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   1 /*
   2  * Platform device support for Philips PNX8550 SoCs
   3  *
   4  * Copyright 2005, Embedded Alley Solutions, Inc
   5  *
   6  * Based on arch/mips/au1000/common/platform.c
   7  * Platform device support for Au1x00 SoCs.
   8  *
   9  * Copyright 2004, Matt Porter <mporter@kernel.crashing.org>
  10  *
  11  * This file is licensed under the terms of the GNU General Public
  12  * License version 2.  This program is licensed "as is" without any
  13  * warranty of any kind, whether express or implied.
  14  */
  15 #include <linux/device.h>
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/resource.h>
  19 #include <linux/serial.h>
  20 #include <linux/serial_ip3106.h>
  21 #include <linux/platform_device.h>
  22
  23 #include <int.h>
  24 #include <usb.h>
  25 #include <uart.h>
  26
  27 extern struct uart_ops ip3106_pops;
  28
  29 static struct resource pnx8550_usb_ohci_resources[] = {
  30         [0] = {
  31                 .start          = PNX8550_USB_OHCI_OP_BASE,
  32                 .end            = PNX8550_USB_OHCI_OP_BASE +
  33                                   PNX8550_USB_OHCI_OP_LEN,
  34                 .flags          = IORESOURCE_MEM,
  35         },
  36         [1] = {
  37                 .start          = PNX8550_INT_USB,
  38                 .end            = PNX8550_INT_USB,
  39                 .flags          = IORESOURCE_IRQ,
  40         },
  41 };
  42
  43 static struct resource pnx8550_uart_resources[] = {
  44         [0] = {
  45                 .start          = PNX8550_UART_PORT0,
  46                 .end            = PNX8550_UART_PORT0 + 0xfff,
  47                 .flags          = IORESOURCE_MEM,
  48         },
  49         [1] = {
  50                 .start          = PNX8550_UART_INT(0),
  51                 .end            = PNX8550_UART_INT(0),
  52                 .flags          = IORESOURCE_IRQ,
  53         },
  54         [2] = {
  55                 .start          = PNX8550_UART_PORT1,
  56                 .end            = PNX8550_UART_PORT1 + 0xfff,
  57                 .flags          = IORESOURCE_MEM,
  58         },
  59         [3] = {
  60                 .start          = PNX8550_UART_INT(1),
  61                 .end            = PNX8550_UART_INT(1),
  62                 .flags          = IORESOURCE_IRQ,
  63         },
  64 };
  65
  66 struct ip3106_port ip3106_ports[] = {
  67         [0] = {
  68                 .port   = {
  69                         .type           = PORT_IP3106,
  70                         .iotype         = UPIO_MEM,
  71                         .membase        = (void __iomem *)PNX8550_UART_PORT0,
  72                         .mapbase        = PNX8550_UART_PORT0,
  73                         .irq            = PNX8550_UART_INT(0),
  74                         .uartclk        = 3692300,
  75                         .fifosize       = 16,
  76                         .ops            = &ip3106_pops,
  77                         .flags          = UPF_BOOT_AUTOCONF,
  78                         .line           = 0,
  79                 },
  80         },
  81         [1] = {
  82                 .port   = {
  83                         .type           = PORT_IP3106,
  84                         .iotype         = UPIO_MEM,
  85                         .membase        = (void __iomem *)PNX8550_UART_PORT1,
  86                         .mapbase        = PNX8550_UART_PORT1,
  87                         .irq            = PNX8550_UART_INT(1),
  88                         .uartclk        = 3692300,
  89                         .fifosize       = 16,
  90                         .ops            = &ip3106_pops,
  91                         .flags          = UPF_BOOT_AUTOCONF,
  92                         .line           = 1,
  93                 },
  94         },
  95 };
  96
  97 /* The dmamask must be set for OHCI to work */
  98 static u64 ohci_dmamask = ~(u32)0;
  99
 100 static u64 uart_dmamask = ~(u32)0;
 101
 102 static struct platform_device pnx8550_usb_ohci_device = {
 103         .name           = "pnx8550-ohci",
 104         .id             = -1,
 105         .dev = {
 106                 .dma_mask               = &ohci_dmamask,
 107                 .coherent_dma_mask      = 0xffffffff,
 108         },
 109         .num_resources  = ARRAY_SIZE(pnx8550_usb_ohci_resources),
 110         .resource       = pnx8550_usb_ohci_resources,
 111 };
 112
 113 static struct platform_device pnx8550_uart_device = {
 114         .name           = "ip3106-uart",
 115         .id             = -1,
 116         .dev = {
 117                 .dma_mask               = &uart_dmamask,
 118                 .coherent_dma_mask      = 0xffffffff,
 119                 .platform_data = ip3106_ports,
 120         },
 121         .num_resources  = ARRAY_SIZE(pnx8550_uart_resources),
 122         .resource       = pnx8550_uart_resources,
 123 };
 124
 125 static struct platform_device *pnx8550_platform_devices[] __initdata = {
 126         &pnx8550_usb_ohci_device,
 127         &pnx8550_uart_device,
 128 };
 129
 130 int pnx8550_platform_init(void)
 131 {
 132         return platform_add_devices(pnx8550_platform_devices,
 133                                     ARRAY_SIZE(pnx8550_platform_devices));
 134 }
 135
 136 arch_initcall(pnx8550_platform_init);