[U-Boot] [PATCH 21/34] imx: ventana: add mem_mb dynamic env var

Tim Harvey tharvey at gateworks.com
Wed Apr 8 21:54:51 CEST 2015


Certain OS bootscripts need to know how much memory a board has to adjust
kernel parameters (namely Android). This allows those boards to determine
mem size in MB.

Signed-off-by: Tim Harvey <tharvey at gateworks.com>
---
 board/gateworks/gw_ventana/gw_ventana.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index 2906dcc..307ffa5 100644
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -1498,6 +1498,10 @@ int misc_init_r(void)
 		/* board serial-number */
 		sprintf(str, "%6d", info->serial);
 		setenv("serial#", str);
+
+		/* memory MB */
+		sprintf(str, "%d", (int) (gd->ram_size >> 20));
+		setenv("mem_mb", str);
 	}
 
 
-- 
1.9.1



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