release/src-rt-6.x.4708/linux/linux-2.6.36/arch/sh/boards/mach-sh7763rdp/setup.c

   1 /*
   2  * linux/arch/sh/boards/renesas/sh7763rdp/setup.c
   3  *
   4  * Renesas Solutions sh7763rdp board
   5  *
   6  * Copyright (C) 2008 Renesas Solutions Corp.
   7  * Copyright (C) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
   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 <linux/interrupt.h>
  16 #include <linux/input.h>
  17 #include <linux/mtd/physmap.h>
  18 #include <linux/fb.h>
  19 #include <linux/io.h>
  20 #include <mach/sh7763rdp.h>
  21 #include <asm/sh_eth.h>
  22 #include <asm/sh7760fb.h>
  23
  24 /* NOR Flash */
  25 static struct mtd_partition sh7763rdp_nor_flash_partitions[] = {
  26         {
  27                 .name = "U-Boot",
  28                 .offset = 0,
  29                 .size = (2 * 128 * 1024),
  30                 .mask_flags = MTD_WRITEABLE,    /* Read-only */
  31         }, {
  32                 .name = "Linux-Kernel",
  33                 .offset = MTDPART_OFS_APPEND,
  34                 .size = (20 * 128 * 1024),
  35         }, {
  36                 .name = "Root Filesystem",
  37                 .offset = MTDPART_OFS_APPEND,
  38                 .size = MTDPART_SIZ_FULL,
  39         },
  40 };
  41
  42 static struct physmap_flash_data sh7763rdp_nor_flash_data = {
  43         .width = 2,
  44         .parts = sh7763rdp_nor_flash_partitions,
  45         .nr_parts = ARRAY_SIZE(sh7763rdp_nor_flash_partitions),
  46 };
  47
  48 static struct resource sh7763rdp_nor_flash_resources[] = {
  49         [0] = {
  50                 .name = "NOR Flash",
  51                 .start = 0,
  52                 .end = (64 * 1024 * 1024),
  53                 .flags = IORESOURCE_MEM,
  54         },
  55 };
  56
  57 static struct platform_device sh7763rdp_nor_flash_device = {
  58         .name = "physmap-flash",
  59         .resource = sh7763rdp_nor_flash_resources,
  60         .num_resources = ARRAY_SIZE(sh7763rdp_nor_flash_resources),
  61         .dev = {
  62                 .platform_data = &sh7763rdp_nor_flash_data,
  63         },
  64 };
  65
  66 /*
  67  * SH-Ether
  68  *
  69  * SH Ether of SH7763 has multi IRQ handling.
  70  * (57,58,59 -> 57)
  71  */
  72 static struct resource sh_eth_resources[] = {
  73         {
  74                 .start  = 0xFEE00800,   /* use eth1 */
  75                 .end    = 0xFEE00F7C - 1,
  76                 .flags  = IORESOURCE_MEM,
  77         }, {
  78                 .start  = 57,   /* irq number */
  79                 .flags  = IORESOURCE_IRQ,
  80         },
  81 };
  82
  83 static struct sh_eth_plat_data sh7763_eth_pdata = {
  84         .phy = 1,
  85         .edmac_endian = EDMAC_LITTLE_ENDIAN,
  86 };
  87
  88 static struct platform_device sh7763rdp_eth_device = {
  89         .name       = "sh-eth",
  90         .resource   = sh_eth_resources,
  91         .num_resources  = ARRAY_SIZE(sh_eth_resources),
  92         .dev        = {
  93                 .platform_data = &sh7763_eth_pdata,
  94         },
  95 };
  96
  97 /* SH7763 LCDC */
  98 static struct resource sh7763rdp_fb_resources[] = {
  99         {
 100                 .start  = 0xFFE80000,
 101                 .end    = 0xFFE80442 - 1,
 102                 .flags  = IORESOURCE_MEM,
 103         },
 104 };
 105
 106 static struct fb_videomode sh7763fb_videomode = {
 107         .refresh = 60,
 108         .name = "VGA Monitor",
 109         .xres = 640,
 110         .yres = 480,
 111         .pixclock = 10000,
 112         .left_margin = 80,
 113         .right_margin = 24,
 114         .upper_margin = 30,
 115         .lower_margin = 1,
 116         .hsync_len = 96,
 117         .vsync_len = 1,
 118         .sync = 0,
 119         .vmode = FB_VMODE_NONINTERLACED,
