From: Huber, Andreas <andreas.hu...@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.hu...@keymile.com>
Signed-off-by: Holger Brunck <holger.bru...@keymile.com>
cc: Wolfgang Denk <w...@denx.de>
cc: Valentin Longchamp <valentin.longch...@keymile.com>
cc: Heiko Schocher <h...@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;
}
--
1.7.4
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