xref: /OK3568_Linux_fs/u-boot/arch/arm/include/asm/arch-tegra/uart.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  *  (C) Copyright 2010,2011
3*4882a593Smuzhiyun  *  NVIDIA Corporation <www.nvidia.com>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef _UART_H_
9*4882a593Smuzhiyun #define _UART_H_
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun /* UART registers */
12*4882a593Smuzhiyun struct uart_ctlr {
13*4882a593Smuzhiyun 	uint uart_thr_dlab_0;		/* UART_THR_DLAB_0_0, offset 00 */
14*4882a593Smuzhiyun 	uint uart_ier_dlab_0;		/* UART_IER_DLAB_0_0, offset 04 */
15*4882a593Smuzhiyun 	uint uart_iir_fcr;		/* UART_IIR_FCR_0, offset 08 */
16*4882a593Smuzhiyun 	uint uart_lcr;			/* UART_LCR_0, offset 0C */
17*4882a593Smuzhiyun 	uint uart_mcr;			/* UART_MCR_0, offset 10 */
18*4882a593Smuzhiyun 	uint uart_lsr;			/* UART_LSR_0, offset 14 */
19*4882a593Smuzhiyun 	uint uart_msr;			/* UART_MSR_0, offset 18 */
20*4882a593Smuzhiyun 	uint uart_spr;			/* UART_SPR_0, offset 1C */
21*4882a593Smuzhiyun 	uint uart_irda_csr;		/* UART_IRDA_CSR_0, offset 20 */
22*4882a593Smuzhiyun 	uint uart_reserved[6];		/* Reserved, unused, offset 24-38*/
23*4882a593Smuzhiyun 	uint uart_asr;			/* UART_ASR_0, offset 3C */
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #define NVRM_PLLP_FIXED_FREQ_KHZ	216000
27*4882a593Smuzhiyun #define NV_DEFAULT_DEBUG_BAUD		115200
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun #define UART_FCR_TRIGGER_3	0x30	/* Mask for trigger set at 3 */
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #endif	/* UART_H */
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