From: Huber, Andreas Andreas.Huber@keymile.com
This reads the DIP switch register in the BFTICU (0x40000089). If 'Full reset' or 'DB erase' is selected, 'actual_bank' is set to 0. This loads the Bootloader application who does the erase stuff.
Signed-off-by: Andreas Huber andreas.huber@keymile.com Signed-off-by: Holger Brunck holger.brunck@keymile.com cc: Wolfgang Denk wd@denx.de cc: Valentin Longchamp valentin.longchamp@keymile.com cc: Heiko Schocher hs@denx.de --- board/keymile/mgcoge/mgcoge.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/board/keymile/mgcoge/mgcoge.c b/board/keymile/mgcoge/mgcoge.c index e932633..dabbec4 100644 --- a/board/keymile/mgcoge/mgcoge.c +++ b/board/keymile/mgcoge/mgcoge.c @@ -317,8 +317,21 @@ unsigned int arch_ram_size(void) return gd->bd->bi_memsize; }
+#define DIPSWITCH_OFFSET 0x89 +#define DIPSWITCH_MASK 0x0f + int last_stage_init(void) { + u8 dip_switch; + /* Dip switch */ + dip_switch = readb(CONFIG_SYS_FPGA_BASE + DIPSWITCH_OFFSET); + dip_switch &= DIPSWITCH_MASK; + /* dip switch 'full reset' or 'db erase' */ + if (dip_switch & 0x1 || dip_switch & 0x2) { + /* start bootloader */ + puts("DIP: Enabled\n"); + setenv("actual_bank", "0"); + } set_km_env(); return 0; }