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arm/km: trigger reconfiguration for the Xilinx FPGA

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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>
This commit is contained in:
Holger Brunck
2011-09-13 22:41:05 +00:00
committed by Albert ARIBAUD
parent 66072a8ca0
commit f0d6425790
3 changed files with 10 additions and 2 deletions
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7
board/keymile/km_arm/km_arm.c
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@@ -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;
}