Initial revision

board/bmw/bmw.c

@@ -0,0 +1,162 @@
+/*
+ * (C) Copyright 2002
+ * James F. Dougherty, Broadcom Corporation, jfd@broadcom.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 <common.h>
+#include <watchdog.h>
+#include <command.h>
+#include <malloc.h>
+#include <devices.h>
+#include <syscall.h>
+#include <net.h>
+#include <version.h>
+#include <dtt.h>
+#include <mpc824x.h>
+#include <asm/processor.h>
+#include <linux/mtd/doc2000.h>
+
+#include "bmw.h"
+#include "m48t59y.h"
+#include <pci.h>
+
+
+int checkboard(void)
+{
+    ulong busfreq  = get_bus_freq(0);
+    char  buf[32];
+
+    puts ("Board: BMW MPC8245/KAHLUA2 - CHRP (MAP B)\n");
+    printf("Built: %s at %s\n", __DATE__ , __TIME__ );
+    /* printf("MPLD:  Revision %d\n", SYS_REVID_GET()); */
+    printf("Local Bus at %s MHz\n", strmhz(buf, busfreq));
+    return 0;
+}
+
+long int initdram(int board_type)
+{
+    return 64*1024*1024;
+}
+
+
+void
+get_tod(void)
+{
+    int year, month, day, hour, minute, second;
+
+    m48_tod_get(&year,
+		&month,
+		&day,
+		&hour,
+		&minute,
+		&second);
+
+    printf("  Current date/time: %d/%d/%d %d:%d:%d \n",
+	   month, day, year, hour, minute, second);
+
+}
+
+/*
+ * EPIC, PCI, and I/O devices.
+ * Initialize Mousse Platform, probe for PCI devices,
+ * Query configuration parameters if not set.
+ */
+int misc_init_f (void)
+{
+#if 0
+    m48_tod_init(); /* Init SGS M48T59Y TOD/NVRAM */
+    printf("RTC:   M48T589 TOD/NVRAM (%d) bytes\n",
+	   TOD_NVRAM_SIZE);
+    get_tod();
+#endif
+
+    sys_led_msg("BOOT");
+    return 0;
+}
+
+
+
+
+
+/*
+ * Initialize PCI Devices, report devices found.
+ */
+struct pci_controller hose;
+
+void pci_init (void)
+{
+    pci_mpc824x_init(&hose);
+    /* pci_dev_init(0); */
+}
+
+/*
+ * Write characters to LCD display.
+ * Note that the bytes for the first character is the last address.
+ */
+void
+sys_led_msg(char* msg)
+{
+    LED_REG(0) = msg[3];
+    LED_REG(1) = msg[2];
+    LED_REG(2) = msg[1];
+    LED_REG(3) = msg[0];
+}
+
+/*
+ * Map onboard TSOP-16MB DOC FLASH chip.
+ */
+void doc_init (void)
+{
+    doc_probe(DOC_BASE_ADDR);
+}
+
+#define NV_ADDR	((volatile unsigned char *) CFG_ENV_ADDR)
+
+/* Read from NVRAM */
+void*
+nvram_read(void *dest, const long src, size_t count)
+{
+    int i;
+    volatile unsigned char* d = (unsigned char*)dest;
+    volatile unsigned char* s = (unsigned char*)src;
+
+    for( i = 0; i < count;i++)
+	d[i] = s[i];
+
+    return dest;
+}
+
+/* Write to NVRAM */
+void
+nvram_write(long dest, const void *src, size_t count)
+{
+    int i;
+    volatile unsigned char* d = (unsigned char*)dest;
+    volatile unsigned char* s = (unsigned char*)src;
+
+    SYS_TOD_UNPROTECT();
+
+    for( i = 0; i < count;i++)
+	d[i] = s[i];
+
+    SYS_TOD_PROTECT();
+}

board/bmw/serial.c

@@ -0,0 +1,83 @@
+/*
+ * (C) Copyright 2000
+ * Rob Taylor, Flying Pig Systems. robt@flyingpig.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 "ns16550.h"
+
+#if CONFIG_CONS_INDEX == 1
+static struct NS16550 *console =
+		(struct NS16550 *) (CFG_EUMB_ADDR + 0x4500);
+#elif CONFIG_CONS_INDEX == 2
+static struct NS16550 *console =
+		(struct NS16550 *) (CFG_EUMB_ADDR + 0x4500);
+#else
+#error no valid console defined
+#endif
+
+extern ulong get_bus_freq (ulong);
+
+int serial_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	int clock_divisor = gd->bus_clk / 16 / gd->baudrate;
+
+	NS16550_init (CONFIG_CONS_INDEX - 1, clock_divisor);
+
+	return (0);
+}
+
+void serial_putc (const char c)
+{
+	if (c == '\n') {
+		serial_putc ('\r');
+	}
+	NS16550_putc (console, c);
+}
+
+void serial_puts (const char *s)
+{
+	while (*s) {
+		serial_putc (*s++);
+	}
+}
+
+
+int serial_getc (void)
+{
+	return NS16550_getc (console);
+}
+
+int serial_tstc (void)
+{
+	return NS16550_tstc (console);
+}
+
+void serial_setbrg (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	int clock_divisor = get_bus_freq (0) / 16 / gd->baudrate;
+
+	NS16550_reinit (console, clock_divisor);
+}

