Merge remote-tracking branch 'u-boot/master' into 'u-boot-arm/master'

.travis.yml

@@ -106,9 +106,6 @@ matrix:
     - env:
         - TEST_CMD="tools/buildman/buildman mpc512x"
           INSTALL_TOOLCHAIN="ppc"
-    - env:
-        - TEST_CMD="tools/buildman/buildman mpc824x"
-          INSTALL_TOOLCHAIN="ppc"
     - env:
         - TEST_CMD="tools/buildman/buildman mpc8260"
           INSTALL_TOOLCHAIN="ppc"

Kconfig

@@ -56,6 +56,25 @@ config CC_OPTIMIZE_FOR_SIZE
 
 	  This option is enabled by default for U-Boot.
 
+config SYS_MALLOC_F
+	bool "Enable malloc() pool before relocation"
+	default 0x400
+	help
+	  Before relocation memory is very limited on many platforms. Still,
+	  we can provide a small malloc() pool if needed. Driver model in
+	  particular needs this to operate, so that it can allocate the
+	  initial serial device and any others that are needed.
+
+config SYS_MALLOC_F_LEN
+	hex "Size of malloc() pool before relocation"
+	depends on SYS_MALLOC_F
+	default 0x400
+	help
+	  Before relocation memory is very limited on many platforms. Still,
+	  we can provide a small malloc() pool if needed. Driver model in
+	  particular needs this to operate, so that it can allocate the
+	  initial serial device and any others that are needed.
+
 menuconfig EXPERT
         bool "Configure standard U-Boot features (expert users)"
         help
@@ -116,8 +135,10 @@ config FIT_VERBOSE
 	depends on FIT
 
 config FIT_SIGNATURE
-	bool "Enabel signature verification of FIT uImages"
+	bool "Enable signature verification of FIT uImages"
 	depends on FIT
+	depends on DM
+	select RSA
 	help
 	  This option enables signature verification of FIT uImages,
 	  using a hash signed and verified using RSA.
@@ -138,7 +159,7 @@ config SYS_EXTRA_OPTIONS
 	  new boards should not use this option.
 
 config SYS_TEXT_BASE
-	depends on SPARC
+	depends on SPARC || ARC
 	hex "Text Base"
 	help
 	  TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture
@@ -164,3 +185,5 @@ source "drivers/Kconfig"
 source "fs/Kconfig"
 
 source "lib/Kconfig"
+
+source "test/Kconfig"

MAINTAINERS

@@ -76,9 +76,7 @@ ARM ATMEL AT91
 M:	Andreas Bießmann <andreas.devel@googlemail.com>
 S:	Maintained
 T:	git git://git.denx.de/u-boot-atmel.git
-F:	arch/arm/cpu/armv7/at91/
-F:	arch/arm/cpu/at91-common/
-F:	arch/arm/include/asm/arch-at91/
+F:	arch/arm/mach-at91/
 
 ARM FREESCALE IMX
 M:	Stefano Babic <sbabic@denx.de>
@@ -100,8 +98,7 @@ M:	Prafulla Wadaskar <prafulla@marvell.com>
 M:	Luka Perkov <luka.perkov@sartura.hr>
 S:	Maintained
 T:	git git://git.denx.de/u-boot-marvell.git
-F:	arch/arm/cpu/arm926ejs/kirkwood/
-F:	arch/arm/include/asm/arch-kirkwood/
+F:	arch/arm/mach-kirkwood/
 
 ARM MARVELL PXA
 M:	Marek Vasut <marex@denx.de>
@@ -147,9 +144,7 @@ ARM TEGRA
 M:	Tom Warren <twarren@nvidia.com>
 S:	Maintained
 T:	git git://git.denx.de/u-boot-tegra.git
-F:	arch/arm/cpu/arm720t/tegra*/
-F:	arch/arm/cpu/armv7/tegra*/
-F:	arch/arm/cpu/tegra*/
+F:	arch/arm/mach-tegra/
 F:	arch/arm/include/asm/arch-tegra*/
 
 ARM TI
@@ -170,7 +165,7 @@ T:	git git://git.denx.de/u-boot-uniphier.git
 F:	arch/arm/cpu/armv7/uniphier/
 F:	arch/arm/include/asm/arch-uniphier/
 F:	configs/ph1_*_defconfig
-F:	drivers/serial/serial_uniphier.c
+N:	uniphier
 
 ARM ZYNQ
 M:	Michal Simek <monstr@monstr.eu>

Makefile

@@ -1,7 +1,7 @@
 VERSION = 2015
-PATCHLEVEL = 01
+PATCHLEVEL = 04
 SUBLEVEL =
-EXTRAVERSION =
+EXTRAVERSION = -rc2
 NAME =
 
 # *DOCUMENTATION*
@@ -281,6 +281,11 @@ os_x_before	= $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
 HOSTCC       = $(call os_x_before, 10, 5, "cc", "gcc")
 HOSTCFLAGS  += $(call os_x_before, 10, 4, "-traditional-cpp")
 HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
+
+# since Lion (10.7) ASLR is on by default, but we use linker generated lists
+# in some host tools which is a problem then ... so disable ASLR for these
+# tools
+HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie")
 endif
 
 # Decide whether to build built-in, modular, or both.
@@ -729,8 +734,9 @@ ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
 endif
 ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf
 
-# We can't do this yet due to the need for binary blobs
-# ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom
+ifneq ($(BUILD_ROM),)
+ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom
+endif
 
 # enable combined SPL/u-boot/dtb rules for tegra
 ifneq ($(CONFIG_TEGRA),)
@@ -776,6 +782,13 @@ ifneq ($(CONFIG_SYS_GENERIC_BOARD),y)
 	@echo "See doc/README.generic-board for further information"
 	@echo "===================================================="
 endif
+ifeq ($(CONFIG_DM_I2C_COMPAT),y)
+	@echo "===================== WARNING ======================"
+	@echo "This board uses CONFIG_DM_I2C_COMPAT. Please remove"
+	@echo "(possibly in a subsequent patch in your series)"
+	@echo "before sending patches to the mailing list."
+	@echo "===================================================="
+endif
 
 PHONY += dtbs
 dtbs dts/dt.dtb: checkdtc u-boot
@@ -849,12 +862,18 @@ MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \
 MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \
 	-T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE)
 
+MKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \
+	-T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE)
+
 MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \
 		-R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage
 
 u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE
 	$(call if_changed,mkimage)
 
+u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE
+	$(call if_changed,mkimage)
+
 MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img)
 
 u-boot-dtb.img: u-boot-dtb.bin FORCE

README

@@ -1257,6 +1257,9 @@ The following options need to be configured:
 		SoC, then define this variable and provide board
 		specific code for the "hw_watchdog_reset" function.
 
+		CONFIG_AT91_HW_WDT_TIMEOUT
+		specify the timeout in seconds. default 2 seconds.
+
 - U-Boot Version:
 		CONFIG_VERSION_VARIABLE
 		If this variable is defined, an environment variable
@@ -3176,8 +3179,13 @@ CBFS (Coreboot Filesystem) support
 		This enables the RSA algorithm used for FIT image verification
 		in U-Boot. See doc/uImage.FIT/signature.txt for more information.
 
+		The Modular Exponentiation algorithm in RSA is implemented using
+		driver model. So CONFIG_DM needs to be enabled by default for this
+		library to function.
+
 		The signing part is build into mkimage regardless of this
-		option.
+		option. The software based modular exponentiation is built into
+		mkimage irrespective of this option.
 
 - bootcount support:
 		CONFIG_BOOTCOUNT_LIMIT
@@ -5899,9 +5907,10 @@ option performs the converse operation of the mkimage's second form (the "-d"
 option). Given an image built by mkimage, the dumpimage extracts a "data file"
 from the image:
 
-	tools/dumpimage -i image -p position data_file
-	  -i ==> extract from the 'image' a specific 'data_file', \
-	   indexed by 'position'
+	tools/dumpimage -i image -T type -p position data_file
+	  -i ==> extract from the 'image' a specific 'data_file'
+	  -T ==> set image type to 'type'
+	  -p ==> 'position' (starting at 0) of the 'data_file' inside the 'image'
 
 
 Installing a Linux Image:

arch/Kconfig

@@ -4,6 +4,7 @@ choice
 
 config ARC
 	bool "ARC architecture"
+	select HAVE_PRIVATE_LIBGCC
 
 config ARM
 	bool "ARM architecture"
@@ -39,6 +40,7 @@ config OPENRISC
 config PPC
 	bool "PowerPC architecture"
 	select HAVE_PRIVATE_LIBGCC
+	select SUPPORT_OF_CONTROL
 
 config SANDBOX
 	bool "Sandbox"

arch/arc/Kconfig

@@ -4,8 +4,131 @@ menu "ARC architecture"
 config SYS_ARCH
 	default "arc"
 
+config USE_PRIVATE_LIBGCC
+	default y
+
 config SYS_CPU
-	default "arcv1"
+	default "arcv1" if ISA_ARCOMPACT
+	default "arcv2" if ISA_ARCV2
+
+choice
+	prompt "ARC Instruction Set"
+	default ISA_ARCOMPACT
+
+config ISA_ARCOMPACT
+	bool "ARCompact ISA"
+	help
+	  The original ARC ISA of ARC600/700 cores
+
+config ISA_ARCV2
+	bool "ARC ISA v2"
+	help
+	  ISA for the Next Generation ARC-HS cores
+
+endchoice
+
+choice
+	prompt "CPU selection"
+	default CPU_ARC770D if ISA_ARCOMPACT
+	default CPU_ARCHS38 if ISA_ARCV2
+
+config CPU_ARC750D
+	bool "ARC 750D"
+	select ARC_MMU_V2
+	depends on ISA_ARCOMPACT
+	help
+	  Choose this option to build an U-Boot for ARC750D CPU.
+
+config CPU_ARC770D
+	bool "ARC 770D"
+	select ARC_MMU_V3
+	depends on ISA_ARCOMPACT
+	help
+	  Choose this option to build an U-Boot for ARC770D CPU.
+
+config CPU_ARCEM6
+	bool "ARC EM6"
+	select ARC_MMU_ABSENT
+	depends on ISA_ARCV2
+	help
+	  Next Generation ARC Core based on ISA-v2 ISA without MMU.
+
+config CPU_ARCHS36
+	bool "ARC HS36"
+	select ARC_MMU_ABSENT
+	depends on ISA_ARCV2
+	help
+	  Next Generation ARC Core based on ISA-v2 ISA without MMU.
+
+config CPU_ARCHS38
+	bool "ARC HS38"
+	select ARC_MMU_V4
+	depends on ISA_ARCV2
+	help
+	  Next Generation ARC Core based on ISA-v2 ISA with MMU.
+
+endchoice
+
+choice
+	prompt "MMU Version"
+	default ARC_MMU_V3 if CPU_ARC770D
+	default ARC_MMU_V2 if CPU_ARC750D
+	default ARC_MMU_ABSENT if CPU_ARCEM6
+	default ARC_MMU_ABSENT if CPU_ARCHS36
+	default ARC_MMU_V4 if CPU_ARCHS38
+
+config ARC_MMU_ABSENT
+	bool "No MMU"
+	help
+	  No MMU
+
+config ARC_MMU_V2
+	bool "MMU v2"
+	depends on CPU_ARC750D
+	help
+	  Fixed the deficiency of v1 - possible thrashing in memcpy sceanrio
+	  when 2 D-TLB and 1 I-TLB entries index into same 2way set.
+
+config ARC_MMU_V3
+	bool "MMU v3"
+	depends on CPU_ARC770D
+	help
+	  Introduced with ARC700 4.10: New Features
+	  Variable Page size (1k-16k), var JTLB size 128 x (2 or 4)
+	  Shared Address Spaces (SASID)
+
+config ARC_MMU_V4
+	bool "MMU v4"
+	depends on CPU_ARCHS38
+	help
+	  Introduced as a part of ARC HS38 release.
+
+endchoice
+
+config CPU_BIG_ENDIAN
+	bool "Enable Big Endian Mode"
+	default n
+	help
+	  Build kernel for Big Endian Mode of ARC CPU
+
+config SYS_ICACHE_OFF
+	bool "Do not use Instruction Cache"
+	default n
+
+config SYS_DCACHE_OFF
+	bool "Do not use Data Cache"
+	default n
+
+config ARC_CACHE_LINE_SHIFT
+	int "Cache Line Length (as power of 2)"
+	range 5 7
+	default "6"
+	depends on !SYS_DCACHE_OFF || !SYS_DCACHE_OFF
+	help
+	  Starting with ARC700 4.9, Cache line length is configurable,
+	  This option specifies "N", with Line-len = 2 power N
+	  So line lengths of 32, 64, 128 are specified by 5,6,7, respectively
+	  Linux only supports same line lengths for I and D caches.
 
 choice
 	prompt "Target select"
@@ -16,9 +139,6 @@ config TARGET_TB100
 config TARGET_ARCANGEL4
 	bool "Support arcangel4"
 
-config TARGET_ARCANGEL4_BE
-	bool "Support arcangel4-be"
-
 config TARGET_AXS101
 	bool "Support axs101"
 

arch/arc/config.mk

@@ -4,17 +4,22 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-ifndef CONFIG_SYS_BIG_ENDIAN
+ifndef CONFIG_CPU_BIG_ENDIAN
 CONFIG_SYS_LITTLE_ENDIAN = 1
+else
+CONFIG_SYS_BIG_ENDIAN = 1
 endif
 
 ifdef CONFIG_SYS_LITTLE_ENDIAN
 ARC_CROSS_COMPILE := arc-buildroot-linux-uclibc-
+PLATFORM_LDFLAGS += -EL
+PLATFORM_CPPFLAGS += -mlittle-endian
 endif
 
 ifdef CONFIG_SYS_BIG_ENDIAN
 ARC_CROSS_COMPILE := arceb-buildroot-linux-uclibc-
 PLATFORM_LDFLAGS += -EB
+PLATFORM_CPPFLAGS += -mbig-endian
 endif
 
 ifeq ($(CROSS_COMPILE),)
@@ -25,6 +30,26 @@ ifdef CONFIG_ARC_MMU_VER
 CONFIG_MMU = 1
 endif
 
+ifdef CONFIG_CPU_ARC750D
+PLATFORM_CPPFLAGS += -marc700
+endif
+
+ifdef CONFIG_CPU_ARC770D
+PLATFORM_CPPFLAGS += -marc700 -mlock -mswape
+endif
+
+ifdef CONFIG_CPU_ARCEM6
+PLATFORM_CPPFLAGS += -marcem
+endif
+
+ifdef CONFIG_CPU_ARCHS34
+PLATFORM_CPPFLAGS += -marchs
+endif
+
+ifdef CONFIG_CPU_ARCHS38
+PLATFORM_CPPFLAGS += -marchs
+endif
+
 PLATFORM_CPPFLAGS += -ffixed-r25 -D__ARC__ -gdwarf-2
 
 # Needed for relocation

arch/arc/cpu/arcv1/config.mk

@@ -1,7 +0,0 @@
-#
-# Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-PLATFORM_CPPFLAGS += -mA7

arch/arc/cpu/arcv2/Makefile

@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2013-2015 Synopsys, Inc. All rights reserved.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y += start.o

arch/arc/cpu/arcv2/start.S

@@ -0,0 +1,254 @@
+/*
+ * Copyright (C) 2013-2015 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm-offsets.h>
+#include <config.h>
+#include <asm/arcregs.h>
+
+/*
+ * Note on the LD/ST addressing modes with address register write-back
+ *
+ * LD.a same as LD.aw
+ *
+ * LD.a    reg1, [reg2, x]  => Pre Incr
+ *      Eff Addr for load = [reg2 + x]
+ *
+ * LD.ab   reg1, [reg2, x]  => Post Incr
+ *      Eff Addr for load = [reg2]
+ */
+
+.macro PUSH reg
+	st.a	\reg, [%sp, -4]
+.endm
+
+.macro PUSHAX aux
+	lr	%r9, [\aux]
+	PUSH	%r9
+.endm
+
+.macro  SAVE_R1_TO_R24
+	PUSH	%r1
+	PUSH	%r2
+	PUSH	%r3
+	PUSH	%r4
+	PUSH	%r5
+	PUSH	%r6
+	PUSH	%r7
+	PUSH	%r8
+	PUSH	%r9
+	PUSH	%r10
+	PUSH	%r11
+	PUSH	%r12
+	PUSH	%r13
+	PUSH	%r14
+	PUSH	%r15
+	PUSH	%r16
+	PUSH	%r17
+	PUSH	%r18
+	PUSH	%r19
+	PUSH	%r20
+	PUSH	%r21
+	PUSH	%r22
+	PUSH	%r23
+	PUSH	%r24
+.endm
+
+.macro SAVE_ALL_SYS
+	/* saving %r0 to reg->r0 in advance since weread %ecr into it */
+	st	%r0, [%sp, -8]
+	lr	%r0, [%ecr]	/* all stack addressing is manual so far */
+	st	%r0, [%sp]
+	st	%sp, [%sp, -4]
+	/* now move %sp to reg->r0 position so we can do "push" automatically */
+	sub	%sp, %sp, 8
+
+	SAVE_R1_TO_R24
+	PUSH	%r25
+	PUSH	%gp
+	PUSH	%fp
+	PUSH	%blink
+	PUSHAX	%eret
+	PUSHAX	%erstatus
+	PUSH	%lp_count
+	PUSHAX	%lp_end
+	PUSHAX	%lp_start
+	PUSHAX	%erbta
+.endm
+
+.macro SAVE_EXCEPTION_SOURCE
+#ifdef CONFIG_MMU
+	/* If MMU exists exception faulting address is loaded in EFA reg */
+	lr	%r0, [%efa]
+#else
+	/* Otherwise in ERET (exception return) reg */
+	lr	%r0, [%eret]
+#endif
+.endm
+
+.section .ivt, "a",@progbits
+.align 4
+	/* Critical system events */
+.word	_start			/* 0 - 0x000 */
+.word	memory_error		/* 1 - 0x008 */
+.word	instruction_error	/* 2 - 0x010 */
+
+	/* Exceptions */
+.word	EV_MachineCheck		/* 0x100, Fatal Machine check  (0x20) */
+.word	EV_TLBMissI		/* 0x108, Intruction TLB miss  (0x21) */
+.word	EV_TLBMissD		/* 0x110, Data TLB miss        (0x22) */
+.word	EV_TLBProtV		/* 0x118, Protection Violation (0x23)
+							or Misaligned Access  */
+.word	EV_PrivilegeV		/* 0x120, Privilege Violation  (0x24) */
+.word	EV_Trap			/* 0x128, Trap exception       (0x25) */
+.word	EV_Extension		/* 0x130, Extn Intruction Excp (0x26) */
+
+	/* Device interrupts */
+.rept	29
+	j	interrupt_handler	/* 3:31 - 0x018:0xF8 */
+.endr
+
+.text
+.globl _start
+_start:
+	/* Setup interrupt vector base that matches "__text_start" */
+	sr	__ivt_start, [ARC_AUX_INTR_VEC_BASE]
+
+	/* Setup stack pointer */
+	mov	%sp, CONFIG_SYS_INIT_SP_ADDR
+	mov	%fp, %sp
+
+	/* Clear bss */
+	mov	%r0, __bss_start
+	mov	%r1, __bss_end
+
+clear_bss:
+	st.ab	0, [%r0, 4]
+	brlt	%r0, %r1, clear_bss
+
+	/* Zero the one and only argument of "board_init_f" */
+	mov_s	%r0, 0
+	j	board_init_f
+
+memory_error:
+	SAVE_ALL_SYS
+	SAVE_EXCEPTION_SOURCE
+	mov	%r1, %sp
+	j	do_memory_error
+
+instruction_error:
+	SAVE_ALL_SYS
+	SAVE_EXCEPTION_SOURCE
+	mov	%r1, %sp
+	j	do_instruction_error
+
+interrupt_handler:
+	/* Todo - save and restore CPU context when interrupts will be in use */
+	bl	do_interrupt_handler
+	rtie
+
+EV_MachineCheck:
+	SAVE_ALL_SYS
+	SAVE_EXCEPTION_SOURCE
+	mov	%r1, %sp
+	j	do_machine_check_fault
+
+EV_TLBMissI:
+	SAVE_ALL_SYS
+	mov	%r0, %sp
+	j	do_itlb_miss
+
+EV_TLBMissD:
+	SAVE_ALL_SYS
+	mov	%r0, %sp
+	j	do_dtlb_miss
+
+EV_TLBProtV:
+	SAVE_ALL_SYS
+	SAVE_EXCEPTION_SOURCE
+	mov	%r1, %sp
+	j	do_tlb_prot_violation
+
+EV_PrivilegeV:
+	SAVE_ALL_SYS
+	mov	%r0, %sp
+	j	do_privilege_violation
+
+EV_Trap:
+	SAVE_ALL_SYS
+	mov	%r0, %sp
+	j	do_trap
+
+EV_Extension:
+	SAVE_ALL_SYS
+	mov	%r0, %sp
+	j	do_extension
+
+/*
+ * void relocate_code (addr_sp, gd, addr_moni)
+ *
+ * This "function" does not return, instead it continues in RAM
+ * after relocating the monitor code.
+ *
+ * r0 = start_addr_sp
+ * r1 = new__gd
+ * r2 = relocaddr
+ */
+.align 4
+.globl	relocate_code
+relocate_code:
+	/*
+	 * r0-r12 might be clobbered by C functions
+	 * so we use r13-r16 for storage here
+	 */
+	mov	%r13, %r0		/* save addr_sp */
+	mov	%r14, %r1		/* save addr of gd */
+	mov	%r15, %r2		/* save addr of destination */
+
+	mov	%r16, %r2		/* %r9 - relocation offset */
+	sub	%r16, %r16, __image_copy_start
+
+/* Set up the stack */
+stack_setup:
+	mov	%sp, %r13
+	mov	%fp, %sp
+
+/* Check if monitor is loaded right in place for relocation */
+	mov	%r0, __image_copy_start
+	cmp	%r0, %r15		/* skip relocation if code loaded */
+	bz	do_board_init_r		/* in target location already */
+
+/* Copy data (__image_copy_start - __image_copy_end) to new location */
+	mov	%r1, %r15
+	mov	%r2, __image_copy_end
+	sub	%r2, %r2, %r0		/* r3 <- amount of bytes to copy */
+	asr	%r2, %r2, 2		/* r3 <- amount of words to copy */
+	mov	%lp_count, %r2
+	lp	copy_end
+	ld.ab	%r2,[%r0,4]
+	st.ab	%r2,[%r1,4]
+copy_end:
+
+/* Fix relocations related issues */
+	bl	do_elf_reloc_fixups
+#ifndef CONFIG_SYS_ICACHE_OFF
+	bl	invalidate_icache_all
+#endif
+#ifndef CONFIG_SYS_DCACHE_OFF
+	bl	flush_dcache_all
+#endif
+
+/* Update position of intterupt vector table */
+	lr	%r0, [ARC_AUX_INTR_VEC_BASE]	/* Read current position */
+	add	%r0, %r0, %r16			/* Update address */
+	sr	%r0, [ARC_AUX_INTR_VEC_BASE]	/* Write new position */
+
+do_board_init_r:
+/* Prepare for exection of "board_init_r" in relocated monitor */
+	mov	%r2, board_init_r	/* old address of "board_init_r()" */
+	add	%r2, %r2, %r16		/* new address of "board_init_r()" */
+	mov	%r0, %r14		/* 1-st parameter: gd_t */
+	mov	%r1, %r15		/* 2-nd parameter: dest_addr */
+	j	[%r2]

arch/arc/include/asm/arcregs.h

@@ -7,6 +7,8 @@
 #ifndef _ASM_ARC_ARCREGS_H
 #define _ASM_ARC_ARCREGS_H
 
+#include <asm/cache.h>
+
 /*
  * ARC architecture has additional address space - auxiliary registers.
  * These registers are mostly used for configuration purposes.
@@ -21,7 +23,7 @@
 #define ARC_AUX_IC_IVIC		0x10
 #define ARC_AUX_IC_CTRL		0x11
 #define ARC_AUX_IC_IVIL		0x19
-#if (CONFIG_ARC_MMU_VER > 2)
+#if (CONFIG_ARC_MMU_VER == 3)
 #define ARC_AUX_IC_PTAG		0x1E
 #endif
 #define ARC_BCR_IC_BUILD	0x77
@@ -40,7 +42,7 @@
 #define ARC_AUX_DC_IVDL		0x4A
 #define ARC_AUX_DC_FLSH		0x4B
 #define ARC_AUX_DC_FLDL		0x4C
-#if (CONFIG_ARC_MMU_VER > 2)
+#if (CONFIG_ARC_MMU_VER == 3)
 #define ARC_AUX_DC_PTAG		0x5C
 #endif
 #define ARC_BCR_DC_BUILD	0x72

arch/arc/include/asm/cache.h

@@ -9,15 +9,22 @@
 
 #include <config.h>
 
-/*
- * The current upper bound for ARC L1 data cache line sizes is 128 bytes.
- * We use that value for aligning DMA buffers unless the board config has
- * specified an alternate cache line size.
- */
-#ifdef CONFIG_SYS_CACHELINE_SIZE
-#define ARCH_DMA_MINALIGN	CONFIG_SYS_CACHELINE_SIZE
+#ifdef CONFIG_ARC_CACHE_LINE_SHIFT
+#define CONFIG_SYS_CACHELINE_SIZE	(1 << CONFIG_ARC_CACHE_LINE_SHIFT)
+#define ARCH_DMA_MINALIGN		CONFIG_SYS_CACHELINE_SIZE
 #else
-#define ARCH_DMA_MINALIGN	128
+/* Satisfy users of ARCH_DMA_MINALIGN */
+#define ARCH_DMA_MINALIGN		128
+#endif
+
+#if defined(ARC_MMU_ABSENT)
+#define CONFIG_ARC_MMU_VER 0
+#elif defined(CONFIG_ARC_MMU_V2)
+#define CONFIG_ARC_MMU_VER 2
+#elif defined(CONFIG_ARC_MMU_V3)
+#define CONFIG_ARC_MMU_VER 3
+#elif defined(CONFIG_ARC_MMU_V4)
+#define CONFIG_ARC_MMU_VER 4
 #endif
 
 #endif /* __ASM_ARC_CACHE_H */

arch/arc/include/asm/config.h

@@ -7,8 +7,10 @@
 #ifndef __ASM_ARC_CONFIG_H_
 #define __ASM_ARC_CONFIG_H_
 
+#define CONFIG_SYS_GENERIC_BOARD
 #define CONFIG_SYS_GENERIC_GLOBAL_DATA
 #define CONFIG_SYS_BOOT_RAMDISK_HIGH
+#define CONFIG_ARCH_EARLY_INIT_R
 
