ppc: qemu: Switch over to use DM serial
The QEMU ppce500 target integrates 2 NS16550 serial ports. Switch
over to use the DM version of the driver by:
- drop unnecessary ad-hoc config macros
- add get_serial_clock() in the board codes
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/board/freescale/qemu-ppce500/qemu-ppce500.c b/board/freescale/qemu-ppce500/qemu-ppce500.c
index 50167d5..db13582 100644
--- a/board/freescale/qemu-ppce500/qemu-ppce500.c
+++ b/board/freescale/qemu-ppce500/qemu-ppce500.c
@@ -374,3 +374,9 @@
{
return get_fdt_virt();
}
+
+/* See CONFIG_SYS_NS16550_CLK in arch/powerpc/include/asm/config.h */
+int get_serial_clock(void)
+{
+ return get_bus_freq(0);
+}
diff --git a/configs/qemu-ppce500_defconfig b/configs/qemu-ppce500_defconfig
index f2a8b83..c528a68 100644
--- a/configs/qemu-ppce500_defconfig
+++ b/configs/qemu-ppce500_defconfig
@@ -30,6 +30,7 @@
CONFIG_DM=y
# CONFIG_MMC is not set
CONFIG_E1000=y
+CONFIG_DM_SERIAL=y
CONFIG_SYS_NS16550=y
CONFIG_ADDR_MAP=y
CONFIG_PANIC_HANG=y
diff --git a/include/configs/qemu-ppce500.h b/include/configs/qemu-ppce500.h
index f13e4ea..feac6ef 100644
--- a/include/configs/qemu-ppce500.h
+++ b/include/configs/qemu-ppce500.h
@@ -73,16 +73,6 @@
#define CONFIG_SYS_MONITOR_LEN (512 * 1024)
#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
-#define CONFIG_SYS_NS16550_SERIAL
-#define CONFIG_SYS_NS16550_REG_SIZE 1
-#define CONFIG_SYS_NS16550_CLK (get_bus_freq(0))
-
-#define CONFIG_SYS_BAUDRATE_TABLE \
- {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}
-
-#define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_CCSRBAR+0x4500)
-#define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_CCSRBAR+0x4600)
-
/*
* General PCI
* Memory space is mapped 1-1, but I/O space must start from 0.