From: Markus Niebel Markus.Niebel@tq-group.com
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 --- include/configs/tqma6.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/include/configs/tqma6.h b/include/configs/tqma6.h index 09783a2..ceb4626 100644 --- a/include/configs/tqma6.h +++ b/include/configs/tqma6.h @@ -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" \