 #define CONFIG_LMB
 

arch/arc/lib/Makefile

@@ -20,3 +20,5 @@ obj-y += reset.o
 obj-y += timer.o
 
 obj-$(CONFIG_CMD_BOOTM) += bootm.o
+
+lib-$(CONFIG_USE_PRIVATE_LIBGCC) += _millicodethunk.o libgcc2.o

arch/arc/lib/_millicodethunk.S

@@ -0,0 +1,226 @@
+/*
+ * Copyright (C) 1995, 1997, 2007-2013 Free Software Foundation, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+ /* ANSI concatenation macros.  */
+
+ #define CONCAT1(a, b) CONCAT2(a, b)
+ #define CONCAT2(a, b) a ## b
+
+ /* Use the right prefix for global labels.  */
+
+ #define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
+
+#ifndef WORKING_ASSEMBLER
+#define abs_l abs
+#define asl_l asl
+#define mov_l mov
+#endif
+
+#define FUNC(X)         .type SYM(X),@function
+#define HIDDEN_FUNC(X)	FUNC(X)` .hidden X
+#define ENDFUNC0(X)     .Lfe_##X: .size X,.Lfe_##X-X
+#define ENDFUNC(X)      ENDFUNC0(X)
+
+	.section .text
+	.align 4
+	.global SYM(__st_r13_to_r15)
+	.global SYM(__st_r13_to_r16)
+	.global SYM(__st_r13_to_r17)
+	.global SYM(__st_r13_to_r18)
+	.global SYM(__st_r13_to_r19)
+	.global SYM(__st_r13_to_r20)
+	.global SYM(__st_r13_to_r21)
+	.global SYM(__st_r13_to_r22)
+	.global SYM(__st_r13_to_r23)
+	.global SYM(__st_r13_to_r24)
+	.global SYM(__st_r13_to_r25)
+	HIDDEN_FUNC(__st_r13_to_r15)
+	HIDDEN_FUNC(__st_r13_to_r16)
+	HIDDEN_FUNC(__st_r13_to_r17)
+	HIDDEN_FUNC(__st_r13_to_r18)
+	HIDDEN_FUNC(__st_r13_to_r19)
+	HIDDEN_FUNC(__st_r13_to_r20)
+	HIDDEN_FUNC(__st_r13_to_r21)
+	HIDDEN_FUNC(__st_r13_to_r22)
+	HIDDEN_FUNC(__st_r13_to_r23)
+	HIDDEN_FUNC(__st_r13_to_r24)
+	HIDDEN_FUNC(__st_r13_to_r25)
+	.align 4
+SYM(__st_r13_to_r25):
+	st r25, [sp,48]
+SYM(__st_r13_to_r24):
+	st r24, [sp,44]
+SYM(__st_r13_to_r23):
+	st r23, [sp,40]
+SYM(__st_r13_to_r22):
+	st r22, [sp,36]
+SYM(__st_r13_to_r21):
+	st r21, [sp,32]
+SYM(__st_r13_to_r20):
+	st r20, [sp,28]
+SYM(__st_r13_to_r19):
+	st r19, [sp,24]
+SYM(__st_r13_to_r18):
+	st r18, [sp,20]
+SYM(__st_r13_to_r17):
+	st r17, [sp,16]
+SYM(__st_r13_to_r16):
+	st r16, [sp,12]
+SYM(__st_r13_to_r15):
+#ifdef __ARC700__
+	st r15, [sp,8] ; minimum function size to avoid stall: 6 bytes.
+#else
+	st_s r15, [sp,8]
+#endif
+	st_s r14, [sp,4]
+	j_s.d [%blink]
+	st_s r13, [sp,0]
+	ENDFUNC(__st_r13_to_r15)
+	ENDFUNC(__st_r13_to_r16)
+	ENDFUNC(__st_r13_to_r17)
+	ENDFUNC(__st_r13_to_r18)
+	ENDFUNC(__st_r13_to_r19)
+	ENDFUNC(__st_r13_to_r20)
+	ENDFUNC(__st_r13_to_r21)
+	ENDFUNC(__st_r13_to_r22)
+	ENDFUNC(__st_r13_to_r23)
+	ENDFUNC(__st_r13_to_r24)
+	ENDFUNC(__st_r13_to_r25)
+
+	.section .text
+	.align 4
+;	==================================
+;	the loads
+
+	.global SYM(__ld_r13_to_r15)
+	.global SYM(__ld_r13_to_r16)
+	.global SYM(__ld_r13_to_r17)
+	.global SYM(__ld_r13_to_r18)
+	.global SYM(__ld_r13_to_r19)
+	.global SYM(__ld_r13_to_r20)
+	.global SYM(__ld_r13_to_r21)
+	.global SYM(__ld_r13_to_r22)
+	.global SYM(__ld_r13_to_r23)
+	.global SYM(__ld_r13_to_r24)
+	.global SYM(__ld_r13_to_r25)
+	HIDDEN_FUNC(__ld_r13_to_r15)
+	HIDDEN_FUNC(__ld_r13_to_r16)
+	HIDDEN_FUNC(__ld_r13_to_r17)
+	HIDDEN_FUNC(__ld_r13_to_r18)
+	HIDDEN_FUNC(__ld_r13_to_r19)
+	HIDDEN_FUNC(__ld_r13_to_r20)
+	HIDDEN_FUNC(__ld_r13_to_r21)
+	HIDDEN_FUNC(__ld_r13_to_r22)
+	HIDDEN_FUNC(__ld_r13_to_r23)
+	HIDDEN_FUNC(__ld_r13_to_r24)
+	HIDDEN_FUNC(__ld_r13_to_r25)
+SYM(__ld_r13_to_r25):
+	ld r25, [sp,48]
+SYM(__ld_r13_to_r24):
+	ld r24, [sp,44]
+SYM(__ld_r13_to_r23):
+	ld r23, [sp,40]
+SYM(__ld_r13_to_r22):
+	ld r22, [sp,36]
+SYM(__ld_r13_to_r21):
+	ld r21, [sp,32]
+SYM(__ld_r13_to_r20):
+	ld r20, [sp,28]
+SYM(__ld_r13_to_r19):
+	ld r19, [sp,24]
+SYM(__ld_r13_to_r18):
+	ld r18, [sp,20]
+SYM(__ld_r13_to_r17):
+	ld r17, [sp,16]
+SYM(__ld_r13_to_r16):
+	ld r16, [sp,12]
+SYM(__ld_r13_to_r15):
+#ifdef __ARC700__
+	ld r15, [sp,8] ; minimum function size to avoid stall: 6 bytes.
+#else
+	ld_s r15, [sp,8]
+#endif
+	ld_s r14, [sp,4]
+	j_s.d [%blink]
+	ld_s r13, [sp,0]
+	ENDFUNC(__ld_r13_to_r15)
+	ENDFUNC(__ld_r13_to_r16)
+	ENDFUNC(__ld_r13_to_r17)
+	ENDFUNC(__ld_r13_to_r18)
+	ENDFUNC(__ld_r13_to_r19)
+	ENDFUNC(__ld_r13_to_r20)
+	ENDFUNC(__ld_r13_to_r21)
+	ENDFUNC(__ld_r13_to_r22)
+	ENDFUNC(__ld_r13_to_r23)
+	ENDFUNC(__ld_r13_to_r24)
+	ENDFUNC(__ld_r13_to_r25)
+
+	.global SYM(__ld_r13_to_r14_ret)
+	.global SYM(__ld_r13_to_r15_ret)
+	.global SYM(__ld_r13_to_r16_ret)
+	.global SYM(__ld_r13_to_r17_ret)
+	.global SYM(__ld_r13_to_r18_ret)
+	.global SYM(__ld_r13_to_r19_ret)
+	.global SYM(__ld_r13_to_r20_ret)
+	.global SYM(__ld_r13_to_r21_ret)
+	.global SYM(__ld_r13_to_r22_ret)
+	.global SYM(__ld_r13_to_r23_ret)
+	.global SYM(__ld_r13_to_r24_ret)
+	.global SYM(__ld_r13_to_r25_ret)
+	HIDDEN_FUNC(__ld_r13_to_r14_ret)
+	HIDDEN_FUNC(__ld_r13_to_r15_ret)
+	HIDDEN_FUNC(__ld_r13_to_r16_ret)
+	HIDDEN_FUNC(__ld_r13_to_r17_ret)
+	HIDDEN_FUNC(__ld_r13_to_r18_ret)
+	HIDDEN_FUNC(__ld_r13_to_r19_ret)
+	HIDDEN_FUNC(__ld_r13_to_r20_ret)
+	HIDDEN_FUNC(__ld_r13_to_r21_ret)
+	HIDDEN_FUNC(__ld_r13_to_r22_ret)
+	HIDDEN_FUNC(__ld_r13_to_r23_ret)
+	HIDDEN_FUNC(__ld_r13_to_r24_ret)
+	HIDDEN_FUNC(__ld_r13_to_r25_ret)
+	.section .text
+	.align 4
+SYM(__ld_r13_to_r25_ret):
+	ld r25, [sp,48]
+SYM(__ld_r13_to_r24_ret):
+	ld r24, [sp,44]
+SYM(__ld_r13_to_r23_ret):
+	ld r23, [sp,40]
+SYM(__ld_r13_to_r22_ret):
+	ld r22, [sp,36]
+SYM(__ld_r13_to_r21_ret):
+	ld r21, [sp,32]
+SYM(__ld_r13_to_r20_ret):
+	ld r20, [sp,28]
+SYM(__ld_r13_to_r19_ret):
+	ld r19, [sp,24]
+SYM(__ld_r13_to_r18_ret):
+	ld r18, [sp,20]
+SYM(__ld_r13_to_r17_ret):
+	ld r17, [sp,16]
+SYM(__ld_r13_to_r16_ret):
+	ld r16, [sp,12]
+SYM(__ld_r13_to_r15_ret):
+	ld r15, [sp,8]
+SYM(__ld_r13_to_r14_ret):
+	ld blink,[sp,r12]
+	ld_s r14, [sp,4]
+	ld.ab r13, [sp,r12]
+	j_s.d [%blink]
+	add_s sp,sp,4
+	ENDFUNC(__ld_r13_to_r14_ret)
+	ENDFUNC(__ld_r13_to_r15_ret)
+	ENDFUNC(__ld_r13_to_r16_ret)
+	ENDFUNC(__ld_r13_to_r17_ret)
+	ENDFUNC(__ld_r13_to_r18_ret)
+	ENDFUNC(__ld_r13_to_r19_ret)
+	ENDFUNC(__ld_r13_to_r20_ret)
+	ENDFUNC(__ld_r13_to_r21_ret)
+	ENDFUNC(__ld_r13_to_r22_ret)
+	ENDFUNC(__ld_r13_to_r23_ret)
+	ENDFUNC(__ld_r13_to_r24_ret)
+	ENDFUNC(__ld_r13_to_r25_ret)

arch/arc/lib/cache.c

@@ -6,6 +6,7 @@
 
 #include <config.h>
 #include <asm/arcregs.h>
+#include <asm/cache.h>
 
 /* Bit values in IC_CTRL */
 #define IC_CTRL_CACHE_DISABLE	(1 << 0)
@@ -101,7 +102,7 @@ void flush_dcache_all(void)
 #ifndef CONFIG_SYS_DCACHE_OFF
 static void dcache_flush_line(unsigned addr)
 {
-#if (CONFIG_ARC_MMU_VER > 2)
+#if (CONFIG_ARC_MMU_VER == 3)
 	write_aux_reg(ARC_AUX_DC_PTAG, addr);
 #endif
 	write_aux_reg(ARC_AUX_DC_FLDL, addr);
@@ -115,7 +116,7 @@ static void dcache_flush_line(unsigned addr)
 	 * Invalidate I$ for addresses range just flushed from D$.
 	 * If we try to execute data flushed above it will be valid/correct
 	 */
-#if (CONFIG_ARC_MMU_VER > 2)
+#if (CONFIG_ARC_MMU_VER == 3)
 	write_aux_reg(ARC_AUX_IC_PTAG, addr);
 #endif
 	write_aux_reg(ARC_AUX_IC_IVIL, addr);
@@ -145,7 +146,7 @@ void invalidate_dcache_range(unsigned long start, unsigned long end)
 	end = end & (~(CONFIG_SYS_CACHELINE_SIZE - 1));
 
 	for (addr = start; addr <= end; addr += CONFIG_SYS_CACHELINE_SIZE) {
-#if (CONFIG_ARC_MMU_VER > 2)
+#if (CONFIG_ARC_MMU_VER == 3)
 		write_aux_reg(ARC_AUX_DC_PTAG, addr);
 #endif
 		write_aux_reg(ARC_AUX_DC_IVDL, addr);

arch/arc/lib/libgcc2.c

@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 1989-2013 Free Software Foundation, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include "libgcc2.h"
+
+DWtype
+__ashldi3(DWtype u, shift_count_type b)
+{
+	if (b == 0)
+		return u;
+
+	const DWunion uu = {.ll = u};
+	const shift_count_type bm = W_TYPE_SIZE - b;
+	DWunion w;
+
+	if (bm <= 0) {
+		w.s.low = 0;
+		w.s.high = (UWtype)uu.s.low << -bm;
+	} else {
+		const UWtype carries = (UWtype) uu.s.low >> bm;
+
+		w.s.low = (UWtype)uu.s.low << b;
+		w.s.high = ((UWtype)uu.s.high << b) | carries;
+	}
+
+	return w.ll;
+}
+
+DWtype
+__ashrdi3(DWtype u, shift_count_type b)
+{
+	if (b == 0)
+		return u;
+
+	const DWunion uu = {.ll = u};
+	const shift_count_type bm = W_TYPE_SIZE - b;
+	DWunion w;
+
+	if (bm <= 0) {
+		/* w.s.high = 1..1 or 0..0 */
+		w.s.high = uu.s.high >> (W_TYPE_SIZE - 1);
+		w.s.low = uu.s.high >> -bm;
+	} else {
+		const UWtype carries = (UWtype) uu.s.high << bm;
+
+		w.s.high = uu.s.high >> b;
+		w.s.low = ((UWtype)uu.s.low >> b) | carries;
+	}
+
+	return w.ll;
+}
+
+DWtype
+__lshrdi3(DWtype u, shift_count_type b)
+{
+	if (b == 0)
+		return u;
+
+	const DWunion uu = {.ll = u};
+	const shift_count_type bm = W_TYPE_SIZE - b;
+	DWunion w;
+
+	if (bm <= 0) {
+		w.s.high = 0;
+		w.s.low = (UWtype)uu.s.high >> -bm;
+	} else {
+		const UWtype carries = (UWtype)uu.s.high << bm;
+
+		w.s.high = (UWtype)uu.s.high >> b;
+		w.s.low = ((UWtype)uu.s.low >> b) | carries;
+	}
+
+	return w.ll;
+}
+
+unsigned long
+udivmodsi4(unsigned long num, unsigned long den, int modwanted)
+{
+	unsigned long bit = 1;
+	unsigned long res = 0;
+
+	while (den < num && bit && !(den & (1L<<31))) {
+		den <<= 1;
+		bit <<= 1;
+	}
+
+	while (bit) {
+		if (num >= den) {
+			num -= den;
+			res |= bit;
+		}
+		bit >>= 1;
+		den >>= 1;
+	}
+
+	if (modwanted)
+		return num;
+
+	return res;
+}
+
+long
+__divsi3(long a, long b)
+{
+	int neg = 0;
+	long res;
+
+	if (a < 0) {
+		a = -a;
+		neg = !neg;
+	}
+
+	if (b < 0) {
+		b = -b;
+		neg = !neg;
+	}
+
+	res = udivmodsi4(a, b, 0);
+
+	if (neg)
+		res = -res;
+
+	return res;
+}
+
+long
+__modsi3(long a, long b)
+{
+	int neg = 0;
+	long res;
+
+	if (a < 0) {
+		a = -a;
+		neg = 1;
+	}
+
+	if (b < 0)
+		b = -b;
+
+	res = udivmodsi4(a, b, 1);
+
+	if (neg)
+		res = -res;
+
+	return res;
+}
+
+long
+__udivsi3(long a, long b)
+{
+	return udivmodsi4(a, b, 0);
+}
+
+long
+__umodsi3(long a, long b)
+{
+	return udivmodsi4(a, b, 1);
+}

arch/arc/lib/libgcc2.h

@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 1989-2013 Free Software Foundation, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __ASM_LIBGCC_H
+#define __ASM_LIBGCC_H
+
+#define UNITS_PER_WORD 4	/* for ARC */
+#define BITS_PER_UNIT 8		/* for ARC */
+
+#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
+
+#define MIN_UNITS_PER_WORD UNITS_PER_WORD
+
+/* Work out the largest "word" size that we can deal with on this target.  */
+#if MIN_UNITS_PER_WORD > 4
+# define LIBGCC2_MAX_UNITS_PER_WORD 8
+#elif (MIN_UNITS_PER_WORD > 2 \
+       || (MIN_UNITS_PER_WORD > 1 && __SIZEOF_LONG_LONG__ > 4))
+# define LIBGCC2_MAX_UNITS_PER_WORD 4
+#else
+# define LIBGCC2_MAX_UNITS_PER_WORD MIN_UNITS_PER_WORD
+#endif
+
+/* Work out what word size we are using for this compilation.
+   The value can be set on the command line.  */
+#ifndef LIBGCC2_UNITS_PER_WORD
+#define LIBGCC2_UNITS_PER_WORD LIBGCC2_MAX_UNITS_PER_WORD
+#endif
+
+typedef		 int QItype	__attribute__ ((mode (QI)));
+typedef unsigned int UQItype	__attribute__ ((mode (QI)));
+typedef		 int HItype	__attribute__ ((mode (HI)));
+typedef unsigned int UHItype	__attribute__ ((mode (HI)));
+#if MIN_UNITS_PER_WORD > 1
+/* These typedefs are usually forbidden on dsp's with UNITS_PER_WORD 1.  */
+typedef 	 int SItype	__attribute__ ((mode (SI)));
+typedef unsigned int USItype	__attribute__ ((mode (SI)));
+#if __SIZEOF_LONG_LONG__ > 4
+/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 2.  */
+typedef		 int DItype	__attribute__ ((mode (DI)));
+typedef unsigned int UDItype	__attribute__ ((mode (DI)));
+#if MIN_UNITS_PER_WORD > 4
+/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 4.  */
+typedef		 int TItype	__attribute__ ((mode (TI)));
+typedef unsigned int UTItype	__attribute__ ((mode (TI)));
+#endif
+#endif
+#endif
+
+#if LIBGCC2_UNITS_PER_WORD == 8
+#define W_TYPE_SIZE (8 * BITS_PER_UNIT)
+#define Wtype	DItype
+#define UWtype	UDItype
+#define HWtype	DItype
+#define UHWtype	UDItype
+#define DWtype	TItype
+#define UDWtype	UTItype
+#ifdef LIBGCC2_GNU_PREFIX
+#define __NW(a,b)	__gnu_ ## a ## di ## b
+#define __NDW(a,b)	__gnu_ ## a ## ti ## b
+#else
+#define __NW(a,b)	__ ## a ## di ## b
+#define __NDW(a,b)	__ ## a ## ti ## b
+#endif
+#elif LIBGCC2_UNITS_PER_WORD == 4
+#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
+#define Wtype	SItype
+#define UWtype	USItype
+#define HWtype	SItype
+#define UHWtype	USItype
+#define DWtype	DItype
+#define UDWtype	UDItype
+#ifdef LIBGCC2_GNU_PREFIX
+#define __NW(a,b)	__gnu_ ## a ## si ## b
+#define __NDW(a,b)	__gnu_ ## a ## di ## b
+#else
+#define __NW(a,b)	__ ## a ## si ## b
+#define __NDW(a,b)	__ ## a ## di ## b
+#endif
+#elif LIBGCC2_UNITS_PER_WORD == 2
+#define W_TYPE_SIZE (2 * BITS_PER_UNIT)
+#define Wtype	HItype
+#define UWtype	UHItype
+#define HWtype	HItype
+#define UHWtype	UHItype
+#define DWtype	SItype
+#define UDWtype	USItype
+#ifdef LIBGCC2_GNU_PREFIX
+#define __NW(a,b)	__gnu_ ## a ## hi ## b
+#define __NDW(a,b)	__gnu_ ## a ## si ## b
+#else
+#define __NW(a,b)	__ ## a ## hi ## b
+#define __NDW(a,b)	__ ## a ## si ## b
+#endif
+#else
+#define W_TYPE_SIZE BITS_PER_UNIT
+#define Wtype	QItype
+#define UWtype  UQItype
+#define HWtype	QItype
+#define UHWtype	UQItype
+#define DWtype	HItype
+#define UDWtype	UHItype
+#ifdef LIBGCC2_GNU_PREFIX
+#define __NW(a,b)	__gnu_ ## a ## qi ## b
+#define __NDW(a,b)	__gnu_ ## a ## hi ## b
+#else
+#define __NW(a,b)	__ ## a ## qi ## b
+#define __NDW(a,b)	__ ## a ## hi ## b
+#endif
+#endif
+
+typedef int shift_count_type __attribute__((mode (__libgcc_shift_count__)));
+
+#if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
+	struct DWstruct {Wtype high, low;};
+#else
+	struct DWstruct {Wtype low, high;};
+#endif
+
+/* We need this union to unpack/pack DImode values, since we don't have
+   any arithmetic yet.  Incoming DImode parameters are stored into the
+   `ll' field, and the unpacked result is read from the struct `s'.  */
+
+typedef union {
+	struct DWstruct s;
+	DWtype ll;
+} DWunion;
+
+#endif /* __ASM_LIBGCC_H */

arch/arc/lib/memcmp.S

@@ -29,6 +29,7 @@ memcmp:
 	ld.a	%r4, [%r0, 8]
 	ld.a	%r5, [%r1, 8]
 	brne	WORD2, %r12, .Lodd
+	nop
 .Loop_end:
 	asl_s	SHIFT, SHIFT, 3
 	bhs_s	.Last_cmp
@@ -105,6 +106,7 @@ memcmp:
 	ldb.a	%r4, [%r0, 2]
 	ldb.a	%r5, [%r1, 2]
 	brne	%r3, %r12, .Lbyte_odd
+	nop
 .Lbyte_end:
 	bcc	.Lbyte_even
 	brne	%r4, %r5, .Lbyte_even

arch/arm/Kconfig

@@ -51,6 +51,13 @@ config SYS_CPU
         default "sa1100" if CPU_SA1100
 	default "armv8" if ARM64
 
+config SEMIHOSTING
+	bool "support boot from semihosting"
+	help
+	  In emulated environments, semihosting is a way for
+	  the hosted environment to call out to the emulator to
+	  retrieve files from the host machine.
+
 choice
 	prompt "Target select"
 
@@ -70,17 +77,8 @@ config TARGET_A320EVB
 	bool "Support a320evb"
 	select CPU_ARM920T
 
-config TARGET_AT91RM9200EK
-	bool "Support at91rm9200ek"
-	select CPU_ARM920T
-
-config TARGET_EB_CPUX9K2
-	bool "Support eb_cpux9k2"
-	select CPU_ARM920T
-
-config TARGET_CPUAT91
-	bool "Support cpuat91"
-	select CPU_ARM920T
+config ARCH_AT91
+	bool "Atmel AT91"
 
 config TARGET_EDB93XX
 	bool "Support edb93xx"
@@ -122,100 +120,6 @@ config TARGET_GPLUGD
 	bool "Support gplugd"
 	select CPU_ARM926EJS
 
-config TARGET_AFEB9260
-	bool "Support afeb9260"
-	select CPU_ARM926EJS
-
-config TARGET_AT91SAM9260EK
-	bool "Support at91sam9260ek"
-	select CPU_ARM926EJS
-
-config TARGET_AT91SAM9261EK
-	bool "Support at91sam9261ek"
-	select CPU_ARM926EJS
-
-config TARGET_AT91SAM9263EK
-	bool "Support at91sam9263ek"
-	select CPU_ARM926EJS
-
-config TARGET_AT91SAM9M10G45EK
-	bool "Support at91sam9m10g45ek"
-	select CPU_ARM926EJS
-
-config TARGET_AT91SAM9N12EK
-	bool "Support at91sam9n12ek"
-	select CPU_ARM926EJS
-
-config TARGET_AT91SAM9RLEK
-	bool "Support at91sam9rlek"
-	select CPU_ARM926EJS
-
-config TARGET_AT91SAM9X5EK
-	bool "Support at91sam9x5ek"
-	select CPU_ARM926EJS
-
-config TARGET_SNAPPER9260
-	bool "Support snapper9260"
-	select CPU_ARM926EJS
-
-config TARGET_VL_MA2SC
-	bool "Support vl_ma2sc"
-	select CPU_ARM926EJS
-
-config TARGET_SBC35_A9G20
-	bool "Support sbc35_a9g20"
-	select CPU_ARM926EJS
-
-config TARGET_TNY_A9260
-	bool "Support tny_a9260"
-	select CPU_ARM926EJS
-
-config TARGET_USB_A9263
-	bool "Support usb_a9263"
-	select CPU_ARM926EJS
-
-config TARGET_ETHERNUT5
-	bool "Support ethernut5"
-	select CPU_ARM926EJS
-
-config TARGET_MEESC
-	bool "Support meesc"
-	select CPU_ARM926EJS
-
-config TARGET_OTC570
-	bool "Support otc570"
-	select CPU_ARM926EJS
-
-config TARGET_CPU9260
-	bool "Support cpu9260"
-	select CPU_ARM926EJS
-
-config TARGET_PM9261
-	bool "Support pm9261"
-	select CPU_ARM926EJS
-
-config TARGET_PM9263
-	bool "Support pm9263"
-	select CPU_ARM926EJS
-
-config TARGET_PM9G45
-	bool "Support pm9g45"
-	select CPU_ARM926EJS
-
-config TARGET_CORVUS
-	select SUPPORT_SPL
-	bool "Support corvus"
-	select CPU_ARM926EJS
-
-config TARGET_TAURUS
-	select SUPPORT_SPL
-	bool "Support taurus"
-	select CPU_ARM926EJS
-
-config TARGET_STAMP9G20
-	bool "Support stamp9g20"
-	select CPU_ARM926EJS
-
 config ARCH_DAVINCI
 	bool "TI DaVinci"
 	select CPU_ARM926EJS
@@ -229,10 +133,12 @@ config KIRKWOOD
 config TARGET_DB_MV784MP_GP
 	bool "Support db-mv784mp-gp"
 	select CPU_V7
+	select SUPPORT_SPL
 
 config TARGET_MAXBCM
 	bool "Support maxbcm"
 	select CPU_V7
+	select SUPPORT_SPL
 
 config TARGET_DEVKIT3250
 	bool "Support devkit3250"
@@ -404,6 +310,10 @@ config TARGET_RPI
 	bool "Support rpi"
 	select CPU_ARM1176
 
+config TARGET_RPI_2
+	bool "Support rpi_2"
+	select CPU_V7
+
 config TARGET_TNETV107X_EVM
 	bool "Support tnetv107x_evm"
 	select CPU_ARM1176
@@ -505,24 +415,6 @@ config TARGET_TI816X_EVM
 	select CPU_V7
 	select SUPPORT_SPL
 
