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ARM: keystone2: add MSMC cache coherency support for K2E SOC

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This patch adds Keystone2 K2E SOC specific code to support
MSMC cache coherency. Also create header file for msmc to hold
its API.

Acked-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Hao Zhang <hzhang@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
This commit is contained in:
Hao Zhang 2014-07-16 00:59:24 +03:00 committed by Tom Rini
parent 4dca7f0acc
commit 20187fd11c
4 changed files with 26 additions and 8 deletions
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12
arch/arm/cpu/armv7/keystone/init.c
View File

@ -10,6 +10,7 @@
#include <common.h>
#include <ns16550.h>
#include <asm/io.h>
#include <asm/arch/msmc.h>
#include <asm/arch/clock.h>
#include <asm/arch/hardware.h>
@ -24,11 +25,12 @@ int arch_cpu_init(void)
chip_configuration_unlock();
icache_enable();
#ifdef CONFIG_SOC_K2HK
share_all_segments(8);
share_all_segments(9);
share_all_segments(10); /* QM PDSP */
share_all_segments(11); /* PCIE */
msmc_share_all_segments(8); /* TETRIS */
msmc_share_all_segments(9); /* NETCP */
msmc_share_all_segments(10); /* QM PDSP */
msmc_share_all_segments(11); /* PCIE 0 */
#ifdef CONFIG_SOC_K2E
msmc_share_all_segments(13); /* PCIE 1 */
#endif
/*

4
arch/arm/cpu/armv7/keystone/msmc.c
View File

@ -8,7 +8,7 @@
*/
#include <common.h>
#include <asm/arch/hardware.h>
#include <asm/arch/msmc.h>
struct mpax {
u32 mpaxl;
@ -56,7 +56,7 @@ struct msms_regs {
};
void share_all_segments(int priv_id)
void msmc_share_all_segments(int priv_id)
{
struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
int j;

1
arch/arm/include/asm/arch-keystone/hardware.h
View File

@ -180,7 +180,6 @@ static inline int cpu_revision(void)
return rev;
}
void share_all_segments(int priv_id);
int cpu_to_bus(u32 *ptr, u32 length);
void sdelay(unsigned long);

17
arch/arm/include/asm/arch-keystone/msmc.h Normal file
View File

@ -0,0 +1,17 @@
/*
* MSMC controller
*
* (C) Copyright 2014
* Texas Instruments Incorporated, <www.ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _MSMC_H_
#define _MSMC_H_
#include <asm/arch/hardware.h>
void msmc_share_all_segments(int priv_id);
#endif