[U-Boot] [PATCH 16/20] arm/km: add implementation for read_dip_switch
Valentin Longchamp
valentin.longchamp at keymile.com
Thu Jun 7 12:06:56 CEST 2012
From: Thomas Herzmann <thomas.herzmann at keymile.com>
Add a function to read the dip_switch on kmcoge5un. If the
switch is set the actual_bank is set to 0 and this SW is
booted.
Signed-off-by: Thomas Herzmann <thomas.herzmann at keymile.com>
Signed-off-by: Holger Brunck <holger.brunck at keymile.com>
---
board/keymile/km_arm/km_arm.c | 14 +++++++++++++-
include/configs/km_kirkwood.h | 3 ---
2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c
index edaadb9..d6da632 100644
--- a/board/keymile/km_arm/km_arm.c
+++ b/board/keymile/km_arm/km_arm.c
@@ -286,12 +286,24 @@ int board_init(void)
int board_late_init(void)
{
+#if defined(CONFIG_KMCOGE5UN)
+/* I/O pin to erase flash RGPP09 = MPP43 */
+#define KM_FLASH_ERASE_ENABLE 43
+ u8 dip_switch = kw_gpio_get_value(KM_FLASH_ERASE_ENABLE);
+
+ /* if pin 1 do full erase */
+ if (dip_switch != 0) {
+ /* start bootloader */
+ puts("DIP: Enabled\n");
+ setenv("actual_bank", "0");
+ }
+#endif
+
#if defined(CONFIG_KM_FPGA_CONFIG)
wait_for_fpga_config();
fpga_reset();
toggle_eeprom_spi_bus();
#endif
-
return 0;
}
diff --git a/include/configs/km_kirkwood.h b/include/configs/km_kirkwood.h
index 549122b..9ecfcf4 100644
--- a/include/configs/km_kirkwood.h
+++ b/include/configs/km_kirkwood.h
@@ -184,8 +184,5 @@
#undef CONFIG_KIRKWOOD_PCIE_INIT
#endif
-#ifndef CONFIG_KM_FPGA_CONFIG
-#undef BOARD_LATE_INIT
-#endif
#endif /* _CONFIG_KM_KIRKWOOD */
--
1.7.1
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