-config TARGET_SAMA5D3_XPLAINED
-	bool "Support sama5d3_xplained"
-	select CPU_V7
-	select SUPPORT_SPL
-
-config TARGET_SAMA5D3XEK
-	bool "Support sama5d3xek"
-	select CPU_V7
-	select SUPPORT_SPL
-
-config TARGET_SAMA5D4_XPLAINED
-	bool "Support sama5d4_xplained"
-	select CPU_V7
-
-config TARGET_SAMA5D4EK
-	bool "Support sama5d4ek"
-	select CPU_V7
-
 config TARGET_BCM28155_AP
 	bool "Support bcm28155_ap"
 	select CPU_V7
@@ -637,6 +529,7 @@ config TARGET_MX6SLEVK
 config TARGET_MX6SXSABRESD
 	bool "Support mx6sxsabresd"
 	select CPU_V7
+	select SUPPORT_SPL
 
 config TARGET_GW_VENTANA
 	bool "Support gw_ventana"
@@ -663,6 +556,17 @@ config TARGET_TQMA6
 config TARGET_OT1200
 	bool "Bachmann OT1200"
 	select CPU_V7
+	select SUPPORT_SPL
+
+config TARGET_PLATINUM_PICON
+	bool "Support platinum-picon"
+	select CPU_V7
+	select SUPPORT_SPL
+
+config TARGET_PLATINUM_TITANIUM
+	bool "Support platinum-titanium"
+	select CPU_V7
+	select SUPPORT_SPL
 
 config OMAP34XX
 	bool "OMAP34XX SoC"
@@ -720,10 +624,19 @@ config TEGRA
 	select CPU_ARM720T if SPL_BUILD
 	select CPU_V7 if !SPL_BUILD
 
-config TARGET_VEXPRESS_AEMV8A
+config TARGET_VEXPRESS64_AEMV8A
 	bool "Support vexpress_aemv8a"
 	select ARM64
 
+config TARGET_VEXPRESS64_BASE_FVP
+	bool "Support Versatile Express ARMv8a FVP BASE model"
+	select ARM64
+	select SEMIHOSTING
+
+config TARGET_VEXPRESS64_JUNO
+	bool "Support Versatile Express Juno Development Platform"
+	select ARM64
+
 config TARGET_LS2085A_EMU
 	bool "Support ls2085a_emu"
 	select ARM64
@@ -805,17 +718,21 @@ config ARCH_UNIPHIER
 
 endchoice
 
-source "arch/arm/cpu/arm926ejs/davinci/Kconfig"
+source "arch/arm/mach-at91/Kconfig"
+
+source "arch/arm/mach-davinci/Kconfig"
+
+source "arch/arm/cpu/arm1176/bcm2835/Kconfig"
 
 source "arch/arm/cpu/armv7/exynos/Kconfig"
 
-source "arch/arm/cpu/armv7/highbank/Kconfig"
+source "arch/arm/mach-highbank/Kconfig"
 
-source "arch/arm/cpu/armv7/keystone/Kconfig"
+source "arch/arm/mach-keystone/Kconfig"
 
-source "arch/arm/cpu/arm926ejs/kirkwood/Kconfig"
+source "arch/arm/mach-kirkwood/Kconfig"
 
-source "arch/arm/cpu/arm926ejs/nomadik/Kconfig"
+source "arch/arm/mach-nomadik/Kconfig"
 
 source "arch/arm/cpu/armv7/omap3/Kconfig"
 
@@ -823,17 +740,17 @@ source "arch/arm/cpu/armv7/omap4/Kconfig"
 
 source "arch/arm/cpu/armv7/omap5/Kconfig"
 
-source "arch/arm/cpu/arm926ejs/orion5x/Kconfig"
+source "arch/arm/mach-orion5x/Kconfig"
 
 source "arch/arm/cpu/armv7/rmobile/Kconfig"
 
 source "arch/arm/cpu/armv7/s5pc1xx/Kconfig"
 
-source "arch/arm/cpu/armv7/tegra-common/Kconfig"
+source "arch/arm/mach-tegra/Kconfig"
 
 source "arch/arm/cpu/armv7/uniphier/Kconfig"
 
-source "arch/arm/cpu/arm926ejs/versatile/Kconfig"
+source "arch/arm/mach-versatile/Kconfig"
 
 source "arch/arm/cpu/armv7/zynq/Kconfig"
 
@@ -842,43 +759,25 @@ source "arch/arm/cpu/armv7/Kconfig"
 source "board/aristainetos/Kconfig"
 source "board/BuR/kwb/Kconfig"
 source "board/BuR/tseries/Kconfig"
-source "board/BuS/eb_cpux9k2/Kconfig"
-source "board/BuS/vl_ma2sc/Kconfig"
 source "board/CarMediaLab/flea3/Kconfig"
 source "board/Marvell/aspenite/Kconfig"
 source "board/Marvell/db-mv784mp-gp/Kconfig"
 source "board/Marvell/dkb/Kconfig"
 source "board/Marvell/gplugd/Kconfig"
-source "board/afeb9260/Kconfig"
 source "board/altera/socfpga/Kconfig"
 source "board/armadeus/apf27/Kconfig"
 source "board/armltd/integrator/Kconfig"
 source "board/armltd/vexpress/Kconfig"
 source "board/armltd/vexpress64/Kconfig"
-source "board/atmel/at91rm9200ek/Kconfig"
-source "board/atmel/at91sam9260ek/Kconfig"
-source "board/atmel/at91sam9261ek/Kconfig"
-source "board/atmel/at91sam9263ek/Kconfig"
-source "board/atmel/at91sam9m10g45ek/Kconfig"
-source "board/atmel/at91sam9n12ek/Kconfig"
-source "board/atmel/at91sam9rlek/Kconfig"
-source "board/atmel/at91sam9x5ek/Kconfig"
-source "board/atmel/sama5d3_xplained/Kconfig"
-source "board/atmel/sama5d3xek/Kconfig"
-source "board/atmel/sama5d4_xplained/Kconfig"
-source "board/atmel/sama5d4ek/Kconfig"
 source "board/bachmann/ot1200/Kconfig"
 source "board/balloon3/Kconfig"
+source "board/barco/platinum/Kconfig"
 source "board/barco/titanium/Kconfig"
 source "board/bluegiga/apx4devkit/Kconfig"
-source "board/bluewater/snapper9260/Kconfig"
 source "board/boundary/nitrogen6x/Kconfig"
 source "board/broadcom/bcm28155_ap/Kconfig"
 source "board/broadcom/bcmcygnus/Kconfig"
 source "board/broadcom/bcmnsp/Kconfig"
-source "board/calao/sbc35_a9g20/Kconfig"
-source "board/calao/tny_a9260/Kconfig"
-source "board/calao/usb_a9263/Kconfig"
 source "board/cirrus/edb93xx/Kconfig"
 source "board/cm4008/Kconfig"
 source "board/cm41xx/Kconfig"
@@ -889,13 +788,8 @@ source "board/creative/xfi3/Kconfig"
 source "board/davedenx/qong/Kconfig"
 source "board/denx/m28evk/Kconfig"
 source "board/denx/m53evk/Kconfig"
-source "board/egnite/ethernut5/Kconfig"
 source "board/embest/mx6boards/Kconfig"
-source "board/esd/meesc/Kconfig"
-source "board/esd/otc570/Kconfig"
 source "board/esg/ima3-mx53/Kconfig"
-source "board/eukrea/cpu9260/Kconfig"
-source "board/eukrea/cpuat91/Kconfig"
 source "board/faraday/a320evb/Kconfig"
 source "board/freescale/ls2085a/Kconfig"
 source "board/freescale/ls1021aqds/Kconfig"
@@ -940,18 +834,14 @@ source "board/phytec/pcm051/Kconfig"
 source "board/ppcag/bg0900/Kconfig"
 source "board/pxa255_idp/Kconfig"
 source "board/raspberrypi/rpi/Kconfig"
-source "board/ronetix/pm9261/Kconfig"
-source "board/ronetix/pm9263/Kconfig"
-source "board/ronetix/pm9g45/Kconfig"
+source "board/raspberrypi/rpi_2/Kconfig"
 source "board/samsung/smdk2410/Kconfig"
 source "board/sandisk/sansa_fuze_plus/Kconfig"
 source "board/scb9328/Kconfig"
 source "board/schulercontrol/sc_sps_1/Kconfig"
-source "board/siemens/corvus/Kconfig"
 source "board/siemens/draco/Kconfig"
 source "board/siemens/pxm2/Kconfig"
 source "board/siemens/rut/Kconfig"
-source "board/siemens/taurus/Kconfig"
 source "board/silica/pengwyn/Kconfig"
 source "board/solidrun/hummingboard/Kconfig"
 source "board/spear/spear300/Kconfig"
@@ -965,7 +855,6 @@ source "board/st/stv0991/Kconfig"
 source "board/sunxi/Kconfig"
 source "board/syteco/jadecpu/Kconfig"
 source "board/syteco/zmx25/Kconfig"
-source "board/taskit/stamp9g20/Kconfig"
 source "board/tbs/tbs2910/Kconfig"
 source "board/ti/am335x/Kconfig"
 source "board/ti/am43xx/Kconfig"

arch/arm/Makefile

@@ -2,6 +2,27 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
+# Machine directory name.  This list is sorted alphanumerically
+# by CONFIG_* macro name.
+machine-$(CONFIG_ARCH_AT91)		+= at91
+machine-$(CONFIG_ARCH_DAVINCI)		+= davinci
+machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
+machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
+# TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
+machine-$(CONFIG_KIRKWOOD)		+= kirkwood
+# TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
+machine-$(CONFIG_ARCH_NOMADIK)		+= nomadik
+# TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
+machine-$(CONFIG_ORION5X)		+= orion5x
+machine-$(CONFIG_TEGRA)			+= tegra
+machine-$(CONFIG_ARCH_VERSATILE)	+= versatile
+
+machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
+
+PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
+
+libs-y += $(machdirs)
+
 head-y := arch/arm/cpu/$(CPU)/start.o
 
 ifeq ($(CONFIG_SPL_BUILD),y)
@@ -27,3 +48,6 @@ endif
 ifneq (,$(filter $(SOC), armada-xp kirkwood))
 libs-y += arch/arm/mvebu-common/
 endif
+
+# deprecated
+-include $(machdirs)/config.mk

arch/arm/cpu/Makefile

@@ -1,6 +1 @@
-obj-$(CONFIG_AT91FAMILY) += at91-common/
-obj-$(CONFIG_TEGRA20) += tegra20-common/
-obj-$(CONFIG_TEGRA30) += tegra30-common/
-obj-$(CONFIG_TEGRA114) += tegra114-common/
-obj-$(CONFIG_TEGRA124) += tegra124-common/
-obj-$(CONFIG_TEGRA) += tegra-common/
+obj- += dummy.o

arch/arm/cpu/arm1176/bcm2835/Kconfig

@@ -0,0 +1,12 @@
+if TARGET_RPI || TARGET_RPI_2
+
+config DM
+	default y if !SPL_BUILD
+
+config DM_SERIAL
+	default y if !SPL_BUILD
+
+config DM_GPIO
+	default y if !SPL_BUILD
+
+endif

arch/arm/cpu/arm1176/bcm2835/Makefile

@@ -1,15 +1,7 @@
 #
-# See file CREDITS for list of people who contributed to this
-# project.
+# (C) Copyright 2012 Stephen Warren
 #
-# 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.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+# SPDX-License-Identifier:	GPL-2.0
 #
 
 obj-y	:= lowlevel_init.o

arch/arm/cpu/arm720t/Makefile

@@ -7,9 +7,3 @@
 
 extra-y	= start.o
 obj-y	= interrupts.o cpu.o
-
-obj-$(CONFIG_TEGRA) += tegra-common/
-obj-$(CONFIG_TEGRA20) += tegra20/
-obj-$(CONFIG_TEGRA30) += tegra30/
-obj-$(CONFIG_TEGRA114) += tegra114/
-obj-$(CONFIG_TEGRA124) += tegra124/

arch/arm/cpu/arm720t/tegra-common/Makefile

@@ -1,11 +0,0 @@
-#
-# (C) Copyright 2010,2011 Nvidia Corporation.
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-obj-$(CONFIG_SPL_BUILD) += spl.o
-obj-y	+= cpu.o

arch/arm/cpu/arm720t/tegra114/Makefile

@@ -1,21 +0,0 @@
-#
-# Copyright (c) 2010-2013, NVIDIA CORPORATION.  All rights reserved.
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-
-#obj-y	+= cpu.o t11x.o
-obj-y	+= cpu.o

arch/arm/cpu/arm720t/tegra124/Makefile

@@ -1,8 +0,0 @@
-#
-# (C) Copyright 2013-2014
-# NVIDIA Corporation <www.nvidia.com>
-#
-# SPDX-License-Identifier:     GPL-2.0+
-#
-
-obj-y	+= cpu.o

arch/arm/cpu/arm720t/tegra20/Makefile

@@ -1,10 +0,0 @@
-#
-# (C) Copyright 2010,2011 Nvidia Corporation.
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-obj-y	+= cpu.o

arch/arm/cpu/arm720t/tegra30/Makefile

@@ -1,20 +0,0 @@
-#
-# Copyright (c) 2010-2012, NVIDIA CORPORATION.  All rights reserved.
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-
-obj-y	+= cpu.o

arch/arm/cpu/arm920t/Makefile

@@ -11,7 +11,6 @@ obj-y	+= cpu.o
 obj-$(CONFIG_USE_IRQ)	+= interrupts.o
 
 obj-$(if $(filter a320,$(SOC)),y) += a320/
-obj-$(CONFIG_AT91FAMILY) += at91/
 obj-$(CONFIG_EP93XX) += ep93xx/
 obj-$(CONFIG_IMX) += imx/
 obj-$(CONFIG_KS8695) += ks8695/

arch/arm/cpu/arm926ejs/Makefile

@@ -15,16 +15,10 @@ endif
 endif
 
 obj-$(CONFIG_ARMADA100) += armada100/
-obj-$(CONFIG_AT91FAMILY) += at91/
-obj-$(CONFIG_ARCH_DAVINCI) += davinci/
-obj-$(CONFIG_KIRKWOOD) += kirkwood/
 obj-$(if $(filter lpc32xx,$(SOC)),y) += lpc32xx/
 obj-$(CONFIG_MB86R0x) += mb86r0x/
 obj-$(CONFIG_MX25) += mx25/
 obj-$(CONFIG_MX27) += mx27/
 obj-$(if $(filter mxs,$(SOC)),y) += mxs/
-obj-$(CONFIG_ARCH_NOMADIK) += nomadik/
-obj-$(CONFIG_ORION5X) += orion5x/
 obj-$(CONFIG_PANTHEON) += pantheon/
 obj-$(if $(filter spear,$(SOC)),y) += spear/
-obj-$(CONFIG_ARCH_VERSATILE) += versatile/

arch/arm/cpu/arm926ejs/at91/at91cap9_devices.c

@@ -1,189 +0,0 @@
-/*
- * (C) Copyright 2007-2008
- * Stelian Pop <stelian@popies.net>
- * Lead Tech Design <www.leadtechdesign.com>
- *
- * (C) Copyright 2009
- * Daniel Gorsulowski <daniel.gorsulowski@esd.eu>
- * esd electronic system design gmbh <www.esd.eu>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/arch/at91_common.h>
-#include <asm/arch/at91_pmc.h>
-#include <asm/arch/gpio.h>
-#include <asm/arch/io.h>
-
-void at91_serial0_hw_init(void)
-{
-	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
-
-	at91_set_a_periph(AT91_PIO_PORTA, 22, 1);		/* TXD0 */
-	at91_set_a_periph(AT91_PIO_PORTA, 23, 0);		/* RXD0 */
-	writel(1 << AT91CAP9_ID_US0, &pmc->pcer);
-}
-
-void at91_serial1_hw_init(void)
-{
-	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
-
-	at91_set_a_periph(AT91_PIO_PORTD, 0, 1);		/* TXD1 */
-	at91_set_a_periph(AT91_PIO_PORTD, 1, 0);		/* RXD1 */
-	writel(1 << AT91CAP9_ID_US1, &pmc->pcer);
-}
-
-void at91_serial2_hw_init(void)
-{
-	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
-
-	at91_set_a_periph(AT91_PIO_PORTD, 2, 1);		/* TXD2 */
-	at91_set_a_periph(AT91_PIO_PORTD, 3, 0);		/* RXD2 */
-	writel(1 << AT91CAP9_ID_US2, &pmc->pcer);
-}
-
-void at91_serial3_hw_init(void)
-{
-	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
-
-	at91_set_a_periph(AT91_PIO_PORTC, 30, 0);		/* DRXD */
-	at91_set_a_periph(AT91_PIO_PORTC, 31, 1);		/* DTXD */
-	writel(1 << AT91_ID_SYS, &pmc->pcer);
-}
-
-void at91_serial_hw_init(void)
-{
-#ifdef CONFIG_USART0
-	at91_serial0_hw_init();
-#endif
-
-#ifdef CONFIG_USART1
-	at91_serial1_hw_init();
-#endif
-
-#ifdef CONFIG_USART2
-	at91_serial2_hw_init();
-#endif
-
-#ifdef CONFIG_USART3	/* DBGU */
-	at91_serial3_hw_init();
-#endif
-}
-
-#ifdef CONFIG_HAS_DATAFLASH
-void at91_spi0_hw_init(unsigned long cs_mask)
-{
-	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
-
-	at91_set_b_periph(AT91_PIO_PORTA, 0, 0);	/* SPI0_MISO */
-	at91_set_b_periph(AT91_PIO_PORTA, 1, 0);	/* SPI0_MOSI */
-	at91_set_b_periph(AT91_PIO_PORTA, 2, 0);	/* SPI0_SPCK */
-
-	/* Enable clock */
-	writel(1 << AT91CAP9_ID_SPI0, &pmc->pcer);
-
-	if (cs_mask & (1 << 0)) {
-		at91_set_b_periph(AT91_PIO_PORTA, 5, 1);
-	}
-	if (cs_mask & (1 << 1)) {
-		at91_set_b_periph(AT91_PIO_PORTA, 3, 1);
-	}
-	if (cs_mask & (1 << 2)) {
-		at91_set_b_periph(AT91_PIO_PORTD, 0, 1);
-	}
-	if (cs_mask & (1 << 3)) {
-		at91_set_b_periph(AT91_PIO_PORTD, 1, 1);
-	}
-	if (cs_mask & (1 << 4)) {
-		at91_set_pio_output(AT91_PIO_PORTA, 5, 1);
-	}
-	if (cs_mask & (1 << 5)) {
-		at91_set_pio_output(AT91_PIO_PORTA, 3, 1);
-	}
-	if (cs_mask & (1 << 6)) {
-		at91_set_pio_output(AT91_PIO_PORTD, 0, 1);
-	}
-	if (cs_mask & (1 << 7)) {
-		at91_set_pio_output(AT91_PIO_PORTD, 1, 1);
-	}
-}
-
-void at91_spi1_hw_init(unsigned long cs_mask)
-{
-	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
-
-	at91_set_a_periph(AT91_PIO_PORTB, 12, 0);	/* SPI1_MISO */
-	at91_set_a_periph(AT91_PIO_PORTB, 13, 0);	/* SPI1_MOSI */
-	at91_set_a_periph(AT91_PIO_PORTB, 14, 0);	/* SPI1_SPCK */
-
-	/* Enable clock */
-	writel(1 << AT91CAP9_ID_SPI1, &pmc->pcer);
-
-	if (cs_mask & (1 << 0)) {
-		at91_set_a_periph(AT91_PIO_PORTB, 15, 1);
-	}
-	if (cs_mask & (1 << 1)) {
-		at91_set_a_periph(AT91_PIO_PORTB, 16, 1);
-	}
-	if (cs_mask & (1 << 2)) {
-		at91_set_a_periph(AT91_PIO_PORTB, 17, 1);
-	}
-	if (cs_mask & (1 << 3)) {
-		at91_set_a_periph(AT91_PIO_PORTB, 18, 1);
-	}
-	if (cs_mask & (1 << 4)) {
-		at91_set_pio_output(AT91_PIO_PORTB, 15, 1);
-	}
-	if (cs_mask & (1 << 5)) {
-		at91_set_pio_output(AT91_PIO_PORTB, 16, 1);
-	}
-	if (cs_mask & (1 << 6)) {
-		at91_set_pio_output(AT91_PIO_PORTB, 17, 1);
-	}
-	if (cs_mask & (1 << 7)) {
-		at91_set_pio_output(AT91_PIO_PORTB, 18, 1);
-	}
-
-}
-#endif
-
-#ifdef CONFIG_MACB
-void at91_macb_hw_init(void)
-{
-	at91_set_a_periph(AT91_PIO_PORTB, 21, 0);	/* ETXCK_EREFCK */
-	at91_set_a_periph(AT91_PIO_PORTB, 22, 0);	/* ERXDV */
-	at91_set_a_periph(AT91_PIO_PORTB, 25, 0);	/* ERX0 */
-	at91_set_a_periph(AT91_PIO_PORTB, 26, 0);	/* ERX1 */
-	at91_set_a_periph(AT91_PIO_PORTB, 27, 0);	/* ERXER */
-	at91_set_a_periph(AT91_PIO_PORTB, 28, 0);	/* ETXEN */
-	at91_set_a_periph(AT91_PIO_PORTB, 23, 0);	/* ETX0 */
-	at91_set_a_periph(AT91_PIO_PORTB, 24, 0);	/* ETX1 */
-	at91_set_a_periph(AT91_PIO_PORTB, 30, 0);	/* EMDIO */
-	at91_set_a_periph(AT91_PIO_PORTB, 29, 0);	/* EMDC */
-
-#ifndef CONFIG_RMII
-	at91_set_b_periph(AT91_PIO_PORTC, 25, 0);	/* ECRS */
-	at91_set_b_periph(AT91_PIO_PORTC, 26, 0);	/* ECOL */
-	at91_set_b_periph(AT91_PIO_PORTC, 22, 0);	/* ERX2 */
-	at91_set_b_periph(AT91_PIO_PORTC, 23, 0);	/* ERX3 */
-	at91_set_b_periph(AT91_PIO_PORTC, 27, 0);	/* ERXCK */
-	at91_set_b_periph(AT91_PIO_PORTC, 20, 0);	/* ETX2 */
-	at91_set_b_periph(AT91_PIO_PORTC, 21, 0);	/* ETX3 */
-	at91_set_b_periph(AT91_PIO_PORTC, 24, 0);	/* ETXER */
-#endif
-}
-#endif
-
-#ifdef CONFIG_AT91_CAN
-void at91_can_hw_init(void)
-{
-	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
-
-	at91_set_a_periph(AT91_PIO_PORTA, 12, 0);	/* CAN_TX */
-	at91_set_a_periph(AT91_PIO_PORTA, 13, 1);	/* CAN_RX */
-
-	/* Enable clock */
-	writel(1 << AT91CAP9_ID_CAN, &pmc->pcer);
-}
-#endif

arch/arm/cpu/arm926ejs/at91/config.mk

@@ -1,2 +0,0 @@
-PF_CPPFLAGS_TUNE := $(call cc-option,-mtune=arm926ejs,)
-PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_TUNE)

arch/arm/cpu/arm926ejs/mxs/spl_boot.c

@@ -147,6 +147,7 @@ void mxs_common_spl_init(const uint32_t arg, const uint32_t *resptr,
 	mxs_iomux_setup_multiple_pads(iomux_setup, iomux_size);
 
 	mxs_spl_console_init();
+	debug("SPL: Serial Console Initialised\n");
 
 	mxs_power_init();
 
@@ -156,6 +157,11 @@ void mxs_common_spl_init(const uint32_t arg, const uint32_t *resptr,
 	data->boot_mode_idx = bootmode;
 
 	mxs_power_wait_pswitch();
+
+	if (mxs_boot_modes[data->boot_mode_idx].boot_pads == MXS_BM_JTAG) {
+		debug("SPL: Waiting for JTAG user\n");
+		asm volatile ("x: b x");
+	}
 }
 
 /* Support aparatus */

arch/arm/cpu/arm926ejs/mxs/spl_lradc_init.c

@@ -18,6 +18,8 @@ void mxs_lradc_init(void)
 {
 	struct mxs_lradc_regs *regs = (struct mxs_lradc_regs *)MXS_LRADC_BASE;
 
+	debug("SPL: Initialisating LRADC\n");
+
 	writel(LRADC_CTRL0_SFTRST, &regs->hw_lradc_ctrl0_clr);
 	writel(LRADC_CTRL0_CLKGATE, &regs->hw_lradc_ctrl0_clr);
 	writel(LRADC_CTRL0_ONCHIP_GROUNDREF, &regs->hw_lradc_ctrl0_clr);
@@ -37,9 +39,15 @@ void mxs_lradc_enable_batt_measurement(void)
 {
 	struct mxs_lradc_regs *regs = (struct mxs_lradc_regs *)MXS_LRADC_BASE;
 
+	debug("SPL: Enabling LRADC battery measurement\n");
+
 	/* Check if the channel is present at all. */
-	if (!(readl(&regs->hw_lradc_status) & LRADC_STATUS_CHANNEL7_PRESENT))
+	if (!(readl(&regs->hw_lradc_status) & LRADC_STATUS_CHANNEL7_PRESENT)) {
+		debug("SPL: LRADC channel 7 is not present - aborting\n");
 		return;
+	}
+
+	debug("SPL: LRADC channel 7 is present - configuring\n");
 
 	writel(LRADC_CTRL1_LRADC7_IRQ_EN, &regs->hw_lradc_ctrl1_clr);
 	writel(LRADC_CTRL1_LRADC7_IRQ, &regs->hw_lradc_ctrl1_clr);
@@ -65,6 +73,7 @@ void mxs_lradc_enable_batt_measurement(void)
 		100, &regs->hw_lradc_delay3);
 
 	writel(0xffffffff, &regs->hw_lradc_ch7_clr);
-
 	writel(LRADC_DELAY_KICK, &regs->hw_lradc_delay3_set);
+
+	debug("SPL: LRADC channel 7 configuration complete\n");
 }

arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c

@@ -92,6 +92,7 @@ static uint32_t dram_vals[] = {
 
 __weak void mxs_adjust_memory_params(uint32_t *dram_vals)
 {
+	debug("SPL: Using default SDRAM parameters\n");
 }
 
 #ifdef CONFIG_MX28
@@ -99,8 +100,10 @@ static void initialize_dram_values(void)
 {
 	int i;
 
+	debug("SPL: Setting mx28 board specific SDRAM parameters\n");
 	mxs_adjust_memory_params(dram_vals);
 
+	debug("SPL: Applying SDRAM parameters\n");
 	for (i = 0; i < ARRAY_SIZE(dram_vals); i++)
 		writel(dram_vals[i], MXS_DRAM_BASE + (4 * i));
 }
@@ -109,6 +112,7 @@ static void initialize_dram_values(void)
 {
 	int i;
 
+	debug("SPL: Setting mx23 board specific SDRAM parameters\n");
 	mxs_adjust_memory_params(dram_vals);
 
 	/*
@@ -120,6 +124,7 @@ static void initialize_dram_values(void)
 	 * HW_DRAM_CTL8 is setup as the last element.
 	 * So skip the initialization of these HW_DRAM_CTL registers.
 	 */
+	debug("SPL: Applying SDRAM parameters\n");
 	for (i = 0; i < ARRAY_SIZE(dram_vals); i++) {
 		if (i == 8 || i == 27 || i == 28 || i == 35)
 			continue;
@@ -146,6 +151,8 @@ static void mxs_mem_init_clock(void)
 	const unsigned char divider = 21;
 #endif
 
