Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (408 commits) [POWERPC] Add memchr() to the bootwrapper [POWERPC] Implement logging of unhandled signals [POWERPC] Add legacy serial support for OPB with flattened device tree [POWERPC] Use 1TB segments [POWERPC] XilinxFB: Allow fixed framebuffer base address [POWERPC] XilinxFB: Add support for custom screen resolution [POWERPC] XilinxFB: Use pdata to pass around framebuffer parameters [POWERPC] PCI: Add 64-bit physical address support to setup_indirect_pci [POWERPC] 4xx: Kilauea defconfig file [POWERPC] 4xx: Kilauea DTS [POWERPC] 4xx: Add AMCC Kilauea eval board support to platforms/40x [POWERPC] 4xx: Add AMCC 405EX support to cputable.c [POWERPC] Adjust TASK_SIZE on ppc32 systems to 3GB that are capable [POWERPC] Use PAGE_OFFSET to tell if an address is user/kernel in SW TLB handlers [POWERPC] 85xx: Enable FP emulation in MPC8560 ADS defconfig [POWERPC] 85xx: Killed <asm/mpc85xx.h> [POWERPC] 85xx: Add cpm nodes for 8541/8555 CDS [POWERPC] 85xx: Convert mpc8560ads to the new CPM binding. [POWERPC] mpc8272ads: Remove muram from the CPM reg property. [POWERPC] Make clockevents work on PPC601 processors ... Fixed up conflict in Documentation/powerpc/booting-without-of.txt manually.
2026-05-01 15:00:59 -07:00 · 2007-10-11 21:55:47 -07:00
parent 5473074209 9b4b8feb96
commit e86908614f
529 changed files with 31146 additions and 13497 deletions
@@ -14,6 +14,11 @@ config 64BIT
 	bool
 	default y if PPC64

+config WORD_SIZE
+	int
+	default 64 if PPC64
+	default 32 if !PPC64
+
 config PPC_MERGE
 	def_bool y

@@ -21,6 +26,18 @@ config MMU
 	bool
 	default y

+config GENERIC_CMOS_UPDATE
+	def_bool y
+
+config GENERIC_TIME
+	def_bool y
+
+config GENERIC_TIME_VSYSCALL
+	def_bool y
+
+config GENERIC_CLOCKEVENTS
+	def_bool y
+
 config GENERIC_HARDIRQS
 	bool
 	default y
@@ -156,6 +173,7 @@ config HIGHMEM
 	bool "High memory support"
 	depends on PPC32

+source kernel/time/Kconfig
 source kernel/Kconfig.hz
 source kernel/Kconfig.preempt
 source "fs/Kconfig.binfmt"
@@ -180,17 +198,29 @@ config MATH_EMULATION
 	  unit, which will allow programs that use floating-point
 	  instructions to run.

+config 8XX_MINIMAL_FPEMU
+	bool "Minimal math emulation for 8xx"
+	depends on 8xx && !MATH_EMULATION
+	help
+	  Older arch/ppc kernels still emulated a few floating point
+	  instructions such as load and store, even when full math
+	  emulation is disabled.  Say "Y" here if you want to preserve
+	  this behavior.
+
+	  It is recommended that you build a soft-float userspace instead.
+
 config IOMMU_VMERGE
-	bool "Enable IOMMU virtual merging (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && PPC64
-	default n
+	bool "Enable IOMMU virtual merging"
+	depends on PPC64
+	default y
 	help
 	  Cause IO segments sent to a device for DMA to be merged virtually
 	  by the IOMMU when they happen to have been allocated contiguously.
 	  This doesn't add pressure to the IOMMU allocator. However, some
 	  drivers don't support getting large merged segments coming back
-	  from *_map_sg(). Say Y if you know the drivers you are using are
-	  properly handling this case.
+	  from *_map_sg().
+
+	  Most drivers don't have this problem; it is safe to say Y here.

 config HOTPLUG_CPU
 	bool "Support for enabling/disabling CPUs"
@@ -465,7 +495,7 @@ config PCI_8260

 config 8260_PCI9
 	bool "Enable workaround for MPC826x erratum PCI 9"
-	depends on PCI_8260 && !ADS8272
+	depends on PCI_8260 && !8272
 	default y

 choice
@@ -569,7 +599,8 @@ config TASK_SIZE_BOOL

 config TASK_SIZE
 	hex "Size of user task space" if TASK_SIZE_BOOL
-	default "0x80000000"
+	default "0x80000000" if PPC_PREP || PPC_8xx
+	default "0xc0000000"

 config CONSISTENT_START_BOOL
 	bool "Set custom consistent memory pool address"
@@ -581,6 +612,7 @@ config CONSISTENT_START_BOOL

 config CONSISTENT_START
 	hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
+	default "0xfd000000" if (NOT_COHERENT_CACHE && 8xx)
 	default "0xff100000" if NOT_COHERENT_CACHE

 config CONSISTENT_SIZE_BOOL
@@ -662,3 +694,7 @@ config KEYS_COMPAT
 	default y

 source "crypto/Kconfig"
+
+config PPC_CLOCK
+	bool
+	default n
@@ -124,6 +124,16 @@ config IRQSTACKS
 	  for handling hard and soft interrupts.  This can help avoid
 	  overflowing the process kernel stacks.

+config VIRQ_DEBUG
+	bool "Expose hardware/virtual IRQ mapping via debugfs"
+	depends on DEBUG_FS && PPC_MERGE
+	help
+	  This option will show the mapping relationship between hardware irq
+	  numbers and virtual irq numbers. The mapping is exposed via debugfs
+	  in the file powerpc/virq_mapping.
+
+	  If you don't know what this means you don't need it.
+
 config BDI_SWITCH
 	bool "Include BDI-2000 user context switcher"
 	depends on DEBUG_KERNEL && PPC32
@@ -211,6 +221,15 @@ config PPC_EARLY_DEBUG_44x
 	  Select this to enable early debugging for IBM 44x chips via the
 	  inbuilt serial port.

+config PPC_EARLY_DEBUG_CPM
+	bool "Early serial debugging for Freescale CPM-based serial ports"
+	depends on SERIAL_CPM
+	select PIN_TLB if PPC_8xx
+	help
+	  Select this to enable early debugging for Freescale chips
+	  using a CPM-based serial port.  This assumes that the bootwrapper
+	  has run, and set up the CPM in a particular way.
+
 endchoice

 config PPC_EARLY_DEBUG_44x_PHYSLOW
@@ -223,4 +242,16 @@ config PPC_EARLY_DEBUG_44x_PHYSHIGH
 	depends PPC_EARLY_DEBUG_44x
 	default "0x1"

+config PPC_EARLY_DEBUG_CPM_ADDR
+	hex "CPM UART early debug transmit descriptor address"
+	depends on PPC_EARLY_DEBUG_CPM
+	default "0xfa202008" if PPC_EP88XC
+	default "0xf0000008" if CPM2
+	default "0xff002008" if CPM1
+	help
+	  This specifies the address of the transmit descriptor
+	  used for early debug output.  Because it is needed before
+	  platform probing is done, all platforms selected must
+	  share the same address.
+
 endmenu
@@ -35,11 +35,14 @@ endif

 export CROSS32CC CROSS32AS CROSS32LD CROSS32AR CROSS32OBJCOPY

+ifeq ($(CROSS_COMPILE),)
 KBUILD_DEFCONFIG := $(shell uname -m)_defconfig
+else
+KBUILD_DEFCONFIG := ppc64_defconfig
+endif

 ifeq ($(CONFIG_PPC64),y)
 OLDARCH	:= ppc64
-SZ	:= 64

 new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi)

