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-rw-r--r--arch/arm/boot/compressed/.gitignore6
-rw-r--r--arch/arm/boot/compressed/Makefile67
-rw-r--r--arch/arm/boot/compressed/decompress.c2
-rw-r--r--arch/arm/boot/compressed/efi-header.S130
-rw-r--r--arch/arm/boot/compressed/head-shmobile.S101
-rw-r--r--arch/arm/boot/compressed/head.S110
-rw-r--r--arch/arm/boot/compressed/libfdt_env.h4
-rw-r--r--arch/arm/boot/compressed/mmcif-sh7372.c88
-rw-r--r--arch/arm/boot/compressed/piggy.S (renamed from arch/arm/boot/compressed/piggy.lzma.S)2
-rw-r--r--arch/arm/boot/compressed/piggy.gzip.S6
-rw-r--r--arch/arm/boot/compressed/piggy.lz4.S6
-rw-r--r--arch/arm/boot/compressed/piggy.lzo.S6
-rw-r--r--arch/arm/boot/compressed/piggy.xzkern.S6
-rw-r--r--arch/arm/boot/compressed/sdhi-sh7372.c95
-rw-r--r--arch/arm/boot/compressed/sdhi-shmobile.c449
-rw-r--r--arch/arm/boot/compressed/sdhi-shmobile.h11
-rw-r--r--arch/arm/boot/compressed/string.c9
-rw-r--r--arch/arm/boot/compressed/vmlinux.lds.S7
18 files changed, 282 insertions, 823 deletions
diff --git a/arch/arm/boot/compressed/.gitignore b/arch/arm/boot/compressed/.gitignore
index 0714e0334e33..86b2f5d28240 100644
--- a/arch/arm/boot/compressed/.gitignore
+++ b/arch/arm/boot/compressed/.gitignore
@@ -3,11 +3,7 @@ bswapsdi2.S
font.c
lib1funcs.S
hyp-stub.S
-piggy.gzip
-piggy.lzo
-piggy.lzma
-piggy.xzkern
-piggy.lz4
+piggy_data
vmlinux
vmlinux.lds
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 3ea230aa94b7..d50430c40045 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -6,21 +6,6 @@
OBJS =
-# Ensure that MMCIF loader code appears early in the image
-# to minimise that number of bocks that have to be read in
-# order to load it.
-ifeq ($(CONFIG_ZBOOT_ROM_MMCIF),y)
-OBJS += mmcif-sh7372.o
-endif
-
-# Ensure that SDHI loader code appears early in the image
-# to minimise that number of bocks that have to be read in
-# order to load it.
-ifeq ($(CONFIG_ZBOOT_ROM_SH_MOBILE_SDHI),y)
-OBJS += sdhi-shmobile.o
-OBJS += sdhi-sh7372.o
-endif
-
AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET)
HEAD = head.o
OBJS += misc.o decompress.o
@@ -66,10 +51,6 @@ else
endif
endif
-ifeq ($(CONFIG_ARCH_SHMOBILE_LEGACY),y)
-OBJS += head-shmobile.o
-endif
-
#
# We now have a PIC decompressor implementation. Decompressors running
# from RAM should not define ZTEXTADDR. Decompressors running directly
@@ -85,11 +66,11 @@ endif
CPPFLAGS_vmlinux.lds := -DTEXT_START="$(ZTEXTADDR)" -DBSS_START="$(ZBSSADDR)"
-suffix_$(CONFIG_KERNEL_GZIP) = gzip
-suffix_$(CONFIG_KERNEL_LZO) = lzo
-suffix_$(CONFIG_KERNEL_LZMA) = lzma
-suffix_$(CONFIG_KERNEL_XZ) = xzkern
-suffix_$(CONFIG_KERNEL_LZ4) = lz4
+compress-$(CONFIG_KERNEL_GZIP) = gzip
+compress-$(CONFIG_KERNEL_LZO) = lzo
+compress-$(CONFIG_KERNEL_LZMA) = lzma
+compress-$(CONFIG_KERNEL_XZ) = xzkern
+compress-$(CONFIG_KERNEL_LZ4) = lz4
# Borrowed libfdt files for the ATAG compatibility mode
@@ -108,21 +89,29 @@ ifeq ($(CONFIG_ARM_ATAG_DTB_COMPAT),y)
OBJS += $(libfdt_objs) atags_to_fdt.o
endif
-targets := vmlinux vmlinux.lds \
- piggy.$(suffix_y) piggy.$(suffix_y).o \
- lib1funcs.o lib1funcs.S ashldi3.o ashldi3.S bswapsdi2.o \
- bswapsdi2.S font.o font.c head.o misc.o $(OBJS)
+targets := vmlinux vmlinux.lds piggy_data piggy.o \
+ lib1funcs.o ashldi3.o bswapsdi2.o \
+ head.o $(OBJS)
+
+clean-files += piggy_data lib1funcs.S ashldi3.S bswapsdi2.S \
+ $(libfdt) $(libfdt_hdrs) hyp-stub.S
-# Make sure files are removed during clean
-extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern piggy.lz4 \
- lib1funcs.S ashldi3.S bswapsdi2.S $(libfdt) $(libfdt_hdrs) \
- hyp-stub.S
+KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
ifeq ($(CONFIG_FUNCTION_TRACER),y)
ORIG_CFLAGS := $(KBUILD_CFLAGS)
KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
endif
+# -fstack-protector-strong triggers protection checks in this code,
+# but it is being used too early to link to meaningful stack_chk logic.
