target/linux/brcm63xx-2.6/patches/040-bcm963xx_flashmap.patch

   1 diff -urN linux-2.6.19/drivers/mtd/maps/Kconfig linux-2.6.19.new/drivers/mtd/maps/Kconfig
   2 --- linux-2.6.19/drivers/mtd/maps/Kconfig       2006-11-29 22:57:37.000000000 +0100
   3 +++ linux-2.6.19.new/drivers/mtd/maps/Kconfig   2006-12-18 17:21:07.000000000 +0100
   4 @@ -283,6 +283,13 @@
   5           Flash memory access on 4G Systems MTX-1 Board. If you have one of
   6           these boards and would like to use the flash chips on it, say 'Y'.
   7
   8 +config MTD_BCM963XX
   9 +        tristate "BCM963xx Flash device"
  10 +        depends on MIPS && BCM963XX
  11 +        help
  12 +         Flash memory access on BCM963xx boards. Currently only works with
  13 +         RedBoot and CFE.
  14 +
  15  config MTD_DILNETPC
  16         tristate "CFI Flash device mapped on DIL/Net PC"
  17         depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT
  18 diff -urN linux-2.6.19/drivers/mtd/maps/Makefile linux-2.6.19.new/drivers/mtd/maps/Makefile
  19 --- linux-2.6.19/drivers/mtd/maps/Makefile      2006-11-29 22:57:37.000000000 +0100
  20 +++ linux-2.6.19.new/drivers/mtd/maps/Makefile  2006-12-18 17:21:07.000000000 +0100
  21 @@ -72,3 +72,4 @@
  22  obj-$(CONFIG_MTD_OMAP_NOR)     += omap_nor.o
  23  obj-$(CONFIG_MTD_MTX1)         += mtx-1_flash.o
  24  obj-$(CONFIG_MTD_TQM834x)      += tqm834x.o
  25 +obj-$(CONFIG_MTD_BCM963XX)      += bcm963xx-flash.o
  26 diff -urN linux-2.6.19/drivers/mtd/redboot.c linux-2.6.19.new/drivers/mtd/redboot.c
  27 --- linux-2.6.19/drivers/mtd/redboot.c  2006-12-18 17:09:14.000000000 +0100
  28 +++ linux-2.6.19.new/drivers/mtd/redboot.c      2006-12-18 17:14:26.000000000 +0100
  29 @@ -39,7 +39,7 @@
  30         return 1;
  31  }
  32
  33 -static int parse_redboot_partitions(struct mtd_info *master,
  34 +int parse_redboot_partitions(struct mtd_info *master,
  35                               struct mtd_partition **pparts,
  36                               unsigned long fis_origin)
  37  {
  38 @@ -146,6 +146,14 @@
  39                 goto out;
  40         }
  41
  42 +       if (!fis_origin) {
  43 +               for (i = 0; i < numslots; i++) {
  44 +                       if (!strncmp(buf[i].name, "RedBoot", 8)) {
  45 +                               fis_origin = (buf[i].flash_base & (master->size << 1) - 1);
  46 +                       }
  47 +               }
  48 +       }
  49 +
  50         for (i = 0; i < numslots; i++) {
  51                 struct fis_list *new_fl, **prev;
  52
  53 @@ -168,9 +176,8 @@
  54                 new_fl->img = &buf[i];
  55                  if (fis_origin) {
  56                          buf[i].flash_base -= fis_origin;
  57 -                } else {
  58 -                        buf[i].flash_base &= master->size-1;
  59                  }
  60 +               buf[i].flash_base &= (master->size << 1) - 1;
  61
  62                 /* I'm sure the JFFS2 code has done me permanent damage.
  63                  * I now think the following is _normal_