hw: aspeed: Introduce common UART init function

Signed-off-by: Peter Delevoryas <pdel@fb.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220516062328.298336-5-pdel@fb.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

hw/arm/aspeed_ast10x0.c

@@ -15,7 +15,6 @@
 #include "sysemu/sysemu.h"
 #include "hw/qdev-clock.h"
 #include "hw/misc/unimp.h"
-#include "hw/char/serial.h"
 #include "hw/arm/aspeed_soc.h"
 
 #define ASPEED_SOC_IOMEM_SIZE 0x00200000
@@ -215,10 +214,8 @@ static void aspeed_soc_ast1030_realize(DeviceState *dev_soc, Error **errp)
                        qdev_get_gpio_in(DEVICE(&s->armv7m),
                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_4));
 
-    /* UART - attach an 8250 to the IO space as our UART */
-    serial_mm_init(get_system_memory(), sc->memmap[s->uart_default], 2,
-                   aspeed_soc_get_irq(s, s->uart_default),
-                   38400, serial_hd(0), DEVICE_LITTLE_ENDIAN);
+    /* UART */
+    aspeed_soc_uart_init(s);
 
     /* Timer */
     object_property_set_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu),

hw/arm/aspeed_ast2600.c

@@ -11,7 +11,6 @@
 #include "qapi/error.h"
 #include "hw/misc/unimp.h"
 #include "hw/arm/aspeed_soc.h"
-#include "hw/char/serial.h"
 #include "qemu/module.h"
 #include "qemu/error-report.h"
 #include "hw/i2c/aspeed_i2c.h"
@@ -372,10 +371,8 @@ static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp)
     sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
                        aspeed_soc_get_irq(s, ASPEED_DEV_ADC));
 
-    /* UART - attach an 8250 to the IO space as our UART */
-    serial_mm_init(get_system_memory(), sc->memmap[s->uart_default], 2,
-                   aspeed_soc_get_irq(s, s->uart_default), 38400,
-                   serial_hd(0), DEVICE_LITTLE_ENDIAN);
+    /* UART */
+    aspeed_soc_uart_init(s);
 
     /* I2C */
     object_property_set_link(OBJECT(&s->i2c), "dram", OBJECT(s->dram_mr),

hw/arm/aspeed_soc.c

@@ -303,10 +303,8 @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp)
     sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
                        aspeed_soc_get_irq(s, ASPEED_DEV_ADC));
 
-    /* UART - attach an 8250 to the IO space as our UART */
-    serial_mm_init(get_system_memory(), sc->memmap[s->uart_default], 2,
-                   aspeed_soc_get_irq(s, s->uart_default), 38400,
-                   serial_hd(0), DEVICE_LITTLE_ENDIAN);
+    /* UART */
+    aspeed_soc_uart_init(s);
 
     /* I2C */
     object_property_set_link(OBJECT(&s->i2c), "dram", OBJECT(s->dram_mr),
@@ -544,3 +542,13 @@ qemu_irq aspeed_soc_get_irq(AspeedSoCState *s, int dev)
 {
     return ASPEED_SOC_GET_CLASS(s)->get_irq(s, dev);
 }
+
+void aspeed_soc_uart_init(AspeedSoCState *s)
+{
+    AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
+
+    /* Attach an 8250 to the IO space as our UART */
+    serial_mm_init(get_system_memory(), sc->memmap[s->uart_default], 2,
+                   aspeed_soc_get_irq(s, s->uart_default), 38400,
+                   serial_hd(0), DEVICE_LITTLE_ENDIAN);
+}

include/hw/arm/aspeed_soc.h

@@ -164,5 +164,6 @@ enum {
 };
 
 qemu_irq aspeed_soc_get_irq(AspeedSoCState *s, int dev);
+void aspeed_soc_uart_init(AspeedSoCState *s);
 
 #endif /* ASPEED_SOC_H */