+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2012
* Valentin Lontgchamp, Keymile AG, valentin.longchamp@keymile.com
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301 USA
*/
#include <common.h>
#include <i2c.h>
-#include <asm/errno.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
/* GPIO Pin from kirkwood connected to PROGRAM_B pin of the xilinx FPGA */
#define KM_XLX_PROGRAM_B_PIN 39
#define FPGA_INIT_B 0x10
#define FPGA_DONE 0x20
+#ifndef CONFIG_KM_FPGA_FORCE_CONFIG
static int fpga_done(void)
{
int ret = 0;
return regval & FPGA_DONE ? 1 : 0;
}
+#endif /* CONFIG_KM_FPGA_FORCE_CONFIG */
-int skip;
+static int skip;
int trigger_fpga_config(void)
{
int ret = 0;
+ skip = 0;
+#ifndef CONFIG_KM_FPGA_FORCE_CONFIG
/* if the FPGA is already configured, we do not want to
* reconfigure it */
skip = 0;
skip = 1;
return 0;
}
+#endif /* CONFIG_KM_FPGA_FORCE_CONFIG */
if (check_boco2()) {
/* we have a BOCO2, this has to be triggered here */
return 0;
}
+#if defined(CONFIG_KM_FPGA_NO_RESET)
+int fpga_reset(void)
+{
+ /* no dedicated reset pin for FPGA */
+ return 0;
+}
+#else
+
#define PRST1 0x4
#define PCIE_RST 0x10
#define TRAFFIC_RST 0x04
return 0;
}
+#endif
/* the FPGA was configured, we configure the BOCO2 so that the EEPROM
* is available from the Bobcat SPI bus */