diff options
| author | Bhuvanchandra DV <bhuvanchandra.dv@toradex.com> | 2017-06-06 16:16:27 +0530 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-06-18 22:47:31 +0200 |
| commit | df048a64d344a36303cc56ab8da89887e4381491 (patch) | |
| tree | 5ff3c0e6a797e02dd194245056c944b40a712404 | |
| parent | 4c43494fbf8d7abf3f44d62d25436d2354594a1d (diff) | |
toradex: colibri_imx6: overwrite CMA memory set in device tree
Make sure CMA memory is not greater than 50% of available physical
memory.
Allow user to change the CMA memory via 'cma-size' U-Boot environment
variable.
Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
| -rw-r--r-- | board/toradex/colibri_imx6/colibri_imx6.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/board/toradex/colibri_imx6/colibri_imx6.c b/board/toradex/colibri_imx6/colibri_imx6.c index 20daa5c4477..eb2c552c4bf 100644 --- a/board/toradex/colibri_imx6/colibri_imx6.c +++ b/board/toradex/colibri_imx6/colibri_imx6.c @@ -35,6 +35,7 @@ #include <miiphy.h> #include <mmc.h> #include <netdev.h> +#include <libfdt.h> #include "../common/tdx-cfg-block.h" #ifdef CONFIG_TDX_CMD_IMX_MFGR @@ -718,7 +719,18 @@ int checkboard(void) #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) int ft_board_setup(void *blob, bd_t *bd) { - return ft_common_board_setup(blob, bd); + u32 cma_size; + + ft_common_board_setup(blob, bd); + + cma_size = getenv_ulong("cma-size", 10, 320 * 1024 * 1024); + cma_size = min((u32)(gd->ram_size >> 1), cma_size); + + fdt_setprop_u32(blob, + fdt_path_offset (blob, "/reserved-memory/linux,cma"), + "size", + cma_size); + return 0; } #endif |