From: Hao Zhang hzhang@ti.com
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 --- arch/arm/cpu/armv7/keystone/init.c | 12 +++++++----- arch/arm/cpu/armv7/keystone/msmc.c | 4 ++-- arch/arm/include/asm/arch-keystone/hardware.h | 1 - arch/arm/include/asm/arch-keystone/msmc.h | 17 +++++++++++++++++ 4 files changed, 26 insertions(+), 8 deletions(-) create mode 100644 arch/arm/include/asm/arch-keystone/msmc.h
diff --git a/arch/arm/cpu/armv7/keystone/init.c b/arch/arm/cpu/armv7/keystone/init.c index f4c293a..a8f8aee 100644 --- a/arch/arm/cpu/armv7/keystone/init.c +++ b/arch/arm/cpu/armv7/keystone/init.c @@ -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
/* diff --git a/arch/arm/cpu/armv7/keystone/msmc.c b/arch/arm/cpu/armv7/keystone/msmc.c index af858fa..7d8e597 100644 --- a/arch/arm/cpu/armv7/keystone/msmc.c +++ b/arch/arm/cpu/armv7/keystone/msmc.c @@ -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; diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h index 9c86b69..bcfb551 100644 --- a/arch/arm/include/asm/arch-keystone/hardware.h +++ b/arch/arm/include/asm/arch-keystone/hardware.h @@ -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);
diff --git a/arch/arm/include/asm/arch-keystone/msmc.h b/arch/arm/include/asm/arch-keystone/msmc.h new file mode 100644 index 0000000..c320db5 --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/msmc.h @@ -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