board/cpu86/cpu86.c

@@ -0,0 +1,354 @@
+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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>
+#include <ioports.h>
+#include <mpc8260.h>
+#include "cpu86.h"
+
+/*
+ * I/O Port configuration table
+ *
+ * if conf is 1, then that port pin will be configured at boot time
+ * according to the five values podr/pdir/ppar/psor/pdat for that entry
+ */
+
+const iop_conf_t iop_conf_tab[4][32] = {
+
+    /* Port A configuration */
+    {	/*	      conf ppar psor pdir podr pdat */
+	/* PA31 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 MII COL */
+	/* PA30 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 MII CRS */
+	/* PA29 */ {   1,   1,   1,   1,   0,   0   }, /* FCC1 MII TX_ER */
+	/* PA28 */ {   1,   1,   1,   1,   0,   0   }, /* FCC1 MII TX_EN */
+	/* PA27 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 MII RX_DV */
+	/* PA26 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 MII RX_ER */
+	/* PA25 */ {   1,   0,   0,   1,   0,   0   }, /* FCC2 MII MDIO */
+	/* PA24 */ {   1,   0,   0,   1,   0,   0   }, /* FCC2 MII MDC */
+	/* PA23 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 MII MDIO */
+	/* PA22 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 MII MDC */
+	/* PA21 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 MII TxD[3] */
+	/* PA20 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 MII TxD[2] */
+	/* PA19 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 MII TxD[1] */
+	/* PA18 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 MII TxD[0] */
+	/* PA17 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[0] */
+	/* PA16 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[1] */
+	/* PA15 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[2] */
+	/* PA14 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[3] */
+	/* PA13 */ {   1,   0,   0,   1,   0,   0   }, /* FCC2 MII TXSL1 */
+	/* PA12 */ {   1,   0,   0,   1,   0,   1   }, /* FCC2 MII TXSL0 */
+	/* PA11 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 MII TXSL1 */
+	/* PA10 */ {   1,   0,   0,   1,   0,   1   }, /* FCC1 MII TXSL0 */
+	/* PA9  */ {   0,   1,   0,   1,   0,   0   }, /* SMC2 TXD */
+	/* PA8  */ {   0,   1,   0,   0,   0,   0   }, /* SMC2 RXD */
+	/* PA7  */ {   0,   0,   0,   0,   0,   0   }, /* PA7 */
+	/* PA6  */ {   1,   0,   0,   1,   0,   1   }, /* FCC2 MII PAUSE */
+	/* PA5  */ {   1,   0,   0,   1,   0,   1   }, /* FCC1 MII PAUSE */
+	/* PA4  */ {   1,   0,   0,   1,   0,   0   }, /* FCC2 MII PWRDN */
+	/* PA3  */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 MII PWRDN */
+	/* PA2  */ {   0,   0,   0,   0,   0,   0   }, /* PA2 */
+	/* PA1  */ {   1,   0,   0,   0,   0,   0   }, /* FCC2 MII MDINT */
+	/* PA0  */ {   1,   0,   0,   1,   0,   0   }  /* FCC1 MII MDINT */
+    },
+
+    /* Port B configuration */
+    {   /*	      conf ppar psor pdir podr pdat */
+	/* PB31 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TX_ER */
+	/* PB30 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_DV */
+	/* PB29 */ {   1,   1,   1,   1,   0,   0   }, /* FCC2 MII TX_EN */
+	/* PB28 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_ER */
+	/* PB27 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII COL */
+	/* PB26 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII CRS */
+	/* PB25 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[3] */
+	/* PB24 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[2] */
+	/* PB23 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[1] */
+	/* PB22 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[0] */
+	/* PB21 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[0] */
+	/* PB20 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[1] */
+	/* PB19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[2] */
+	/* PB18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[3] */
+	/* PB17 */ {   0,   0,   0,   0,   0,   0   }, /* PB17 */
+	/* PB16 */ {   0,   0,   0,   0,   0,   0   }, /* PB16 */
+	/* PB15 */ {   0,   0,   0,   0,   0,   0   }, /* PB15 */
+	/* PB14 */ {   0,   0,   0,   0,   0,   0   }, /* PB14 */
+	/* PB13 */ {   0,   0,   0,   0,   0,   0   }, /* PB13 */
+	/* PB12 */ {   0,   0,   0,   0,   0,   0   }, /* PB12 */
+	/* PB11 */ {   0,   0,   0,   0,   0,   0   }, /* PB11 */
+	/* PB10 */ {   0,   0,   0,   0,   0,   0   }, /* PB10 */
+	/* PB9  */ {   0,   0,   0,   0,   0,   0   }, /* PB9 */
+	/* PB8  */ {   0,   0,   0,   0,   0,   0   }, /* PB8 */
+	/* PB7  */ {   0,   0,   0,   0,   0,   0   }, /* PB7 */
+	/* PB6  */ {   0,   0,   0,   0,   0,   0   }, /* PB6 */
+	/* PB5  */ {   0,   0,   0,   0,   0,   0   }, /* PB5 */
+	/* PB4  */ {   0,   0,   0,   0,   0,   0   }, /* PB4 */
+	/* PB3  */ {   0,   0,   0,   0,   0,   0   }, /* PB3 */
+	/* PB2  */ {   0,   0,   0,   0,   0,   0   }, /* PB2 */
+	/* PB1  */ {   0,   0,   0,   0,   0,   0   }, /* PB1 */
+	/* PB0  */ {   0,   0,   0,   0,   0,   0   }  /* PB0 */
+    },
+
+    /* Port C */
+    {   /*	      conf ppar psor pdir podr pdat */
+	/* PC31 */ {   0,   0,   0,   0,   0,   0   }, /* PC31 */
+	/* PC30 */ {   0,   0,   0,   0,   0,   0   }, /* PC30 */
+	/* PC29 */ {   1,   0,   0,   0,   0,   0   }, /* SCC1 CTS */
+	/* PC28 */ {   1,   0,   0,   0,   0,   0   }, /* SCC2 CTS */
+	/* PC27 */ {   0,   0,   0,   0,   0,   0   }, /* PC27 */
+	/* PC26 */ {   0,   0,   0,   0,   0,   0   }, /* PC26 */
+	/* PC25 */ {   0,   0,   0,   0,   0,   0   }, /* PC25 */
+	/* PC24 */ {   0,   0,   0,   0,   0,   0   }, /* PC24 */
+	/* PC23 */ {   0,   0,   0,   0,   0,   0   }, /* FDC37C78 DACFD */
+	/* PC22 */ {   0,   0,   0,   0,   0,   0   }, /* FDC37C78 DNFD */
+	/* PC21 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RX_CLK */
+	/* PC20 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII TX_CLK */
+	/* PC19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_CLK */
+	/* PC18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII TX_CLK */
+	/* PC17 */ {   0,   0,   0,   0,   0,   0   }, /* PC17 */
+	/* PC16 */ {   0,   0,   0,   0,   0,   0   }, /* PC16 */
+	/* PC15 */ {   0,   0,   0,   0,   0,   0   }, /* PC15 */
+	/* PC14 */ {   0,   0,   0,   0,   0,   0   }, /* PC14 */
+	/* PC13 */ {   0,   0,   0,   0,   0,   0   }, /* PC13 */
+	/* PC12 */ {   0,   0,   0,   0,   0,   0   }, /* PC12 */
+	/* PC11 */ {   0,   0,   0,   0,   0,   0   }, /* PC11 */
+	/* PC10 */ {   0,   0,   0,   0,   0,   0   }, /* PC10 */
+	/* PC9  */ {   0,   0,   0,   0,   0,   0   }, /* FC9 */
+	/* PC8  */ {   0,   0,   0,   0,   0,   0   }, /* PC8 */
+	/* PC7  */ {   0,   0,   0,   0,   0,   0   }, /* PC7 */
+	/* PC6  */ {   0,   0,   0,   0,   0,   0   }, /* PC6 */
+	/* PC5  */ {   0,   0,   0,   0,   0,   0   }, /* PC5 */
+	/* PC4  */ {   0,   0,   0,   0,   0,   0   }, /* PC4 */
+	/* PC3  */ {   0,   0,   0,   0,   0,   0   }, /* PC3 */
+	/* PC2  */ {   0,   0,   0,   0,   0,   0   }, /* PC2 */
