arch/ppc/platforms/4xx/virtex-ii_pro.h

   1 /*
   2  * arch/ppc/platforms/4xx/virtex-ii_pro.h
   3  *
   4  * Include file that defines the Xilinx Virtex-II Pro processor
   5  *
   6  * Author: MontaVista Software, Inc.
   7  *         source@mvista.com
   8  *
   9  * 2002-2004 (c) MontaVista Software, Inc.  This file is licensed under the
  10  * terms of the GNU General Public License version 2.  This program is licensed
  11  * "as is" without any warranty of any kind, whether express or implied.
  12  */
  13
  14 #ifdef __KERNEL__
  15 #ifndef __ASM_VIRTEXIIPRO_H__
  16 #define __ASM_VIRTEXIIPRO_H__
  17
  18 #include <linux/config.h>
  19 #include <asm/xparameters.h>
  20
  21 /* serial defines */
  22
  23 #define RS_TABLE_SIZE  4        /* change this and add more devices below
  24                                    if you have more then 4 16x50 UARTs */
  25
  26 #define BASE_BAUD               (XPAR_UARTNS550_0_CLOCK_FREQ_HZ/16)
  27
  28 /* The serial ports in the Virtex-II Pro have each I/O byte in the
  29  * LSByte of a word.  This means that iomem_reg_shift needs to be 2 to
  30  * change the byte offsets into word offsets.  In addition the base
  31  * addresses need to have 3 added to them to get to the LSByte.
  32  */
  33 #define STD_UART_OP(num)                                                 \
  34         { 0, BASE_BAUD, 0, XPAR_INTC_0_UARTNS550_##num##_VEC_ID,         \
  35                 ASYNC_BOOT_AUTOCONF,                                     \
  36                 .iomem_base = (u8 *)XPAR_UARTNS550_##num##_BASEADDR + 3, \
  37                 .iomem_reg_shift = 2,                                    \
  38                 .io_type = SERIAL_IO_MEM},
  39
  40 #if defined(XPAR_INTC_0_UARTNS550_0_VEC_ID)
  41 #define ML300_UART0 STD_UART_OP(0)
  42 #else
  43 #define ML300_UART0
  44 #endif
  45
  46 #if defined(XPAR_INTC_0_UARTNS550_1_VEC_ID)
  47 #define ML300_UART1 STD_UART_OP(1)
  48 #else
  49 #define ML300_UART1
  50 #endif
  51
  52 #if defined(XPAR_INTC_0_UARTNS550_2_VEC_ID)
  53 #define ML300_UART2 STD_UART_OP(2)
  54 #else
  55 #define ML300_UART2
  56 #endif
  57
  58 #if defined(XPAR_INTC_0_UARTNS550_3_VEC_ID)
  59 #define ML300_UART3 STD_UART_OP(3)
  60 #else
  61 #define ML300_UART3
  62 #endif
  63
  64 #if defined(XPAR_INTC_0_UARTNS550_4_VEC_ID)
  65 #error Edit this file to add more devices.
  66 #elif defined(XPAR_INTC_0_UARTNS550_3_VEC_ID)
  67 #define NR_SER_PORTS    4
  68 #elif defined(XPAR_INTC_0_UARTNS550_2_VEC_ID)
  69 #define NR_SER_PORTS    3
  70 #elif defined(XPAR_INTC_0_UARTNS550_1_VEC_ID)
  71 #define NR_SER_PORTS    2
  72 #elif defined(XPAR_INTC_0_UARTNS550_0_VEC_ID)
  73 #define NR_SER_PORTS    1
  74 #else
  75 #define NR_SER_PORTS    0
  76 #endif
  77
  78 #if defined(CONFIG_UART0_TTYS0)
  79 #define SERIAL_PORT_DFNS        \
  80         ML300_UART0             \
  81         ML300_UART1             \
  82         ML300_UART2             \
  83         ML300_UART3
  84 #endif
  85
  86 #if defined(CONFIG_UART0_TTYS1)
  87 #define SERIAL_PORT_DFNS        \
  88         ML300_UART1             \
  89         ML300_UART0             \
  90         ML300_UART2             \
  91         ML300_UART3
  92 #endif
  93
  94 #define DCRN_CPMFR_BASE 0
  95
  96 #include <asm/ibm405.h>
  97
  98 #endif                          /* __ASM_VIRTEXIIPRO_H__ */
  99 #endif                          /* __KERNEL__ */