u-boot/board/google/gru/gru.c
Kever Yang 920b01388e rockchip: rk3399: Migrate to use common board file
Use common board file for board_init() and board_late_init(),
for Rockchip SoCs have very similar process.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
2019-07-29 10:27:48 +08:00

32 lines
635 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2018 Google
*/
#include <common.h>
#ifdef CONFIG_SPL_BUILD
/* provided to defeat compiler optimisation in board_init_f() */
void gru_dummy_function(int i)
{
}
int board_early_init_f(void)
{
# ifdef CONFIG_TARGET_CHROMEBOOK_BOB
int sum, i;
/*
* Add a delay and ensure that the compiler does not optimise this out.
* This is needed since the power rails tail a while to turn on, and
* we get garbage serial output otherwise.
*/
sum = 0;
for (i = 0; i < 150000; i++)
sum += i;
gru_dummy_function(sum);
#endif /* CONFIG_TARGET_CHROMEBOOK_BOB */
return 0;
}
#endif