This comes from the device tree or a call to get_uart_clock().

Signed-off-by: Simon Glass <s...@chromium.org>
---

Changes in v2: None

 arch/powerpc/include/asm/ppc460ex_gt.h | 2 ++
 include/configs/amcc-common.h          | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/powerpc/include/asm/ppc460ex_gt.h 
b/arch/powerpc/include/asm/ppc460ex_gt.h
index f41df0d..ea019aa 100644
--- a/arch/powerpc/include/asm/ppc460ex_gt.h
+++ b/arch/powerpc/include/asm/ppc460ex_gt.h
@@ -19,10 +19,12 @@
 /* Memory mapped registers */
 #define CONFIG_SYS_PERIPHERAL_BASE     0xef600000 /* Internal Peripherals */
 
+#ifndef CONFIG_DM_SERIAL
 #define CONFIG_SYS_NS16550_COM1        (CONFIG_SYS_PERIPHERAL_BASE + 0x0300)
 #define CONFIG_SYS_NS16550_COM2        (CONFIG_SYS_PERIPHERAL_BASE + 0x0400)
 #define CONFIG_SYS_NS16550_COM3        (CONFIG_SYS_PERIPHERAL_BASE + 0x0500)
 #define CONFIG_SYS_NS16550_COM4        (CONFIG_SYS_PERIPHERAL_BASE + 0x0600)
+#endif
 
 #define GPIO0_BASE             (CONFIG_SYS_PERIPHERAL_BASE + 0x0b00)
 #define GPIO1_BASE             (CONFIG_SYS_PERIPHERAL_BASE + 0x0c00)
diff --git a/include/configs/amcc-common.h b/include/configs/amcc-common.h
index 2aea899..73e1b0a 100644
--- a/include/configs/amcc-common.h
+++ b/include/configs/amcc-common.h
@@ -20,8 +20,10 @@
  */
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
+#ifndef CONFIG_DM_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE    1
 #define CONFIG_SYS_NS16550_CLK         get_serial_clock()
+#endif
 #define CONFIG_BAUDRATE                115200
 #define CONFIG_SYS_BAUDRATE_TABLE  \
     {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
-- 
2.2.0.rc0.207.ga3a616c

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