+	debug("SPL: Initialising FRAC0\n");
+
 	/* Gate EMI clock */
 	writeb(CLKCTRL_FRAC_CLKGATE,
 		&clkctrl_regs->hw_clkctrl_frac0_set[CLKCTRL_FRAC0_EMI]);
@@ -170,6 +177,7 @@ static void mxs_mem_init_clock(void)
 		&clkctrl_regs->hw_clkctrl_clkseq_clr);
 
 	early_delay(10000);
+	debug("SPL: FRAC0 Initialised\n");
 }
 
 static void mxs_mem_setup_cpu_and_hbus(void)
@@ -177,6 +185,8 @@ static void mxs_mem_setup_cpu_and_hbus(void)
 	struct mxs_clkctrl_regs *clkctrl_regs =
 		(struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
 
+	debug("SPL: Setting CPU and HBUS clock frequencies\n");
+
 	/* Set fractional divider for ref_cpu to 480 * 18 / 19 = 454MHz
 	 * and ungate CPU clock */
 	writeb(19 & CLKCTRL_FRAC_FRAC_MASK,
@@ -209,6 +219,8 @@ static void mxs_mem_setup_vdda(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Configuring VDDA\n");
+
 	writel((0xc << POWER_VDDACTRL_TRG_OFFSET) |
 		(0x7 << POWER_VDDACTRL_BO_OFFSET_OFFSET) |
 		POWER_VDDACTRL_LINREG_OFFSET_1STEPS_BELOW,
@@ -240,6 +252,8 @@ static void mx23_mem_setup_vddmem(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Setting mx23 VDDMEM\n");
+
 	/* We must wait before and after disabling the current limiter! */
 	early_delay(10000);
 
@@ -252,6 +266,8 @@ static void mx23_mem_setup_vddmem(void)
 
 static void mx23_mem_init(void)
 {
+	debug("SPL: Initialising mx23 SDRAM Controller\n");
+
 	/*
 	 * Reset/ungate the EMI block. This is essential, otherwise the system
 	 * suffers from memory instability. This thing is mx23 specific and is
@@ -297,6 +313,8 @@ static void mx28_mem_init(void)
 	struct mxs_pinctrl_regs *pinctrl_regs =
 		(struct mxs_pinctrl_regs *)MXS_PINCTRL_BASE;
 
+	debug("SPL: Initialising mx28 SDRAM Controller\n");
+
 	/* Set DDR2 mode */
 	writel(PINCTRL_EMI_DS_CTRL_DDR_MODE_DDR2,
 		&pinctrl_regs->hw_pinctrl_emi_ds_ctrl_set);

arch/arm/cpu/arm926ejs/mxs/spl_power_init.c

@@ -14,6 +14,13 @@
 
 #include "mxs_init.h"
 
+#ifdef CONFIG_SYS_MXS_VDD5V_ONLY
+#define DCDC4P2_DROPOUT_CONFIG	POWER_DCDC4P2_DROPOUT_CTRL_100MV | \
+				POWER_DCDC4P2_DROPOUT_CTRL_SRC_4P2
+#else
+#define DCDC4P2_DROPOUT_CONFIG	POWER_DCDC4P2_DROPOUT_CTRL_100MV | \
+				POWER_DCDC4P2_DROPOUT_CTRL_SRC_SEL
+#endif
 /**
  * mxs_power_clock2xtal() - Switch CPU core clock source to 24MHz XTAL
  *
@@ -26,6 +33,8 @@ static void mxs_power_clock2xtal(void)
 	struct mxs_clkctrl_regs *clkctrl_regs =
 		(struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
 
+	debug("SPL: Switching CPU clock to 24MHz XTAL\n");
+
 	/* Set XTAL as CPU reference clock */
 	writel(CLKCTRL_CLKSEQ_BYPASS_CPU,
 		&clkctrl_regs->hw_clkctrl_clkseq_set);
@@ -43,9 +52,23 @@ static void mxs_power_clock2pll(void)
 	struct mxs_clkctrl_regs *clkctrl_regs =
 		(struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
 
+	debug("SPL: Switching CPU core clock source to PLL\n");
+
+	/*
+	 * TODO: Are we really? It looks like we turn on PLL0, but we then
+	 * set the CLKCTRL_CLKSEQ_BYPASS_CPU bit of the (which was already
+	 * set by mxs_power_clock2xtal()). Clearing this bit here seems to
+	 * introduce some instability (causing the CPU core to hang). Maybe
+	 * we aren't giving PLL0 enough time to stabilise?
+	 */
 	setbits_le32(&clkctrl_regs->hw_clkctrl_pll0ctrl0,
 			CLKCTRL_PLL0CTRL0_POWER);
 	early_delay(100);
+
+	/*
+	 * TODO: Should the PLL0 FORCE_LOCK bit be set here followed be a
+	 * wait on the PLL0 LOCK bit?
+	 */
 	setbits_le32(&clkctrl_regs->hw_clkctrl_clkseq,
 			CLKCTRL_CLKSEQ_BYPASS_CPU);
 }
@@ -62,6 +85,8 @@ static void mxs_power_set_auto_restart(void)
 	struct mxs_rtc_regs *rtc_regs =
 		(struct mxs_rtc_regs *)MXS_RTC_BASE;
 
+	debug("SPL: Setting auto-restart bit\n");
+
 	writel(RTC_CTRL_SFTRST, &rtc_regs->hw_rtc_ctrl_clr);
 	while (readl(&rtc_regs->hw_rtc_ctrl) & RTC_CTRL_SFTRST)
 		;
@@ -101,14 +126,17 @@ static void mxs_power_set_linreg(void)
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
 	/* Set linear regulator 25mV below switching converter */
+	debug("SPL: Setting VDDD 25mV below DC-DC converters\n");
 	clrsetbits_le32(&power_regs->hw_power_vdddctrl,
 			POWER_VDDDCTRL_LINREG_OFFSET_MASK,
 			POWER_VDDDCTRL_LINREG_OFFSET_1STEPS_BELOW);
 
+	debug("SPL: Setting VDDA 25mV below DC-DC converters\n");
 	clrsetbits_le32(&power_regs->hw_power_vddactrl,
 			POWER_VDDACTRL_LINREG_OFFSET_MASK,
 			POWER_VDDACTRL_LINREG_OFFSET_1STEPS_BELOW);
 
+	debug("SPL: Setting VDDIO 25mV below DC-DC converters\n");
 	clrsetbits_le32(&power_regs->hw_power_vddioctrl,
 			POWER_VDDIOCTRL_LINREG_OFFSET_MASK,
 			POWER_VDDIOCTRL_LINREG_OFFSET_1STEPS_BELOW);
@@ -127,6 +155,8 @@ static int mxs_get_batt_volt(void)
 	volt &= POWER_BATTMONITOR_BATT_VAL_MASK;
 	volt >>= POWER_BATTMONITOR_BATT_VAL_OFFSET;
 	volt *= 8;
+
+	debug("SPL: Battery Voltage = %dmV\n", volt);
 	return volt;
 }
 
@@ -154,8 +184,10 @@ static int mxs_is_batt_good(void)
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 	uint32_t volt = mxs_get_batt_volt();
 
-	if ((volt >= 2400) && (volt <= 4300))
+	if ((volt >= 2400) && (volt <= 4300)) {
+		debug("SPL: Battery is good\n");
 		return 1;
+	}
 
 	clrsetbits_le32(&power_regs->hw_power_5vctrl,
 		POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK,
@@ -175,16 +207,21 @@ static int mxs_is_batt_good(void)
 
 	volt = mxs_get_batt_volt();
 
-	if (volt >= 3500)
+	if (volt >= 3500) {
+		debug("SPL: Battery Voltage too high\n");
 		return 0;
+	}
 
-	if (volt >= 2400)
+	if (volt >= 2400) {
+		debug("SPL: Battery is good\n");
 		return 1;
+	}
 
 	writel(POWER_CHARGE_STOP_ILIMIT_MASK | POWER_CHARGE_BATTCHRG_I_MASK,
 		&power_regs->hw_power_charge_clr);
 	writel(POWER_CHARGE_PWD_BATTCHRG, &power_regs->hw_power_charge_set);
 
+	debug("SPL: Battery Voltage too low\n");
 	return 0;
 }
 
@@ -203,6 +240,7 @@ static void mxs_power_setup_5v_detect(void)
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
 	/* Start 5V detection */
+	debug("SPL: Starting 5V input detection comparator\n");
 	clrsetbits_le32(&power_regs->hw_power_5vctrl,
 			POWER_5VCTRL_VBUSVALID_TRSH_MASK,
 			POWER_5VCTRL_VBUSVALID_TRSH_4V4 |
@@ -220,6 +258,8 @@ static void mxs_src_power_init(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Pre-Configuring power block\n");
+
 	/* Improve efficieny and reduce transient ripple */
 	writel(POWER_LOOPCTRL_TOGGLE_DIF | POWER_LOOPCTRL_EN_CM_HYST |
 		POWER_LOOPCTRL_EN_DF_HYST, &power_regs->hw_power_loopctrl_set);
@@ -257,6 +297,8 @@ static void mxs_power_init_4p2_params(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Configuring common 4P2 regulator params\n");
+
 	/* Setup 4P2 parameters */
 	clrsetbits_le32(&power_regs->hw_power_dcdc4p2,
 		POWER_DCDC4P2_CMPTRIP_MASK | POWER_DCDC4P2_TRG_MASK,
@@ -268,8 +310,7 @@ static void mxs_power_init_4p2_params(void)
 
 	clrsetbits_le32(&power_regs->hw_power_dcdc4p2,
 		POWER_DCDC4P2_DROPOUT_CTRL_MASK,
-		POWER_DCDC4P2_DROPOUT_CTRL_100MV |
-		POWER_DCDC4P2_DROPOUT_CTRL_SRC_SEL);
+		DCDC4P2_DROPOUT_CONFIG);
 
 	clrsetbits_le32(&power_regs->hw_power_5vctrl,
 		POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK,
@@ -289,6 +330,8 @@ static void mxs_enable_4p2_dcdc_input(int xfer)
 	uint32_t tmp, vbus_thresh, vbus_5vdetect, pwd_bo;
 	uint32_t prev_5v_brnout, prev_5v_droop;
 
+	debug("SPL: %s 4P2 DC-DC Input\n", xfer ? "Enabling" : "Disabling");
+
 	prev_5v_brnout = readl(&power_regs->hw_power_5vctrl) &
 				POWER_5VCTRL_PWDN_5VBRNOUT;
 	prev_5v_droop = readl(&power_regs->hw_power_ctrl) &
@@ -390,6 +433,8 @@ static void mxs_power_init_4p2_regulator(void)
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 	uint32_t tmp, tmp2;
 
+	debug("SPL: Enabling 4P2 regulator\n");
+
 	setbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_ENABLE_4P2);
 
 	writel(POWER_CHARGE_ENABLE_LOAD, &power_regs->hw_power_charge_set);
@@ -407,6 +452,7 @@ static void mxs_power_init_4p2_regulator(void)
 	 * gradually to avoid large inrush current from the 5V cable which can
 	 * cause transients/problems
 	 */
+	debug("SPL: Charging 4P2 capacitor\n");
 	mxs_enable_4p2_dcdc_input(0);
 
 	if (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VBUS_VALID_IRQ) {
@@ -420,6 +466,8 @@ static void mxs_power_init_4p2_regulator(void)
 			POWER_DCDC4P2_ENABLE_DCDC);
 		writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK,
 			&power_regs->hw_power_5vctrl_set);
+
+		debug("SPL: Unable to recover from mx23 errata 5837\n");
 		hang();
 	}
 
@@ -433,6 +481,7 @@ static void mxs_power_init_4p2_regulator(void)
 	 * current limit until the brownout status is false or until we've
 	 * reached our maximum defined 4p2 current limit.
 	 */
+	debug("SPL: Setting 4P2 brownout level\n");
 	clrsetbits_le32(&power_regs->hw_power_dcdc4p2,
 			POWER_DCDC4P2_BO_MASK,
 			22 << POWER_DCDC4P2_BO_OFFSET);	/* 4.15V */
@@ -479,8 +528,11 @@ static void mxs_power_init_dcdc_4p2_source(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Switching DC-DC converters to 4P2\n");
+
 	if (!(readl(&power_regs->hw_power_dcdc4p2) &
 		POWER_DCDC4P2_ENABLE_DCDC)) {
+		debug("SPL: Already switched - aborting\n");
 		hang();
 	}
 
@@ -509,6 +561,8 @@ static void mxs_power_enable_4p2(void)
 	uint32_t vdddctrl, vddactrl, vddioctrl;
 	uint32_t tmp;
 
+	debug("SPL: Powering up 4P2 regulator\n");
+
 	vdddctrl = readl(&power_regs->hw_power_vdddctrl);
 	vddactrl = readl(&power_regs->hw_power_vddactrl);
 	vddioctrl = readl(&power_regs->hw_power_vddioctrl);
@@ -559,6 +613,8 @@ static void mxs_power_enable_4p2(void)
 	if (tmp)
 		writel(POWER_CHARGE_ENABLE_LOAD,
 			&power_regs->hw_power_charge_clr);
+
+	debug("SPL: 4P2 regulator powered-up\n");
 }
 
 /**
@@ -574,6 +630,8 @@ static void mxs_boot_valid_5v(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Booting from 5V supply\n");
+
 	/*
 	 * Use VBUSVALID level instead of VDD5V_GT_VDDIO level to trigger a 5V
 	 * disconnect event. FIXME
@@ -601,6 +659,9 @@ static void mxs_powerdown(void)
 {
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
+
+	debug("Powering Down\n");
+
 	writel(POWER_RESET_UNLOCK_KEY, &power_regs->hw_power_reset);
 	writel(POWER_RESET_UNLOCK_KEY | POWER_RESET_PWD_OFF,
 		&power_regs->hw_power_reset);
@@ -617,6 +678,8 @@ static void mxs_batt_boot(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Configuring power block to boot from battery\n");
+
 	clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_PWDN_5VBRNOUT);
 	clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_ENABLE_DCDC);
 
@@ -672,6 +735,8 @@ static void mxs_handle_5v_conflict(void)
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 	uint32_t tmp;
 
+	debug("SPL: Resolving 5V conflict\n");
+
 	setbits_le32(&power_regs->hw_power_vddioctrl,
 			POWER_VDDIOCTRL_BO_OFFSET_MASK);
 
@@ -683,19 +748,27 @@ static void mxs_handle_5v_conflict(void)
 			 * VDDIO has a brownout, then the VDD5V_GT_VDDIO becomes
 			 * unreliable
 			 */
+			debug("SPL: VDDIO has a brownout\n");
 			mxs_powerdown();
 			break;
 		}
 
 		if (tmp & POWER_STS_VDD5V_GT_VDDIO) {
+			debug("SPL: POWER_STS_VDD5V_GT_VDDIO is set\n");
 			mxs_boot_valid_5v();
 			break;
 		} else {
+			debug("SPL: POWER_STS_VDD5V_GT_VDDIO is not set\n");
 			mxs_powerdown();
 			break;
 		}
 
+		/*
+		 * TODO: I can't see this being reached. We'll either
+		 * powerdown or boot from a stable 5V supply.
+		 */
 		if (tmp & POWER_STS_PSWITCH_MASK) {
+			debug("SPL: POWER_STS_PSWITCH_MASK is set\n");
 			mxs_batt_boot();
 			break;
 		}
@@ -713,21 +786,26 @@ static void mxs_5v_boot(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Configuring power block to boot from 5V input\n");
+
 	/*
 	 * NOTE: In original IMX-Bootlets, this also checks for VBUSVALID,
 	 * but their implementation always returns 1 so we omit it here.
 	 */
 	if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) {
+		debug("SPL: 5V VDD good\n");
 		mxs_boot_valid_5v();
 		return;
 	}
 
 	early_delay(1000);
 	if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) {
+		debug("SPL: 5V VDD good (after delay)\n");
 		mxs_boot_valid_5v();
 		return;
 	}
 
+	debug("SPL: 5V VDD not good\n");
 	mxs_handle_5v_conflict();
 }
 
@@ -742,6 +820,8 @@ static void mxs_init_batt_bo(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Initialising battery brown-out level to 3.0V\n");
+
 	/* Brownout at 3V */
 	clrsetbits_le32(&power_regs->hw_power_battmonitor,
 		POWER_BATTMONITOR_BRWNOUT_LVL_MASK,
@@ -762,6 +842,8 @@ static void mxs_switch_vddd_to_dcdc_source(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Switching VDDD to DC-DC converters\n");
+
 	clrsetbits_le32(&power_regs->hw_power_vdddctrl,
 		POWER_VDDDCTRL_LINREG_OFFSET_MASK,
 		POWER_VDDDCTRL_LINREG_OFFSET_1STEPS_BELOW);
@@ -788,6 +870,8 @@ static void mxs_power_configure_power_source(void)
 	struct mxs_lradc_regs *lradc_regs =
 		(struct mxs_lradc_regs *)MXS_LRADC_BASE;
 
+	debug("SPL: Configuring power source\n");
+
 	mxs_src_power_init();
 
 	if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) {
@@ -811,6 +895,10 @@ static void mxs_power_configure_power_source(void)
 		mxs_batt_boot();
 	}
 
+	/*
+	 * TODO: Do not switch CPU clock to PLL if we are VDD5V is sourced
+	 * from USB VBUS
+	 */
 	mxs_power_clock2pll();
 
 	mxs_init_batt_bo();
@@ -819,6 +907,7 @@ static void mxs_power_configure_power_source(void)
 
 #ifdef CONFIG_MX23
 	/* Fire up the VDDMEM LinReg now that we're all set. */
+	debug("SPL: Enabling mx23 VDDMEM linear regulator\n");
 	writel(POWER_VDDMEMCTRL_ENABLE_LINREG | POWER_VDDMEMCTRL_ENABLE_ILIMIT,
 		&power_regs->hw_power_vddmemctrl);
 #endif
@@ -838,6 +927,8 @@ static void mxs_enable_output_rail_protection(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Enabling output rail protection\n");
+
 	writel(POWER_CTRL_VDDD_BO_IRQ | POWER_CTRL_VDDA_BO_IRQ |
 		POWER_CTRL_VDDIO_BO_IRQ, &power_regs->hw_power_ctrl_clr);
 
@@ -1077,6 +1168,8 @@ static void mxs_power_set_vddx(const struct mxs_vddx_cfg *cfg,
  */
 static void mxs_setup_batt_detect(void)
 {
+	debug("SPL: Starting battery voltage measurement logic\n");
+
 	mxs_lradc_init();
 	mxs_lradc_enable_batt_measurement();
 	early_delay(10);
@@ -1111,6 +1204,8 @@ void mxs_power_init(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Initialising Power Block\n");
+
 	mxs_ungate_power();
 
 	mxs_power_clock2xtal();
@@ -1123,9 +1218,13 @@ void mxs_power_init(void)
 	mxs_power_configure_power_source();
 	mxs_enable_output_rail_protection();
 
+	debug("SPL: Setting VDDIO to 3V3 (brownout @ 3v15)\n");
 	mxs_power_set_vddx(&mxs_vddio_cfg, 3300, 3150);
+
+	debug("SPL: Setting VDDD to 1V5 (brownout @ 1v0)\n");
 	mxs_power_set_vddx(&mxs_vddd_cfg, 1500, 1000);
 #ifdef CONFIG_MX23
+	debug("SPL: Setting mx23 VDDMEM to 2V5 (brownout @ 1v7)\n");
 	mxs_power_set_vddx(&mxs_vddmem_cfg, 2500, 1700);
 #endif
 	writel(POWER_CTRL_VDDD_BO_IRQ | POWER_CTRL_VDDA_BO_IRQ |
@@ -1150,6 +1249,7 @@ void mxs_power_wait_pswitch(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	debug("SPL: Waiting for power switch input\n");
 	while (!(readl(&power_regs->hw_power_sts) & POWER_STS_PSWITCH_MASK))
 		;
 }

arch/arm/cpu/armv7/Makefile

@@ -32,7 +32,6 @@ obj-$(CONFIG_IPROC) += iproc-common/
 obj-$(CONFIG_KONA) += kona-common/
 obj-$(CONFIG_OMAP_COMMON) += omap-common/
 obj-$(CONFIG_SYS_ARCH_TIMER) += arch_timer.o
-obj-$(CONFIG_TEGRA) += tegra-common/
 
 ifneq (,$(filter s5pc1xx exynos,$(SOC)))
 obj-y += s5p-common/
@@ -40,13 +39,11 @@ endif
 
 obj-$(if $(filter am33xx,$(SOC)),y) += am33xx/
 obj-$(if $(filter armada-xp,$(SOC)),y) += armada-xp/
-obj-$(CONFIG_AT91FAMILY) += at91/
+obj-$(CONFIG_BCM2835) += bcm2835/
 obj-$(if $(filter bcm281xx,$(SOC)),y) += bcm281xx/
 obj-$(if $(filter bcmcygnus,$(SOC)),y) += bcmcygnus/
 obj-$(if $(filter bcmnsp,$(SOC)),y) += bcmnsp/
 obj-$(CONFIG_ARCH_EXYNOS) += exynos/
-obj-$(CONFIG_ARCH_HIGHBANK) += highbank/
-obj-$(CONFIG_ARCH_KEYSTONE) += keystone/
 obj-$(if $(filter ls102xa,$(SOC)),y) += ls102xa/
 obj-$(if $(filter mx5,$(SOC)),y) += mx5/
 obj-$(CONFIG_MX6) += mx6/
@@ -58,7 +55,6 @@ obj-$(CONFIG_ARCH_S5PC1XX) += s5pc1xx/
 obj-$(CONFIG_SOCFPGA) += socfpga/
 obj-$(if $(filter stv0991,$(SOC)),y) += stv0991/
 obj-$(CONFIG_ARCH_SUNXI) += sunxi/
-obj-$(CONFIG_TEGRA20) += tegra20/
 obj-$(CONFIG_U8500) += u8500/
 obj-$(CONFIG_ARCH_UNIPHIER) += uniphier/
 obj-$(CONFIG_VF610) += vf610/

arch/arm/cpu/armv7/am33xx/clock_am43xx.c

@@ -118,4 +118,7 @@ void enable_basic_clocks(void)
 
 	/* Select the Master osc clk as Timer2 clock source */
 	writel(0x1, &cmdpll->clktimer2clk);
+
+	/* For OPP100 the mac clock should be /5. */
+	writel(0x4, &cmdpll->clkselmacclk);
 }

arch/arm/cpu/armv7/armada-xp/Makefile

@@ -5,3 +5,5 @@
 #
 
 obj-y	= cpu.o
+obj-$(CONFIG_SPL_BUILD) += spl.o
+obj-$(CONFIG_SPL_BUILD) += lowlevel_spl.o

arch/arm/cpu/armv7/armada-xp/lowlevel_spl.S

@@ -0,0 +1,62 @@
+/*
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <config.h>
+#include <version.h>
+#include <linux/linkage.h>
+
+ENTRY(save_boot_params)
+	bx	lr
+ENDPROC(save_boot_params)
+
+/*
+ * cache_inv - invalidate Cache line
+ * r0 - dest
+ */
+	.global cache_inv
+	.type  cache_inv, %function
+	cache_inv:
+
+	stmfd   sp!, {r1-r12}
+
+	mcr     p15, 0, r0, c7, c6, 1
+
+	ldmfd   sp!, {r1-r12}
+	bx      lr
+
+
+/*
+ * flush_l1_v6 - l1 cache clean invalidate
+ * r0 - dest
+ */
+	.global flush_l1_v6
+	.type	flush_l1_v6, %function
+	flush_l1_v6:
+
+	stmfd   sp!, {r1-r12}
+
+	mcr     p15, 0, r0, c7, c10, 5	/* @ data memory barrier */
+	mcr     p15, 0, r0, c7, c14, 1	/* @ clean & invalidate D line */
+	mcr     p15, 0, r0, c7, c10, 4	/* @ data sync barrier */
+
+	ldmfd   sp!, {r1-r12}
+	bx      lr
+
+
+/*
+ * flush_l1_v7 - l1 cache clean invalidate
+ * r0 - dest
+ */
+	.global flush_l1_v7
+	.type	flush_l1_v7, %function
+	flush_l1_v7:
+
+	stmfd   sp!, {r1-r12}
+
+	dmb				/* @data memory barrier */
+	mcr     p15, 0, r0, c7, c14, 1	/* @ clean & invalidate D line */
+	dsb				/* @data sync barrier */
+
+	ldmfd   sp!, {r1-r12}
+	bx      lr

arch/arm/cpu/armv7/armada-xp/spl.c

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2014 Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+u32 spl_boot_device(void)
+{
+	/* Right now only booting via SPI NOR flash is supported */
+	return BOOT_DEVICE_SPI;
+}
+
+void board_init_f(ulong dummy)
+{
+	/* Set global data pointer */
+	gd = &gdata;
+
+	/* Linux expects the internal registers to be at 0xf1000000 */
+	arch_cpu_init();
+
+	preloader_console_init();
+
+	/* First init the serdes PHY's */
+	serdes_phy_config();
+
+	/* Setup DDR */
+	ddr3_init();
+
+	board_init_r(NULL, 0);
+}

arch/arm/cpu/armv7/at91/config.mk

@@ -1,8 +0,0 @@
-#
-# Copyright (C) 2014, Andreas Bießmann <andreas.devel@googlemail.com>
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-ifndef CONFIG_SPL_BUILD
-ALL-y	+= u-boot.img
-endif

arch/arm/cpu/armv7/at91/sama5d4_devices.c

@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2014 Atmel
- *		      Bo Shen <voice.shen@atmel.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/at91_common.h>
-#include <asm/arch/at91_pmc.h>
-#include <asm/arch/clk.h>
-#include <asm/arch/sama5d4.h>
-
-char *get_cpu_name()
-{
-	unsigned int extension_id = get_extension_chip_id();
-
-	if (cpu_is_sama5d4())
-		switch (extension_id) {
-		case ARCH_EXID_SAMA5D41:
-			return "SAMA5D41";
-		case ARCH_EXID_SAMA5D42:
-			return "SAMA5D42";
-		case ARCH_EXID_SAMA5D43:
-			return "SAMA5D43";
-		case ARCH_EXID_SAMA5D44:
-			return "SAMA5D44";
-		default:
-			return "Unknown CPU type";
-		}
-	else
-		return "Unknown CPU type";
-}
-
-#ifdef CONFIG_USB_GADGET_ATMEL_USBA
-void at91_udp_hw_init(void)
-{
-	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-
-	/* Enable UPLL clock */
-	writel(AT91_PMC_UPLLEN | AT91_PMC_BIASEN, &pmc->uckr);
-	/* Enable UDPHS clock */
-	at91_periph_clk_enable(ATMEL_ID_UDPHS);
-}
-#endif

arch/arm/cpu/armv7/bcm2835/Makefile

@@ -0,0 +1,13 @@
+#
+# (C) Copyright 2012 Stephen Warren
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+src_dir := ../../arm1176/bcm2835/
+
+obj-y	:=
+obj-y	+= $(src_dir)/init.o
+obj-y	+= $(src_dir)/reset.o
+obj-y	+= $(src_dir)/timer.o
+obj-y	+= $(src_dir)/mbox.o

arch/arm/cpu/armv7/cpu.c

@@ -53,7 +53,7 @@ int cleanup_before_linux(void)
 	 * After D-cache is flushed and before it is disabled there may
 	 * be some new valid entries brought into the cache. We are sure
 	 * that these lines are not dirty and will not affect our execution.
-	 * (because unwinding the call-stack and setting a bit in CP15 SCTRL
+	 * (because unwinding the call-stack and setting a bit in CP15 SCTLR
 	 * is all we did during this. We have not pushed anything on to the
 	 * stack. Neither have we affected any static data)
 	 * So just invalidate the entire d-cache again to avoid coherency

arch/arm/cpu/armv7/exynos/Kconfig

@@ -65,6 +65,27 @@ endchoice
 config SYS_SOC
 	default "exynos"
 
