/* * (C) Copyright 2016 Rockchip Electronics Co.,Ltd * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _ASM_ARCH_SYS_PROTO_H #define _ASM_ARCH_SYS_PROTO_H #ifdef CONFIG_ROCKCHIP_RK3288 #include 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 */