1 files changed, 133 insertions, 0 deletions
diff --git a/u-boot/board/gdsys/405ep/405ep.c b/u-boot/board/gdsys/405ep/405ep.c
new file mode 100644
index 0000000..86a3ec8
--- /dev/null
+++ b/u-boot/board/gdsys/405ep/405ep.c
@@ -0,0 +1,133 @@
+/*
+ * (C) Copyright 2010
+ * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/ppc4xx-gpio.h>
+#include <asm/global_data.h>
+
+#include <gdsys_fpga.h>
+
+#define LATCH0_BASE (CONFIG_SYS_LATCH_BASE)
+#define LATCH1_BASE (CONFIG_SYS_LATCH_BASE + 0x100)
+#define LATCH2_BASE (CONFIG_SYS_LATCH_BASE + 0x200)
+
+#define REFLECTION_TESTPATTERN 0xdede
+#define REFLECTION_TESTPATTERN_INV (~REFLECTION_TESTPATTERN & 0xffff)
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int get_fpga_state(unsigned dev)
+{
+	return gd->fpga_state[dev];
+}
+
+void print_fpga_state(unsigned dev)
+{
+	if (gd->fpga_state[dev] & FPGA_STATE_DONE_FAILED)
+		puts("       Waiting for FPGA-DONE timed out.\n");
+	if (gd->fpga_state[dev] & FPGA_STATE_REFLECTION_FAILED)
+		puts("       FPGA reflection test failed.\n");
+}
+
+int board_early_init_f(void)
+{
+	unsigned k;
+	unsigned ctr;
+
+	for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k)
+		gd->fpga_state[k] = 0;
+
+	mtdcr(UIC0SR, 0xFFFFFFFF);	/* clear all ints */
+	mtdcr(UIC0ER, 0x00000000);	/* disable all ints */
+	mtdcr(UIC0CR, 0x00000000);	/* set all to be non-critical */
+	mtdcr(UIC0PR, 0xFFFFFF80);	/* set int polarities */
+	mtdcr(UIC0TR, 0x10000000);	/* set int trigger levels */
+	mtdcr(UIC0VCR, 0x00000001);	/* set vect base=0,INT0 highest prio */
+	mtdcr(UIC0SR, 0xFFFFFFFF);	/* clear all ints */
+
+	/*
+	 * EBC Configuration Register: set ready timeout to 512 ebc-clks
+	 * -> ca. 15 us
+	 */
+	mtebc(EBC0_CFG, 0xa8400000);	/* ebc always driven */
+
+	/*
+	 * setup io-latches for reset
+	 */
+	out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_RESET);
+	out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_RESET);
+
+	/*
+	 * set "startup-finished"-gpios
+	 */
+	gpio_write_bit(21, 0);
+	gpio_write_bit(22, 1);
+
+	/*
+	 * wait for fpga-done
+	 */
+	for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) {
+		ctr = 0;
+		while (!(in_le16((void *)LATCH2_BASE)
+			& CONFIG_SYS_FPGA_DONE(k))) {
+			udelay(100000);
+			if (ctr++ > 5) {
+				gd->fpga_state[k] |= FPGA_STATE_DONE_FAILED;
+				break;
+			}
+		}
+	}
+
+	/*
+	 * setup io-latches for boot (stop reset)
+	 */
+	udelay(10);
+	out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_BOOT);
+	out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_BOOT);
+
+	for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) {
+		ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(k);
+		/*
+		 * wait for fpga out of reset
+		 */
+		ctr = 0;
+		while (1) {
+			out_le16(&fpga->reflection_low,
+				REFLECTION_TESTPATTERN);
+			if (in_le16(&fpga->reflection_high) ==
+				REFLECTION_TESTPATTERN_INV)
+				break;
+			udelay(100000);
+			if (ctr++ > 5) {
+				gd->fpga_state[k] |=
+					FPGA_STATE_REFLECTION_FAILED;
+				break;
+			}
+		}
+	}
+
+	return 0;
+}