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18d2ae253c
Wire the shared common UART driver (arch/arm/src/common/ameba/ameba_uart.c) into RTL8720F. Add an ameba_uart_chip.h supplying the per-chip UART parameters: two general-purpose controllers (UART0/UART1), their non-secure register bases (0x401C3000 / 0x401C4000 -- the fwlib UART_DEV_TABLE points at the non-secure alias), NVIC vectors, APBPeriph function/clock masks and the crossbar TX/RX pad-mux function codes. The fwlib ROM UART routines index data tables (UART_DEV_TABLE, APBPeriph_UARTx) that live in fwlib ram_common/ameba_uart.c, so that source is compiled in when CONFIG_AMEBA_UART is set. Wire CONFIG_AMEBA_UART into Make.defs/CMakeLists/ameba_board.mk, add the board port table (UART0 at /dev/ttyS1, PA22 TX / PA23 RX, 115200 8N1) with bringup registration, a uart config and board documentation. Hardware-verified on rtl8720f_evb: serialrx/serialblaster over a PA22-to-PA23 TX/RX loopback transferred all 2600 bytes intact. Assisted-by: Claude <noreply@anthropic.com> Signed-off-by: dechao_gong <dechao_gong@realsil.com.cn> |
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