[PATCH 1/8] i.MX: Move UART definitions into a separate file
Andrey Smirnov
andrew.smirnov at gmail.com
Sat May 2 19:26:13 PDT 2015
Move UART definitions into a separate file to avoid redefinition in
<mach/debug_ll.h> and magical constants in low level UART
initialization code.
Signed-off-by: Andrey Smirnov <andrew.smirnov at gmail.com>
---
arch/arm/mach-imx/include/mach/debug_ll.h | 9 +--
arch/arm/mach-imx/include/mach/serial.h | 112 ++++++++++++++++++++++++++++++
drivers/serial/serial_imx.c | 108 +---------------------------
3 files changed, 114 insertions(+), 115 deletions(-)
create mode 100644 arch/arm/mach-imx/include/mach/serial.h
diff --git a/arch/arm/mach-imx/include/mach/debug_ll.h b/arch/arm/mach-imx/include/mach/debug_ll.h
index f34eaa1..1c9f3a6 100644
--- a/arch/arm/mach-imx/include/mach/debug_ll.h
+++ b/arch/arm/mach-imx/include/mach/debug_ll.h
@@ -12,6 +12,7 @@
#include <mach/imx51-regs.h>
#include <mach/imx53-regs.h>
#include <mach/imx6-regs.h>
+#include <mach/serial.h>
#ifdef CONFIG_DEBUG_LL
@@ -40,14 +41,6 @@
#define __IMX_UART_BASE(soc, num) soc##_UART##num##_BASE_ADDR
#define IMX_UART_BASE(soc, num) __IMX_UART_BASE(soc, num)
-#define URTX0 0x40 /* Transmitter Register */
-
-#define UCR1 0x80 /* Control Register 1 */
-#define UCR1_UARTEN (1 << 0) /* UART enabled */
-
-#define USR2 0x98 /* Status Register 2 */
-#define USR2_TXDC (1 << 3) /* Transmitter complete */
-
static inline void PUTC_LL(int c)
{
void __iomem *base = (void *)IMX_UART_BASE(IMX_DEBUG_SOC,
diff --git a/arch/arm/mach-imx/include/mach/serial.h b/arch/arm/mach-imx/include/mach/serial.h
new file mode 100644
index 0000000..b999c58
--- /dev/null
+++ b/arch/arm/mach-imx/include/mach/serial.h
@@ -0,0 +1,112 @@
+#ifndef __MACH_SERIAL_H__
+#define __MACH_SERIAL_H__
+
+#define URXD0 0x0 /* Receiver Register */
+#define URTX0 0x40 /* Transmitter Register */
+#define UCR1 0x80 /* Control Register 1 */
+#define UCR2 0x84 /* Control Register 2 */
+#define UCR3 0x88 /* Control Register 3 */
+#define UCR4 0x8c /* Control Register 4 */
+#define UFCR 0x90 /* FIFO Control Register */
+#define USR1 0x94 /* Status Register 1 */
+#define USR2 0x98 /* Status Register 2 */
+#define UESC 0x9c /* Escape Character Register */
+#define UTIM 0xa0 /* Escape Timer Register */
+#define UBIR 0xa4 /* BRM Incremental Register */
+#define UBMR 0xa8 /* BRM Modulator Register */
+#define UBRC 0xac /* Baud Rate Count Register */
+
+/* UART Control Register Bit Fields.*/
+#define URXD_CHARRDY (1<<15)
+#define URXD_ERR (1<<14)
+#define URXD_OVRRUN (1<<13)
+#define URXD_FRMERR (1<<12)
+#define URXD_BRK (1<<11)
+#define URXD_PRERR (1<<10)
+#define UCR1_ADEN (1<<15) /* Auto dectect interrupt */
+#define UCR1_ADBR (1<<14) /* Auto detect baud rate */
+#define UCR1_TRDYEN (1<<13) /* Transmitter ready interrupt enable */
+#define UCR1_IDEN (1<<12) /* Idle condition interrupt */
+#define UCR1_RRDYEN (1<<9) /* Recv ready interrupt enable */
+#define UCR1_RDMAEN (1<<8) /* Recv ready DMA enable */
+#define UCR1_IREN (1<<7) /* Infrared interface enable */
+#define UCR1_TXMPTYEN (1<<6) /* Transimitter empty interrupt enable */
+#define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */
+#define UCR1_SNDBRK (1<<4) /* Send break */
+#define UCR1_TDMAEN (1<<3) /* Transmitter ready DMA enable */
+#define UCR1_UARTCLKEN (1<<2) /* UART clock enabled */
