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 <linux/fb.h>
  18 #include <asm/machvec.h>
  19 #include <asm/rts7751r2d.h>
  20 #include <asm/voyagergx.h>
  21 #include <asm/io.h>
  22
  23 static void __init voyagergx_serial_init(void)
  24 {
  25         unsigned long val;
  26
  27         /*
  28          * GPIO Control
  29          */
  30         val = readl((void __iomem *)GPIO_MUX_HIGH);
  31         val |= 0x00001fe0;
  32         writel(val, (void __iomem *)GPIO_MUX_HIGH);
  33
  34         /*
  35          * Power Mode Gate
  36          */
  37         val = readl((void __iomem *)POWER_MODE0_GATE);
  38         val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1);
  39         writel(val, (void __iomem *)POWER_MODE0_GATE);
  40
  41         val = readl((void __iomem *)POWER_MODE1_GATE);
  42         val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1);
  43         writel(val, (void __iomem *)POWER_MODE1_GATE);
  44 }
  45
  46 static struct resource cf_ide_resources[] = {
  47         [0] = {
  48                 .start  = PA_AREA5_IO + 0x1000,
  49                 .end    = PA_AREA5_IO + 0x1000 + 0x10 - 0x2,
  50                 .flags  = IORESOURCE_MEM,
  51         },
  52         [1] = {
  53                 .start  = PA_AREA5_IO + 0x80c,
  54                 .end    = PA_AREA5_IO + 0x80c,
  55                 .flags  = IORESOURCE_MEM,
  56         },
  57 #ifndef CONFIG_RTS7751R2D_1 /* For R2D-1 polling is preferred */
  58         [2] = {
  59                 .start  = IRQ_CF_IDE,
  60                 .flags  = IORESOURCE_IRQ,
  61         },
  62 #endif
  63 };
  64
  65 static struct pata_platform_info pata_info = {
  66         .ioport_shift   = 1,
  67 };
  68
  69 static struct platform_device cf_ide_device  = {
  70         .name           = "pata_platform",
  71         .id             = -1,
  72         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  73         .resource       = cf_ide_resources,
  74         .dev    = {
  75                 .platform_data  = &pata_info,
  76         },
  77 };
  78
  79 static struct resource heartbeat_resources[] = {
  80         [0] = {
  81                 .start  = PA_OUTPORT,
  82                 .end    = PA_OUTPORT,
  83                 .flags  = IORESOURCE_MEM,
  84         },
  85 };
  86
  87 static struct platform_device heartbeat_device = {
  88         .name           = "heartbeat",
  89         .id             = -1,
  90         .num_resources  = ARRAY_SIZE(heartbeat_resources),
  91         .resource       = heartbeat_resources,
  92 };
  93
  94 #ifdef CONFIG_MFD_SM501
  95 static struct plat_serial8250_port uart_platform_data[] = {
  96         {
  97                 .membase        = (void __iomem *)VOYAGER_UART_BASE,
  98                 .mapbase        = VOYAGER_UART_BASE,
  99                 .iotype         = UPIO_MEM,
 100                 .irq            = IRQ_SM501_U0,
 101                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 102                 .regshift       = 2,
 103                 .uartclk        = (9600 * 16),
 104         },
 105         { 0 },
 106 };
 107
 108 static struct platform_device uart_device = {
 109         .name           = "serial8250",
 110         .id             = PLAT8250_DEV_PLATFORM,
 111         .dev            = {
 112                 .platform_data  = uart_platform_data,
 113         },
 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  = IRQ_SM501_CV,
 129                 .flags  = IORESOURCE_IRQ,
 130         },
 131 };
 132
 133 static struct fb_videomode sm501_default_mode = {
 134         .pixclock       = 35714,
 135         .xres           = 640,
 136         .yres           = 480,
 137         .left_margin    = 105,
 138         .right_margin   = 50,
 139         .upper_margin   = 35,
 140         .lower_margin   = 0,
 141         .hsync_len      = 96,
 142         .vsync_len      = 2,
 143         .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 144 };
 145
 146 static struct sm501_platdata_fbsub sm501_pdata_fbsub_pnl = {
 147         .def_bpp        = 16,