@@ -49,22 +52,26 @@ endif

 else
 OLDARCH	:= ppc
-SZ	:= 32
+endif
+
+# It seems there are times we use this Makefile without
+# including the config file, but this replicates the old behaviour
+ifeq ($(CONFIG_WORD_SIZE),)
+CONFIG_WORD_SIZE := 32
 endif

 UTS_MACHINE := $(OLDARCH)

 ifeq ($(HAS_BIARCH),y)
-override AS	+= -a$(SZ)
-override LD	+= -m elf$(SZ)ppc
-override CC	+= -m$(SZ)
-override AR	:= GNUTARGET=elf$(SZ)-powerpc $(AR)
+override AS	+= -a$(CONFIG_WORD_SIZE)
+override LD	+= -m elf$(CONFIG_WORD_SIZE)ppc
+override CC	+= -m$(CONFIG_WORD_SIZE)
+override AR	:= GNUTARGET=elf$(CONFIG_WORD_SIZE)-powerpc $(AR)
 endif

 LDFLAGS_vmlinux	:= -Bstatic

-# The -Iarch/$(ARCH)/include is temporary while we are merging
-CPPFLAGS-$(CONFIG_PPC32) := -Iarch/$(ARCH) -Iarch/$(ARCH)/include
+CPPFLAGS-$(CONFIG_PPC32) := -Iarch/$(ARCH)
 AFLAGS-$(CONFIG_PPC32)	:= -Iarch/$(ARCH)
 CFLAGS-$(CONFIG_PPC64)	:= -mminimal-toc -mtraceback=none  -mcall-aixdesc
 CFLAGS-$(CONFIG_PPC32)	:= -Iarch/$(ARCH) -ffixed-r2 -mmultiple
@@ -72,11 +79,8 @@ CPPFLAGS	+= $(CPPFLAGS-y)
 AFLAGS		+= $(AFLAGS-y)
 CFLAGS		+= -msoft-float -pipe $(CFLAGS-y)
 CPP		= $(CC) -E $(CFLAGS)
-# Temporary hack until we have migrated to asm-powerpc
-LINUXINCLUDE-$(CONFIG_PPC32)	:= -Iarch/$(ARCH)/include
-LINUXINCLUDE    += $(LINUXINCLUDE-y)

-CHECKFLAGS	+= -m$(SZ) -D__powerpc__ -D__powerpc$(SZ)__
+CHECKFLAGS	+= -m$(CONFIG_WORD_SIZE) -D__powerpc__ -D__powerpc$(CONFIG_WORD_SIZE)__

 ifeq ($(CONFIG_PPC64),y)
 GCC_BROKEN_VEC	:= $(shell if [ $(call cc-version) -lt 0400 ] ; then echo "y"; fi)
@@ -96,6 +100,10 @@ else
 endif
 endif

+ifeq ($(CONFIG_TUNE_CELL),y)
+	CFLAGS += $(call cc-option,-mtune=cell)
+endif
+
 # No AltiVec instruction when building kernel
 CFLAGS += $(call cc-option,-mno-altivec)

@@ -120,10 +128,9 @@ cpu-as-$(CONFIG_E200)		+= -Wa,-me200
 AFLAGS += $(cpu-as-y)
 CFLAGS += $(cpu-as-y)

-head-y				:= arch/powerpc/kernel/head_32.o
-head-$(CONFIG_PPC64)		:= arch/powerpc/kernel/head_64.o
+head-y				:= arch/powerpc/kernel/head_$(CONFIG_WORD_SIZE).o
 head-$(CONFIG_8xx)		:= arch/powerpc/kernel/head_8xx.o
-head-$(CONFIG_4xx)		:= arch/powerpc/kernel/head_4xx.o
+head-$(CONFIG_40x)		:= arch/powerpc/kernel/head_40x.o
 head-$(CONFIG_44x)		:= arch/powerpc/kernel/head_44x.o
 head-$(CONFIG_FSL_BOOKE)	:= arch/powerpc/kernel/head_fsl_booke.o

@@ -166,25 +173,20 @@ define archhelp
  @echo '  *_defconfig     - Select default config from arch/$(ARCH)/configs'
 endef

-install:
+install: vdso_install
 	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install

+vdso_install:
+ifeq ($(CONFIG_PPC64),y)
+	$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
+endif
+	$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
+
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)

-archmrproper:
-	$(Q)rm -rf arch/$(ARCH)/include
-
 archprepare: checkbin

-ifeq ($(CONFIG_PPC32),y)
-# Temporary hack until we have migrated to asm-powerpc
-include/asm: arch/$(ARCH)/include/asm
-arch/$(ARCH)/include/asm: FORCE
-	$(Q)if [ ! -d arch/$(ARCH)/include ]; then mkdir -p arch/$(ARCH)/include; fi
-	$(Q)ln -fsn $(srctree)/include/asm-$(OLDARCH) arch/$(ARCH)/include/asm
-endif
-
 # Use the file '.tmp_gas_check' for binutils tests, as gas won't output
 # to stdout and these checks are run even on install targets.
 TOUT	:= .tmp_gas_check
@@ -18,14 +18,15 @@ kernel-vmlinux.strip.c
 kernel-vmlinux.strip.gz
 mktree
 uImage
-cuImage
-cuImage.bin.gz
-cuImage.elf
+cuImage.*
+treeImage.*
 zImage
+zImage.bin.*
 zImage.chrp
 zImage.coff
 zImage.coff.lds
-zImage.lds
+zImage.ep*
+zImage.*lds
 zImage.miboot
 zImage.pmac
 zImage.pseries
@@ -1,85 +0,0 @@
-/*
- * Copyright 2007 David Gibson, IBM Corporation.
- *
- * Based on earlier code:
- *   Matt Porter <mporter@kernel.crashing.org>
- *   Copyright 2002-2005 MontaVista Software Inc.
- *
- *   Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *   Copyright (c) 2003, 2004 Zultys Technologies
- *
- * 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 <stddef.h>
-#include "types.h"
-#include "string.h"
-#include "stdio.h"
-#include "ops.h"
-#include "reg.h"
-#include "dcr.h"
-
-/* Read the 44x memory controller to get size of system memory. */
-void ibm44x_fixup_memsize(void)
-{
-	int i;
-	unsigned long memsize, bank_config;
-
-	memsize = 0;
-	for (i = 0; i < ARRAY_SIZE(sdram_bxcr); i++) {
-		mtdcr(DCRN_SDRAM0_CFGADDR, sdram_bxcr[i]);
-		bank_config = mfdcr(DCRN_SDRAM0_CFGDATA);
-
-		if (bank_config & SDRAM_CONFIG_BANK_ENABLE)
-			memsize += SDRAM_CONFIG_BANK_SIZE(bank_config);
-	}
-
-	dt_fixup_memory(0, memsize);
-}
-
-#define SPRN_DBCR0		0x134
-#define   DBCR0_RST_SYSTEM	0x30000000
-
-void ibm44x_dbcr_reset(void)
-{
-	unsigned long tmp;
-
-	asm volatile (
-		"mfspr	%0,%1\n"
-		"oris	%0,%0,%2@h\n"
-		"mtspr	%1,%0"
-		: "=&r"(tmp) : "i"(SPRN_DBCR0), "i"(DBCR0_RST_SYSTEM)
-		);
-
-}
-
-/* Read 4xx EBC bus bridge registers to get mappings of the peripheral
- * banks into the OPB address space */
-void ibm4xx_fixup_ebc_ranges(const char *ebc)
-{
-	void *devp;
-	u32 bxcr;
-	u32 ranges[EBC_NUM_BANKS*4];
-	u32 *p = ranges;
-	int i;
-
-	for (i = 0; i < EBC_NUM_BANKS; i++) {
-		mtdcr(DCRN_EBC0_CFGADDR, EBC_BXCR(i));
-		bxcr = mfdcr(DCRN_EBC0_CFGDATA);
-
-		if ((bxcr & EBC_BXCR_BU) != EBC_BXCR_BU_OFF) {
-			*p++ = i;
-			*p++ = 0;
-			*p++ = bxcr & EBC_BXCR_BAS;
-			*p++ = EBC_BXCR_BANK_SIZE(bxcr);
-		}
-	}
-
-	devp = finddevice(ebc);
-	if (! devp)
-		fatal("Couldn't locate EBC node %s\n\r", ebc);
-
-	setprop(devp, "ranges", ranges, (p - ranges) * sizeof(u32));
-}
@@ -10,10 +10,7 @@
 #ifndef _PPC_BOOT_44X_H_
 #define _PPC_BOOT_44X_H_

