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https://github.com/AsahiLinux/u-boot
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661edaafd4
The driver makes it possible to use an application UART as the U-Boot output console for Freescale i.MX23/i.MX28 devices. Signed-off-by: Andreas Wass <andreas.wass@dalelven.com> Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Marek Vasut <marex@denx.de> Acked-by: Marek Vasut <marex@denx.de>
220 lines
8.3 KiB
C
220 lines
8.3 KiB
C
/*
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* Freescale MXS UARTAPP Register Definitions
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*
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* Copyright (C) 2013 Andreas Wass <andreas.wass@dalelven.com>
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*
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* Based on code from LTIB:
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* Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __ARCH_ARM___MXS_UARTAPP_H
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#define __ARCH_ARM___MXS_UARTAPP_H
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#include <asm/imx-common/regs-common.h>
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#ifndef __ASSEMBLY__
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struct mxs_uartapp_regs {
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mxs_reg_32(hw_uartapp_ctrl0)
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mxs_reg_32(hw_uartapp_ctrl1)
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mxs_reg_32(hw_uartapp_ctrl2)
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mxs_reg_32(hw_uartapp_linectrl)
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mxs_reg_32(hw_uartapp_linectrl2)
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mxs_reg_32(hw_uartapp_intr)
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mxs_reg_32(hw_uartapp_data)
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mxs_reg_32(hw_uartapp_stat)
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mxs_reg_32(hw_uartapp_debug)
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mxs_reg_32(hw_uartapp_version)
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mxs_reg_32(hw_uartapp_autobaud)
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};
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#endif
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#define UARTAPP_CTRL0_SFTRST_MASK (1 << 31)
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#define UARTAPP_CTRL0_CLKGATE_MASK (1 << 30)
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#define UARTAPP_CTRL0_RUN_MASK (1 << 29)
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#define UARTAPP_CTRL0_RX_SOURCE_MASK (1 << 28)
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#define UARTAPP_CTRL0_RXTO_ENABLE_MASK (1 << 27)
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#define UARTAPP_CTRL0_RXTIMEOUT_OFFSET 16
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#define UARTAPP_CTRL0_RXTIMEOUT_MASK (0x7FF << 16)
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#define UARTAPP_CTRL0_XFER_COUNT_OFFSET 0
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#define UARTAPP_CTRL0_XFER_COUNT_MASK 0xFFFF
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#define UARTAPP_CTRL1_RUN_MASK (1 << 28)
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#define UARTAPP_CTRL1_XFER_COUNT_OFFSET 0
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#define UARTAPP_CTRL1_XFER_COUNT_MASK 0xFFFF
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#define UARTAPP_CTRL2_INVERT_RTS_MASK (1 << 31)
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#define UARTAPP_CTRL2_INVERT_CTS_MASK (1 << 30)
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#define UARTAPP_CTRL2_INVERT_TX_MASK (1 << 29)
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#define UARTAPP_CTRL2_INVERT_RX_MASK (1 << 28)
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#define UARTAPP_CTRL2_RTS_SEMAPHORE_MASK (1 << 27)
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#define UARTAPP_CTRL2_DMAONERR_MASK (1 << 26)
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#define UARTAPP_CTRL2_TXDMAE_MASK (1 << 25)
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#define UARTAPP_CTRL2_RXDMAE_MASK (1 << 24)
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#define UARTAPP_CTRL2_RXIFLSEL_OFFSET 20
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#define UARTAPP_CTRL2_RXIFLSEL_MASK (0x7 << 20)