+nossp_flags := $(call cc-option, -fno-stack-protector)
+CFLAGS_atags_to_fdt.o := $(nossp_flags)
+CFLAGS_fdt.o := $(nossp_flags)
+CFLAGS_fdt_ro.o := $(nossp_flags)
+CFLAGS_fdt_rw.o := $(nossp_flags)
+CFLAGS_fdt_wip.o := $(nossp_flags)
+
ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj)
asflags-y := -DZIMAGE
@@ -184,22 +173,26 @@ if [ $(words $(ZRELADDR)) -gt 1 -a "$(CONFIG_AUTO_ZRELADDR)" = "" ]; then \
false; \
fi
-$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
+efi-obj-$(CONFIG_EFI_STUB) := $(objtree)/drivers/firmware/efi/libstub/lib.a
+
+$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \
$(addprefix $(obj)/, $(OBJS)) $(lib1funcs) $(ashldi3) \
- $(bswapsdi2) FORCE
+ $(bswapsdi2) $(efi-obj-y) FORCE
@$(check_for_multiple_zreladdr)
$(call if_changed,ld)
@$(check_for_bad_syms)
-$(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
- $(call if_changed,$(suffix_y))
+$(obj)/piggy_data: $(obj)/../Image FORCE
+ $(call if_changed,$(compress-y))
-$(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y) FORCE
+$(obj)/piggy.o: $(obj)/piggy_data
CFLAGS_font.o := -Dstatic=
$(obj)/font.c: $(FONTC)
$(call cmd,shipped)
+AFLAGS_hyp-stub.o := -Wa,-march=armv7-a
+
$(obj)/hyp-stub.S: $(srctree)/arch/$(SRCARCH)/kernel/hyp-stub.S
$(call cmd,shipped)
diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c
index bd245d34952d..a0765e7ed6c7 100644
--- a/arch/arm/boot/compressed/decompress.c
+++ b/arch/arm/boot/compressed/decompress.c
@@ -57,5 +57,5 @@ extern char * strstr(const char * s1, const char *s2);
int do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x))
{
- return decompress(input, len, NULL, NULL, output, NULL, error);
+ return __decompress(input, len, NULL, NULL, output, 0, NULL, error);
}
diff --git a/arch/arm/boot/compressed/efi-header.S b/arch/arm/boot/compressed/efi-header.S
new file mode 100644
index 000000000000..9d5dc4fda3c1
--- /dev/null
+++ b/arch/arm/boot/compressed/efi-header.S
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2013-2015 Linaro Ltd
+ * Authors: Roy Franz <roy.franz@linaro.org>
+ * Ard Biesheuvel <ard.biesheuvel@linaro.org>
+ *
+ * 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.
+ */
+
+ .macro __nop
+#ifdef CONFIG_EFI_STUB
+ @ This is almost but not quite a NOP, since it does clobber the
+ @ condition flags. But it is the best we can do for EFI, since
+ @ PE/COFF expects the magic string "MZ" at offset 0, while the
+ @ ARM/Linux boot protocol expects an executable instruction
+ @ there.
+ .inst 'M' | ('Z' << 8) | (0x1310 << 16) @ tstne r0, #0x4d000
+#else
+ mov r0, r0
+#endif
+ .endm
+
+ .macro __EFI_HEADER
+#ifdef CONFIG_EFI_STUB
+ b __efi_start
+
+ .set start_offset, __efi_start - start
+ .org start + 0x3c
+ @
+ @ The PE header can be anywhere in the file, but for
+ @ simplicity we keep it together with the MSDOS header
+ @ The offset to the PE/COFF header needs to be at offset
+ @ 0x3C in the MSDOS header.
+ @ The only 2 fields of the MSDOS header that are used are this
+ @ PE/COFF offset, and the "MZ" bytes at offset 0x0.
+ @
+ .long pe_header - start @ Offset to the PE header.
+
+pe_header:
+ .ascii "PE\0\0"
+
+coff_header:
+ .short 0x01c2 @ ARM or Thumb
+ .short 2 @ nr_sections
+ .long 0 @ TimeDateStamp
+ .long 0 @ PointerToSymbolTable
+ .long 1 @ NumberOfSymbols
+ .short section_table - optional_header
+ @ SizeOfOptionalHeader
+ .short 0x306 @ Characteristics.
+ @ IMAGE_FILE_32BIT_MACHINE |
+ @ IMAGE_FILE_DEBUG_STRIPPED |
+ @ IMAGE_FILE_EXECUTABLE_IMAGE |
+ @ IMAGE_FILE_LINE_NUMS_STRIPPED
+
+optional_header:
+ .short 0x10b @ PE32 format
+ .byte 0x02 @ MajorLinkerVersion
+ .byte 0x14 @ MinorLinkerVersion
+ .long _end - __efi_start @ SizeOfCode
+ .long 0 @ SizeOfInitializedData
+ .long 0 @ SizeOfUninitializedData
+ .long efi_stub_entry - start @ AddressOfEntryPoint
+ .long start_offset @ BaseOfCode
+ .long 0 @ data
+
+extra_header_fields:
+ .long 0 @ ImageBase
+ .long 0x200 @ SectionAlignment
+ .long 0x200 @ FileAlignment
+ .short 0 @ MajorOperatingSystemVersion
+ .short 0 @ MinorOperatingSystemVersion
+ .short 0 @ MajorImageVersion
+ .short 0 @ MinorImageVersion
+ .short 0 @ MajorSubsystemVersion
+ .short 0 @ MinorSubsystemVersion
+ .long 0 @ Win32VersionValue
+
+ .long _end - start @ SizeOfImage
+ .long start_offset @ SizeOfHeaders
+ .long 0 @ CheckSum
+ .short 0xa @ Subsystem (EFI application)
+ .short 0 @ DllCharacteristics
+ .long 0 @ SizeOfStackReserve
+ .long 0 @ SizeOfStackCommit
+ .long 0 @ SizeOfHeapReserve
+ .long 0 @ SizeOfHeapCommit
+ .long 0 @ LoaderFlags
+ .long 0x6 @ NumberOfRvaAndSizes
+
+ .quad 0 @ ExportTable
+ .quad 0 @ ImportTable
+ .quad 0 @ ResourceTable
+ .quad 0 @ ExceptionTable
+ .quad 0 @ CertificationTable
+ .quad 0 @ BaseRelocationTable
+
+section_table:
+ @
+ @ The EFI application loader requires a relocation section
+ @ because EFI applications must be relocatable. This is a
+ @ dummy section as far as we are concerned.
