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-rw-r--r--arch/arm/cpu/armv7/uniphier/Kconfig9
-rw-r--r--arch/arm/cpu/armv7/uniphier/Makefile2
-rw-r--r--drivers/serial/serial_uniphier.c17
3 files changed, 24 insertions, 4 deletions
diff --git a/arch/arm/cpu/armv7/uniphier/Kconfig b/arch/arm/cpu/armv7/uniphier/Kconfig
index 524b193..f013dc3 100644
--- a/arch/arm/cpu/armv7/uniphier/Kconfig
+++ b/arch/arm/cpu/armv7/uniphier/Kconfig
@@ -23,4 +23,13 @@ config MACH_PH1_SLD8
endchoice
+config CMD_PINMON
+ bool "Enable boot mode pins monitor command"
+ depends on !SPL_BUILD
+ default y
+ help
+ The command "pinmon" shows the state of the boot mode pins.
+ The boot mode pins are latched when the system reset is deasserted
+ and determine which device the system should load a boot image from.
+
endmenu
diff --git a/arch/arm/cpu/armv7/uniphier/Makefile b/arch/arm/cpu/armv7/uniphier/Makefile
index 7ceddda..dd57469 100644
--- a/arch/arm/cpu/armv7/uniphier/Makefile
+++ b/arch/arm/cpu/armv7/uniphier/Makefile
@@ -12,7 +12,7 @@ obj-y += dram_init.o
obj-$(CONFIG_DISPLAY_CPUINFO) += cpu_info.o
obj-$(CONFIG_BOARD_LATE_INIT) += board_late_init.o
obj-$(CONFIG_UNIPHIER_SMP) += smp.o
-obj-$(if $(CONFIG_SPL_BUILD),,y) += cmd_pinmon.o
+obj-$(CONFIG_CMD_PINMON) += cmd_pinmon.o
obj-y += board_common.o
obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += support_card.o
diff --git a/drivers/serial/serial_uniphier.c b/drivers/serial/serial_uniphier.c
index 9114b3e..3f3d415 100644
--- a/drivers/serial/serial_uniphier.c
+++ b/drivers/serial/serial_uniphier.c
@@ -55,7 +55,7 @@ struct uniphier_serial_private_data {
#define uniphier_serial_port(dev) \
((struct uniphier_serial_private_data *)dev_get_priv(dev))->membase
-int uniphier_serial_setbrg(struct udevice *dev, int baudrate)
+static int uniphier_serial_setbrg(struct udevice *dev, int baudrate)
{
struct uniphier_serial_platform_data *plat = dev_get_platdata(dev);
struct uniphier_serial __iomem *port = uniphier_serial_port(dev);
@@ -93,7 +93,17 @@ static int uniphier_serial_putc(struct udevice *dev, const char c)
return 0;
}
-int uniphier_serial_probe(struct udevice *dev)
+static int uniphier_serial_pending(struct udevice *dev, bool input)
+{
+ struct uniphier_serial __iomem *port = uniphier_serial_port(dev);
+
+ if (input)
+ return readb(&port->lsr) & UART_LSR_DR;
+ else
+ return !(readb(&port->lsr) & UART_LSR_THRE);
+}
+
+static int uniphier_serial_probe(struct udevice *dev)
{
struct uniphier_serial_private_data *priv = dev_get_priv(dev);
struct uniphier_serial_platform_data *plat = dev_get_platdata(dev);
@@ -106,7 +116,7 @@ int uniphier_serial_probe(struct udevice *dev)
return 0;
}
-int uniphier_serial_remove(struct udevice *dev)
+static int uniphier_serial_remove(struct udevice *dev)
{
unmap_sysmem(uniphier_serial_port(dev));
@@ -134,6 +144,7 @@ static const struct dm_serial_ops uniphier_serial_ops = {
.setbrg = uniphier_serial_setbrg,
.getc = uniphier_serial_getc,
.putc = uniphier_serial_putc,
+ .pending = uniphier_serial_pending,
};
U_BOOT_DRIVER(uniphier_serial) = {