arch/sh/boards/renesas/sdk7780/setup.c

   1 /*
   2  * arch/sh/boards/renesas/sdk7780/setup.c
   3  *
   4  * Renesas Solutions SH7780 SDK Support
   5  * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk>
   6  *
   7  * This file is subject to the terms and conditions of the GNU General Public
   8  * License.  See the file "COPYING" in the main directory of this archive
   9  * for more details.
  10  */
  11 #include <linux/init.h>
  12 #include <linux/types.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/pata_platform.h>
  15 #include <asm/machvec.h>
  16 #include <asm/sdk7780.h>
  17 #include <asm/heartbeat.h>
  18 #include <asm/io.h>
  19 #include <asm/addrspace.h>
  20
  21 #define GPIO_PECR        0xFFEA0008
  22
  23 //* Heartbeat */
  24 static struct heartbeat_data heartbeat_data = {
  25         .regsize = 16,
  26 };
  27
  28 static struct resource heartbeat_resources[] = {
  29         [0] = {
  30                 .start  = PA_LED,
  31                 .end    = PA_LED,
  32                 .flags  = IORESOURCE_MEM,
  33         },
  34 };
  35
  36 static struct platform_device heartbeat_device = {
  37         .name           = "heartbeat",
  38         .id             = -1,
  39         .dev = {
  40                 .platform_data = &heartbeat_data,
  41         },
  42         .num_resources  = ARRAY_SIZE(heartbeat_resources),
  43         .resource       = heartbeat_resources,
  44 };
  45
  46 /* SMC91x */
  47 static struct resource smc91x_eth_resources[] = {
  48         [0] = {
  49                 .name   = "smc91x-regs" ,
  50                 .start  = PA_LAN + 0x300,
  51                 .end    = PA_LAN + 0x300 + 0x10 ,
  52                 .flags  = IORESOURCE_MEM,
  53         },
  54         [1] = {
  55                 .start  = IRQ_ETHERNET,
  56                 .end    = IRQ_ETHERNET,
  57                 .flags  = IORESOURCE_IRQ,
  58         },
  59 };
  60
  61 static struct platform_device smc91x_eth_device = {
  62         .name           = "smc91x",
  63         .id             = 0,
  64         .dev = {
  65                 .dma_mask               = NULL,         /* don't use dma */
  66                 .coherent_dma_mask      = 0xffffffff,
  67         },
  68         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
  69         .resource       = smc91x_eth_resources,
  70 };
  71
  72 static struct platform_device *sdk7780_devices[] __initdata = {
  73         &heartbeat_device,
  74         &smc91x_eth_device,
  75 };
  76
  77 static int __init sdk7780_devices_setup(void)
  78 {
  79         return platform_add_devices(sdk7780_devices,
  80                 ARRAY_SIZE(sdk7780_devices));
  81 }
  82 device_initcall(sdk7780_devices_setup);
  83
  84 static void __init sdk7780_setup(char **cmdline_p)
  85 {
  86         u16 ver = ctrl_inw(FPGA_FPVERR);
  87         u16 dateStamp = ctrl_inw(FPGA_FPDATER);
  88
  89         printk(KERN_INFO "Renesas Technology Europe SDK7780 support.\n");
  90         printk(KERN_INFO "Board version: %d (revision %d), "
  91                          "FPGA version: %d (revision %d), datestamp : %d\n",
  92                          (ver >> 12) & 0xf, (ver >> 8) & 0xf,
  93                          (ver >>  4) & 0xf, ver & 0xf,
  94                          dateStamp);
  95
  96         /* Setup pin mux'ing for PCIC */
  97         ctrl_outw(0x0000, GPIO_PECR);
  98 }
  99
 100 /*
 101  * The Machine Vector
 102  */
 103 static struct sh_machine_vector mv_se7780 __initmv = {
 104         .mv_name        = "Renesas SDK7780-R3" ,
 105         .mv_setup               = sdk7780_setup,
 106         .mv_nr_irqs             = 111,
 107         .mv_init_irq    = init_sdk7780_IRQ,
 108 };
 109