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 <asm/io.h>
  19 #include <asm/sh7763rdp.h>
  20
  21 /* NOR Flash */
  22 static struct mtd_partition sh7763rdp_nor_flash_partitions[] = {
  23         {
  24                 .name = "U-Boot",
  25                 .offset = 0,
  26                 .size = (2 * 128 * 1024),
  27                 .mask_flags = MTD_WRITEABLE,    /* Read-only */
  28         }, {
  29                 .name = "Linux-Kernel",
  30                 .offset = MTDPART_OFS_APPEND,
  31                 .size = (20 * 128 * 1024),
  32         }, {
  33                 .name = "Root Filesystem",
  34                 .offset = MTDPART_OFS_APPEND,
  35                 .size = MTDPART_SIZ_FULL,
  36         },
  37 };
  38
  39 static struct physmap_flash_data sh7763rdp_nor_flash_data = {
  40         .width = 2,
  41         .parts = sh7763rdp_nor_flash_partitions,
  42         .nr_parts = ARRAY_SIZE(sh7763rdp_nor_flash_partitions),
  43 };
  44
  45 static struct resource sh7763rdp_nor_flash_resources[] = {
  46         [0] = {
  47                 .name = "NOR Flash",
  48                 .start = 0,
  49                 .end = (64 * 1024 * 1024),
  50                 .flags = IORESOURCE_MEM,
  51         },
  52 };
  53
  54 static struct platform_device sh7763rdp_nor_flash_device = {
  55         .name = "physmap-flash",
  56         .resource = sh7763rdp_nor_flash_resources,
  57         .num_resources = ARRAY_SIZE(sh7763rdp_nor_flash_resources),
  58         .dev = {
  59                 .platform_data = &sh7763rdp_nor_flash_data,
  60         },
  61 };
  62
  63 static struct platform_device *sh7763rdp_devices[] __initdata = {
  64         &sh7763rdp_nor_flash_device,
  65 };
  66
  67 static int __init sh7763rdp_devices_setup(void)
  68 {
  69         return platform_add_devices(sh7763rdp_devices,
  70                                     ARRAY_SIZE(sh7763rdp_devices));
  71 }
  72 __initcall(sh7763rdp_devices_setup);
  73
  74 static void __init sh7763rdp_setup(char **cmdline_p)
  75 {
  76         /* Board version check */
  77         if (ctrl_inw(CPLD_BOARD_ID_ERV_REG) == 0xECB1)
  78                 printk(KERN_INFO "RTE Standard Configuration\n");
  79         else
  80                 printk(KERN_INFO "RTA Standard Configuration\n");
  81
  82         /* USB pin select bits (clear bit 5-2 to 0) */
  83         ctrl_outw((ctrl_inw(PORT_PSEL2) & 0xFFC3), PORT_PSEL2);
  84         /* USBH setup port I controls to other (clear bits 4-9 to 0) */
  85         ctrl_outw(ctrl_inw(PORT_PICR) & 0xFC0F, PORT_PICR);
  86
  87         /* Select USB Host controller */
  88         ctrl_outw(0x00, USB_USBHSC);
  89
  90         /* For LCD */
  91         /* set PTJ7-1, bits 15-2 of PJCR to 0 */
  92         ctrl_outw(ctrl_inw(PORT_PJCR) & 0x0003, PORT_PJCR);
  93         /* set PTI5, bits 11-10 of PICR to 0 */
  94         ctrl_outw(ctrl_inw(PORT_PICR) & 0xF3FF, PORT_PICR);
  95         ctrl_outw(0, PORT_PKCR);
  96         ctrl_outw(0, PORT_PLCR);
  97         /* set PSEL2 bits 14-8, 5-4, of PSEL2 to 0 */
  98         ctrl_outw((ctrl_inw(PORT_PSEL2) & 0x00C0), PORT_PSEL2);
  99         /* set PSEL3 bits 14-12, 6-4, 2-0 of PSEL3 to 0 */
 100         ctrl_outw((ctrl_inw(PORT_PSEL3) & 0x0700), PORT_PSEL3);
 101
 102         /* For HAC */
 103         /* bit3-0  0100:HAC & SSI1 enable */
 104         ctrl_outw((ctrl_inw(PORT_PSEL1) & 0xFFF0) | 0x0004, PORT_PSEL1);
 105         /* bit14      1:SSI_HAC_CLK enable */
 106         ctrl_outw(ctrl_inw(PORT_PSEL4) | 0x4000, PORT_PSEL4);
 107
 108         /* SH-Ether */
 109         ctrl_outw((ctrl_inw(PORT_PSEL1) & ~0xff00) | 0x2400, PORT_PSEL1);
 110         ctrl_outw(0x0, PORT_PFCR);
 111         ctrl_outw(0x0, PORT_PFCR);
 112         ctrl_outw(0x0, PORT_PFCR);
 113
 114         /* MMC */
 115         /*selects SCIF and MMC other functions */
 116         ctrl_outw(0x0001, PORT_PSEL0);
 117         /* MMC clock operates */
 118         ctrl_outl(ctrl_inl(MSTPCR1) & ~0x8, MSTPCR1);
 119         ctrl_outw(ctrl_inw(PORT_PACR) & ~0x3000, PORT_PACR);
 120         ctrl_outw(ctrl_inw(PORT_PCCR) & ~0xCFC3, PORT_PCCR);
 121 }
 122
 123 static struct sh_machine_vector mv_sh7763rdp __initmv = {
 124         .mv_name = "sh7763drp",
 125         .mv_setup = sh7763rdp_setup,
 126         .mv_nr_irqs = 112,
 127         .mv_init_irq = init_sh7763rdp_IRQ,
 128 };