Moving it into aspeed.h allows all Aspeed machine source files
(AST2400, AST2500, AST2600, AST2700, etc.) to reuse the same macro
definition for consistent behavior and maintainability.

No functional changes.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
---
 include/hw/arm/aspeed.h | 7 +++++++
 hw/arm/aspeed.c         | 7 -------
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/hw/arm/aspeed.h b/include/hw/arm/aspeed.h
index fbe684d505..414c181c3a 100644
--- a/include/hw/arm/aspeed.h
+++ b/include/hw/arm/aspeed.h
@@ -25,6 +25,13 @@ DECLARE_OBJ_CHECKERS(AspeedMachineState, AspeedMachineClass,
 #define ASPEED_MAC2_ON   (1 << 2)
 #define ASPEED_MAC3_ON   (1 << 3)
 
+/* On 32-bit hosts, lower RAM to 1G because of the 2047 MB limit */
+#if HOST_LONG_BITS == 32
+#define ASPEED_RAM_SIZE(sz) MIN((sz), 1 * GiB)
+#else
+#define ASPEED_RAM_SIZE(sz) (sz)
+#endif
+
 struct AspeedMachineState {
     /* Private */
     MachineState parent_obj;
diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
index f58245456a..690ad0be87 100644
--- a/hw/arm/aspeed.c
+++ b/hw/arm/aspeed.c
@@ -35,13 +35,6 @@ static struct arm_boot_info aspeed_board_binfo = {
     .board_id = -1, /* device-tree-only board */
 };
 
-/* On 32-bit hosts, lower RAM to 1G because of the 2047 MB limit */
-#if HOST_LONG_BITS == 32
-#define ASPEED_RAM_SIZE(sz) MIN((sz), 1 * GiB)
-#else
-#define ASPEED_RAM_SIZE(sz) (sz)
-#endif
-
 /* AST2600 evb hardware value */
 #define AST2600_EVB_HW_STRAP1 0x000000C0
 #define AST2600_EVB_HW_STRAP2 0x00000003
-- 
2.43.0