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   1 /*
   2  * arch/sh/boards/renesas/r7780rp/setup.c
   3  *
   4  * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
   5  * Copyright (C) 2005, 2006 Paul Mundt
   6  *
   7  * Renesas Solutions Highlander R7780RP-1 Support.
   8  *
   9  * This file is subject to the terms and conditions of the GNU General Public
  10  * License.  See the file "COPYING" in the main directory of this archive
  11  * for more details.
  12  */
  13 #include <linux/init.h>
  14 #include <linux/platform_device.h>
  15 #include <asm/machvec.h>
  16 #include <asm/r7780rp.h>
  17 #include <asm/clock.h>
  18 #include <asm/io.h>
  19
  20 extern void init_r7780rp_IRQ(void);
  21
  22 static struct resource m66596_usb_host_resources[] = {
  23         [0] = {
  24                 .start  = 0xa4800000,
  25                 .end    = 0xa4ffffff,
  26                 .flags  = IORESOURCE_MEM,
  27         },
  28         [1] = {
  29                 .start  = 6,            /* irq number */
  30                 .end    = 6,
  31                 .flags  = IORESOURCE_IRQ,
  32         },
  33 };
  34
  35 static struct platform_device m66596_usb_host_device = {
  36         .name           = "m66596-hcd",
  37         .id             = 0,
  38         .dev = {
  39                 .dma_mask               = NULL,         /* don't use dma */
  40                 .coherent_dma_mask      = 0xffffffff,
  41         },
  42         .num_resources  = ARRAY_SIZE(m66596_usb_host_resources),
  43         .resource       = m66596_usb_host_resources,
  44 };
  45
  46 static struct resource cf_ide_resources[] = {
  47         [0] = {
  48                 .start  = 0x1f0,
  49                 .end    = 0x1f0 + 8,
  50                 .flags  = IORESOURCE_IO,
  51         },
  52         [1] = {
  53                 .start  = 0x1f0 + 0x206,
  54                 .end    = 0x1f0 + 8 + 0x206 + 8,
  55                 .flags  = IORESOURCE_IO,
  56         },
  57         [2] = {
  58 #ifdef CONFIG_SH_R7780MP
  59                 .start  = 1,
  60 #else
  61                 .start  = 4,
  62 #endif
  63                 .flags  = IORESOURCE_IRQ,
  64         },
  65 };
  66
  67 static struct platform_device cf_ide_device  = {
  68         .name           = "pata_platform",
  69         .id             = -1,
  70         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  71         .resource       = cf_ide_resources,
  72 };
  73
  74 static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
  75
  76 static struct resource heartbeat_resources[] = {
  77         [0] = {
  78                 .start  = PA_OBLED,
  79                 .end    = PA_OBLED + ARRAY_SIZE(heartbeat_bit_pos) - 1,
  80                 .flags  = IORESOURCE_MEM,
  81         },
  82 };
  83
  84 static struct platform_device heartbeat_device = {
  85         .name           = "heartbeat",
  86         .id             = -1,
  87         .dev    = {
  88                 .platform_data  = heartbeat_bit_pos,
  89         },
  90         .num_resources  = ARRAY_SIZE(heartbeat_resources),
  91         .resource       = heartbeat_resources,
  92 };
  93
  94 static struct platform_device *r7780rp_devices[] __initdata = {
  95         &m66596_usb_host_device,
  96         &cf_ide_device,
  97         &heartbeat_device,
  98 };
  99
 100 static int __init r7780rp_devices_setup(void)
 101 {
 102         return platform_add_devices(r7780rp_devices,
 103                                     ARRAY_SIZE(r7780rp_devices));
 104 }
 105
 106 /*
 107  * Platform specific clocks
 108  */
 109 static void ivdr_clk_enable(struct clk *clk)
 110 {
 111         ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << 8), PA_IVDRCTL);
 112 }
 113
 114 static void ivdr_clk_disable(struct clk *clk)
 115 {
 116         ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << 8), PA_IVDRCTL);
 117 }
 118
 119 static struct clk_ops ivdr_clk_ops = {
 120         .enable         = ivdr_clk_enable,
 121         .disable        = ivdr_clk_disable,
 122 };
 123
 124 static struct clk ivdr_clk = {
 125         .name           = "ivdr_clk",
 126         .ops            = &ivdr_clk_ops,
 127 };
 128
 129 static struct clk *r7780rp_clocks[] = {
 130         &ivdr_clk,
 131 };
 132
 133 static void r7780rp_power_off(void)
 134 {
 135 #ifdef CONFIG_SH_R7780MP
 136         ctrl_outw(0x0001, PA_POFF);
 137 #endif
 138 }
 139
 140 /*
 141  * Initialize the board
 142  */
 143 static void __init r7780rp_setup(char **cmdline_p)
 144 {
 145         u16 ver = ctrl_inw(PA_VERREG);
 146         int i;
 147
 148         device_initcall(r7780rp_devices_setup);
 149
 150         printk(KERN_INFO "Renesas Solutions Highlander R7780RP-1 support.\n");
 151
 152         printk(KERN_INFO "Board version: %d (revision %d), "
 153                          "FPGA version: %d (revision %d)\n",
 154                          (ver >> 12) & 0xf, (ver >> 8) & 0xf,
 155                          (ver >>  4) & 0xf, ver & 0xf);
 156
 157         /*
 158          * Enable the important clocks right away..
 159          */
 160         for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
 161                 struct clk *clk = r7780rp_clocks[i];
 162
 163                 clk_register(clk);
 164                 clk_enable(clk);
 165         }
 166
 167         ctrl_outw(0x0000, PA_OBLED);    /* Clear LED. */
 168 #ifndef CONFIG_SH_R7780MP
 169         ctrl_outw(0x0001, PA_SDPOW);    /* SD Power ON */
 170 #endif
 171         ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL);     /* Si13112 */
 172
 173         pm_power_off = r7780rp_power_off;
 174 }
 175
 176 /*
 177  * The Machine Vector
 178  */
 179 struct sh_machine_vector mv_r7780rp __initmv = {
 180         .mv_name                = "Highlander R7780RP-1",
 181         .mv_setup               = r7780rp_setup,
 182
 183         .mv_nr_irqs             = 109,
 184
 185         .mv_inb                 = r7780rp_inb,
 186         .mv_inw                 = r7780rp_inw,
 187         .mv_inl                 = r7780rp_inl,
 188         .mv_outb                = r7780rp_outb,
 189         .mv_outw                = r7780rp_outw,
 190         .mv_outl                = r7780rp_outl,
 191
 192         .mv_inb_p               = r7780rp_inb_p,
 193         .mv_inw_p               = r7780rp_inw,
 194         .mv_inl_p               = r7780rp_inl,
 195         .mv_outb_p              = r7780rp_outb_p,
 196         .mv_outw_p              = r7780rp_outw,
 197         .mv_outl_p              = r7780rp_outl,
 198
 199         .mv_insb                = r7780rp_insb,
 200         .mv_insw                = r7780rp_insw,
 201         .mv_insl                = r7780rp_insl,
 202         .mv_outsb               = r7780rp_outsb,
 203         .mv_outsw               = r7780rp_outsw,
 204         .mv_outsl               = r7780rp_outsl,
 205
 206         .mv_ioport_map          = r7780rp_ioport_map,
 207         .mv_init_irq            = init_r7780rp_IRQ,
 208 };
 209 ALIAS_MV(r7780rp)