+	/* PC1  */ {   0,   0,   0,   0,   0,   0   }, /* PC1 */
+	/* PC0  */ {   0,   0,   0,   0,   0,   0   }, /* FDC37C78 DRQFD */
+    },
+
+    /* Port D */
+    {   /*	      conf ppar psor pdir podr pdat */
+	/* PD31 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 RXD */
+	/* PD30 */ {   1,   1,   1,   1,   0,   0   }, /* SCC1 TXD */
+	/* PD29 */ {   1,   0,   0,   1,   0,   0   }, /* SCC1 RTS */
+	/* PD28 */ {   1,   1,   0,   0,   0,   0   }, /* SCC2 RXD */
+	/* PD27 */ {   1,   1,   0,   1,   0,   0   }, /* SCC2 TXD */
+	/* PD26 */ {   1,   0,   0,   1,   0,   0   }, /* SCC2 RTS */
+	/* PD25 */ {   0,   0,   0,   0,   0,   0   }, /* PD25 */
+	/* PD24 */ {   0,   0,   0,   0,   0,   0   }, /* PD24 */
+	/* PD23 */ {   0,   0,   0,   0,   0,   0   }, /* PD23 */
+	/* PD22 */ {   0,   0,   0,   0,   0,   0   }, /* PD22 */
+	/* PD21 */ {   0,   0,   0,   0,   0,   0   }, /* PD21 */
+	/* PD20 */ {   0,   0,   0,   0,   0,   0   }, /* PD20 */
+	/* PD19 */ {   0,   0,   0,   0,   0,   0   }, /* PD19 */
+	/* PD18 */ {   0,   0,   0,   0,   0,   0   }, /* PD18 */
+	/* PD17 */ {   0,   0,   0,   0,   0,   0   }, /* PD17 */
+	/* PD16 */ {   0,   0,   0,   0,   0,   0   }, /* PD16 */
+#if defined(CONFIG_SOFT_I2C)
+	/* PD15 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SDA */
+	/* PD14 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SCL */
+#else
+#if defined(CONFIG_HARD_I2C)
+	/* PD15 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SDA */
+	/* PD14 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SCL */
+#else /* normal I/O port pins */
+	/* PD15 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SDA */
+	/* PD14 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SCL */
+#endif
+#endif
+	/* PD13 */ {   0,   0,   0,   0,   0,   0   }, /* PD13 */
+	/* PD12 */ {   0,   0,   0,   0,   0,   0   }, /* PD12 */
+	/* PD11 */ {   0,   0,   0,   0,   0,   0   }, /* PD11 */
+	/* PD10 */ {   0,   0,   0,   0,   0,   0   }, /* PD10 */
+	/* PD9  */ {   1,   1,   0,   1,   0,   0   }, /* SMC1 TXD */
+	/* PD8  */ {   1,   1,   0,   0,   0,   0   }, /* SMC1 RXD */
+	/* PD7  */ {   0,   0,   0,   0,   0,   0   }, /* PD7 */
+	/* PD6  */ {   0,   0,   0,   0,   0,   0   }, /* PD6 */
+	/* PD5  */ {   0,   0,   0,   0,   0,   0   }, /* PD5 */
+	/* PD4  */ {   0,   0,   0,   0,   0,   0   }, /* PD4 */
+	/* PD3  */ {   0,   0,   0,   0,   0,   0   }, /* PD3 */
+	/* PD2  */ {   0,   0,   0,   0,   0,   0   }, /* PD2 */
+	/* PD1  */ {   0,   0,   0,   0,   0,   0   }, /* PD1 */
+	/* PD0  */ {   0,   0,   0,   0,   0,   0   }  /* PD0 */
+    }
+};
+
+/* ------------------------------------------------------------------------- */
+
+/* Check Board Identity:
+ */
+int checkboard (void)
+{
+	printf ("Board: CPU86 (Rev %02x)\n", CPU86_REV);
+	return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx
+ *
+ * This routine performs standard 8260 initialization sequence
+ * and calculates the available memory size. It may be called
+ * several times to try different SDRAM configurations on both
+ * 60x and local buses.
+ */
+static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
+			  ulong orx, volatile uchar * base)
+{
+	volatile uchar c = 0xff;
+	ulong cnt, val;
+	volatile ulong *addr;
+	volatile uint *sdmr_ptr;
+	volatile uint *orx_ptr;
+	int i;
+	ulong save[32];		/* to make test non-destructive */
+	ulong maxsize;
+
+	/* We must be able to test a location outsize the maximum legal size
+	 * to find out THAT we are outside; but this address still has to be
+	 * mapped by the controller. That means, that the initial mapping has
+	 * to be (at least) twice as large as the maximum expected size.
+	 */
+	maxsize = (1 + (~orx | 0x7fff)) / 2;
+
+	/* Since CFG_SDRAM_BASE is always 0 (??), we assume that
+	 * we are configuring CS1 if base != 0
+	 */
+	sdmr_ptr = &memctl->memc_psdmr;
+	orx_ptr = &memctl->memc_or2;
+
+	*orx_ptr = orx;
+
+	/*
+	 * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):
+	 *
+	 * "At system reset, initialization software must set up the
+	 *  programmable parameters in the memory controller banks registers
+	 *  (ORx, BRx, P/LSDMR). After all memory parameters are configured,
+	 *  system software should execute the following initialization sequence
+	 *  for each SDRAM device.
+	 *
+	 *  1. Issue a PRECHARGE-ALL-BANKS command
+	 *  2. Issue eight CBR REFRESH commands
+	 *  3. Issue a MODE-SET command to initialize the mode register
+	 *
+	 *  The initial commands are executed by setting P/LSDMR[OP] and
+	 *  accessing the SDRAM with a single-byte transaction."
+	 *
+	 * The appropriate BRx/ORx registers have already been set when we
+	 * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE.
+	 */
+
+	*sdmr_ptr = sdmr | PSDMR_OP_PREA;
+	*base = c;
+
+	*sdmr_ptr = sdmr | PSDMR_OP_CBRR;
+	for (i = 0; i < 8; i++)
+		*base = c;
+
+	*sdmr_ptr = sdmr | PSDMR_OP_MRW;
+	*(base + CFG_MRS_OFFS) = c;	/* setting MR on address lines */
+
+	*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
+	*base = c;
+
+	/*
+	 * Check memory range for valid RAM. A simple memory test determines
+	 * the actually available RAM size between addresses `base' and
+	 * `base + maxsize'. Some (not all) hardware errors are detected:
+	 * - short between address lines
+	 * - short between data lines
+	 */
+	i = 0;
+	for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
+		addr = (volatile ulong *) base + cnt;	/* pointer arith! */
+		save[i++] = *addr;
+		*addr = ~cnt;
+	}
+
+	addr = (volatile ulong *) base;
+	save[i] = *addr;
+	*addr = 0;
+
+	if ((val = *addr) != 0) {
+		*addr = save[i];
+		return (0);
+	}
+
+	for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
+		addr = (volatile ulong *) base + cnt;	/* pointer arith! */
+		val = *addr;
+		*addr = save[--i];
+		if (val != ~cnt) {
+			/* Write the actual size to ORx
+			 */
+			*orx_ptr = orx | ~(cnt * sizeof (long) - 1);
+			return (cnt * sizeof (long));
+		}
+	}
+	return (maxsize);
+}
+
+long int initdram (int board_type)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8260_t *memctl = &immap->im_memctl;
+
+#ifndef CFG_RAMBOOT
+	ulong size8, size9;
+#endif
+	long psize;
+
+	psize = 32 * 1024 * 1024;
+
+	memctl->memc_mptpr = CFG_MPTPR;
+	memctl->memc_psrt = CFG_PSRT;
+
+#ifndef CFG_RAMBOOT
+	/* 60x SDRAM setup:
+	 */
+	size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR2_8COL,
+			  (uchar *) CFG_SDRAM_BASE);
+	size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR2_9COL,
+			  (uchar *) CFG_SDRAM_BASE);
+
+	if (size8 < size9) {
+		psize = size9;
+		printf ("(60x:9COL) ");
+	} else {
+		psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR2_8COL,
+				  (uchar *) CFG_SDRAM_BASE);
+		printf ("(60x:8COL) ");
+	}
+
+#endif	/* CFG_RAMBOOT */
+
+	icache_enable ();
+
+	return (psize);
+}
+
+#if (CONFIG_COMMANDS & CFG_CMD_DOC)
+extern void doc_probe (ulong physadr);
+void doc_init (void)
+{
+	doc_probe (CFG_DOC_BASE);
+}
+#endif

