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

   1/*
   2 * linux/arch/sh/boards/se/7780/setup.c
   3 *
   4 * Copyright (C) 2006,2007  Nobuhiro Iwamatsu
   5 *
   6 * Hitachi UL SolutionEngine 7780 Support.
   7 *
   8 * This file is subject to the terms and conditions of the GNU General Public
   9 * License.  See the file "COPYING" in the main directory of this archive
  10 * for more details.
  11 */
  12#include <linux/init.h>
  13#include <linux/platform_device.h>
  14#include <asm/machvec.h>
  15#include <mach-se/mach/se7780.h>
  16#include <asm/io.h>
  17#include <asm/heartbeat.h>
  18
  19/* Heartbeat */
  20static struct resource heartbeat_resource = {
  21        .start  = PA_LED,
  22        .end    = PA_LED,
  23        .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  24};
  25
  26static struct platform_device heartbeat_device = {
  27        .name           = "heartbeat",
  28        .id             = -1,
  29        .num_resources  = 1,
  30        .resource       = &heartbeat_resource,
  31};
  32
  33/* SMC91x */
  34static struct resource smc91x_eth_resources[] = {
  35        [0] = {
  36                .name   = "smc91x-regs" ,
  37                .start  = PA_LAN + 0x300,
  38                .end    = PA_LAN + 0x300 + 0x10 ,
  39                .flags  = IORESOURCE_MEM,
  40        },
  41        [1] = {
  42                .start  = SMC_IRQ,
  43                .end    = SMC_IRQ,
  44                .flags  = IORESOURCE_IRQ,
  45        },
  46};
  47
  48static struct platform_device smc91x_eth_device = {
  49        .name           = "smc91x",
  50        .id             = 0,
  51        .dev = {
  52                .dma_mask               = NULL,         /* don't use dma */
  53                .coherent_dma_mask      = 0xffffffff,
  54        },
  55        .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
  56        .resource       = smc91x_eth_resources,
  57};
  58
  59static struct platform_device *se7780_devices[] __initdata = {
  60        &heartbeat_device,
  61        &smc91x_eth_device,
  62};
  63
  64static int __init se7780_devices_setup(void)
  65{
  66        return platform_add_devices(se7780_devices,
  67                ARRAY_SIZE(se7780_devices));
  68}
  69device_initcall(se7780_devices_setup);
  70
  71#define GPIO_PHCR        0xFFEA000E
  72#define GPIO_PMSELR      0xFFEA0080
  73#define GPIO_PECR        0xFFEA0008
  74
  75static void __init se7780_setup(char **cmdline_p)
  76{
  77        /* "SH-Linux" on LED Display */
  78        __raw_writew( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) );
  79        __raw_writew( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) );
  80        __raw_writew( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) );
  81        __raw_writew( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) );
  82        __raw_writew( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) );
  83        __raw_writew( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) );
  84        __raw_writew( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) );
  85        __raw_writew( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) );
  86
  87        printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n");
  88
  89        /*
  90         * PCI REQ/GNT setting
  91         *   REQ0/GNT0 -> USB
  92         *   REQ1/GNT1 -> PC Card
  93         *   REQ2/GNT2 -> Serial ATA
  94         *   REQ3/GNT3 -> PCI slot
  95         */
  96        __raw_writew(0x0213, FPGA_REQSEL);
  97
  98        /* GPIO setting */
  99        __raw_writew(0x0000, GPIO_PECR);
 100        __raw_writew(__raw_readw(GPIO_PHCR)&0xfff3, GPIO_PHCR);
 101        __raw_writew(0x0c00, GPIO_PMSELR);
 102
 103        /* iVDR Power ON */
 104        __raw_writew(0x0001, FPGA_IVDRPW);
 105}
 106
 107/*
 108 * The Machine Vector
 109 */
 110static struct sh_machine_vector mv_se7780 __initmv = {
 111        .mv_name                = "Solution Engine 7780" ,
 112        .mv_setup               = se7780_setup ,
 113        .mv_nr_irqs             = 111 ,
 114        .mv_init_irq            = init_se7780_IRQ,
 115};
 116