+#define UCR1_DOZE (1<<1) /* Doze */
+#define UCR1_UARTEN (1<<0) /* UART enabled */
+#define UCR2_ESCI (1<<15) /* Escape seq interrupt enable */
+#define UCR2_IRTS (1<<14) /* Ignore RTS pin */
+#define UCR2_CTSC (1<<13) /* CTS pin control */
+#define UCR2_CTS (1<<12) /* Clear to send */
+#define UCR2_ESCEN (1<<11) /* Escape enable */
+#define UCR2_PREN (1<<8) /* Parity enable */
+#define UCR2_PROE (1<<7) /* Parity odd/even */
+#define UCR2_STPB (1<<6) /* Stop */
+#define UCR2_WS (1<<5) /* Word size */
+#define UCR2_RTSEN (1<<4) /* Request to send interrupt enable */
+#define UCR2_TXEN (1<<2) /* Transmitter enabled */
+#define UCR2_RXEN (1<<1) /* Receiver enabled */
+#define UCR2_SRST (1<<0) /* SW reset */
+#define UCR3_DTREN (1<<13) /* DTR interrupt enable */
+#define UCR3_PARERREN (1<<12) /* Parity enable */
+#define UCR3_FRAERREN (1<<11) /* Frame error interrupt enable */
+#define UCR3_DSR (1<<10) /* Data set ready */
+#define UCR3_DCD (1<<9) /* Data carrier detect */
+#define UCR3_RI (1<<8) /* Ring indicator */
+#define UCR3_ADNIMP (1<<7) /* Autobaud Detection Not Improved */
+#define UCR3_RXDSEN (1<<6) /* Receive status interrupt enable */
+#define UCR3_AIRINTEN (1<<5) /* Async IR wake interrupt enable */
+#define UCR3_AWAKEN (1<<4) /* Async wake interrupt enable */
+#define UCR3_REF25 (1<<3) /* Ref freq 25 MHz (i.MXL / i.MX1) */
+#define UCR3_REF30 (1<<2) /* Ref Freq 30 MHz (i.MXL / i.MX1) */
+#define UCR3_RXDMUXSEL (1<<2) /* RXD Muxed input select (i.MX27) */
+#define UCR3_INVT (1<<1) /* Inverted Infrared transmission */
+#define UCR3_BPEN (1<<0) /* Preset registers enable */
+#define UCR4_CTSTL_32 (32<<10) /* CTS trigger level (32 chars) */
+#define UCR4_INVR (1<<9) /* Inverted infrared reception */
+#define UCR4_ENIRI (1<<8) /* Serial infrared interrupt enable */
+#define UCR4_WKEN (1<<7) /* Wake interrupt enable */
+#define UCR4_REF16 (1<<6) /* Ref freq 16 MHz */
+#define UCR4_IRSC (1<<5) /* IR special case */
+#define UCR4_TCEN (1<<3) /* Transmit complete interrupt enable */
+#define UCR4_BKEN (1<<2) /* Break condition interrupt enable */
+#define UCR4_OREN (1<<1) /* Receiver overrun interrupt enable */
+#define UCR4_DREN (1<<0) /* Recv data ready interrupt enable */
+#define UFCR_RXTL_SHF 0 /* Receiver trigger level shift */
+#define UFCR_RFDIV (7<<7) /* Reference freq divider mask */
+#define UFCR_TXTL_SHF 10 /* Transmitter trigger level shift */
+#define USR1_PARITYERR (1<<15) /* Parity error interrupt flag */
+#define USR1_RTSS (1<<14) /* RTS pin status */
+#define USR1_TRDY (1<<13) /* Transmitter ready interrupt/dma flag */
+#define USR1_RTSD (1<<12) /* RTS delta */
+#define USR1_ESCF (1<<11) /* Escape seq interrupt flag */
+#define USR1_FRAMERR (1<<10) /* Frame error interrupt flag */
+#define USR1_RRDY (1<<9) /* Receiver ready interrupt/dma flag */
+#define USR1_TIMEOUT (1<<7) /* Receive timeout interrupt status */
+#define USR1_RXDS (1<<6) /* Receiver idle interrupt flag */
+#define USR1_AIRINT (1<<5) /* Async IR wake interrupt flag */
+#define USR1_AWAKE (1<<4) /* Aysnc wake interrupt flag */
+#define USR2_ADET (1<<15) /* Auto baud rate detect complete */
+#define USR2_TXFE (1<<14) /* Transmit buffer FIFO empty */
+#define USR2_DTRF (1<<13) /* DTR edge interrupt flag */
+#define USR2_IDLE (1<<12) /* Idle condition */
