target/linux/pxa-2.6/patches/005-mtd.patch

   1 diff -Nurb linux-2.6.17/drivers/mtd/chips/cfi_cmdset_0001.c linux-2.6.17-patched/drivers/mtd/chips/cfi_cmdset_0001.c
   2 --- linux-2.6.17/drivers/mtd/chips/cfi_cmdset_0001.c    2006-06-17 18:49:35.000000000 -0700
   3 +++ linux-2.6.17-patched/drivers/mtd/chips/cfi_cmdset_0001.c    2006-09-25 11:27:06.000000000 -0700
   4 @@ -40,7 +40,7 @@
   5  /* #define CMDSET0001_DISABLE_WRITE_SUSPEND */
   6
   7  // debugging, turns off buffer write mode if set to 1
   8 -#define FORCE_WORD_WRITE 0
   9 +#define FORCE_WORD_WRITE 1
  10
  11  #define MANUFACTURER_INTEL     0x0089
  12  #define I82802AB       0x00ad
  13 diff -Nurb linux-2.6.17/drivers/mtd/maps/lubbock-flash.c linux-2.6.17-patched/drivers/mtd/maps/lubbock-flash.c
  14 --- linux-2.6.17/drivers/mtd/maps/lubbock-flash.c       2006-06-17 18:49:35.000000000 -0700
  15 +++ linux-2.6.17-patched/drivers/mtd/maps/lubbock-flash.c       2006-09-25 10:50:08.000000000 -0700
  16 @@ -26,6 +26,7 @@
  17  #include <asm/hardware.h>
  18  #include <asm/arch/pxa-regs.h>
  19  #include <asm/arch/lubbock.h>
  20 +#include <linux/mtd/concat.h>
  21
  22
  23  #define ROM_ADDR       0x00000000
  24 @@ -48,24 +49,27 @@
  25         .inval_cache =  lubbock_map_inval_cache,
  26  } };
  27
  28 -static struct mtd_partition lubbock_partitions[] = {
  29 +static struct mtd_partition lubbock_partitions[] =
  30 +{
  31         {
  32 -               .name =         "Bootloader",
  33 -               .size =         0x00040000,
  34 -               .offset =       0,
  35 -               .mask_flags =   MTD_WRITEABLE  /* force read-only */
  36 -       },{
  37 -               .name =         "Kernel",
  38 -               .size =         0x00100000,
  39 -               .offset =       0x00040000,
  40 -       },{
  41 -               .name =         "Filesystem",
  42 -               .size =         MTDPART_SIZ_FULL,
  43 -               .offset =       0x00140000
  44 -       }
  45 +               .name   =   "root",
  46 +               .offset =   0x00410000
  47 +       },
  48 +       {
  49 +               .name   =  "kernel",
  50 +               .size   =  0x00150000,
  51 +               .offset =  0x000B0000
  52 +       },
  53 +       {
  54 +               .name   =  "bootloader",
  55 +               .size   =  0x000B0000,
  56 +               .offset =  0x00000000
  57 +       },
  58  };
  59
  60 +
  61  static struct mtd_info *mymtds[2];
  62 +static struct mtd_info *merged_mtd;
  63  static struct mtd_partition *parsed_parts[2];
  64  static int nr_parsed_parts[2];
  65
  66 @@ -83,8 +87,8 @@
  67         printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
  68                flashboot?"Flash":"ROM", flashboot);
  69
  70 -       lubbock_maps[flashboot^1].name = "Lubbock Application Flash";
  71 -       lubbock_maps[flashboot].name = "Lubbock Boot ROM";
  72 +       lubbock_maps[flashboot^1].name = "Flash-1";
  73 +       lubbock_maps[flashboot].name = "Flash-0";
  74
  75         for (i = 0; i < 2; i++) {
  76                 lubbock_maps[i].virt = ioremap(lubbock_maps[i].phys, WINDOW_SIZE);
  77 @@ -125,25 +129,23 @@
  78         if (!mymtds[0] && !mymtds[1])
  79                 return ret;
  80
  81 -       for (i = 0; i < 2; i++) {
  82 -               if (!mymtds[i]) {
  83 -                       printk(KERN_WARNING "%s is absent. Skipping\n", lubbock_maps[i].name);
  84 -               } else if (nr_parsed_parts[i]) {
  85 -                       add_mtd_partitions(mymtds[i], parsed_parts[i], nr_parsed_parts[i]);
  86 -               } else if (!i) {
  87 -                       printk("Using static partitions on %s\n", lubbock_maps[i].name);
  88 -                       add_mtd_partitions(mymtds[i], lubbock_partitions, ARRAY_SIZE(lubbock_partitions));
  89 -               } else {
  90 -                       printk("Registering %s as whole device\n", lubbock_maps[i].name);
  91 -                       add_mtd_device(mymtds[i]);
  92 -               }
  93 -       }
  94 +       if (mymtds[0] && mymtds[1]) {
  95 +               merged_mtd = mtd_concat_create(mymtds, 2, "Concated Flash #1 and #2");
  96 +               if(merged_mtd)
  97 +                       add_mtd_partitions(merged_mtd, lubbock_partitions, ARRAY_SIZE(lubbock_partitions));
  98 +               else
  99 +                       printk("YoKu: Failed to concate\n");
 100         return 0;
 101 +       }
 102  }
 103
 104  static void __exit cleanup_lubbock(void)
 105  {
 106         int i;
 107 +
 108 +       del_mtd_partitions(merged_mtd);
 109 +       map_destroy(merged_mtd);
 110 +
 111         for (i = 0; i < 2; i++) {