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| author | Simon Glass <sjg@chromium.org> | 2018-10-01 11:55:15 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2018-10-09 04:40:27 -0600 |
| commit | ee4417644c7ba40d6365fc8e18ce0e8570544314 (patch) | |
| tree | ef0c6957ea07efa37719e6ab677001d5acbfda0d | |
| parent | 55d39911c0579b91a27f0acf3d0c1e123bb29ac1 (diff) | |
| download | u-boot-ee4417644c7ba40d6365fc8e18ce0e8570544314.tar.gz | |
sandbox: Add a debug UART
Add support for the debug UART so that sandbox provides build testing for
this feature.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | configs/sandbox_defconfig | 2 | ||||
| -rw-r--r-- | drivers/serial/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/serial/sandbox.c | 17 |
3 files changed, 30 insertions, 0 deletions
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig index 1c4a3330b4..2ce336fc81 100644 --- a/configs/sandbox_defconfig +++ b/configs/sandbox_defconfig @@ -1,5 +1,6 @@ CONFIG_SYS_TEXT_BASE=0 CONFIG_SYS_MALLOC_F_LEN=0x2000 +CONFIG_DEBUG_UART=y CONFIG_DISTRO_DEFAULTS=y CONFIG_NR_DRAM_BANKS=1 CONFIG_ANDROID_BOOT_IMAGE=y @@ -173,6 +174,7 @@ CONFIG_REMOTEPROC_SANDBOX=y CONFIG_DM_RESET=y CONFIG_SANDBOX_RESET=y CONFIG_DM_RTC=y +CONFIG_DEBUG_UART_SANDBOX=y CONFIG_SANDBOX_SERIAL=y CONFIG_SMEM=y CONFIG_SANDBOX_SMEM=y diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 5fa27254e3..83f8c94d02 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -324,6 +324,15 @@ config DEBUG_UART_MXC will need to provide parameters to make this work. The driver will be available until the real driver model serial is running. +config DEBUG_UART_SANDBOX + bool "sandbox" + depends on SANDBOX_SERIAL + help + Select this to enable the debug UART using the sandbox driver. This + provides basic serial output from the console without needing to + start up driver model. The driver will be available until the real + driver model serial is running. + config DEBUG_UART_STM32 bool "STMicroelectronics STM32" depends on STM32_SERIAL @@ -354,6 +363,7 @@ endchoice config DEBUG_UART_BASE hex "Base address of UART" depends on DEBUG_UART + default 0 if DEBUG_UART_SANDBOX help This is the base address of your UART for memory-mapped UARTs. @@ -363,6 +373,7 @@ config DEBUG_UART_BASE config DEBUG_UART_CLOCK int "UART input clock" depends on DEBUG_UART + default 0 if DEBUG_UART_SANDBOX help The UART input clock determines the speed of the internal UART circuitry. The baud rate is derived from this by dividing the input diff --git a/drivers/serial/sandbox.c b/drivers/serial/sandbox.c index 94b4fdfb17..4fbc5956b7 100644 --- a/drivers/serial/sandbox.c +++ b/drivers/serial/sandbox.c @@ -143,6 +143,23 @@ static int sandbox_serial_getc(struct udevice *dev) return result; } +#ifdef CONFIG_DEBUG_UART_SANDBOX + +#include <debug_uart.h> + +static inline void _debug_uart_init(void) +{ +} + +static inline void _debug_uart_putc(int ch) +{ + os_putc(ch); +} + +DEBUG_UART_FUNCS + +#endif /* CONFIG_DEBUG_UART_SANDBOX */ + static int sandbox_serial_setconfig(struct udevice *dev, uint serial_config) { u8 parity = SERIAL_GET_PARITY(serial_config); |