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path: root/lib/utils/serial/fdt_serial_sifive.c
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2024-11-28lib: utils/serial: Use fdt_driver for initializationSamuel Holland
The serial driver subsystem does not need any extra data, so it can use `struct fdt_driver` directly. The generic fdt_serial_init() first attempts to match the chosen stdout device, and upon failure matches the first available serial device in the DT. It is a fatal error if no such device is found. This matches the behavior of fdt_driver_init_one(). Signed-off-by: Samuel Holland <[email protected]> Reviewed-by: Anup Patel <[email protected]>
2024-08-24lib: utils/serial: Constify FDT pointers in parsing functionsSamuel Holland
Indicate that none of these functions modify the devicetree by constifying the parameter type. Signed-off-by: Samuel Holland <[email protected]> Reviewed-by: Andrew Jones <[email protected]> Reviewed-by: Anup Patel <[email protected]>
2022-07-30lib: utils/serial: Initialize platform_uart_data to zeroAndrew Jones
While it doesn't look like there are any current cases of using uninitialized data, let's zero all the UART data members to be safe. Zero may not actually be better than a random number in some cases, so all structure members should still be validated before use, but at least zero is usually easier to debug than some random stack garbage... Signed-off-by: Andrew Jones <[email protected]> Reviewed-by: Anup Patel <[email protected]>
2021-04-28lib: sbi: Simplify console platform operationsAnup Patel
Instead of having console_putc() and console_getc() callbacks in platform operations, it will be much simpler for console driver to directly register these operations as device to the sbi_console implementation. Signed-off-by: Anup Patel <[email protected]> Reviewed-by: Alistair Francis <[email protected]> Reviewed-by: Xiang W <[email protected]>
2020-05-01lib: utils: Add simple FDT serial frameworkAnup Patel
We add simple serial framework which will select and use serial driver based on details in FDT passed by previous booting stage. Signed-off-by: Anup Patel <[email protected]> Reviewed-by: Atish Patra <[email protected]>