diff options
Diffstat (limited to 'plat/rpi/rpi4/include/rpi_hw.h')
-rw-r--r-- | plat/rpi/rpi4/include/rpi_hw.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/plat/rpi/rpi4/include/rpi_hw.h b/plat/rpi/rpi4/include/rpi_hw.h index e46b0deb09..7185106101 100644 --- a/plat/rpi/rpi4/include/rpi_hw.h +++ b/plat/rpi/rpi4/include/rpi_hw.h @@ -77,10 +77,15 @@ #define RPI3_RNG_INT_MASK_DISABLE U(0x1) /* - * Serial port (called 'Mini UART' in the Broadcom documentation). + * Serial ports: + * 'Mini UART' in the BCM docucmentation is the 8250 compatible UART. + * There is also a PL011 UART, multiplexed to the same pins. */ #define RPI4_IO_MINI_UART_OFFSET ULL(0x00215040) #define RPI4_MINI_UART_BASE (RPI_IO_BASE + RPI4_IO_MINI_UART_OFFSET) +#define RPI4_IO_PL011_UART_OFFSET ULL(0x00201000) +#define RPI4_PL011_UART_BASE (RPI_IO_BASE + RPI4_IO_PL011_UART_OFFSET) +#define RPI4_PL011_UART_CLOCK ULL(48000000) /* * GPIO controller |