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