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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2016 Rockchip Electronics Co.,Ltd
*/
#ifndef _ASM_ARCH_SYS_PROTO_H
#define _ASM_ARCH_SYS_PROTO_H
#ifdef CONFIG_ROCKCHIP_RK3288
#include <asm/armv7.h>
static void configure_l2ctlr(void)
{
uint32_t l2ctlr;
l2ctlr = read_l2ctlr();
l2ctlr &= 0xfffc0000; /* clear bit0~bit17 */
/*
* Data RAM write latency: 2 cycles
* Data RAM read latency: 2 cycles
* Data RAM setup latency: 1 cycle
* Tag RAM write latency: 1 cycle
* Tag RAM read latency: 1 cycle
* Tag RAM setup latency: 1 cycle
*/
l2ctlr |= (1 << 3 | 1 << 0);
write_l2ctlr(l2ctlr);
}
#endif /* CONFIG_ROCKCHIP_RK3288 */
#endif /* _ASM_ARCH_SYS_PROTO_H */
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