-void ibm44x_fixup_memsize(void);
-void ibm4xx_fixup_ebc_ranges(const char *ebc);
-
-void ibm44x_dbcr_reset(void);
 void ebony_init(void *mac0, void *mac1);
+void bamboo_init(void *mac0, void *mac1);

 #endif /* _PPC_BOOT_44X_H_ */
@@ -0,0 +1,300 @@
+/*
+ * Copyright 2007 David Gibson, IBM Corporation.
+ *
+ * Based on earlier code:
+ *   Matt Porter <mporter@kernel.crashing.org>
+ *   Copyright 2002-2005 MontaVista Software Inc.
+ *
+ *   Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
+ *   Copyright (c) 2003, 2004 Zultys Technologies
+ *
+ * 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 <stddef.h>
+#include "types.h"
+#include "string.h"
+#include "stdio.h"
+#include "ops.h"
+#include "reg.h"
+#include "dcr.h"
+
+/* Read the 4xx SDRAM controller to get size of system memory. */
+void ibm4xx_fixup_memsize(void)
+{
+	int i;
+	unsigned long memsize, bank_config;
+
+	memsize = 0;
+	for (i = 0; i < ARRAY_SIZE(sdram_bxcr); i++) {
+		mtdcr(DCRN_SDRAM0_CFGADDR, sdram_bxcr[i]);
+		bank_config = mfdcr(DCRN_SDRAM0_CFGDATA);
+
+		if (bank_config & SDRAM_CONFIG_BANK_ENABLE)
+			memsize += SDRAM_CONFIG_BANK_SIZE(bank_config);
+	}
+
+	dt_fixup_memory(0, memsize);
+}
+
+/* 4xx DDR1/2 Denali memory controller support */
+/* DDR0 registers */
+#define DDR0_02			2
+#define DDR0_08			8
+#define DDR0_10			10
+#define DDR0_14			14
+#define DDR0_42			42
+#define DDR0_43			43
+
+/* DDR0_02 */
+#define DDR_START		0x1
+#define DDR_START_SHIFT		0
+#define DDR_MAX_CS_REG		0x3
+#define DDR_MAX_CS_REG_SHIFT	24
+#define DDR_MAX_COL_REG		0xf
+#define DDR_MAX_COL_REG_SHIFT	16
+#define DDR_MAX_ROW_REG		0xf
+#define DDR_MAX_ROW_REG_SHIFT	8
+/* DDR0_08 */
+#define DDR_DDR2_MODE		0x1
+#define DDR_DDR2_MODE_SHIFT	0
+/* DDR0_10 */
+#define DDR_CS_MAP		0x3
+#define DDR_CS_MAP_SHIFT	8
+/* DDR0_14 */
+#define DDR_REDUC		0x1
+#define DDR_REDUC_SHIFT		16
+/* DDR0_42 */
+#define DDR_APIN		0x7
+#define DDR_APIN_SHIFT		24
+/* DDR0_43 */
+#define DDR_COL_SZ		0x7
+#define DDR_COL_SZ_SHIFT	8
+#define DDR_BANK8		0x1
+#define DDR_BANK8_SHIFT		0
+
+#define DDR_GET_VAL(val, mask, shift)	(((val) >> (shift)) & (mask))
+
+static inline u32 mfdcr_sdram0(u32 reg)
+{
+        mtdcr(DCRN_SDRAM0_CFGADDR, reg);
+        return mfdcr(DCRN_SDRAM0_CFGDATA);
+}
+
+void ibm4xx_denali_fixup_memsize(void)
+{
+	u32 val, max_cs, max_col, max_row;
+	u32 cs, col, row, bank, dpath;
+	unsigned long memsize;
+
+	val = mfdcr_sdram0(DDR0_02);
+	if (!DDR_GET_VAL(val, DDR_START, DDR_START_SHIFT))
+		fatal("DDR controller is not initialized\n");
+
+	/* get maximum cs col and row values */
+	max_cs  = DDR_GET_VAL(val, DDR_MAX_CS_REG, DDR_MAX_CS_REG_SHIFT);
+	max_col = DDR_GET_VAL(val, DDR_MAX_COL_REG, DDR_MAX_COL_REG_SHIFT);
+	max_row = DDR_GET_VAL(val, DDR_MAX_ROW_REG, DDR_MAX_ROW_REG_SHIFT);
+
+	/* get CS value */
+	val = mfdcr_sdram0(DDR0_10);
+
+	val = DDR_GET_VAL(val, DDR_CS_MAP, DDR_CS_MAP_SHIFT);
+	cs = 0;
+	while (val) {
+		if (val && 0x1)
+			cs++;
+		val = val >> 1;
+	}
+
+	if (!cs)
+		fatal("No memory installed\n");
+	if (cs > max_cs)
+		fatal("DDR wrong CS configuration\n");
+
+	/* get data path bytes */
+	val = mfdcr_sdram0(DDR0_14);
+
+	if (DDR_GET_VAL(val, DDR_REDUC, DDR_REDUC_SHIFT))
+		dpath = 8; /* 64 bits */
+	else
+		dpath = 4; /* 32 bits */
+
+	/* get adress pins (rows) */
+	val = mfdcr_sdram0(DDR0_42);
+
+	row = DDR_GET_VAL(val, DDR_APIN, DDR_APIN_SHIFT);
+	if (row > max_row)
+		fatal("DDR wrong APIN configuration\n");
+	row = max_row - row;
+
+	/* get collomn size and banks */
+	val = mfdcr_sdram0(DDR0_43);
+
+	col = DDR_GET_VAL(val, DDR_COL_SZ, DDR_COL_SZ_SHIFT);
+	if (col > max_col)
+		fatal("DDR wrong COL configuration\n");
+	col = max_col - col;
+
+	if (DDR_GET_VAL(val, DDR_BANK8, DDR_BANK8_SHIFT))
+		bank = 8; /* 8 banks */
+	else
+		bank = 4; /* 4 banks */
+
+	memsize = cs * (1 << (col+row)) * bank * dpath;
+	dt_fixup_memory(0, memsize);
+}
+
+#define SPRN_DBCR0_40X 0x3F2
+#define SPRN_DBCR0_44X 0x134
+#define DBCR0_RST_SYSTEM 0x30000000
+
+void ibm44x_dbcr_reset(void)
+{
+	unsigned long tmp;
+
+	asm volatile (
+		"mfspr	%0,%1\n"
+		"oris	%0,%0,%2@h\n"
+		"mtspr	%1,%0"
+		: "=&r"(tmp) : "i"(SPRN_DBCR0_44X), "i"(DBCR0_RST_SYSTEM)
