[U-Boot] [PATCH][v2]drivers:net:fsl-mc: Update MC address calculation

[Priyanka Jain]

Update MC address calculation as per MC design requirement
of address as least significant 512MB address
of MC private allocated memory, i.e. address should point
to end address masked with 512MB offset in private DRAM block.

Signed-off-by: Priyanka Jain <priyanka.jain at nxp.com>
Signed-off-by: Ashish Kumar <ashish.kumar at nxp.com>
---
Changes for v2: Updated description and code comment
 to clarify more on MC design requirement based on York suggestion.

 drivers/net/fsl-mc/mc.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c
index 3a30c03..284737c 100644
--- a/drivers/net/fsl-mc/mc.c
+++ b/drivers/net/fsl-mc/mc.c
@@ -800,12 +800,19 @@ int get_dpl_apply_status(void)
 	return mc_dpl_applied;
 }
 
-/**
+/*
  * Return the MC address of private DRAM block.
+ * As per MC design document, MC initial base address
+ * should be least significant 512MB address of MC private
+ * memory, i.e. address should point to end address masked
+ * with 512MB offset in private DRAM block.
  */
 u64 mc_get_dram_addr(void)
 {
-	return gd->arch.resv_ram;
+	size_t mc_ram_size = mc_get_dram_block_size();
+
+	return (gd->arch.resv_ram + mc_ram_size - 1) &
+		MC_RAM_BASE_ADDR_ALIGNMENT_MASK;
 }
 
 /**
-- 
1.7.4.1