diff options
Diffstat (limited to 'arch/arm/include/asm/arch-pxa/regs-uart.h')
| -rw-r--r-- | arch/arm/include/asm/arch-pxa/regs-uart.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-pxa/regs-uart.h b/arch/arm/include/asm/arch-pxa/regs-uart.h new file mode 100644 index 0000000..bdd0a47 --- /dev/null +++ b/arch/arm/include/asm/arch-pxa/regs-uart.h @@ -0,0 +1,95 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + */ + +#ifndef __REGS_UART_H__ +#define __REGS_UART_H__ + +#define FFUART_BASE 0x40100000 +#define BTUART_BASE 0x40200000 +#define STUART_BASE 0x40700000 +#define HWUART_BASE 0x41600000 + +struct pxa_uart_regs { + union { + uint32_t thr; + uint32_t rbr; + uint32_t dll; + }; + union { + uint32_t ier; + uint32_t dlh; + }; + union { + uint32_t fcr; + uint32_t iir; + }; + uint32_t lcr; + uint32_t mcr; + uint32_t lsr; + uint32_t msr; + uint32_t spr; + uint32_t isr; +}; + +#define IER_DMAE (1 << 7) +#define IER_UUE (1 << 6) +#define IER_NRZE (1 << 5) +#define IER_RTIOE (1 << 4) +#define IER_MIE (1 << 3) +#define IER_RLSE (1 << 2) +#define IER_TIE (1 << 1) +#define IER_RAVIE (1 << 0) + +#define IIR_FIFOES1 (1 << 7) +#define IIR_FIFOES0 (1 << 6) +#define IIR_TOD (1 << 3) +#define IIR_IID2 (1 << 2) +#define IIR_IID1 (1 << 1) +#define IIR_IP (1 << 0) + +#define FCR_ITL2 (1 << 7) +#define FCR_ITL1 (1 << 6) +#define FCR_RESETTF (1 << 2) +#define FCR_RESETRF (1 << 1) +#define FCR_TRFIFOE (1 << 0) +#define FCR_ITL_1 0 +#define FCR_ITL_8 (FCR_ITL1) +#define FCR_ITL_16 (FCR_ITL2) +#define FCR_ITL_32 (FCR_ITL2|FCR_ITL1) + +#define LCR_DLAB (1 << 7) +#define LCR_SB (1 << 6) +#define LCR_STKYP (1 << 5) +#define LCR_EPS (1 << 4) +#define LCR_PEN (1 << 3) +#define LCR_STB (1 << 2) +#define LCR_WLS1 (1 << 1) +#define LCR_WLS0 (1 << 0) + +#define LSR_FIFOE (1 << 7) +#define LSR_TEMT (1 << 6) +#define LSR_TDRQ (1 << 5) +#define LSR_BI (1 << 4) +#define LSR_FE (1 << 3) +#define LSR_PE (1 << 2) +#define LSR_OE (1 << 1) +#define LSR_DR (1 << 0) + +#define MCR_LOOP (1 << 4) +#define MCR_OUT2 (1 << 3) +#define MCR_OUT1 (1 << 2) +#define MCR_RTS (1 << 1) +#define MCR_DTR (1 << 0) + +#define MSR_DCD (1 << 7) +#define MSR_RI (1 << 6) +#define MSR_DSR (1 << 5) +#define MSR_CTS (1 << 4) +#define MSR_DDCD (1 << 3) +#define MSR_TERI (1 << 2) +#define MSR_DDSR (1 << 1) +#define MSR_DCTS (1 << 0) + +#endif /* __REGS_UART_H__ */ |