+		);
+
+}
+
+void ibm40x_dbcr_reset(void)
+{
+	unsigned long tmp;
+
+	asm volatile (
+		"mfspr	%0,%1\n"
+		"oris	%0,%0,%2@h\n"
+		"mtspr	%1,%0"
+		: "=&r"(tmp) : "i"(SPRN_DBCR0_40X), "i"(DBCR0_RST_SYSTEM)
+		);
+}
+
+#define EMAC_RESET 0x20000000
+void ibm4xx_quiesce_eth(u32 *emac0, u32 *emac1)
+{
+	/* Quiesce the MAL and EMAC(s) since PIBS/OpenBIOS don't do this for us */
+	if (emac0)
+		*emac0 = EMAC_RESET;
+	if (emac1)
+		*emac1 = EMAC_RESET;
+
+	mtdcr(DCRN_MAL0_CFG, MAL_RESET);
+}
+
+/* Read 4xx EBC bus bridge registers to get mappings of the peripheral
+ * banks into the OPB address space */
+void ibm4xx_fixup_ebc_ranges(const char *ebc)
+{
+	void *devp;
+	u32 bxcr;
+	u32 ranges[EBC_NUM_BANKS*4];
+	u32 *p = ranges;
+	int i;
+
+	for (i = 0; i < EBC_NUM_BANKS; i++) {
+		mtdcr(DCRN_EBC0_CFGADDR, EBC_BXCR(i));
+		bxcr = mfdcr(DCRN_EBC0_CFGDATA);
+
+		if ((bxcr & EBC_BXCR_BU) != EBC_BXCR_BU_OFF) {
+			*p++ = i;
+			*p++ = 0;
+			*p++ = bxcr & EBC_BXCR_BAS;
+			*p++ = EBC_BXCR_BANK_SIZE(bxcr);
+		}
+	}
+
+	devp = finddevice(ebc);
+	if (! devp)
+		fatal("Couldn't locate EBC node %s\n\r", ebc);
+
+	setprop(devp, "ranges", ranges, (p - ranges) * sizeof(u32));
+}
+
+#define SPRN_CCR1 0x378
+void ibm440ep_fixup_clocks(unsigned int sysclk, unsigned int ser_clk)
+{
+	u32 cpu, plb, opb, ebc, tb, uart0, m, vco;
+	u32 reg;
+	u32 fwdva, fwdvb, fbdv, lfbdv, opbdv0, perdv0, spcid0, prbdv0, tmp;
+
+	mtdcr(DCRN_CPR0_ADDR, CPR0_PLLD0);
+	reg = mfdcr(DCRN_CPR0_DATA);
+	tmp = (reg & 0x000F0000) >> 16;
+	fwdva = tmp ? tmp : 16;
+	tmp = (reg & 0x00000700) >> 8;
+	fwdvb = tmp ? tmp : 8;
+	tmp = (reg & 0x1F000000) >> 24;
+	fbdv = tmp ? tmp : 32;
+	lfbdv = (reg & 0x0000007F);
+
+	mtdcr(DCRN_CPR0_ADDR, CPR0_OPBD0);
+	reg = mfdcr(DCRN_CPR0_DATA);
+	tmp = (reg & 0x03000000) >> 24;
+	opbdv0 = tmp ? tmp : 4;
+
+	mtdcr(DCRN_CPR0_ADDR, CPR0_PERD0);
+	reg = mfdcr(DCRN_CPR0_DATA);
+	tmp = (reg & 0x07000000) >> 24;
+	perdv0 = tmp ? tmp : 8;
+
+	mtdcr(DCRN_CPR0_ADDR, CPR0_PRIMBD0);
+	reg = mfdcr(DCRN_CPR0_DATA);
+	tmp = (reg & 0x07000000) >> 24;
+	prbdv0 = tmp ? tmp : 8;
+
+	mtdcr(DCRN_CPR0_ADDR, CPR0_SCPID);
+	reg = mfdcr(DCRN_CPR0_DATA);
+	tmp = (reg & 0x03000000) >> 24;
+	spcid0 = tmp ? tmp : 4;
+
+	/* Calculate M */
+	mtdcr(DCRN_CPR0_ADDR, CPR0_PLLC0);
+	reg = mfdcr(DCRN_CPR0_DATA);
+	tmp = (reg & 0x03000000) >> 24;
+	if (tmp == 0) { /* PLL output */
+		tmp = (reg & 0x20000000) >> 29;
+		if (!tmp) /* PLLOUTA */
+			m = fbdv * lfbdv * fwdva;
+		else
+			m = fbdv * lfbdv * fwdvb;
+	}
+	else if (tmp == 1) /* CPU output */
+		m = fbdv * fwdva;
+	else
+		m = perdv0 * opbdv0 * fwdvb;
+
+	vco = (m * sysclk) + (m >> 1);
+	cpu = vco / fwdva;
+	plb = vco / fwdvb / prbdv0;
+	opb = plb / opbdv0;
+	ebc = plb / perdv0;
+
+	/* FIXME */
+	uart0 = ser_clk;
+
+	/* Figure out timebase.  Either CPU or default TmrClk */
+	asm volatile (
+			"mfspr	%0,%1\n"
+			:
+			"=&r"(reg) : "i"(SPRN_CCR1));
+	if (reg & 0x0080)
+		tb = 25000000; /* TmrClk is 25MHz */
+	else
+		tb = cpu;
+
+	dt_fixup_cpu_clocks(cpu, tb, 0);
+	dt_fixup_clock("/plb", plb);
+	dt_fixup_clock("/plb/opb", opb);
+	dt_fixup_clock("/plb/opb/ebc", ebc);
+	dt_fixup_clock("/plb/opb/serial@ef600300", uart0);
+	dt_fixup_clock("/plb/opb/serial@ef600400", uart0);
+	dt_fixup_clock("/plb/opb/serial@ef600500", uart0);
+	dt_fixup_clock("/plb/opb/serial@ef600600", uart0);
+}
@@ -0,0 +1,22 @@
+/*
+ * PowerPC 4xx related functions
+ *
+ * Copyright 2007 IBM Corporation.
+ * Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#ifndef _POWERPC_BOOT_4XX_H_
+#define _POWERPC_BOOT_4XX_H_
+
+void ibm4xx_fixup_memsize(void);
+void ibm4xx_denali_fixup_memsize(void);
+void ibm44x_dbcr_reset(void);
+void ibm40x_dbcr_reset(void);
+void ibm4xx_quiesce_eth(u32 *emac0, u32 *emac1);
+void ibm4xx_fixup_ebc_ranges(const char *ebc);
+void ibm440ep_fixup_clocks(unsigned int sysclk, unsigned int ser_clk);
+
+#endif /* _POWERPC_BOOT_4XX_H_ */
@@ -25,14 +25,19 @@ BOOTCFLAGS    := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
 		 -isystem $(shell $(CROSS32CC) -print-file-name=include)
 BOOTAFLAGS	:= -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc

