Subtracts CONFIG_OPTEE_TZDRAM_SIZE from the available DRAM size so that the OPTEE memory is not override during u-boot relocation.
Note the OPTEE boot process will itself subtract the DRAM region it lives in from the memory map passed to Linux.
Signed-off-by: Jun Nie jun.nie@linaro.org --- board/technexion/pico-imx7d/pico-imx7d.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/board/technexion/pico-imx7d/pico-imx7d.c b/board/technexion/pico-imx7d/pico-imx7d.c index 53e1469..7c9e145 100644 --- a/board/technexion/pico-imx7d/pico-imx7d.c +++ b/board/technexion/pico-imx7d/pico-imx7d.c @@ -60,6 +60,11 @@ int dram_init(void) { gd->ram_size = imx_ddr_size();
+ /* Subtract the defined OPTEE runtime firmware length */ +#ifdef CONFIG_OPTEE_TZDRAM_SIZE + gd->ram_size -= CONFIG_OPTEE_TZDRAM_SIZE; +#endif + return 0; }