+ @
+ .ascii ".reloc\0\0"
+ .long 0 @ VirtualSize
+ .long 0 @ VirtualAddress
+ .long 0 @ SizeOfRawData
+ .long 0 @ PointerToRawData
+ .long 0 @ PointerToRelocations
+ .long 0 @ PointerToLineNumbers
+ .short 0 @ NumberOfRelocations
+ .short 0 @ NumberOfLineNumbers
+ .long 0x42100040 @ Characteristics
+
+ .ascii ".text\0\0\0"
+ .long _end - __efi_start @ VirtualSize
+ .long __efi_start @ VirtualAddress
+ .long _edata - __efi_start @ SizeOfRawData
+ .long __efi_start @ PointerToRawData
+ .long 0 @ PointerToRelocations
+ .long 0 @ PointerToLineNumbers
+ .short 0 @ NumberOfRelocations
+ .short 0 @ NumberOfLineNumbers
+ .long 0xe0500020 @ Characteristics
+
+ .align 9
+__efi_start:
+#endif
+ .endm
diff --git a/arch/arm/boot/compressed/head-shmobile.S b/arch/arm/boot/compressed/head-shmobile.S
deleted file mode 100644
index e7f80928949c..000000000000
--- a/arch/arm/boot/compressed/head-shmobile.S
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * The head-file for SH-Mobile ARM platforms
- *
- * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
- * Simon Horman <horms@verge.net.au>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifdef CONFIG_ZBOOT_ROM
-
- .section ".start", "ax"
-
- /* load board-specific initialization code */
-#include <mach/zboot.h>
-
-#if defined(CONFIG_ZBOOT_ROM_MMCIF) || defined(CONFIG_ZBOOT_ROM_SH_MOBILE_SDHI)
- /* Load image from MMC/SD */
- adr sp, __tmp_stack + 256
- ldr r0, __image_start
- ldr r1, __image_end
- subs r1, r1, r0
- ldr r0, __load_base
- bl mmc_loader
-
- /* Jump to loaded code */
- ldr r0, __loaded
- ldr r1, __image_start
- sub r0, r0, r1
- ldr r1, __load_base
- add pc, r0, r1
-
-__image_start:
- .long _start
-__image_end:
- .long _got_end
-__load_base:
- .long MEMORY_START + 0x02000000 @ Load at 32Mb into SDRAM
-__loaded:
- .long __continue
- .align
-__tmp_stack:
- .space 256
-__continue:
-#endif /* CONFIG_ZBOOT_ROM_MMC || CONFIG_ZBOOT_ROM_SH_MOBILE_SDHI */
-
- adr r0, dtb_info
- ldmia r0, {r1, r3, r4, r5, r7}
-
- sub r0, r0, r1 @ calculate the delta offset
- add r5, r5, r0 @ _edata
-
- ldr lr, [r5, #0] @ check if valid DTB is present
- cmp lr, r3
- bne 0f
-
- add r9, r7, #31 @ rounded up to a multiple
- bic r9, r9, #31 @ ... of 32 bytes
-
- add r6, r9, r5 @ copy from _edata
- add r9, r9, r4 @ to MEMORY_START
-
-1: ldmdb r6!, {r0 - r3, r10 - r12, lr}
- cmp r6, r5
- stmdb r9!, {r0 - r3, r10 - r12, lr}
- bhi 1b
-
- /* Success: Zero board ID, pointer to start of memory for atag/dtb */
- mov r7, #0
- mov r8, r4
- b 2f
-
- .align 2
-dtb_info:
- .word dtb_info
-#ifndef __ARMEB__
- .word 0xedfe0dd0 @ sig is 0xd00dfeed big endian
-#else
- .word 0xd00dfeed
-#endif
- .word MEMORY_START
- .word _edata
- .word 0x4000 @ maximum DTB size
-0:
- /* Failure: Zero board ID, NULL atag/dtb */
- mov r7, #0
- mov r8, #0 @ pass null pointer as atag
-2 :
-
-#endif /* CONFIG_ZBOOT_ROM */
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index c41a793b519c..af11c2f8f3b7 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -10,8 +10,13 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
+#include <asm/v7m.h>
+
+#include "efi-header.S"
+
+ AR_CLASS( .arch armv7-a )
+ M_CLASS( .arch armv7-m )
- .arch armv7-a
/*
* Debugging stuff
*
@@ -114,15 +119,20 @@
* sort out different calling conventions
*/
.align
- .arm @ Always enter in ARM state
+ /*
+ * Always enter in ARM state for CPUs that support the ARM ISA.
+ * As of today (2014) that's exactly the members of the A and R
+ * classes.
+ */
+ AR_CLASS( .arm )
start:
.type start,#function
.rept 7
- mov r0, r0
+ __nop
.endr
ARM( mov r0, r0 )
ARM( b 1f )
- THUMB( adr r12, BSYM(1f) )
+ THUMB( badr r12, 1f )
THUMB( bx r12 )
.word _magic_sig @ Magic numbers to help the loader
@@ -131,15 +141,17 @@ start:
.word 0x04030201 @ endianness flag
THUMB( .thumb )
-1:
- ARM_BE8( setend be ) @ go BE8 if compiled for BE8
- mrs r9, cpsr
+1: __EFI_HEADER
+
+ ARM_BE8( setend be ) @ go BE8 if compiled for BE8
+ AR_CLASS( mrs r9, cpsr )
#ifdef CONFIG_ARM_VIRT_EXT
bl __hyp_stub_install @ get into SVC mode, reversibly
#endif
mov r7, r1 @ save architecture ID
mov r8, r2 @ save atags pointer
+#ifndef CONFIG_CPU_V7M
/*
* Booting from Angel - need to enter SVC mode and disable
* FIQs/IRQs (numeric definitions from angel arm.h source).
@@ -155,6 +167,7 @@ not_angel:
safe_svcmode_maskall r0
msr spsr_cxsf, r9 @ Save the CPU boot mode in
@ SPSR
+#endif
/*
* Note that some cache flushing and other stuff may
* be needed here - is there an Angel SWI call for this?
@@ -168,9 +181,26 @@ not_angel:
.text
#ifdef CONFIG_AUTO_ZRELADDR
- @ determine final kernel image address
+ /*
+ * Find the start of physical memory. As we are executing
+ * without the MMU on, we are in the physical address space.
+ * We just need to get rid of any offset by aligning the
+ * address.
+ *
+ * This alignment is a balance between the requirements of
+ * different platforms - we have chosen 128MB to allow
+ * platforms which align the start of their physical memory
+ * to 128MB to use this feature, while allowing the zImage
+ * to be placed within the first 128MB of memory on other
+ * platforms. Increasing the alignment means we place
+ * stricter alignment requirements on the start of physical
+ * memory, but relaxing it means that we break people who
+ * are already placing their zImage in (eg) the top 64MB
+ * of this range.