+ifdef CONFIG_DEBUG_INFO
+BOOTCFLAGS	+= -g
+endif
+
 ifeq ($(call cc-option-yn, -fstack-protector),y)
 BOOTCFLAGS	+= -fno-stack-protector
 endif

 BOOTCFLAGS	+= -I$(obj) -I$(srctree)/$(obj)

-$(obj)/44x.o: BOOTCFLAGS += -mcpu=440
+$(obj)/4xx.o: BOOTCFLAGS += -mcpu=440
 $(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
+$(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405

 zlib       := inffast.c inflate.c inftrees.c
 zlibheader := inffast.h inffixed.h inflate.h inftrees.h infutil.h
@@ -44,10 +49,14 @@ $(addprefix $(obj)/,$(zlib) gunzip_util.o main.o): \
 src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \
 		ns16550.c serial.c simple_alloc.c div64.S util.S \
 		gunzip_util.c elf_util.c $(zlib) devtree.c oflib.c ofconsole.c \
-		44x.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c
-src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \
+		4xx.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c bamboo.c \
+		cpm-serial.c stdlib.c mpc52xx-psc.c planetcore.c uartlite.c \
+		fsl-soc.c mpc8xx.c pq2.c
+src-plat := of.c cuboot-52xx.c cuboot-83xx.c cuboot-85xx.c holly.c \
 		cuboot-ebony.c treeboot-ebony.c prpmc2800.c \
-		ps3-head.S ps3-hvcall.S ps3.c
+		ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \
+		cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \
+		fixed-head.S ep88xc.c cuboot-hpc2.c
 src-boot := $(src-wlib) $(src-plat) empty.c

 src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -139,9 +148,17 @@ image-$(CONFIG_PPC_ISERIES)		+= zImage.iseries
 image-$(CONFIG_DEFAULT_UIMAGE)		+= uImage

 ifneq ($(CONFIG_DEVICE_TREE),"")
+image-$(CONFIG_PPC_8xx)			+= cuImage.8xx
+image-$(CONFIG_PPC_EP88XC)		+= zImage.ep88xc
+image-$(CONFIG_8260)			+= cuImage.pq2
+image-$(CONFIG_PPC_MPC52xx)		+= cuImage.52xx
 image-$(CONFIG_PPC_83xx)		+= cuImage.83xx
 image-$(CONFIG_PPC_85xx)		+= cuImage.85xx
+image-$(CONFIG_MPC7448HPC2)		+= cuImage.hpc2
 image-$(CONFIG_EBONY)			+= treeImage.ebony cuImage.ebony
+image-$(CONFIG_BAMBOO)			+= treeImage.bamboo cuImage.bamboo
+image-$(CONFIG_SEQUOIA)			+= cuImage.sequoia
+image-$(CONFIG_WALNUT)			+= treeImage.walnut
 endif

