err.no Git - linux-2.6/blob - arch/sh/boards/renesas/r7780rp/setup.c

   1 /*
   2  * arch/sh/boards/renesas/r7780rp/setup.c
   3  *
   4  * Renesas Solutions Highlander Support.
   5  *
   6  * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
   7  * Copyright (C) 2005 - 2007 Paul Mundt
   8  *
   9  * This contains support for the R7780RP-1, R7780MP, and R7785RP
  10  * Highlander modules.
  11  *
  12  * This file is subject to the terms and conditions of the GNU General Public
  13  * License.  See the file "COPYING" in the main directory of this archive
  14  * for more details.
  15  */
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/pata_platform.h>
  19 #include <asm/machvec.h>
  20 #include <asm/r7780rp.h>
  21 #include <asm/clock.h>
  22 #include <asm/heartbeat.h>
  23 #include <asm/io.h>
  24
  25 static struct resource r8a66597_usb_host_resources[] = {
  26         [0] = {
  27                 .name   = "r8a66597_hcd",
  28                 .start  = 0xA4200000,
  29                 .end    = 0xA42000FF,
  30                 .flags  = IORESOURCE_MEM,
  31         },
  32         [1] = {
  33                 .name   = "r8a66597_hcd",
  34                 .start  = 11,           /* irq number */
  35                 .end    = 11,
  36                 .flags  = IORESOURCE_IRQ,
  37         },
  38 };
  39
  40 static struct platform_device r8a66597_usb_host_device = {
  41         .name           = "r8a66597_hcd",
  42         .id             = -1,
  43         .dev = {
  44                 .dma_mask               = NULL,         /* don't use dma */
  45                 .coherent_dma_mask      = 0xffffffff,
  46         },
  47         .num_resources  = ARRAY_SIZE(r8a66597_usb_host_resources),
  48         .resource       = r8a66597_usb_host_resources,
  49 };
  50
  51 static struct resource m66592_usb_peripheral_resources[] = {
  52         [0] = {
  53                 .name   = "m66592_udc",
  54                 .start  = 0xb0000000,
  55                 .end    = 0xb00000FF,
  56                 .flags  = IORESOURCE_MEM,
  57         },
  58         [1] = {
  59                 .name   = "m66592_udc",
  60                 .start  = 9,            /* irq number */
  61                 .end    = 9,
  62                 .flags  = IORESOURCE_IRQ,
  63         },
  64 };
  65
  66 static struct platform_device m66592_usb_peripheral_device = {
  67         .name           = "m66592_udc",
  68         .id             = -1,
  69         .dev = {
  70                 .dma_mask               = NULL,         /* don't use dma */
  71                 .coherent_dma_mask      = 0xffffffff,
  72         },
  73         .num_resources  = ARRAY_SIZE(m66592_usb_peripheral_resources),
  74         .resource       = m66592_usb_peripheral_resources,
  75 };
  76
  77 static struct resource cf_ide_resources[] = {
  78         [0] = {
  79                 .start  = PA_AREA5_IO + 0x1000,
  80                 .end    = PA_AREA5_IO + 0x1000 + 0x08 - 1,
  81                 .flags  = IORESOURCE_MEM,
  82         },
  83         [1] = {
  84                 .start  = PA_AREA5_IO + 0x80c,
  85                 .end    = PA_AREA5_IO + 0x80c + 0x16 - 1,
  86                 .flags  = IORESOURCE_MEM,
  87         },
  88         [2] = {
  89 #ifdef CONFIG_SH_R7780RP
  90                 .start  = 4,
  91 #else
  92                 .start  = 1,
  93 #endif
  94                 .flags  = IORESOURCE_IRQ,
  95         },
  96 };
  97
  98 static struct pata_platform_info pata_info = {
  99         .ioport_shift   = 1,
 100 };
 101
 102 static struct platform_device cf_ide_device  = {
 103         .name           = "pata_platform",
 104         .id             = -1,
 105         .num_resources  = ARRAY_SIZE(cf_ide_resources),
 106         .resource       = cf_ide_resources,
 107         .dev    = {
 108                 .platform_data  = &pata_info,
 109         },
 110 };
 111
 112 static struct resource heartbeat_resources[] = {