+ */
mov r4, pc
and r4, r4, #0xf8000000
+ /* Determine final kernel image address. */
add r4, r4, #TEXT_OFFSET
#else
ldr r4, =zreladdr
@@ -420,7 +450,7 @@ dtb_check_done:
bl cache_clean_flush
- adr r0, BSYM(restart)
+ badr r0, restart
add r0, r0, r6
mov pc, r0
@@ -810,6 +840,16 @@ __common_mmu_cache_on:
call_cache_fn: adr r12, proc_types
#ifdef CONFIG_CPU_CP15
mrc p15, 0, r9, c0, c0 @ get processor ID
+#elif defined(CONFIG_CPU_V7M)
+ /*
+ * On v7-M the processor id is located in the V7M_SCB_CPUID
+ * register, but as cache handling is IMPLEMENTATION DEFINED on
+ * v7-M (if existant at all) we just return early here.
+ * If V7M_SCB_CPUID were used the cpu ID functions (i.e.
+ * __armv7_mmu_cache_{on,off,flush}) would be selected which
+ * use cp15 registers that are not implemented on v7-M.
+ */
+ bx lr
#else
ldr r9, =CONFIG_PROCESSOR_ID
#endif
@@ -1310,11 +1350,59 @@ __hyp_reentry_vectors:
__enter_kernel:
mov r0, #0 @ must be 0
- ARM( mov pc, r4 ) @ call kernel
- THUMB( bx r4 ) @ entry point is always ARM
+ ARM( mov pc, r4 ) @ call kernel
+ M_CLASS( add r4, r4, #1 ) @ enter in Thumb mode for M class
+ THUMB( bx r4 ) @ entry point is always ARM for A/R classes
reloc_code_end:
+#ifdef CONFIG_EFI_STUB
+ .align 2
+_start: .long start - .
+
+ENTRY(efi_stub_entry)
+ @ allocate space on stack for passing current zImage address
+ @ and for the EFI stub to return of new entry point of
+ @ zImage, as EFI stub may copy the kernel. Pointer address
+ @ is passed in r2. r0 and r1 are passed through from the
+ @ EFI firmware to efi_entry
+ adr ip, _start
+ ldr r3, [ip]
+ add r3, r3, ip
+ stmfd sp!, {r3, lr}
+ mov r2, sp @ pass zImage address in r2
+ bl efi_entry
+
+ @ Check for error return from EFI stub. r0 has FDT address
+ @ or error code.
+ cmn r0, #1
+ beq efi_load_fail
+
+ @ Preserve return value of efi_entry() in r4
+ mov r4, r0
+ bl cache_clean_flush
+ bl cache_off
+
+ @ Set parameters for booting zImage according to boot protocol
+ @ put FDT address in r2, it was returned by efi_entry()
+ @ r1 is the machine type, and r0 needs to be 0
+ mov r0, #0
+ mov r1, #0xFFFFFFFF
+ mov r2, r4
+
+ @ Branch to (possibly) relocated zImage that is in [sp]
+ ldr lr, [sp]
+ ldr ip, =start_offset
+ add lr, lr, ip
+ mov pc, lr @ no mode switch
+
+efi_load_fail:
+ @ Return EFI_LOAD_ERROR to EFI firmware on error.
+ ldr r0, =0x80000001
+ ldmfd sp!, {ip, pc}
+ENDPROC(efi_stub_entry)
+#endif
+
.align
.section ".stack", "aw", %nobits
.L_user_stack: .space 4096
diff --git a/arch/arm/boot/compressed/libfdt_env.h b/arch/arm/boot/compressed/libfdt_env.h
index 1f4e71876b00..17ae0f3efac8 100644
--- a/arch/arm/boot/compressed/libfdt_env.h
+++ b/arch/arm/boot/compressed/libfdt_env.h
@@ -5,6 +5,10 @@
#include <linux/string.h>
#include <asm/byteorder.h>
+typedef __be16 fdt16_t;
+typedef __be32 fdt32_t;
+typedef __be64 fdt64_t;
+
#define fdt16_to_cpu(x) be16_to_cpu(x)
#define cpu_to_fdt16(x) cpu_to_be16(x)
#define fdt32_to_cpu(x) be32_to_cpu(x)
diff --git a/arch/arm/boot/compressed/mmcif-sh7372.c b/arch/arm/boot/compressed/mmcif-sh7372.c
deleted file mode 100644
index 672ae95db5c3..000000000000
--- a/arch/arm/boot/compressed/mmcif-sh7372.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * sh7372 MMCIF loader
- *
- * Copyright (C) 2010 Magnus Damm
- * Copyright (C) 2010 Simon Horman
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/mmc/sh_mmcif.h>
-#include <linux/mmc/boot.h>
-#include <mach/mmc.h>
-
-#define MMCIF_BASE (void __iomem *)0xe6bd0000
-
-#define PORT84CR (void __iomem *)0xe6050054
-#define PORT85CR (void __iomem *)0xe6050055
-#define PORT86CR (void __iomem *)0xe6050056
-#define PORT87CR (void __iomem *)0xe6050057
-#define PORT88CR (void __iomem *)0xe6050058
-#define PORT89CR (void __iomem *)0xe6050059
-#define PORT90CR (void __iomem *)0xe605005a
-#define PORT91CR (void __iomem *)0xe605005b
-#define PORT92CR (void __iomem *)0xe605005c
-#define PORT99CR (void __iomem *)0xe6050063
-
-#define SMSTPCR3 (void __iomem *)0xe615013c
-
-/* SH7372 specific MMCIF loader
- *
- * loads the zImage from an MMC card starting from block 1.
