Initial revision

1 files changed, 103 insertions, 0 deletions

diff --git a/board/shannon/shannon.c b/board/shannon/shannon.c
new file mode 100644
index 0000000..a55626d
--- /dev/null
+++ b/board/shannon/shannon.c
@@ -0,0 +1,103 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.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>
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/* memory and cpu-speed are setup before relocation */
+	/* but if we use InfernoLoader, we must do some inits here */
+
+#ifdef CONFIG_INFERNO
+	{
+        unsigned long temp;
+        __asm__ __volatile__(/* disable MMU, enable icache */
+                             "mrc p15, 0, %0, c1, c0\n"
+                             "bic %0, %0, #0x00002000\n"
+                             "bic %0, %0, #0x0000000f\n"
+                             "orr %0, %0, #0x00001000\n"
+                             "orr %0, %0, #0x00000002\n"
+                             "mcr p15, 0, %0, c1, c0\n"
+                             /* flush caches */
+                             "mov %0, #0\n"
+                             "mcr p15, 0, %0, c7, c7, 0\n"
+                             "mcr p15, 0, %0, c8, c7, 0\n"
+                             : "=r" (temp)
+                             :
+                             : "memory");
+        /* setup PCMCIA timing */
+        temp = 0xa0000018;
+        *(unsigned long *)temp = 0x00060006;
+
+	}
+#endif /* CONFIG_INIT_CRITICAL */
+
+	/* arch number for shannon */
+	gd->bd->bi_arch_number = 97;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = 0xc0000100;
+
+	return 0;
+}
+
+int dram_init (void)
+{
+#if defined(PHYS_SDRAM_1) || defined(PHYS_SDRAM_2) || \
+    defined(PHYS_SDRAM_3) || defined(PHYS_SDRAM_4)
+	DECLARE_GLOBAL_DATA_PTR;
+	bd_t *bd = gd->bd;
+#endif
+
+#ifdef PHYS_SDRAM_1
+	bd->bi_dram[0].start = PHYS_SDRAM_1;
+	bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+#endif
+
+#ifdef PHYS_SDRAM_2
+	bd->bi_dram[1].start = PHYS_SDRAM_2;
+	bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+#endif
+
+#ifdef PHYS_SDRAM_3
+	bd->bi_dram[2].start = PHYS_SDRAM_3;
+	bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
+#endif
+
+#ifdef PHYS_SDRAM_4
+	bd->bi_dram[3].start = PHYS_SDRAM_4;
+	bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
+#endif
+
+	return (0);
+}