Initial revision

1 files changed, 124 insertions, 0 deletions

diff --git a/board/smdk2410/smdk2410.c b/board/smdk2410/smdk2410.c
new file mode 100644
index 0000000..7f983ef
--- /dev/null
+++ b/board/smdk2410/smdk2410.c
@@ -0,0 +1,124 @@
+/*
+ * (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>
+ *
+ * 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 <s3c2410.h>
+
+/* ------------------------------------------------------------------------- */
+
+#define FCLK_SPEED 1
+
+#if FCLK_SPEED==0		/* Fout = 203MHz, Fin = 12MHz for Audio */
+#define M_MDIV	0xC3
+#define M_PDIV	0x4
+#define M_SDIV	0x1
+#elif FCLK_SPEED==1		/* Fout = 202.8MHz */
+#define M_MDIV	0xA1
+#define M_PDIV	0x3
+#define M_SDIV	0x1
+#endif
+
+#define USB_CLOCK 1
+
+#if USB_CLOCK==0
+#define U_M_MDIV	0xA1
+#define U_M_PDIV	0x3
+#define U_M_SDIV	0x1
+#elif USB_CLOCK==1
+#define U_M_MDIV	0x48
+#define U_M_PDIV	0x3
+#define U_M_SDIV	0x2
+#endif
+
+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;
+
+	/* to reduce PLL lock time, adjust the LOCKTIME register */
+	rLOCKTIME = 0xFFFFFF;
+
+	/* configure MPLL */
+	rMPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
+
+	/* some delay between MPLL and UPLL */
+	delay (4000);
+
+	/* configure UPLL */
+	rUPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
+
+	/* some delay between MPLL and UPLL */
+	delay (8000);
+
+	/* set up the I/O ports */
+	rGPACON = 0x007FFFFF;
+	rGPBCON = 0x00044555;
+	rGPBUP = 0x000007FF;
+	rGPCCON = 0xAAAAAAAA;
+	rGPCUP = 0x0000FFFF;
+	rGPDCON = 0xAAAAAAAA;
+	rGPDUP = 0x0000FFFF;
+	rGPECON = 0xAAAAAAAA;
+	rGPEUP = 0x0000FFFF;
+	rGPFCON = 0x000055AA;
+	rGPFUP = 0x000000FF;
+	rGPGCON = 0xFF95FFBA;
+	rGPGUP = 0x0000FFFF;
+	rGPHCON = 0x002AFAAA;
+	rGPHUP = 0x000007FF;
+
+	/* arch number of SMDK2410-Board */
+	gd->bd->bi_arch_number = 193;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = 0x30000100;
+
+	icache_enable();
+	dcache_enable();
+
+	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;
+
+	return 0;
+}