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#define UARTAPP_CTRL2_RXIFLSEL_NOT_EMPTY (0x0 << 20)
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#define UARTAPP_CTRL2_RXIFLSEL_ONE_QUARTER (0x1 << 20)
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#define UARTAPP_CTRL2_RXIFLSEL_ONE_HALF (0x2 << 20)
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#define UARTAPP_CTRL2_RXIFLSEL_THREE_QUARTERS (0x3 << 20)
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#define UARTAPP_CTRL2_RXIFLSEL_SEVEN_EIGHTHS (0x4 << 20)
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#define UARTAPP_CTRL2_RXIFLSEL_INVALID5 (0x5 << 20)
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#define UARTAPP_CTRL2_RXIFLSEL_INVALID6 (0x6 << 20)
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#define UARTAPP_CTRL2_RXIFLSEL_INVALID7 (0x7 << 20)
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#define UARTAPP_CTRL2_TXIFLSEL_OFFSET 16
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#define UARTAPP_CTRL2_TXIFLSEL_MASK (0x7 << 16)
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#define UARTAPP_CTRL2_TXIFLSEL_EMPTY (0x0 << 16)
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#define UARTAPP_CTRL2_TXIFLSEL_ONE_QUARTER (0x1 << 16)
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#define UARTAPP_CTRL2_TXIFLSEL_ONE_HALF (0x2 << 16)
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#define UARTAPP_CTRL2_TXIFLSEL_THREE_QUARTERS (0x3 << 16)
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#define UARTAPP_CTRL2_TXIFLSEL_SEVEN_EIGHTHS (0x4 << 16)
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#define UARTAPP_CTRL2_TXIFLSEL_INVALID5 (0x5 << 16)
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#define UARTAPP_CTRL2_TXIFLSEL_INVALID6 (0x6 << 16)
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#define UARTAPP_CTRL2_TXIFLSEL_INVALID7 (0x7 << 16)
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#define UARTAPP_CTRL2_CTSEN_MASK (1 << 15)
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#define UARTAPP_CTRL2_RTSEN_MASK (1 << 14)
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#define UARTAPP_CTRL2_OUT2_MASK (1 << 13)
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#define UARTAPP_CTRL2_OUT1_MASK (1 << 12)
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#define UARTAPP_CTRL2_RTS_MASK (1 << 11)
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#define UARTAPP_CTRL2_DTR_MASK (1 << 10)
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#define UARTAPP_CTRL2_RXE_MASK (1 << 9)
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#define UARTAPP_CTRL2_TXE_MASK (1 << 8)
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#define UARTAPP_CTRL2_LBE_MASK (1 << 7)
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#define UARTAPP_CTRL2_USE_LCR2_MASK (1 << 6)
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#define UARTAPP_CTRL2_SIRLP_MASK (1 << 2)
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#define UARTAPP_CTRL2_SIREN_MASK (1 << 1)
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#define UARTAPP_CTRL2_UARTEN_MASK 0x01
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#define UARTAPP_LINECTRL_BAUD_DIVINT_OFFSET 16
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#define UARTAPP_LINECTRL_BAUD_DIVINT_MASK (0xFFFF << 16)
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#define UARTAPP_LINECTRL_EXTRACT_BAUD_DIVINT_OFFSET 6
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#define UARTAPP_LINECTRL_BAUD_DIVFRAC_OFFSET 8
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#define UARTAPP_LINECTRL_BAUD_DIVFRAC_MASK (0x3F << 8)
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#define UARTAPP_LINECTRL_EXTRACT_BAUD_DIVFRAC_MASK 0x3F
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#define UARTAPP_LINECTRL_SPS_MASK (1 << 7)
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#define UARTAPP_LINECTRL_WLEN_OFFSET 5
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#define UARTAPP_LINECTRL_WLEN_MASK (0x03 << 5)
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#define UARTAPP_LINECTRL_WLEN_5BITS (0x00 << 5)
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#define UARTAPP_LINECTRL_WLEN_6BITS (0x01 << 5)
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#define UARTAPP_LINECTRL_WLEN_7BITS (0x02 << 5)
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#define UARTAPP_LINECTRL_WLEN_8BITS (0x03 << 5)
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#define UARTAPP_LINECTRL_FEN_MASK (1 << 4)