 113         [0] = {
 114                 .start  = PA_OBLED,
 115                 .end    = PA_OBLED,
 116                 .flags  = IORESOURCE_MEM,
 117         },
 118 };
 119
 120 #ifndef CONFIG_SH_R7785RP
 121 static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
 122
 123 static struct heartbeat_data heartbeat_data = {
 124         .bit_pos        = heartbeat_bit_pos,
 125         .nr_bits        = ARRAY_SIZE(heartbeat_bit_pos),
 126 };
 127 #endif
 128
 129 static struct platform_device heartbeat_device = {
 130         .name           = "heartbeat",
 131         .id             = -1,
 132
 133         /* R7785RP has a slightly more sensible FPGA.. */
 134 #ifndef CONFIG_SH_R7785RP
 135         .dev    = {
 136                 .platform_data  = &heartbeat_data,
 137         },
 138 #endif
 139         .num_resources  = ARRAY_SIZE(heartbeat_resources),
 140         .resource       = heartbeat_resources,
 141 };
 142
 143 static struct platform_device *r7780rp_devices[] __initdata = {
 144         &r8a66597_usb_host_device,
 145         &m66592_usb_peripheral_device,
 146         &cf_ide_device,
 147         &heartbeat_device,
 148 };
 149
 150 static int __init r7780rp_devices_setup(void)
 151 {
 152         return platform_add_devices(r7780rp_devices,
 153                                     ARRAY_SIZE(r7780rp_devices));
 154 }
 155 device_initcall(r7780rp_devices_setup);
 156
 157 /*
 158  * Platform specific clocks
 159  */
 160 static void ivdr_clk_enable(struct clk *clk)
 161 {
 162         ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL);
 163 }
 164
 165 static void ivdr_clk_disable(struct clk *clk)
 166 {
 167         ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL);
 168 }
 169
 170 static struct clk_ops ivdr_clk_ops = {
 171         .enable         = ivdr_clk_enable,
 172         .disable        = ivdr_clk_disable,
 173 };
 174
 175 static struct clk ivdr_clk = {
 176         .name           = "ivdr_clk",
 177         .ops            = &ivdr_clk_ops,
 178 };
 179
 180 static struct clk *r7780rp_clocks[] = {
 181         &ivdr_clk,
 182 };
 183
 184 static void r7780rp_power_off(void)
 185 {
 186         if (mach_is_r7780mp() || mach_is_r7785rp())
 187                 ctrl_outw(0x0001, PA_POFF);
 188 }
 189
 190 /*
 191  * Initialize the board
 192  */
 193 static void __init highlander_setup(char **cmdline_p)
 194 {
 195         u16 ver = ctrl_inw(PA_VERREG);
 196         int i;
 197
 198         printk(KERN_INFO "Renesas Solutions Highlander %s support.\n",
 199                          mach_is_r7780rp() ? "R7780RP-1" :
 200                          mach_is_r7780mp() ? "R7780MP"   :
 201                                              "R7785RP");
 202
 203         printk(KERN_INFO "Board version: %d (revision %d), "
 204                          "FPGA version: %d (revision %d)\n",
 205                          (ver >> 12) & 0xf, (ver >> 8) & 0xf,
 206                          (ver >>  4) & 0xf, ver & 0xf);
 207
 208         /*
 209          * Enable the important clocks right away..
 210          */
 211         for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
 212                 struct clk *clk = r7780rp_clocks[i];
 213
 214                 clk_register(clk);
 215                 clk_enable(clk);
 216         }
 217
 218         ctrl_outw(0x0000, PA_OBLED);    /* Clear LED. */
 219
 220         if (mach_is_r7780rp())
 221                 ctrl_outw(0x0001, PA_SDPOW);    /* SD Power ON */
 222
 223         ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL);     /* Si13112 */
 224
 225         pm_power_off = r7780rp_power_off;
 226 }
 227
 228 /*
 229  * The Machine Vector
 230  */
 231 static struct sh_machine_vector mv_highlander __initmv = {
 232         .mv_name                = "Highlander",
 233         .mv_nr_irqs             = 109,
 234         .mv_setup               = highlander_setup,
 235         .mv_init_irq            = highlander_init_irq,
 236 };