mach-sdk7780/setup.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * arch/sh/boards/renesas/sdk7780/setup.c
   4  *
   5  * Renesas Solutions SH7780 SDK Support
   6  * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk>
   7  */
   8 #include <linux/init.h>
   9 #include <linux/types.h>
  10 #include <linux/platform_device.h>
  11 #include <linux/ata_platform.h>
  12 #include <asm/machvec.h>
  13 #include <mach/sdk7780.h>
  14 #include <asm/heartbeat.h>
  15 #include <asm/io.h>
  16 #include <asm/addrspace.h>
  17
  18 #define GPIO_PECR        0xFFEA0008
  19
  20 /* Heartbeat */
  21 static struct resource heartbeat_resource = {
  22         .start  = PA_LED,
  23         .end    = PA_LED,
  24         .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  25 };
  26
  27 static struct platform_device heartbeat_device = {
  28         .name           = "heartbeat",
  29         .id             = -1,
  30         .num_resources  = 1,
  31         .resource       = &heartbeat_resource,
  32 };
  33
  34 /* SMC91x */
  35 static struct resource smc91x_eth_resources[] = {
  36         [0] = {
  37                 .name   = "smc91x-regs" ,
  38                 .start  = PA_LAN + 0x300,
  39                 .end    = PA_LAN + 0x300 + 0x10 ,
  40                 .flags  = IORESOURCE_MEM,
  41         },
  42         [1] = {
  43                 .start  = IRQ_ETHERNET,
  44                 .end    = IRQ_ETHERNET,
  45                 .flags  = IORESOURCE_IRQ,
  46         },
  47 };
  48
  49 static struct platform_device smc91x_eth_device = {
  50         .name           = "smc91x",
  51         .id             = 0,
  52         .dev = {
  53                 .dma_mask               = NULL,         /* don't use dma */
  54                 .coherent_dma_mask      = 0xffffffff,
  55         },
  56         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
  57         .resource       = smc91x_eth_resources,
  58 };
  59
  60 static struct platform_device *sdk7780_devices[] __initdata = {
  61         &heartbeat_device,
  62         &smc91x_eth_device,
  63 };
  64
  65 static int __init sdk7780_devices_setup(void)
  66 {
  67         return platform_add_devices(sdk7780_devices,
  68                 ARRAY_SIZE(sdk7780_devices));
  69 }
  70 device_initcall(sdk7780_devices_setup);
  71
  72 static void __init sdk7780_setup(char **cmdline_p)
  73 {
  74         u16 ver = __raw_readw(FPGA_FPVERR);
  75         u16 dateStamp = __raw_readw(FPGA_FPDATER);
  76
  77         printk(KERN_INFO "Renesas Technology Europe SDK7780 support.\n");
  78         printk(KERN_INFO "Board version: %d (revision %d), "
  79                          "FPGA version: %d (revision %d), datestamp : %d\n",
  80                          (ver >> 12) & 0xf, (ver >> 8) & 0xf,
  81                          (ver >>  4) & 0xf, ver & 0xf,
  82                          dateStamp);
  83
  84         /* Setup pin mux'ing for PCIC */
  85         __raw_writew(0x0000, GPIO_PECR);
  86 }
  87
  88 /*
  89  * The Machine Vector
  90  */
  91 static struct sh_machine_vector mv_se7780 __initmv = {
  92         .mv_name        = "Renesas SDK7780-R3" ,
  93         .mv_setup               = sdk7780_setup,
  94         .mv_init_irq    = init_sdk7780_IRQ,
  95 };
  96