[PATCH v2 4/5] board: sama5d2_xplained: Get dram size and base from device tree

Clément Léger clement.leger at bootlin.com
Mon Aug 16 14:25:42 CEST 2021


In order to make it more flexible and allow modifying the base address
of DRAM without recompiling U-Boot, use memory node from device tree
with fdtdec functions.

Signed-off-by: Clément Léger <clement.leger at bootlin.com>
---
 board/atmel/sama5d2_xplained/sama5d2_xplained.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/board/atmel/sama5d2_xplained/sama5d2_xplained.c b/board/atmel/sama5d2_xplained/sama5d2_xplained.c
index 5110ec8969..8b5cd533d0 100644
--- a/board/atmel/sama5d2_xplained/sama5d2_xplained.c
+++ b/board/atmel/sama5d2_xplained/sama5d2_xplained.c
@@ -68,7 +68,7 @@ int board_early_init_f(void)
 int board_init(void)
 {
 	/* address of boot parameters */
-	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+	gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
 
 #ifdef CONFIG_CMD_USB
 	board_usb_hw_init();
@@ -77,11 +77,14 @@ int board_init(void)
 	return 0;
 }
 
+int dram_init_banksize(void)
+{
+	return fdtdec_setup_memory_banksize();
+}
+
 int dram_init(void)
 {
-	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
-				    CONFIG_SYS_SDRAM_SIZE);
-	return 0;
+	return fdtdec_setup_mem_size_base();
 }
 
 #define AT24MAC_MAC_OFFSET	0x9a
-- 
2.32.0



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