arch/sh/boards/renesas/r7780rp/setup.c

   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 heartbeat_r7780rp(void);
  21 extern void init_r7780rp_IRQ(void);
  22
  23 static struct resource m66596_usb_host_resources[] = {
  24         [0] = {
  25                 .start  = 0xa4800000,
  26                 .end    = 0xa4ffffff,
  27                 .flags  = IORESOURCE_MEM,
  28         },
  29         [1] = {
  30                 .start  = 6,            /* irq number */
  31                 .end    = 6,
  32                 .flags  = IORESOURCE_IRQ,
  33         },
  34 };
  35
  36 static struct platform_device m66596_usb_host_device = {
  37         .name           = "m66596-hcd",
  38         .id             = 0,
  39         .dev = {
  40                 .dma_mask               = NULL,         /* don't use dma */
  41                 .coherent_dma_mask      = 0xffffffff,
  42         },
  43         .num_resources  = ARRAY_SIZE(m66596_usb_host_resources),
  44         .resource       = m66596_usb_host_resources,
  45 };
  46
  47 static struct resource cf_ide_resources[] = {
  48         [0] = {
  49                 .start  = 0x1f0,
  50                 .end    = 0x1f0 + 8,
  51                 .flags  = IORESOURCE_IO,
  52         },
  53         [1] = {
  54                 .start  = 0x1f0 + 0x206,
  55                 .end    = 0x1f0 + 8 + 0x206 + 8,
  56                 .flags  = IORESOURCE_IO,
  57         },
  58         [2] = {
  59 #ifdef CONFIG_SH_R7780MP
  60                 .start  = 1,
  61 #else
  62                 .start  = 4,
  63 #endif
  64                 .flags  = IORESOURCE_IRQ,
  65         },
  66 };
  67
  68 static struct platform_device cf_ide_device  = {
  69         .name           = "pata_platform",
  70         .id             = -1,
  71         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  72         .resource       = cf_ide_resources,
  73 };
  74
  75 static struct platform_device *r7780rp_devices[] __initdata = {
  76         &m66596_usb_host_device,
  77         &cf_ide_device,
  78 };
  79
  80 static int __init r7780rp_devices_setup(void)
  81 {
  82         return platform_add_devices(r7780rp_devices,
  83                                     ARRAY_SIZE(r7780rp_devices));
  84 }
  85
  86 /*
  87  * Platform specific clocks
  88  */
  89 static void ivdr_clk_enable(struct clk *clk)
  90 {
  91         ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << 8), PA_IVDRCTL);
  92 }
  93
  94 static void ivdr_clk_disable(struct clk *clk)
  95 {
  96         ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << 8), PA_IVDRCTL);
  97 }
  98
  99 static struct clk_ops ivdr_clk_ops = {
 100         .enable         = ivdr_clk_enable,
 101         .disable        = ivdr_clk_disable,
 102 };
 103
 104 static struct clk ivdr_clk = {
 105         .name           = "ivdr_clk",
 106         .ops            = &ivdr_clk_ops,
 107 };
 108
 109 static struct clk *r7780rp_clocks[] = {
 110         &ivdr_clk,
 111 };
 112
 113 static void r7780rp_power_off(void)
 114 {
 115 #ifdef CONFIG_SH_R7780MP
 116         ctrl_outw(0x0001, PA_POFF);
 117 #endif
 118 }
 119
 120 /*
 121  * Initialize the board
 122  */
 123 static void __init r7780rp_setup(char **cmdline_p)
 124 {
 125         u16 ver = ctrl_inw(PA_VERREG);
 126         int i;
 127
 128         device_initcall(r7780rp_devices_setup);
 129
 130         printk(KERN_INFO "Renesas Solutions Highlander R7780RP-1 support.\n");
 131
 132         printk(KERN_INFO "Board version: %d (revision %d), "
 133                          "FPGA version: %d (revision %d)\n",
 134                          (ver >> 12) & 0xf, (ver >> 8) & 0xf,
 135                          (ver >>  4) & 0xf, ver & 0xf);
 136
 137         /*
 138          * Enable the important clocks right away..
 139          */
 140         for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
 141                 struct clk *clk = r7780rp_clocks[i];
 142
 143                 clk_register(clk);
 144                 clk_enable(clk);
 145         }
 146
 147         ctrl_outw(0x0000, PA_OBLED);    /* Clear LED. */
 148 #ifndef CONFIG_SH_R7780MP
 149         ctrl_outw(0x0001, PA_SDPOW);    /* SD Power ON */
 150 #endif
 151         ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x0100, PA_IVDRCTL);   /* Si13112 */
 152
 153         pm_power_off = r7780rp_power_off;
 154 }
 155
 156 /*
 157  * The Machine Vector
 158  */
 159 struct sh_machine_vector mv_r7780rp __initmv = {
 160         .mv_name                = "Highlander R7780RP-1",
 161         .mv_setup               = r7780rp_setup,
 162
 163         .mv_nr_irqs             = 109,
 164
 165         .mv_inb                 = r7780rp_inb,
 166         .mv_inw                 = r7780rp_inw,
 167         .mv_inl                 = r7780rp_inl,
 168         .mv_outb                = r7780rp_outb,
 169         .mv_outw                = r7780rp_outw,
 170         .mv_outl                = r7780rp_outl,
 171
 172         .mv_inb_p               = r7780rp_inb_p,
 173         .mv_inw_p               = r7780rp_inw,
 174         .mv_inl_p               = r7780rp_inl,
 175         .mv_outb_p              = r7780rp_outb_p,
 176         .mv_outw_p              = r7780rp_outw,
 177         .mv_outl_p              = r7780rp_outl,
 178
 179         .mv_insb                = r7780rp_insb,
 180         .mv_insw                = r7780rp_insw,
 181         .mv_insl                = r7780rp_insl,
 182         .mv_outsb               = r7780rp_outsb,
 183         .mv_outsw               = r7780rp_outsw,
 184         .mv_outsl               = r7780rp_outsl,
 185
 186         .mv_ioport_map          = r7780rp_ioport_map,
 187         .mv_init_irq            = init_r7780rp_IRQ,
 188 #ifdef CONFIG_HEARTBEAT
 189         .mv_heartbeat           = heartbeat_r7780rp,
 190 #endif
 191 };
 192 ALIAS_MV(r7780rp)