[U-Boot] [PATCH v2 13/14] arm/km: add implementation for read_dip_switch

Holger Brunck
2012-06-13T13:33:19Z

From: Thomas Herzmann <thomas.herzmann@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@keymile.com>
Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
cc: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
---
changes for v2:
- nothing

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 1348186..7e8bdfe 100644
--- a/board/keymile/km_arm/km_arm.c
+++ b/board/keymile/km_arm/km_arm.c
@@ -290,12 +290,24 @@ 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 b29e1a6..c42d0cb 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