From 5c5cbb53a4fd2f7d2a7038b584f8ee01266cef04 Mon Sep 17 00:00:00 2001 From: Zong Li Date: Fri, 15 Apr 2022 02:24:20 +0000 Subject: lib: utils/serial: support 'reg-offset' property reg-offset property is used for offset to apply to the mapbase from the start of the registers in 8250 UART. In Linux kernel, it has been handled in 8250 UART driver. dt-bindings: /Documentation/devicetree/bindings/serial/8250.yaml Signed-off-by: Zong Li Reviewed-by: Anup Patel --- lib/utils/serial/uart8250.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'lib/utils/serial/uart8250.c') diff --git a/lib/utils/serial/uart8250.c b/lib/utils/serial/uart8250.c index 141bd45..38ea11a 100644 --- a/lib/utils/serial/uart8250.c +++ b/lib/utils/serial/uart8250.c @@ -91,11 +91,11 @@ static struct sbi_console_device uart8250_console = { }; int uart8250_init(unsigned long base, u32 in_freq, u32 baudrate, u32 reg_shift, - u32 reg_width) + u32 reg_width, u32 reg_offset) { u16 bdiv; - uart8250_base = (volatile char *)base; + uart8250_base = (volatile char *)base + reg_offset; uart8250_reg_shift = reg_shift; uart8250_reg_width = reg_width; uart8250_in_freq = in_freq; -- cgit v1.1