diff options
Diffstat (limited to 'arch/blackfin/mach-bf548')
4 files changed, 18 insertions, 144 deletions
diff --git a/arch/blackfin/mach-bf548/include/mach/bfin_serial.h b/arch/blackfin/mach-bf548/include/mach/bfin_serial.h new file mode 100644 index 0000000..a77109f --- /dev/null +++ b/arch/blackfin/mach-bf548/include/mach/bfin_serial.h @@ -0,0 +1,16 @@ +/* + * mach/bfin_serial.h - Blackfin UART/Serial definitions + * + * Copyright 2006-2010 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __BFIN_MACH_SERIAL_H__ +#define __BFIN_MACH_SERIAL_H__ + +#define BFIN_UART_NR_PORTS 4 + +#define BFIN_UART_BF54X_STYLE + +#endif diff --git a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h index dd44aa7..0d94eda 100644 --- a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h @@ -4,72 +4,14 @@ * Licensed under the GPL-2 or later. */ -#include <linux/serial.h> #include <asm/dma.h> #include <asm/portmux.h> -#define UART_GET_CHAR(uart) bfin_read16(((uart)->port.membase + OFFSET_RBR)) -#define UART_GET_DLL(uart) bfin_read16(((uart)->port.membase + OFFSET_DLL)) -#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH)) -#define UART_GET_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER_SET)) -#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR)) -#define UART_GET_LSR(uart) bfin_read16(((uart)->port.membase + OFFSET_LSR)) -#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL)) -#define UART_GET_MSR(uart) bfin_read16(((uart)->port.membase + OFFSET_MSR)) -#define UART_GET_MCR(uart) bfin_read16(((uart)->port.membase + OFFSET_MCR)) - -#define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_THR),v) -#define UART_PUT_DLL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLL),v) -#define UART_SET_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER_SET),v) -#define UART_CLEAR_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER_CLEAR),v) -#define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLH),v) -#define UART_PUT_LSR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LSR),v) -#define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v) -#define UART_CLEAR_LSR(uart) bfin_write16(((uart)->port.membase + OFFSET_LSR), -1) -#define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v) -#define UART_PUT_MCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_MCR),v) -#define UART_CLEAR_SCTS(uart) bfin_write16(((uart)->port.membase + OFFSET_MSR),SCTS) - -#define UART_SET_DLAB(uart) /* MMRs not muxed on BF54x */ -#define UART_CLEAR_DLAB(uart) /* MMRs not muxed on BF54x */ - -#define UART_GET_CTS(x) (UART_GET_MSR(x) & CTS) -#define UART_DISABLE_RTS(x) UART_PUT_MCR(x, UART_GET_MCR(x) & ~(ARTS|MRTS)) -#define UART_ENABLE_RTS(x) UART_PUT_MCR(x, UART_GET_MCR(x) | MRTS | ARTS) -#define UART_ENABLE_INTS(x, v) UART_SET_IER(x, v) -#define UART_DISABLE_INTS(x) UART_CLEAR_IER(x, 0xF) - #if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS) || \ defined(CONFIG_BFIN_UART2_CTSRTS) || defined(CONFIG_BFIN_UART3_CTSRTS) # define CONFIG_SERIAL_BFIN_HARD_CTSRTS #endif -#define BFIN_UART_TX_FIFO_SIZE 2 - -/* - * The pin configuration is different from schematic - */ -struct bfin_serial_port { - struct uart_port port; - unsigned int old_status; - int status_irq; -#ifdef CONFIG_SERIAL_BFIN_DMA - int tx_done; - int tx_count; - struct circ_buf rx_dma_buf; - struct timer_list rx_dma_timer; - int rx_dma_nrows; - unsigned int tx_dma_channel; - unsigned int rx_dma_channel; - struct work_struct tx_dma_workqueue; -#endif -#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS - int scts; - int cts_pin; - int rts_pin; -#endif -}; - struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -148,3 +90,5 @@ struct bfin_serial_res bfin_serial_resource[] = { }; #define DRIVER_NAME "bfin-uart" + +#include <asm/bfin_serial.h> diff --git a/arch/blackfin/mach-bf548/include/mach/blackfin.h b/arch/blackfin/mach-bf548/include/mach/blackfin.h index 5684030..bbdcde4 100644 --- a/arch/blackfin/mach-bf548/include/mach/blackfin.h +++ b/arch/blackfin/mach-bf548/include/mach/blackfin.h @@ -49,19 +49,4 @@ #endif -#define BFIN_UART_NR_PORTS 4 - -#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */ -#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */ -#define OFFSET_GCTL 0x08 /* Global Control Register */ -#define OFFSET_LCR 0x0C /* Line Control Register */ -#define OFFSET_MCR 0x10 /* Modem Control Register */ -#define OFFSET_LSR 0x14 /* Line Status Register */ -#define OFFSET_MSR 0x18 /* Modem Status Register */ -#define OFFSET_SCR 0x1C /* SCR Scratch Register */ -#define OFFSET_IER_SET 0x20 /* Set Interrupt Enable Register */ -#define OFFSET_IER_CLEAR 0x24 /* Clear Interrupt Enable Register */ -#define OFFSET_THR 0x28 /* Transmit Holding register */ -#define OFFSET_RBR 0x2C /* Receive Buffer register */ - #endif diff --git a/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h b/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h index 78f9110..3d751f1 100644 --- a/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h +++ b/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h @@ -2172,68 +2172,6 @@ #define RCVDATA16 0xffff /* Receive FIFO 16-Bit Data */ -/* Bit masks for UARTx_LCR */ - -#if 0 -/* conflicts with legacy one in last section */ -#define WLS 0x3 /* Word Length Select */ -#endif -#define STB 0x4 /* Stop Bits */ -#define PEN 0x8 /* Parity Enable */ -#define EPS 0x10 /* Even Parity Select */ -#define STP 0x20 /* Sticky Parity */ -#define SB 0x40 /* Set Break */ - -/* Bit masks for UARTx_MCR */ - -#define XOFF 0x1 /* Transmitter Off */ -#define MRTS 0x2 /* Manual Request To Send */ -#define RFIT 0x4 /* Receive FIFO IRQ Threshold */ -#define RFRT 0x8 /* Receive FIFO RTS Threshold */ -#define LOOP_ENA 0x10 /* Loopback Mode Enable */ -#define FCPOL 0x20 /* Flow Control Pin Polarity */ -#define ARTS 0x40 /* Automatic Request To Send */ -#define ACTS 0x80 /* Automatic Clear To Send */ - -/* Bit masks for UARTx_LSR */ - -#define DR 0x1 /* Data Ready */ -#define OE 0x2 /* Overrun Error */ -#define PE 0x4 /* Parity Error */ -#define FE 0x8 /* Framing Error */ -#define BI 0x10 /* Break Interrupt */ -#define THRE 0x20 /* THR Empty */ -#define TEMT 0x40 /* Transmitter Empty */ -#define TFI 0x80 /* Transmission Finished Indicator */ - -/* Bit masks for UARTx_MSR */ - -#define SCTS 0x1 /* Sticky CTS */ -#define CTS 0x10 /* Clear To Send */ -#define RFCS 0x20 /* Receive FIFO Count Status */ - -/* Bit masks for UARTx_IER_SET & UARTx_IER_CLEAR */ - -#define ERBFI 0x1 /* Enable Receive Buffer Full Interrupt */ -#define ETBEI 0x2 /* Enable Transmit Buffer Empty Interrupt */ -#define ELSI 0x4 /* Enable Receive Status Interrupt */ -#define EDSSI 0x8 /* Enable Modem Status Interrupt */ -#define EDTPTI 0x10 /* Enable DMA Transmit PIRQ Interrupt */ -#define ETFI 0x20 /* Enable Transmission Finished Interrupt */ -#define ERFCI 0x40 /* Enable Receive FIFO Count Interrupt */ - -/* Bit masks for UARTx_GCTL */ - -#define UCEN 0x1 /* UART Enable */ -#define IREN 0x2 /* IrDA Mode Enable */ -#define TPOLC 0x4 /* IrDA TX Polarity Change */ -#define RPOLC 0x8 /* IrDA RX Polarity Change */ -#define FPE 0x10 /* Force Parity Error */ -#define FFE 0x20 /* Force Framing Error */ -#define EDBO 0x40 /* Enable Divide-by-One */ -#define EGLSI 0x80 /* Enable Global LS Interrupt */ - - /* ******************************************* */ /* MULTI BIT MACRO ENUMERATIONS */ /* ******************************************* */ @@ -2251,13 +2189,6 @@ #define WDTH_CAP 0x0002 #define EXT_CLK 0x0003 -/* UARTx_LCR bit field options */ - -#define WLS_5 0x0000 /* 5 data bits */ -#define WLS_6 0x0001 /* 6 data bits */ -#define WLS_7 0x0002 /* 7 data bits */ -#define WLS_8 0x0003 /* 8 data bits */ - /* PINTx Register Bit Definitions */ #define PIQ0 0x00000001 @@ -2706,8 +2637,6 @@ PORTJ_FER registers /* for legacy compatibility */ -#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */ -#define W1LMAX_MAX W1LMAX_MIN #define EBIU_AMCBCTL0 EBIU_AMBCTL0 #define EBIU_AMCBCTL1 EBIU_AMBCTL1 #define PINT0_IRQ PINT0_REQUEST |
