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authorwdenk <wdenk>2004-07-01 16:30:44 +0000
committerwdenk <wdenk>2004-07-01 16:30:44 +0000
commit39539887ea7dc298c98ac1fddd38551dfa335120 (patch)
tree31e3bc0bd93cead0c977b8fd26ede7d06f70e0a1 /board/evb4510/evb4510.c
parente94d2cd9d1dc0f58b18e7c31fc9345129b1a44fb (diff)
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* Code cleanup (ARM mostly)
* Patch by Curt Brune, 17 May 2004: - Add support for Samsung S3C4510B CPU (ARM7tdmi based SoC) - Add support for ESPD-Inc. EVB4510 Board
Diffstat (limited to 'board/evb4510/evb4510.c')
-rw-r--r--board/evb4510/evb4510.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/board/evb4510/evb4510.c b/board/evb4510/evb4510.c
new file mode 100644
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+++ b/board/evb4510/evb4510.c
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+/*
+ * Copyright (c) 2004 Cucy Systems (http://www.cucy.com)
+ * Curt Brune <curt@cucy.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>
+#include <asm/hardware.h>
+#include <command.h>
+
+/* ------------------------------------------------------------------------- */
+
+
+#define PUT_LED(val) (PUT_REG(REG_IOPDATA, (~val)&0xFF))
+#define GET_LED() ((~GET_REG( REG_IOPDATA)) & 0xFF)
+#define SET_LED(val) { u32 led = GET_LED(); led |= 1 << (val); PUT_LED( led); }
+#define CLR_LED(val) { u32 led = GET_LED(); led &= ~(1 << (val)); PUT_LED( led); }
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ icache_enable();
+
+ /* address for the kernel command line */
+ gd->bd->bi_boot_params = 0x800;
+
+ /* enable board LEDs for output */
+ PUT_REG( REG_IOPDATA, 0x0);
+ PUT_REG( REG_IOPMODE, 0xFFFF);
+ PUT_REG( REG_IOPDATA, 0xFF);
+
+ /* enable LED 7 to show we're alive */
+ SET_LED( 7);
+
+ /* configure free running timer 1 */
+ /* Stop timer 1 */
+ CLR_REG( REG_TMOD, TM1_RUN);
+
+ /* Configure for toggle mode */
+ SET_REG( REG_TMOD, TM1_TOGGLE);
+
+ /* Load Timer data register with count down value */
+ PUT_REG( REG_TDATA1, 0xFFFFFFFF);
+
+ /* Clear timer counter register */
+ PUT_REG( REG_TCNT1, 0x0);
+
+ /* Start timer -- count down timer */
+ SET_REG( REG_TMOD, TM1_RUN);
+
+ return 0;
+}
+
+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;
+#if CONFIG_NR_DRAM_BANKS == 2
+ gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+ gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+#endif
+ return 0;
+}