 # For 32-bit powermacs, build the COFF and miboot images
@@ -0,0 +1,47 @@
+/*
+ * Copyright IBM Corporation, 2007
+ * Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * Based on ebony wrapper:
+ * Copyright 2007 David Gibson, IBM Corporation.
+ *
+ * Clocking code based on code by:
+ * Stefan Roese <sr@denx.de>
+ *
+ * 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; version 2 of the License
+ */
+#include <stdarg.h>
+#include <stddef.h>
+#include "types.h"
+#include "elf.h"
+#include "string.h"
+#include "stdio.h"
+#include "page.h"
+#include "ops.h"
+#include "dcr.h"
+#include "4xx.h"
+#include "44x.h"
+
+static u8 *bamboo_mac0, *bamboo_mac1;
+
+static void bamboo_fixups(void)
+{
+	unsigned long sysclk = 33333333;
+
+	ibm440ep_fixup_clocks(sysclk, 11059200);
+	ibm4xx_fixup_memsize();
+	ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
+	dt_fixup_mac_addresses(bamboo_mac0, bamboo_mac1);
+}
+
+void bamboo_init(void *mac0, void *mac1)
+{
+	platform_ops.fixups = bamboo_fixups;
+	platform_ops.exit = ibm44x_dbcr_reset;
+	bamboo_mac0 = mac0;
+	bamboo_mac1 = mac1;
+	ft_init(_dtb_start, 0, 32);
+	serial_console_init();
+}
@@ -0,0 +1,269 @@
+/*
+ * CPM serial console support.
+ *
+ * Copyright 2007 Freescale Semiconductor, Inc.
+ * Author: Scott Wood <scottwood@freescale.com>
+ *
+ * It is assumed that the firmware (or the platform file) has already set
+ * up the port.
+ */
+
+#include "types.h"
+#include "io.h"
+#include "ops.h"
+
+struct cpm_scc {
+	u32 gsmrl;
+	u32 gsmrh;
+	u16 psmr;
+	u8 res1[2];
+	u16 todr;
+	u16 dsr;
+	u16 scce;
+	u8 res2[2];
+	u16 sccm;
+	u8 res3;
+	u8 sccs;
+	u8 res4[8];
+};
+
+struct cpm_smc {
+	u8 res1[2];
+	u16 smcmr;
+	u8 res2[2];
+	u8 smce;
+	u8 res3[3];
+	u8 smcm;
+	u8 res4[5];
+};
+
+struct cpm_param {
+	u16 rbase;
+	u16 tbase;
+	u8 rfcr;
+	u8 tfcr;
+};
+
+struct cpm_bd {
+	u16 sc;   /* Status and Control */
+	u16 len;  /* Data length in buffer */
+	u8 *addr; /* Buffer address in host memory */
+};
+
+static void *cpcr;
+static struct cpm_param *param;
+static struct cpm_smc *smc;
+static struct cpm_scc *scc;
+struct cpm_bd *tbdf, *rbdf;
+static u32 cpm_cmd;
+static u8 *muram_start;
+static u32 muram_offset;
+
+static void (*do_cmd)(int op);
+static void (*enable_port)(void);
+static void (*disable_port)(void);
+
+#define CPM_CMD_STOP_TX     4
+#define CPM_CMD_RESTART_TX  6
+#define CPM_CMD_INIT_RX_TX  0
+
+static void cpm1_cmd(int op)
+{
+	while (in_be16(cpcr) & 1)
+		;
+
+	out_be16(cpcr, (op << 8) | cpm_cmd | 1);
+
+	while (in_be16(cpcr) & 1)
+		;
+}
+
+static void cpm2_cmd(int op)
+{
+	while (in_be32(cpcr) & 0x10000)
+		;
+
+	out_be32(cpcr, op | cpm_cmd | 0x10000);
+
+	while (in_be32(cpcr) & 0x10000)
+		;
+}
+
+static void smc_disable_port(void)
+{
+	do_cmd(CPM_CMD_STOP_TX);
+	out_be16(&smc->smcmr, in_be16(&smc->smcmr) & ~3);
+}
+
+static void scc_disable_port(void)
+{
+	do_cmd(CPM_CMD_STOP_TX);
+	out_be32(&scc->gsmrl, in_be32(&scc->gsmrl) & ~0x30);
+}
+
+static void smc_enable_port(void)
+{
+	out_be16(&smc->smcmr, in_be16(&smc->smcmr) | 3);
+	do_cmd(CPM_CMD_RESTART_TX);
+}
+
+static void scc_enable_port(void)
+{
+	out_be32(&scc->gsmrl, in_be32(&scc->gsmrl) | 0x30);
+	do_cmd(CPM_CMD_RESTART_TX);
+}
+
+static int cpm_serial_open(void)
+{
+	disable_port();
+
+	out_8(&param->rfcr, 0x10);
+	out_8(&param->tfcr, 0x10);
+
+	rbdf = (struct cpm_bd *)muram_start;
+	rbdf->addr = (u8 *)(rbdf + 2);
+	rbdf->sc = 0xa000;
+	rbdf->len = 1;
+
+	tbdf = rbdf + 1;
+	tbdf->addr = (u8 *)(rbdf + 2) + 1;
+	tbdf->sc = 0x2000;
+	tbdf->len = 1;
+
+	sync();
+	out_be16(&param->rbase, muram_offset);
+	out_be16(&param->tbase, muram_offset + sizeof(struct cpm_bd));
+
+	do_cmd(CPM_CMD_INIT_RX_TX);
+
+	enable_port();
+	return 0;
+}
+
+static void cpm_serial_putc(unsigned char c)
+{
+	while (tbdf->sc & 0x8000)
+		barrier();
+
+	sync();
+
+	tbdf->addr[0] = c;
+	eieio();
+	tbdf->sc |= 0x8000;
+}
+
+static unsigned char cpm_serial_tstc(void)
+{
+	barrier();
+	return !(rbdf->sc & 0x8000);
+}
+
+static unsigned char cpm_serial_getc(void)
+{
+	unsigned char c;
+
+	while (!cpm_serial_tstc())
+		;
+
+	sync();
+	c = rbdf->addr[0];
+	eieio();
+	rbdf->sc |= 0x8000;
+
+	return c;
+}
+
+int cpm_console_init(void *devp, struct serial_console_data *scdp)
+{
+	void *reg_virt[2];
+	int is_smc = 0, is_cpm2 = 0, n;
+	unsigned long reg_phys;
+	void *parent, *muram;
+
+	if (dt_is_compatible(devp, "fsl,cpm1-smc-uart")) {
+		is_smc = 1;
+	} else if (dt_is_compatible(devp, "fsl,cpm2-scc-uart")) {
+		is_cpm2 = 1;
+	} else if (dt_is_compatible(devp, "fsl,cpm2-smc-uart")) {
+		is_cpm2 = 1;
+		is_smc = 1;
+	}
+
+	if (is_smc) {
+		enable_port = smc_enable_port;
+		disable_port = smc_disable_port;
+	} else {
+		enable_port = scc_enable_port;
+		disable_port = scc_disable_port;
+	}
+
+	if (is_cpm2)
+		do_cmd = cpm2_cmd;
+	else
+		do_cmd = cpm1_cmd;
+
+	n = getprop(devp, "fsl,cpm-command", &cpm_cmd, 4);
+	if (n < 4)
+		return -1;
+
+	n = getprop(devp, "virtual-reg", reg_virt, sizeof(reg_virt));
+	if (n < (int)sizeof(reg_virt)) {
+		for (n = 0; n < 2; n++) {
+			if (!dt_xlate_reg(devp, n, &reg_phys, NULL))
+				return -1;
+
+			reg_virt[n] = (void *)reg_phys;
+		}
+	}
+
+	if (is_smc)
+		smc = reg_virt[0];
+	else
+		scc = reg_virt[0];
+
+	param = reg_virt[1];
+
+	parent = get_parent(devp);
+	if (!parent)
+		return -1;
+
+	n = getprop(parent, "virtual-reg", reg_virt, sizeof(reg_virt));
+	if (n < (int)sizeof(reg_virt)) {
+		if (!dt_xlate_reg(parent, 0, &reg_phys, NULL))
+			return -1;
+
+		reg_virt[0] = (void *)reg_phys;
+	}
+
+	cpcr = reg_virt[0];
+
+	muram = finddevice("/soc/cpm/muram/data");
+	if (!muram)
+		return -1;
+
+	/* For bootwrapper-compatible device trees, we assume that the first
+	 * entry has at least 18 bytes, and that #address-cells/#data-cells
+	 * is one for both parent and child.
+	 */
+
+	n = getprop(muram, "virtual-reg", reg_virt, sizeof(reg_virt));
+	if (n < (int)sizeof(reg_virt)) {
+		if (!dt_xlate_reg(muram, 0, &reg_phys, NULL))
+			return -1;
+
+		reg_virt[0] = (void *)reg_phys;
+	}
+
+	muram_start = reg_virt[0];
+
+	n = getprop(muram, "reg", &muram_offset, 4);
+	if (n < 4)
+		return -1;
+
+	scdp->open = cpm_serial_open;
+	scdp->putc = cpm_serial_putc;
+	scdp->getc = cpm_serial_getc;
+	scdp->tstc = cpm_serial_tstc;
+
+	return 0;
+}
@@ -0,0 +1,59 @@
+/*
+ * Old U-boot compatibility for MPC5200
+ *
+ * Author: Grant Likely <grant.likely@secretlab.ca>
+ *
+ * Copyright (c) 2007 Secret Lab Technologies Ltd.
+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ops.h"
+#include "stdio.h"
+#include "io.h"
+#include "cuboot.h"
+
+#define TARGET_PPC_MPC52xx
+#include "ppcboot.h"
+
+static bd_t bd;
+
+static void platform_fixups(void)
+{
+	void *soc, *reg;
+	int div;
+	u32 sysfreq;
+
+
+	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
+	dt_fixup_mac_addresses(bd.bi_enetaddr);
+	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
+
+	/* Unfortunately, the specific model number is encoded in the
+	 * soc node name in existing dts files -- once that is fixed,
+	 * this can do a simple path lookup.
+	 */
+	soc = find_node_by_devtype(NULL, "soc");
+	if (soc) {
+		setprop(soc, "bus-frequency", &bd.bi_ipbfreq,
+			sizeof(bd.bi_ipbfreq));
+
+		if (!dt_xlate_reg(soc, 0, (void*)&reg, NULL))
+			return;
+		div = in_8(reg + 0x204) & 0x0020 ? 8 : 4;
+		sysfreq = bd.bi_busfreq * div;
+		setprop(soc, "system-frequency", &sysfreq, sizeof(sysfreq));
+	}
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+                   unsigned long r6, unsigned long r7)
+{
+	CUBOOT_INIT();
+	ft_init(_dtb_start, _dtb_end - _dtb_start, 32);
+	serial_console_init();
+	platform_ops.fixups = platform_fixups;
+}
@@ -18,7 +18,6 @@
 #include "ppcboot.h"

