diff options
Diffstat (limited to 'chip/mt_scp/rv32i_common/uart_regs.h')
| -rw-r--r-- | chip/mt_scp/rv32i_common/uart_regs.h | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/chip/mt_scp/rv32i_common/uart_regs.h b/chip/mt_scp/rv32i_common/uart_regs.h deleted file mode 100644 index c88b9c758b..0000000000 --- a/chip/mt_scp/rv32i_common/uart_regs.h +++ /dev/null @@ -1,80 +0,0 @@ -/* Copyright 2020 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* SCP UART module registers */ - -#ifndef __CROS_EC_UART_REGS_H -#define __CROS_EC_UART_REGS_H - -#include "registers.h" - -/* Chip specific function for setting UART pinmux. */ -void uart_init_pinmux(void); - -/* DLAB (Divisor Latch Access Bit) == 0 */ - -/* (Read) receiver buffer register */ -#define UART_RBR(n) UART_REG(n, 0) -/* (Write) transmitter holding register */ -#define UART_THR(n) UART_REG(n, 0) -/* (Write) interrupt enable register */ -#define UART_IER(n) UART_REG(n, 1) -#define UART_IER_RDI BIT(0) /* received data */ -#define UART_IER_THRI BIT(1) /* THR empty */ -#define UART_IER_RLSI BIT(2) /* receiver LSR change */ -#define UART_IER_MSI BIT(3) /* MSR change */ -/* (Read) interrupt identification register */ -#define UART_IIR(n) UART_REG(n, 2) -#define UART_IIR_ID_MASK 0x0e -#define UART_IIR_MSI 0x00 /* modem status change */ -#define UART_IIR_NO_INT 0x01 /* no int pending */ -#define UART_IIR_THRI 0x02 /* THR empty */ -#define UART_IIR_RDI 0x04 /* received data available */ -#define UART_IIR_RLSI 0x06 /* line status change */ -/* (Write) FIFO control register */ -#define UART_FCR(n) UART_REG(n, 2) -#define UART_FCR_ENABLE_FIFO BIT(0) /* enable FIFO */ -#define UART_FCR_CLEAR_RCVR BIT(1) /* clear receive FIFO */ -#define UART_FCR_CLEAR_XMIT BIT(2) /* clear transmit FIFO */ -#define UART_FCR_DMA_SELECT BIT(3) /* select DMA mode */ -/* (Write) line control register */ -#define UART_LCR(n) UART_REG(n, 3) -#define UART_LCR_WLEN5 0 /* word length 5 bits */ -#define UART_LCR_WLEN6 1 -#define UART_LCR_WLEN7 2 -#define UART_LCR_WLEN8 3 -#define UART_LCR_STOP BIT(2) /* stop bits: 1bit, 2bits */ -#define UART_LCR_PARITY BIT(3) /* parity enable */ -#define UART_LCR_EPAR BIT(4) /* even parity */ -#define UART_LCR_SPAR BIT(5) /* stick parity */ -#define UART_LCR_SBC BIT(6) /* set break control */ -#define UART_LCR_DLAB BIT(7) /* divisor latch access */ -/* (Write) modem control register */ -#define UART_MCR(n) UART_REG(n, 4) -/* (Read) line status register */ -#define UART_LSR(n) UART_REG(n, 5) -#define UART_LSR_DR BIT(0) /* data ready */ -#define UART_LSR_OE BIT(1) /* overrun error */ -#define UART_LSR_PE BIT(2) /* parity error */ -#define UART_LSR_FE BIT(3) /* frame error */ -#define UART_LSR_BI BIT(4) /* break interrupt */ -#define UART_LSR_THRE BIT(5) /* THR empty */ -#define UART_LSR_TEMT BIT(6) /* THR empty, line idle */ -#define UART_LSR_FIFOE BIT(7) /* FIFO error */ -/* (Read) modem status register */ -#define UART_MSR(n) UART_REG(n, 6) -/* (Read/Write) scratch register */ -#define UART_SCR(n) UART_REG(n, 7) - -/* DLAB == 1 */ - -/* (Write) divisor latch */ -#define UART_DLL(n) UART_REG(n, 0) -#define UART_DLH(n) UART_REG(n, 1) - -/* MTK extension */ -#define UART_HIGHSPEED(n) UART_REG(n, 9) - -#endif /* __CROS_EC_UART_REGS_H */ |