release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-mmp/ttc_dkb.c

   1 /*
   2  *  linux/arch/arm/mach-mmp/ttc_dkb.c
   3  *
   4  *  Support for the Marvell PXA910-based TTC_DKB Development Platform.
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License version 2 as
   8  *  publishhed by the Free Software Foundation.
   9  */
  10
  11 #include <linux/init.h>
  12 #include <linux/kernel.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/mtd/mtd.h>
  15 #include <linux/mtd/partitions.h>
  16 #include <linux/mtd/onenand.h>
  17
  18 #include <asm/mach-types.h>
  19 #include <asm/mach/arch.h>
  20 #include <asm/mach/flash.h>
  21 #include <mach/addr-map.h>
  22 #include <mach/mfp-pxa910.h>
  23 #include <mach/pxa910.h>
  24
  25 #include "common.h"
  26
  27 static unsigned long ttc_dkb_pin_config[] __initdata = {
  28         /* UART2 */
  29         GPIO47_UART2_RXD,
  30         GPIO48_UART2_TXD,
  31
  32         /* DFI */
  33         DF_IO0_ND_IO0,
  34         DF_IO1_ND_IO1,
  35         DF_IO2_ND_IO2,
  36         DF_IO3_ND_IO3,
  37         DF_IO4_ND_IO4,
  38         DF_IO5_ND_IO5,
  39         DF_IO6_ND_IO6,
  40         DF_IO7_ND_IO7,
  41         DF_IO8_ND_IO8,
  42         DF_IO9_ND_IO9,
  43         DF_IO10_ND_IO10,
  44         DF_IO11_ND_IO11,
  45         DF_IO12_ND_IO12,
  46         DF_IO13_ND_IO13,
  47         DF_IO14_ND_IO14,
  48         DF_IO15_ND_IO15,
  49         DF_nCS0_SM_nCS2_nCS0,
  50         DF_ALE_SM_WEn_ND_ALE,
  51         DF_CLE_SM_OEn_ND_CLE,
  52         DF_WEn_DF_WEn,
  53         DF_REn_DF_REn,
  54         DF_RDY0_DF_RDY0,
  55 };
  56
  57 static struct mtd_partition ttc_dkb_onenand_partitions[] = {
  58         {
  59                 .name           = "bootloader",
  60                 .offset         = 0,
  61                 .size           = SZ_1M,
  62                 .mask_flags     = MTD_WRITEABLE,
  63         }, {
  64                 .name           = "reserved",
  65                 .offset         = MTDPART_OFS_APPEND,
  66                 .size           = SZ_128K,
  67                 .mask_flags     = MTD_WRITEABLE,
  68         }, {
  69                 .name           = "reserved",
  70                 .offset         = MTDPART_OFS_APPEND,
  71                 .size           = SZ_8M,
  72                 .mask_flags     = MTD_WRITEABLE,
  73         }, {
  74                 .name           = "kernel",
  75                 .offset         = MTDPART_OFS_APPEND,
  76                 .size           = (SZ_2M + SZ_1M),
  77                 .mask_flags     = 0,
  78         }, {
  79                 .name           = "filesystem",
  80                 .offset         = MTDPART_OFS_APPEND,
  81                 .size           = SZ_48M,
  82                 .mask_flags     = 0,
  83         }
  84 };
  85
  86 static struct onenand_platform_data ttc_dkb_onenand_info = {
  87         .parts          = ttc_dkb_onenand_partitions,
  88         .nr_parts       = ARRAY_SIZE(ttc_dkb_onenand_partitions),
  89 };
  90
  91 static struct resource ttc_dkb_resource_onenand[] = {
  92         [0] = {
  93                 .start  = SMC_CS0_PHYS_BASE,
  94                 .end    = SMC_CS0_PHYS_BASE + SZ_1M,
  95                 .flags  = IORESOURCE_MEM,
  96         },
  97 };
  98
  99 static struct platform_device ttc_dkb_device_onenand = {
 100         .name           = "onenand-flash",
 101         .id             = -1,
 102         .resource       = ttc_dkb_resource_onenand,
 103         .num_resources  = ARRAY_SIZE(ttc_dkb_resource_onenand),
 104         .dev            = {
 105                 .platform_data  = &ttc_dkb_onenand_info,
 106         },
 107 };
 108
 109 static struct platform_device *ttc_dkb_devices[] = {
 110         &ttc_dkb_device_onenand,
 111 };
 112
 113 static void __init ttc_dkb_init(void)
 114 {
 115         mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
 116
 117         /* on-chip devices */
 118         pxa910_add_uart(1);
 119
 120         /* off-chip devices */
 121         platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
 122 }
 123
 124 MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
 125         .phys_io        = APB_PHYS_BASE,
 126         .io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
 127         .map_io         = mmp_map_io,
 128         .init_irq       = pxa910_init_irq,
 129         .timer          = &pxa910_timer,
 130         .init_machine   = ttc_dkb_init,
 131 MACHINE_END