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| author | Sergey Temerkhanov <s.temerkhanov@gmail.com> | 2015-10-14 09:54:23 -0700 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-01-19 22:25:22 +0000 |
| commit | b81406db51a68ddd482d4ea3641dd7ad2e910771 (patch) | |
| tree | 69b639779af35794d8051db0456b35d4a549b944 /drivers/serial | |
| parent | e6ac28b60be2d670948332197862e314b7977177 (diff) | |
| download | talos-obmc-uboot-b81406db51a68ddd482d4ea3641dd7ad2e910771.tar.gz talos-obmc-uboot-b81406db51a68ddd482d4ea3641dd7ad2e910771.zip | |
arm: serial: Add debug UART capability to the pl01x driver
This patch adds an ability to use pl01x as a debug UART. It must
be configured like other types of debug UARTs
Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com>
Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com>
[trini: Update for _debug_uart_init change]
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_pl01x.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/serial/serial_pl01x.c b/drivers/serial/serial_pl01x.c index 3a5c1d0eaa..552c945264 100644 --- a/drivers/serial/serial_pl01x.c +++ b/drivers/serial/serial_pl01x.c @@ -367,3 +367,31 @@ U_BOOT_DRIVER(serial_pl01x) = { }; #endif + +#if defined(CONFIG_DEBUG_UART_PL010) || defined(CONFIG_DEBUG_UART_PL011) + +#include <debug_uart.h> + +static void _debug_uart_init(void) +{ +#ifndef CONFIG_DEBUG_UART_SKIP_INIT + struct pl01x_regs *regs = (struct pl01x_regs *)CONFIG_DEBUG_UART_BASE; + enum pl01x_type type = CONFIG_IS_ENABLED(DEBUG_UART_PL011) ? + TYPE_PL011 : TYPE_PL010; + + pl01x_generic_serial_init(regs, type); + pl01x_generic_setbrg(regs, type, + CONFIG_DEBUG_UART_CLOCK, CONFIG_BAUDRATE); +#endif +} + +static inline void _debug_uart_putc(int ch) +{ + struct pl01x_regs *regs = (struct pl01x_regs *)CONFIG_DEBUG_UART_BASE; + + pl01x_putc(regs, ch); +} + +DEBUG_UART_FUNCS + +#endif |