+config DM
+	default y if !SPL_BUILD
+
+config DM_SERIAL
+	default y if !SPL_BUILD
+
+config DM_SPI
+	default y if !SPL_BUILD
+
+config DM_SPI_FLASH
+	default y if !SPL_BUILD
+
+config DM_GPIO
+	default y if !SPL_BUILD
+
+config SYS_MALLOC_F
+	default y if !SPL_BUILD
+
+config SYS_MALLOC_F_LEN
+	default 0x400 if !SPL_BUILD
+
 source "board/samsung/smdkv310/Kconfig"
 source "board/samsung/trats/Kconfig"
 source "board/samsung/universal_c210/Kconfig"

arch/arm/cpu/armv7/exynos/clock.c

@@ -20,42 +20,84 @@
  * positions of the peripheral clocks of the src and div registers
  */
 struct clk_bit_info {
+	enum periph_id id;
+	int32_t src_mask;
+	int32_t div_mask;
+	int32_t prediv_mask;
 	int8_t src_bit;
 	int8_t div_bit;
 	int8_t prediv_bit;
 };
 
-/* src_bit div_bit prediv_bit */
-static struct clk_bit_info clk_bit_info[] = {
-	{0,	0,	-1},
-	{4,	4,	-1},
-	{8,	8,	-1},
-	{12,	12,	-1},
-	{0,	0,	8},
-	{4,	16,	24},
-	{8,	0,	8},
-	{12,	16,	24},
-	{-1,	-1,	-1},
-	{16,	0,	8},
-	{20,	16,	24},
-	{24,	0,	8},
-	{0,	0,	4},
-	{4,	12,	16},
-	{-1,	-1,	-1},
-	{-1,	-1,	-1},
-	{-1,	24,	0},
-	{-1,	24,	0},
-	{-1,	24,	0},
-	{-1,	24,	0},
-	{-1,	24,	0},
-	{-1,	24,	0},
-	{-1,	24,	0},
-	{-1,	24,	0},
-	{24,	0,	-1},
-	{24,	0,	-1},
-	{24,	0,	-1},
-	{24,	0,	-1},
-	{24,	0,	-1},
+static struct clk_bit_info exynos5_bit_info[] = {
+	/* periph id		s_mask	d_mask	p_mask	s_bit	d_bit	p_bit */
+	{PERIPH_ID_UART0,	0xf,	0xf,	-1,	0,	0,	-1},
+	{PERIPH_ID_UART1,	0xf,	0xf,	-1,	4,	4,	-1},
+	{PERIPH_ID_UART2,	0xf,	0xf,	-1,	8,	8,	-1},
+	{PERIPH_ID_UART3,	0xf,	0xf,	-1,	12,	12,	-1},
+	{PERIPH_ID_I2C0,	-1,	0x7,	0x7,	-1,	24,	0},
+	{PERIPH_ID_I2C1,	-1,	0x7,	0x7,	-1,	24,	0},
+	{PERIPH_ID_I2C2,	-1,	0x7,	0x7,	-1,	24,	0},
+	{PERIPH_ID_I2C3,	-1,	0x7,	0x7,	-1,	24,	0},
+	{PERIPH_ID_I2C4,	-1,	0x7,	0x7,	-1,	24,	0},
+	{PERIPH_ID_I2C5,	-1,	0x7,	0x7,	-1,	24,	0},
+	{PERIPH_ID_I2C6,	-1,	0x7,	0x7,	-1,	24,	0},
+	{PERIPH_ID_I2C7,	-1,	0x7,	0x7,	-1,	24,	0},
+	{PERIPH_ID_SPI0,	0xf,	0xf,	0xff,	16,	0,	8},
+	{PERIPH_ID_SPI1,	0xf,	0xf,	0xff,	20,	16,	24},
+	{PERIPH_ID_SPI2,	0xf,	0xf,	0xff,	24,	0,	8},
+	{PERIPH_ID_SDMMC0,	0xf,	0xf,	0xff,	0,	0,	8},
+	{PERIPH_ID_SDMMC1,	0xf,	0xf,	0xff,	4,	16,	24},
+	{PERIPH_ID_SDMMC2,	0xf,	0xf,	0xff,	8,	0,	8},
+	{PERIPH_ID_SDMMC3,	0xf,	0xf,	0xff,	12,	16,	24},
+	{PERIPH_ID_I2S0,	0xf,	0xf,	0xff,	0,	0,	4},
+	{PERIPH_ID_I2S1,	0xf,	0xf,	0xff,	4,	12,	16},
+	{PERIPH_ID_SPI3,	0xf,	0xf,	0xff,	0,	0,	4},
+	{PERIPH_ID_SPI4,	0xf,	0xf,	0xff,	4,	12,	16},
+	{PERIPH_ID_SDMMC4,	0xf,	0xf,	0xff,	16,	0,	8},
+	{PERIPH_ID_PWM0,	0xf,	0xf,	-1,	24,	0,	-1},
+	{PERIPH_ID_PWM1,	0xf,	0xf,	-1,	24,	0,	-1},
+	{PERIPH_ID_PWM2,	0xf,	0xf,	-1,	24,	0,	-1},
+	{PERIPH_ID_PWM3,	0xf,	0xf,	-1,	24,	0,	-1},
+	{PERIPH_ID_PWM4,	0xf,	0xf,	-1,	24,	0,	-1},
+
+	{PERIPH_ID_NONE,	-1,	-1,	-1,	-1,	-1,	-1},
+};
+
+static struct clk_bit_info exynos542x_bit_info[] = {
+	/* periph id		s_mask	d_mask	p_mask	s_bit	d_bit	p_bit */
+	{PERIPH_ID_UART0,	0xf,	0xf,	-1,	4,	8,	-1},
+	{PERIPH_ID_UART1,	0xf,	0xf,	-1,	8,	12,	-1},
+	{PERIPH_ID_UART2,	0xf,	0xf,	-1,	12,	16,	-1},
+	{PERIPH_ID_UART3,	0xf,	0xf,	-1,	16,	20,	-1},
+	{PERIPH_ID_I2C0,	-1,	0x3f,	-1,	-1,	8,	-1},
+	{PERIPH_ID_I2C1,	-1,	0x3f,	-1,	-1,	8,	-1},
+	{PERIPH_ID_I2C2,	-1,	0x3f,	-1,	-1,	8,	-1},
+	{PERIPH_ID_I2C3,	-1,	0x3f,	-1,	-1,	8,	-1},
+	{PERIPH_ID_I2C4,	-1,	0x3f,	-1,	-1,	8,	-1},
+	{PERIPH_ID_I2C5,	-1,	0x3f,	-1,	-1,	8,	-1},
+	{PERIPH_ID_I2C6,	-1,	0x3f,	-1,	-1,	8,	-1},
+	{PERIPH_ID_I2C7,	-1,	0x3f,	-1,	-1,	8,	-1},
+	{PERIPH_ID_SPI0,	0xf,	0xf,	0xff,	20,	20,	8},
+	{PERIPH_ID_SPI1,	0xf,	0xf,	0xff,	24,	24,	16},
+	{PERIPH_ID_SPI2,	0xf,	0xf,	0xff,	28,	28,	24},
+	{PERIPH_ID_SDMMC0,	0x7,	0x3ff,	-1,	8,	0,	-1},
+	{PERIPH_ID_SDMMC1,	0x7,	0x3ff,	-1,	12,	10,	-1},
+	{PERIPH_ID_SDMMC2,	0x7,	0x3ff,	-1,	16,	20,	-1},
+	{PERIPH_ID_I2C8,	-1,	0x3f,	-1,	-1,	8,	-1},
+	{PERIPH_ID_I2C9,	-1,	0x3f,	-1,	-1,	8,	-1},
+	{PERIPH_ID_I2S0,	0xf,	0xf,	0xff,	0,	0,	4},
+	{PERIPH_ID_I2S1,	0xf,	0xf,	0xff,	4,	12,	16},
+	{PERIPH_ID_SPI3,	0xf,	0xf,	0xff,	12,	16,	0},
+	{PERIPH_ID_SPI4,	0xf,	0xf,	0xff,	16,	20,	8},
+	{PERIPH_ID_PWM0,	0xf,	0xf,	-1,	24,	28,	-1},
+	{PERIPH_ID_PWM1,	0xf,	0xf,	-1,	24,	28,	-1},
+	{PERIPH_ID_PWM2,	0xf,	0xf,	-1,	24,	28,	-1},
+	{PERIPH_ID_PWM3,	0xf,	0xf,	-1,	24,	28,	-1},
+	{PERIPH_ID_PWM4,	0xf,	0xf,	-1,	24,	28,	-1},
+	{PERIPH_ID_I2C10,	-1,	0x3f,	-1,	-1,	8,	-1},
+
+	{PERIPH_ID_NONE,	-1,	-1,	-1,	-1,	-1,	-1},
 };
 
 /* Epll Clock division values to achive different frequency output */
@@ -260,112 +302,8 @@ static unsigned long exynos5_get_pll_clk(int pllreg)
 	return fout;
 }
 
-static unsigned long exynos5_get_periph_rate(int peripheral)
-{
-	struct clk_bit_info *bit_info = &clk_bit_info[peripheral];
-	unsigned long sclk, sub_clk;
-	unsigned int src, div, sub_div;
-	struct exynos5_clock *clk =
-			(struct exynos5_clock *)samsung_get_base_clock();
-
-	switch (peripheral) {
-	case PERIPH_ID_UART0:
-	case PERIPH_ID_UART1:
-	case PERIPH_ID_UART2:
-	case PERIPH_ID_UART3:
-		src = readl(&clk->src_peric0);
-		div = readl(&clk->div_peric0);
-		break;
-	case PERIPH_ID_PWM0:
-	case PERIPH_ID_PWM1:
-	case PERIPH_ID_PWM2:
-	case PERIPH_ID_PWM3:
-	case PERIPH_ID_PWM4:
-		src = readl(&clk->src_peric0);
-		div = readl(&clk->div_peric3);
-		break;
-	case PERIPH_ID_I2S0:
-		src = readl(&clk->src_mau);
-		div = readl(&clk->div_mau);
-	case PERIPH_ID_SPI0:
-	case PERIPH_ID_SPI1:
-		src = readl(&clk->src_peric1);
-		div = readl(&clk->div_peric1);
-		break;
-	case PERIPH_ID_SPI2:
-		src = readl(&clk->src_peric1);
-		div = readl(&clk->div_peric2);
-		break;
-	case PERIPH_ID_SPI3:
-	case PERIPH_ID_SPI4:
-		src = readl(&clk->sclk_src_isp);
-		div = readl(&clk->sclk_div_isp);
-		break;
-	case PERIPH_ID_SDMMC0:
-	case PERIPH_ID_SDMMC1:
-	case PERIPH_ID_SDMMC2:
-	case PERIPH_ID_SDMMC3:
-		src = readl(&clk->src_fsys);
-		div = readl(&clk->div_fsys1);
-		break;
-	case PERIPH_ID_I2C0:
-	case PERIPH_ID_I2C1:
-	case PERIPH_ID_I2C2:
-	case PERIPH_ID_I2C3:
-	case PERIPH_ID_I2C4:
-	case PERIPH_ID_I2C5:
-	case PERIPH_ID_I2C6:
-	case PERIPH_ID_I2C7:
-		sclk = exynos5_get_pll_clk(MPLL);
-		sub_div = ((readl(&clk->div_top1) >> bit_info->div_bit)
-								& 0x7) + 1;
-		div = ((readl(&clk->div_top0) >> bit_info->prediv_bit)
-								& 0x7) + 1;
-		return (sclk / sub_div) / div;
-	default:
-		debug("%s: invalid peripheral %d", __func__, peripheral);
-		return -1;
-	};
-
-	src = (src >> bit_info->src_bit) & 0xf;
-
-	switch (src) {
-	case EXYNOS_SRC_MPLL:
-		sclk = exynos5_get_pll_clk(MPLL);
-		break;
-	case EXYNOS_SRC_EPLL:
-		sclk = exynos5_get_pll_clk(EPLL);
-		break;
-	case EXYNOS_SRC_VPLL:
-		sclk = exynos5_get_pll_clk(VPLL);
-		break;
-	default:
-		return 0;
-	}
-
-	/* Ratio clock division for this peripheral */
-	sub_div = (div >> bit_info->div_bit) & 0xf;
-	sub_clk = sclk / (sub_div + 1);
-
-	/* Pre-ratio clock division for SDMMC0 and 2 */
-	if (peripheral == PERIPH_ID_SDMMC0 || peripheral == PERIPH_ID_SDMMC2) {
-		div = (div >> bit_info->prediv_bit) & 0xff;
-		return sub_clk / (div + 1);
-	}
-
-	return sub_clk;
-}
-
-unsigned long clock_get_periph_rate(int peripheral)
-{
-	if (cpu_is_exynos5())
-		return exynos5_get_periph_rate(peripheral);
-	else
-		return 0;
-}
-
-/* exynos5420: return pll clock frequency */
-static unsigned long exynos5420_get_pll_clk(int pllreg)
+/* exynos542x: return pll clock frequency */
+static unsigned long exynos542x_get_pll_clk(int pllreg)
 {
 	struct exynos5420_clock *clk =
 		(struct exynos5420_clock *)samsung_get_base_clock();
@@ -404,6 +342,231 @@ static unsigned long exynos5420_get_pll_clk(int pllreg)
 	return exynos_get_pll_clk(pllreg, r, k);
 }
 
+static struct clk_bit_info *get_clk_bit_info(int peripheral)
+{
+	int i;
+	struct clk_bit_info *info;
+
+	if (proid_is_exynos5420() || proid_is_exynos5800())
+		info = exynos542x_bit_info;
+	else
+		info = exynos5_bit_info;
+
+	for (i = 0; info[i].id != PERIPH_ID_NONE; i++) {
+		if (info[i].id == peripheral)
+			break;
+	}
+
+	if (info[i].id == PERIPH_ID_NONE)
+		debug("ERROR: Peripheral ID %d not found\n", peripheral);
+
+	return &info[i];
+}
+
+static unsigned long exynos5_get_periph_rate(int peripheral)
+{
+	struct clk_bit_info *bit_info = get_clk_bit_info(peripheral);
+	unsigned long sclk = 0;
+	unsigned int src = 0, div = 0, sub_div = 0;
+	struct exynos5_clock *clk =
+			(struct exynos5_clock *)samsung_get_base_clock();
+
+	switch (peripheral) {
+	case PERIPH_ID_UART0:
+	case PERIPH_ID_UART1:
+	case PERIPH_ID_UART2:
+	case PERIPH_ID_UART3:
+		src = readl(&clk->src_peric0);
+		div = readl(&clk->div_peric0);
+		break;
+	case PERIPH_ID_PWM0:
+	case PERIPH_ID_PWM1:
+	case PERIPH_ID_PWM2:
+	case PERIPH_ID_PWM3:
+	case PERIPH_ID_PWM4:
+		src = readl(&clk->src_peric0);
+		div = readl(&clk->div_peric3);
+		break;
+	case PERIPH_ID_I2S0:
+		src = readl(&clk->src_mau);
+		div = sub_div = readl(&clk->div_mau);
+	case PERIPH_ID_SPI0:
+	case PERIPH_ID_SPI1:
+		src = readl(&clk->src_peric1);
+		div = sub_div = readl(&clk->div_peric1);
+		break;
+	case PERIPH_ID_SPI2:
+		src = readl(&clk->src_peric1);
+		div = sub_div = readl(&clk->div_peric2);
+		break;
+	case PERIPH_ID_SPI3:
+	case PERIPH_ID_SPI4:
+		src = readl(&clk->sclk_src_isp);
+		div = sub_div = readl(&clk->sclk_div_isp);
+		break;
+	case PERIPH_ID_SDMMC0:
+	case PERIPH_ID_SDMMC1:
+		src = readl(&clk->src_fsys);
+		div = sub_div = readl(&clk->div_fsys1);
+		break;
+	case PERIPH_ID_SDMMC2:
+	case PERIPH_ID_SDMMC3:
+		src = readl(&clk->src_fsys);
+		div = sub_div = readl(&clk->div_fsys2);
+		break;
+	case PERIPH_ID_I2C0:
+	case PERIPH_ID_I2C1:
+	case PERIPH_ID_I2C2:
+	case PERIPH_ID_I2C3:
+	case PERIPH_ID_I2C4:
+	case PERIPH_ID_I2C5:
+	case PERIPH_ID_I2C6:
+	case PERIPH_ID_I2C7:
+		src = EXYNOS_SRC_MPLL;
+		div = readl(&clk->div_top0);
+		sub_div = readl(&clk->div_top1);
+		break;
+	default:
+		debug("%s: invalid peripheral %d", __func__, peripheral);
+		return -1;
+	};
+
+	if (bit_info->src_bit >= 0)
+		src = (src >> bit_info->src_bit) & bit_info->src_mask;
+
+	switch (src) {
+	case EXYNOS_SRC_MPLL:
+		sclk = exynos5_get_pll_clk(MPLL);
+		break;
+	case EXYNOS_SRC_EPLL:
+		sclk = exynos5_get_pll_clk(EPLL);
+		break;
+	case EXYNOS_SRC_VPLL:
+		sclk = exynos5_get_pll_clk(VPLL);
+		break;
+	default:
+		debug("%s: EXYNOS_SRC %d not supported\n", __func__, src);
+		return 0;
+	}
+
+	/* Clock divider ratio for this peripheral */
+	if (bit_info->div_bit >= 0)
+		div = (div >> bit_info->div_bit) & bit_info->div_mask;
+
+	/* Clock pre-divider ratio for this peripheral */
+	if (bit_info->prediv_bit >= 0)
+		sub_div = (sub_div >> bit_info->prediv_bit)
+			  & bit_info->prediv_mask;
+
+	/* Calculate and return required clock rate */
+	return (sclk / (div + 1)) / (sub_div + 1);
+}
+
+static unsigned long exynos542x_get_periph_rate(int peripheral)
+{
+	struct clk_bit_info *bit_info = get_clk_bit_info(peripheral);
+	unsigned long sclk = 0;
+	unsigned int src = 0, div = 0, sub_div = 0;
+	struct exynos5420_clock *clk =
+			(struct exynos5420_clock *)samsung_get_base_clock();
+
+	switch (peripheral) {
+	case PERIPH_ID_UART0:
+	case PERIPH_ID_UART1:
+	case PERIPH_ID_UART2:
+	case PERIPH_ID_UART3:
+	case PERIPH_ID_PWM0:
+	case PERIPH_ID_PWM1:
+	case PERIPH_ID_PWM2:
+	case PERIPH_ID_PWM3:
+	case PERIPH_ID_PWM4:
+		src = readl(&clk->src_peric0);
+		div = readl(&clk->div_peric0);
+		break;
+	case PERIPH_ID_SPI0:
+	case PERIPH_ID_SPI1:
+	case PERIPH_ID_SPI2:
+		src = readl(&clk->src_peric1);
+		div = readl(&clk->div_peric1);
+		sub_div = readl(&clk->div_peric4);
+		break;
+	case PERIPH_ID_SPI3:
+	case PERIPH_ID_SPI4:
+		src = readl(&clk->src_isp);
+		div = readl(&clk->div_isp1);
+		sub_div = readl(&clk->div_isp1);
+		break;
+	case PERIPH_ID_SDMMC0:
+	case PERIPH_ID_SDMMC1:
+	case PERIPH_ID_SDMMC2:
+	case PERIPH_ID_SDMMC3:
+		src = readl(&clk->src_fsys);
+		div = readl(&clk->div_fsys1);
+		break;
+	case PERIPH_ID_I2C0:
+	case PERIPH_ID_I2C1:
+	case PERIPH_ID_I2C2:
+	case PERIPH_ID_I2C3:
+	case PERIPH_ID_I2C4:
+	case PERIPH_ID_I2C5:
+	case PERIPH_ID_I2C6:
+	case PERIPH_ID_I2C7:
+	case PERIPH_ID_I2C8:
+	case PERIPH_ID_I2C9:
+	case PERIPH_ID_I2C10:
+		src = EXYNOS542X_SRC_MPLL;
+		div = readl(&clk->div_top1);
+		break;
+	default:
+		debug("%s: invalid peripheral %d", __func__, peripheral);
+		return -1;
+	};
+
+	if (bit_info->src_bit >= 0)
+		src = (src >> bit_info->src_bit) & bit_info->src_mask;
+
+	switch (src) {
+	case EXYNOS542X_SRC_MPLL:
+		sclk = exynos542x_get_pll_clk(MPLL);
+		break;
+	case EXYNOS542X_SRC_SPLL:
+		sclk = exynos542x_get_pll_clk(SPLL);
+		break;
+	case EXYNOS542X_SRC_EPLL:
+		sclk = exynos542x_get_pll_clk(EPLL);
+		break;
+	case EXYNOS542X_SRC_RPLL:
+		sclk = exynos542x_get_pll_clk(RPLL);
+		break;
+	default:
+		debug("%s: EXYNOS542X_SRC %d not supported", __func__, src);
+		return 0;
+	}
+
+	/* Clock divider ratio for this peripheral */
+	if (bit_info->div_bit >= 0)
+		div = (div >> bit_info->div_bit) & bit_info->div_mask;
+
+	/* Clock pre-divider ratio for this peripheral */
+	if (bit_info->prediv_bit >= 0)
+		sub_div = (sub_div >> bit_info->prediv_bit)
+			  & bit_info->prediv_mask;
+
+	/* Calculate and return required clock rate */
+	return (sclk / (div + 1)) / (sub_div + 1);
+}
+
+unsigned long clock_get_periph_rate(int peripheral)
+{
+	if (cpu_is_exynos5()) {
+		if (proid_is_exynos5420() || proid_is_exynos5800())
+			return exynos542x_get_periph_rate(peripheral);
+		return exynos5_get_periph_rate(peripheral);
+	} else {
+		return 0;
+	}
+}
+
 /* exynos4: return ARM clock frequency */
 static unsigned long exynos4_get_arm_clk(void)
 {
@@ -527,27 +690,6 @@ static unsigned long exynos4x12_get_pwm_clk(void)
 	return pclk;
 }
 
-/* exynos5420: return pwm clock frequency */
-static unsigned long exynos5420_get_pwm_clk(void)
-{
-	struct exynos5420_clock *clk =
-		(struct exynos5420_clock *)samsung_get_base_clock();
-	unsigned long pclk, sclk;
-	unsigned int ratio;
-
-	/*
-	 * CLK_DIV_PERIC0
-	 * PWM_RATIO [31:28]
-	 */
-	ratio = readl(&clk->div_peric0);
-	ratio = (ratio >> 28) & 0xf;
-	sclk = get_pll_clk(MPLL);
-
-	pclk = sclk / (ratio + 1);
-
-	return pclk;
-}
-
 /* exynos4: return uart clock frequency */
 static unsigned long exynos4_get_uart_clk(int dev_index)
 {
@@ -640,100 +782,6 @@ static unsigned long exynos4x12_get_uart_clk(int dev_index)
 	return uclk;
 }
 
-/* exynos5: return uart clock frequency */
-static unsigned long exynos5_get_uart_clk(int dev_index)
-{
-	struct exynos5_clock *clk =
-		(struct exynos5_clock *)samsung_get_base_clock();
-	unsigned long uclk, sclk;
-	unsigned int sel;
-	unsigned int ratio;
-
-	/*
-	 * CLK_SRC_PERIC0
-	 * UART0_SEL [3:0]
-	 * UART1_SEL [7:4]
-	 * UART2_SEL [8:11]
-	 * UART3_SEL [12:15]
-	 * UART4_SEL [16:19]
-	 * UART5_SEL [23:20]
-	 */
-	sel = readl(&clk->src_peric0);
-	sel = (sel >> (dev_index << 2)) & 0xf;
-
-	if (sel == 0x6)
-		sclk = get_pll_clk(MPLL);
-	else if (sel == 0x7)
-		sclk = get_pll_clk(EPLL);
-	else if (sel == 0x8)
-		sclk = get_pll_clk(VPLL);
-	else
-		return 0;
-
-	/*
-	 * CLK_DIV_PERIC0
-	 * UART0_RATIO [3:0]
-	 * UART1_RATIO [7:4]
-	 * UART2_RATIO [8:11]
-	 * UART3_RATIO [12:15]
-	 * UART4_RATIO [16:19]
-	 * UART5_RATIO [23:20]
-	 */
-	ratio = readl(&clk->div_peric0);
-	ratio = (ratio >> (dev_index << 2)) & 0xf;
-
-	uclk = sclk / (ratio + 1);
-
-	return uclk;
-}
-
-/* exynos5420: return uart clock frequency */
-static unsigned long exynos5420_get_uart_clk(int dev_index)
-{
-	struct exynos5420_clock *clk =
-		(struct exynos5420_clock *)samsung_get_base_clock();
-	unsigned long uclk, sclk;
-	unsigned int sel;
-	unsigned int ratio;
-
-	/*
-	 * CLK_SRC_PERIC0
-	 * UART0_SEL [6:4]
-	 * UART1_SEL [10:8]
-	 * UART2_SEL [14:12]
-	 * UART3_SEL [18:16]
-	 * generalised calculation as follows
-	 * sel = (sel >> ((dev_index * 4) + 4)) & mask;
-	 */
-	sel = readl(&clk->src_peric0);
-	sel = (sel >> ((dev_index * 4) + 4)) & 0x7;
-
-	if (sel == 0x3)
-		sclk = get_pll_clk(MPLL);
-	else if (sel == 0x6)
-		sclk = get_pll_clk(EPLL);
-	else if (sel == 0x7)
-		sclk = get_pll_clk(RPLL);
-	else
-		return 0;
-
-	/*
-	 * CLK_DIV_PERIC0
-	 * UART0_RATIO [11:8]
-	 * UART1_RATIO [15:12]
-	 * UART2_RATIO [19:16]
-	 * UART3_RATIO [23:20]
-	 * generalised calculation as follows
-	 * ratio = (ratio >> ((dev_index * 4) + 8)) & mask;
-	 */
-	ratio = readl(&clk->div_peric0);
-	ratio = (ratio >> ((dev_index * 4) + 8)) & 0xf;
-
-	uclk = sclk / (ratio + 1);
-
-	return uclk;
-}
-
 static unsigned long exynos4_get_mmc_clk(int dev_index)
 {
 	struct exynos4_clock *clk =
@@ -783,94 +831,6 @@ static unsigned long exynos4_get_mmc_clk(int dev_index)
 	return uclk;
 }
 
