diff options
Diffstat (limited to 'arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h')
-rw-r--r-- | arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h | 73 |
1 files changed, 2 insertions, 71 deletions
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> |