diff options
Diffstat (limited to 'arch/blackfin')
29 files changed, 377 insertions, 1024 deletions
diff --git a/arch/blackfin/include/asm/bfin_serial.h b/arch/blackfin/include/asm/bfin_serial.h new file mode 100644 index 0000000..e9510ea --- /dev/null +++ b/arch/blackfin/include/asm/bfin_serial.h @@ -0,0 +1,263 @@ +/* + * bfin_serial.h - Blackfin UART/Serial definitions + * + * Copyright 2006-2010 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __BFIN_ASM_SERIAL_H__ +#define __BFIN_ASM_SERIAL_H__ + +#include <linux/serial_core.h> +#include <mach/anomaly.h> +#include <mach/bfin_serial.h> + +struct circ_buf; +struct timer_list; +struct work_struct; + +struct bfin_serial_port { + struct uart_port port; + unsigned int old_status; + int status_irq; +#ifndef BFIN_UART_BF54X_STYLE + unsigned int lsr; +#endif +#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; +#elif ANOMALY_05000363 + unsigned int anomaly_threshold; +#endif +#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS + int scts; +#endif +#if defined(CONFIG_SERIAL_BFIN_CTSRTS) || \ + defined(CONFIG_SERIAL_BFIN_HARD_CTSRTS) + int cts_pin; + int rts_pin; +#endif +}; + +/* UART_LCR Masks */ +#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */ +#define STB 0x04 /* Stop Bits */ +#define PEN 0x08 /* Parity Enable */ +#define EPS 0x10 /* Even Parity Select */ +#define STP 0x20 /* Stick Parity */ +#define SB 0x40 /* Set Break */ +#define DLAB 0x80 /* Divisor Latch Access */ + +/* UART_LSR Masks */ +#define DR 0x01 /* Data Ready */ +#define OE 0x02 /* Overrun Error */ +#define PE 0x04 /* Parity Error */ +#define FE 0x08 /* Framing Error */ +#define BI 0x10 /* Break Interrupt */ +#define THRE 0x20 /* THR Empty */ +#define TEMT 0x40 /* TSR and UART_THR Empty */ +#define TFI 0x80 /* Transmission Finished Indicator */ + +/* UART_IER Masks */ +#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */ +#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */ +#define ELSI 0x04 /* Enable RX Status Interrupt */ +#define EDSSI 0x08 /* 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 */ + +/* UART_MCR Masks */ +#define XOFF 0x01 /* Transmitter Off */ +#define MRTS 0x02 /* Manual Request To Send */ +#define RFIT 0x04 /* Receive FIFO IRQ Threshold */ +#define RFRT 0x08 /* 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 */ + +/* UART_MSR Masks */ +#define SCTS 0x01 /* Sticky CTS */ +#define CTS 0x10 /* Clear To Send */ +#define RFCS 0x20 /* Receive FIFO Count Status */ + +/* UART_GCTL Masks */ +#define UCEN 0x01 /* Enable UARTx Clocks */ +#define IREN 0x02 /* Enable IrDA Mode */ +#define TPOLC 0x04 /* IrDA TX Polarity Change */ +#define RPOLC 0x08 /* IrDA RX Polarity Change */ +#define FPE 0x10 /* Force Parity Error On Transmit */ +#define FFE 0x20 /* Force Framing Error On Transmit */ + +#ifdef BFIN_UART_BF54X_STYLE +# 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 */ +#else /* BF533 style */ +# define OFFSET_THR 0x00 /* Transmit Holding register */ +# define OFFSET_RBR 0x00 /* Receive Buffer register */ +# define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */ +# define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */ +# define OFFSET_IER 0x04 /* Interrupt Enable Register */ +# define OFFSET_IIR 0x08 /* Interrupt Identification 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_GCTL 0x24 /* Global Control Register */ +/* code should not need IIR, so force build error if they use it */ +# undef OFFSET_IIR +#endif + +/* + * All Blackfin system MMRs are padded to 32bits even if the register + * itself is only 16bits. So use a helper macro to streamline this. + */ +#define __BFP(m) u16 m; u16 __pad_##m +struct bfin_uart_regs { +#ifdef BFIN_UART_BF54X_STYLE + __BFP(dll); + __BFP(dlh); + __BFP(gctl); + __BFP(lcr); + __BFP(mcr); + __BFP(lsr); + __BFP(msr); + __BFP(scr); + __BFP(ier_set); + __BFP(ier_clear); + __BFP(thr); + __BFP(rbr); +#else + union { + u16 dll; + u16 thr; + const u16 rbr; + }; + const u16 __pad0; + union { + u16 dlh; + u16 ier; + }; + const u16 __pad1; + const __BFP(iir); + __BFP(lcr); + __BFP(mcr); + __BFP(lsr); + __BFP(msr); + __BFP(scr); + const u32 __pad2; + __BFP(gctl); +#endif +}; +#undef __BFP + +#ifndef port_membase +# define port_membase(p) (((struct bfin_serial_port *)(p))->port.membase) +#endif + +#define UART_GET_CHAR(p) bfin_read16(port_membase(p) + OFFSET_RBR) +#define UART_GET_DLL(p) bfin_read16(port_membase(p) + OFFSET_DLL) +#define UART_GET_DLH(p) bfin_read16(port_membase(p) + OFFSET_DLH) +#define UART_GET_GCTL(p) bfin_read16(port_membase(p) + OFFSET_GCTL) +#define UART_GET_LCR(p) bfin_read16(port_membase(p) + OFFSET_LCR) +#define UART_GET_MCR(p) bfin_read16(port_membase(p) + OFFSET_MCR) +#define UART_GET_MSR(p) bfin_read16(port_membase(p) + OFFSET_MSR) + +#define UART_PUT_CHAR(p, v) bfin_write16(port_membase(p) + OFFSET_THR, v) +#define UART_PUT_DLL(p, v) bfin_write16(port_membase(p) + OFFSET_DLL, v) +#define UART_PUT_DLH(p, v) bfin_write16(port_membase(p) + OFFSET_DLH, v) +#define UART_PUT_GCTL(p, v) bfin_write16(port_membase(p) + OFFSET_GCTL, v) +#define UART_PUT_LCR(p, v) bfin_write16(port_membase(p) + OFFSET_LCR, v) +#define UART_PUT_MCR(p, v) bfin_write16(port_membase(p) + OFFSET_MCR, v) + +#ifdef BFIN_UART_BF54X_STYLE + +#define UART_CLEAR_IER(p, v) bfin_write16(port_membase(p) + OFFSET_IER_CLEAR, v) +#define UART_GET_IER(p) bfin_read16(port_membase(p) + OFFSET_IER_SET) +#define