commit 1473b12ad0b33771ded1b2fd6b73d2cd6d73b8f7
author Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Mon Jul 16 15:56:10 2018 +0530
committer Michal Simek <michal.simek@xilinx.com> Thu Jul 19 10:49:56 2018 +0200
tree 9fa0de2e820f89ffa33941b069e5eb96865b0b8c
parent f4da871a7f09540557792ea5da688c54790add7d

lib: fdtdec: Update ram_base to store ram start adddress

This patch updates the ram_base to store the start address of
the first bank DRAM and the use this ram_base to calculate ram_top
properly. This patch fixes the erroneous calculation of ram_top
incase of non zero ram start address.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

common/board_f.c

diff --git a/common/board_f.c b/common/board_f.c
index e943347..88d7700 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -281,9 +281,9 @@
 	gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
 #endif
 #ifdef CONFIG_SYS_SDRAM_BASE
-	gd->ram_top = CONFIG_SYS_SDRAM_BASE;
+	gd->ram_base = CONFIG_SYS_SDRAM_BASE;
 #endif
-	gd->ram_top += get_effective_memsize();
+	gd->ram_top = gd->ram_base + get_effective_memsize();
 	gd->ram_top = board_get_usable_ram_top(gd->mon_len);
 	gd->relocaddr = gd->ram_top;
 	debug("Ram top: %08lX\n", (ulong)gd->ram_top);

lib/fdtdec.c

diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 1b0c430..66dff0f 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -1173,6 +1173,7 @@
 	}
 
 	gd->ram_size = (phys_size_t)(res.end - res.start + 1);
+	gd->ram_base = (unsigned long)res.start;
 	debug("%s: Initial DRAM size %llx\n", __func__,
 	      (unsigned long long)gd->ram_size);