include <asm/io.h>
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+#include <asm/machdep.h>
+
+#ifdef CONFIG_PPC_INDIRECT_PCI_BE
+#define PCI_CFG_OUT out_be32
+#else
+#define PCI_CFG_OUT out_le32
+#endif
+
+static int
+indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
+                    int len, u32 *val)
+{
+       struct pci_controller *hose = bus->sysdata;
+       volatile void __iomem *cfg_data;
+       u8 cfg_type = 0;
+
+       if (ppc_md.pci_exclude_device)
+               if (ppc_md.pci_exclude_device(bus->number, devfn))
+                       return PCIBIOS_DEVICE_NOT_FOUND;
+       
+       if (hose->set_cfg_type)
+               if (bus->number != hose->first_busno)
+                       cfg_type = 1;
+
+       PCI_CFG_OUT(hose->cfg_addr,                                      
+                (0x80000000 | ((bus->number - hose->bus_offset) << 16)
+                 | (devfn << 8) | ((offset & 0xfc) | cfg_type)));
+
+       /*
+        * Note: the caller has already checked that offset is
+        * suitably aligned and that len is 1, 2 or 4.
+        */
+       cfg_data = hose->cfg_data + (offset & 3);
+       switch (len) {
+       case 1:
+               *val = in_8(cfg_data);
+               break;
+       case 2:
+               *val = in_le16(cfg_data);
+               break;
+       default:
+               *val = in_le32(cfg_data);
+               break;
+       }
+       return PCIBIOS_SUCCESSFUL;
+}
+
+static int
+indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
+                     int len, u32 val)
+{
+       struct pci_controller *hose = bus->sysdata;
+       volatile void __iomem *cfg_data;
+       u8 cfg_type = 0;
+
+       if (ppc_md.pci_exclude_device)
+               if (ppc_md.pci_exclude_device(bus->number, devfn))
+                       return PCIBIOS_DEVICE_NOT_FOUND;
+
+       if (hose->set_cfg_type)
+               if (bus->number != hose->first_busno)
+                       cfg_type = 1;
+
+       PCI_CFG_OUT(hose->cfg_addr,                                      
+                (0x80000000 | ((bus->number - hose->bus_offset) << 16)
+                 | (devfn << 8) | ((offset & 0xfc) | cfg_type)));
+
+       /*
+        * Note: the caller has already checked that offset is
+        * suitably aligned and that len is 1, 2 or 4.
+        */
+       cfg_data = hose->cfg_data + (offset & 3);
+       switch (len) {
+       case 1:
+               out_8(cfg_data, val);
+               break;
+       case 2:
+               out_le16(cfg_data, val);
+               break;
+       default:
+               out_le32(cfg_data, val);
+               break;
+       }
+       return PCIBIOS_SUCCESSFUL;
+}
+
+static struct pci_ops indirect_pci_ops =
+{
+       indirect_read_config,
+       indirect_write_config
+};
+
+void __init
+setup_indirect_pci_nomap(struct pci_controller* hose, void __iomem * cfg_addr,
+       void __iomem * cfg_data)
+{
+       hose->cfg_addr = cfg_addr;
+       hose->cfg_data = cfg_data;
+       hose->ops = &indirect_pci_ops;
+}
+
+void __init
+setup_indirect_pci(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data)
+{
+       unsigned long base = cfg_addr & PAGE_MASK;
+       void __iomem *mbase, *addr, *data;
+
+       mbase = ioremap(base, PAGE_SIZE);
+       addr = mbase + (cfg_addr & ~PAGE_MASK);
+       if ((cfg_data & PAGE_MASK) != base)
+               mbase = ioremap(cfg_data & PAGE_MASK, PAGE_SIZE);
+       data = mbase + (cfg_data & ~PAGE_MASK);
+       setup_indirect_pci_nomap(hose, addr, data);
+}
index 1b0a849..b8d08f3 100644 (file)
@@ -5,7 +5,6 @@
 CFLAGS_prom_init.o      += -fPIC
 CFLAGS_btext.o          += -fPIC
 
-ifneq ($(CONFIG_PPC_MERGE),y)
 wdt-mpc8xx-$(CONFIG_8xx_WDT)   += m8xx_wdt.o
 
 obj-$(CONFIG_PPCBUG_NVRAM)     += prep_nvram.o
@@ -110,16 +109,3 @@ obj-$(CONFIG_PPC_MPC52xx)  += mpc52xx_setup.o mpc52xx_pic.o \
 ifeq ($(CONFIG_PPC_MPC52xx),y)
 obj-$(CONFIG_PCI)              += mpc52xx_pci.o
 endif
-
-else
-# Stuff still needed by the merged powerpc sources
-
-obj-$(CONFIG_PPCBUG_NVRAM)     += prep_nvram.o
-obj-$(CONFIG_PPC_OF)           += prom_init.o prom.o of_device.o
-obj-$(CONFIG_PPC_PMAC)         += indirect_pci.o
-obj-$(CONFIG_PPC_CHRP)         += indirect_pci.o i8259.o
-obj-$(CONFIG_PPC_PREP)         += indirect_pci.o i8259.o todc_time.o
-obj-$(CONFIG_BOOTX_TEXT)       += btext.o
-obj-$(CONFIG_MPC10X_BRIDGE)    += mpc10x_common.o indirect_pci.o ppc_sys.o
-
-endif