board/nx823/nx823.c

@@ -0,0 +1,485 @@
+/*
+ * (C) Copyright 2001
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2001-2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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>
+#include <malloc.h>
+#include <mpc8xx.h>
+
+/* ------------------------------------------------------------------------- */
+
+static long int dram_size (long int, long int *, long int);
+
+/* ------------------------------------------------------------------------- */
+
+#define	_NOT_USED_	0xFFFFFFFF
+
+const uint sdram_table[] =
+{
+#if (MPC8XX_SPEED <= 50000000L)
+	/*
+	 * Single Read. (Offset 0 in UPMA RAM)
+	 */
+	0x0F07EC04,
+	0x01BBD804,
+	0x1FF7F440,
+	0xFFFFFC07,
+	0xFFFFFFFF,
+
+	/*
+	 * SDRAM Initialization (offset 5 in UPMA RAM)
+	 *
+	 * This is no UPM entry point. The following definition uses
+	 * the remaining space to establish an initialization
+	 * sequence, which is executed by a RUN command.
+	 *
+	 */
+	0x1FE7F434,
+	0xEFABE834,
+	0x1FA7D435,
+
+	/*
+	 * Burst Read. (Offset 8 in UPMA RAM)
+	 */
+	0x0F07EC04,
+	0x10EFDC04,
+	0xF0AFFC00,
+	0xF0AFFC00,
+	0xF1AFFC00,
+	0xFFAFFC40,
+	0xFFAFFC07,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+
+	/*
+	 * Single Write. (Offset 18 in UPMA RAM)
+	 */
+	0x0E07E804,
+	0x01BBD000,
+	0x1FF7F447,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+
+	/*
+	 * Burst Write. (Offset 20 in UPMA RAM)
+	 */
+	0x0E07E800,
+	0x10EFD400,
+	0xF0AFFC00,
+	0xF0AFFC00,
+	0xF1AFFC47,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+
+	/*
+	 * Refresh  (Offset 30 in UPMA RAM)
+	 */
+	0x1FF7DC84,
+	0xFFFFFC04,
+	0xFFFFFC84,
+	0xFFFFFC07,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+
+	/*
+	 * Exception. (Offset 3c in UPMA RAM)
+	 */
+	0x7FFFFC07,
+	0xFFFFFFFF,
+	0xFFFFFFFF,
+	0xFFFFFFFF
+
+#else
+
+	/*
+	 * Single Read. (Offset 0 in UPMA RAM)
+	 */
+	0x1F07FC04,
+	0xEEAFEC04,
+	0x11AFDC04,
+	0xEFBBF800,
+	0x1FF7F447,
+
+	/*
+	 * SDRAM Initialization (offset 5 in UPMA RAM)
+	 *
+	 * This is no UPM entry point. The following definition uses
+	 * the remaining space to establish an initialization
+	 * sequence, which is executed by a RUN command.
+	 *
+	 */
+	0x1FF7F434,
+	0xEFEBE834,
+	0x1FB7D435,
+
+	/*
+	 * Burst Read. (Offset 8 in UPMA RAM)
+	 */
+	0x1F07FC04,
+	0xEEAFEC04,
+	0x10AFDC04,
+	0xF0AFFC00,
+	0xF0AFFC00,
+	0xF1AFFC00,
+	0xEFBBF800,
+	0x1FF7F447,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+
+	/*
+	 * Single Write. (Offset 18 in UPMA RAM)
+	 */
+	0x1F07FC04,
+	0xEEAFE800,
+	0x01BBD004,
+	0x1FF7F447,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+
+	/*
+	 * Burst Write. (Offset 20 in UPMA RAM)
+	 */
+	0x1F07FC04,
+	0xEEAFE800,
+	0x10AFD400,
+	0xF0AFFC00,
+	0xF0AFFC00,
+	0xE1BBF804,
+	0x1FF7F447,
+ 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+
+	/*
+	 * Refresh  (Offset 30 in UPMA RAM)
+	 */
+	0x1FF7DC84,
+	0xFFFFFC04,
+	0xFFFFFC04,
+	0xFFFFFC04,
+	0xFFFFFC84,
+	0xFFFFFC07,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_,
+
+	/*
+	 * Exception. (Offset 3c in UPMA RAM)
+	 */
+	0x7FFFFC07,		/* last */
+   _NOT_USED_, _NOT_USED_, _NOT_USED_,
+#endif
+};
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Check Board Identity:
+ *
+ */
+
+int checkboard (void)
+{
+    printf ("Board: Nexus NX823");
+    return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+    volatile immap_t     *immap  = (immap_t *)CFG_IMMR;
+    volatile memctl8xx_t *memctl = &immap->im_memctl;
+    long int size_b0, size_b1, size8, size9;
+
+    upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
+
+    /*
+     * Up to 2 Banks of 64Mbit x 2 devices
+	  * Initial builds only have 1
+     */
+    memctl->memc_mptpr = CFG_MPTPR_1BK_4K;
+    memctl->memc_mar  = 0x00000088;
+
+    /*
+     * Map controller SDRAM bank 0
+     */
+    memctl->memc_or1 = CFG_OR1_PRELIM;
+    memctl->memc_br1 = CFG_BR1_PRELIM;
+    memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */
+    udelay(200);
+
+    /*
+     * Map controller SDRAM bank 1
+     */
+    memctl->memc_or2 = CFG_OR2_PRELIM;
+    memctl->memc_br2 = CFG_BR2_PRELIM;
+
+    /*
+     * Perform SDRAM initializsation sequence
+     */
+    memctl->memc_mcr  = 0x80002105;	/* SDRAM bank 0 */
+    udelay(1);
+    memctl->memc_mcr  = 0x80002230;	/* SDRAM bank 0 - execute twice */
+    udelay(1);
+
+    memctl->memc_mcr  = 0x80004105;	/* SDRAM bank 1 */
+    udelay(1);
+    memctl->memc_mcr  = 0x80004230;	/* SDRAM bank 1 - execute twice */
+    udelay(1);
+
+    memctl->memc_mamr |= MAMR_PTAE;	/* enable refresh */
+    udelay (1000);
+
+    /*
+     * Preliminary prescaler for refresh (depends on number of
+     * banks): This value is selected for four cycles every 62.4 us
+     * with two SDRAM banks or four cycles every 31.2 us with one
+     * bank. It will be adjusted after memory sizing.
+     */
+    memctl->memc_mptpr = CFG_MPTPR_2BK_8K;
+
+    memctl->memc_mar  = 0x00000088;
+
+
+    /*
+     * Check Bank 0 Memory Size for re-configuration
+     *
+     * try 8 column mode
+     */