- *
- * The image must be start with a vrl4 header and
- * the zImage must start at offset 512 of the image. That is,
- * at block 2 (=byte 1024) on the media
- *
- * Use the following line to write the vrl4 formated zImage
- * to an MMC card
- * # dd if=vrl4.out of=/dev/sdx bs=512 seek=1
- */
-asmlinkage void mmc_loader(unsigned char *buf, unsigned long len)
-{
- mmc_init_progress();
- mmc_update_progress(MMC_PROGRESS_ENTER);
-
- /* Initialise MMC
- * registers: PORT84CR-PORT92CR
- * (MMCD0_0-MMCD0_7,MMCCMD0 Control)
- * value: 0x04 - select function 4
- */
- __raw_writeb(0x04, PORT84CR);
- __raw_writeb(0x04, PORT85CR);
- __raw_writeb(0x04, PORT86CR);
- __raw_writeb(0x04, PORT87CR);
- __raw_writeb(0x04, PORT88CR);
- __raw_writeb(0x04, PORT89CR);
- __raw_writeb(0x04, PORT90CR);
- __raw_writeb(0x04, PORT91CR);
- __raw_writeb(0x04, PORT92CR);
-
- /* Initialise MMC
- * registers: PORT99CR (MMCCLK0 Control)
- * value: 0x10 | 0x04 - enable output | select function 4
- */
- __raw_writeb(0x14, PORT99CR);
-
- /* Enable clock to MMC hardware block */
- __raw_writel(__raw_readl(SMSTPCR3) & ~(1 << 12), SMSTPCR3);
-
- mmc_update_progress(MMC_PROGRESS_INIT);
-
- /* setup MMCIF hardware */
- sh_mmcif_boot_init(MMCIF_BASE);
-
- mmc_update_progress(MMC_PROGRESS_LOAD);
-
- /* load kernel via MMCIF interface */
- sh_mmcif_boot_do_read(MMCIF_BASE, 2, /* Kernel is at block 2 */
- (len + SH_MMCIF_BBS - 1) / SH_MMCIF_BBS, buf);
-
-
- /* Disable clock to MMC hardware block */
- __raw_writel(__raw_readl(SMSTPCR3) | (1 << 12), SMSTPCR3);
-
- mmc_update_progress(MMC_PROGRESS_DONE);
-}
diff --git a/arch/arm/boot/compressed/piggy.lzma.S b/arch/arm/boot/compressed/piggy.S
index d7e69cffbc0a..f72088495f43 100644
--- a/arch/arm/boot/compressed/piggy.lzma.S
+++ b/arch/arm/boot/compressed/piggy.S
@@ -1,6 +1,6 @@
.section .piggydata,#alloc
.globl input_data
input_data:
- .incbin "arch/arm/boot/compressed/piggy.lzma"
+ .incbin "arch/arm/boot/compressed/piggy_data"
.globl input_data_end
input_data_end:
diff --git a/arch/arm/boot/compressed/piggy.gzip.S b/arch/arm/boot/compressed/piggy.gzip.S
deleted file mode 100644
index a68adf91a165..000000000000
--- a/arch/arm/boot/compressed/piggy.gzip.S
+++ /dev/null
@@ -1,6 +0,0 @@
- .section .piggydata,#alloc
- .globl input_data
-input_data:
- .incbin "arch/arm/boot/compressed/piggy.gzip"
- .globl input_data_end
-input_data_end:
diff --git a/arch/arm/boot/compressed/piggy.lz4.S b/arch/arm/boot/compressed/piggy.lz4.S
deleted file mode 100644
index 3d9a575618a3..000000000000
--- a/arch/arm/boot/compressed/piggy.lz4.S
+++ /dev/null
@@ -1,6 +0,0 @@
- .section .piggydata,#alloc
- .globl input_data
-input_data:
- .incbin "arch/arm/boot/compressed/piggy.lz4"
- .globl input_data_end
-input_data_end:
diff --git a/arch/arm/boot/compressed/piggy.lzo.S b/arch/arm/boot/compressed/piggy.lzo.S
deleted file mode 100644
index a425ad95959a..000000000000
--- a/arch/arm/boot/compressed/piggy.lzo.S
+++ /dev/null
@@ -1,6 +0,0 @@
- .section .piggydata,#alloc
- .globl input_data
-input_data:
- .incbin "arch/arm/boot/compressed/piggy.lzo"
- .globl input_data_end
-input_data_end:
diff --git a/arch/arm/boot/compressed/piggy.xzkern.S b/arch/arm/boot/compressed/piggy.xzkern.S
deleted file mode 100644
index 5703f300d027..000000000000
--- a/arch/arm/boot/compressed/piggy.xzkern.S
+++ /dev/null
@@ -1,6 +0,0 @@
- .section .piggydata,#alloc
- .globl input_data
-input_data:
- .incbin "arch/arm/boot/compressed/piggy.xzkern"
- .globl input_data_end
-input_data_end:
diff --git a/arch/arm/boot/compressed/sdhi-sh7372.c b/arch/arm/boot/compressed/sdhi-sh7372.c
deleted file mode 100644
index d279294f2381..000000000000
--- a/arch/arm/boot/compressed/sdhi-sh7372.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * SuperH Mobile SDHI
- *
- * Copyright (C) 2010 Magnus Damm
- * Copyright (C) 2010 Kuninori Morimoto
- * Copyright (C) 2010 Simon Horman
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Parts inspired by u-boot
- */
-
-#include <linux/io.h>
-#include <mach/mmc.h>
-#include <linux/mmc/boot.h>
-#include <linux/mmc/tmio.h>
-
-#include "sdhi-shmobile.h"
-
-#define PORT179CR 0xe60520b3
-#define PORT180CR 0xe60520b4
-#define PORT181CR 0xe60520b5
-#define PORT182CR 0xe60520b6
-#define PORT183CR 0xe60520b7
-#define PORT184CR 0xe60520b8
-
-#define SMSTPCR3 0xe615013c
-
-#define CR_INPUT_ENABLE 0x10
-#define CR_FUNCTION1 0x01
-
-#define SDHI1_BASE (void __iomem *)0xe6860000
-#define SDHI_BASE SDHI1_BASE
-
-/* SuperH Mobile SDHI loader
- *
- * loads the zImage from an SD card starting from block 0
- * on physical partition 1
- *
- * The image must be start with a vrl4 header and
- * the zImage must start at offset 512 of the image. That is,
- * at block 1 (=byte 512) of physical partition 1
- *
- * Use the following line to write the vrl4 formated zImage
- * to an SD card
- * # dd if=vrl4.out of=/dev/sdx bs=512
- */