-static unsigned long exynos5_get_mmc_clk(int dev_index)
-{
-	struct exynos5_clock *clk =
-		(struct exynos5_clock *)samsung_get_base_clock();
-	unsigned long uclk, sclk;
-	unsigned int sel, ratio, pre_ratio;
-	int shift = 0;
-
-	sel = readl(&clk->src_fsys);
-	sel = (sel >> (dev_index << 2)) & 0xf;
-
-	if (sel == 0x6)
-		sclk = get_pll_clk(MPLL);
-	else if (sel == 0x7)
-		sclk = get_pll_clk(EPLL);
-	else if (sel == 0x8)
-		sclk = get_pll_clk(VPLL);
-	else
-		return 0;
-
-	switch (dev_index) {
-	case 0:
-	case 1:
-		ratio = readl(&clk->div_fsys1);
-		pre_ratio = readl(&clk->div_fsys1);
-		break;
-	case 2:
-	case 3:
-		ratio = readl(&clk->div_fsys2);
-		pre_ratio = readl(&clk->div_fsys2);
-		break;
-	default:
-		return 0;
-	}
-
-	if (dev_index == 1 || dev_index == 3)
-		shift = 16;
-
-	ratio = (ratio >> shift) & 0xf;
-	pre_ratio = (pre_ratio >> (shift + 8)) & 0xff;
-	uclk = (sclk / (ratio + 1)) / (pre_ratio + 1);
-
-	return uclk;
-}
-
-static unsigned long exynos5420_get_mmc_clk(int dev_index)
-{
-	struct exynos5420_clock *clk =
-		(struct exynos5420_clock *)samsung_get_base_clock();
-	unsigned long uclk, sclk;
-	unsigned int sel, ratio;
-
-	/*
-	 * CLK_SRC_FSYS
-	 * MMC0_SEL [10:8]
-	 * MMC1_SEL [14:12]
-	 * MMC2_SEL [18:16]
-	 * generalised calculation as follows
-	 * sel = (sel >> ((dev_index * 4) + 8)) & mask
-	 */
-	sel = readl(&clk->src_fsys);
-	sel = (sel >> ((dev_index * 4) + 8)) & 0x7;
-
-	if (sel == 0x3)
-		sclk = get_pll_clk(MPLL);
-	else if (sel == 0x4)
-		sclk = get_pll_clk(SPLL);
-	else if (sel == 0x6)
-		sclk = get_pll_clk(EPLL);
-	else
-		return 0;
-
-	/*
-	 * CLK_DIV_FSYS1
-	 * MMC0_RATIO [9:0]
-	 * MMC1_RATIO [19:10]
-	 * MMC2_RATIO [29:20]
-	 * generalised calculation as follows
-	 * ratio = (ratio >> (dev_index * 10)) & mask
-	 */
-	ratio = readl(&clk->div_fsys1);
-	ratio = (ratio >> (dev_index * 10)) & 0x3ff;
-
-	uclk = (sclk / (ratio + 1));
-
-	return uclk;
-}
-
 /* exynos4: set the mmc clock */
 static void exynos4_set_mmc_clk(int dev_index, unsigned int div)
 {
@@ -1249,29 +1209,6 @@ void exynos4_set_mipi_clk(void)
 	clrsetbits_le32(&clk->div_lcd0, 0xf << 16, 0x1 << 16);
 }
 
-/*
- * I2C
- *
- * exynos5: obtaining the I2C clock
- */
-static unsigned long exynos5_get_i2c_clk(void)
-{
-	struct exynos5_clock *clk =
-		(struct exynos5_clock *)samsung_get_base_clock();
-	unsigned long aclk_66, aclk_66_pre, sclk;
-	unsigned int ratio;
-
-	sclk = get_pll_clk(MPLL);
-
-	ratio = (readl(&clk->div_top1)) >> 24;
-	ratio &= 0x7;
-	aclk_66_pre = sclk / (ratio + 1);
-	ratio = readl(&clk->div_top0);
-	ratio &= 0x7;
-	aclk_66 = aclk_66_pre / (ratio + 1);
-	return aclk_66;
-}
-
 int exynos5_set_epll_clk(unsigned long rate)
 {
 	unsigned int epll_con, epll_con_k;
@@ -1585,7 +1522,7 @@ unsigned long get_pll_clk(int pllreg)
 {
 	if (cpu_is_exynos5()) {
 		if (proid_is_exynos5420() || proid_is_exynos5800())
-			return exynos5420_get_pll_clk(pllreg);
+			return exynos542x_get_pll_clk(pllreg);
 		return exynos5_get_pll_clk(pllreg);
 	} else {
 		if (proid_is_exynos4412())
@@ -1608,7 +1545,7 @@ unsigned long get_arm_clk(void)
 unsigned long get_i2c_clk(void)
 {
 	if (cpu_is_exynos5()) {
-		return exynos5_get_i2c_clk();
+		return clock_get_periph_rate(PERIPH_ID_I2C0);
 	} else if (cpu_is_exynos4()) {
 		return exynos4_get_i2c_clk();
 	} else {
@@ -1620,8 +1557,6 @@ unsigned long get_i2c_clk(void)
 unsigned long get_pwm_clk(void)
 {
 	if (cpu_is_exynos5()) {
-		if (proid_is_exynos5420() || proid_is_exynos5800())
-			return exynos5420_get_pwm_clk();
 		return clock_get_periph_rate(PERIPH_ID_PWM0);
 	} else {
 		if (proid_is_exynos4412())
@@ -1632,10 +1567,28 @@ unsigned long get_pwm_clk(void)
 
 unsigned long get_uart_clk(int dev_index)
 {
+	enum periph_id id;
+
+	switch (dev_index) {
+	case 0:
+		id = PERIPH_ID_UART0;
+		break;
+	case 1:
+		id = PERIPH_ID_UART1;
+		break;
+	case 2:
+		id = PERIPH_ID_UART2;
+		break;
+	case 3:
+		id = PERIPH_ID_UART3;
+		break;
+	default:
+		debug("%s: invalid UART index %d", __func__, dev_index);
+		return -1;
+	}
+
 	if (cpu_is_exynos5()) {
-		if (proid_is_exynos5420() || proid_is_exynos5800())
-			return exynos5420_get_uart_clk(dev_index);
-		return exynos5_get_uart_clk(dev_index);
+		return clock_get_periph_rate(id);
 	} else {
 		if (proid_is_exynos4412())
 			return exynos4x12_get_uart_clk(dev_index);
@@ -1645,10 +1598,28 @@ unsigned long get_uart_clk(int dev_index)
 
 unsigned long get_mmc_clk(int dev_index)
 {
+	enum periph_id id;
+
+	switch (dev_index) {
+	case 0:
+		id = PERIPH_ID_SDMMC0;
+		break;
+	case 1:
+		id = PERIPH_ID_SDMMC1;
+		break;
+	case 2:
+		id = PERIPH_ID_SDMMC2;
+		break;
+	case 3:
+		id = PERIPH_ID_SDMMC3;
+		break;
+	default:
+		debug("%s: invalid MMC index %d", __func__, dev_index);
+		return -1;
+	}
+
 	if (cpu_is_exynos5()) {
-		if (proid_is_exynos5420() || proid_is_exynos5800())
-			return exynos5420_get_mmc_clk(dev_index);
-		return exynos5_get_mmc_clk(dev_index);
+		return clock_get_periph_rate(id);
 	} else {
 		return exynos4_get_mmc_clk(dev_index);
 	}
@@ -1656,6 +1627,10 @@ unsigned long get_mmc_clk(int dev_index)
 
 void set_mmc_clk(int dev_index, unsigned int div)
 {
+	/* If want to set correct value, it needs to substract one from div.*/
+	if (div > 0)
+		div -= 1;
+
 	if (cpu_is_exynos5()) {
 		if (proid_is_exynos5420() || proid_is_exynos5800())
 			exynos5420_set_mmc_clk(dev_index, div);

arch/arm/cpu/armv7/exynos/pinmux.c

@@ -266,22 +266,33 @@ static void exynos5_sromc_config(int flags)
 
 static void exynos5_i2c_config(int peripheral, int flags)
 {
+	int func01, func23;
+
+	 /* High-Speed I2C */
+	if (flags & PINMUX_FLAG_HS_MODE) {
+		func01 = 4;
+		func23 = 4;
+	} else {
+		func01 = 2;
+		func23 = 3;
+	}
+
 	switch (peripheral) {
 	case PERIPH_ID_I2C0:
-		gpio_cfg_pin(EXYNOS5_GPIO_B30, S5P_GPIO_FUNC(0x2));
-		gpio_cfg_pin(EXYNOS5_GPIO_B31, S5P_GPIO_FUNC(0x2));
+		gpio_cfg_pin(EXYNOS5_GPIO_B30, S5P_GPIO_FUNC(func01));
+		gpio_cfg_pin(EXYNOS5_GPIO_B31, S5P_GPIO_FUNC(func01));
 		break;
 	case PERIPH_ID_I2C1:
-		gpio_cfg_pin(EXYNOS5_GPIO_B32, S5P_GPIO_FUNC(0x2));
-		gpio_cfg_pin(EXYNOS5_GPIO_B33, S5P_GPIO_FUNC(0x2));
+		gpio_cfg_pin(EXYNOS5_GPIO_B32, S5P_GPIO_FUNC(func01));
+		gpio_cfg_pin(EXYNOS5_GPIO_B33, S5P_GPIO_FUNC(func01));
 		break;
 	case PERIPH_ID_I2C2:
-		gpio_cfg_pin(EXYNOS5_GPIO_A06, S5P_GPIO_FUNC(0x3));
-		gpio_cfg_pin(EXYNOS5_GPIO_A07, S5P_GPIO_FUNC(0x3));
+		gpio_cfg_pin(EXYNOS5_GPIO_A06, S5P_GPIO_FUNC(func23));
+		gpio_cfg_pin(EXYNOS5_GPIO_A07, S5P_GPIO_FUNC(func23));
 		break;
 	case PERIPH_ID_I2C3:
-		gpio_cfg_pin(EXYNOS5_GPIO_A12, S5P_GPIO_FUNC(0x3));
-		gpio_cfg_pin(EXYNOS5_GPIO_A13, S5P_GPIO_FUNC(0x3));
+		gpio_cfg_pin(EXYNOS5_GPIO_A12, S5P_GPIO_FUNC(func23));
+		gpio_cfg_pin(EXYNOS5_GPIO_A13, S5P_GPIO_FUNC(func23));
 		break;
 	case PERIPH_ID_I2C4:
 		gpio_cfg_pin(EXYNOS5_GPIO_A20, S5P_GPIO_FUNC(0x3));

arch/arm/cpu/armv7/exynos/power.c

@@ -102,10 +102,34 @@ static void exynos5_set_usbdrd_phy_ctrl(unsigned int enable)
 	}
 }
 
+static void exynos5420_set_usbdev_phy_ctrl(unsigned int enable)
+{
+	struct exynos5420_power *power =
+		(struct exynos5420_power *)samsung_get_base_power();
+
+	if (enable) {
+		/* Enabling USBDEV_PHY */
+		setbits_le32(&power->usbdev_phy_control,
+				POWER_USB_DRD_PHY_CTRL_EN);
+		setbits_le32(&power->usbdev1_phy_control,
+				POWER_USB_DRD_PHY_CTRL_EN);
+	} else {
+		/* Disabling USBDEV_PHY */
+		clrbits_le32(&power->usbdev_phy_control,
+				POWER_USB_DRD_PHY_CTRL_EN);
+		clrbits_le32(&power->usbdev1_phy_control,
+				POWER_USB_DRD_PHY_CTRL_EN);
+	}
+}
+
 void set_usbdrd_phy_ctrl(unsigned int enable)
 {
-	if (cpu_is_exynos5())
-		exynos5_set_usbdrd_phy_ctrl(enable);
+	if (cpu_is_exynos5()) {
+		if (proid_is_exynos5420() || proid_is_exynos5800())
+			exynos5420_set_usbdev_phy_ctrl(enable);
+		else
+			exynos5_set_usbdrd_phy_ctrl(enable);
+	}
 }
 
 static void exynos5_dp_phy_control(unsigned int enable)

arch/arm/cpu/armv7/exynos/spl_boot.c

@@ -309,4 +309,3 @@ void board_init_r(gd_t *id, ulong dest_addr)
 	while (1)
 		;
 }
-void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3) {}

arch/arm/cpu/armv7/mx6/ddr.c

@@ -12,6 +12,65 @@
 #include <asm/io.h>
 #include <asm/types.h>
 
+#if defined(CONFIG_MX6SX)
+/* Configure MX6SX mmdc iomux */
+void mx6sx_dram_iocfg(unsigned width,
+		      const struct mx6sx_iomux_ddr_regs *ddr,
+		      const struct mx6sx_iomux_grp_regs *grp)
+{
+	struct mx6sx_iomux_ddr_regs *mx6_ddr_iomux;
+	struct mx6sx_iomux_grp_regs *mx6_grp_iomux;
+
+	mx6_ddr_iomux = (struct mx6sx_iomux_ddr_regs *)MX6SX_IOM_DDR_BASE;
+	mx6_grp_iomux = (struct mx6sx_iomux_grp_regs *)MX6SX_IOM_GRP_BASE;
+
+	/* DDR IO TYPE */
+	writel(grp->grp_ddr_type, &mx6_grp_iomux->grp_ddr_type);
+	writel(grp->grp_ddrpke, &mx6_grp_iomux->grp_ddrpke);
+
+	/* CLOCK */
+	writel(ddr->dram_sdclk_0, &mx6_ddr_iomux->dram_sdclk_0);
+
+	/* ADDRESS */
+	writel(ddr->dram_cas, &mx6_ddr_iomux->dram_cas);
+	writel(ddr->dram_ras, &mx6_ddr_iomux->dram_ras);
+	writel(grp->grp_addds, &mx6_grp_iomux->grp_addds);
+
+	/* Control */
+	writel(ddr->dram_reset, &mx6_ddr_iomux->dram_reset);
+	writel(ddr->dram_sdba2, &mx6_ddr_iomux->dram_sdba2);
+	writel(ddr->dram_sdcke0, &mx6_ddr_iomux->dram_sdcke0);
+	writel(ddr->dram_sdcke1, &mx6_ddr_iomux->dram_sdcke1);
+	writel(ddr->dram_odt0, &mx6_ddr_iomux->dram_odt0);
+	writel(ddr->dram_odt1, &mx6_ddr_iomux->dram_odt1);
+	writel(grp->grp_ctlds, &mx6_grp_iomux->grp_ctlds);
+
+	/* Data Strobes */
+	writel(grp->grp_ddrmode_ctl, &mx6_grp_iomux->grp_ddrmode_ctl);
+	writel(ddr->dram_sdqs0, &mx6_ddr_iomux->dram_sdqs0);
+	writel(ddr->dram_sdqs1, &mx6_ddr_iomux->dram_sdqs1);
+	if (width >= 32) {
+		writel(ddr->dram_sdqs2, &mx6_ddr_iomux->dram_sdqs2);
+		writel(ddr->dram_sdqs3, &mx6_ddr_iomux->dram_sdqs3);
+	}
+
+	/* Data */
+	writel(grp->grp_ddrmode, &mx6_grp_iomux->grp_ddrmode);
+	writel(grp->grp_b0ds, &mx6_grp_iomux->grp_b0ds);
+	writel(grp->grp_b1ds, &mx6_grp_iomux->grp_b1ds);
+	if (width >= 32) {
+		writel(grp->grp_b2ds, &mx6_grp_iomux->grp_b2ds);
+		writel(grp->grp_b3ds, &mx6_grp_iomux->grp_b3ds);
+	}
+	writel(ddr->dram_dqm0, &mx6_ddr_iomux->dram_dqm0);
+	writel(ddr->dram_dqm1, &mx6_ddr_iomux->dram_dqm1);
+	if (width >= 32) {
+		writel(ddr->dram_dqm2, &mx6_ddr_iomux->dram_dqm2);
+		writel(ddr->dram_dqm3, &mx6_ddr_iomux->dram_dqm3);
+	}
+}
+#endif
+
 #if defined(CONFIG_MX6QDL) || defined(CONFIG_MX6Q) || defined(CONFIG_MX6D)
 /* Configure MX6DQ mmdc iomux */
 void mx6dq_dram_iocfg(unsigned width,
@@ -184,12 +243,19 @@ void mx6sdl_dram_iocfg(unsigned width,
  */
 #define MR(val, ba, cmd, cs1) \
 	((val << 16) | (1 << 15) | (cmd << 4) | (cs1 << 3) | ba)
+#ifdef CONFIG_MX6SX
+#define MMDC1(entry, value)	do {} while (0)
+#else
+#define MMDC1(entry, value) do { mmdc1->entry = value; } while (0)
+#endif
 void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo,
 		  const struct mx6_mmdc_calibration *calib,
 		  const struct mx6_ddr3_cfg *ddr3_cfg)
 {
 	volatile struct mmdc_p_regs *mmdc0;
+#ifndef CONFIG_MX6SX
 	volatile struct mmdc_p_regs *mmdc1;
+#endif
 	u32 val;
 	u8 tcke, tcksrx, tcksre, txpdll, taofpd, taonpd, trrd;
 	u8 todtlon, taxpd, tanpd, tcwl, txp, tfaw, tcl;
@@ -203,7 +269,9 @@ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo,
 	int cs;
 
 	mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR;
+#ifndef CONFIG_MX6SX
 	mmdc1 = (struct mmdc_p_regs *)MMDC_P1_BASE_ADDR;
+#endif
 
 	/* MX6D/MX6Q: 1066 MHz memory clock, clkper = 1.894ns = 1894ps */
 	if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D)) {
@@ -362,12 +430,12 @@ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo,
 	mmdc0->mprddlctl = calib->p0_mprddlctl;
 	mmdc0->mpwrdlctl = calib->p0_mpwrdlctl;
 	if (sysinfo->dsize > 1) {
-		mmdc1->mpwldectrl0 = calib->p1_mpwldectrl0;
-		mmdc1->mpwldectrl1 = calib->p1_mpwldectrl1;
-		mmdc1->mpdgctrl0 = calib->p1_mpdgctrl0;
-		mmdc1->mpdgctrl1 = calib->p1_mpdgctrl1;
-		mmdc1->mprddlctl = calib->p1_mprddlctl;
-		mmdc1->mpwrdlctl = calib->p1_mpwrdlctl;
+		MMDC1(mpwldectrl0, calib->p1_mpwldectrl0);
+		MMDC1(mpwldectrl1, calib->p1_mpwldectrl1);
+		MMDC1(mpdgctrl0, calib->p1_mpdgctrl0);
+		MMDC1(mpdgctrl1, calib->p1_mpdgctrl1);
+		MMDC1(mprddlctl, calib->p1_mprddlctl);
+		MMDC1(mpwrdlctl, calib->p1_mpwrdlctl);
 	}
 
 	/* Read data DQ Byte0-3 delay */
@@ -379,23 +447,23 @@ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo,
 	}
 
 	if (sysinfo->dsize > 1) {
-		mmdc1->mprddqby0dl = 0x33333333;
-		mmdc1->mprddqby1dl = 0x33333333;
-		mmdc1->mprddqby2dl = 0x33333333;
-		mmdc1->mprddqby3dl = 0x33333333;
+		MMDC1(mprddqby0dl, 0x33333333);
+		MMDC1(mprddqby1dl, 0x33333333);
+		MMDC1(mprddqby2dl, 0x33333333);
+		MMDC1(mprddqby3dl, 0x33333333);
 	}
 
 	/* MMDC Termination: rtt_nom:2 RZQ/2(120ohm), rtt_nom:1 RZQ/4(60ohm) */
 	val = (sysinfo->rtt_nom == 2) ? 0x00011117 : 0x00022227;
 	mmdc0->mpodtctrl = val;
 	if (sysinfo->dsize > 1)
-		mmdc1->mpodtctrl = val;
+		MMDC1(mpodtctrl, val);
 
 	/* complete calibration */
 	val = (1 << 11); /* Force measurement on delay-lines */
 	mmdc0->mpmur0 = val;
 	if (sysinfo->dsize > 1)
-		mmdc1->mpmur0 = val;
+		MMDC1(mpmur0, val);
 
 	/* Step 1: configuration request */
 	mmdc0->mdscr = (u32)(1 << 15); /* config request */
@@ -435,7 +503,7 @@ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo,
 	val = 0xa1390001; /* one-time HW ZQ calib */
 	mmdc0->mpzqhwctrl = val;
 	if (sysinfo->dsize > 1)
-		mmdc1->mpzqhwctrl = val;
+		MMDC1(mpzqhwctrl, val);
 
 	/* Step 7: Enable MMDC with desired chip select */
 	mmdc0->mdctl |= (1 << 31) |			     /* SDE_0 for CS0 */
@@ -477,7 +545,7 @@ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo,
 	val = 0xa1390003;
 	mmdc0->mpzqhwctrl = val;
 	if (sysinfo->dsize > 1)
-		mmdc1->mpzqhwctrl = val;
+		MMDC1(mpzqhwctrl, val);
 
 	/* Step 12: Configure and activate periodic refresh */
 	mmdc0->mdref = (1 << 14) | /* REF_SEL: Periodic refresh cycle: 32kHz */

arch/arm/cpu/armv7/mx6/soc.c

@@ -109,7 +109,7 @@ void init_aips(void)
 	aips1 = (struct aipstz_regs *)AIPS1_BASE_ADDR;
 	aips2 = (struct aipstz_regs *)AIPS2_BASE_ADDR;
 #ifdef CONFIG_MX6SX
-	aips3 = (struct aipstz_regs *)AIPS3_BASE_ADDR;
+	aips3 = (struct aipstz_regs *)AIPS3_CONFIG_BASE_ADDR;
 #endif
 
 	/*

arch/arm/cpu/armv7/omap-common/clocks-common.c

@@ -437,12 +437,15 @@ void do_scale_vcore(u32 vcore_reg, u32 volt_mv, struct pmic_data *pmic)
 {
 	u32 offset_code;
 	u32 offset = volt_mv;
+#ifndef	CONFIG_DRA7XX
 	int ret = 0;
+#endif
 
 	if (!volt_mv)
 		return;
 
 	pmic->pmic_bus_init();
+#ifndef	CONFIG_DRA7XX
 	/* See if we can first get the GPIO if needed */
 	if (pmic->gpio_en)
 		ret = gpio_request(pmic->gpio, "PMIC_GPIO");
@@ -456,7 +459,7 @@ void do_scale_vcore(u32 vcore_reg, u32 volt_mv, struct pmic_data *pmic)
 	/* Pull the GPIO low to select SET0 register, while we program SET1 */
 	if (pmic->gpio_en)
 		gpio_direction_output(pmic->gpio, 0);
-
+#endif
 	/* convert to uV for better accuracy in the calculations */
 	offset *= 1000;
 
@@ -467,9 +470,10 @@ void do_scale_vcore(u32 vcore_reg, u32 volt_mv, struct pmic_data *pmic)
 
 	if (pmic->pmic_write(pmic->i2c_slave_addr, vcore_reg, offset_code))
 		printf("Scaling voltage failed for 0x%x\n", vcore_reg);
-
+#ifndef	CONFIG_DRA7XX
 	if (pmic->gpio_en)
 		gpio_direction_output(pmic->gpio, 1);
+#endif
 }
 
 static u32 optimize_vcore_voltage(struct volts const *v)
@@ -505,13 +509,79 @@ static u32 optimize_vcore_voltage(struct volts const *v)
 }
 
 /*
- * Setup the voltages for vdd_mpu, vdd_core, and vdd_iva
- * We set the maximum voltages allowed here because Smart-Reflex is not
- * enabled in bootloader. Voltage initialization in the kernel will set
- * these to the nominal values after enabling Smart-Reflex
+ * Setup the voltages for the main SoC core power domains.
+ * We start with the maximum voltages allowed here, as set in the corresponding
+ * vcores_data struct, and then scale (usually down) to the fused values that
+ * are retrieved from the SoC. The scaling happens only if the efuse.reg fields
+ * are initialised.
+ * Rail grouping is supported for the DRA7xx SoCs only, therefore the code is
+ * compiled conditionally. Note that the new code writes the scaled (or zeroed)
+ * values back to the vcores_data struct for eventual reuse. Zero values mean
+ * that the corresponding rails are not controlled separately, and are not sent
+ * to the PMIC.
  */
 void scale_vcores(struct vcores_data const *vcores)
 {
+#if defined(CONFIG_DRA7XX)
+	int i;
+	struct volts *pv = (struct volts *)vcores;
+	struct volts *px;
+
+	for (i=0; i<(sizeof(struct vcores_data)/sizeof(struct volts)); i++) {
+		debug("%d -> ", pv->value);
+		if (pv->value) {
+			/* Handle non-empty members only */
+			pv->value = optimize_vcore_voltage(pv);
+     			px = (struct volts *)vcores;
+			while (px < pv) {
+				/*
+				 * Scan already handled non-empty members to see
+				 * if we have a group and find the max voltage,
+				 * which is set to the first occurance of the
+				 * particular SMPS; the other group voltages are
+				 * zeroed.
+				 */
+				if (px->value) {
+					if ((pv->pmic->i2c_slave_addr ==
+					     px->pmic->i2c_slave_addr) &&
+					    (pv->addr == px->addr)) {
+					    	/* Same PMIC, same SMPS */
+						if (pv->value > px->value)
+							px->value = pv->value;
+
+						pv->value = 0;
+					}
+		     		}
+				px++;
+			}
+		}
+	     	debug("%d\n", pv->value);
+		pv++;
+	}
+
+	debug("cor: %d\n", vcores->core.value);
+	do_scale_vcore(vcores->core.addr, vcores->core.value, vcores->core.pmic);
+	debug("mpu: %d\n", vcores->mpu.value);
+	do_scale_vcore(vcores->mpu.addr, vcores->mpu.value, vcores->mpu.pmic);
+	/* Configure MPU ABB LDO after scale */
+	abb_setup((*ctrl)->control_std_fuse_opp_vdd_mpu_2,
+		  (*ctrl)->control_wkup_ldovbb_mpu_voltage_ctrl,
+		  (*prcm)->prm_abbldo_mpu_setup,
+		  (*prcm)->prm_abbldo_mpu_ctrl,
+		  (*prcm)->prm_irqstatus_mpu_2,
+		  OMAP_ABB_MPU_TXDONE_MASK,
+		  OMAP_ABB_FAST_OPP);
+
+	/* The .mm member is not used for the DRA7xx */
+
+	debug("gpu: %d\n", vcores->gpu.value);
+	do_scale_vcore(vcores->gpu.addr, vcores->gpu.value, vcores->gpu.pmic);
+	debug("eve: %d\n", vcores->eve.value);
+	do_scale_vcore(vcores->eve.addr, vcores->eve.value, vcores->eve.pmic);
+	debug("iva: %d\n", vcores->iva.value);
+	do_scale_vcore(vcores->iva.addr, vcores->iva.value, vcores->iva.pmic);
+	/* Might need udelay(1000) here if debug is enabled to see all prints */
+#else
 	u32 val;
 
 	val = optimize_vcore_voltage(&vcores->core);
@@ -540,6 +610,7 @@ void scale_vcores(struct vcores_data const *vcores)
 
 	val = optimize_vcore_voltage(&vcores->iva);
 	do_scale_vcore(vcores->iva.addr, val, vcores->iva.pmic);
+#endif
 }
 
 static inline void enable_clock_domain(u32 const clkctrl_reg, u32 enable_mode)

arch/arm/cpu/armv7/omap-common/emif-common.c

@@ -252,6 +252,8 @@ static void ddr3_init(u32 base, const struct emif_regs *regs)
 {
 	struct emif_reg_struct *emif = (struct emif_reg_struct *)base;
 
