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....@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;
}
--
2.7.4
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