-asmlinkage void mmc_loader(unsigned short *buf, unsigned long len)
-{
- int high_capacity;
-
- mmc_init_progress();
-
- mmc_update_progress(MMC_PROGRESS_ENTER);
- /* Initialise SDHI1 */
- /* PORT184CR: GPIO_FN_SDHICMD1 Control */
- __raw_writeb(CR_FUNCTION1, PORT184CR);
- /* PORT179CR: GPIO_FN_SDHICLK1 Control */
- __raw_writeb(CR_INPUT_ENABLE|CR_FUNCTION1, PORT179CR);
- /* PORT181CR: GPIO_FN_SDHID1_3 Control */
- __raw_writeb(CR_FUNCTION1, PORT183CR);
- /* PORT182CR: GPIO_FN_SDHID1_2 Control */
- __raw_writeb(CR_FUNCTION1, PORT182CR);
- /* PORT183CR: GPIO_FN_SDHID1_1 Control */
- __raw_writeb(CR_FUNCTION1, PORT181CR);
- /* PORT180CR: GPIO_FN_SDHID1_0 Control */
- __raw_writeb(CR_FUNCTION1, PORT180CR);
-
- /* Enable clock to SDHI1 hardware block */
- __raw_writel(__raw_readl(SMSTPCR3) & ~(1 << 13), SMSTPCR3);
-
- /* setup SDHI hardware */
- mmc_update_progress(MMC_PROGRESS_INIT);
- high_capacity = sdhi_boot_init(SDHI_BASE);
- if (high_capacity < 0)
- goto err;
-
- mmc_update_progress(MMC_PROGRESS_LOAD);
- /* load kernel */
- if (sdhi_boot_do_read(SDHI_BASE, high_capacity,
- 0, /* Kernel is at block 1 */
- (len + TMIO_BBS - 1) / TMIO_BBS, buf))
- goto err;
-
- /* Disable clock to SDHI1 hardware block */
- __raw_writel(__raw_readl(SMSTPCR3) | (1 << 13), SMSTPCR3);
-
- mmc_update_progress(MMC_PROGRESS_DONE);
-
- return;
-err:
- for(;;);
-}
diff --git a/arch/arm/boot/compressed/sdhi-shmobile.c b/arch/arm/boot/compressed/sdhi-shmobile.c
deleted file mode 100644
index bd3d46980955..000000000000
--- a/arch/arm/boot/compressed/sdhi-shmobile.c
+++ /dev/null
@@ -1,449 +0,0 @@
-/*
- * SuperH Mobile SDHI
- *
- * Copyright (C) 2010 Magnus Damm
- * Copyright (C) 2010 Kuninori Morimoto
- * Copyright (C) 2010 Simon Horman
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Parts inspired by u-boot
- */
-
-#include <linux/io.h>
-#include <linux/mmc/host.h>
-#include <linux/mmc/core.h>
-#include <linux/mmc/mmc.h>
-#include <linux/mmc/sd.h>
-#include <linux/mmc/tmio.h>
-#include <mach/sdhi.h>
-
-#define OCR_FASTBOOT (1<<29)
-#define OCR_HCS (1<<30)
-#define OCR_BUSY (1<<31)
-
-#define RESP_CMD12 0x00000030
-
-static inline u16 sd_ctrl_read16(void __iomem *base, int addr)
-{
- return __raw_readw(base + addr);
-}
-
-static inline u32 sd_ctrl_read32(void __iomem *base, int addr)
-{
- return __raw_readw(base + addr) |
- __raw_readw(base + addr + 2) << 16;
-}
-
-static inline void sd_ctrl_write16(void __iomem *base, int addr, u16 val)
-{
- __raw_writew(val, base + addr);
-}
-
-static inline void sd_ctrl_write32(void __iomem *base, int addr, u32 val)
-{
- __raw_writew(val, base + addr);
- __raw_writew(val >> 16, base + addr + 2);
-}
-
-#define ALL_ERROR (TMIO_STAT_CMD_IDX_ERR | TMIO_STAT_CRCFAIL | \
- TMIO_STAT_STOPBIT_ERR | TMIO_STAT_DATATIMEOUT | \
- TMIO_STAT_RXOVERFLOW | TMIO_STAT_TXUNDERRUN | \
- TMIO_STAT_CMDTIMEOUT | TMIO_STAT_ILL_ACCESS | \
- TMIO_STAT_ILL_FUNC)
-
-static int sdhi_intr(void __iomem *base)
-{
- unsigned long state = sd_ctrl_read32(base, CTL_STATUS);
-
- if (state & ALL_ERROR) {
- sd_ctrl_write32(base, CTL_STATUS, ~ALL_ERROR);
- sd_ctrl_write32(base, CTL_IRQ_MASK,
- ALL_ERROR |
- sd_ctrl_read32(base, CTL_IRQ_MASK));
- return -EINVAL;
- }
- if (state & TMIO_STAT_CMDRESPEND) {
- sd_ctrl_write32(base, CTL_STATUS, ~TMIO_STAT_CMDRESPEND);
- sd_ctrl_write32(base, CTL_IRQ_MASK,
- TMIO_STAT_CMDRESPEND |
- sd_ctrl_read32(base, CTL_IRQ_MASK));
- return 0;
- }
- if (state & TMIO_STAT_RXRDY) {
- sd_ctrl_write32(base, CTL_STATUS, ~TMIO_STAT_RXRDY);
- sd_ctrl_write32(base, CTL_IRQ_MASK,
- TMIO_STAT_RXRDY | TMIO_STAT_TXUNDERRUN |
- sd_ctrl_read32(base, CTL_IRQ_MASK));
- return 0;
- }
- if (state & TMIO_STAT_DATAEND) {
- sd_ctrl_write32(base, CTL_STATUS, ~TMIO_STAT_DATAEND);
- sd_ctrl_write32(base, CTL_IRQ_MASK,
- TMIO_STAT_DATAEND |
- sd_ctrl_read32(base, CTL_IRQ_MASK));
- return 0;
- }
-
- return -EAGAIN;
-}
-
-static int sdhi_boot_wait_resp_end(void __iomem *base)
-{
- int err = -EAGAIN, timeout = 10000000;
-
- while (timeout--) {
- err = sdhi_intr(base);
- if (err != -EAGAIN)
- break;
- udelay(1);
- }
-
- return err;
-}
-
-/* SDHI_CLK_CTRL */
-#define CLK_MMC_ENABLE (1 << 8)
-#define CLK_MMC_INIT (1 << 6) /* clk / 256 */
-
-static void sdhi_boot_mmc_clk_stop(void __iomem *base)
-{
- sd_ctrl_write16(base, CTL_CLK_AND_WAIT_CTL, 0x0000);
- msleep(10);
- sd_ctrl_write16(base, CTL_SD_CARD_CLK_CTL, ~CLK_MMC_ENABLE &
- sd_ctrl_read16(base, CTL_SD_CARD_CLK_CTL));
- msleep(10);
-}
-
-static void sdhi_boot_mmc_clk_start(void __iomem *base)
-{
- sd_ctrl_write16(base, CTL_SD_CARD_CLK_CTL, CLK_MMC_ENABLE |
- sd_ctrl_read16(base, CTL_SD_CARD_CLK_CTL));
- msleep(10);
- sd_ctrl_write16(base, CTL_CLK_AND_WAIT_CTL, CLK_MMC_ENABLE);
- msleep(10);
-}
-
-static void sdhi_boot_reset(void __iomem *base)
-{
- sd_ctrl_write16(base, CTL_RESET_SD, 0x0000);
- msleep(10);
- sd_ctrl_write16(base, CTL_RESET_SD, 0x0001);
- msleep(10);
-}
-
-/* Set MMC clock / power.
