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serial: 16550: Add Ingenic JZ4780 support

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Add compatibility string for the Ingenic JZ4780 SoC, the necessary
UART enable bit into FCR and register shift. Neither are encoded
in the DTS coming from Linux, so we need to support it this way.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Marek Vasut
2016-12-01 02:06:31 +01:00
committed by Tom Rini
parent 79fd928188
commit 0b060eefd9
2 changed files with 8 additions and 0 deletions
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3
include/ns16550.h
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@@ -118,6 +118,9 @@ typedef struct NS16550 *NS16550_t;
#define UART_FCR_RXSR 0x02 /* Receiver soft reset */
#define UART_FCR_TXSR 0x04 /* Transmitter soft reset */
/* Ingenic JZ47xx specific UART-enable bit. */
#define UART_FCR_UME 0x10
/*
* These are the definitions for the Modem Control Register
*/