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ARM: add relocation support

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!! This breaks support for all arm boards !!

To compile in old style, you must define
CONFIG_SYS_ARM_WITHOUT_RELOC or you can compile
with "CONFIG_SYS_ARM_WITHOUT_RELOC=1 ./MAKEALL board"

!! This define will be removed soon, so convert your
board to use relocation support

Portions of this work were supported by funding from
the CE Linux Forum.

Signed-off-by: Heiko Schocher <hs@denx.de>

Fix boot from NAND for non-ARM systems
Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Heiko Schocher 2010-09-17 13:10:39 +02:00 • committed by Wolfgang Denk
parent 4fff329df2
commit f1d2b313c9
13 changed files with 910 additions and 8 deletions
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14
arch/arm/include/asm/u-boot-arm.h
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@ -30,11 +30,20 @@
#define _U_BOOT_ARM_H_ 1
/* for the following variables, see start.S */
extern ulong _armboot_start; /* code start */
extern ulong _bss_start; /* code + data end == BSS start */
extern ulong _bss_end; /* BSS end */
extern ulong IRQ_STACK_START; /* top of IRQ stack */
extern ulong FIQ_STACK_START; /* top of FIQ stack */
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
extern ulong _armboot_start; /* code start */
#else
extern ulong _TEXT_BASE; /* code start */
extern ulong _datarel_start;
extern ulong _datarelrolocal_start;
extern ulong _datarellocal_start;
extern ulong _datarelro_start;
extern ulong IRQ_STACK_START_IN; /* 8 bytes in IRQ stack */
#endif
/* cpu/.../cpu.c */
int cpu_init(void);
@ -47,6 +56,9 @@ int arch_misc_init(void);
/* board/.../... */
int board_init(void);
int dram_init (void);
#if !defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
void dram_init_banksize (void);
#endif
void setup_serial_tag (struct tag **params);
void setup_revision_tag (struct tag **params);