| /* 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 */ |
| |
| /* provided to defeat compiler optimisation in board_init_f() */ |
| void gru_dummy_function(int i); |
| |
| #endif /* _ASM_ARCH_SYS_PROTO_H */ |