powerpc: Use arch/powerpc/mm and arch/powerpc/lib for 64-bit

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

@@ -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/

arch/powerpc/sysdev/Makefile

@@ -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)

arch/powerpc/sysdev/indirect_pci.c

@@ -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);
+}

arch/ppc/syslib/Makefile

@@ -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