LXR linux/arch/blackfin/mach-bf538/include/mach/bfin_serial

   1/*
   2 * Copyright 2008-2009 Analog Devices Inc.
   3 *
   4 * Licensed under the GPL-2 or later.
   5 */
   6
   7#include <asm/dma.h>
   8#include <asm/portmux.h>
   9
  10#if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS)
  11# define CONFIG_SERIAL_BFIN_CTSRTS
  12
  13# ifndef CONFIG_UART0_CTS_PIN
  14#  define CONFIG_UART0_CTS_PIN -1
  15# endif
  16
  17# ifndef CONFIG_UART0_RTS_PIN
  18#  define CONFIG_UART0_RTS_PIN -1
  19# endif
  20
  21# ifndef CONFIG_UART1_CTS_PIN
  22#  define CONFIG_UART1_CTS_PIN -1
  23# endif
  24
  25# ifndef CONFIG_UART1_RTS_PIN
  26#  define CONFIG_UART1_RTS_PIN -1
  27# endif
  28#endif
  29
  30struct bfin_serial_res {
  31        unsigned long   uart_base_addr;
  32        int             uart_irq;
  33        int             uart_status_irq;
  34#ifdef CONFIG_SERIAL_BFIN_DMA
  35        unsigned int    uart_tx_dma_channel;
  36        unsigned int    uart_rx_dma_channel;
  37#endif
  38#ifdef CONFIG_SERIAL_BFIN_CTSRTS
  39        int     uart_cts_pin;
  40        int     uart_rts_pin;
  41#endif
  42};
  43
  44struct bfin_serial_res bfin_serial_resource[] = {
  45#ifdef CONFIG_SERIAL_BFIN_UART0
  46        {
  47        0xFFC00400,
  48        IRQ_UART0_RX,
  49        IRQ_UART0_ERROR,
  50#ifdef CONFIG_SERIAL_BFIN_DMA
  51        CH_UART0_TX,
  52        CH_UART0_RX,
  53#endif
  54#ifdef CONFIG_SERIAL_BFIN_CTSRTS
  55        CONFIG_UART0_CTS_PIN,
  56        CONFIG_UART0_RTS_PIN,
  57#endif
  58        },
  59#endif
  60#ifdef CONFIG_SERIAL_BFIN_UART1
  61        {
  62        0xFFC02000,
  63        IRQ_UART1_RX,
  64        IRQ_UART1_ERROR,
  65#ifdef CONFIG_SERIAL_BFIN_DMA
  66        CH_UART1_TX,
  67        CH_UART1_RX,
  68#endif
  69#ifdef CONFIG_SERIAL_BFIN_CTSRTS
  70        CONFIG_UART1_CTS_PIN,
  71        CONFIG_UART1_RTS_PIN,
  72#endif
  73        },
  74#endif
  75#ifdef CONFIG_SERIAL_BFIN_UART2
  76        {
  77        0xFFC02100,
  78        IRQ_UART2_RX,
  79#ifdef CONFIG_SERIAL_BFIN_DMA
  80        CH_UART2_TX,
  81        CH_UART2_RX,
  82#endif
  83#ifdef CONFIG_BFIN_UART2_CTSRTS
  84        CONFIG_UART2_CTS_PIN,
  85        CONFIG_UART2_RTS_PIN,
  86#endif
  87        },
  88#endif
  89};
  90
  91#define DRIVER_NAME "bfin-uart"
  92
  93#include <asm/bfin_serial.h>
  94