arch/sh/boards/mach-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/ata_platform.h>
  15 #include <asm/machvec.h>
  16 #include <mach/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 resource heartbeat_resource = {
  25         .start  = PA_LED,
  26         .end    = PA_LED,
  27         .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  28 };
  29
  30 static struct platform_device heartbeat_device = {
  31         .name           = "heartbeat",
  32         .id             = -1,
  33         .num_resources  = 1,
  34         .resource       = &heartbeat_resource,
  35 };
  36
  37 /* SMC91x */
  38 static struct resource smc91x_eth_resources[] = {
  39         [0] = {
  40                 .name   = "smc91x-regs" ,
  41                 .start  = PA_LAN + 0x300,
  42                 .end    = PA_LAN + 0x300 + 0x10 ,
  43                 .flags  = IORESOURCE_MEM,
  44         },
  45         [1] = {
  46                 .start  = IRQ_ETHERNET,
  47                 .end    = IRQ_ETHERNET,
  48                 .flags  = IORESOURCE_IRQ,
  49         },
  50 };
  51
  52 static struct platform_device smc91x_eth_device = {
  53         .name           = "smc91x",
  54         .id             = 0,
  55         .dev = {
  56                 .dma_mask               = NULL,         /* don't use dma */
  57                 .coherent_dma_mask      = 0xffffffff,
  58         },
  59         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
  60         .resource       = smc91x_eth_resources,
  61 };
  62
  63 static struct platform_device *sdk7780_devices[] __initdata = {
  64         &heartbeat_device,
  65         &smc91x_eth_device,
  66 };
  67
  68 static int __init sdk7780_devices_setup(void)
  69 {
  70         return platform_add_devices(sdk7780_devices,
  71                 ARRAY_SIZE(sdk7780_devices));
  72 }
  73 device_initcall(sdk7780_devices_setup);
  74
  75 static void __init sdk7780_setup(char **cmdline_p)
  76 {
  77         u16 ver = __raw_readw(FPGA_FPVERR);
  78         u16 dateStamp = __raw_readw(FPGA_FPDATER);
  79
  80         printk(KERN_INFO "Renesas Technology Europe SDK7780 support.\n");
  81         printk(KERN_INFO "Board version: %d (revision %d), "
  82                          "FPGA version: %d (revision %d), datestamp : %d\n",
  83                          (ver >> 12) & 0xf, (ver >> 8) & 0xf,
  84                          (ver >>  4) & 0xf, ver & 0xf,
  85                          dateStamp);
  86
  87         /* Setup pin mux'ing for PCIC */
  88         __raw_writew(0x0000, GPIO_PECR);
  89 }
  90
  91 /*
  92  * The Machine Vector
  93  */
  94 static struct sh_machine_vector mv_se7780 __initmv = {
  95         .mv_name        = "Renesas SDK7780-R3" ,
  96         .mv_setup               = sdk7780_setup,
  97         .mv_nr_irqs             = 111,
  98         .mv_init_irq    = init_sdk7780_IRQ,
  99 };
 100