drivers/uart/uart8250reg.h: use BIT() macro for bit definitions

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ib726dd77eaf1a4f8a7d9fbf8ab6d46a7bb1de6c0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61643
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
This commit is contained in:
Felix Held 2022-02-04 22:53:54 +01:00
parent 5bd6096f82
commit ec4493f88b
1 changed files with 37 additions and 35 deletions

View File

@ -3,16 +3,18 @@
#ifndef UART8250REG_H
#define UART8250REG_H
#include <types.h>
/* Data */
#define UART8250_RBR 0x00
#define UART8250_TBR 0x00
/* Control */
#define UART8250_IER 0x01
#define UART8250_IER_MSI 0x08 /* Enable Modem status interrupt */
#define UART8250_IER_RLSI 0x04 /* Enable receiver line status interrupt */
#define UART8250_IER_THRI 0x02 /* Enable Transmitter holding register int. */
#define UART8250_IER_RDI 0x01 /* Enable receiver data interrupt */
#define UART8250_IER_MSI BIT(3) /* Enable Modem status interrupt */
#define UART8250_IER_RLSI BIT(2) /* Enable receiver line status interrupt */
#define UART8250_IER_THRI BIT(1) /* Enable Transmitter holding register int. */
#define UART8250_IER_RDI BIT(0) /* Enable receiver data interrupt */
#define UART8250_IIR 0x02
#define UART8250_IIR_NO_INT 0x01 /* No interrupts pending */
@ -24,10 +26,10 @@
#define UART8250_IIR_RLSI 0x06 /* Receiver line status interrupt */
#define UART8250_FCR 0x02
#define UART8250_FCR_FIFO_EN 0x01 /* Fifo enable */
#define UART8250_FCR_CLEAR_RCVR 0x02 /* Clear the RCVR FIFO */
#define UART8250_FCR_CLEAR_XMIT 0x04 /* Clear the XMIT FIFO */
#define UART8250_FCR_DMA_SELECT 0x08 /* For DMA applications */
#define UART8250_FCR_FIFO_EN BIT(0) /* Fifo enable */
#define UART8250_FCR_CLEAR_RCVR BIT(1) /* Clear the RCVR FIFO */
#define UART8250_FCR_CLEAR_XMIT BIT(2) /* Clear the XMIT FIFO */
#define UART8250_FCR_DMA_SELECT BIT(3) /* For DMA applications */
#define UART8250_FCR_TRIGGER_MASK 0xC0 /* Mask for the FIFO trigger range */
#define UART8250_FCR_TRIGGER_1 0x00 /* Mask for trigger set at 1 */
#define UART8250_FCR_TRIGGER_4 0x40 /* Mask for trigger set at 4 */
@ -40,19 +42,19 @@
#define UART8250_LCR_WLS_6 0x01 /* 6 bit character length */
#define UART8250_LCR_WLS_7 0x02 /* 7 bit character length */
#define UART8250_LCR_WLS_8 0x03 /* 8 bit character length */
#define UART8250_LCR_STB 0x04 /* Number of stop Bits, off = 1, on = 1.5 or 2) */
#define UART8250_LCR_PEN 0x08 /* Parity enable */
#define UART8250_LCR_EPS 0x10 /* Even Parity Select */
#define UART8250_LCR_STKP 0x20 /* Stick Parity */
#define UART8250_LCR_SBRK 0x40 /* Set Break */
#define UART8250_LCR_DLAB 0x80 /* Divisor latch access bit */
#define UART8250_LCR_STB BIT(2) /* Number of stop Bits, off = 1, on = 1.5 or 2) */
#define UART8250_LCR_PEN BIT(3) /* Parity enable */
#define UART8250_LCR_EPS BIT(4) /* Even Parity Select */
#define UART8250_LCR_STKP BIT(5) /* Stick Parity */
#define UART8250_LCR_SBRK BIT(6) /* Set Break */
#define UART8250_LCR_DLAB BIT(7) /* Divisor latch access bit */
#define UART8250_MCR 0x04
#define UART8250_MCR_DTR 0x01 /* DTR */
#define UART8250_MCR_RTS 0x02 /* RTS */
#define UART8250_MCR_OUT1 0x04 /* Out 1 */
#define UART8250_MCR_OUT2 0x08 /* Out 2 */
#define UART8250_MCR_LOOP 0x10 /* Enable loopback test mode */
#define UART8250_MCR_DTR BIT(0) /* DTR */
#define UART8250_MCR_RTS BIT(1) /* RTS */
#define UART8250_MCR_OUT1 BIT(2) /* Out 1 */
#define UART8250_MCR_OUT2 BIT(3) /* Out 2 */
#define UART8250_MCR_LOOP BIT(4) /* Enable loopback test mode */
#define UART8250_MCR_DMA_EN 0x04
#define UART8250_MCR_TX_DFR 0x08
@ -62,24 +64,24 @@
/* Status */
#define UART8250_LSR 0x05
#define UART8250_LSR_DR 0x01 /* Data ready */
#define UART8250_LSR_OE 0x02 /* Overrun */
#define UART8250_LSR_PE 0x04 /* Parity error */
#define UART8250_LSR_FE 0x08 /* Framing error */
#define UART8250_LSR_BI 0x10 /* Break */
#define UART8250_LSR_THRE 0x20 /* Xmit holding register empty */
#define UART8250_LSR_TEMT 0x40 /* Xmitter empty */
#define UART8250_LSR_ERR 0x80 /* Error */
#define UART8250_LSR_DR BIT(0) /* Data ready */
#define UART8250_LSR_OE BIT(1) /* Overrun */
#define UART8250_LSR_PE BIT(2) /* Parity error */
#define UART8250_LSR_FE BIT(3) /* Framing error */
#define UART8250_LSR_BI BIT(4) /* Break */
#define UART8250_LSR_THRE BIT(5) /* Xmit holding register empty */
#define UART8250_LSR_TEMT BIT(6) /* Xmitter empty */
#define UART8250_LSR_ERR BIT(7) /* Error */
#define UART8250_MSR 0x06
#define UART8250_MSR_DCD 0x80 /* Data Carrier Detect */
#define UART8250_MSR_RI 0x40 /* Ring Indicator */
#define UART8250_MSR_DSR 0x20 /* Data Set Ready */
#define UART8250_MSR_CTS 0x10 /* Clear to Send */
#define UART8250_MSR_DDCD 0x08 /* Delta DCD */
#define UART8250_MSR_TERI 0x04 /* Trailing edge ring indicator */
#define UART8250_MSR_DDSR 0x02 /* Delta DSR */
#define UART8250_MSR_DCTS 0x01 /* Delta CTS */
#define UART8250_MSR_DCD BIT(7) /* Data Carrier Detect */
#define UART8250_MSR_RI BIT(6) /* Ring Indicator */
#define UART8250_MSR_DSR BIT(5) /* Data Set Ready */
#define UART8250_MSR_CTS BIT(4) /* Clear to Send */
#define UART8250_MSR_DDCD BIT(3) /* Delta DCD */
#define UART8250_MSR_TERI BIT(2) /* Trailing edge ring indicator */
#define UART8250_MSR_DDSR BIT(1) /* Delta DSR */
#define UART8250_MSR_DCTS BIT(0) /* Delta CTS */
#define UART8250_SCR 0x07
#define UART8250_SPR 0x07