UART_SET_IER(p, v) bfin_write16(port_membase(p) + OFFSET_IER_SET, v) + +#define UART_CLEAR_DLAB(p) /* MMRs not muxed on BF54x */ +#define UART_SET_DLAB(p) /* MMRs not muxed on BF54x */ + +#define UART_CLEAR_LSR(p) bfin_write16(port_membase(p) + OFFSET_LSR, -1) +#define UART_GET_LSR(p) bfin_read16(port_membase(p) + OFFSET_LSR) +#define UART_PUT_LSR(p, v) bfin_write16(port_membase(p) + OFFSET_LSR, v) + +/* This handles hard CTS/RTS */ +#define UART_CLEAR_SCTS(p) bfin_write16((port_membase(p) + OFFSET_MSR), SCTS) +#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) + +#else /* BF533 style */ + +#define UART_CLEAR_IER(p, v) UART_PUT_IER(p, UART_GET_IER(p) & ~(v)) +#define UART_GET_IER(p) bfin_read16(port_membase(p) + OFFSET_IER) +#define UART_PUT_IER(p, v) bfin_write16(port_membase(p) + OFFSET_IER, v) +#define UART_SET_IER(p, v) UART_PUT_IER(p, UART_GET_IER(p) | (v)) + +#define UART_CLEAR_DLAB(p) do { UART_PUT_LCR(p, UART_GET_LCR(p) & ~DLAB); SSYNC(); } while (0) +#define UART_SET_DLAB(p) do { UART_PUT_LCR(p, UART_GET_LCR(p) | DLAB); SSYNC(); } while (0) + +#ifndef put_lsr_cache +# define put_lsr_cache(p, v) (((struct bfin_serial_port *)(p))->lsr = (v)) +#endif +#ifndef get_lsr_cache +# define get_lsr_cache(p) (((struct bfin_serial_port *)(p))->lsr) +#endif + +/* The hardware clears the LSR bits upon read, so we need to cache + * some of the more fun bits in software so they don't get lost + * when checking the LSR in other code paths (TX). + */ +static inline void UART_CLEAR_LSR(void *p) +{ + put_lsr_cache(p, 0); + bfin_write16(port_membase(p) + OFFSET_LSR, -1); +} +static inline unsigned int UART_GET_LSR(void *p) +{ + unsigned int lsr = bfin_read16(port_membase(p) + OFFSET_LSR); + put_lsr_cache(p, get_lsr_cache(p) | (lsr & (BI|FE|PE|OE))); + return lsr | get_lsr_cache(p); +} +static inline void UART_PUT_LSR(void *p, uint16_t val) +{ + put_lsr_cache(p, get_lsr_cache(p) & ~val); +} + +/* This handles soft CTS/RTS */ +#define UART_GET_CTS(x) gpio_get_value((x)->cts_pin) +#define UART_DISABLE_RTS(x) gpio_set_value((x)->rts_pin, 1) +#define UART_ENABLE_RTS(x) gpio_set_value((x)->rts_pin, 0) +#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v) +#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0) + +#endif + +#ifndef BFIN_UART_TX_FIFO_SIZE +# define BFIN_UART_TX_FIFO_SIZE 2 +#endif + +#endif /* __BFIN_ASM_SERIAL_H__ */ diff --git a/arch/blackfin/mach-bf518/include/mach/bfin_serial.h b/arch/blackfin/mach-bf518/include/mach/bfin_serial.h new file mode 100644 index 0000000..00c603f --- /dev/null +++ b/arch/blackfin/mach-bf518/include/mach/bfin_serial.h @@ -0,0 +1,14 @@ +/* + * 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 2 + +#endif diff --git a/arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h index 970d310..f6d924a 100644 --- a/arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h @@ -4,36 +4,9 @@ * 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_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER)) -#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH)) -#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR)) -#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR)) -#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL)) - -#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_PUT_IER(uart, v) bfin_write16(((uart)->port.membase + OFFSET_IER), v) -#define UART_SET_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v)) -#define UART_CLEAR_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v)) -#define UART_PUT_DLH(uart, v) bfin_write16(((uart)->port.membase + OFFSET_DLH), v) -#define UART_PUT_LCR(uart, v) bfin_write16(((uart)->port.membase + OFFSET_LCR), v) -#define UART_PUT_GCTL(uart, v) bfin_write16(((uart)->port.membase + OFFSET_GCTL), v) - -#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0) -#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0) - -#define UART_GET_CTS(x) gpio_get_value(x->cts_pin) -#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1) -#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0) -#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v) -#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0) - #if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS) # define CONFIG_SERIAL_BFIN_CTSRTS @@ -54,50 +27,6 @@ # endif #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; - unsigned int lsr; -#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_CTSRTS - struct timer_list cts_timer; - int cts_pin; - int rts_pin; -#endif -}; - -/* The hardware clears the LSR bits upon read, so we need to cache - * some of the more fun bits in software so they don't get lost - * when checking the LSR in other code paths (TX). - */ -static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart) -{ - unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR); - uart->lsr |= (lsr & (BI|FE|PE|OE)); - return lsr | uart->lsr; -} - -static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) -{ - uart->lsr = 0; - bfin_write16(uart->port.membase + OFFSET_LSR, -1); -} - struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -146,3 +75,5 @@ struct bfin_serial_res bfin_serial_resource[] = { }; #define DRIVER_NAME "bfin-uart" + +#include <asm/bfin_serial.h> diff --git a/arch/blackfin/mach-bf518/include/mach/blackfin.h b/arch/blackfin/mach-bf518/include/mach/blackfin.h index 9053462..3ddc978 100644 --- a/arch/blackfin/mach-bf518/include/mach/blackfin.h +++ b/arch/blackfin/mach-bf518/include/mach/blackfin.h @@ -43,19 +43,4 @@ #endif #endif -#define BFIN_UART_NR_PORTS 2 - -#define OFFSET_THR 0x00 /* Transmit Holding register */ -#define OFFSET_RBR 0x00 /* Receive Buffer register */ -#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */ -#define OFFSET_IER 0x04 /* Interrupt Enable Register */ -#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */ -#define OFFSET_IIR 0x08 /* Interrupt Identification 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_GCTL 0x24 /* Global Control Register */ - #endif diff --git a/arch/blackfin/mach-bf518/include/mach/defBF51x_base.h b/arch/blackfin/mach-bf518/include/mach/defBF51x_base.h index 5f84913..e816c63 100644 --- a/arch/blackfin/mach-bf518/include/mach/defBF51x_base.h +++ b/arch/blackfin/mach-bf518/include/mach/defBF51x_base.h @@ -703,51 +703,6 @@ #define IWR_ENABLE(x) (1 << ((x)&0x1F)) /* Wakeup Enable Peripheral #x */ #define IWR_DISABLE(x) (0xFFFFFFFF ^ (1 << ((x)&0x1F))) /* Wakeup Disable Peripheral #x */ - -/* ************** UART CONTROLLER MASKS *************************/ -/* UARTx_LCR Masks */ -#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */ -#define STB 0x04 /* Stop Bits */ -#define PEN 0x08 /* Parity Enable */ -#define EPS 0x10 /* Even Parity Select */ -#define STP 0x20 /* Stick Parity */ -#define SB 0x40 /* Set Break */ -#define DLAB 0x80 /* Divisor Latch Access */ - -/* UARTx_MCR Mask */ -#define LOOP_ENA 0x10 /* Loopback Mode Enable */ -#define LOOP_ENA_P 0x04 - -/* UARTx_LSR Masks */ -#define DR 0x01 /* Data Ready */ -#define OE 0x02 /* Overrun Error */ -#define PE 0x04 /* Parity Error */ -#define FE 0x08 /* Framing Error */ -#define BI 0x10 /* Break Interrupt */ -#define THRE 0x20 /* THR Empty */ -#define TEMT 0x40 /* TSR and UART_THR Empty */ - -/* UARTx_IER Masks */ -#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */ -#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */ -#define ELSI 0x04 /* Enable RX Status Interrupt */ - -/* UARTx_IIR Masks */ -#define NINT 0x01 /* Pending Interrupt */ -#define IIR_TX_READY 0x02 /* UART_THR empty */ -#define IIR_RX_READY 0x04 /* Receive data ready */ -#define IIR_LINE_CHANGE 0x06 /* Receive line status */ -#define IIR_STATUS 0x06 /* Highest Priority Pending Interrupt */ - -/* UARTx_GCTL Masks */ -#define UCEN 0x01 /* Enable UARTx Clocks */ -#define IREN 0x02 /* Enable IrDA Mode */ -#define TPOLC 0x04 /* IrDA TX Polarity Change */ -#define RPOLC 0x08 /* IrDA RX Polarity Change */ -#define FPE 0x10 /* Force Parity Error On Transmit */ -#define FFE 0x20 /* Force Framing Error On Transmit */ - - /* **************** GENERAL PURPOSE TIMER MASKS **********************/ /* TIMER_ENABLE Masks */ #define TIMEN0 0x0001 /* Enable Timer 0 */ diff --git a/arch/blackfin/mach-bf527/include/mach/bfin_serial.h b/arch/blackfin/mach-bf527/include/mach/bfin_serial.h new file mode 100644 index 0000000..00c603f --- /dev/null +++ b/arch/blackfin/mach-bf527/include/mach/bfin_serial.h @@ -0,0 +1,14 @@ +/* + * 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 2 + +#endif diff --git a/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h index c1d55b8..960e089 100644 --- a/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h @@ -4,36 +4,9 @@ * 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_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER)) -#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH)) -#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR)) -#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR)) -#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL)) - -#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_PUT_IER(uart, v) bfin_write16(((uart)->port.membase + OFFSET_IER), v) -#define UART_SET_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v)) -#define UART_CLEAR_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v)) -#define UART_PUT_DLH(uart, v) bfin_write16(((uart)->port.membase + OFFSET_DLH), v) -#define UART_PUT_LCR(uart, v) bfin_write16(((uart)->port.membase + OFFSET_LCR), v) -#define UART_PUT_GCTL(uart, v) bfin_write16(((uart)->port.membase + OFFSET_GCTL), v) - -#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0) -#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0) - -#define UART_GET_CTS(x) gpio_get_value(x->cts_pin) -#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1) -#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0) -#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v) -#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0) - #if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS) # define CONFIG_SERIAL_BFIN_CTSRTS @@ -54,50 +27,6 @@ # endif #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; - unsigned int lsr; -#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_CTSRTS - struct timer_list cts_timer; - int cts_pin; - int rts_pin; -#endif -}; - -/* The hardware clears the LSR bits upon read, so we need to cache - * some of the more fun bits in software so they don't get lost - * when checking the LSR in other code paths (TX). - */ -static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart) -{ - unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR); - uart->lsr |= (lsr & (BI|FE|PE|OE)); - return lsr | uart->lsr; -} - -static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) -{ - uart->lsr = 0; - bfin_write16(uart->port.membase + OFFSET_LSR, -1); -} - struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -146,3 +75,5 @@ struct bfin_serial_res bfin_serial_resource[] = { }; #define DRIVER_NAME "bfin-uart" + +#include <asm/bfin_serial.h> diff --git a/arch/blackfin/mach-bf527/include/mach/blackfin.h b/arch/blackfin/mach-bf527/include/mach/blackfin.h index f714c5d..1ede5e1 100644 --- a/arch/blackfin/mach-bf527/include/mach/blackfin.h +++ b/arch/blackfin/mach-bf527/include/mach/blackfin.h @@ -31,19 +31,4 @@ #endif #endif -#define BFIN_UART_NR_PORTS 2 - -#define OFFSET_THR 0x00 /* Transmit Holding register */ -#define OFFSET_RBR 0x00 /* Receive Buffer register */ -#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */ -#define OFFSET_IER 0x04 /* Interrupt Enable Register */ -#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */ -#define OFFSET_IIR 0x08 /* Interrupt Identification 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_GCTL 0x24 /* Global Control Register */ - #endif diff --git a/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h b/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h index 0947503..d2594f3 100644 --- a/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h +++ b/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h @@ -704,51 +704,6 @@ #define IWR_ENABLE(x) (1 << ((x)&0x1F)) /* Wakeup Enable Peripheral #x */ #define IWR_DISABLE(x) (0xFFFFFFFF ^ (1 << ((x)&0x1F))) /* Wakeup Disable Peripheral #x */ - -/* ************** UART CONTROLLER MASKS *************************/ -/* UARTx_LCR Masks */ -#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */ -#define STB 0x04 /* Stop Bits */ -#define PEN 0x08 /* Parity Enable */ -#define EPS 0x10 /* Even Parity Select */ -#define STP 0x20 /* Stick Parity */ -#define SB 0x40 /* Set Break */ -#define DLAB 0x80 /* Divisor Latch Access */ - -/* UARTx_MCR Mask */ -#define LOOP_ENA 0x10 /* Loopback Mode Enable */ -#define LOOP_ENA_P 0x04 - -/* UARTx_LSR Masks */ -#define DR 0x01 /* Data Ready */ -#define OE 0x02 /* Overrun Error */ -#define PE 0x04 /* Parity Error */ -#define FE 0x08 /* Framing Error */ -#define BI 0x10 /* Break Interrupt */ -#define THRE 0x20 /* THR Empty */ -#define TEMT 0x40 /* TSR and UART_THR Empty */ - -/* UARTx_IER Masks */ -#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */ -#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */ -#define ELSI 0x04 /* Enable RX Status Interrupt */ - -/* UARTx_IIR Masks */ -#define NINT 0x01 /* Pending Interrupt */ -#define IIR_TX_READY 0x02 /* UART_THR empty */ -#define IIR_RX_READY 0x04 /* Receive data ready */ -#define IIR_LINE_CHANGE 0x06 /* Receive line status */ -#define IIR_STATUS 0x06 /* Highest Priority Pending Interrupt */ - -/* UARTx_GCTL Masks */ -#define UCEN 0x01 /* Enable UARTx Clocks */ -#define IREN 0x02 /* Enable IrDA Mode */ -#define TPOLC 0x04 /* IrDA TX Polarity Change */ -#define RPOLC 0x08 /* IrDA RX Polarity Change */ -#define FPE 0x10 /* Force Parity Error On Transmit */ -#define FFE 0x20 /* Force Framing Error On Transmit */ - - /* **************** GENERAL PURPOSE TIMER MASKS **********************/ /* TIMER_ENABLE Masks */ #define TIMEN0 0x0001 /* Enable Timer 0 */ diff --git a/arch/blackfin/mach-bf533/include/mach/bfin_serial.h b/arch/blackfin/mach-bf533/include/mach/bfin_serial.h new file mode 100644 index 0000000..08072c8 --- /dev/null +++ b/arch/blackfin/mach-bf533/include/mach/bfin_serial.h @@ -0,0 +1,14 @@ +/* + * 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 1 + +#endif diff --git a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h index 9e1f3de..45dcaa4 100644 --- a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h @@ -4,36 +4,9 @@ * 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_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER)) -#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH)) -#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR)) -#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR)) -#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL)) - -#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_PUT_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER),v) -#define UART_SET_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v)) -#define UART_CLEAR_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v)) -#define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLH),v) -#define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v) -#define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v) - -#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0) -#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0) - -#define UART_GET_CTS(x) gpio_get_value(x->cts_pin) -#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1) -#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0) -#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v) -#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0) - #ifdef CONFIG_BFIN_UART0_CTSRTS # define CONFIG_SERIAL_BFIN_CTSRTS # ifndef CONFIG_UART0_CTS_PIN @@ -44,51 +17,6 @@ # endif #endif -#define BFIN_UART_TX_FIFO_SIZE 2 - -struct bfin_serial_port { - struct uart_port port; - unsigned int old_status; - int status_irq; - unsigned int lsr; -#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; -#else -# if ANOMALY_05000363 - unsigned int anomaly_threshold; -# endif -#endif -#ifdef CONFIG_SERIAL_BFIN_CTSRTS - struct timer_list cts_timer; - int cts_pin; - int