this doc explain how to support high baudrate, such as 3M, 4M in S32G Mcore, even MCAL currently just support 1.8M. and to change uart clock source to avoid the wrongbaudrate value. and after that, still need modify the linux clock tree.
目录
4.1 以PERIPH_PLL_PHI3_CLK 100Mhz为LIN_CLK时钟源 9
4.2 以FIRC_CLK 48Mhz为LIN_CLK时钟源... 14