 static bd_t bd;
-extern char _dtb_start[], _dtb_end[];

 static void platform_fixups(void)
 {
@@ -18,7 +18,6 @@
 #include "ppcboot.h"

 static bd_t bd;
-extern char _dtb_start[], _dtb_end[];

 static void platform_fixups(void)
 {
@@ -0,0 +1,47 @@
+/*
+ * Old U-boot compatibility for 8xx
+ *
+ * Author: Scott Wood <scottwood@freescale.com>
+ *
+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ops.h"
+#include "stdio.h"
+#include "cuboot.h"
+
+#define TARGET_8xx
+#define TARGET_HAS_ETH1
+#include "ppcboot.h"
+
+static bd_t bd;
+
+static void platform_fixups(void)
+{
+	void *node;
+
+	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
+	dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
+	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq);
+
+	node = finddevice("/soc/cpm");
+	if (node)
+		setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
+
+	node = finddevice("/soc/cpm/brg");
+	if (node)
+		setprop(node, "clock-frequency",  &bd.bi_busfreq, 4);
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+                   unsigned long r6, unsigned long r7)
+{
+	CUBOOT_INIT();
+	ft_init(_dtb_start, _dtb_end - _dtb_start, 32);
+	serial_console_init();
+	platform_ops.fixups = platform_fixups;
+}
@@ -0,0 +1,30 @@
+/*
+ * Old U-boot compatibility for Bamboo
+ *
+ * Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * Copyright 2007 IBM Corporation
+ *
+ * Based on cuboot-ebony.c
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ops.h"
+#include "stdio.h"
+#include "44x.h"
+#include "cuboot.h"
+
+#define TARGET_44x
+#include "ppcboot.h"
+
+static bd_t bd;
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+		unsigned long r6, unsigned long r7)
+{
+	CUBOOT_INIT();
+	bamboo_init(&bd.bi_enetaddr, &bd.bi_enet1addr);
+}
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * Author: Roy Zang <tie-fei.zang@freescale.com>
+ *
+ * Description:
+ * Old U-boot compatibility for mpc7448hpc2 board
+ * Based on the code of Scott Wood <scottwood@freescale.com>
+ * for 83xx and 85xx.
+ *
+ * This 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 "ops.h"
+#include "stdio.h"
+#include "cuboot.h"
+
+#define TARGET_HAS_ETH1
+#include "ppcboot.h"
+
+static bd_t bd;
+extern char _dtb_start[], _dtb_end[];
+
+static void platform_fixups(void)
+{
+	void *tsi;
+
+	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
+	dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
+	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
+	tsi = find_node_by_devtype(NULL, "tsi-bridge");
+	if (tsi)
+		setprop(tsi, "bus-frequency", &bd.bi_busfreq,
+			sizeof(bd.bi_busfreq));
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+		unsigned long r6, unsigned long r7)
+{
+	CUBOOT_INIT();
+	ft_init(_dtb_start, _dtb_end - _dtb_start, 32);
+	serial_console_init();
+	platform_ops.fixups = platform_fixups;
+}
@@ -0,0 +1,261 @@
+/*
+ * Old U-boot compatibility for PowerQUICC II
+ * (a.k.a. 82xx with CPM, not the 8240 family of chips)
+ *
+ * Author: Scott Wood <scottwood@freescale.com>
+ *
+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ops.h"
+#include "stdio.h"
+#include "cuboot.h"
+#include "io.h"
+#include "fsl-soc.h"
+
+#define TARGET_CPM2
+#define TARGET_HAS_ETH1
+#include "ppcboot.h"
+
+static bd_t bd;
+
+struct cs_range {
+	u32 csnum;
+	u32 base; /* must be zero */
+	u32 addr;
+	u32 size;
+};
+
+struct pci_range {
+	u32 flags;
+	u32 pci_addr[2];
+	u32 phys_addr;
+	u32 size[2];
+};
+
+struct cs_range cs_ranges_buf[MAX_PROP_LEN / sizeof(struct cs_range)];
+struct pci_range pci_ranges_buf[MAX_PROP_LEN / sizeof(struct pci_range)];
+
+/* Different versions of u-boot put the BCSR in different places, and
+ * some don't set up the PCI PIC at all, so we assume the device tree is
+ * sane and update the BRx registers appropriately.
+ *
+ * For any node defined as compatible with fsl,pq2-localbus,
+ * #address/#size must be 2/1 for the localbus, and 1/1 for the parent bus.
+ * Ranges must be for whole chip selects.
+ */
+static void update_cs_ranges(void)
+{
+	void *bus_node, *parent_node;
+	u32 *ctrl_addr;
+	unsigned long ctrl_size;
+	u32 naddr, nsize;
+	int len;
+	int i;
+
+	bus_node = finddevice("/localbus");
+	if (!bus_node || !dt_is_compatible(bus_node, "fsl,pq2-localbus"))
+		return;
+
+	dt_get_reg_format(bus_node, &naddr, &nsize);
+	if (naddr != 2 || nsize != 1)
+		goto err;
+
+	parent_node = get_parent(bus_node);
+	if (!parent_node)
+		goto err;
+
+	dt_get_reg_format(parent_node, &naddr, &nsize);
+	if (naddr != 1 || nsize != 1)
+		goto err;
+
+	if (!dt_xlate_reg(bus_node, 0, (unsigned long *)&ctrl_addr,
+	                  &ctrl_size))
+		goto err;
+
+	len = getprop(bus_node, "ranges", cs_ranges_buf, sizeof(cs_ranges_buf));
+
+	for (i = 0; i < len / sizeof(struct cs_range); i++) {
+		u32 base, option;
+		int cs = cs_ranges_buf[i].csnum;
+		if (cs >= ctrl_size / 8)
+			goto err;
+
+		if (cs_ranges_buf[i].base != 0)
+			goto err;
+
+		base = in_be32(&ctrl_addr[cs * 2]);
+
+		/* If CS is already valid, use the existing flags.
+		 * Otherwise, guess a sane default.
+		 */
+		if (base & 1) {
+			base &= 0x7fff;
+			option = in_be32(&ctrl_addr[cs * 2 + 1]) & 0x7fff;
+		} else {
+			base = 0x1801;
+			option = 0x10;
+		}
+
+		out_be32(&ctrl_addr[cs * 2], 0);
+		out_be32(&ctrl_addr[cs * 2 + 1],
+		         option | ~(cs_ranges_buf[i].size - 1));
+		out_be32(&ctrl_addr[cs * 2], base | cs_ranges_buf[i].addr);
+	}
+
+	return;
+
+err:
+	printf("Bad /localbus node\r\n");
+}
+
+/* Older u-boots don't set PCI up properly.  Update the hardware to match
+ * the device tree.  The prefetch mem region and non-prefetch mem region
