diff options
| -rw-r--r-- | arch/arm/cpu/armv7/uniphier/Kconfig | 9 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/uniphier/Makefile | 2 | ||||
| -rw-r--r-- | drivers/serial/serial_uniphier.c | 17 |
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) = { |