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imx: ventana: add mem_mb dynamic env var

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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@gateworks.com>
This commit is contained in:
Tim Harvey 2015-04-08 12:54:51 -07:00 committed by Stefano Babic
parent 16e369f5ec
commit e7329174c8
1 changed files with 4 additions and 0 deletions
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4
board/gateworks/gw_ventana/gw_ventana.c
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@ -1498,6 +1498,10 @@ int misc_init_r(void)
/* board serial-number */ /* board serial-number */
sprintf(str, "%6d", info->serial); sprintf(str, "%6d", info->serial);
setenv("serial#", str); setenv("serial#", str);
/* memory MB */
sprintf(str, "%d", (int) (gd->ram_size >> 20));
setenv("mem_mb", str);
} }