LXR linux/arch/sh/boards/mach-se/7780/setup.c

   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * linux/arch/sh/boards/se/7780/setup.c
   4 *
   5 * Copyright (C) 2006,2007  Nobuhiro Iwamatsu
   6 *
   7 * Hitachi UL SolutionEngine 7780 Support.
   8 */
   9#include <linux/init.h>
  10#include <linux/platform_device.h>
  11#include <asm/machvec.h>
  12#include <mach-se/mach/se7780.h>
  13#include <asm/io.h>
  14#include <asm/heartbeat.h>
  15
  16/* Heartbeat */
  17static struct resource heartbeat_resource = {
  18        .start  = PA_LED,
  19        .end    = PA_LED,
  20        .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  21};
  22
  23static struct platform_device heartbeat_device = {
  24        .name           = "heartbeat",
  25        .id             = -1,
  26        .num_resources  = 1,
  27        .resource       = &heartbeat_resource,
  28};
  29
  30/* SMC91x */
  31static struct resource smc91x_eth_resources[] = {
  32        [0] = {
  33                .name   = "smc91x-regs" ,
  34                .start  = PA_LAN + 0x300,
  35                .end    = PA_LAN + 0x300 + 0x10 ,
  36                .flags  = IORESOURCE_MEM,
  37        },
  38        [1] = {
  39                .start  = SMC_IRQ,
  40                .end    = SMC_IRQ,
  41                .flags  = IORESOURCE_IRQ,
  42        },
  43};
  44
  45static struct platform_device smc91x_eth_device = {
  46        .name           = "smc91x",
  47        .id             = 0,
  48        .dev = {
  49                .dma_mask               = NULL,         /* don't use dma */
  50                .coherent_dma_mask      = 0xffffffff,
  51        },
  52        .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
  53        .resource       = smc91x_eth_resources,
  54};
  55
  56static struct platform_device *se7780_devices[] __initdata = {
  57        &heartbeat_device,
  58        &smc91x_eth_device,
  59};
  60
  61static int __init se7780_devices_setup(void)
  62{
  63        return platform_add_devices(se7780_devices,
  64                ARRAY_SIZE(se7780_devices));
  65}
  66device_initcall(se7780_devices_setup);
  67
  68#define GPIO_PHCR        0xFFEA000E
  69#define GPIO_PMSELR      0xFFEA0080
  70#define GPIO_PECR        0xFFEA0008
  71
  72static void __init se7780_setup(char **cmdline_p)
  73{
  74        /* "SH-Linux" on LED Display */
  75        __raw_writew( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) );
  76        __raw_writew( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) );
  77        __raw_writew( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) );
  78        __raw_writew( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) );
  79        __raw_writew( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) );
  80        __raw_writew( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) );
  81        __raw_writew( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) );
  82        __raw_writew( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) );
  83
  84        printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n");
  85
  86        /*
  87         * PCI REQ/GNT setting
  88         *   REQ0/GNT0 -> USB
  89         *   REQ1/GNT1 -> PC Card
  90         *   REQ2/GNT2 -> Serial ATA
  91         *   REQ3/GNT3 -> PCI slot
  92         */
  93        __raw_writew(0x0213, FPGA_REQSEL);
  94
  95        /* GPIO setting */
  96        __raw_writew(0x0000, GPIO_PECR);
  97        __raw_writew(__raw_readw(GPIO_PHCR)&0xfff3, GPIO_PHCR);
  98        __raw_writew(0x0c00, GPIO_PMSELR);
  99
 100        /* iVDR Power ON */
 101        __raw_writew(0x0001, FPGA_IVDRPW);
 102}
 103
 104/*
 105 * The Machine Vector
 106 */
 107static struct sh_machine_vector mv_se7780 __initmv = {
 108        .mv_name                = "Solution Engine 7780" ,
 109        .mv_setup               = se7780_setup ,
 110        .mv_init_irq            = init_se7780_IRQ,
 111};
 112