include/asm-arm/arch-iop3xx/serial.h

   1 /*
   2  * include/asm-arm/arch-iop3xx/serial.h
   3  */
   4 #include <linux/config.h>
   5
   6 /*
   7  * This assumes you have a 1.8432 MHz clock for your UART.
   8  *
   9  * It'd be nice if someone built a serial card with a 24.576 MHz
  10  * clock, since the 16550A is capable of handling a top speed of 1.5
  11  * megabits/second; but this requires the faster clock.
  12  */
  13 #define BASE_BAUD ( 1843200 / 16 )
  14
  15 /* Standard COM flags */
  16 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
  17
  18 #ifdef CONFIG_ARCH_IQ80321
  19
  20 #define IRQ_UART1       IRQ_IQ80321_UART
  21
  22 #define RS_TABLE_SIZE 1
  23
  24 #define STD_SERIAL_PORT_DEFNS                   \
  25        /* UART CLK      PORT        IRQ        FLAGS        */                  \
  26         { 0, BASE_BAUD, 0xfe800000, IRQ_UART1, STD_COM_FLAGS },  /* ttyS0 */
  27 #endif // CONFIG_ARCH_IQ80321
  28
  29 #ifdef CONFIG_ARCH_IQ31244
  30
  31 #define IRQ_UART1       IRQ_IQ31244_UART
  32
  33 #define RS_TABLE_SIZE 1
  34
  35 #define STD_SERIAL_PORT_DEFNS                   \
  36        /* UART CLK      PORT        IRQ        FLAGS        */                  \
  37         { 0, BASE_BAUD, 0xfe800000, IRQ_UART1, STD_COM_FLAGS },  /* ttyS0 */
  38 #endif // CONFIG_ARCH_IQ31244
  39
  40 #ifdef CONFIG_ARCH_IQ80331
  41
  42 #undef BASE_BAUD
  43
  44 #define BASE_BAUD ( 33334000 / 16 )
  45
  46 #define IRQ_UART0       IRQ_IQ80331_UART0
  47 #define IRQ_UART1       IRQ_IQ80331_UART1
  48
  49 #define RS_TABLE_SIZE 2
  50
  51 #define STD_SERIAL_PORT_DEFNS                           \
  52         {                                               \
  53           /*type: PORT_XSCALE,*/                        \
  54           /*xmit_fifo_size: 32,*/                       \
  55           baud_base: BASE_BAUD,                         \
  56           irq: IRQ_UART0,                               \
  57           flags: STD_COM_FLAGS,                         \
  58           iomem_base: IQ80331_UART0_VIRT,               \
  59           io_type: SERIAL_IO_MEM,                       \
  60           iomem_reg_shift: 2                            \
  61         }, /* ttyS0 */                                  \
  62         {                                               \
  63           /*type: PORT_XSCALE,*/                        \
  64           /*xmit_fifo_size: 32,*/                       \
  65           baud_base: BASE_BAUD,                         \
  66           irq: IRQ_UART1,                               \
  67           flags: STD_COM_FLAGS,                         \
  68           iomem_base: IQ80331_UART1_VIRT,               \
  69           io_type: SERIAL_IO_MEM,                       \
  70           iomem_reg_shift: 2                            \
  71         } /* ttyS1 */
  72 #endif // CONFIG_ARCH_IQ80331
  73
  74
  75 #define EXTRA_SERIAL_PORT_DEFNS
  76