+#define USR2_IRINT (1<<8) /* Serial infrared interrupt flag */
+#define USR2_WAKE (1<<7) /* Wake */
+#define USR2_RTSF (1<<4) /* RTS edge interrupt flag */
+#define USR2_TXDC (1<<3) /* Transmitter complete */
+#define USR2_BRCD (1<<2) /* Break condition */
+#define USR2_ORE (1<<1) /* Overrun error */
+#define USR2_RDR (1<<0) /* Recv data ready */
+#define UTS_FRCPERR (1<<13) /* Force parity error */
+#define UTS_LOOP (1<<12) /* Loop tx and rx */
+#define UTS_TXEMPTY (1<<6) /* TxFIFO empty */
+#define UTS_RXEMPTY (1<<5) /* RxFIFO empty */
+#define UTS_TXFULL (1<<4) /* TxFIFO full */
+#define UTS_RXFULL (1<<3) /* RxFIFO full */
+#define UTS_SOFTRST (1<<0) /* Software reset */
+
+
+#endif /* __MACH_SERIAL_H__ */
diff --git a/drivers/serial/serial_imx.c b/drivers/serial/serial_imx.c
index cd954c2..e197be8 100644
--- a/drivers/serial/serial_imx.c
+++ b/drivers/serial/serial_imx.c
@@ -23,113 +23,7 @@
#include <of.h>
#include <linux/err.h>
#include <linux/clk.h>
-
-#define URXD0 0x0 /* Receiver Register */
-#define URTX0 0x40 /* Transmitter Register */
-#define UCR1 0x80 /* Control Register 1 */
-#define UCR2 0x84 /* Control Register 2 */
-#define UCR3 0x88 /* Control Register 3 */
-#define UCR4 0x8c /* Control Register 4 */
-#define UFCR 0x90 /* FIFO Control Register */
-#define USR1 0x94 /* Status Register 1 */
-#define USR2 0x98 /* Status Register 2 */
-#define UESC 0x9c /* Escape Character Register */
-#define UTIM 0xa0 /* Escape Timer Register */
-#define UBIR 0xa4 /* BRM Incremental Register */
-#define UBMR 0xa8 /* BRM Modulator Register */
-#define UBRC 0xac /* Baud Rate Count Register */
-
-/* UART Control Register Bit Fields.*/
-#define URXD_CHARRDY (1<<15)
-#define URXD_ERR (1<<14)
-#define URXD_OVRRUN (1<<13)
-#define URXD_FRMERR (1<<12)
-#define URXD_BRK (1<<11)
-#define URXD_PRERR (1<<10)
-#define UCR1_ADEN (1<<15) /* Auto dectect interrupt */
-#define UCR1_ADBR (1<<14) /* Auto detect baud rate */
-#define UCR1_TRDYEN (1<<13) /* Transmitter ready interrupt enable */
-#define UCR1_IDEN (1<<12) /* Idle condition interrupt */
-#define UCR1_RRDYEN (1<<9) /* Recv ready interrupt enable */
-#define UCR1_RDMAEN (1<<8) /* Recv ready DMA enable */
-#define UCR1_IREN (1<<7) /* Infrared interface enable */
-#define UCR1_TXMPTYEN (1<<6) /* Transimitter empty interrupt enable */
-#define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */
-#define UCR1_SNDBRK (1<<4) /* Send break */
-#define UCR1_TDMAEN (1<<3) /* Transmitter ready DMA enable */
-#define UCR1_UARTCLKEN (1<<2) /* UART clock enabled */
-#define UCR1_DOZE (1<<1) /* Doze */
-#define UCR1_UARTEN (1<<0) /* UART enabled */
-#define UCR2_ESCI (1<<15) /* Escape seq interrupt enable */
-#define UCR2_IRTS (1<<14) /* Ignore RTS pin */
-#define UCR2_CTSC (1<<13) /* CTS pin control */
-#define UCR2_CTS (1<<12) /* Clear to send */
-#define UCR2_ESCEN (1<<11) /* Escape enable */
-#define UCR2_PREN (1<<8) /* Parity enable */
-#define UCR2_PROE (1<<7) /* Parity odd/even */
-#define UCR2_STPB (1<<6) /* Stop */
-#define UCR2_WS (1<<5) /* Word size */
-#define UCR2_RTSEN (1<<4) /* Request to send interrupt enable */
-#define UCR2_TXEN (1<<2) /* Transmitter enabled */
-#define UCR2_RXEN (1<<1) /* Receiver enabled */
-#define UCR2_SRST (1<<0) /* SW reset */
-#define UCR3_DTREN (1<<13) /* DTR interrupt enable */