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#define UARTAPP_LINECTRL_STP2_MASK (1 << 3)
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#define UARTAPP_LINECTRL_EPS_MASK (1 << 2)
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#define UARTAPP_LINECTRL_PEN_MASK (1 << 1)
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#define UARTAPP_LINECTRL_BRK_MASK 1
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#define UARTAPP_LINECTRL2_BAUD_DIVINT_OFFSET 16
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#define UARTAPP_LINECTRL2_BAUD_DIVINT_MASK (0xFFFF << 16)
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#define UARTAPP_LINECTRL2_EXTRACT_BAUD_DIVINT_OFFSET 6
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#define UARTAPP_LINECTRL2_BAUD_DIVFRAC_OFFSET 8
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#define UARTAPP_LINECTRL2_BAUD_DIVFRAC_MASK (0x3F << 8)
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#define UARTAPP_LINECTRL2_EXTRACT_BAUD_DIVFRAC_MASK 0x3F
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#define UARTAPP_LINECTRL2_SPS_MASK (1 << 7)
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#define UARTAPP_LINECTRL2_WLEN_OFFSET 5
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#define UARTAPP_LINECTRL2_WLEN_MASK (0x03 << 5)
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#define UARTAPP_LINECTRL2_WLEN_5BITS (0x00 << 5)
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#define UARTAPP_LINECTRL2_WLEN_6BITS (0x01 << 5)
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#define UARTAPP_LINECTRL2_WLEN_7BITS (0x02 << 5)
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#define UARTAPP_LINECTRL2_WLEN_8BITS (0x03 << 5)
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#define UARTAPP_LINECTRL2_FEN_MASK (1 << 4)
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#define UARTAPP_LINECTRL2_STP2_MASK (1 << 3)
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#define UARTAPP_LINECTRL2_EPS_MASK (1 << 2)
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#define UARTAPP_LINECTRL2_PEN_MASK (1 << 1)
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#define UARTAPP_INTR_ABDIEN_MASK (1 << 27)
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#define UARTAPP_INTR_OEIEN_MASK (1 << 26)
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#define UARTAPP_INTR_BEIEN_MASK (1 << 25)
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#define UARTAPP_INTR_PEIEN_MASK (1 << 24)
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#define UARTAPP_INTR_FEIEN_MASK (1 << 23)
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#define UARTAPP_INTR_RTIEN_MASK (1 << 22)
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#define UARTAPP_INTR_TXIEN_MASK (1 << 21)
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#define UARTAPP_INTR_RXIEN_MASK (1 << 20)
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#define UARTAPP_INTR_DSRMIEN_MASK (1 << 19)
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#define UARTAPP_INTR_DCDMIEN_MASK (1 << 18)
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#define UARTAPP_INTR_CTSMIEN_MASK (1 << 17)
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#define UARTAPP_INTR_RIMIEN_MASK (1 << 16)
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#define UARTAPP_INTR_ABDIS_MASK (1 << 11)
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#define UARTAPP_INTR_OEIS_MASK (1 << 10)
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#define UARTAPP_INTR_BEIS_MASK (1 << 9)
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#define UARTAPP_INTR_PEIS_MASK (1 << 8)
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#define UARTAPP_INTR_FEIS_MASK (1 << 7)
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#define UARTAPP_INTR_RTIS_MASK (1 << 6)
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#define UARTAPP_INTR_TXIS_MASK (1 << 5)
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#define UARTAPP_INTR_RXIS_MASK (1 << 4)
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#define UARTAPP_INTR_DSRMIS_MASK (1 << 3)
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#define UARTAPP_INTR_DCDMIS_MASK (1 << 2)
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#define UARTAPP_INTR_CTSMIS_MASK (1 << 1)
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#define UARTAPP_INTR_RIMIS_MASK 0x1
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#define UARTAPP_DATA_DATA_OFFSET 0
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#define UARTAPP_DATA_DATA_MASK 0xFFFFFFFF
