From: Randolph Sapp <[email protected]>

Add a board_get_usable_ram_top definition, since currently ram_top is
equal to ram_size. Attempting to actually map ram_size with map_sysmem
results in a fault.

Signed-off-by: Randolph Sapp <[email protected]>
---
 board/sandbox/sandbox.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/board/sandbox/sandbox.c b/board/sandbox/sandbox.c
index 13006a0ffc2..88c7636d3ca 100644
--- a/board/sandbox/sandbox.c
+++ b/board/sandbox/sandbox.c
@@ -105,6 +105,11 @@ int dram_init(void)
        return 0;
 }
 
+phys_addr_t board_get_usable_ram_top(phys_size_t total_size)
+{
+       return gd->ram_size - 1;
+}
+
 int ft_board_setup(void *fdt, struct bd_info *bd)
 {
        /* Create an arbitrary reservation to allow testing OF_BOARD_SETUP.*/
-- 
2.54.0

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