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authorwdenk <wdenk>2003-07-15 20:04:06 +0000
committerwdenk <wdenk>2003-07-15 20:04:06 +0000
commit2e5983d2ea5ff21406408c18c5b8fa12d4250908 (patch)
tree829991db5c6a66aab9219183c887ac0df423976e /board/omap1510inn/omap1510innovator.c
parent6dff55297283ebe16096e25f2dadb54e4b6fd9fc (diff)
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Patches by Kshitij, 04 Jul 2003
- added support for arm925t cpu core - added support for TI OMAP 1510 Innovator Board
Diffstat (limited to 'board/omap1510inn/omap1510innovator.c')
-rw-r--r--board/omap1510inn/omap1510innovator.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/board/omap1510inn/omap1510innovator.c b/board/omap1510inn/omap1510innovator.c
new file mode 100644
index 0000000..eba010a
--- /dev/null
+++ b/board/omap1510inn/omap1510innovator.c
@@ -0,0 +1,131 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * (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 OMAP 1510-Board */
+ gd->bd->bi_arch_number = 234;
+
+ /* 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;
+}