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| author | Zong Li <zong.li@sifive.com> | 2022-04-15 02:24:20 +0000 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2022-04-17 13:57:48 +0530 |
| commit | 5c5cbb53a4fd2f7d2a7038b584f8ee01266cef04 (patch) | |
| tree | 6b5b44ba31b880503dc722bd2a707b0d8b14e1f4 /lib/utils/serial/uart8250.c | |
| parent | 3383d6a4d1461bb029b21fa53417382e34ae4906 (diff) | |
| download | opensbi-5c5cbb53a4fd2f7d2a7038b584f8ee01266cef04.zip opensbi-5c5cbb53a4fd2f7d2a7038b584f8ee01266cef04.tar.gz opensbi-5c5cbb53a4fd2f7d2a7038b584f8ee01266cef04.tar.bz2 | |
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:
<linux>/Documentation/devicetree/bindings/serial/8250.yaml
Signed-off-by: Zong Li <zong.li@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'lib/utils/serial/uart8250.c')
| -rw-r--r-- | lib/utils/serial/uart8250.c | 4 |
1 files changed, 2 insertions, 2 deletions
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; |