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#define UARTAPP_STAT_PRESENT_MASK (1 << 31)
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#define UARTAPP_STAT_PRESENT_UNAVAILABLE (0x0 << 31)
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#define UARTAPP_STAT_PRESENT_AVAILABLE (0x1 << 31)
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#define UARTAPP_STAT_HISPEED_MASK (1 << 30)
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#define UARTAPP_STAT_HISPEED_UNAVAILABLE (0x0 << 30)
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#define UARTAPP_STAT_HISPEED_AVAILABLE (0x1 << 30)
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#define UARTAPP_STAT_BUSY_MASK (1 << 29)
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#define UARTAPP_STAT_CTS_MASK (1 << 28)
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#define UARTAPP_STAT_TXFE_MASK (1 << 27)
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#define UARTAPP_STAT_RXFF_MASK (1 << 26)
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#define UARTAPP_STAT_TXFF_MASK (1 << 25)
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#define UARTAPP_STAT_RXFE_MASK (1 << 24)
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#define UARTAPP_STAT_RXBYTE_INVALID_OFFSET 20
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#define UARTAPP_STAT_RXBYTE_INVALID_MASK (0xF << 20)
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#define UARTAPP_STAT_OERR_MASK (1 << 19)
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#define UARTAPP_STAT_BERR_MASK (1 << 18)
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#define UARTAPP_STAT_PERR_MASK (1 << 17)
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#define UARTAPP_STAT_FERR_MASK (1 << 16)
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#define UARTAPP_STAT_RXCOUNT_OFFSET 0
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#define UARTAPP_STAT_RXCOUNT_MASK 0xFFFF
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#define UARTAPP_DEBUG_RXIBAUD_DIV_OFFSET 16
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#define UARTAPP_DEBUG_RXIBAUD_DIV_MASK (0xFFFF << 16)
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#define UARTAPP_DEBUG_RXFBAUD_DIV_OFFSET 10
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#define UARTAPP_DEBUG_RXFBAUD_DIV_MASK (0x3F << 10)
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#define UARTAPP_DEBUG_TXDMARUN_MASK (1 << 5)
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#define UARTAPP_DEBUG_RXDMARUN_MASK (1 << 4)
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#define UARTAPP_DEBUG_TXCMDEND_MASK (1 << 3)
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#define UARTAPP_DEBUG_RXCMDEND_MASK (1 << 2)
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#define UARTAPP_DEBUG_TXDMARQ_MASK (1 << 1)
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#define UARTAPP_DEBUG_RXDMARQ_MASK 0x01
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#define UARTAPP_VERSION_MAJOR_OFFSET 24
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#define UARTAPP_VERSION_MAJOR_MASK (0xFF << 24)
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#define UARTAPP_VERSION_MINOR_OFFSET 16
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#define UARTAPP_VERSION_MINOR_MASK (0xFF << 16)
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#define UARTAPP_VERSION_STEP_OFFSET 0
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#define UARTAPP_VERSION_STEP_MASK 0xFFFF
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#define UARTAPP_AUTOBAUD_REFCHAR1_OFFSET 24
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#define UARTAPP_AUTOBAUD_REFCHAR1_MASK (0xFF << 24)
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#define UARTAPP_AUTOBAUD_REFCHAR0_OFFSET 16
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#define UARTAPP_AUTOBAUD_REFCHAR0_MASK (0xFF << 16)
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#define UARTAPP_AUTOBAUD_UPDATE_TX_MASK (1 << 4)
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#define UARTAPP_AUTOBAUD_TWO_REF_CHARS_MASK (1 << 3)
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#define UARTAPP_AUTOBAUD_START_WITH_RUNBIT_MASK (1 << 2)
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#define UARTAPP_AUTOBAUD_START_BAUD_DETECT_MASK (1 << 1)
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#define UARTAPP_AUTOBAUD_BAUD_DETECT_ENABLE_MASK 0x01
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#endif /* __ARCH_ARM___UARTAPP_H */
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