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 #include <linux/interrupt.h>
  18
  19 #include <asm/mach-types.h>
  20 #include <asm/mach/arch.h>
  21 #include <asm/mach/flash.h>
  22 #include <mach/addr-map.h>
  23 #include <mach/mfp-pxa910.h>
  24 #include <mach/pxa910.h>
  25
  26 #include "common.h"
  27
  28 #define TTCDKB_NR_IRQS          (IRQ_BOARD_START + 24)
  29
  30 static unsigned long ttc_dkb_pin_config[] __initdata = {
  31         /* UART2 */
  32         GPIO47_UART2_RXD,
  33         GPIO48_UART2_TXD,
  34
  35         /* DFI */
  36         DF_IO0_ND_IO0,
  37         DF_IO1_ND_IO1,
  38         DF_IO2_ND_IO2,
  39         DF_IO3_ND_IO3,
  40         DF_IO4_ND_IO4,
  41         DF_IO5_ND_IO5,
  42         DF_IO6_ND_IO6,
  43         DF_IO7_ND_IO7,
  44         DF_IO8_ND_IO8,
  45         DF_IO9_ND_IO9,
  46         DF_IO10_ND_IO10,
  47         DF_IO11_ND_IO11,
  48         DF_IO12_ND_IO12,
  49         DF_IO13_ND_IO13,
  50         DF_IO14_ND_IO14,
  51         DF_IO15_ND_IO15,
  52         DF_nCS0_SM_nCS2_nCS0,
  53         DF_ALE_SM_WEn_ND_ALE,
  54         DF_CLE_SM_OEn_ND_CLE,
  55         DF_WEn_DF_WEn,
  56         DF_REn_DF_REn,
  57         DF_RDY0_DF_RDY0,
  58 };
  59
  60 static struct mtd_partition ttc_dkb_onenand_partitions[] = {
  61         {
  62                 .name           = "bootloader",
  63                 .offset         = 0,
  64                 .size           = SZ_1M,
  65                 .mask_flags     = MTD_WRITEABLE,
  66         }, {
  67                 .name           = "reserved",
  68                 .offset         = MTDPART_OFS_APPEND,
  69                 .size           = SZ_128K,
  70                 .mask_flags     = MTD_WRITEABLE,
  71         }, {
  72                 .name           = "reserved",
  73                 .offset         = MTDPART_OFS_APPEND,
  74                 .size           = SZ_8M,
  75                 .mask_flags     = MTD_WRITEABLE,
  76         }, {
  77                 .name           = "kernel",
  78                 .offset         = MTDPART_OFS_APPEND,
  79                 .size           = (SZ_2M + SZ_1M),
  80                 .mask_flags     = 0,
  81         }, {
  82                 .name           = "filesystem",
  83                 .offset         = MTDPART_OFS_APPEND,
  84                 .size           = SZ_48M,
  85                 .mask_flags     = 0,
  86         }
  87 };
  88
  89 static struct onenand_platform_data ttc_dkb_onenand_info = {
  90         .parts          = ttc_dkb_onenand_partitions,
  91         .nr_parts       = ARRAY_SIZE(ttc_dkb_onenand_partitions),
  92 };
  93
  94 static struct resource ttc_dkb_resource_onenand[] = {
  95         [0] = {
  96                 .start  = SMC_CS0_PHYS_BASE,
  97                 .end    = SMC_CS0_PHYS_BASE + SZ_1M,
  98                 .flags  = IORESOURCE_MEM,
  99         },
 100 };
 101
 102 static struct platform_device ttc_dkb_device_onenand = {
 103         .name           = "onenand-flash",
 104         .id             = -1,
 105         .resource       = ttc_dkb_resource_onenand,
 106         .num_resources  = ARRAY_SIZE(ttc_dkb_resource_onenand),
 107         .dev            = {
 108                 .platform_data  = &ttc_dkb_onenand_info,
 109         },
 110 };
 111
 112 static struct platform_device *ttc_dkb_devices[] = {
 113         &ttc_dkb_device_onenand,
 114 };
 115
 116 static void __init ttc_dkb_init(void)
 117 {
 118         mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
 119
 120         /* on-chip devices */
 121         pxa910_add_uart(1);
 122
 123         /* off-chip devices */
 124         platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
 125 }
 126
 127 MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
 128         .map_io         = mmp_map_io,
 129         .nr_irqs        = TTCDKB_NR_IRQS,
 130         .init_irq       = pxa910_init_irq,
 131         .timer          = &pxa910_timer,
 132         .init_machine   = ttc_dkb_init,
 133 MACHINE_END