arch/ppc/platforms/4xx/virtex.c

   1 /*
   2  * Virtex-II Pro & Virtex-4 FX common infrastructure
   3  *
   4  * Maintainer: Grant Likely <grant.likely@secretlab.ca>
   5  *
   6  * Copyright 2005 Secret Lab Technologies Ltd.
   7  * Copyright 2005 General Dynamics Canada Ltd.
   8  * Copyright 2005 Freescale Semiconductor Inc.
   9  *
  10  * This program is free software; you can redistribute  it and/or modify it
  11  * under  the terms of  the GNU General  Public License as published by the
  12  * Free Software Foundation;  either version 2 of the  License, or (at your
  13  * option) any later version.
  14  */
  15
  16 #include <linux/init.h>
  17 #include <linux/module.h>
  18 #include <linux/device.h>
  19 #include <linux/serial_8250.h>
  20 #include <asm/ppc_sys.h>
  21 #include <platforms/4xx/virtex.h>
  22 #include <platforms/4xx/xparameters/xparameters.h>
  23
  24 #define XPAR_UART(num) { \
  25                 .mapbase  = XPAR_UARTNS550_##num##_BASEADDR + 3, \
  26                 .irq      = XPAR_INTC_0_UARTNS550_##num##_VEC_ID, \
  27                 .iotype   = UPIO_MEM, \
  28                 .uartclk  = XPAR_UARTNS550_##num##_CLOCK_FREQ_HZ, \
  29                 .flags    = UPF_BOOT_AUTOCONF, \
  30                 .regshift = 2, \
  31         }
  32
  33 struct plat_serial8250_port serial_platform_data[] = {
  34 #ifdef XPAR_UARTNS550_0_BASEADDR
  35         XPAR_UART(0),
  36 #endif
  37 #ifdef XPAR_UARTNS550_1_BASEADDR
  38         XPAR_UART(1),
  39 #endif
  40 #ifdef XPAR_UARTNS550_2_BASEADDR
  41         XPAR_UART(2),
  42 #endif
  43 #ifdef XPAR_UARTNS550_3_BASEADDR
  44         XPAR_UART(3),
  45 #endif
  46         { }, /* terminated by empty record */
  47 };
  48
  49 struct platform_device ppc_sys_platform_devices[] = {
  50         [VIRTEX_UART] = {
  51                 .name           = "serial8250",
  52                 .id             = 0,
  53                 .dev.platform_data = serial_platform_data,
  54         },
  55 };
  56