/* * xen/arch/arm/include/asm/imx-lpuart.h * * Common constant definition between early printk and the LPUART driver * * Peng Fan * Copyright 2022 NXP * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef __ASM_ARM_IMX_LPUART_H__ #define __ASM_ARM_IMX_LPUART_H__ /* 32-bit register definition */ #define UARTBAUD (0x10) #define UARTSTAT (0x14) #define UARTCTRL (0x18) #define UARTDATA (0x1C) #define UARTMATCH (0x20) #define UARTMODIR (0x24) #define UARTFIFO (0x28) #define UARTWATER (0x2c) #define UARTSTAT_TDRE BIT(23, UL) #define UARTSTAT_TC BIT(22, UL) #define UARTSTAT_RDRF BIT(21, UL) #define UARTSTAT_OR BIT(19, UL) #define UARTBAUD_OSR_SHIFT (24) #define UARTBAUD_OSR_MASK (0x1f) #define UARTBAUD_SBR_MASK (0x1fff) #define UARTBAUD_BOTHEDGE (0x00020000) #define UARTBAUD_TDMAE (0x00800000) #define UARTBAUD_RDMAE (0x00200000) #define UARTCTRL_TIE BIT(23, UL) #define UARTCTRL_TCIE BIT(22, UL) #define UARTCTRL_RIE BIT(21, UL) #define UARTCTRL_ILIE BIT(20, UL) #define UARTCTRL_TE BIT(19, UL) #define UARTCTRL_RE BIT(18, UL) #define UARTCTRL_M BIT(4, UL) #define UARTWATER_RXCNT_OFF 24 #endif /* __ASM_ARM_IMX_LPUART_H__ */ /* * Local variables: * mode: C * c-file-style: "BSD" * c-basic-offset: 4 * indent-tabs-mode: nil * End: */