[U-Boot] [PATCH v1 02/24] armv8/fsl-lsch3: Change normal memory shareability

[York Sun]

According to hardware implementation, a single outer shareable global
coherence group is defined. Inner shareable has not bee enabled.

Signed-off-by: York Sun <yorksun at freescale.com>
---

 arch/arm/cpu/armv8/fsl-lsch3/cpu.c |    6 +++---
 arch/arm/include/asm/armv8/mmu.h   |    3 ++-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
index 47b947f..ada1690 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
@@ -150,7 +150,7 @@ static inline void final_mmu_setup(void)
 	 * set level 2 table 0 to cache-inhibit, covering 0 to 1GB
 	 */
 	section_l1t0 = 0;
-	section_l1t1 = BLOCK_SIZE_L0;
+	section_l1t1 = BLOCK_SIZE_L0 | PMD_SECT_OUTER_SHARE;
 	section_l2 = 0;
 	for (i = 0; i < 512; i++) {
 		set_pgtable_section(level1_table_0, i, section_l1t0,
@@ -168,10 +168,10 @@ static inline void final_mmu_setup(void)
 		(u64)level2_table_0 | PMD_TYPE_TABLE;
 	level1_table_0[2] =
 		0x80000000 | PMD_SECT_AF | PMD_TYPE_SECT |
-		PMD_ATTRINDX(MT_NORMAL);
+		PMD_SECT_OUTER_SHARE | PMD_ATTRINDX(MT_NORMAL);
 	level1_table_0[3] =
 		0xc0000000 | PMD_SECT_AF | PMD_TYPE_SECT |
-		PMD_ATTRINDX(MT_NORMAL);
+		PMD_SECT_OUTER_SHARE | PMD_ATTRINDX(MT_NORMAL);
 
 	/* Rewrite table to enable cache */
 	set_pgtable_section(level2_table_0,
diff --git a/arch/arm/include/asm/armv8/mmu.h b/arch/arm/include/asm/armv8/mmu.h
index 4b7b67b..4b9cb52 100644
--- a/arch/arm/include/asm/armv8/mmu.h
+++ b/arch/arm/include/asm/armv8/mmu.h
@@ -65,7 +65,8 @@
 /*
  * Section
  */
-#define PMD_SECT_S		(3 << 8)
+#define PMD_SECT_OUTER_SHARE	(2 << 8)
+#define PMD_SECT_INNER_SHARE	(3 << 8)
 #define PMD_SECT_AF		(1 << 10)
 #define PMD_SECT_NG		(1 << 11)
 #define PMD_SECT_PXN		(UL(1) << 53)
-- 
1.7.9.5