1 files changed, 125 insertions, 0 deletions
diff --git a/board/sx1/sx1.c b/board/sx1/sx1.c
new file mode 100755
index 0000000..e45f6ae
--- /dev/null
+++ b/board/sx1/sx1.c
@@ -0,0 +1,125 @@
+/*
+ * (C) Copyright 2004
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+static void flash__init (void);
+static void ether__init (void);
+
+static inline void delay (unsigned long loops)
+{
+	__asm__ volatile ("1:\n"
+			  "subs %0, %1, #1\n"
+			  "bne 1b":"=r" (loops):"0" (loops));
+}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/* arch number of SX1 Board */
+	gd->bd->bi_arch_number = MACH_TYPE_SX1;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = 0x10000100;
+
+/* kk - this speeds up your boot a quite a bit.	 However to make it
+ *  work, you need make sure your kernel startup flush bug is fixed.
+ *  ... rkw ...
+ */
+	icache_enable ();
+
+	flash__init ();
+	ether__init ();
+	return 0;
+}
+
+
+int misc_init_r (void)
+{
+	/* volatile ushort *gdir = (ushort *) (GPIO_DIR_CONTROL_REG); */
+	/* volatile ushort *mdir = (ushort *) (MPUIO_DIR_CONTROL_REG); */
+
+	/* setup gpio direction to match board (no floats!) */
+	/**gdir = 0xCFF9; */
+	/**mdir = 0x103F; */
+
+	return (0);
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+static void flash__init (void)
+{
+#define CS0_CHIP_SELECT_REG 0xfffecc10
+#define CS3_CHIP_SELECT_REG 0xfffecc1c
+#define EMIFS_GlB_Config_REG 0xfffecc0c
+
+	unsigned int regval;
+
+	regval = *((volatile unsigned int *) EMIFS_GlB_Config_REG);
+	regval = regval | 0x0001;	/* Turn off write protection for flash devices. */
+	if (regval & 0x0002) {
+		regval = regval & 0xfffd;	/* Swap CS0 and CS3 so that flash is visible at 0x0 and eeprom at 0x0c000000. */
+		/* If, instead, you want to reference flash at 0x0c000000, then it seemed the following were necessary. */
+		/* *((volatile unsigned int *)CS0_CHIP_SELECT_REG) = 0x202090; / * Overrides head.S setting of 0x212090 */
+		/* *((volatile unsigned int *)CS3_CHIP_SELECT_REG) = 0x202090; / * Let's flash chips be fully functional. */
+	}
+	*((volatile unsigned int *) EMIFS_GlB_Config_REG) = regval;
+}
+
+
+/******************************
+ Routine:
+ Description:
+******************************/
+static void ether__init (void)
+{
+#define ETH_CONTROL_REG 0x0800000b
+	/* take the Ethernet controller out of reset and wait
+	 * for the EEPROM load to complete.
+	 */
+	*((volatile unsigned char *) ETH_CONTROL_REG) &= ~0x01;
+	udelay (3);
+}
+
+
+int dram_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+	return 0;
+}