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 platform_device *r7780rp_devices[] __initdata = {
  48         &m66596_usb_host_device,
  49 };
  50
  51 static int __init r7780rp_devices_setup(void)
  52 {
  53         return platform_add_devices(r7780rp_devices,
  54                                     ARRAY_SIZE(r7780rp_devices));
  55 }
  56
  57 /*
  58  * Platform specific clocks
  59  */
  60 static void ivdr_clk_enable(struct clk *clk)
  61 {
  62         ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << 8), PA_IVDRCTL);
  63 }
  64
  65 static void ivdr_clk_disable(struct clk *clk)
  66 {
  67         ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << 8), PA_IVDRCTL);
  68 }
  69
  70 static struct clk_ops ivdr_clk_ops = {
  71         .enable         = ivdr_clk_enable,
  72         .disable        = ivdr_clk_disable,
  73 };
  74
  75 static struct clk ivdr_clk = {
  76         .name           = "ivdr_clk",
  77         .ops            = &ivdr_clk_ops,
  78 };
  79
  80 static struct clk *r7780rp_clocks[] = {
  81         &ivdr_clk,
  82 };
  83
  84 static void r7780rp_power_off(void)
  85 {
  86 #ifdef CONFIG_SH_R7780MP
  87         ctrl_outw(0x0001, PA_POFF);
  88 #endif
  89 }
  90
  91 /*
  92  * Initialize the board
  93  */
  94 static void __init r7780rp_setup(char **cmdline_p)
  95 {
  96         u16 ver = ctrl_inw(PA_VERREG);
  97         int i;
  98
  99         device_initcall(r7780rp_devices_setup);
 100
 101         printk(KERN_INFO "Renesas Solutions Highlander R7780RP-1 support.\n");
 102
 103         printk(KERN_INFO "Board version: %d (revision %d), "
 104                          "FPGA version: %d (revision %d)\n",
 105                          (ver >> 12) & 0xf, (ver >> 8) & 0xf,
 106                          (ver >>  4) & 0xf, ver & 0xf);
 107
 108         /*
 109          * Enable the important clocks right away..
 110          */
 111         for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
 112                 struct clk *clk = r7780rp_clocks[i];
 113
 114                 clk_register(clk);
 115                 clk_enable(clk);
 116         }
 117
 118         ctrl_outw(0x0000, PA_OBLED);    /* Clear LED. */
 119 #ifndef CONFIG_SH_R7780MP
 120         ctrl_outw(0x0001, PA_SDPOW);    /* SD Power ON */
 121 #endif
 122         ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x0100, PA_IVDRCTL);   /* Si13112 */
 123
 124         pm_power_off = r7780rp_power_off;
 125 }
 126
 127 /*
 128  * The Machine Vector
 129  */
 130 struct sh_machine_vector mv_r7780rp __initmv = {
 131         .mv_name                = "Highlander R7780RP-1",
 132         .mv_setup               = r7780rp_setup,
 133
 134         .mv_nr_irqs             = 109,
 135
 136         .mv_inb                 = r7780rp_inb,
 137         .mv_inw                 = r7780rp_inw,
 138         .mv_inl                 = r7780rp_inl,
 139         .mv_outb                = r7780rp_outb,
 140         .mv_outw                = r7780rp_outw,
 141         .mv_outl                = r7780rp_outl,
 142
 143         .mv_inb_p               = r7780rp_inb_p,
 144         .mv_inw_p               = r7780rp_inw,
 145         .mv_inl_p               = r7780rp_inl,
 146         .mv_outb_p              = r7780rp_outb_p,
 147         .mv_outw_p              = r7780rp_outw,
 148         .mv_outl_p              = r7780rp_outl,
 149
 150         .mv_insb                = r7780rp_insb,
 151         .mv_insw                = r7780rp_insw,
 152         .mv_insl                = r7780rp_insl,
 153         .mv_outsb               = r7780rp_outsb,
 154         .mv_outsw               = r7780rp_outsw,
 155         .mv_outsl               = r7780rp_outsl,
 156
 157         .mv_ioport_map          = r7780rp_ioport_map,
 158         .mv_init_irq            = init_r7780rp_IRQ,
 159 #ifdef CONFIG_HEARTBEAT
 160         .mv_heartbeat           = heartbeat_r7780rp,
 161 #endif
 162 };
 163 ALIAS_MV(r7780rp)