109 lines
4.9 KiB
C
109 lines
4.9 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-04-16 bigmagic first version
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*/
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#ifndef DRV_UART_H__
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#define DRV_UART_H__
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// register's bit
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#define PL011_FR_RI (1 << 8)
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#define PL011_FR_TXFE (1 << 7)
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#define PL011_FR_RXFF (1 << 6)
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#define PL011_FR_TXFF (1 << 5)
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#define PL011_FR_RXFE (1 << 4)
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#define PL011_FR_BUSY (1 << 3)
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#define PL011_FR_DCD (1 << 2)
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#define PL011_FR_DSR (1 << 1)
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#define PL011_FR_CTS (1 << 0)
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#define PL011_LCRH_SPS (1 << 7)
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#define PL011_LCRH_WLEN_8 (3 << 5)
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#define PL011_LCRH_WLEN_7 (2 << 5)
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#define PL011_LCRH_WLEN_6 (1 << 5)
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#define PL011_LCRH_WLEN_5 (0 << 5)
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#define PL011_LCRH_FEN (1 << 4)
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#define PL011_LCRH_STP2 (1 << 3)
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#define PL011_LCRH_EPS (1 << 2)
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#define PL011_LCRH_PEN (1 << 1)
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#define PL011_LCRH_BRK (1 << 0)
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#define PL011_CR_CTSEN (1 << 15)
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#define PL011_CR_RTSEN (1 << 14)
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#define PL011_CR_RTS (1 << 11)
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#define PL011_CR_DTR (1 << 10)
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#define PL011_CR_RXE (1 << 9)
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#define PL011_CR_TXE (1 << 8)
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#define PL011_CR_LBE (1 << 7)
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#define PL011_CR_SIRLP (1 << 2)
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#define PL011_CR_SIREN (1 << 1)
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#define PL011_CR_UARTEN (1 << 0)
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#define PL011_IMSC_TXIM (1 << 5)
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#define PL011_IMSC_RXIM (1 << 4)
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#define PL011_INTERRUPT_OVERRUN_ERROR (1 << 10)
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#define PL011_INTERRUPT_BREAK_ERROR (1 << 9)
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#define PL011_INTERRUPT_PARITY_ERROR (1 << 8)
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#define PL011_INTERRUPT_FRAMING_ERROR (1 << 7)
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#define PL011_INTERRUPT_RECEIVE_TIMEOUT (1 << 6)
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#define PL011_INTERRUPT_TRANSMIT (1 << 5)
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#define PL011_INTERRUPT_RECEIVE (1 << 4)
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#define PL011_INTERRUPT_nUARTCTS (1 << 1)
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#define PL011_REG_DR(BASE) HWREG32(BASE + 0x00)
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#define PL011_REG_RSRECR(BASE) HWREG32(BASE + 0x04)
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#define PL011_REG_RESERVED0(BASE) HWREG32(BASE + 0x08)
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#define PL011_REG_FR(BASE) HWREG32(BASE + 0x18)
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#define PL011_REG_RESERVED1(BASE) HWREG32(BASE + 0x1C)
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#define PL011_REG_ILPR(BASE) HWREG32(BASE + 0x20)
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#define PL011_REG_IBRD(BASE) HWREG32(BASE + 0x24)
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#define PL011_REG_FBRD(BASE) HWREG32(BASE + 0x28)
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#define PL011_REG_LCRH(BASE) HWREG32(BASE + 0x2C)
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#define PL011_REG_CR(BASE) HWREG32(BASE + 0x30)
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#define PL011_REG_IFLS(BASE) HWREG32(BASE + 0x34)
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#define PL011_REG_IMSC(BASE) HWREG32(BASE + 0x38)
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#define PL011_REG_RIS(BASE) HWREG32(BASE + 0x3C)
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#define PL011_REG_MIS(BASE) HWREG32(BASE + 0x40)
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#define PL011_REG_ICR(BASE) HWREG32(BASE + 0x44)
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#define PL011_REG_DMACR(BASE) HWREG32(BASE + 0x48)
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#define PL011_REG_RESERVED2(BASE) HWREG32(BASE + 0x4C)
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#define PL011_REG_ITCR(BASE) HWREG32(BASE + 0x80)
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#define PL011_REG_ITIP(BASE) HWREG32(BASE + 0x84)
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#define PL011_REG_ITOP(BASE) HWREG32(BASE + 0x88)
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#define PL011_REG_TDR(BASE) HWREG32(BASE + 0x8C)
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/*
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* Auxiliary
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*/
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#define AUX_IRQ(BASE) HWREG32(BASE + 0x00) /* Auxiliary Interrupt status 3 */
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#define AUX_ENABLES(BASE) HWREG32(BASE + 0x04) /* Auxiliary enables 3bit */
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#define AUX_MU_IO_REG(BASE) HWREG32(BASE + 0x40) /* Mini Uart I/O Data 8bit */
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#define AUX_MU_IER_REG(BASE) HWREG32(BASE + 0x44) /* Mini Uart Interrupt Enable 8bit */
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#define AUX_MU_IIR_REG(BASE) HWREG32(BASE + 0x48) /* Mini Uart Interrupt Identify 8bit */
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#define AUX_MU_LCR_REG(BASE) HWREG32(BASE + 0x4C) /* Mini Uart Line Control 8bit */
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#define AUX_MU_MCR_REG(BASE) HWREG32(BASE + 0x50) /* Mini Uart Modem Control 8bit */
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#define AUX_MU_LSR_REG(BASE) HWREG32(BASE + 0x54) /* Mini Uart Line Status 8bit */
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#define AUX_MU_MSR_REG(BASE) HWREG32(BASE + 0x58) /* Mini Uart Modem Status 8bit */
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#define AUX_MU_SCRATCH(BASE) HWREG32(BASE + 0x5C) /* Mini Uart Scratch 8bit */
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#define AUX_MU_CNTL_REG(BASE) HWREG32(BASE + 0x60) /* Mini Uart Extra Control 8bit */
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#define AUX_MU_STAT_REG(BASE) HWREG32(BASE + 0x64) /* Mini Uart Extra Status 32bit */
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#define AUX_MU_BAUD_REG(BASE) HWREG32(BASE + 0x68) /* Mini Uart Baudrate 16bit */
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#define AUX_SPI0_CNTL0_REG(BASE) HWREG32(BASE + 0x80) /* SPI 1 Control register 0 32bit */
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#define AUX_SPI0_CNTL1_REG(BASE) HWREG32(BASE + 0x84) /* SPI 1 Control register 1 8bit */
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#define AUX_SPI0_STAT_REG(BASE) HWREG32(BASE + 0x88) /* SPI 1 Status 32bit */
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#define AUX_SPI0_IO_REG(BASE) HWREG32(BASE + 0x90) /* SPI 1 Data 32bit */
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#define AUX_SPI0_PEEK_REG(BASE) HWREG32(BASE + 0x94) /* SPI 1 Peek 16bit */
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#define AUX_SPI1_CNTL0_REG(BASE) HWREG32(BASE + 0xC0) /* SPI 2 Control register 0 32bit */
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#define AUX_SPI1_CNTL1_REG(BASE) HWREG32(BASE + 0xC4) /* SPI 2 Control register 1 8bit */
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int rt_hw_uart_init(void);
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void rt_hw_earlycon_ioremap_early(void);
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#endif /* DRV_UART_H__ */
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