arch/arm/mach-iop33x/uart.c

   1 /*
   2  * arch/arm/mach-iop33x/uart.c
   3  *
   4  * Author: Dave Jiang (dave.jiang@intel.com)
   5  * Copyright (C) 2004 Intel Corporation.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #include <linux/mm.h>
  13 #include <linux/init.h>
  14 #include <linux/major.h>
  15 #include <linux/fs.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/serial.h>
  18 #include <linux/tty.h>
  19 #include <linux/serial_8250.h>
  20 #include <linux/io.h>
  21 #include <asm/pgtable.h>
  22 #include <asm/page.h>
  23 #include <asm/mach/map.h>
  24 #include <asm/setup.h>
  25 #include <asm/memory.h>
  26 #include <mach/hardware.h>
  27 #include <asm/hardware/iop3xx.h>
  28 #include <asm/mach/arch.h>
  29
  30 #define IOP33X_UART_XTAL 33334000
  31
  32 static struct plat_serial8250_port iop33x_uart0_data[] = {
  33         {
  34                 .membase        = (char *)IOP33X_UART0_VIRT,
  35                 .mapbase        = IOP33X_UART0_PHYS,
  36                 .irq            = IRQ_IOP33X_UART0,
  37                 .uartclk        = IOP33X_UART_XTAL,
  38                 .regshift       = 2,
  39                 .iotype         = UPIO_MEM,
  40                 .flags          = UPF_SKIP_TEST,
  41         },
  42         { },
  43 };
  44
  45 static struct resource iop33x_uart0_resources[] = {
  46         [0] = {
  47                 .start  = IOP33X_UART0_PHYS,
  48                 .end    = IOP33X_UART0_PHYS + 0x3f,
  49                 .flags  = IORESOURCE_MEM,
  50         },
  51         [1] = {
  52                 .start  = IRQ_IOP33X_UART0,
  53                 .end    = IRQ_IOP33X_UART0,
  54                 .flags  = IORESOURCE_IRQ,
  55         },
  56 };
  57
  58 struct platform_device iop33x_uart0_device = {
  59         .name           = "serial8250",
  60         .id             = PLAT8250_DEV_PLATFORM,
  61         .dev            = {
  62                 .platform_data          = iop33x_uart0_data,
  63         },
  64         .num_resources  = 2,
  65         .resource       = iop33x_uart0_resources,
  66 };
  67
  68
  69 static struct resource iop33x_uart1_resources[] = {
  70         [0] = {
  71                 .start  = IOP33X_UART1_PHYS,
  72                 .end    = IOP33X_UART1_PHYS + 0x3f,
  73                 .flags  = IORESOURCE_MEM,
  74         },
  75         [1] = {
  76                 .start  = IRQ_IOP33X_UART1,
  77                 .end    = IRQ_IOP33X_UART1,
  78                 .flags  = IORESOURCE_IRQ,
  79         },
  80 };
  81
  82 static struct plat_serial8250_port iop33x_uart1_data[] = {
  83         {
  84                 .membase        = (char *)IOP33X_UART1_VIRT,
  85                 .mapbase        = IOP33X_UART1_PHYS,
  86                 .irq            = IRQ_IOP33X_UART1,
  87                 .uartclk        = IOP33X_UART_XTAL,
  88                 .regshift       = 2,
  89                 .iotype         = UPIO_MEM,
  90                 .flags          = UPF_SKIP_TEST,
  91         },
  92         { },
  93 };
  94
  95 struct platform_device iop33x_uart1_device = {
  96         .name           = "serial8250",
  97         .id             = PLAT8250_DEV_PLATFORM1,
  98         .dev            = {
  99                 .platform_data          = iop33x_uart1_data,
 100         },
 101         .num_resources  = 2,
 102         .resource       = iop33x_uart1_resources,
 103 };