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authorVitaly Andrianov <vitalya@ti.com>2014-10-22 17:47:57 +0300
committerTom Rini <trini@ti.com>2014-10-23 11:27:29 -0400
commit079da2d514a447626a81f9df45c9f57e2f512a77 (patch)
tree329277c8dfe06a4b0e5e55c09121a906346ffe6b
parente165b1d34cd91cb42b0614792aa88e0677944ee7 (diff)
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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>
-rw-r--r--arch/arm/cpu/armv7/keystone/msmc.c26
-rw-r--r--arch/arm/include/asm/arch-keystone/hardware.h6
-rw-r--r--arch/arm/include/asm/arch-keystone/msmc.h28
3 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/keystone/msmc.c b/arch/arm/cpu/armv7/keystone/msmc.c
index 7d8e597..7899141 100644
--- a/arch/arm/cpu/armv7/keystone/msmc.c
+++ b/arch/arm/cpu/armv7/keystone/msmc.c
@@ -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;
+}
diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h
index 6e2e939..8e0b879 100644
--- a/arch/arm/include/asm/arch-keystone/hardware.h
+++ b/arch/arm/include/asm/arch-keystone/hardware.h
@@ -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)
diff --git a/arch/arm/include/asm/arch-keystone/msmc.h b/arch/arm/include/asm/arch-keystone/msmc.h
index c320db5..083f5ba 100644
--- a/arch/arm/include/asm/arch-keystone/msmc.h
+++ b/arch/arm/include/asm/arch-keystone/msmc.h
@@ -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