- * Note: This controller uses a simple divider scheme therefore it cannot
- * run a MMC card at full speed (20MHz). The max clock is 24MHz on SD, but as
- * MMC wont run that fast, it has to be clocked at 12MHz which is the next
- * slowest setting.
- */
-static int sdhi_boot_mmc_set_ios(void __iomem *base, struct mmc_ios *ios)
-{
- if (sd_ctrl_read32(base, CTL_STATUS) & TMIO_STAT_CMD_BUSY)
- return -EBUSY;
-
- if (ios->clock)
- sd_ctrl_write16(base, CTL_SD_CARD_CLK_CTL,
- ios->clock | CLK_MMC_ENABLE);
-
- /* Power sequence - OFF -> ON -> UP */
- switch (ios->power_mode) {
- case MMC_POWER_OFF: /* power down SD bus */
- sdhi_boot_mmc_clk_stop(base);
- break;
- case MMC_POWER_ON: /* power up SD bus */
- break;
- case MMC_POWER_UP: /* start bus clock */
- sdhi_boot_mmc_clk_start(base);
- break;
- }
-
- switch (ios->bus_width) {
- case MMC_BUS_WIDTH_1:
- sd_ctrl_write16(base, CTL_SD_MEM_CARD_OPT, 0x80e0);
- break;
- case MMC_BUS_WIDTH_4:
- sd_ctrl_write16(base, CTL_SD_MEM_CARD_OPT, 0x00e0);
- break;
- }
-
- /* Let things settle. delay taken from winCE driver */
- udelay(140);
-
- return 0;
-}
-
-/* These are the bitmasks the tmio chip requires to implement the MMC response
- * types. Note that R1 and R6 are the same in this scheme. */
-#define RESP_NONE 0x0300
-#define RESP_R1 0x0400
-#define RESP_R1B 0x0500
-#define RESP_R2 0x0600
-#define RESP_R3 0x0700
-#define DATA_PRESENT 0x0800
-#define TRANSFER_READ 0x1000
-
-static int sdhi_boot_request(void __iomem *base, struct mmc_command *cmd)
-{
- int err, c = cmd->opcode;
-
- switch (mmc_resp_type(cmd)) {
- case MMC_RSP_NONE: c |= RESP_NONE; break;
- case MMC_RSP_R1: c |= RESP_R1; break;
- case MMC_RSP_R1B: c |= RESP_R1B; break;
- case MMC_RSP_R2: c |= RESP_R2; break;
- case MMC_RSP_R3: c |= RESP_R3; break;
- default:
- return -EINVAL;
- }
-
- /* No interrupts so this may not be cleared */
- sd_ctrl_write32(base, CTL_STATUS, ~TMIO_STAT_CMDRESPEND);
-
- sd_ctrl_write32(base, CTL_IRQ_MASK, TMIO_STAT_CMDRESPEND |
- sd_ctrl_read32(base, CTL_IRQ_MASK));
- sd_ctrl_write32(base, CTL_ARG_REG, cmd->arg);
- sd_ctrl_write16(base, CTL_SD_CMD, c);
-
-
- sd_ctrl_write32(base, CTL_IRQ_MASK,
- ~(TMIO_STAT_CMDRESPEND | ALL_ERROR) &
- sd_ctrl_read32(base, CTL_IRQ_MASK));
-
- err = sdhi_boot_wait_resp_end(base);
- if (err)
- return err;
-
- cmd->resp[0] = sd_ctrl_read32(base, CTL_RESPONSE);
-
- return 0;
-}
-
-static int sdhi_boot_do_read_single(void __iomem *base, int high_capacity,
- unsigned long block, unsigned short *buf)
-{
- int err, i;
-
- /* CMD17 - Read */
- {
- struct mmc_command cmd;
-
- cmd.opcode = MMC_READ_SINGLE_BLOCK | \
- TRANSFER_READ | DATA_PRESENT;
- if (high_capacity)
- cmd.arg = block;
- else
- cmd.arg = block * TMIO_BBS;
- cmd.flags = MMC_RSP_R1;
- err = sdhi_boot_request(base, &cmd);
- if (err)
- return err;
- }
-
- sd_ctrl_write32(base, CTL_IRQ_MASK,
- ~(TMIO_STAT_DATAEND | TMIO_STAT_RXRDY |
- TMIO_STAT_TXUNDERRUN) &
- sd_ctrl_read32(base, CTL_IRQ_MASK));
- err = sdhi_boot_wait_resp_end(base);
- if (err)
- return err;
-
- sd_ctrl_write16(base, CTL_SD_XFER_LEN, TMIO_BBS);
- for (i = 0; i < TMIO_BBS / sizeof(*buf); i++)
- *buf++ = sd_ctrl_read16(base, RESP_CMD12);
-
- err = sdhi_boot_wait_resp_end(base);
- if (err)
- return err;
-
- return 0;
-}
-
-int sdhi_boot_do_read(void __iomem *base, int high_capacity,
- unsigned long offset, unsigned short count,
- unsigned short *buf)
-{
- unsigned long i;
- int err = 0;
-
- for (i = 0; i < count; i++) {
- err = sdhi_boot_do_read_single(base, high_capacity, offset + i,
- buf + (i * TMIO_BBS /
- sizeof(*buf)));
- if (err)
- return err;
- }
-
- return 0;
-}
-
-#define VOLTAGES (MMC_VDD_32_33 | MMC_VDD_33_34)
-
-int sdhi_boot_init(void __iomem *base)
-{
- bool sd_v2 = false, sd_v1_0 = false;
- unsigned short cid;
- int err, high_capacity = 0;
-
- sdhi_boot_mmc_clk_stop(base);
- sdhi_boot_reset(base);
-
- /* mmc0: clock 400000Hz busmode 1 powermode 2 cs 0 Vdd 21 width 0 timing 0 */
- {
- struct mmc_ios ios;
- ios.power_mode = MMC_POWER_ON;
- ios.bus_width = MMC_BUS_WIDTH_1;
- ios.clock = CLK_MMC_INIT;
- err = sdhi_boot_mmc_set_ios(base, &ios);
- if (err)
- return err;
- }
-
- /* CMD0 */
- {
- struct mmc_command cmd;
- msleep(1);
- cmd.opcode = MMC_GO_IDLE_STATE;
- cmd.arg = 0;
- cmd.flags = MMC_RSP_NONE;