rts_pin; -#endif -}; - -/* The hardware clears the LSR bits upon read, so we need to cache - * some of the more fun bits in software so they don't get lost - * when checking the LSR in other code paths (TX). - */ -static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart) -{ - unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR); - uart->lsr |= (lsr & (BI|FE|PE|OE)); - return lsr | uart->lsr; -} - -static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) -{ - uart->lsr = 0; - bfin_write16(uart->port.membase + OFFSET_LSR, -1); -} - struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -120,3 +48,5 @@ struct bfin_serial_res bfin_serial_resource[] = { }; #define DRIVER_NAME "bfin-uart" + +#include <asm/bfin_serial.h> diff --git a/arch/blackfin/mach-bf533/include/mach/blackfin.h b/arch/blackfin/mach-bf533/include/mach/blackfin.h index f4bd6df..d1dd917 100644 --- a/arch/blackfin/mach-bf533/include/mach/blackfin.h +++ b/arch/blackfin/mach-bf533/include/mach/blackfin.h @@ -17,19 +17,4 @@ #include "cdefBF532.h" #endif -#define BFIN_UART_NR_PORTS 1 - -#define OFFSET_THR 0x00 /* Transmit Holding register */ -#define OFFSET_RBR 0x00 /* Receive Buffer register */ -#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */ -#define OFFSET_IER 0x04 /* Interrupt Enable Register */ -#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */ -#define OFFSET_IIR 0x08 /* Interrupt Identification 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_GCTL 0x24 /* Global Control Register */ - #endif /* _MACH_BLACKFIN_H_ */ diff --git a/arch/blackfin/mach-bf533/include/mach/defBF532.h b/arch/blackfin/mach-bf533/include/mach/defBF532.h index 3adb0b4..8e8099b 100644 --- a/arch/blackfin/mach-bf533/include/mach/defBF532.h +++ b/arch/blackfin/mach-bf533/include/mach/defBF532.h @@ -432,83 +432,6 @@ #define IWR_ENABLE(x) (1 << (x)) /* Wakeup Enable Peripheral #x */ #define IWR_DISABLE(x) (0xFFFFFFFF ^ (1 << (x))) /* Wakeup Disable Peripheral #x */ -/* ***************************** UART CONTROLLER MASKS ********************** */ - -/* UART_LCR Register */ - -#define DLAB 0x80 -#define SB 0x40 -#define STP 0x20 -#define EPS 0x10 -#define PEN 0x08 -#define STB 0x04 -#define WLS(x) ((x-5) & 0x03) - -#define DLAB_P 0x07 -#define SB_P 0x06 -#define STP_P 0x05 -#define EPS_P 0x04 -#define PEN_P 0x03 -#define STB_P 0x02 -#define WLS_P1 0x01 -#define WLS_P0 0x00 - -/* UART_MCR Register */ -#define LOOP_ENA 0x10 -#define LOOP_ENA_P 0x04 - -/* UART_LSR Register */ -#define TEMT 0x40 -#define THRE 0x20 -#define BI 0x10 -#define FE 0x08 -#define PE 0x04 -#define OE 0x02 -#define DR 0x01 - -#define TEMP_P 0x06 -#define THRE_P 0x05 -#define BI_P 0x04 -#define FE_P 0x03 -#define PE_P 0x02 -#define OE_P 0x01 -#define DR_P 0x00 - -/* UART_IER Register */ -#define ELSI 0x04 -#define ETBEI 0x02 -#define ERBFI 0x01 - -#define ELSI_P 0x02 -#define ETBEI_P 0x01 -#define ERBFI_P 0x00 - -/* UART_IIR Register */ -#define STATUS(x) ((x << 1) & 0x06) -#define NINT 0x01 -#define STATUS_P1 0x02 -#define STATUS_P0 0x01 -#define NINT_P 0x00 -#define IIR_TX_READY 0x02 /* UART_THR empty */ -#define IIR_RX_READY 0x04 /* Receive data ready */ -#define IIR_LINE_CHANGE 0x06 /* Receive line status */ -#define IIR_STATUS 0x06 - -/* UART_GCTL Register */ -#define FFE 0x20 -#define FPE 0x10 -#define RPOLC 0x08 -#define TPOLC 0x04 -#define IREN 0x02 -#define UCEN 0x01 - -#define FFE_P 0x05 -#define FPE_P 0x04 -#define RPOLC_P 0x03 -#define TPOLC_P 0x02 -#define IREN_P 0x01 -#define UCEN_P 0x00 - /* ********* PARALLEL PERIPHERAL INTERFACE (PPI) MASKS **************** */ /* PPI_CONTROL Masks */ diff --git a/arch/blackfin/mach-bf537/include/mach/bfin_serial.h b/arch/blackfin/mach-bf537/include/mach/bfin_serial.h new file mode 100644 index 0000000..00c603f --- /dev/null +++ b/arch/blackfin/mach-bf537/include/mach/bfin_serial.h @@ -0,0 +1,14 @@ +/* + * 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 2 + +#endif diff --git a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h index 635c91c..3e955db 100644 --- a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h @@ -4,36 +4,9 @@ * 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_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER)) -#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH)) -#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR)) -#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR)) -#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL)) - -#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_PUT_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER),v) -#define UART_SET_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v)) -#define UART_CLEAR_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v)) -#define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLH),v) -#define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v) -#define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v) - -#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0) -#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0) - -#define UART_GET_CTS(x) gpio_get_value(x->cts_pin) -#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1) -#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0) -#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v) -#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0) - #if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS) # define