added boot script files to repository

1 files changed, 118 insertions, 0 deletions

diff --git a/u-boot/board/amcc/acadia/acadia.c b/u-boot/board/amcc/acadia/acadia.c
new file mode 100644
index 0000000..4825611
--- /dev/null
+++ b/u-boot/board/amcc/acadia/acadia.c
@@ -0,0 +1,118 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.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 <asm/processor.h>
+
+extern void board_pll_init_f(void);
+
+static void acadia_gpio_init(void)
+{
+	/*
+	 * GPIO0 setup (select GPIO or alternate function)
+	 */
+	out32(GPIO0_OSRL, CONFIG_SYS_GPIO0_OSRL);
+	out32(GPIO0_OSRH, CONFIG_SYS_GPIO0_OSRH);	/* output select */
+	out32(GPIO0_ISR1L, CONFIG_SYS_GPIO0_ISR1L);
+	out32(GPIO0_ISR1H, CONFIG_SYS_GPIO0_ISR1H);	/* input select */
+	out32(GPIO0_TSRL, CONFIG_SYS_GPIO0_TSRL);
+	out32(GPIO0_TSRH, CONFIG_SYS_GPIO0_TSRH);	/* three-state select */
+	out32(GPIO0_TCR, CONFIG_SYS_GPIO0_TCR);  /* enable output driver for outputs */
+
+	/*
+	 * Ultra (405EZ) was nice enough to add another GPIO controller
+	 */
+	out32(GPIO1_OSRH, CONFIG_SYS_GPIO1_OSRH);	/* output select */
+	out32(GPIO1_OSRL, CONFIG_SYS_GPIO1_OSRL);
+	out32(GPIO1_ISR1H, CONFIG_SYS_GPIO1_ISR1H);	/* input select */
+	out32(GPIO1_ISR1L, CONFIG_SYS_GPIO1_ISR1L);
+	out32(GPIO1_TSRH, CONFIG_SYS_GPIO1_TSRH);	/* three-state select */
+	out32(GPIO1_TSRL, CONFIG_SYS_GPIO1_TSRL);
+	out32(GPIO1_TCR, CONFIG_SYS_GPIO1_TCR);  /* enable output driver for outputs */
+}
+
+int board_early_init_f(void)
+{
+	unsigned int reg;
+
+#if !defined(CONFIG_NAND_U_BOOT)
+	/* don't reinit PLL when booting via I2C bootstrap option */
+	mfsdr(SDR0_PINSTP, reg);
+	if (reg != 0xf0000000)
+		board_pll_init_f();
+#endif
+
+	acadia_gpio_init();
+
+	/* Configure 405EZ for NAND usage */
+	mtsdr(SDR0_NAND0, SDR_NAND0_NDEN | SDR_NAND0_NDAREN | SDR_NAND0_NDRBEN);
+	mfsdr(SDR0_ULTRA0, reg);
+	reg &= ~SDR_ULTRA0_CSN_MASK;
+	reg |= (SDR_ULTRA0_CSNSEL0 >> CONFIG_SYS_NAND_CS) |
+		SDR_ULTRA0_NDGPIOBP |
+		SDR_ULTRA0_EBCRDYEN |
+		SDR_ULTRA0_NFSRSTEN;
+	mtsdr(SDR0_ULTRA0, reg);
+
+	/* USB Host core needs this bit set */
+	mfsdr(SDR0_ULTRA1, reg);
+	mtsdr(SDR0_ULTRA1, reg | SDR_ULTRA1_LEDNENABLE);
+
+	mtdcr(UIC0SR, 0xFFFFFFFF);	/* clear all ints */
+	mtdcr(UIC0ER, 0x00000000);	/* disable all ints */
+	mtdcr(UIC0CR, 0x00000010);
+	mtdcr(UIC0PR, 0xFE7FFFF0);	/* set int polarities */
+	mtdcr(UIC0TR, 0x00000010);	/* set int trigger levels */
+	mtdcr(UIC0SR, 0xFFFFFFFF);	/* clear all ints */
+
+	return 0;
+}
+
+int misc_init_f(void)
+{
+	/* Set EPLD to take PHY out of reset */
+	out8(CONFIG_SYS_CPLD_BASE + 0x05, 0x00);
+	udelay(100000);
+
+	return 0;
+}
+
+/*
+ * Check Board Identity:
+ */
+int checkboard(void)
+{
+	char *s = getenv("serial#");
+	u8 rev;
+
+	rev = in8(CONFIG_SYS_CPLD_BASE + 0);
+	printf("Board: Acadia - AMCC PPC405EZ Evaluation Board, Rev. %X", rev);
+
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+	return (0);
+}