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rockchip: spl: add udelay(),hang(),memset() in spl 

add udelay(),hang(),memset() in spl.c when we do not config
CONFIG_SPL_LIBGENERIC_SUPPORT.

Change-Id: Ib6c5532af002b501659ee5964d3a09954f0b3fdf
Signed-off-by: Zhihuan He <huan.he@rock-chips.com>
This commit is contained in:
Zhihuan He 2018-07-25 18:11:24 +08:00 committed by Kever Yang
parent d4bcb632d8
commit e62c13b977
1 changed files with 50 additions and 0 deletions
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50
arch/arm/mach-rockchip/spl.c
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@ -86,6 +86,56 @@ __weak int rk_board_init_f(void)
return 0;
}
#ifndef CONFIG_SPL_LIBGENERIC_SUPPORT
void udelay(unsigned long usec)
{
__udelay(usec);
}
void hang(void)
{
bootstage_error(BOOTSTAGE_ID_NEED_RESET);
for (;;)
;
}
/**
* memset - Fill a region of memory with the given value
* @s: Pointer to the start of the area.
* @c: The byte to fill the area with
* @count: The size of the area.
*
* Do not use memset() to access IO space, use memset_io() instead.
*/
void *memset(void *s, int c, size_t count)
{
unsigned long *sl = (unsigned long *)s;
char *s8;
#if !CONFIG_IS_ENABLED(TINY_MEMSET)
unsigned long cl = 0;
int i;
/* do it one word at a time (32 bits or 64 bits) while possible */
if (((ulong)s & (sizeof(*sl) - 1)) == 0) {
for (i = 0; i < sizeof(*sl); i++) {
cl <<= 8;
cl |= c & 0xff;
}
while (count >= sizeof(*sl)) {
*sl++ = cl;
count -= sizeof(*sl);
}
}
#endif /* fill 8 bits at a time */
s8 = (char *)sl;
while (count--)
*s8++ = c;
return s;
}
#endif
void board_init_f(ulong dummy)
{
#ifdef CONFIG_SPL_FRAMEWORK