 120         .flag = FBINFO_FLAG_DEFAULT,
 121 };
 122
 123 static struct sh7760fb_platdata sh7763fb_def_pdata = {
 124         .def_mode = &sh7763fb_videomode,
 125         .ldmtr = (LDMTR_TFT_COLOR_16|LDMTR_MCNT),
 126         .lddfr = LDDFR_16BPP_RGB565,
 127         .ldpmmr = 0x0000,
 128         .ldpspr = 0xFFFF,
 129         .ldaclnr = 0x0001,
 130         .ldickr = 0x1102,
 131         .rotate = 0,
 132         .novsync = 0,
 133         .blank = NULL,
 134 };
 135
 136 static struct platform_device sh7763rdp_fb_device = {
 137         .name           = "sh7760-lcdc",
 138         .resource       = sh7763rdp_fb_resources,
 139         .num_resources = ARRAY_SIZE(sh7763rdp_fb_resources),
 140         .dev = {
 141                 .platform_data = &sh7763fb_def_pdata,
 142         },
 143 };
 144
 145 static struct platform_device *sh7763rdp_devices[] __initdata = {
 146         &sh7763rdp_nor_flash_device,
 147         &sh7763rdp_eth_device,
 148         &sh7763rdp_fb_device,
 149 };
 150
 151 static int __init sh7763rdp_devices_setup(void)
 152 {
 153         return platform_add_devices(sh7763rdp_devices,
 154                                     ARRAY_SIZE(sh7763rdp_devices));
 155 }
 156 device_initcall(sh7763rdp_devices_setup);
 157
 158 static void __init sh7763rdp_setup(char **cmdline_p)
 159 {
 160         /* Board version check */
 161         if (__raw_readw(CPLD_BOARD_ID_ERV_REG) == 0xECB1)
 162                 printk(KERN_INFO "RTE Standard Configuration\n");
 163         else
 164                 printk(KERN_INFO "RTA Standard Configuration\n");
 165
 166         /* USB pin select bits (clear bit 5-2 to 0) */
 167         __raw_writew((__raw_readw(PORT_PSEL2) & 0xFFC3), PORT_PSEL2);
 168         /* USBH setup port I controls to other (clear bits 4-9 to 0) */
 169         __raw_writew(__raw_readw(PORT_PICR) & 0xFC0F, PORT_PICR);
 170
 171         /* Select USB Host controller */
 172         __raw_writew(0x00, USB_USBHSC);
 173
 174         /* For LCD */
 175         /* set PTJ7-1, bits 15-2 of PJCR to 0 */
 176         __raw_writew(__raw_readw(PORT_PJCR) & 0x0003, PORT_PJCR);
 177         /* set PTI5, bits 11-10 of PICR to 0 */
 178         __raw_writew(__raw_readw(PORT_PICR) & 0xF3FF, PORT_PICR);
 179         __raw_writew(0, PORT_PKCR);
 180         __raw_writew(0, PORT_PLCR);
 181         /* set PSEL2 bits 14-8, 5-4, of PSEL2 to 0 */
 182         __raw_writew((__raw_readw(PORT_PSEL2) & 0x00C0), PORT_PSEL2);
 183         /* set PSEL3 bits 14-12, 6-4, 2-0 of PSEL3 to 0 */
 184         __raw_writew((__raw_readw(PORT_PSEL3) & 0x0700), PORT_PSEL3);
 185
 186         /* For HAC */
 187         /* bit3-0  0100:HAC & SSI1 enable */
 188         __raw_writew((__raw_readw(PORT_PSEL1) & 0xFFF0) | 0x0004, PORT_PSEL1);
 189         /* bit14      1:SSI_HAC_CLK enable */
 190         __raw_writew(__raw_readw(PORT_PSEL4) | 0x4000, PORT_PSEL4);
 191
 192         /* SH-Ether */
 193         __raw_writew((__raw_readw(PORT_PSEL1) & ~0xff00) | 0x2400, PORT_PSEL1);
 194         __raw_writew(0x0, PORT_PFCR);
 195         __raw_writew(0x0, PORT_PFCR);
 196         __raw_writew(0x0, PORT_PFCR);
 197
 198         /* MMC */
 199         /*selects SCIF and MMC other functions */
 200         __raw_writew(0x0001, PORT_PSEL0);
 201         /* MMC clock operates */
 202         __raw_writel(__raw_readl(MSTPCR1) & ~0x8, MSTPCR1);
 203         __raw_writew(__raw_readw(PORT_PACR) & ~0x3000, PORT_PACR);
 204         __raw_writew(__raw_readw(PORT_PCCR) & ~0xCFC3, PORT_PCCR);
 205 }
 206
 207 static struct sh_machine_vector mv_sh7763rdp __initmv = {
 208         .mv_name = "sh7763drp",
 209         .mv_setup = sh7763rdp_setup,
 210         .mv_nr_irqs = 112,
 211         .mv_init_irq = init_sh7763rdp_IRQ,
 212 };