* Patches by David Müller, 31 Jan 2003:
- minimal setup for CardBus bridges
- add EEPROM read/write support in the CS8900 driver
- add support for the builtin I2C controller in the Samsung s3c24x0 chips
- add support for MPL's VCMA9 (Samsung s3c2410 based) board
* Patch by Steven Scholz, 04 Feb 2003:
add support for RTC DS1307
* Patch by Reinhard Meyer, 5 Feb 2003:
fix PLPRCR/SCCR init sequence on 8xx to allow for
changes of EBDF by software
* Patch by Vladimir Gurevich, 07 Feb 2003:
"API-compatibility patch" for 4xx I2C driver
diff --git a/board/mpl/vcma9/vcma9.c b/board/mpl/vcma9/vcma9.c
new file mode 100644
index 0000000..8e3552e
--- /dev/null
+++ b/board/mpl/vcma9/vcma9.c
@@ -0,0 +1,248 @@
+/*
+ * (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>
+#include <i2c.h>
+
+#include "vcma9.h"
+#include "../common/common_util.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 = 0x002AAAAA;
+ rGPBUP = 0x000002BF;
+ rGPCCON = 0xAAAAAAAA;
+ rGPCUP = 0x0000FFFF;
+ rGPDCON = 0xAAAAAAAA;
+ rGPDUP = 0x0000FFFF;
+ rGPECON = 0xAAAAAAAA;
+ rGPEUP = 0x000037F7;
+ rGPFCON = 0x00000000;
+ rGPFUP = 0x00000000;
+ rGPGCON = 0xFFEAFF5A;
+ rGPGUP = 0x0000F0DC;
+ rGPHCON = 0x0028AAAA;
+ rGPHUP = 0x00000656;
+
+ /* setup correct IRQ modes for NIC */
+ rEXTINT2 = (rEXTINT2 & ~(7<<8)) | (4<<8); /* rising edge mode */
+
+ /* init serial */
+ gd->baudrate = CONFIG_BAUDRATE;
+ gd->have_console = 1;
+ serial_init();
+
+ /* arch number of VCMA9-Board */
+ gd->bd->bi_arch_number = 227;
+
+ /* 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;
+}
+
+/*
+ * Get some Board/PLD Info
+ */
+
+static uchar Get_PLD_ID(void)
+{
+ return(*(volatile uchar *)PLD_ID_REG);
+}
+
+static uchar Get_PLD_BOARD(void)
+{
+ return(*(volatile uchar *)PLD_BOARD_REG);
+}
+
+static uchar Get_PLD_Version(void)
+{
+ return((Get_PLD_ID() >> 4) & 0x0F);
+}
+
+static uchar Get_PLD_Revision(void)
+{
+ return(Get_PLD_ID() & 0x0F);
+}
+
+static int Get_Board_Config(void)
+{
+ uchar config = Get_PLD_BOARD() & 0x03;
+
+ if (config == 3)
+ return 1;
+ else
+ return 0;
+}
+
+static uchar Get_Board_PCB(void)
+{
+ return(((Get_PLD_BOARD() >> 4) & 0x03) + 'A');
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard(void)
+{
+ unsigned char s[50];
+ unsigned char bc, var, rc;
+ int i;
+ backup_t *b = (backup_t *) s;
+
+ puts("Board: ");
+
+ i = getenv_r("serial#", s, 32);
+ if ((i < 0) || strncmp (s, "VCMA9", 5)) {
+ get_backup_values (b);
+ if (strncmp (b->signature, "MPL\0", 4) != 0) {
+ puts ("### No HW ID - assuming VCMA9");
+ } else {
+ b->serial_name[5] = 0;
+ printf ("%s-%d Rev %c SN: %s", b->serial_name, Get_Board_Config(),
+ Get_Board_PCB(), &b->serial_name[6]);
+ }
+ } else {
+ s[5] = 0;
+ printf ("%s-%d Rev %c SN: %s", s, Get_Board_Config(), Get_Board_PCB(),
+ &s[6]);
+ }
+ printf("\n");
+ return(0);
+}
+
+
+
+void print_vcma9_rev(void)
+{
+ printf("Board: VCMA9-%d Rev: %c (PLD Ver: %d, Rev: %d)\n",
+ Get_Board_Config(), Get_Board_PCB(),
+ Get_PLD_Version(), Get_PLD_Revision());
+}
+
+
+int last_stage_init(void)
+{
+ print_vcma9_rev();
+ show_stdio_dev();
+ check_env();
+ return 0;
+}
+
+/***************************************************************************
+ * some helping routines
+ */
+
+int overwrite_console(void)
+{
+ /* return TRUE if console should be overwritten */
+ return 0;
+}
+
+
+/************************************************************************
+* Print VCMA9 Info
+************************************************************************/
+void print_vcma9_info(void)
+{
+ print_vcma9_rev();
+}
+
+