 148         .def_mode       = &sm501_default_mode,
 149         .flags          = SM501FB_FLAG_USE_INIT_MODE |
 150                           SM501FB_FLAG_USE_HWCURSOR |
 151                           SM501FB_FLAG_USE_HWACCEL |
 152                           SM501FB_FLAG_DISABLE_AT_EXIT,
 153 };
 154
 155 static struct sm501_platdata_fbsub sm501_pdata_fbsub_crt = {
 156         .flags          = (SM501FB_FLAG_USE_INIT_MODE |
 157                            SM501FB_FLAG_USE_HWCURSOR |
 158                            SM501FB_FLAG_USE_HWACCEL |
 159                            SM501FB_FLAG_DISABLE_AT_EXIT),
 160
 161 };
 162
 163 static struct sm501_platdata_fb sm501_fb_pdata = {
 164         .fb_route       = SM501_FB_OWN,
 165         .fb_crt         = &sm501_pdata_fbsub_crt,
 166         .fb_pnl         = &sm501_pdata_fbsub_pnl,
 167         .flags          = SM501_FBPD_SWAP_FB_ENDIAN,
 168 };
 169
 170 static struct sm501_platdata sm501_platform_data = {
 171         .fb             = &sm501_fb_pdata,
 172 };
 173
 174 static struct platform_device sm501_device = {
 175         .name           = "sm501",
 176         .id             = -1,
 177         .dev            = {
 178                 .platform_data  = &sm501_platform_data,
 179         },
 180         .num_resources  = ARRAY_SIZE(sm501_resources),
 181         .resource       = sm501_resources,
 182 };
 183
 184 #endif /* CONFIG_MFD_SM501 */
 185
 186 static struct platform_device *rts7751r2d_devices[] __initdata = {
 187 #ifdef CONFIG_MFD_SM501
 188         &uart_device,
 189         &sm501_device,
 190 #endif
 191         &cf_ide_device,
 192         &heartbeat_device,
 193 };
 194
 195 static int __init rts7751r2d_devices_setup(void)
 196 {
 197         return platform_add_devices(rts7751r2d_devices,
 198                                     ARRAY_SIZE(rts7751r2d_devices));
 199 }
 200 __initcall(rts7751r2d_devices_setup);
 201
 202 static void rts7751r2d_power_off(void)
 203 {
 204         ctrl_outw(0x0001, PA_POWOFF);
 205 }
 206
 207 static inline unsigned char is_ide_ioaddr(unsigned long addr)
 208 {
 209         return ((cf_ide_resources[0].start <= addr &&
 210                  addr <= cf_ide_resources[0].end) ||
 211                 (cf_ide_resources[1].start <= addr &&
 212                  addr <= cf_ide_resources[1].end));
 213 }
 214
 215 void rts7751r2d_writeb(u8 b, void __iomem *addr)
 216 {
 217         unsigned long tmp = (unsigned long __force)addr;
 218
 219         if (is_ide_ioaddr(tmp))
 220                 ctrl_outw((u16)b, tmp);
 221         else
 222                 ctrl_outb(b, tmp);
 223 }
 224
 225 u8 rts7751r2d_readb(void __iomem *addr)
 226 {
 227         unsigned long tmp = (unsigned long __force)addr;
 228
 229         if (is_ide_ioaddr(tmp))
 230                 return ctrl_inw(tmp) & 0xff;
 231         else
 232                 return ctrl_inb(tmp);
 233 }
 234
 235 /*
 236  * Initialize the board
 237  */
 238 static void __init rts7751r2d_setup(char **cmdline_p)
 239 {
 240         u16 ver = ctrl_inw(PA_VERREG);
 241
 242         printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
 243
 244         printk(KERN_INFO "FPGA version:%d (revision:%d)\n",
 245                                         (ver >> 4) & 0xf, ver & 0xf);
 246
 247         ctrl_outw(0x0000, PA_OUTPORT);
 248         pm_power_off = rts7751r2d_power_off;
 249
 250         voyagergx_serial_init();
 251 }
 252
 253 /*
 254  * The Machine Vector
 255  */
 256 static struct sh_machine_vector mv_rts7751r2d __initmv = {
 257         .mv_name                = "RTS7751R2D",
 258         .mv_setup               = rts7751r2d_setup,
 259         .mv_init_irq            = init_rts7751r2d_IRQ,
 260         .mv_irq_demux           = rts7751r2d_irq_demux,
 261         .mv_writeb              = rts7751r2d_writeb,
 262         .mv_readb               = rts7751r2d_readb,
 263 #if defined(CONFIG_MFD_SM501) && defined(CONFIG_USB_OHCI_HCD)
 264         .mv_consistent_alloc    = voyagergx_consistent_alloc,
 265         .mv_consistent_free     = voyagergx_consistent_free,
 266 #endif
 267 };