+	writel(regs->ref_ctrl, &emif->emif_sdram_ref_ctrl);
+	writel(regs->sdram_config_init, &emif->emif_sdram_config);
 	/*
 	 * Set SDRAM_CONFIG and PHY control registers to locked frequency
 	 * and RL =7. As the default values of the Mode Registers are not
@@ -265,7 +267,6 @@ static void ddr3_init(u32 base, const struct emif_regs *regs)
 	writel(regs->sdram_tim2, &emif->emif_sdram_tim_2);
 	writel(regs->sdram_tim3, &emif->emif_sdram_tim_3);
 
-	writel(regs->ref_ctrl, &emif->emif_sdram_ref_ctrl);
 	writel(regs->read_idle_ctrl, &emif->emif_read_idlectrl);
 
 	/*
@@ -274,6 +275,7 @@ static void ddr3_init(u32 base, const struct emif_regs *regs)
 	 */
 	if (is_dra7xx()) {
 		do_ext_phy_settings(base, regs);
+		writel(regs->ref_ctrl_final, &emif->emif_sdram_ref_ctrl);
 		writel(regs->sdram_config2, &emif->emif_lpddr2_nvm_config);
 		writel(regs->sdram_config_init, &emif->emif_sdram_config);
 	} else {

arch/arm/cpu/armv7/omap-common/lowlevel_init.S

@@ -19,7 +19,7 @@
 ENTRY(save_boot_params)
 	ldr	r1, =OMAP_SRAM_SCRATCH_BOOT_PARAMS
 	str	r0, [r1]
-	bx	lr
+	b	save_boot_params_ret
 ENDPROC(save_boot_params)
 
 ENTRY(set_pl310_ctrl_reg)

arch/arm/cpu/armv7/omap3/Kconfig

@@ -93,6 +93,21 @@ config TARGET_TWISTER
 
 endchoice
 
+config DM
+	default y if !SPL_BUILD
+
+config DM_GPIO
+	default y if DM && !SPL_BUILD
+
+config DM_SERIAL
+	default y if DM && !SPL_BUILD
+
+config SYS_MALLOC_F
+	default y if DM && !SPL_BUILD
+
+config SYS_MALLOC_F_LEN
+	default 0x400 if DM && !SPL_BUILD
+
 config SYS_SOC
 	default "omap3"
 

arch/arm/cpu/armv7/omap3/clock.c

@@ -732,11 +732,20 @@ void per_clocks_enable(void)
 	setbits_le32(&prcm_base->iclken_per, 0x08);	/* ICKen GPT2 */
 	setbits_le32(&prcm_base->fclken_per, 0x08);	/* FCKen GPT2 */
 
+	/* Enable GP9 timer. */
+	setbits_le32(&prcm_base->clksel_per, 0x80);	/* GPT9 = 32kHz clk */
+	setbits_le32(&prcm_base->iclken_per, 0x400);	/* ICKen GPT9 */
+	setbits_le32(&prcm_base->fclken_per, 0x400);	/* FCKen GPT9 */
+
 #ifdef CONFIG_SYS_NS16550
 	/* Enable UART1 clocks */
 	setbits_le32(&prcm_base->fclken1_core, 0x00002000);
 	setbits_le32(&prcm_base->iclken1_core, 0x00002000);
 
+	/* Enable UART2 clocks */
+	setbits_le32(&prcm_base->fclken1_core, 0x00004000);
+	setbits_le32(&prcm_base->iclken1_core, 0x00004000);
+
 	/* UART 3 Clocks */
 	setbits_le32(&prcm_base->fclken_per, 0x00000800);
 	setbits_le32(&prcm_base->iclken_per, 0x00000800);

arch/arm/cpu/armv7/omap3/lowlevel_init.S

@@ -23,7 +23,7 @@ ENTRY(save_boot_params)
 	ldr	r5, [r0, #0x4]
 	and	r5, r5, #0xff
 	str	r5, [r4]
-	bx	lr
+	b	save_boot_params_ret
 ENDPROC(save_boot_params)
 #endif
 

arch/arm/cpu/armv7/omap3/sdrc.c

@@ -135,6 +135,9 @@ void do_sdrc_init(u32 cs, u32 early)
 	sdrc_actim_base0 = (struct sdrc_actim *)SDRC_ACTIM_CTRL0_BASE;
 	sdrc_actim_base1 = (struct sdrc_actim *)SDRC_ACTIM_CTRL1_BASE;
 
+	/* set some default timings */
+	timings.sharing = SDRC_SHARING;
+
 	/*
 	 * When called in the early context this may be SPL and we will
 	 * need to set all of the timings.  This ends up being board
@@ -145,6 +148,7 @@ void do_sdrc_init(u32 cs, u32 early)
 	 * setup CS1.
 	 */
 #ifdef CONFIG_SPL_BUILD
+	/* set/modify board-specific timings */
 	get_board_mem_timings(&timings);
 #endif
 	if (early) {
@@ -155,7 +159,7 @@ void do_sdrc_init(u32 cs, u32 early)
 		writel(0, &sdrc_base->sysconfig);
 
 		/* setup sdrc to ball mux */
-		writel(SDRC_SHARING, &sdrc_base->sharing);
+		writel(timings.sharing, &sdrc_base->sharing);
 
 		/* Disable Power Down of CKE because of 1 CKE on combo part */
 		writel(WAKEUPPROC | SRFRONRESET | PAGEPOLICY_HIGH,

arch/arm/cpu/armv7/omap5/hw_data.c

@@ -320,6 +320,7 @@ struct pmic_data palmas = {
 	.pmic_write	= omap_vc_bypass_send_value,
 };
 
+/* The TPS659038 and TPS65917 are software-compatible, use common struct */
 struct pmic_data tps659038 = {
 	.base_offset = PALMAS_SMPS_BASE_VOLT_UV,
 	.step = 10000, /* 10 mV represented in uV */
@@ -394,34 +395,38 @@ struct vcores_data dra752_volts = {
 };
 
 struct vcores_data dra722_volts = {
-	.mpu.value	= 1000,
+	.mpu.value	= VDD_MPU_DRA72x,
 	.mpu.efuse.reg	= STD_FUSE_OPP_VMIN_MPU_NOM,
-	.mpu.efuse.reg_bits	= DRA752_EFUSE_REGBITS,
-	.mpu.addr	= 0x23,
+	.mpu.efuse.reg_bits = DRA752_EFUSE_REGBITS,
+	.mpu.addr	= TPS65917_REG_ADDR_SMPS1,
 	.mpu.pmic	= &tps659038,
 
-	.eve.value	= 1000,
-	.eve.efuse.reg	= STD_FUSE_OPP_VMIN_DSPEVE_NOM,
-	.eve.efuse.reg_bits	= DRA752_EFUSE_REGBITS,
-	.eve.addr	= 0x2f,
-	.eve.pmic	= &tps659038,
-
-	.gpu.value	= 1000,
-	.gpu.efuse.reg	= STD_FUSE_OPP_VMIN_GPU_NOM,
-	.gpu.efuse.reg_bits	= DRA752_EFUSE_REGBITS,
-	.gpu.addr	= 0x2f,
-	.gpu.pmic	= &tps659038,
-
-	.core.value	= 1000,
+	.core.value	= VDD_CORE_DRA72x,
 	.core.efuse.reg	= STD_FUSE_OPP_VMIN_CORE_NOM,
 	.core.efuse.reg_bits = DRA752_EFUSE_REGBITS,
-	.core.addr	= 0x27,
+	.core.addr	= TPS65917_REG_ADDR_SMPS2,
 	.core.pmic	= &tps659038,
 
-	.iva.value	= 1000,
+	/*
+	 * The DSPEVE, GPU and IVA rails are usually grouped on DRA72x
+	 * designs and powered by TPS65917 SMPS3, as on the J6Eco EVM.
+	 */
+	.gpu.value	= VDD_GPU_DRA72x,
+	.gpu.efuse.reg	= STD_FUSE_OPP_VMIN_GPU_NOM,
+	.gpu.efuse.reg_bits = DRA752_EFUSE_REGBITS,
+	.gpu.addr	= TPS65917_REG_ADDR_SMPS3,
+	.gpu.pmic	= &tps659038,
+
+	.eve.value	= VDD_EVE_DRA72x,
+	.eve.efuse.reg	= STD_FUSE_OPP_VMIN_DSPEVE_NOM,
+	.eve.efuse.reg_bits = DRA752_EFUSE_REGBITS,
+	.eve.addr	= TPS65917_REG_ADDR_SMPS3,
+	.eve.pmic	= &tps659038,
+
+	.iva.value	= VDD_IVA_DRA72x,
 	.iva.efuse.reg	= STD_FUSE_OPP_VMIN_IVA_NOM,
-	.iva.efuse.reg_bits	= DRA752_EFUSE_REGBITS,
-	.iva.addr	= 0x2f,
+	.iva.efuse.reg_bits = DRA752_EFUSE_REGBITS,
+	.iva.addr	= TPS65917_REG_ADDR_SMPS3,
 	.iva.pmic	= &tps659038,
 };
 

arch/arm/cpu/armv7/omap5/sdram.c

@@ -141,7 +141,8 @@ const struct emif_regs emif_1_regs_ddr3_532_mhz_1cs_dra_es1 = {
 	.sdram_config_init              = 0x61851ab2,
 	.sdram_config                   = 0x61851ab2,
 	.sdram_config2			= 0x08000000,
-	.ref_ctrl                       = 0x00001035,
+	.ref_ctrl                       = 0x000040F1,
+	.ref_ctrl_final			= 0x00001035,
 	.sdram_tim1                     = 0xCCCF36B3,
 	.sdram_tim2                     = 0x308F7FDA,
 	.sdram_tim3                     = 0x027F88A8,
@@ -151,10 +152,10 @@ const struct emif_regs emif_1_regs_ddr3_532_mhz_1cs_dra_es1 = {
 	.emif_ddr_phy_ctlr_1_init       = 0x0E24400A,
 	.emif_ddr_phy_ctlr_1            = 0x0E24400A,
 	.emif_ddr_ext_phy_ctrl_1        = 0x10040100,
-	.emif_ddr_ext_phy_ctrl_2        = 0x00BB00BB,
-	.emif_ddr_ext_phy_ctrl_3        = 0x00BB00BB,
-	.emif_ddr_ext_phy_ctrl_4        = 0x00BB00BB,
-	.emif_ddr_ext_phy_ctrl_5        = 0x00BB00BB,
+	.emif_ddr_ext_phy_ctrl_2        = 0x00910091,
+	.emif_ddr_ext_phy_ctrl_3        = 0x00950095,
+	.emif_ddr_ext_phy_ctrl_4        = 0x009B009B,
+	.emif_ddr_ext_phy_ctrl_5        = 0x009E009E,
 	.emif_rd_wr_lvl_rmp_win         = 0x00000000,
 	.emif_rd_wr_lvl_rmp_ctl         = 0x00000000,
 	.emif_rd_wr_lvl_ctl             = 0x00000000,
@@ -165,7 +166,8 @@ const struct emif_regs emif_2_regs_ddr3_532_mhz_1cs_dra_es1 = {
 	.sdram_config_init              = 0x61851B32,
 	.sdram_config                   = 0x61851B32,
 	.sdram_config2			= 0x08000000,
-	.ref_ctrl                       = 0x00001035,
+	.ref_ctrl                       = 0x000040F1,
+	.ref_ctrl_final			= 0x00001035,
 	.sdram_tim1                     = 0xCCCF36B3,
 	.sdram_tim2                     = 0x308F7FDA,
 	.sdram_tim3                     = 0x027F88A8,
@@ -175,10 +177,10 @@ const struct emif_regs emif_2_regs_ddr3_532_mhz_1cs_dra_es1 = {
 	.emif_ddr_phy_ctlr_1_init       = 0x0E24400A,
 	.emif_ddr_phy_ctlr_1            = 0x0E24400A,
 	.emif_ddr_ext_phy_ctrl_1        = 0x10040100,
-	.emif_ddr_ext_phy_ctrl_2        = 0x00BB00BB,
-	.emif_ddr_ext_phy_ctrl_3        = 0x00BB00BB,
-	.emif_ddr_ext_phy_ctrl_4        = 0x00BB00BB,
-	.emif_ddr_ext_phy_ctrl_5        = 0x00BB00BB,
+	.emif_ddr_ext_phy_ctrl_2        = 0x00910091,
+	.emif_ddr_ext_phy_ctrl_3        = 0x00950095,
+	.emif_ddr_ext_phy_ctrl_4        = 0x009B009B,
+	.emif_ddr_ext_phy_ctrl_5        = 0x009E009E,
 	.emif_rd_wr_lvl_rmp_win         = 0x00000000,
 	.emif_rd_wr_lvl_rmp_ctl         = 0x00000000,
 	.emif_rd_wr_lvl_ctl             = 0x00000000,
@@ -186,18 +188,19 @@ const struct emif_regs emif_2_regs_ddr3_532_mhz_1cs_dra_es1 = {
 };
 
 const struct emif_regs emif_1_regs_ddr3_666_mhz_1cs_dra_es1 = {
-	.sdram_config_init              = 0x61851AB2,
-	.sdram_config                   = 0x61851AB2,
+	.sdram_config_init              = 0x61862B32,
+	.sdram_config                   = 0x61862B32,
 	.sdram_config2			= 0x08000000,
-	.ref_ctrl                       = 0x00001035,
-	.sdram_tim1                     = 0xCCCF36B3,
-	.sdram_tim2                     = 0x308F7FDA,
-	.sdram_tim3                     = 0x027F88A8,
+	.ref_ctrl                       = 0x0000493E,
+	.ref_ctrl_final			= 0x0000144A,
+	.sdram_tim1                     = 0xD113781C,
+	.sdram_tim2                     = 0x308F7FE3,
+	.sdram_tim3                     = 0x009F86A8,
 	.read_idle_ctrl                 = 0x00050000,
 	.zq_config                      = 0x0007190B,
 	.temp_alert_config              = 0x00000000,
-	.emif_ddr_phy_ctlr_1_init       = 0x0024400A,
-	.emif_ddr_phy_ctlr_1            = 0x0024400A,
+	.emif_ddr_phy_ctlr_1_init       = 0x0E24400D,
+	.emif_ddr_phy_ctlr_1            = 0x0E24400D,
 	.emif_ddr_ext_phy_ctrl_1        = 0x10040100,
 	.emif_ddr_ext_phy_ctrl_2        = 0x00A400A4,
 	.emif_ddr_ext_phy_ctrl_3        = 0x00A900A9,
@@ -420,22 +423,22 @@ const u32 ddr3_ext_phy_ctrl_const_base_es2[] = {
 
 const u32
 dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[] = {
-	0x00BB00BB,
-	0x00440044,
-	0x00440044,
-	0x00440044,
-	0x00440044,
-	0x00440044,
+	0x00980098,
+	0x00340034,
+	0x00350035,
+	0x00340034,
+	0x00310031,
+	0x00340034,
 	0x007F007F,
 	0x007F007F,
 	0x007F007F,
 	0x007F007F,
 	0x007F007F,
-	0x00600060,
-	0x00600060,
-	0x00600060,
-	0x00600060,
-	0x00600060,
+	0x00480048,
+	0x004A004A,
+	0x00520052,
+	0x00550055,
+	0x00500050,
 	0x00000000,
 	0x00600020,
 	0x40010080,
@@ -449,22 +452,22 @@ dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[] = {
 
 const u32
 dra_ddr3_ext_phy_ctrl_const_base_es1_emif2[] = {
-	0x00BB00BB,
-	0x00440044,
-	0x00440044,
-	0x00440044,
-	0x00440044,
-	0x00440044,
+	0x00980098,
+	0x00330033,
+	0x00330033,
+	0x002F002F,
+	0x00320032,
+	0x00310031,
 	0x007F007F,
 	0x007F007F,
 	0x007F007F,
 	0x007F007F,
 	0x007F007F,
-	0x00600060,
-	0x00600060,
-	0x00600060,
-	0x00600060,
-	0x00600060,
+	0x00520052,
+	0x00520052,
+	0x00470047,
+	0x00490049,
+	0x00500050,
 	0x00000000,
 	0x00600020,
 	0x40010080,

arch/arm/cpu/armv7/rmobile/Kconfig

@@ -21,6 +21,9 @@ config TARGET_KZM9G
 config TARGET_ALT
 	bool "Alt board"
 
+config TARGET_SILK
+	bool "Silk board"
+
 endchoice
 
 config SYS_SOC
@@ -28,7 +31,7 @@ config SYS_SOC
 
 config RMOBILE_EXTRAM_BOOT
 	bool "Enable boot from RAM"
-	depends on TARGET_ALT || TARGET_KOELSCH || TARGET_LAGER
+	depends on TARGET_ALT || TARGET_KOELSCH || TARGET_LAGER || TARGET_SILK
 	default n
 
 source "board/atmark-techno/armadillo-800eva/Kconfig"
@@ -37,5 +40,6 @@ source "board/renesas/koelsch/Kconfig"
 source "board/renesas/lager/Kconfig"
 source "board/kmc/kzm9g/Kconfig"
 source "board/renesas/alt/Kconfig"
+source "board/renesas/silk/Kconfig"
 
 endif

arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S

@@ -40,7 +40,7 @@ do_lowlevel_init:
 	and	r1, r1, #0x7F00
 	lsrs	r1, r1, #8
 	cmp	r1, #0x4C		/* 0x4C is ID of r8a7794 */
-	beq	_exit_init_l2_a15
+	beq	_enable_actlr_smp
 
 	/* surpress wfe if ca15 */
 	tst r4, #4
@@ -64,6 +64,16 @@ do_lowlevel_init:
 	orrne r0, r0, #0x20		/* L2CTLR[5] */
 #endif
 	mcrne p15, 1, r0, c9, c0, 2
+
+	b	_exit_init_l2_a15
+
+_enable_actlr_smp: /* R8A7794 only (CA7) */
+#ifndef CONFIG_DCACHE_OFF
+	mrc    p15, 0, r0, c1, c0, 1
+	orr    r0, r0, #0x40
+	mcr    p15, 0, r0, c1, c0, 1
+#endif
+
 _exit_init_l2_a15:
 	ldr	r3, =(CONFIG_SYS_INIT_SP_ADDR)
 	sub	sp, r3, #4

arch/arm/cpu/armv7/start.S

@@ -31,9 +31,12 @@
  *************************************************************************/
 
 	.globl	reset
+	.globl	save_boot_params_ret
 
 reset:
-	bl	save_boot_params
+	/* Allow the board to save important registers */
+	b	save_boot_params
+save_boot_params_ret:
 	/*
 	 * disable interrupts (FIQ and IRQ), also set the cpu to SVC32 mode,
 	 * except if in HYP mode already
@@ -52,10 +55,10 @@ reset:
  * Continue to use ROM code vector only in OMAP4 spl)
  */
 #if !(defined(CONFIG_OMAP44XX) && defined(CONFIG_SPL_BUILD))
-	/* Set V=0 in CP15 SCTRL register - for VBAR to point to vector */
-	mrc	p15, 0, r0, c1, c0, 0	@ Read CP15 SCTRL Register
+	/* Set V=0 in CP15 SCTLR register - for VBAR to point to vector */
+	mrc	p15, 0, r0, c1, c0, 0	@ Read CP15 SCTLR Register
 	bic	r0, #CR_V		@ V = 0
-	mcr	p15, 0, r0, c1, c0, 0	@ Write CP15 SCTRL Register
+	mcr	p15, 0, r0, c1, c0, 0	@ Write CP15 SCTLR Register
 
 	/* Set vector address in CP15 VBAR register */
 	ldr	r0, =_start
@@ -96,7 +99,7 @@ ENDPROC(c_runtime_cpu_setup)
  *
  *************************************************************************/
 ENTRY(save_boot_params)
-	bx	lr			@ back to my caller
+	b	save_boot_params_ret		@ back to my caller
 ENDPROC(save_boot_params)
 	.weak	save_boot_params
 

arch/arm/cpu/armv7/sunxi/Makefile

@@ -11,12 +11,15 @@ obj-y	+= timer.o
 obj-y	+= board.o
 obj-y	+= clock.o
 obj-y	+= cpu_info.o
+obj-y	+= dram_helpers.o
 obj-y	+= pinmux.o
 obj-y	+= usbc.o
 obj-$(CONFIG_MACH_SUN6I)	+= prcm.o
 obj-$(CONFIG_MACH_SUN8I)	+= prcm.o
+obj-$(CONFIG_MACH_SUN9I)	+= prcm.o
 obj-$(CONFIG_MACH_SUN6I)	+= p2wi.o
 obj-$(CONFIG_MACH_SUN8I)	+= rsb.o
+obj-$(CONFIG_MACH_SUN9I)	+= rsb.o
 obj-$(CONFIG_MACH_SUN4I)	+= clock_sun4i.o
 obj-$(CONFIG_MACH_SUN5I)	+= clock_sun4i.o
 obj-$(CONFIG_MACH_SUN6I)	+= clock_sun6i.o
@@ -36,7 +39,5 @@ obj-$(CONFIG_MACH_SUN5I)	+= dram_sun4i.o
 obj-$(CONFIG_MACH_SUN6I)	+= dram_sun6i.o
 obj-$(CONFIG_MACH_SUN7I)	+= dram_sun4i.o
 obj-$(CONFIG_MACH_SUN8I)	+= dram_sun8i.o
-ifdef CONFIG_SPL_FEL
-obj-y	+= start.o
-endif
+obj-y	+= fel_utils.o
 endif

arch/arm/cpu/armv7/sunxi/board.c

@@ -27,6 +27,17 @@
 
 #include <linux/compiler.h>
 
+struct fel_stash {
+	uint32_t sp;
+	uint32_t lr;
+	uint32_t cpsr;
+	uint32_t sctlr;
+	uint32_t vbar;
+	uint32_t cr;
+};
+
+struct fel_stash fel_stash __attribute__((section(".data")));
+
 static int gpio_init(void)
 {
 #if CONFIG_CONS_INDEX == 1 && defined(CONFIG_UART0_PORT_F)
@@ -65,6 +76,12 @@ static int gpio_init(void)
 	return 0;
 }
 
+void spl_board_load_image(void)
+{
+	debug("Returning to FEL sp=%x, lr=%x\n", fel_stash.sp, fel_stash.lr);
+	return_to_fel(fel_stash.sp, fel_stash.lr);
+}
+
 void s_init(void)
 {
 #if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I
@@ -95,7 +112,34 @@ void s_init(void)
  */
 u32 spl_boot_device(void)
 {
-	return BOOT_DEVICE_MMC1;
+#ifdef CONFIG_SPL_FEL
+	/*
+	 * This is the legacy compile time configuration for a special FEL
+	 * enabled build. It has many restrictions and can only boot over USB.
+	 */
+	return BOOT_DEVICE_BOARD;
+#else
+	/*
+	 * When booting from the SD card, the "eGON.BT0" signature is expected
+	 * to be found in memory at the address 0x0004 (see the "mksunxiboot"
+	 * tool, which generates this header).
+	 *
+	 * When booting in the FEL mode over USB, this signature is patched in
+	 * memory and replaced with something else by the 'fel' tool. This other
+	 * signature is selected in such a way, that it can't be present in a
+	 * valid bootable SD card image (because the BROM would refuse to
+	 * execute the SPL in this case).
+	 *
+	 * This branch is just making a decision at runtime whether to load
+	 * the main u-boot binary from the SD card (if the "eGON.BT0" signature
+	 * is found) or return to the FEL code in the BROM to wait and receive
+	 * the main u-boot binary over USB.
+	 */
+	if (readl(4) == 0x4E4F4765 && readl(8) == 0x3054422E) /* eGON.BT0 */
+		return BOOT_DEVICE_MMC1;
+	else
+		return BOOT_DEVICE_BOARD;
+#endif
 }
 
