LXR linux/arch/sh/boards/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 */
  21static struct resource heartbeat_resource = {
  22        .start  = PA_LED,
  23        .end    = PA_LED,
  24        .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  25};
  26
  27static struct platform_device heartbeat_device = {
  28        .name           = "heartbeat",
  29        .id             = -1,
  30        .num_resources  = 1,
  31        .resource       = &heartbeat_resource,
  32};
  33
  34/* SMC91x */
  35static 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
  49static 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
  60static struct platform_device *sdk7780_devices[] __initdata = {
  61        &heartbeat_device,
  62        &smc91x_eth_device,
  63};
  64
  65static int __init sdk7780_devices_setup(void)
  66{
  67        return platform_add_devices(sdk7780_devices,
  68                ARRAY_SIZE(sdk7780_devices));
  69}
  70device_initcall(sdk7780_devices_setup);
  71
  72static 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 */
  91static 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
  97