u-boot/arch/arm/include/asm/arch-rockchip/sys_proto.h
Jagan Teki a982d5156d armv7: rk3288: Move configure_l2ctlr to common
configure_l2ctlr will be shared between SPL and TPL so
move them into asm/arch/sys_proto.h

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
2017-10-01 00:33:33 +02:00

33 lines
684 B
C

/*
* (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 <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 */