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authorHolger Brunck <holger.brunck@keymile.com>2011-09-13 22:41:05 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-11-03 22:56:23 +0100
commitf0d6425790e7a6f97dd913de54b2f5f47cd5b5b4 (patch)
treef90b8b2fbdba2e77a7370eabdf7885a243ae3ac6 /board/keymile
parent66072a8ca0015afc137d5cd074407422fae1ab89 (diff)
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arm/km: trigger reconfiguration for the Xilinx FPGA
The Xilinx FPGA must be reconfigured each time the unit reboots. The FPGA is connected to the GPIO pin 39 from kirkwood. This patch triggers this pin for km_kirkwood_pci targets. Signed-off-by: Holger Brunck <holger.brunck@keymile.com> Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com> cc: Prafulla Wadaskar <prafulla@marvell.com>
Diffstat (limited to 'board/keymile')
-rw-r--r--board/keymile/km_arm/km_arm.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c
index 4a4e1d0..3c9b917 100644
--- a/board/keymile/km_arm/km_arm.c
+++ b/board/keymile/km_arm/km_arm.c
@@ -267,7 +267,12 @@ int board_early_init_f(void)
kw_gpio_set_valid(KM_KIRKWOOD_ENV_WP, 38);
kw_gpio_direction_output(KM_KIRKWOOD_ENV_WP, 1);
#endif
-
+#if defined(CONFIG_KM_RECONFIG_XLX)
+ /* trigger the reconfiguration of the xilinx fpga */
+ kw_gpio_set_valid(KM_XLX_PROGRAM_B_PIN, 1);
+ kw_gpio_direction_output(KM_XLX_PROGRAM_B_PIN, 0);
+ kw_gpio_direction_input(KM_XLX_PROGRAM_B_PIN);
+#endif
return 0;
}