From c995f3a3c5263c2e424064fac81f169846b6d25e Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Sat, 28 Jan 2017 06:53:44 +0900
Subject: [PATCH] ARM: uniphier: use gd->bd->bi_dram for memory reserve on LD20
 SoC

For LD20 SoC, the last 64 byte of each DRAM bank is used for the
dynamic training of DRAM PHY.  The regions must be reserved in DT to
prevent the kernel from using them.  Now gd->bd->bi_dram reflects
the actual memory banks.  Just use it instead of getting access to
the board parameters.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---
 arch/arm/mach-uniphier/dram_init.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/arch/arm/mach-uniphier/dram_init.c b/arch/arm/mach-uniphier/dram_init.c
index b78ca72013..881062d9b6 100644
--- a/arch/arm/mach-uniphier/dram_init.c
+++ b/arch/arm/mach-uniphier/dram_init.c
@@ -248,22 +248,15 @@ void dram_init_banksize(void)
  */
 int ft_board_setup(void *fdt, bd_t *bd)
 {
-	const struct uniphier_board_data *param;
 	unsigned long rsv_addr;
 	const unsigned long rsv_size = 64;
-	int ch, ret;
+	int i, ret;
 
 	if (uniphier_get_soc_id() != UNIPHIER_LD20_ID)
 		return 0;
 
-	param = uniphier_get_board_param();
-	if (!param) {
-		printf("failed to get board parameter\n");
-		return -ENODEV;
-	}
-
-	for (ch = 0; ch < param->dram_nr_ch; ch++) {
-		rsv_addr = param->dram_ch[ch].base + param->dram_ch[ch].size;
+	for (i = 0; i < ARRAY_SIZE(gd->bd->bi_dram); i++) {
+		rsv_addr = gd->bd->bi_dram[i].start + gd->bd->bi_dram[i].size;
 		rsv_addr -= rsv_size;
 
 		ret = fdt_add_mem_rsv(fdt, rsv_addr, rsv_size);
-- 
2.39.5