+     size8 = dram_size (CFG_MAMR_8COL, (ulong *)SDRAM_BASE1_PRELIM, SDRAM_MAX_SIZE);
+
+    udelay (1000);
+
+    /*
+     * try 9 column mode
+     */
+    size9 = dram_size (CFG_MAMR_9COL, (ulong *)SDRAM_BASE1_PRELIM, SDRAM_MAX_SIZE);
+
+    if (size8 < size9) {		/* leave configuration at 9 columns	*/
+	size_b0 = size9;
+/*	debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20);	*/
+    } else {				/* back to 8 columns			*/
+	size_b0 = size8;
+	memctl->memc_mamr = CFG_MAMR_8COL;
+	udelay(500);
+/*	debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20);	*/
+    }
+
+	/*
+	 * Check Bank 1 Memory Size
+	 * use current column settings
+	 * [9 column SDRAM may also be used in 8 column mode,
+	 *  but then only half the real size will be used.]
+	 */
+	size_b1 = dram_size (memctl->memc_mamr, (ulong *)SDRAM_BASE2_PRELIM,
+				SDRAM_MAX_SIZE);
+/*	debug ("SDRAM Bank 1: %ld MB\n", size8 >> 20);	*/
+
+    udelay (1000);
+
+    /*
+     * Adjust refresh rate depending on SDRAM type, both banks
+     * For types > 128 MBit leave it at the current (fast) rate
+     */
+    if ((size_b0 < 0x02000000) && (size_b1 < 0x02000000)) {
+	/* reduce to 15.6 us (62.4 us / quad) */
+	memctl->memc_mptpr = CFG_MPTPR_2BK_4K;
+	udelay(1000);
+    }
+
+    /*
+     * Final mapping: map bigger bank first
+     */
+    if (size_b1 > size_b0) {	/* SDRAM Bank 1 is bigger - map first	*/
+
+	memctl->memc_or2 = ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
+	memctl->memc_br2 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
+
+	if (size_b0 > 0) {
+	    /*
+	     * Position Bank 0 immediately above Bank 1
+	     */
+	    memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
+	    memctl->memc_br1 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V)
+	    		       + size_b1;
+	} else {
+	    unsigned long reg;
+	    /*
+	     * No bank 0
+	     *
+	     * invalidate bank
+	     */
+	    memctl->memc_br1 = 0;
+
+	    /* adjust refresh rate depending on SDRAM type, one bank */
+	    reg = memctl->memc_mptpr;
+	    reg >>= 1;	/* reduce to CFG_MPTPR_1BK_8K / _4K */
+	    memctl->memc_mptpr = reg;
+	}
+
+    } else {			/* SDRAM Bank 0 is bigger - map first	*/
+
+	memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
+	memctl->memc_br1 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
+
+	if (size_b1 > 0) {
+	    /*
+	     * Position Bank 1 immediately above Bank 0
+	     */
+	    memctl->memc_or2 = ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
+	    memctl->memc_br2 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V)
+	    		       + size_b0;
+	} else {
+	    unsigned long reg;
+	    /*
+	     * No bank 1
+	     *
+	     * invalidate bank
+	     */
+	    memctl->memc_br2 = 0;
+
+	    /* adjust refresh rate depending on SDRAM type, one bank */
+	    reg = memctl->memc_mptpr;
+	    reg >>= 1;	/* reduce to CFG_MPTPR_1BK_8K / _4K */
+	    memctl->memc_mptpr = reg;
+	}
+    }
+
+    udelay(10000);
+
+    return (size_b0 + size_b1);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check memory range for valid RAM. A simple memory test determines
+ * the actually available RAM size between addresses `base' and
+ * `base + maxsize'. Some (not all) hardware errors are detected:
+ * - short between address lines
+ * - short between data lines
+ */
+
+static long int dram_size (long int mamr_value, long int *base, long int maxsize)
+{
+    volatile immap_t     *immap  = (immap_t *)CFG_IMMR;
+    volatile memctl8xx_t *memctl = &immap->im_memctl;
+    volatile long int	 *addr;
+    long int		  cnt, val;
+
+    memctl->memc_mamr = mamr_value;
+
+    for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) {
+	addr = base + cnt;	/* pointer arith! */
+
+	*addr = ~cnt;
+    }
+
+    /* write 0 to base address */
+    addr = base;
+    *addr = 0;
+
+    /* check at base address */
+    if ((val = *addr) != 0) {
+	return (0);
+    }
+
+    for (cnt = 1; ; cnt <<= 1) {
+	addr = base + cnt;	/* pointer arith! */
+
+	val = *addr;
+
+	if (val != (~cnt)) {
+	    return (cnt * sizeof(long));
+	}
+    }
+    /* NOTREACHED */
+}
+
+u_long *my_sernum;
+
+int misc_init_r (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	char tmp[50];
+	u_char *e = gd->bd->bi_enetaddr;
+
+	/* save serial numbre from flash (uniquely programmed) */
+	my_sernum = malloc(8);
+	memcpy(my_sernum,gd->bd->bi_sernum,8);
+
+	/* save env variables according to sernum */
+	sprintf(tmp,"%08lx%08lx",my_sernum[0],my_sernum[1]);
+	setenv("serial#",tmp);
+
+	sprintf(tmp,"%02x:%02x:%02x:%02x:%02x:%02x"
+				,e[0],e[1],e[2],e[3],e[4],e[5]);
+	setenv("ethaddr",tmp);
+	return (0);
+}
+
+void load_sernum_ethaddr (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	int i;
+	bd_t * bd = gd->bd;
+
+	for (i = 0; i < 8; i++) {
+		bd->bi_sernum[i] = *(u_char *) (CFG_FLASH_SN_BASE + i);
+	}
+	bd->bi_enetaddr[0] = 0x10;
+	bd->bi_enetaddr[1] = 0x20;
+	bd->bi_enetaddr[2] = 0x30;
+	bd->bi_enetaddr[3] = bd->bi_sernum[1] << 4 | bd->bi_sernum[2];
+	bd->bi_enetaddr[4] = bd->bi_sernum[5];
+	bd->bi_enetaddr[5] = bd->bi_sernum[6];
+}
+

