[U-Boot] [U-boot] [Patch v2 2/4] ARM: keystone: msmc: extend functionality of SES

[Ivan Khoronzhuk]

From: Vitaly Andrianov <vitalya at ti.com>

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

Acked-by: Murali Karicheri <m-karicheri2 at ti.com>
Signed-off-by: Hao Zhang <hzhang at ti.com>
Signed-off-by: Vitaly Andrianov <vitalya at ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk at ti.com>
---
 arch/arm/cpu/armv7/keystone/msmc.c            | 26 +++++++++++++++++++++++++
 arch/arm/include/asm/arch-keystone/hardware.h |  6 ++++++
 arch/arm/include/asm/arch-keystone/msmc.h     | 28 +++++++++++++++++++++++++++
 3 files changed, 60 insertions(+)

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 6788001..d2bd6cb 100644
--- a/arch/arm/include/asm/arch-keystone/hardware.h
+++ b/arch/arm/include/asm/arch-keystone/hardware.h
@@ -165,6 +165,12 @@ typedef volatile unsigned int   *dv_reg_p;
 #define KS2_MSMC_CTRL_BASE		0x0bc00000
 #define KS2_MSMC_DATA_BASE		0x0c000000
 
+/* 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)
+
 /* USB */
 #define KS2_USB_SS_BASE			0x02680000
 #define KS2_USB_HOST_XHCI_BASE		(KS2_USB_SS_BASE + 0x10000)
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
-- 
1.8.3.2