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#ifndef __ASM_ARM_HEAD_H
#define __ASM_ARM_HEAD_H
#include <asm/system.h>
#ifndef __ASSEMBLY__
void arm_cpu_lowlevel_init(void);
void cortex_a7_lowlevel_init(void);
/*
* 32 bytes at this offset is reserved in the barebox head for board/SoC
* usage
*/
#define ARM_HEAD_SPARE_OFS 0x30
#define ARM_HEAD_SPARE_MARKER 0x55555555
#ifdef CONFIG_HAVE_MACH_ARM_HEAD
#include <mach/barebox-arm-head.h>
#else
static inline void __barebox_arm_head(void)
{
__asm__ __volatile__ (
#ifdef CONFIG_CPU_32
#ifdef CONFIG_THUMB2_BAREBOX
".arm\n"
"adr r9, 1f + 1\n"
"bx r9\n"
".thumb\n"
"1:\n"
"bl 2f\n"
".rept 10\n"
"1: b 1b\n"
".endr\n"
#else
"b 2f\n"
"1: b 1b\n"
"1: b 1b\n"
"1: b 1b\n"
"1: b 1b\n"
"1: b 1b\n"
"1: b 1b\n"
"1: b 1b\n"
#endif
#else
"b 2f\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
#endif
".asciz \"barebox\"\n"
#ifdef CONFIG_CPU_32
".word _text\n" /* text base. If copied there,
* barebox can skip relocation
*/
#else
".word 0xffffffff\n"
#endif
".word _barebox_image_size\n" /* image size to copy */
".rept 8\n"
".word 0x55555555\n"
".endr\n"
"2:\n"
);
}
static inline void barebox_arm_head(void)
{
__barebox_arm_head();
__asm__ __volatile__ (
"b barebox_arm_reset_vector\n"
);
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ASM_ARM_HEAD_H */
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