+ * must be contiguous in the host bus.  As required by the PCI binding,
+ * PCI #addr/#size must be 3/2.  The parent bus must be 1/1.  Only
+ * 32-bit PCI is supported.  All three region types (prefetchable mem,
+ * non-prefetchable mem, and I/O) must be present.
+ */
+static void fixup_pci(void)
+{
+	struct pci_range *mem = NULL, *mmio = NULL,
+	                 *io = NULL, *mem_base = NULL;
+	u32 *pci_regs[3];
+	u8 *soc_regs;
+	int i, len;
+	void *node, *parent_node;
+	u32 naddr, nsize, mem_log2;
+
+	node = finddevice("/pci");
+	if (!node || !dt_is_compatible(node, "fsl,pq2-pci"))
+		return;
+
+	for (i = 0; i < 3; i++)
+		if (!dt_xlate_reg(node, i,
+		                  (unsigned long *)&pci_regs[i], NULL))
+			goto err;
+
+	soc_regs = (u8 *)fsl_get_immr();
+	if (!soc_regs)
+		goto err;
+
+	dt_get_reg_format(node, &naddr, &nsize);
+	if (naddr != 3 || nsize != 2)
+		goto err;
+
+	parent_node = get_parent(node);
+	if (!parent_node)
+		goto err;
+
+	dt_get_reg_format(parent_node, &naddr, &nsize);
+	if (naddr != 1 || nsize != 1)
+		goto err;
+
+	len = getprop(node, "ranges", pci_ranges_buf,
+	              sizeof(pci_ranges_buf));
+
+	for (i = 0; i < len / sizeof(struct pci_range); i++) {
+		u32 flags = pci_ranges_buf[i].flags & 0x43000000;
+
+		if (flags == 0x42000000)
+			mem = &pci_ranges_buf[i];
+		else if (flags == 0x02000000)
+			mmio = &pci_ranges_buf[i];
+		else if (flags == 0x01000000)
+			io = &pci_ranges_buf[i];
+	}
+
+	if (!mem || !mmio || !io)
+		goto err;
+
+	if (mem->phys_addr + mem->size[1] == mmio->phys_addr)
+		mem_base = mem;
+	else if (mmio->phys_addr + mmio->size[1] == mem->phys_addr)
+		mem_base = mmio;
+	else
+		goto err;
+
+	out_be32(&pci_regs[1][0], mem_base->phys_addr | 1);
+	out_be32(&pci_regs[2][0], ~(mem->size[1] + mmio->size[1] - 1));
+
+	out_be32(&pci_regs[1][1], io->phys_addr | 1);
+	out_be32(&pci_regs[2][1], ~(io->size[1] - 1));
+
+	out_le32(&pci_regs[0][0], mem->pci_addr[1] >> 12);
+	out_le32(&pci_regs[0][2], mem->phys_addr >> 12);
+	out_le32(&pci_regs[0][4], (~(mem->size[1] - 1) >> 12) | 0xa0000000);
+
+	out_le32(&pci_regs[0][6], mmio->pci_addr[1] >> 12);
+	out_le32(&pci_regs[0][8], mmio->phys_addr >> 12);
+	out_le32(&pci_regs[0][10], (~(mmio->size[1] - 1) >> 12) | 0x80000000);
+
+	out_le32(&pci_regs[0][12], io->pci_addr[1] >> 12);
+	out_le32(&pci_regs[0][14], io->phys_addr >> 12);
+	out_le32(&pci_regs[0][16], (~(io->size[1] - 1) >> 12) | 0xc0000000);
+
+	/* Inbound translation */
+	out_le32(&pci_regs[0][58], 0);
+	out_le32(&pci_regs[0][60], 0);
+
+	mem_log2 = 1 << (__ilog2_u32(bd.bi_memsize - 1) + 1);
+	out_le32(&pci_regs[0][62], 0xa0000000 | ~((1 << (mem_log2 - 12)) - 1));
+
+	/* If PCI is disabled, drive RST high to enable. */
+	if (!(in_le32(&pci_regs[0][32]) & 1)) {
+		 /* Tpvrh (Power valid to RST# high) 100 ms */
+		udelay(100000);
+
+		out_le32(&pci_regs[0][32], 1);
+
+		/* Trhfa (RST# high to first cfg access) 2^25 clocks */
+		udelay(1020000);
+	}
+
+	/* Enable bus master and memory access */
+	out_le32(&pci_regs[0][64], 0x80000004);
+	out_le32(&pci_regs[0][65], in_le32(&pci_regs[0][65]) | 6);
+
+	/* Park the bus on PCI, and elevate PCI's arbitration priority,
+	 * as required by section 9.6 of the user's manual.
+	 */
+	out_8(&soc_regs[0x10028], 3);
+	out_be32((u32 *)&soc_regs[0x1002c], 0x01236745);
+
+	return;
+
+err:
+	printf("Bad PCI node\r\n");
+}
+
+static void pq2_platform_fixups(void)
+{
+	void *node;
+
+	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
+	dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
+	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
+
+	node = finddevice("/soc/cpm");
+	if (node)
+		setprop(node, "clock-frequency", &bd.bi_cpmfreq, 4);
+
+	node = finddevice("/soc/cpm/brg");
+	if (node)
+		setprop(node, "clock-frequency",  &bd.bi_brgfreq, 4);
+
+	update_cs_ranges();
+	fixup_pci();
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+                   unsigned long r6, unsigned long r7)
+{
+	CUBOOT_INIT();
+	ft_init(_dtb_start, _dtb_end - _dtb_start, 32);
+	serial_console_init();
+	platform_ops.fixups = pq2_platform_fixups;
+}
@@ -0,0 +1,56 @@
+/*
+ * Old U-boot compatibility for Sequoia
+ *
+ * Valentine Barshak <vbarshak@ru.mvista.com>
+ * Copyright 2007 MontaVista Software, Inc
+ *
+ * Based on Ebony code by David Gibson <david@gibson.dropbear.id.au>
+ * Copyright IBM Corporation, 2007
+ *
+ * Based on Bamboo code by Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ * Copyright IBM Corporation, 2007
+ *
+ * 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; version 2 of the License
+ */
+
+#include <stdarg.h>
+#include <stddef.h>
+#include "types.h"
+#include "elf.h"
+#include "string.h"
+#include "stdio.h"
+#include "page.h"
+#include "ops.h"
+#include "dcr.h"
+#include "4xx.h"
+#include "44x.h"
+#include "cuboot.h"
+
+#define TARGET_4xx
+#define TARGET_44x
+#include "ppcboot.h"
+
+static bd_t bd;
+
+
+static void sequoia_fixups(void)
+{
+	unsigned long sysclk = 33333333;
+
+	ibm440ep_fixup_clocks(sysclk, 11059200);
+	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
+	ibm4xx_denali_fixup_memsize();
+	dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+                   unsigned long r6, unsigned long r7)
+{
+	CUBOOT_INIT();
+	platform_ops.fixups = sequoia_fixups;
+	platform_ops.exit = ibm44x_dbcr_reset;
+	ft_init(_dtb_start, 0, 32);
+	serial_console_init();
+}
@@ -17,9 +17,6 @@

 #include "ppcboot.h"

-extern char _end[];
-extern char _dtb_start[], _dtb_end[];
-
 void cuboot_init(unsigned long r4, unsigned long r5,
 		 unsigned long r6, unsigned long r7,
 		 unsigned long end_of_ram)
--- a/Show More
+++ b/Show More