arch/sh/boards/renesas/rts7751r2d/setup.c

   1 /*
   2  * Renesas Technology Sales RTS7751R2D Support.
   3  *
   4  * Copyright (C) 2002 - 2006 Atom Create Engineering Co., Ltd.
   5  * Copyright (C) 2004 - 2007 Paul Mundt
   6  *
   7  * This file is subject to the terms and conditions of the GNU General Public
   8  * License.  See the file "COPYING" in the main directory of this archive
   9  * for more details.
  10  */
  11 #include <linux/init.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/pata_platform.h>
  14 #include <linux/serial_8250.h>
  15 #include <linux/sm501.h>
  16 #include <linux/pm.h>
  17 #include <asm/machvec.h>
  18 #include <asm/rts7751r2d.h>
  19 #include <asm/voyagergx.h>
  20 #include <asm/io.h>
  21
  22 static void __init voyagergx_serial_init(void)
  23 {
  24         unsigned long val;
  25
  26         /*
  27          * GPIO Control
  28          */
  29         val = readl((void __iomem *)GPIO_MUX_HIGH);
  30         val |= 0x00001fe0;
  31         writel(val, (void __iomem *)GPIO_MUX_HIGH);
  32
  33         /*
  34          * Power Mode Gate
  35          */
  36         val = readl((void __iomem *)POWER_MODE0_GATE);
  37         val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1);
  38         writel(val, (void __iomem *)POWER_MODE0_GATE);
  39
  40         val = readl((void __iomem *)POWER_MODE1_GATE);
  41         val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1);
  42         writel(val, (void __iomem *)POWER_MODE1_GATE);
  43 }
  44
  45 static struct resource cf_ide_resources[] = {
  46         [0] = {
  47                 .start  = PA_AREA5_IO + 0x1000,
  48                 .end    = PA_AREA5_IO + 0x1000 + 0x08 - 1,
  49                 .flags  = IORESOURCE_MEM,
  50         },
  51         [1] = {
  52                 .start  = PA_AREA5_IO + 0x80c,
  53                 .end    = PA_AREA5_IO + 0x80c + 0x16 - 1,
  54                 .flags  = IORESOURCE_MEM,
  55         },
  56         [2] = {
  57 #ifdef CONFIG_RTS7751R2D_REV11
  58                 .start  = 1,
  59 #else
  60                 .start  = 2,
  61 #endif
  62                 .flags  = IORESOURCE_IRQ,
  63         },
  64 };
  65
  66 static struct pata_platform_info pata_info = {
  67         .ioport_shift   = 1,
  68 };
  69
  70 static struct platform_device cf_ide_device  = {
  71         .name           = "pata_platform",
  72         .id             = -1,
  73         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  74         .resource       = cf_ide_resources,
  75         .dev    = {
  76                 .platform_data  = &pata_info,
  77         },
  78 };
  79
  80 static struct plat_serial8250_port uart_platform_data[] = {
  81         {
  82                 .membase        = (void __iomem *)VOYAGER_UART_BASE,
  83                 .mapbase        = VOYAGER_UART_BASE,
  84                 .iotype         = UPIO_MEM,
  85                 .irq            = VOYAGER_UART0_IRQ,
  86                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  87                 .regshift       = 2,
  88                 .uartclk        = (9600 * 16),
  89         },
  90         { 0 },
  91 };
  92
  93 static struct platform_device uart_device = {
  94         .name           = "serial8250",
  95         .id             = PLAT8250_DEV_PLATFORM,
  96         .dev            = {
  97                 .platform_data  = uart_platform_data,
  98         },
  99 };
 100
 101 static struct resource heartbeat_resources[] = {
 102         [0] = {
 103                 .start  = PA_OUTPORT,
 104                 .end    = PA_OUTPORT + 8 - 1,
 105                 .flags  = IORESOURCE_MEM,
 106         },
 107 };
 108
 109 static struct platform_device heartbeat_device = {
 110         .name           = "heartbeat",
 111         .id             = -1,
 112         .num_resources  = ARRAY_SIZE(heartbeat_resources),
 113         .resource       = heartbeat_resources,
 114 };
 115
 116 static struct resource sm501_resources[] = {
 117         [0]     = {
 118                 .start  = 0x10000000,
 119                 .end    = 0x13e00000 - 1,
 120                 .flags  = IORESOURCE_MEM,
 121         },
 122         [1]     = {
 123                 .start  = 0x13e00000,
 124                 .end    = 0x13ffffff,
 125                 .flags  = IORESOURCE_MEM,
 126         },
 127         [2]     = {
 128                 .start  = 32,
 129                 .flags  = IORESOURCE_IRQ,
 130         },
 131 };
 132
 133 static struct platform_device sm501_device = {
 134         .name           = "sm501",
 135         .id             = -1,
 136         .num_resources  = ARRAY_SIZE(sm501_resources),
 137         .resource       = sm501_resources,
 138 };
 139
 140 static struct platform_device *rts7751r2d_devices[] __initdata = {
 141         &uart_device,
 142         &heartbeat_device,
 143         &sm501_device,
 144 };
 145
 146 static int __init rts7751r2d_devices_setup(void)
 147 {
 148         int ret;
 149
 150         if (ctrl_inw(PA_BVERREG) == 0x10) { /* only working on R2D-PLUS */
 151                 ret = platform_device_register(&cf_ide_device);
 152                 if (ret)
 153                         return ret;
 154         }
 155
 156         return platform_add_devices(rts7751r2d_devices,
 157                                     ARRAY_SIZE(rts7751r2d_devices));
 158 }
 159 __initcall(rts7751r2d_devices_setup);
 160
 161 static void rts7751r2d_power_off(void)
 162 {
 163         ctrl_outw(0x0001, PA_POWOFF);
 164 }
 165
 166 /*
 167  * Initialize the board
 168  */
 169 static void __init rts7751r2d_setup(char **cmdline_p)
 170 {
 171         u16 ver = ctrl_inw(PA_VERREG);
 172
 173         printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
 174
 175         printk(KERN_INFO "FPGA version:%d (revision:%d)\n",
 176                                         (ver >> 4) & 0xf, ver & 0xf);
 177
 178         ctrl_outw(0x0000, PA_OUTPORT);
 179         pm_power_off = rts7751r2d_power_off;
 180
 181         voyagergx_serial_init();
 182 }
 183
 184 /*
 185  * The Machine Vector
 186  */
 187 static struct sh_machine_vector mv_rts7751r2d __initmv = {
 188         .mv_name                = "RTS7751R2D",
 189         .mv_setup               = rts7751r2d_setup,
 190         .mv_nr_irqs             = 72,
 191
 192         .mv_init_irq            = init_rts7751r2d_IRQ,
 193         .mv_irq_demux           = rts7751r2d_irq_demux,
 194
 195 #ifdef CONFIG_USB_SM501
 196         .mv_consistent_alloc    = voyagergx_consistent_alloc,
 197         .mv_consistent_free     = voyagergx_consistent_free,
 198 #endif
 199 };