board/pcippc2/fpga_serial.c

@@ -0,0 +1,132 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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 <config.h>
+#include <common.h>
+#include <asm/io.h>
+
+#include "fpga_serial.h"
+#include "hardware.h"
+#include "pcippc2.h"
+
+  /* 8 data, 1 stop, no parity
+   */
+#define LCRVAL		0x03
+  /* RTS/DTR
+   */
+#define MCRVAL		0x03
+  /* Clear & enable FIFOs
+   */
+#define FCRVAL		0x07
+
+static void fpga_serial_wait (void);
+static void fpga_serial_print (char c);
+
+void fpga_serial_init (int baudrate)
+{
+	int clock_divisor = 115200 / baudrate;
+
+	out8 (FPGA (INT, SERIAL_CONFIG), 0x24);
+	iobarrier_rw ();
+
+	fpga_serial_wait ();
+
+	out8 (UART (IER), 0);
+	out8 (UART (LCR), LCRVAL | 0x80);
+	iobarrier_rw ();
+	out8 (UART (DLL), clock_divisor & 0xff);
+	out8 (UART (DLM), clock_divisor >> 8);
+	iobarrier_rw ();
+	out8 (UART (LCR), LCRVAL);
+	iobarrier_rw ();
+	out8 (UART (MCR), MCRVAL);
+	out8 (UART (FCR), FCRVAL);
+	iobarrier_rw ();
+}
+
+void fpga_serial_putc (char c)
+{
+	if (c) {
+		fpga_serial_print (c);
+	}
+}
+
+void fpga_serial_puts (const char *s)
+{
+	while (*s) {
+		fpga_serial_print (*s++);
+	}
+}
+
+int fpga_serial_getc (void)
+{
+	while ((in8 (UART (LSR)) & 0x01) == 0);
+
+	return in8 (UART (RBR));
+}
+
+int fpga_serial_tstc (void)
+{
+	return (in8 (UART (LSR)) & 0x01) != 0;
+}
+
+void fpga_serial_setbrg (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	int clock_divisor = 115200 / gd->baudrate;
+
+	fpga_serial_wait ();
+
+	out8 (UART (LCR), LCRVAL | 0x80);
+	iobarrier_rw ();
+	out8 (UART (DLL), clock_divisor & 0xff);
+	out8 (UART (DLM), clock_divisor >> 8);
+	iobarrier_rw ();
+	out8 (UART (LCR), LCRVAL);
+	iobarrier_rw ();
+}
+
+static void fpga_serial_wait (void)
+{
+	while ((in8 (UART (LSR)) & 0x40) == 0);
+}
+
+static void fpga_serial_print (char c)
+{
+	if (c == '\n') {
+		while ((in8 (UART (LSR)) & 0x20) == 0);
+
+		out8 (UART (THR), '\r');
+		iobarrier_rw ();
+	}
+
+	while ((in8 (UART (LSR)) & 0x20) == 0);
+
+	out8 (UART (THR), c);
+	iobarrier_rw ();
+
+	if (c == '\n') {
+		fpga_serial_wait ();
+	}
+}

