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 - 2007 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 <linux/pata_platform.h>
  16 #include <asm/machvec.h>
  17 #include <asm/r7780rp.h>
  18 #include <asm/clock.h>
  19 #include <asm/io.h>
  20
  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  = PA_AREA5_IO + 0x1000,
  50                 .end    = PA_AREA5_IO + 0x1000 + 0x08 - 1,
  51                 .flags  = IORESOURCE_MEM,
  52         },
  53         [1] = {
  54                 .start  = PA_AREA5_IO + 0x80c,
  55                 .end    = PA_AREA5_IO + 0x80c + 0x16 - 1,
  56                 .flags  = IORESOURCE_MEM,
  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 pata_platform_info pata_info = {
  69         .ioport_shift   = 1,
  70 };
  71
  72 static struct platform_device cf_ide_device  = {
  73         .name           = "pata_platform",
  74         .id             = -1,
  75         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  76         .resource       = cf_ide_resources,
  77         .dev    = {
  78                 .platform_data  = &pata_info,
  79         },
  80 };
  81
  82 static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
  83
  84 static struct resource heartbeat_resources[] = {
  85         [0] = {
  86                 .start  = PA_OBLED,
  87                 .end    = PA_OBLED + ARRAY_SIZE(heartbeat_bit_pos) - 1,
  88                 .flags  = IORESOURCE_MEM,
  89         },
  90 };
  91
  92 static struct platform_device heartbeat_device = {
  93         .name           = "heartbeat",
  94         .id             = -1,
  95         .dev    = {
  96                 .platform_data  = heartbeat_bit_pos,
  97         },
  98         .num_resources  = ARRAY_SIZE(heartbeat_resources),
  99         .resource       = heartbeat_resources,
 100 };
 101
 102 static struct platform_device *r7780rp_devices[] __initdata = {
 103         &m66596_usb_host_device,
 104         &cf_ide_device,
 105         &heartbeat_device,
 106 };
 107
 108 static int __init r7780rp_devices_setup(void)
 109 {
 110         return platform_add_devices(r7780rp_devices,
 111                                     ARRAY_SIZE(r7780rp_devices));
 112 }
 113
 114 /*
 115  * Platform specific clocks
 116  */
 117 static void ivdr_clk_enable(struct clk *clk)
 118 {
 119         ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << 8), PA_IVDRCTL);
 120 }
 121
 122 static void ivdr_clk_disable(struct clk *clk)
 123 {
 124         ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << 8), PA_IVDRCTL);
 125 }
 126
 127 static struct clk_ops ivdr_clk_ops = {
 128         .enable         = ivdr_clk_enable,
 129         .disable        = ivdr_clk_disable,
 130 };
 131
 132 static struct clk ivdr_clk = {
 133         .name           = "ivdr_clk",
 134         .ops            = &ivdr_clk_ops,
 135 };
 136
 137 static struct clk *r7780rp_clocks[] = {
 138         &ivdr_clk,
 139 };
 140
 141 static void r7780rp_power_off(void)
 142 {
 143 #ifdef CONFIG_SH_R7780MP
 144         ctrl_outw(0x0001, PA_POFF);
 145 #endif
 146 }
 147
 148 /*
 149  * Initialize the board
 150  */
 151 static void __init r7780rp_setup(char **cmdline_p)
 152 {
 153         u16 ver = ctrl_inw(PA_VERREG);
 154         int i;
 155
 156         device_initcall(r7780rp_devices_setup);
 157
 158         printk(KERN_INFO "Renesas Solutions Highlander R7780RP-1 support.\n");
 159
 160         printk(KERN_INFO "Board version: %d (revision %d), "
 161                          "FPGA version: %d (revision %d)\n",
 162                          (ver >> 12) & 0xf, (ver >> 8) & 0xf,
 163                          (ver >>  4) & 0xf, ver & 0xf);
 164
 165         /*
 166          * Enable the important clocks right away..
 167          */
 168         for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
 169                 struct clk *clk = r7780rp_clocks[i];
 170
 171                 clk_register(clk);
 172                 clk_enable(clk);
 173         }
 174
 175         ctrl_outw(0x0000, PA_OBLED);    /* Clear LED. */
 176 #ifndef CONFIG_SH_R7780MP
 177         ctrl_outw(0x0001, PA_SDPOW);    /* SD Power ON */
 178 #endif
 179         ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL);     /* Si13112 */
 180
 181         pm_power_off = r7780rp_power_off;
 182 }
 183
 184 /*
 185  * The Machine Vector
 186  */
 187 struct sh_machine_vector mv_r7780rp __initmv = {
 188         .mv_name                = "Highlander R7780RP-1",
 189         .mv_setup               = r7780rp_setup,
 190
 191         .mv_nr_irqs             = 109,
 192
 193         .mv_inb                 = r7780rp_inb,
 194         .mv_inw                 = r7780rp_inw,
 195         .mv_inl                 = r7780rp_inl,
 196         .mv_outb                = r7780rp_outb,
 197         .mv_outw                = r7780rp_outw,
 198         .mv_outl                = r7780rp_outl,
 199
 200         .mv_inb_p               = r7780rp_inb_p,
 201         .mv_inw_p               = r7780rp_inw,
 202         .mv_inl_p               = r7780rp_inl,
 203         .mv_outb_p              = r7780rp_outb_p,
 204         .mv_outw_p              = r7780rp_outw,
 205         .mv_outl_p              = r7780rp_outl,
 206
 207         .mv_insb                = r7780rp_insb,
 208         .mv_insw                = r7780rp_insw,
 209         .mv_insl                = r7780rp_insl,
 210         .mv_outsb               = r7780rp_outsb,
 211         .mv_outsw               = r7780rp_outsw,
 212         .mv_outsl               = r7780rp_outsl,
 213
 214         .mv_ioport_map          = r7780rp_ioport_map,
 215         .mv_init_irq            = init_r7780rp_IRQ,
 216 };
 217 ALIAS_MV(r7780rp)