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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2016 Rockchip Electronics Co., Ltd
*/
#include <asm/io.h>
#include <asm/arch-rockchip/hardware.h>
#include <asm/arch-rockchip/grf_rk3288.h>
#define GRF_BASE 0xff770000
int arch_cpu_init(void)
{
/* We do some SoC one time setting here. */
struct rk3288_grf * const grf = (void *)GRF_BASE;
/* Use rkpwm by default */
rk_setreg(&grf->soc_con2, 1 << 0);
return 0;
}
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
void board_debug_uart_init(void)
{
/* Enable early UART on the RK3288 */
struct rk3288_grf * const grf = (void *)GRF_BASE;
rk_clrsetreg(&grf->gpio7ch_iomux, GPIO7C7_MASK << GPIO7C7_SHIFT |
GPIO7C6_MASK << GPIO7C6_SHIFT,
GPIO7C7_UART2DBG_SOUT << GPIO7C7_SHIFT |
GPIO7C6_UART2DBG_SIN << GPIO7C6_SHIFT);
}
#endif
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