[U-Boot] [PATCH v5 1/2] arm: cache: add support for LPAE for region D$ behavior

[Stefan Agner]

From: Stefan Agner <stefan.agner at toradex.com>

Add LPAE support for mmu_set_region_dcache_behaviour. The function
is in use in some LPAE capable board such TI DRA7xx or NXP i.MX 7.

Signed-off-by: Stefan Agner <stefan.agner at toradex.com>

---

Changes in v5:
- Add this LPAE enablement patch

Changes in v4: None
Changes in v3: None
Changes in v2: None

 arch/arm/lib/cache-cp15.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/lib/cache-cp15.c b/arch/arm/lib/cache-cp15.c
index 1121dc3..3aabda1 100644
--- a/arch/arm/lib/cache-cp15.c
+++ b/arch/arm/lib/cache-cp15.c
@@ -61,7 +61,11 @@ __weak void mmu_page_table_flush(unsigned long start, unsigned long stop)
 void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,
 				     enum dcache_option option)
 {
+#ifdef CONFIG_ARMV7_LPAE
+	u64 *page_table = (u64 *)gd->arch.tlb_addr;
+#else
 	u32 *page_table = (u32 *)gd->arch.tlb_addr;
+#endif
 	unsigned long upto, end;
 
 	end = ALIGN(start + size, MMU_SECTION_SIZE) >> MMU_SECTION_SHIFT;
-- 
2.9.0