CONFIG_SERIAL_BFIN_CTSRTS @@ -54,49 +27,6 @@ # endif #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; - unsigned int lsr; -#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_CTSRTS - int cts_pin; - int rts_pin; -#endif -}; - -/* The hardware clears the LSR bits upon read, so we need to cache - * some of the more fun bits in software so they don't get lost - * when checking the LSR in other code paths (TX). - */ -static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart) -{ - unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR); - uart->lsr |= (lsr & (BI|FE|PE|OE)); - return lsr | uart->lsr; -} - -static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) -{ - uart->lsr = 0; - bfin_write16(uart->port.membase + OFFSET_LSR, -1); -} - struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -145,3 +75,5 @@ struct bfin_serial_res bfin_serial_resource[] = { }; #define DRIVER_NAME "bfin-uart" + +#include <asm/bfin_serial.h> diff --git a/arch/blackfin/mach-bf537/include/mach/blackfin.h b/arch/blackfin/mach-bf537/include/mach/blackfin.h index a12d4b6..1f8a41b 100644 --- a/arch/blackfin/mach-bf537/include/mach/blackfin.h +++ b/arch/blackfin/mach-bf537/include/mach/blackfin.h @@ -25,19 +25,4 @@ #endif #endif -#define BFIN_UART_NR_PORTS 2 - -#define OFFSET_THR 0x00 /* Transmit Holding register */ -#define OFFSET_RBR 0x00 /* Receive Buffer register */ -#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */ -#define OFFSET_IER 0x04 /* Interrupt Enable Register */ -#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */ -#define OFFSET_IIR 0x08 /* Interrupt Identification 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_GCTL 0x24 /* Global Control Register */ - #endif diff --git a/arch/blackfin/mach-bf537/include/mach/defBF534.h b/arch/blackfin/mach-bf537/include/mach/defBF534.h index 0323e6b..8ca84ed 100644 --- a/arch/blackfin/mach-bf537/include/mach/defBF534.h +++ b/arch/blackfin/mach-bf537/include/mach/defBF534.h @@ -1029,48 +1029,6 @@ #define IWR_ENABLE(x) (1 << ((x)&0x1F)) /* Wakeup Enable Peripheral #x */ #define IWR_DISABLE(x) (0xFFFFFFFF ^ (1 << ((x)&0x1F))) /* Wakeup Disable Peripheral #x */ -/* ************** UART CONTROLLER MASKS *************************/ -/* UARTx_LCR Masks */ -#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */ -#define STB 0x04 /* Stop Bits */ -#define PEN 0x08 /* Parity Enable */ -#define EPS 0x10 /* Even Parity Select */ -#define STP 0x20 /* Stick Parity */ -#define SB 0x40 /* Set Break */ -#define DLAB 0x80 /* Divisor Latch Access */ - -/* UARTx_MCR Mask */ -#define LOOP_ENA 0x10 /* Loopback Mode Enable */ -#define LOOP_ENA_P 0x04 -/* UARTx_LSR Masks */ -#define DR 0x01 /* Data Ready */ -#define OE 0x02 /* Overrun Error */ -#define PE 0x04 /* Parity Error */ -#define FE 0x08 /* Framing Error */ -#define BI 0x10 /* Break Interrupt */ -#define THRE 0x20 /* THR Empty */ -#define TEMT 0x40 /* TSR and UART_THR Empty */ - -/* UARTx_IER Masks */ -#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */ -#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */ -#define ELSI 0x04 /* Enable RX Status Interrupt */ - -/* UARTx_IIR Masks */ -#define NINT 0x01 /* Pending Interrupt */ -#define IIR_TX_READY 0x02 /* UART_THR empty */ -#define IIR_RX_READY 0x04 /* Receive data ready */ -#define IIR_LINE_CHANGE 0x06 /* Receive line status */ -#define IIR_STATUS 0x06 - -/* UARTx_GCTL Masks */ -#define UCEN 0x01 /* Enable UARTx Clocks */ -#define IREN 0x02 /* Enable IrDA Mode */ -#define TPOLC 0x04 /* IrDA TX Polarity Change */ -#define RPOLC 0x08 /* IrDA RX Polarity Change */ -#define FPE 0x10 /* Force Parity Error On Transmit */ -#define FFE 0x20 /* Force Framing Error On Transmit */ - /* **************** GENERAL PURPOSE TIMER MASKS **********************/ /* TIMER_ENABLE Masks */ #define TIMEN0 0x0001 /* Enable Timer 0 */ diff --git a/arch/blackfin/mach-bf538/include/mach/bfin_serial.h b/arch/blackfin/mach-bf538/include/mach/bfin_serial.h new file mode 100644 index 0000000..c66e276 --- /dev/null +++ b/arch/blackfin/mach-bf538/include/mach/bfin_serial.h @@ -0,0 +1,14 @@ +/* + * 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 3 + +#endif diff --git a/arch/blackfin/mach-bf538/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf538/include/mach/bfin_serial_5xx.h index 5c14814..beb502e 100644 --- a/arch/blackfin/mach-bf538/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf538/include/mach/bfin_serial_5xx.h @@ -4,36 +4,9 @@ * 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_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER)) -#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH)) -#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR)) -#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR)) -#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL)) - -#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_PUT_IER(uart, v) bfin_write16(((uart)->port.membase + OFFSET_IER), v) -#define UART_SET_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v)) -#define UART_CLEAR_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v)) -#define UART_PUT_DLH(uart, v) bfin_write16(((uart)->port.membase + OFFSET_DLH), v) -#define UART_PUT_LCR(uart, v) bfin_write16(((uart)->port.membase + OFFSET_LCR), v) -#define UART_PUT_GCTL(uart, v) bfin_write16(((uart)->port.membase + OFFSET_GCTL), v) - -#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0) -#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0) - -#define