Add support for EDB93xx boards

Added support for the following EDB93xx boards:

EDB9301
EDB9302
EDB9302A
EDB9307
EDB9307A
EDB93012
EDB9315
EDB9315A

Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>

1 files changed, 104 insertions, 0 deletions

diff --git a/board/edb93xx/edb93xx.c b/board/edb93xx/edb93xx.c
new file mode 100644
index 0000000..4df2246
--- /dev/null
+++ b/board/edb93xx/edb93xx.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
+ *
+ * (C) Copyright 2002 2003
+ * Network Audio Technologies, Inc. <www.netaudiotech.com>
+ * Adam Bezanson <bezanson@netaudiotech.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 <netdev.h>
+#include <asm/arch/ep93xx.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define MAX_BANK_SIZE	0x04000000 /* 64 MB */
+
+static ulong const bank_addr[CONFIG_NR_DRAM_BANKS] = {
+	PHYS_SDRAM_1,
+#ifdef PHYS_SDRAM_2
+	PHYS_SDRAM_2,
+#endif
+#ifdef PHYS_SDRAM_3
+	PHYS_SDRAM_3,
+#endif
+#ifdef PHYS_SDRAM_4
+	PHYS_SDRAM_4
+#endif
+};
+
+int board_init(void)
+{
+	struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
+
+	icache_enable();
+
+#ifdef USE_920T_MMU
+	dcache_enable();
+#endif
+
+	/*
+	 * set UARTBAUD bit to drive UARTs with 14.7456MHz instead of
+	 * 14.7456/2 MHz
+	 */
+	uint32_t value = readl(&syscon->pwrcnt);
+	value |= SYSCON_PWRCNT_UART_BAUD;
+	writel(value, &syscon->pwrcnt);
+
+	/* Machine number, as defined in linux/arch/arm/tools/mach-types */
+	gd->bd->bi_arch_number = CONFIG_MACH_TYPE;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+	/* We have a console */
+	gd->have_console = 1;
+
+	return 0;
+}
+
+int board_eth_init(bd_t *bd)
+{
+	return ep93xx_eth_initialize(0, MAC_BASE);
+}
+
+int dram_init(void)
+{
+	unsigned int *src, *dst;
+	int i;
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		const ulong bank_size = get_ram_size((long *)bank_addr[i],
+						MAX_BANK_SIZE);
+		if (bank_size) {
+			gd->bd->bi_dram[i].start = bank_addr[i];
+			gd->bd->bi_dram[i].size = bank_size;
+		}
+	}
+
+	/* copy exception vectors */
+	src = (unsigned int *)_armboot_start;
+	dst = (unsigned int *)PHYS_SDRAM_1;
+	memcpy(dst, src, 16 * sizeof(unsigned int));
+
+	return 0;
+}