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authorLokesh Vutla <lokeshvutla@ti.com>2017-04-22 15:57:25 +0530
committerTom Rini <trini@konsulko.com>2017-05-11 22:21:27 -0400
commita52cf086ace7e6107f399fcf37059dc9e02916f3 (patch)
tree8fea58cb625155fb4f221847f5d7429939424db2 /include
parent46f51dc9c73cbfe5ca69a1b662e594b486bd8616 (diff)
serial: omap: Support debug UART
Add debug UART functions to permit omap specific ns16550 to provide an early debug UART. This is mostly in common with DEBUG_UART_NS16550 except for Mode definition register which is required for selecting UART mode(16x auto-baud or 13x mode). Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'include')
-rw-r--r--include/debug_uart.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/debug_uart.h b/include/debug_uart.h
index 2980ae6200..6f0b0c5e15 100644
--- a/include/debug_uart.h
+++ b/include/debug_uart.h
@@ -111,6 +111,17 @@ void printhex8(uint value);
#define _DEBUG_UART_ANNOUNCE
#endif
+#define serial_dout(reg, value) \
+ serial_out_shift((char *)com_port + \
+ ((char *)reg - (char *)com_port) * \
+ (1 << CONFIG_DEBUG_UART_SHIFT), \
+ CONFIG_DEBUG_UART_SHIFT, value)
+#define serial_din(reg) \
+ serial_in_shift((char *)com_port + \
+ ((char *)reg - (char *)com_port) * \
+ (1 << CONFIG_DEBUG_UART_SHIFT), \
+ CONFIG_DEBUG_UART_SHIFT)
+
/*
* Now define some functions - this should be inserted into the serial driver
*/