UART_GET_CTS(x) gpio_get_value(x->cts_pin) -#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1) -#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0) -#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v) -#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0) - #if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS) # define CONFIG_SERIAL_BFIN_CTSRTS @@ -54,50 +27,6 @@ # endif #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; - unsigned int lsr; -#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_CTSRTS - struct timer_list cts_timer; - int cts_pin; - int rts_pin; -#endif -}; - -/* The hardware clears the LSR bits upon read, so we need to cache - * some of the more fun bits in software so they don't get lost - * when checking the LSR in other code paths (TX). - */ -static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart) -{ - unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR); - uart->lsr |= (lsr & (BI|FE|PE|OE)); - return lsr | uart->lsr; -} - -static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) -{ - uart->lsr = 0; - bfin_write16(uart->port.membase + OFFSET_LSR, -1); -} - struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -160,3 +89,5 @@ struct bfin_serial_res bfin_serial_resource[] = { }; #define DRIVER_NAME "bfin-uart" + +#include <asm/bfin_serial.h> diff --git a/arch/blackfin/mach-bf538/include/mach/blackfin.h b/arch/blackfin/mach-bf538/include/mach/blackfin.h index 08b5eab..b82cb02 100644 --- a/arch/blackfin/mach-bf538/include/mach/blackfin.h +++ b/arch/blackfin/mach-bf538/include/mach/blackfin.h @@ -22,19 +22,4 @@ #endif #endif -#define BFIN_UART_NR_PORTS 3 - -#define OFFSET_THR 0x00 /* Transmit Holding register */ -#define OFFSET_RBR 0x00 /* Receive Buffer register */ -#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */ -#define OFFSET_IER 0x04 /* Interrupt Enable Register */ -#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */ -#define OFFSET_IIR 0x08 /* Interrupt Identification 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_GCTL 0x24 /* Global Control Register */ - #endif diff --git a/arch/blackfin/mach-bf538/include/mach/defBF539.h b/arch/blackfin/mach-bf538/include/mach/defBF539.h index 7a8ac5f..0ef05c9 100644 --- a/arch/blackfin/mach-bf538/include/mach/defBF539.h +++ b/arch/blackfin/mach-bf538/include/mach/defBF539.h @@ -1534,83 +1534,6 @@ #define IWR_DISABLE(x) (0xFFFFFFFF ^ (1 << ((x)&0x1F))) /* Wakeup Disable Peripheral #x */ #endif /* _MISRA_RULES */ - -/* ***************************** UART CONTROLLER MASKS ********************** */ -/* UARTx_LCR Register */ -#ifdef _MISRA_RULES -#define WLS(x) (((x)-5u) & 0x03u) /* Word Length Select */ -#else -#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */ -#endif /* _MISRA_RULES */ -#define STB 0x04 /* Stop Bits */ -#define PEN 0x08 /* Parity Enable */ -#define EPS 0x10 /* Even Parity Select */ -#define STP 0x20 /* Stick Parity */ -#define SB 0x40 /* Set Break */ -#define DLAB 0x80 /* Divisor Latch Access */ - -#define DLAB_P 0x07 -#define SB_P 0x06 -#define STP_P 0x05 -#define EPS_P 0x04 -#define PEN_P 0x03 -#define STB_P 0x02 -#define WLS_P1 0x01 -#define WLS_P0 0x00 - -/* UARTx_MCR Register */ -#define LOOP_ENA 0x10 /* Loopback Mode Enable */ -#define LOOP_ENA_P 0x04 -/* Deprecated UARTx_MCR Mask */ - -/* UARTx_LSR Register */ -#define DR 0x01 /* Data Ready */ -#define OE 0x02 /* Overrun Error */ -#define PE 0x04 /* Parity Error */ -#define FE 0x08 /* Framing Error */ -#define BI 0x10 /* Break Interrupt */ -#define THRE 0x20 /* THR Empty */ -#define TEMT 0x40 /* TSR and UART_THR Empty */ - -#define TEMP_P 0x06 -#define THRE_P 0x05 -#define BI_P 0x04 -#define FE_P 0x03 -#define PE_P 0x02 -#define OE_P 0x01 -#define DR_P 0x00 - -/* UARTx_IER Register */ -#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */ -#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */ -#define ELSI 0x04 /* Enable RX Status Interrupt */ - -#define ELSI_P 0x02 -#define ETBEI_P 0x01 -#define ERBFI_P 0x00 - -/* UARTx_IIR Register */ -#define NINT 0x01 -#define STATUS_P1 0x02 -#define STATUS_P0 0x01 -#define NINT_P 0x00 - -/* UARTx_GCTL Register */ -#define UCEN 0x01 /* Enable UARTx Clocks */ -#define IREN 0x02 /* Enable IrDA Mode */ -#define TPOLC 0x04 /* IrDA TX Polarity Change */ -#define RPOLC 0x08 /* IrDA RX Polarity Change */ -#define FPE 0x10 /* Force Parity Error On Transmit */ -#define FFE 0x20 /* Force Framing Error On Transmit */ - -#define FFE_P 0x05 -#define FPE_P 0x04 -#define RPOLC_P 0x03 -#define TPOLC_P 0x02 -#define IREN_P 0x01 -#define UCEN_P 0x00 - - /* ********* PARALLEL PERIPHERAL INTERFACE (PPI) MASKS **************** */ /* PPI_CONTROL Masks */ #define PORT_EN 0x0001 /* PPI Port Enable */ 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 diff --git a/arch/blackfin/mach-bf561/include/mach/bfin_serial.h b/arch/blackfin/mach-bf561/include/mach/bfin_serial.h new file mode 100644 index 0000000..08072c8 --- /dev/null +++ b/arch/blackfin/mach-bf561/include/mach/bfin_serial.h @@ -0,0 +1,14 @@ +/* + * 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 1 + +#endif diff --git a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h index e33e158..3a69474 100644 --- a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h @@ -4,36 +4,9 @@ * 