u-boot/arch/arm/cpu/armv7/armada-xp/lowlevel_spl.S
Stefan Roese b0f80b913f arm: armada-xp: Add SPL support used to include the DDR training code
This patch adds SPL support to the Marvell Armada-XP. With this addition
the bin_hdr integration is not needed any more. The SPL will first
initialize the serdes/PHY and the call the DDR setup and training code
now integrated into mainline U-Boot.

Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Luka Perkov <luka.perkov@sartura.hr>
2015-02-06 17:24:56 +01:00

62 lines
1.1 KiB
ArmAsm

/*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <version.h>
#include <linux/linkage.h>
ENTRY(save_boot_params)
bx lr
ENDPROC(save_boot_params)
/*
* cache_inv - invalidate Cache line
* r0 - dest
*/
.global cache_inv
.type cache_inv, %function
cache_inv:
stmfd sp!, {r1-r12}
mcr p15, 0, r0, c7, c6, 1
ldmfd sp!, {r1-r12}
bx lr
/*
* flush_l1_v6 - l1 cache clean invalidate
* r0 - dest
*/
.global flush_l1_v6
.type flush_l1_v6, %function
flush_l1_v6:
stmfd sp!, {r1-r12}
mcr p15, 0, r0, c7, c10, 5 /* @ data memory barrier */
mcr p15, 0, r0, c7, c14, 1 /* @ clean & invalidate D line */
mcr p15, 0, r0, c7, c10, 4 /* @ data sync barrier */
ldmfd sp!, {r1-r12}
bx lr
/*
* flush_l1_v7 - l1 cache clean invalidate
* r0 - dest
*/
.global flush_l1_v7
.type flush_l1_v7, %function
flush_l1_v7:
stmfd sp!, {r1-r12}
dmb /* @data memory barrier */
mcr p15, 0, r0, c7, c14, 1 /* @ clean & invalidate D line */
dsb /* @data sync barrier */
ldmfd sp!, {r1-r12}
bx lr