board/pcippc2/fpga_serial.h

@@ -0,0 +1,34 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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
+ */
+
+#ifndef _FPGA_SERIAL_H_
+#define _FPGA_SERIAL_H_
+
+extern void	fpga_serial_init	(int);
+extern void	fpga_serial_putc 	(char);
+extern void	fpga_serial_puts 	(const char *);
+extern int	fpga_serial_getc 	(void);
+extern int	fpga_serial_tstc 	(void);
+extern void	fpga_serial_setbrg 	(void);
+
+#endif

board/pcippc2/sconsole.c

@@ -0,0 +1,141 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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 <config.h>
+#include <common.h>
+
+#include "sconsole.h"
+
+void	(*sconsole_putc) (char) = 0;
+void	(*sconsole_puts) (const char *) = 0;
+int	(*sconsole_getc) (void) = 0;
+int	(*sconsole_tstc) (void) = 0;
+void	(*sconsole_setbrg) (void) = 0;
+
+int serial_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	sconsole_buffer_t *sb = SCONSOLE_BUFFER;
+
+	sb->pos  = 0;
+	sb->size = 0;
+	sb->baud = gd->baudrate;
+	sb->max_size = CFG_SCONSOLE_SIZE - sizeof (sconsole_buffer_t);
+
+	return (0);
+}
+
+void serial_putc (char c)
+{
+	if (sconsole_putc) {
+		(*sconsole_putc) (c);
+	} else {
+		sconsole_buffer_t *sb = SCONSOLE_BUFFER;
+
+		if (c) {
+			sb->data[sb->pos++] = c;
+			if (sb->pos == sb->max_size) {
+				sb->pos = 0;
+			}
+			if (sb->size < sb->max_size) {
+				sb->size++;
+			}
+		}
+	}
+}
+
+void serial_puts (const char *s)
+{
+	if (sconsole_puts) {
+		(*sconsole_puts) (s);
+	} else {
+		sconsole_buffer_t *sb = SCONSOLE_BUFFER;
+
+		while (*s) {
+			sb->data[sb->pos++] = *s++;
+			if (sb->pos == sb->max_size) {
+				sb->pos = 0;
+			}
+			if (sb->size < sb->max_size) {
+				sb->size++;
+			}
+		}
+	}
+}
+
+int serial_getc (void)
+{
+	if (sconsole_getc) {
+		return (*sconsole_getc) ();
+	} else {
+		return 0;
+	}
+}
+
+int serial_tstc (void)
+{
+	if (sconsole_tstc) {
+		return (*sconsole_tstc) ();
+	} else {
+		return 0;
+	}
+}
+
+void serial_setbrg (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	if (sconsole_setbrg) {
+		(*sconsole_setbrg) ();
+	} else {
+		sconsole_buffer_t *sb = SCONSOLE_BUFFER;
+
+		sb->baud = gd->baudrate;
+	}
+}
+
+int sconsole_get_baudrate (void)
+{
+	sconsole_buffer_t *sb = SCONSOLE_BUFFER;
+
+	return sb->baud;
+}
+
+void sconsole_flush (void)
+{
+	if (sconsole_putc) {
+		sconsole_buffer_t *sb = SCONSOLE_BUFFER;
+		unsigned int end = sb->pos < sb->size
+				? sb->pos + sb->max_size - sb->size
+				: sb->pos - sb->size;
+
+		while (sb->size) {
+			(*sconsole_putc) (sb->data[end++]);
+			if (end == sb->max_size) {
+				end = 0;
+			}
+			sb->size--;
+		}
+	}
+}

board/pcippc2/sconsole.h

@@ -0,0 +1,49 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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
+ */
+
+#ifndef _SCONSOLE_H_
+#define _SCONSOLE_H_
+
+#include <config.h>
+
+typedef struct sconsole_buffer_s
+{
+  unsigned long		size;
+  unsigned long		max_size;
+  unsigned long 	pos;
+  unsigned long 	baud;
+  char			data [1];
+} sconsole_buffer_t;
+
+#define SCONSOLE_BUFFER		((sconsole_buffer_t *) CFG_SCONSOLE_ADDR)
+
+extern void	(* sconsole_putc) 	(char);
+extern void	(* sconsole_puts) 	(const char *);
+extern int	(* sconsole_getc) 	(void);
+extern int	(* sconsole_tstc) 	(void);
+extern void	(* sconsole_setbrg) 	(void);
+
+extern void	sconsole_flush		(void);
+extern int 	sconsole_get_baudrate 	(void);
+
+#endif

