arch/sh/boards/mach-se/7721/setup.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * linux/arch/sh/boards/se/7721/setup.c
   4  *
   5  * Copyright (C) 2008 Renesas Solutions Corp.
   6  *
   7  * Hitachi UL SolutionEngine 7721 Support.
   8  */
   9 #include <linux/init.h>
  10 #include <linux/platform_device.h>
  11 #include <mach-se/mach/se7721.h>
  12 #include <mach-se/mach/mrshpc.h>
  13 #include <asm/machvec.h>
  14 #include <asm/io.h>
  15 #include <asm/heartbeat.h>
  16
  17 static unsigned char heartbeat_bit_pos[] = { 8, 9, 10, 11, 12, 13, 14, 15 };
  18
  19 static struct heartbeat_data heartbeat_data = {
  20         .bit_pos        = heartbeat_bit_pos,
  21         .nr_bits        = ARRAY_SIZE(heartbeat_bit_pos),
  22 };
  23
  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         .dev    = {
  34                 .platform_data  = &heartbeat_data,
  35         },
  36         .num_resources  = 1,
  37         .resource       = &heartbeat_resource,
  38 };
  39
  40 static struct resource cf_ide_resources[] = {
  41         [0] = {
  42                 .start  = PA_MRSHPC_IO + 0x1f0,
  43                 .end    = PA_MRSHPC_IO + 0x1f0 + 8 ,
  44                 .flags  = IORESOURCE_IO,
  45         },
  46         [1] = {
  47                 .start  = PA_MRSHPC_IO + 0x1f0 + 0x206,
  48                 .end    = PA_MRSHPC_IO + 0x1f0 + 8 + 0x206 + 8,
  49                 .flags  = IORESOURCE_IO,
  50         },
  51         [2] = {
  52                 .start  = MRSHPC_IRQ0,
  53                 .flags  = IORESOURCE_IRQ,
  54         },
  55 };
  56
  57 static struct platform_device cf_ide_device = {
  58         .name           = "pata_platform",
  59         .id             = -1,
  60         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  61         .resource       = cf_ide_resources,
  62 };
  63
  64 static struct platform_device *se7721_devices[] __initdata = {
  65         &cf_ide_device,
  66         &heartbeat_device
  67 };
  68
  69 static int __init se7721_devices_setup(void)
  70 {
  71         mrshpc_setup_windows();
  72         return platform_add_devices(se7721_devices, ARRAY_SIZE(se7721_devices));
  73 }
  74 device_initcall(se7721_devices_setup);
  75
  76 static void __init se7721_setup(char **cmdline_p)
  77 {
  78         /* for USB */
  79         __raw_writew(0x0000, 0xA405010C);       /* PGCR */
  80         __raw_writew(0x0000, 0xA405010E);       /* PHCR */
  81         __raw_writew(0x00AA, 0xA4050118);       /* PPCR */
  82         __raw_writew(0x0000, 0xA4050124);       /* PSELA */
  83 }
  84
  85 /*
  86  * The Machine Vector
  87  */
  88 struct sh_machine_vector mv_se7721 __initmv = {
  89         .mv_name                = "Solution Engine 7721",
  90         .mv_setup               = se7721_setup,
  91         .mv_init_irq            = init_se7721_IRQ,
  92 };