- err = sdhi_boot_request(base, &cmd);
- if (err)
- return err;
- msleep(2);
- }
-
- /* CMD8 - Test for SD version 2 */
- {
- struct mmc_command cmd;
- cmd.opcode = SD_SEND_IF_COND;
- cmd.arg = (VOLTAGES != 0) << 8 | 0xaa;
- cmd.flags = MMC_RSP_R1;
- err = sdhi_boot_request(base, &cmd); /* Ignore error */
- if ((cmd.resp[0] & 0xff) == 0xaa)
- sd_v2 = true;
- }
-
- /* CMD55 - Get OCR (SD) */
- {
- int timeout = 1000;
- struct mmc_command cmd;
-
- cmd.arg = 0;
-
- do {
- cmd.opcode = MMC_APP_CMD;
- cmd.flags = MMC_RSP_R1;
- cmd.arg = 0;
- err = sdhi_boot_request(base, &cmd);
- if (err)
- break;
-
- cmd.opcode = SD_APP_OP_COND;
- cmd.flags = MMC_RSP_R3;
- cmd.arg = (VOLTAGES & 0xff8000);
- if (sd_v2)
- cmd.arg |= OCR_HCS;
- cmd.arg |= OCR_FASTBOOT;
- err = sdhi_boot_request(base, &cmd);
- if (err)
- break;
-
- msleep(1);
- } while((!(cmd.resp[0] & OCR_BUSY)) && --timeout);
-
- if (!err && timeout) {
- if (!sd_v2)
- sd_v1_0 = true;
- high_capacity = (cmd.resp[0] & OCR_HCS) == OCR_HCS;
- }
- }
-
- /* CMD1 - Get OCR (MMC) */
- if (!sd_v2 && !sd_v1_0) {
- int timeout = 1000;
- struct mmc_command cmd;
-
- do {
- cmd.opcode = MMC_SEND_OP_COND;
- cmd.arg = VOLTAGES | OCR_HCS;
- cmd.flags = MMC_RSP_R3;
- err = sdhi_boot_request(base, &cmd);
- if (err)
- return err;
-
- msleep(1);
- } while((!(cmd.resp[0] & OCR_BUSY)) && --timeout);
-
- if (!timeout)
- return -EAGAIN;
-
- high_capacity = (cmd.resp[0] & OCR_HCS) == OCR_HCS;
- }
-
- /* CMD2 - Get CID */
- {
- struct mmc_command cmd;
- cmd.opcode = MMC_ALL_SEND_CID;
- cmd.arg = 0;
- cmd.flags = MMC_RSP_R2;
- err = sdhi_boot_request(base, &cmd);
- if (err)
- return err;
- }
-
- /* CMD3
- * MMC: Set the relative address
- * SD: Get the relative address
- * Also puts the card into the standby state
- */
- {
- struct mmc_command cmd;
- cmd.opcode = MMC_SET_RELATIVE_ADDR;
- cmd.arg = 0;
- cmd.flags = MMC_RSP_R1;
- err = sdhi_boot_request(base, &cmd);
- if (err)
- return err;
- cid = cmd.resp[0] >> 16;
- }
-
- /* CMD9 - Get CSD */
- {
- struct mmc_command cmd;
- cmd.opcode = MMC_SEND_CSD;
- cmd.arg = cid << 16;
- cmd.flags = MMC_RSP_R2;
- err = sdhi_boot_request(base, &cmd);
- if (err)
- return err;
- }
-
- /* CMD7 - Select the card */
- {
- struct mmc_command cmd;
- cmd.opcode = MMC_SELECT_CARD;
- //cmd.arg = rca << 16;
- cmd.arg = cid << 16;
- //cmd.flags = MMC_RSP_R1B;
- cmd.flags = MMC_RSP_R1;
- err = sdhi_boot_request(base, &cmd);
- if (err)
- return err;
- }
-
- /* CMD16 - Set the block size */
- {
- struct mmc_command cmd;
- cmd.opcode = MMC_SET_BLOCKLEN;
- cmd.arg = TMIO_BBS;
- cmd.flags = MMC_RSP_R1;
- err = sdhi_boot_request(base, &cmd);
- if (err)
- return err;
- }
-
- return high_capacity;
-}
diff --git a/arch/arm/boot/compressed/sdhi-shmobile.h b/arch/arm/boot/compressed/sdhi-shmobile.h
deleted file mode 100644
index 92eaa09f985e..000000000000
--- a/arch/arm/boot/compressed/sdhi-shmobile.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef SDHI_MOBILE_H
-#define SDHI_MOBILE_H
-
-#include <linux/compiler.h>
-
-int sdhi_boot_do_read(void __iomem *base, int high_capacity,
- unsigned long offset, unsigned short count,
- unsigned short *buf);
-int sdhi_boot_init(void __iomem *base);
-
-#endif
diff --git a/arch/arm/boot/compressed/string.c b/arch/arm/boot/compressed/string.c
index 36e53ef9200f..689467448736 100644
--- a/arch/arm/boot/compressed/string.c
+++ b/arch/arm/boot/compressed/string.c
@@ -65,6 +65,15 @@ size_t strlen(const char *s)
return sc - s;
}
+size_t strnlen(const char *s, size_t count)
+{
+ const char *sc;
+
+ for (sc = s; count-- && *sc != '\0'; ++sc)
+ /* nothing */;
+ return sc - s;
+}
+
int memcmp(const void *cs, const void *ct, size_t count)
{
const unsigned char *su1 = cs, *su2 = ct, *end = su1 + count;
diff --git a/arch/arm/boot/compressed/vmlinux.lds.S b/arch/arm/boot/compressed/vmlinux.lds.S
index 2b60b843ac5e..81c493156ce8 100644
--- a/arch/arm/boot/compressed/vmlinux.lds.S
+++ b/arch/arm/boot/compressed/vmlinux.lds.S
@@ -48,6 +48,13 @@ SECTIONS
*(.rodata)
*(.rodata.*)
}
+ .data : {
+ /*
+ * The EFI stub always executes from RAM, and runs strictly before the
+ * decompressor, so we can make an exception for its r/w data, and keep it
+ */
+ *(.data.efistub)
+ }
.piggydata : {
*(.piggydata)
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 01:08:38 +0000