 /* No confirmation data available in SPL yet. Hardcode bootmode */

arch/arm/cpu/armv7/sunxi/config.mk

@@ -1,8 +1,6 @@
 # Build a combined spl + u-boot image
 ifdef CONFIG_SPL
 ifndef CONFIG_SPL_BUILD
-ifndef CONFIG_SPL_FEL
 ALL-y += u-boot-sunxi-with-spl.bin
 endif
 endif
-endif

arch/arm/cpu/armv7/sunxi/dram_helpers.c

@@ -0,0 +1,37 @@
+/*
+ * DRAM init helper functions
+ *
+ * (C) Copyright 2015 Hans de Goede <hdegoede@redhat.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/dram.h>
+
+/*
+ * Wait up to 1s for value to be set in given part of reg.
+ */
+void mctl_await_completion(u32 *reg, u32 mask, u32 val)
+{
+	unsigned long tmo = timer_get_us() + 1000000;
+
+	while ((readl(reg) & mask) != val) {
+		if (timer_get_us() > tmo)
+			panic("Timeout initialising DRAM\n");
+	}
+}
+
+/*
+ * Test if memory at offset offset matches memory at begin of DRAM
+ */
+bool mctl_mem_matches(u32 offset)
+{
+	/* Try to write different values to RAM at two addresses */
+	writel(0, CONFIG_SYS_SDRAM_BASE);
+	writel(0xaa55aa55, CONFIG_SYS_SDRAM_BASE + offset);
+	/* Check if the same value is actually observed when reading back */
+	return readl(CONFIG_SYS_SDRAM_BASE) ==
+	       readl(CONFIG_SYS_SDRAM_BASE + offset);
+}

arch/arm/cpu/armv7/sunxi/fel_utils.S

@@ -0,0 +1,42 @@
+/*
+ * Utility functions for FEL mode.
+ *
+ * Copyright (c) 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm-offsets.h>
+#include <config.h>
+#include <asm/system.h>
+#include <linux/linkage.h>
+
+ENTRY(save_boot_params)
+	ldr	r0, =fel_stash
+	str	sp, [r0, #0]
+	str	lr, [r0, #4]
+	mrs	lr, cpsr		@ Read CPSR
+	str	lr, [r0, #8]
+	mrc	p15, 0, lr, c1, c0, 0	@ Read CP15 SCTLR Register
+	str	lr, [r0, #12]
+	mrc	p15, 0, lr, c12, c0, 0	@ Read VBAR
+	str	lr, [r0, #16]
+	mrc	p15, 0, lr, c1, c0, 0	@ Read CP15 Control Register
+	str	lr, [r0, #20]
+	b	save_boot_params_ret
+ENDPROC(save_boot_params)
+
+ENTRY(return_to_fel)
+	mov	sp, r0
+	mov	lr, r1
+	ldr	r0, =fel_stash
+	ldr	r1, [r0, #20]
+	mcr	p15, 0, r1, c1, c0, 0	@ Write CP15 Control Register
+	ldr	r1, [r0, #16]
+	mcr	p15, 0, r1, c12, c0, 0	@ Write VBAR
+	ldr	r1, [r0, #12]
+	mcr	p15, 0, r1, c1, c0, 0	@ Write CP15 SCTLR Register
+	ldr	r1, [r0, #8]
+	msr	cpsr, r1		@ Write CPSR
+	bx	lr
+ENDPROC(return_to_fel)

arch/arm/cpu/armv7/sunxi/rsb.c

@@ -16,14 +16,27 @@
 #include <asm/arch/prcm.h>
 #include <asm/arch/rsb.h>
 
+static int rsb_set_device_mode(void);
+
 static void rsb_cfg_io(void)
 {
+#ifdef CONFIG_MACH_SUN8I
 	sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_GPL0_R_RSB_SCK);
 	sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_GPL1_R_RSB_SDA);
 	sunxi_gpio_set_pull(SUNXI_GPL(0), 1);
 	sunxi_gpio_set_pull(SUNXI_GPL(1), 1);
 	sunxi_gpio_set_drv(SUNXI_GPL(0), 2);
 	sunxi_gpio_set_drv(SUNXI_GPL(1), 2);
+#elif defined CONFIG_MACH_SUN9I
+	sunxi_gpio_set_cfgpin(SUNXI_GPN(0), SUN9I_GPN0_R_RSB_SCK);
+	sunxi_gpio_set_cfgpin(SUNXI_GPN(1), SUN9I_GPN1_R_RSB_SDA);
+	sunxi_gpio_set_pull(SUNXI_GPN(0), 1);
+	sunxi_gpio_set_pull(SUNXI_GPN(1), 1);
+	sunxi_gpio_set_drv(SUNXI_GPN(0), 2);
+	sunxi_gpio_set_drv(SUNXI_GPN(1), 2);
+#else
+#error unsupported MACH_SUNXI
+#endif
 }
 
 static void rsb_set_clk(void)
@@ -42,7 +55,7 @@ static void rsb_set_clk(void)
 	writel((cd_odly << 8) | div, &rsb->ccr);
 }
 
-void rsb_init(void)
+int rsb_init(void)
 {
 	struct sunxi_rsb_reg * const rsb =
 		(struct sunxi_rsb_reg *)SUNXI_RSB_BASE;
@@ -54,6 +67,8 @@ void rsb_init(void)
 
 	writel(RSB_CTRL_SOFT_RST, &rsb->ctrl);
 	rsb_set_clk();
+
+	return rsb_set_device_mode();
 }
 
 static int rsb_await_trans(void)
@@ -88,13 +103,14 @@ static int rsb_await_trans(void)
 	return ret;
 }
 
-int rsb_set_device_mode(u32 device_mode_data)
+static int rsb_set_device_mode(void)
 {
 	struct sunxi_rsb_reg * const rsb =
 		(struct sunxi_rsb_reg *)SUNXI_RSB_BASE;
 	unsigned long tmo = timer_get_us() + 1000000;
 
-	writel(RSB_DMCR_DEVICE_MODE_START | device_mode_data, &rsb->dmcr);
+	writel(RSB_DMCR_DEVICE_MODE_START | RSB_DMCR_DEVICE_MODE_DATA,
+	       &rsb->dmcr);
 
 	while (readl(&rsb->dmcr) & RSB_DMCR_DEVICE_MODE_START) {
 		if (timer_get_us() > tmo)

arch/arm/cpu/armv7/sunxi/u-boot-spl-fel.lds

@@ -1,82 +0,0 @@
-/*
- * (C) Copyright 2013
- * Henrik Nordstrom <henrik@henriknordstrom.net>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(s_init)
-SECTIONS
-{
-	. = 0x00002000;
-
-	. = ALIGN(4);
-	.text :
-	{
-		*(.text.s_init)
-		*(.text*)
-	}
-
-	. = ALIGN(4);
-	.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
-
-	. = ALIGN(4);
-	.data : {
-		*(.data*)
-	}
-
-	. = ALIGN(4);
-	.u_boot_list : {
-		KEEP(*(SORT(.u_boot_list*)));
-	}
-
-	. = ALIGN(4);
-	. = .;
-
-	. = ALIGN(4);
-	.rel.dyn : {
-		__rel_dyn_start = .;
-		*(.rel*)
-		__rel_dyn_end = .;
-	}
-
-	.dynsym : {
-		__dynsym_start = .;
-		*(.dynsym)
-	}
-
-	. = ALIGN(4);
-	.note.gnu.build-id :
-	{
-		*(.note.gnu.build-id)
-	}
-	_end = .;
-
-	. = ALIGN(4096);
-	.mmutable : {
-		*(.mmutable)
-	}
-
-	.bss_start __rel_dyn_start (OVERLAY) : {
-		KEEP(*(.__bss_start));
-		__bss_base = .;
-	}
-
-	.bss __bss_base (OVERLAY) : {
-		*(.bss*)
-		. = ALIGN(4);
-		__bss_limit = .;
-	}
-
-	.bss_end __bss_limit (OVERLAY) : {
-		KEEP(*(.__bss_end));
-	}
-
-	/DISCARD/ : { *(.dynstr*) }
-	/DISCARD/ : { *(.dynamic*) }
-	/DISCARD/ : { *(.plt*) }
-	/DISCARD/ : { *(.interp*) }
-	/DISCARD/ : { *(.gnu*) }
-	/DISCARD/ : { *(.note*) }
-}

arch/arm/cpu/armv7/tegra-common/Kconfig

@@ -1,28 +0,0 @@
-if TEGRA
-
-choice
-	prompt "Tegra SoC select"
-
-config TEGRA20
-	bool "Tegra20 family"
-
-config TEGRA30
-	bool "Tegra30 family"
-
-config TEGRA114
-	bool "Tegra114 family"
-
-config TEGRA124
-	bool "Tegra124 family"
-
-endchoice
-
-config USE_PRIVATE_LIBGCC
-	default y if SPL_BUILD
-
-source "arch/arm/cpu/armv7/tegra20/Kconfig"
-source "arch/arm/cpu/armv7/tegra30/Kconfig"
-source "arch/arm/cpu/armv7/tegra114/Kconfig"
-source "arch/arm/cpu/armv7/tegra124/Kconfig"
-
-endif

arch/arm/cpu/armv7/tegra-common/Makefile

@@ -1,10 +0,0 @@
-#
-# (C) Copyright 2010,2011 Nvidia Corporation.
-#
-# (C) Copyright 2000-2003
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-obj-$(CONFIG_CMD_ENTERRCM) += cmd_enterrcm.o

arch/arm/cpu/armv7/tegra20/Makefile

@@ -1,11 +0,0 @@
-#
-# (C) Copyright 2010,2011 Nvidia Corporation.
-#
-# (C) Copyright 2000-2003
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-obj-$(CONFIG_PWM_TEGRA) += pwm.o
-obj-$(CONFIG_VIDEO_TEGRA) += display.o

arch/arm/cpu/armv7/uniphier/Kconfig

@@ -48,23 +48,20 @@ config DCC_MICRO_SUPPORT_CARD
 
 endchoice
 
+config SYS_MALLOC_F
+	default y
+
+config SYS_MALLOC_F_LEN
+	default 0x2000
+
 config CMD_PINMON
 	bool "Enable boot mode pins monitor command"
-	depends on !SPL_BUILD
 	default y
 	help
 	  The command "pinmon" shows the state of the boot mode pins.
 	  The boot mode pins are latched when the system reset is deasserted
 	  and determine which device the system should load a boot image from.
 
-config SOC_INIT
-	bool
-	default SPL_BUILD
-
-config DRAM_INIT
-	bool
-	default SPL_BUILD
-
 config CMD_DDRPHY_DUMP
 	bool "Enable dump command of DDR PHY parameters"
 	depends on !SPL_BUILD
@@ -74,7 +71,7 @@ config CMD_DDRPHY_DUMP
 
 choice
 	prompt "DDR3 Frequency select"
-	depends on DRAM_INIT
+	depends on SPL_BUILD
 
 config DDR_FREQ_1600
 	bool "DDR3 1600"

arch/arm/cpu/armv7/uniphier/Makefile

@@ -2,23 +2,32 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_SPL_BUILD) += lowlevel_init.o init_page_table.o
-obj-$(CONFIG_SPL_BUILD) += spl.o
+ifdef CONFIG_SPL_BUILD
 
-obj-y += timer.o
-obj-y += reset.o
-obj-y += cache_uniphier.o
-obj-$(CONFIG_BOARD_POSTCLK_INIT) += board_postclk_init.o
-obj-y += dram_init.o
-obj-$(CONFIG_DRAM_INIT) += ddrphy_training.o
+obj-y += lowlevel_init.o
+obj-y += init_page_table.o
+obj-y += spl.o
+obj-y += ddrphy_training.o
+
+else
+
+obj-$(CONFIG_BOARD_EARLY_INIT_F) += board_early_init_f.o
 obj-$(CONFIG_DISPLAY_CPUINFO) += cpu_info.o
+obj-$(CONFIG_MISC_INIT_F) += print_misc_info.o
+obj-y += dram_init.o
+obj-y += board_common.o
 obj-$(CONFIG_BOARD_EARLY_INIT_R) += board_early_init_r.o
 obj-$(CONFIG_BOARD_LATE_INIT) += board_late_init.o
+obj-y += reset.o
+obj-y += cache_uniphier.o
 obj-$(CONFIG_UNIPHIER_SMP) += smp.o
 obj-$(CONFIG_CMD_PINMON) += cmd_pinmon.o
 obj-$(CONFIG_CMD_DDRPHY_DUMP) += cmd_ddrphy.o
 
-obj-y += board_common.o
+endif
+
+obj-y += timer.o
+
 obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += support_card.o
 obj-$(CONFIG_DCC_MICRO_SUPPORT_CARD) += support_card.o
 

arch/arm/cpu/armv7/uniphier/board_early_init_f.c

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2012-2015 Panasonic Corporation
+ *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/arch/led.h>
+#include <asm/arch/board.h>
+
+void pin_init(void);
+
+int board_early_init_f(void)
+{
+	led_write(U, 0, , );
+
+	pin_init();
+
+	led_write(U, 1, , );
+
+	return 0;
+}

arch/arm/cpu/armv7/uniphier/board_postclk_init.c

@@ -1,47 +0,0 @@
-/*
- * Copyright (C) 2012-2014 Panasonic Corporation
- *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <linux/compiler.h>
-#include <asm/arch/led.h>
-#include <asm/arch/board.h>
-
-void __weak bcu_init(void)
-{
-};
-void sbc_init(void);
-void sg_init(void);
-void pll_init(void);
-void pin_init(void);
-void clkrst_init(void);
-
-int board_postclk_init(void)
-{
-#ifdef CONFIG_SOC_INIT
-	bcu_init();
-
-	sbc_init();
-
-	sg_init();
-
-	uniphier_board_reset();
-
-	pll_init();
-
-	uniphier_board_init();
-
-	led_write(B, 1, , );
-
-	clkrst_init();
-
-	led_write(B, 2, , );
-#endif
-	pin_init();
-
-	led_write(B, 3, , );
-
-	return 0;
-}

arch/arm/cpu/armv7/uniphier/cmd_pinmon.c

@@ -11,20 +11,17 @@
 
 static int do_pinmon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	struct boot_device_info *table;
-	u32 mode_sel, n = 0;
-
-	mode_sel = get_boot_mode_sel();
+	int mode_sel, i;
 
 	printf("Boot Swap: %s\n\n", boot_is_swapped() ? "ON" : "OFF");
 
+	mode_sel = get_boot_mode_sel();
+
 	puts("Boot Mode Pin:\n");
 
-	for (table = boot_device_table; strlen(table->info); table++) {
-		printf(" %c %02x %s\n", n == mode_sel ? '*' : ' ', n,
-		       table->info);
-		n++;
-	}
+	for (i = 0; boot_device_table[i].info; i++)
+		printf(" %c %02x %s\n", i == mode_sel ? '*' : ' ', i,
+		       boot_device_table[i].info);
 
 	return 0;
 }

arch/arm/cpu/armv7/uniphier/dram_init.c

@@ -1,37 +1,16 @@
 /*
- * Copyright (C) 2012-2014 Panasonic Corporation
+ * Copyright (C) 2012-2015 Panasonic Corporation
  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
-#include <asm/arch/led.h>
-
-int umc_init(void);
-void enable_dpll_ssc(void);
 
 int dram_init(void)
 {
 	DECLARE_GLOBAL_DATA_PTR;
 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
 
-#ifdef CONFIG_DRAM_INIT
-	led_write(B, 4, , );
-
-	{
-		int res;
-
-		res = umc_init();
-		if (res < 0)
-			return res;
-	}
-	led_write(B, 5, , );
-
-	enable_dpll_ssc();
-#endif
-
-	led_write(B, 6, , );
-
 	return 0;
 }

arch/arm/cpu/armv7/uniphier/ph1-ld4/Makefile

@@ -2,11 +2,13 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_DISPLAY_BOARDINFO) += board_info.o
-obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o
-obj-y += boot-mode.o
+ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
-obj-$(CONFIG_SOC_INIT) += bcu_init.o sbc_init.o sg_init.o pll_init.o \
-								clkrst_init.o
-obj-$(CONFIG_BOARD_POSTCLK_INIT) += pinctrl.o
-obj-$(CONFIG_DRAM_INIT) += pll_spectrum.o umc_init.o ddrphy_init.o
+obj-y += bcu_init.o sbc_init.o sg_init.o pll_init.o clkrst_init.o \
+	pll_spectrum.o umc_init.o ddrphy_init.o
+else
+obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o
+obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o
+endif
+
+obj-y += boot-mode.o

arch/arm/cpu/armv7/uniphier/ph1-pro4/Makefile

@@ -2,10 +2,13 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_DISPLAY_BOARDINFO) += board_info.o
-obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o
-obj-y += boot-mode.o
+ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
-obj-$(CONFIG_SOC_INIT) += sbc_init.o sg_init.o pll_init.o clkrst_init.o
-obj-$(CONFIG_BOARD_POSTCLK_INIT) += pinctrl.o
-obj-$(CONFIG_DRAM_INIT) += pll_spectrum.o umc_init.o ddrphy_init.o
+obj-y += sbc_init.o sg_init.o pll_init.o clkrst_init.o \
+	pll_spectrum.o umc_init.o ddrphy_init.o
+else
+obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o
+obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o
+endif
+
+obj-y += boot-mode.o

arch/arm/cpu/armv7/uniphier/ph1-pro4/board_info.c

@@ -1,16 +0,0 @@
-/*
- * Copyright (C) 2012-2014 Panasonic Corporation
- *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/arch/board.h>
-
-int checkboard(void)
-{
-	puts("Board: PH1-Pro4 Board\n");
-
-	return check_support_card();
-}

arch/arm/cpu/armv7/uniphier/ph1-pro4/boot-mode.c

@@ -45,17 +45,17 @@ struct boot_device_info boot_device_table[] = {
 	{BOOT_DEVICE_NONE, "Reserved"},
 	{BOOT_DEVICE_NONE, "Reserved"},
 	{BOOT_DEVICE_NONE, "Reserved"},
-	{BOOT_DEVICE_NONE, ""}
+	{ /* sentinel */ }
 };
 
-u32 get_boot_mode_sel(void)
+int get_boot_mode_sel(void)
 {
 	return (readl(SG_PINMON0) >> 1) & 0x1f;
 }
 
 u32 spl_boot_device(void)
 {
-	u32 boot_mode;
+	int boot_mode;
 
 	if (boot_is_swapped())
 		return BOOT_DEVICE_NOR;

arch/arm/cpu/armv7/uniphier/ph1-sld8/Makefile

@@ -2,11 +2,13 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_DISPLAY_BOARDINFO) += board_info.o
-obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o
-obj-y += boot-mode.o
+ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
-obj-$(CONFIG_SOC_INIT) += bcu_init.o sbc_init.o sg_init.o pll_init.o \
-								clkrst_init.o
-obj-$(CONFIG_BOARD_POSTCLK_INIT) += pinctrl.o
-obj-$(CONFIG_DRAM_INIT) += pll_spectrum.o umc_init.o ddrphy_init.o
+obj-y += bcu_init.o sbc_init.o sg_init.o pll_init.o clkrst_init.o \
+	pll_spectrum.o umc_init.o ddrphy_init.o
+else
+obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o
+obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o
+endif
+
+obj-y += boot-mode.o

arch/arm/cpu/armv7/uniphier/ph1-sld8/board_info.c

@@ -1,16 +0,0 @@
-/*
- * Copyright (C) 2012-2014 Panasonic Corporation
- *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/arch/board.h>
-
-int checkboard(void)
-{
-	puts("Board: PH1-sLD8 Board\n");
-
-	return check_support_card();
-}

arch/arm/cpu/armv7/uniphier/ph1-sld8/pinctrl.c

@@ -26,6 +26,15 @@ void pin_init(void)
 	sg_set_pinsel(111, 1);	/* SBI0 -> RXD3 */
 #endif
 
+#ifdef CONFIG_SYS_I2C_UNIPHIER
+	{
+		u32 tmp;
+		tmp = readl(SG_IECTRL);
+		tmp |= 0xc00; /* enable SCL0, SDA0, SCL1, SDA1 */
+		writel(tmp, SG_IECTRL);
+	}
+#endif
+
 #ifdef CONFIG_NAND_DENALI
 	sg_set_pinsel(15, 0);	/* XNFRE_GB -> XNFRE_GB */
 	sg_set_pinsel(16, 0);	/* XNFWE_GB -> XNFWE_GB */

arch/arm/cpu/armv7/uniphier/print_misc_info.c

@@ -1,16 +1,13 @@
 /*
- * Copyright (C) 2012-2014 Panasonic Corporation
+ * Copyright (C) 2015 Panasonic Corporation
  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#include <common.h>
 #include <asm/arch/board.h>
 
-int checkboard(void)
+int misc_init_f(void)
 {
-	puts("Board: PH1-LD4 Board\n");
-
 	return check_support_card();
 }

arch/arm/cpu/armv7/uniphier/spl.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2014 Panasonic Corporation
+ * Copyright (C) 2013-2015 Panasonic Corporation
  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
@@ -7,11 +7,53 @@
 
 #include <common.h>
 #include <spl.h>
+#include <linux/compiler.h>
+#include <asm/arch/led.h>
+#include <asm/arch/board.h>
+
+void __weak bcu_init(void)
+{
+};
+void sbc_init(void);
+void sg_init(void);
+void pll_init(void);
+void pin_init(void);
+void clkrst_init(void);
+int umc_init(void);
+void enable_dpll_ssc(void);
 
 void spl_board_init(void)
 {
-#if defined(CONFIG_BOARD_POSTCLK_INIT)
-	board_postclk_init();
-#endif
-	dram_init();
+	bcu_init();
+
+	sbc_init();
+
+	sg_init();
+
+	uniphier_board_reset();
+
+	pll_init();
+
+	uniphier_board_init();
+
+	led_write(L, 0, , );
+
+	clkrst_init();
+
+	led_write(L, 1, , );
+
+	{
+		int res;
+
+		res = umc_init();
+		if (res < 0) {
+			while (1)
+				;
+		}
+	}
+	led_write(L, 2, , );
+
+	enable_dpll_ssc();
+
+	led_write(L, 3, , );
 }

arch/arm/dts/exynos4.dtsi

@@ -51,56 +51,64 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
-		interrupts = <0 0 0>;
+		reg = <0x13860000 0x100>;
+		interrupts = <0 56 0>;
 	};
 
 	i2c@13870000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
-		interrupts = <1 1 0>;
+		reg = <0x13870000 0x100>;
+		interrupts = <1 57 0>;
 	};
 
 	i2c@13880000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
-		interrupts = <2 2 0>;
+		reg = <0x13880000 0x100>;
+		interrupts = <2 58 0>;
 	};
 
 	i2c@13890000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
-		interrupts = <3 3 0>;
+		reg = <0x13890000 0x100>;
+		interrupts = <3 59 0>;
 	};
 
 	i2c@138a0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
-		interrupts = <4 4 0>;
+		reg = <0x138a0000 0x100>;
+		interrupts = <4 60 0>;
 	};
 
 	i2c@138b0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
-		interrupts = <5 5 0>;
+		reg = <0x138b0000 0x100>;
+		interrupts = <5 61 0>;
 	};
 
 	i2c@138c0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
-		interrupts = <6 6 0>;
+		reg = <0x138c0000 0x100>;
+		interrupts = <6 62 0>;
 	};
 
 	i2c@138d0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
-		interrupts = <7 7 0>;
+		reg = <0x138d0000 0x100>;
+		interrupts = <7 63 0>;
 	};
 
 	sdhci@12510000 {
@@ -143,11 +151,4 @@
 		interrupts = <0 131 0>;
 	};
 
-	gpio: gpio {
-		gpio-controller;
-		#gpio-cells = <2>;
-
-		interrupt-controller;
-		#interrupt-cells = <2>;
-	};
 };

arch/arm/dts/exynos4210-origen.dts

@@ -36,7 +36,7 @@
 	sdhci@12530000 {
 		samsung,bus-width = <4>;
 		samsung,timing = <1 2 3>;
-		cd-gpios = <&gpio 0xA2 0>;
+		cd-gpios = <&gpk2 2 0>;
 	};
 
 	sdhci@12540000 {

arch/arm/dts/exynos4210-trats.dts

@@ -101,7 +101,7 @@
 	sdhci@12510000 {
 		samsung,bus-width = <8>;
 		samsung,timing = <1 3 3>;
-		pwr-gpios = <&gpio 146 0>;
+		pwr-gpios = <&gpk0 2 0>;
 	};
 
 	sdhci@12520000 {
@@ -111,7 +111,7 @@
 	sdhci@12530000 {
 		samsung,bus-width = <4>;
 		samsung,timing = <1 2 3>;
-		cd-gpios = <&gpio 284 0>;
+		cd-gpios = <&gpx3 4 0>;
 	};
 
 	sdhci@12540000 {

arch/arm/dts/exynos4210-universal_c210.dts

@@ -24,7 +24,7 @@
 	sdhci@12510000 {
 		samsung,bus-width = <8>;
 		samsung,timing = <1 3 3>;
-		pwr-gpios = <&gpio 146 0>;
+		pwr-gpios = <&gpk0 2 0>;
 	};
 
 	sdhci@12520000 {
@@ -34,7 +34,7 @@
 	sdhci@12530000 {
 		samsung,bus-width = <4>;
 		samsung,timing = <1 2 3>;
-		cd-gpios = <&gpio 284 0>;
+		cd-gpios = <&gpx3 4 0>;
 	};
 
 	sdhci@12540000 {
@@ -43,10 +43,10 @@
 
 	soft-spi {
 		compatible = "u-boot,soft-spi";
-		cs-gpio = <&gpio 235 0>;	/* Y43 */
-		sclk-gpio = <&gpio 225 0>;	/* Y31 */
-		mosi-gpio = <&gpio 227 0>;	/* Y33 */
-		miso-gpio = <&gpio 224 0>;	/* Y30 */
+		cs-gpio = <&gpy4 3 0>;
+		sclk-gpio = <&gpy3 1 0>;
+		mosi-gpio = <&gpy3 3 0>;
+		miso-gpio = <&gpy3 0 0>;
 		spi-delay-us = <1>;
 		#address-cells = <1>;
 		#size-cells = <0>;

arch/arm/dts/exynos4412-odroid.dts

@@ -16,6 +16,13 @@
 
 	aliases {
 		i2c0 = "/i2c@13860000";
+		i2c1 = "/i2c@13870000";
+		i2c2 = "/i2c@13880000";
+		i2c3 = "/i2c@13890000";
+		i2c4 = "/i2c@138a0000";
+		i2c5 = "/i2c@138b0000";
+		i2c6 = "/i2c@138c0000";
+		i2c7 = "/i2c@138d0000";
 		serial0 = "/serial@13800000";
 		console = "/serial@13810000";
 		mmc2 = "sdhci@12530000";
@@ -51,7 +58,7 @@
 	sdhci@12530000 {
 		samsung,bus-width = <4>;
 		samsung,timing = <1 2 3>;
-		cd-gpios = <&gpio 122 0>;
+		cd-gpios = <&gpk2 2 0>;
 	};
 
 	sdhci@12540000 {
@@ -78,4 +85,9 @@
 			reg = <0x125B0000 0x100>;
 		};
 	};
+
+	emmc-reset {
+		compatible = "samsung,emmc-reset";
+		reset-gpio = <&gpk1 2 0>;
+	};
 };

arch/arm/dts/exynos4412-trats2.dts

@@ -416,7 +416,7 @@
 	sdhci@12510000 {
 		samsung,bus-width = <8>;
 		samsung,timing = <1 3 3>;
-		pwr-gpios = <&gpio 0x6a 0>;
+		pwr-gpios = <&gpk0 4 0>;
 		status = "disabled";
 	};
 
@@ -427,7 +427,7 @@
 	sdhci@12530000 {
 		samsung,bus-width = <4>;
 		samsung,timing = <1 2 3>;
-		cd-gpios = <&gpio 0x7a 0>;
+		cd-gpios = <&gpk2 2 0>;
 	};
 
 	sdhci@12540000 {
@@ -437,7 +437,7 @@
 	dwmmc@12550000 {
 		samsung,bus-width = <8>;
 		samsung,timing = <2 1 0>;
-		pwr-gpios = <&gpio 0x6a 0>;
+		pwr-gpios = <&gpk0 4 0>;
 		fifoth_val = <0x203f0040>;
 		bus_hz = <400000000>;
 		div = <0x3>;

arch/arm/dts/exynos5.dtsi

@@ -6,6 +6,7 @@
  */
 
 #include "skeleton.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	compatible = "samsung,exynos5";
@@ -247,7 +248,4 @@
 		u-boot,dm-pre-reloc;
 		id = <3>;
 	};
-
-	gpio: gpio {
-	};
 };

arch/arm/dts/exynos5250-arndale.dts

@@ -15,6 +15,14 @@
 	compatible = "samsung,arndale", "samsung,exynos5250";
 
 	aliases {
+		i2c0 = "/i2c@12c60000";
+		i2c1 = "/i2c@12c70000";
+		i2c2 = "/i2c@12c80000";
+		i2c3 = "/i2c@12c90000";
+		i2c4 = "/i2c@12ca0000";
+		i2c5 = "/i2c@12cb0000";
+		i2c6 = "/i2c@12cc0000";
+		i2c7 = "/i2c@12cd0000";
 		serial0 = "/serial@12C20000";
 		console = "/serial@12C20000";
 	};