Subtracts CONFIG_OPTEE_TZDRAM_SIZE from the available DRAM size.
On WaRP7 we simply define the OPTEE region as from the maximum DRAM address
minus CONFIG_OPTEE_TZDRAM_SIZE bytes.
Note the OPTEE boot process will itself subtract the DRAM region it lives
in from the memory map passed to Linux.
Signed-off-by: Bryan O'Donoghue <bryan.odonog...@linaro.org>
---
board/warp7/warp7.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/board/warp7/warp7.c b/board/warp7/warp7.c
index 0d3d324..56f0cdd 100644
--- a/board/warp7/warp7.c
+++ b/board/warp7/warp7.c
@@ -58,6 +58,11 @@ int dram_init(void)
{
gd->ram_size = PHYS_SDRAM_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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