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ARM: keystone: msmc: extend functionality of SES 

Add functions to set/get SES PMAX values of Pivilege ID pair.
Also add msmc module definitions.

Acked-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Hao Zhang <hzhang@ti.com>
Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
This commit is contained in:
Vitaly Andrianov 2014-10-22 17:47:57 +03:00 committed by Tom Rini
parent e165b1d34c
commit 079da2d514
3 changed files with 60 additions and 0 deletions
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26
arch/arm/cpu/armv7/keystone/msmc.c
View File

@ -66,3 +66,29 @@ void msmc_share_all_segments(int priv_id)
msmc->ses[priv_id][j].mpaxh &= 0xffffff7ful;
}
}
void msmc_map_ses_segment(int priv_id, int ses_pair,
u32 src_pfn, u32 dst_pfn, enum mpax_seg_size size)
{
struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
msmc->ses[priv_id][ses_pair].mpaxh = src_pfn << 12 |
(size & 0x1f) | 0x80;
msmc->ses[priv_id][ses_pair].mpaxl = dst_pfn << 8 | 0x3f;
}
void msmc_get_ses_mpax(int priv_id, int ses_pair, u32 *mpax)
{
struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
*mpax++ = msmc->ses[priv_id][ses_pair].mpaxl;
*mpax = msmc->ses[priv_id][ses_pair].mpaxh;
}
void msmc_set_ses_mpax(int priv_id, int ses_pair, u32 *mpax)
{
struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
msmc->ses[priv_id][ses_pair].mpaxl = *mpax++;
msmc->ses[priv_id][ses_pair].mpaxh = *mpax;
}

6
arch/arm/include/asm/arch-keystone/hardware.h
View File

@ -148,6 +148,12 @@ typedef volatile unsigned int *dv_reg_p;
#define KS2_MSMC_SEGMENT_QM_PDSP 10
#define KS2_MSMC_SEGMENT_PCIE0 11
/* MSMC segment size shift bits */
#define KS2_MSMC_SEG_SIZE_SHIFT 12
#define KS2_MSMC_MAP_SEG_NUM (2 << (30 - KS2_MSMC_SEG_SIZE_SHIFT))
#define KS2_MSMC_DST_SEG_BASE (CONFIG_SYS_LPAE_SDRAM_BASE >> \
KS2_MSMC_SEG_SIZE_SHIFT)
/* Device speed */
#define KS2_REV1_DEVSPEED (KS2_DEVICE_STATE_CTRL_BASE + 0xc98)
#define KS2_EFUSE_BOOTROM (KS2_DEVICE_STATE_CTRL_BASE + 0xc90)

28
arch/arm/include/asm/arch-keystone/msmc.h
View File

@ -12,6 +12,34 @@
#include <asm/arch/hardware.h>
enum mpax_seg_size {
MPAX_SEG_4K = 0x0b,
MPAX_SEG_8K,
MPAX_SEG_16K,
MPAX_SEG_32K,
MPAX_SEG_64K,
MPAX_SEG_128K,
MPAX_SEG_256K,
MPAX_SEG_512K,
MPAX_SEG_1M,
MPAX_SEG_2M,
MPAX_SEG_4M,
MPAX_SEG_8M,
MPAX_SEG_16M,
MPAX_SEG_32M,
MPAX_SEG_64M,
MPAX_SEG_128M,
MPAX_SEG_256M,
MPAX_SEG_512M,
MPAX_SEG_1G,
MPAX_SEG_2G,
MPAX_SEG_4G
};
void msmc_share_all_segments(int priv_id);
void msmc_get_ses_mpax(int priv_id, int ses_pair, u32 *mpax);
void msmc_set_ses_mpax(int priv_id, int ses_pair, u32 *mpax);
void msmc_map_ses_segment(int priv_id, int ses_pair,
u32 src_pfn, u32 dst_pfn, enum mpax_seg_size size);
#endif