diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/Kconfig | 21 | ||||
| -rw-r--r-- | drivers/serial/ns16550.c | 2 | ||||
| -rw-r--r-- | drivers/serial/serial_efi.c | 2 | ||||
| -rw-r--r-- | drivers/serial/serial_omap.c | 8 | ||||
| -rw-r--r-- | drivers/serial/serial_s5p.c | 2 |
5 files changed, 31 insertions, 4 deletions
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index ddb725d326..ac5920ad5a 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -109,6 +109,27 @@ config DEBUG_UART_SHIFT value. Use this value to specify the shift to use, where 0=byte registers, 2=32-bit word registers, etc. +config DEBUG_UART_BOARD_INIT + bool "Enable board-specific debug UART init" + depends on DEBUG_UART + help + Some boards need to set things up before the debug UART can be used. + On these boards a call to debug_uart_init() is insufficient. When + this option is enabled, the function board_debug_uart_init() will + be called when debug_uart_init() is called. You can put any code + here that is needed to set up the UART ready for use, such as set + pin multiplexing or enable clocks. + +config DEBUG_UART_ANNOUNCE + bool "Show a message when the debug UART starts up" + depends on DEBUG_UART + help + Enable this option to show a message when the debug UART is ready + for use. You will see a message like "<debug_uart> " as soon as + U-Boot has the UART ready for use (i.e. your code calls + debug_uart_init()). This can be useful just as a check that + everything is working. + config ROCKCHIP_SERIAL bool "Rockchip on-chip UART support" depends on ARCH_ROCKCHIP && DM_SERIAL diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index 6275a11a0c..6433844f18 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -257,7 +257,7 @@ int NS16550_tstc(NS16550_t com_port) (1 << CONFIG_DEBUG_UART_SHIFT), \ CONFIG_DEBUG_UART_SHIFT) -void debug_uart_init(void) +static inline void _debug_uart_init(void) { struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; int baud_divisor; diff --git a/drivers/serial/serial_efi.c b/drivers/serial/serial_efi.c index cf57d8977b..ea25c25a68 100644 --- a/drivers/serial/serial_efi.c +++ b/drivers/serial/serial_efi.c @@ -107,7 +107,7 @@ static int serial_efi_pending(struct udevice *dev, bool input) * There is nothing to init here since the EFI console is already running by * the time we enter U-Boot. */ -void debug_uart_init(void) +static inline void _debug_uart_init(void) { } diff --git a/drivers/serial/serial_omap.c b/drivers/serial/serial_omap.c index e8d544f0da..891cd7b7ed 100644 --- a/drivers/serial/serial_omap.c +++ b/drivers/serial/serial_omap.c @@ -12,10 +12,16 @@ DECLARE_GLOBAL_DATA_PTR; +#define DEFAULT_CLK_SPEED 48000000 /* 48Mhz */ + #if CONFIG_IS_ENABLED(OF_CONTROL) static const struct udevice_id omap_serial_ids[] = { + { .compatible = "ti,omap2-uart" }, { .compatible = "ti,omap3-uart" }, { .compatible = "ti,omap4-uart" }, + { .compatible = "ti,am3352-uart" }, + { .compatible = "ti,am4372-uart" }, + { .compatible = "ti,dra742-uart" }, { } }; @@ -28,7 +34,7 @@ static int omap_serial_ofdata_to_platdata(struct udevice *dev) if (ret) return ret; plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset, - "clock-frequency", -1); + "clock-frequency", DEFAULT_CLK_SPEED); plat->reg_shift = 2; return 0; diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c index 3f0b588254..feba467d80 100644 --- a/drivers/serial/serial_s5p.c +++ b/drivers/serial/serial_s5p.c @@ -207,7 +207,7 @@ U_BOOT_DRIVER(serial_s5p) = { #include <debug_uart.h> -void debug_uart_init(void) +static inline void _debug_uart_init(void) { struct s5p_uart *uart = (struct s5p_uart *)CONFIG_DEBUG_UART_BASE; |