-#define UCR3_PARERREN (1<<12) /* Parity enable */
-#define UCR3_FRAERREN (1<<11) /* Frame error interrupt enable */
-#define UCR3_DSR (1<<10) /* Data set ready */
-#define UCR3_DCD (1<<9) /* Data carrier detect */
-#define UCR3_RI (1<<8) /* Ring indicator */
-#define UCR3_ADNIMP (1<<7) /* Autobaud Detection Not Improved */
-#define UCR3_RXDSEN (1<<6) /* Receive status interrupt enable */
-#define UCR3_AIRINTEN (1<<5) /* Async IR wake interrupt enable */
-#define UCR3_AWAKEN (1<<4) /* Async wake interrupt enable */
-#define UCR3_REF25 (1<<3) /* Ref freq 25 MHz (i.MXL / i.MX1) */
-#define UCR3_REF30 (1<<2) /* Ref Freq 30 MHz (i.MXL / i.MX1) */
-#define UCR3_RXDMUXSEL (1<<2) /* RXD Muxed input select (i.MX27) */
-#define UCR3_INVT (1<<1) /* Inverted Infrared transmission */
-#define UCR3_BPEN (1<<0) /* Preset registers enable */
-#define UCR4_CTSTL_32 (32<<10) /* CTS trigger level (32 chars) */
-#define UCR4_INVR (1<<9) /* Inverted infrared reception */
-#define UCR4_ENIRI (1<<8) /* Serial infrared interrupt enable */
-#define UCR4_WKEN (1<<7) /* Wake interrupt enable */
-#define UCR4_REF16 (1<<6) /* Ref freq 16 MHz */
-#define UCR4_IRSC (1<<5) /* IR special case */
-#define UCR4_TCEN (1<<3) /* Transmit complete interrupt enable */
-#define UCR4_BKEN (1<<2) /* Break condition interrupt enable */
-#define UCR4_OREN (1<<1) /* Receiver overrun interrupt enable */
-#define UCR4_DREN (1<<0) /* Recv data ready interrupt enable */
-#define UFCR_RXTL_SHF 0 /* Receiver trigger level shift */
-#define UFCR_RFDIV (7<<7) /* Reference freq divider mask */
-#define UFCR_TXTL_SHF 10 /* Transmitter trigger level shift */
-#define USR1_PARITYERR (1<<15) /* Parity error interrupt flag */
-#define USR1_RTSS (1<<14) /* RTS pin status */
-#define USR1_TRDY (1<<13) /* Transmitter ready interrupt/dma flag */
-#define USR1_RTSD (1<<12) /* RTS delta */
-#define USR1_ESCF (1<<11) /* Escape seq interrupt flag */
-#define USR1_FRAMERR (1<<10) /* Frame error interrupt flag */
-#define USR1_RRDY (1<<9) /* Receiver ready interrupt/dma flag */
-#define USR1_TIMEOUT (1<<7) /* Receive timeout interrupt status */
-#define USR1_RXDS (1<<6) /* Receiver idle interrupt flag */
-#define USR1_AIRINT (1<<5) /* Async IR wake interrupt flag */
-#define USR1_AWAKE (1<<4) /* Aysnc wake interrupt flag */
-#define USR2_ADET (1<<15) /* Auto baud rate detect complete */
-#define USR2_TXFE (1<<14) /* Transmit buffer FIFO empty */
-#define USR2_DTRF (1<<13) /* DTR edge interrupt flag */
-#define USR2_IDLE (1<<12) /* Idle condition */
-#define USR2_IRINT (1<<8) /* Serial infrared interrupt flag */
-#define USR2_WAKE (1<<7) /* Wake */
-#define USR2_RTSF (1<<4) /* RTS edge interrupt flag */
-#define USR2_TXDC (1<<3) /* Transmitter complete */
-#define USR2_BRCD (1<<2) /* Break condition */
-#define USR2_ORE (1<<1) /* Overrun error */
-#define USR2_RDR (1<<0) /* Recv data ready */
-#define UTS_FRCPERR (1<<13) /* Force parity error */
-#define UTS_LOOP (1<<12) /* Loop tx and rx */
-#define UTS_TXEMPTY (1<<6) /* TxFIFO empty */
-#define UTS_RXEMPTY (1<<5) /* RxFIFO empty */
-#define UTS_TXFULL (1<<4) /* TxFIFO full */
-#define UTS_RXFULL (1<<3) /* RxFIFO full */
-#define UTS_SOFTRST (1<<0) /* Software reset */
+#include <mach/serial.h>
/*
* create default values for different platforms
--
2.1.4
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