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_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER)) -#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH)) -#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR)) -#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR)) -#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL)) - -#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_PUT_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER),v) -#define UART_SET_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v)) -#define UART_CLEAR_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v)) -#define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLH),v) -#define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v) -#define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v) - -#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0) -#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0) - -#define UART_GET_CTS(x) gpio_get_value(x->cts_pin) -#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1) -#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0) -#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v) -#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0) - #ifdef CONFIG_BFIN_UART0_CTSRTS # define CONFIG_SERIAL_BFIN_CTSRTS # ifndef CONFIG_UART0_CTS_PIN @@ -44,51 +17,6 @@ # endif #endif -#define BFIN_UART_TX_FIFO_SIZE 2 - -struct bfin_serial_port { - struct uart_port port; - unsigned int old_status; - int status_irq; - unsigned int lsr; -#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; -#else -# if ANOMALY_05000363 - unsigned int anomaly_threshold; -# endif -#endif -#ifdef CONFIG_SERIAL_BFIN_CTSRTS - struct timer_list cts_timer; - int cts_pin; - int rts_pin; -#endif -}; - -/* The hardware clears the LSR bits upon read, so we need to cache - * some of the more fun bits in software so they don't get lost - * when checking the LSR in other code paths (TX). - */ -static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart) -{ - unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR); - uart->lsr |= (lsr & (BI|FE|PE|OE)); - return lsr | uart->lsr; -} - -static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) -{ - uart->lsr = 0; - bfin_write16(uart->port.membase + OFFSET_LSR, -1); -} - struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -120,3 +48,5 @@ struct bfin_serial_res bfin_serial_resource[] = { }; #define DRIVER_NAME "bfin-uart" + +#include <asm/bfin_serial.h> diff --git a/arch/blackfin/mach-bf561/include/mach/blackfin.h b/arch/blackfin/mach-bf561/include/mach/blackfin.h index 6c7dc58..891cb59 100644 --- a/arch/blackfin/mach-bf561/include/mach/blackfin.h +++ b/arch/blackfin/mach-bf561/include/mach/blackfin.h @@ -35,19 +35,4 @@ #define bfin_read_SICB_ISR(x) bfin_read32(__SIC_MUX(SICB_ISR0, x)) #define bfin_write_SICB_ISR(x, val) bfin_write32(__SIC_MUX(SICB_ISR0, x), val) -#define BFIN_UART_NR_PORTS 1 - -#define OFFSET_THR 0x00 /* Transmit Holding register */ -#define OFFSET_RBR 0x00 /* Receive Buffer register */ -#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */ -#define OFFSET_IER 0x04 /* Interrupt Enable Register */ -#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */ -#define OFFSET_IIR 0x08 /* Interrupt Identification 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_GCTL 0x24 /* Global Control Register */ - #endif /* _MACH_BLACKFIN_H_ */ diff --git a/arch/blackfin/mach-bf561/include/mach/defBF561.h b/arch/blackfin/mach-bf561/include/mach/defBF561.h index 79e048d..bfc9180 100644 --- a/arch/blackfin/mach-bf561/include/mach/defBF561.h +++ b/arch/blackfin/mach-bf561/include/mach/defBF561.h @@ -927,83 +927,6 @@ #define IWR_ENABLE(x) (1 << (x)) /* Wakeup Enable Peripheral #x */ #define IWR_DISABLE(x) (0xFFFFFFFF ^ (1 << (x))) /* Wakeup Disable Peripheral #x */ -/* ***************************** UART CONTROLLER MASKS ********************** */ - -/* UART_LCR Register */ - -#define DLAB 0x80 -#define SB 0x40 -#define STP 0x20 -#define EPS 0x10 -#define PEN 0x08 -#define STB 0x04 -#define WLS(x) ((x-5) & 0x03) - -#define DLAB_P 0x07 -#define SB_P 0x06 -#define STP_P 0x05 -#define EPS_P 0x04 -#define PEN_P 0x03 -#define STB_P 0x02 -#define WLS_P1 0x01 -#define WLS_P0 0x00 - -/* UART_MCR Register */ -#define LOOP_ENA 0x10 -#define LOOP_ENA_P 0x04 - -/* UART_LSR Register */ -#define TEMT 0x40 -#define THRE 0x20 -#define BI 0x10 -#define FE 0x08 -#define PE 0x04 -#define OE 0x02 -#define DR 0x01 - -#define TEMP_P 0x06 -#define THRE_P 0x05 -#define BI_P 0x04 -#define FE_P 0x03 -#define PE_P 0x02 -#define OE_P 0x01 -#define DR_P 0x00 - -/* UART_IER Register */ -#define ELSI 0x04 -#define ETBEI 0x02 -#define ERBFI 0x01 - -#define ELSI_P 0x02 -#define ETBEI_P 0x01 -#define ERBFI_P 0x00 - -/* UART_IIR Register */ -#define STATUS(x) ((x << 1) & 0x06) -#define NINT 0x01 -#define STATUS_P1 0x02 -#define STATUS_P0 0x01 -#define NINT_P 0x00 -#define IIR_TX_READY 0x02 /* UART_THR empty */ -#define IIR_RX_READY 0x04 /* Receive data ready */ -#define IIR_LINE_CHANGE 0x06 /* Receive line status */ -#define IIR_STATUS 0x06 - -/* UART_GCTL Register */ -#define FFE 0x20 -#define FPE 0x10 -#define RPOLC 0x08 -#define TPOLC 0x04 -#define IREN 0x02 -#define UCEN 0x01 - -#define FFE_P 0x05 -#define FPE_P 0x04 -#define RPOLC_P 0x03 -#define TPOLC_P 0x02 -#define IREN_P 0x01 -#define UCEN_P 0x00 - /* ********* PARALLEL PERIPHERAL INTERFACE (PPI) MASKS **************** */ /* PPI_CONTROL Masks */ |
