mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-12 07:57:21 +00:00
3ffa95c283
This patch adds a minimal framework for Dickens CCN-504 interconnect configuration - mainly related to adding Clusters/cores to snoop/DVM domain and setting QoS of the RN-I ports. LS2085A platform makes use of these configurations to support better network data performance and to boot a SMP Linux. Signed-off-by: Bhupesh Sharma <bhupesh.sharma@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
61 lines
1.4 KiB
ArmAsm
61 lines
1.4 KiB
ArmAsm
/*
|
|
* (C) Copyright 2015 Freescale Semiconductor
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*
|
|
* Extracted from gic_64.S
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <linux/linkage.h>
|
|
#include <asm/macro.h>
|
|
|
|
/*************************************************************************
|
|
*
|
|
* void ccn504_add_masters_to_dvm(CCI_MN_BASE, CCI_MN_RNF_NODEID_LIST,
|
|
* CCI_MN_DVM_DOMAIN_CTL_SET);
|
|
*
|
|
* Add fully-coherent masters to DVM domain
|
|
*
|
|
*************************************************************************/
|
|
ENTRY(ccn504_add_masters_to_dvm)
|
|
/*
|
|
* x0: CCI_MN_BASE
|
|
* x1: CCI_MN_RNF_NODEID_LIST
|
|
* x2: CCI_MN_DVM_DOMAIN_CTL_SET
|
|
*/
|
|
|
|
/* Add fully-coherent masters to DVM domain */
|
|
ldr x9, [x0, x1]
|
|
str x9, [x0, x2]
|
|
1: ldr x10, [x0, x2]
|
|
mvn x11, x10
|
|
tst x11, x10 /* Wait for domain addition to complete */
|
|
b.ne 1b
|
|
|
|
ret
|
|
ENDPROC(ccn504_add_masters_to_dvm)
|
|
|
|
/*************************************************************************
|
|
*
|
|
* void ccn504_set_qos(CCI_Sx_QOS_CONTROL_BASE, QoS Value);
|
|
*
|
|
* Initialize QoS settings for AR/AW override.
|
|
* Right now, this function sets the same QoS value for all RN-I ports
|
|
*
|
|
*************************************************************************/
|
|
ENTRY(ccn504_set_qos)
|
|
/*
|
|
* x0: CCI_Sx_QOS_CONTROL_BASE
|
|
* x1: QoS Value
|
|
*/
|
|
|
|
/* Set all RN-I ports to QoS value denoted by x1 */
|
|
ldr x9, [x0]
|
|
mov x10, x1
|
|
orr x9, x9, x10
|
|
str x9, [x0]
|
|
|
|
ret
|
|
ENDPROC(ccn504_set_qos)
|
|
|