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arm: imx6: tqma6: add configurable CMA size 

depending on the use case different CMA sizes are
needed for linux. Add env var to enable passing CMA size
via kernel command line

Signed-off-by: Markus Niebel <Markus.Niebel@tq-group.com>
This commit is contained in:
Markus Niebel 2017-02-03 16:13:58 +01:00 committed by Stefano Babic
parent f78038dc0d
commit 9e9846a484
1 changed files with 7 additions and 2 deletions
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9
include/configs/tqma6.h
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@ -281,6 +281,9 @@
/* 128 MiB offset as in ARM related docu for linux suggested */
#define TQMA6_FDT_ADDRESS 0x18000000
/* set to a resonable value, changeable by user */
#define TQMA6_CMA_SIZE 160M
#define CONFIG_EXTRA_ENV_SETTINGS \
"board=tqma6\0" \
"uimage=uImage\0" \
@ -293,14 +296,16 @@
"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
"fdt_addr="__stringify(TQMA6_FDT_ADDRESS)"\0" \
"console=" CONSOLE_DEV "\0" \
"cma_size="__stringify(TQMA6_CMA_SIZE)"\0" \
"fdt_high=0xffffffff\0" \
"initrd_high=0xffffffff\0" \
"addcma=setenv bootargs ${bootargs} cma=${cma_size}\0" \
"addtty=setenv bootargs ${bootargs} console=${console},${baudrate}\0" \
"addfb=setenv bootargs ${bootargs} " \
"imx-fbdev.legacyfb_depth=32 consoleblank=0\0" \
"mmcpart=2\0" \
"mmcblkdev=0\0" \
"mmcargs=run addmmc addtty addfb\0" \
"mmcargs=run addmmc addtty addfb addcma\0" \
"addmmc=setenv bootargs ${bootargs} " \
"root=/dev/mmcblk${mmcblkdev}p${mmcpart} rw rootwait\0" \
"mmcboot=echo Booting from mmc ...; " \
@ -317,7 +322,7 @@
"netdev=eth0\0" \
"rootpath=/srv/nfs/tqma6\0" \
"ipmode=static\0" \
"netargs=run addnfs addip addtty addfb\0" \
"netargs=run addnfs addip addtty addfb addcma\0" \
"addnfs=setenv bootargs ${bootargs} " \
"root=/dev/nfs rw " \
"nfsroot=${serverip}:${rootpath},v3,tcp;\0" \