board/pm826/pm826.c

@@ -0,0 +1,344 @@
+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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>
+#include <ioports.h>
+#include <mpc8260.h>
+
+/*
+ * I/O Port configuration table
+ *
+ * if conf is 1, then that port pin will be configured at boot time
+ * according to the five values podr/pdir/ppar/psor/pdat for that entry
+ */
+
+const iop_conf_t iop_conf_tab[4][32] = {
+
+    /* Port A configuration */
+    {	/*	      conf ppar psor pdir podr pdat */
+	/* PA31 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 COL */
+	/* PA30 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 CRS */
+	/* PA29 */ {   1,   1,   1,   1,   0,   0   }, /* FCC1 TXER */
+	/* PA28 */ {   1,   1,   1,   1,   0,   0   }, /* FCC1 TXEN */
+	/* PA27 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 RXDV */
+	/* PA26 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 RXER */
+	/* PA25 */ {   0,   0,   0,   1,   0,   0   }, /* PA25 */
+	/* PA24 */ {   0,   0,   0,   1,   0,   0   }, /* PA24 */
+	/* PA23 */ {   0,   0,   0,   1,   0,   0   }, /* PA23 */
+	/* PA22 */ {   0,   0,   0,   1,   0,   0   }, /* PA22 */
+	/* PA21 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 TXD3 */
+	/* PA20 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 TXD2 */
+	/* PA19 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 TXD1 */
+	/* PA18 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 TXD0 */
+	/* PA17 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 RXD0 */
+	/* PA16 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 RXD1*/
+	/* PA15 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 RXD2 */
+	/* PA14 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 RXD3 */
+	/* PA13 */ {   0,   0,   0,   1,   0,   0   }, /* PA13 */
+	/* PA12 */ {   0,   0,   0,   1,   0,   0   }, /* PA12 */
+	/* PA11 */ {   0,   0,   0,   1,   0,   0   }, /* PA11 */
+	/* PA10 */ {   0,   0,   0,   1,   0,   0   }, /* PA10 */
+	/* PA9  */ {   0,   1,   0,   1,   0,   0   }, /* PA9 */
+	/* PA8  */ {   0,   1,   0,   0,   0,   0   }, /* PA8 */
+	/* PA7  */ {   0,   0,   0,   1,   0,   0   }, /* PA7 */
+	/* PA6  */ {   0,   0,   0,   1,   0,   0   }, /* PA6 */
+	/* PA5  */ {   0,   0,   0,   1,   0,   0   }, /* PA5 */
+	/* PA4  */ {   0,   0,   0,   1,   0,   0   }, /* PA4 */
+	/* PA3  */ {   0,   0,   0,   1,   0,   0   }, /* PA3 */
+	/* PA2  */ {   0,   0,   0,   1,   0,   0   }, /* PA2 */
+	/* PA1  */ {   0,   0,   0,   1,   0,   0   }, /* PA1 */
+	/* PA0  */ {   0,   0,   0,   1,   0,   0   }  /* PA0 */
+    },
+
+    /* Port B configuration */
+    {   /*	      conf ppar psor pdir podr pdat */
+	/* PB31 */ {   0,   1,   0,   1,   0,   0   }, /* PB31 */
+	/* PB30 */ {   0,   1,   0,   0,   0,   0   }, /* PB30 */
+	/* PB29 */ {   0,   1,   1,   1,   0,   0   }, /* PB29 */
+	/* PB28 */ {   1,   1,   1,   1,   0,   0   }, /* SCC1 TXD */
+	/* PB27 */ {   0,   1,   0,   0,   0,   0   }, /* PB27 */
+	/* PB26 */ {   0,   1,   0,   0,   0,   0   }, /* PB26 */
+	/* PB25 */ {   0,   1,   0,   1,   0,   0   }, /* PB25 */
+	/* PB24 */ {   0,   1,   0,   1,   0,   0   }, /* PB24 */
+	/* PB23 */ {   0,   1,   0,   1,   0,   0   }, /* PB23 */
+	/* PB22 */ {   0,   1,   0,   1,   0,   0   }, /* PB22 */
+	/* PB21 */ {   0,   1,   0,   0,   0,   0   }, /* PB21 */
+	/* PB20 */ {   0,   1,   0,   0,   0,   0   }, /* PB20 */
+	/* PB19 */ {   0,   1,   0,   0,   0,   0   }, /* PB19 */
+	/* PB18 */ {   0,   1,   0,   0,   0,   0   }, /* PB18 */
+	/* PB17 */ {   0,   0,   0,   0,   0,   0   }, /* PB17 */
+	/* PB16 */ {   0,   0,   0,   0,   0,   0   }, /* PB16 */
+	/* PB15 */ {   1,   1,   0,   0,   0,   0   }, /* SCC2 RXD */
+	/* PB14 */ {   1,   1,   0,   0,   0,   0   }, /* SCC3 RXD */
+	/* PB13 */ {   0,   0,   0,   0,   0,   0   }, /* PB13 */
+	/* PB12 */ {   0,   0,   0,   0,   0,   0   }, /* PB12 */
+	/* PB11 */ {   0,   0,   0,   0,   0,   0   }, /* PB11 */
+	/* PB10 */ {   0,   0,   0,   0,   0,   0   }, /* PB10 */
+	/* PB9  */ {   0,   0,   0,   0,   0,   0   }, /* PB9 */
+	/* PB8  */ {   1,   1,   1,   1,   0,   0   }, /* SCC3 TXD */
+	/* PB7  */ {   0,   0,   0,   0,   0,   0   }, /* PB7 */
+	/* PB6  */ {   0,   0,   0,   0,   0,   0   }, /* PB6 */
+	/* PB5  */ {   0,   0,   0,   0,   0,   0   }, /* PB5 */
+	/* PB4  */ {   0,   0,   0,   0,   0,   0   }, /* PB4 */
+	/* PB3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PB2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PB1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PB0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */
+    },
+
+    /* Port C */
+    {   /*	      conf ppar psor pdir podr pdat */
+	/* PC31 */ {   0,   0,   0,   1,   0,   0   }, /* PC31 */
+	/* PC30 */ {   0,   0,   0,   1,   0,   0   }, /* PC30 */
+	/* PC29 */ {   0,   1,   1,   0,   0,   0   }, /* SCC1 CTS */
+	/* PC28 */ {   0,   0,   0,   1,   0,   0   }, /* SCC2 CTS */
+	/* PC27 */ {   0,   0,   0,   1,   0,   0   }, /* PC27 */
+	/* PC26 */ {   0,   0,   0,   1,   0,   0   }, /* PC26 */
+	/* PC25 */ {   0,   0,   0,   1,   0,   0   }, /* PC25 */
+	/* PC24 */ {   0,   0,   0,   1,   0,   0   }, /* PC24 */
+	/* PC23 */ {   0,   1,   0,   1,   0,   0   }, /* PC23 */
+	/* PC22 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 TXCK */
+	/* PC21 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 RXCK */
+	/* PC20 */ {   0,   1,   0,   0,   0,   0   }, /* PC20 */
+	/* PC19 */ {   0,   1,   0,   0,   0,   0   }, /* PC19 */
+	/* PC18 */ {   0,   1,   0,   0,   0,   0   }, /* PC18 */
+	/* PC17 */ {   0,   0,   0,   1,   0,   0   }, /* PC17 */
+	/* PC16 */ {   0,   0,   0,   1,   0,   0   }, /* PC16 */
+	/* PC15 */ {   1,   1,   0,   1,   0,   0   }, /* SMC2 TXD */
+	/* PC14 */ {   0,   1,   0,   0,   0,   0   }, /* SCC1 DCD */
+	/* PC13 */ {   0,   0,   0,   1,   0,   0   }, /* PC13 */
+	/* PC12 */ {   0,   0,   0,   1,   0,   0   }, /* SCC2 DCD */
+	/* PC11 */ {   0,   0,   0,   1,   0,   0   }, /* SCC3 CTS */
+	/* PC10 */ {   0,   0,   0,   1,   0,   0   }, /* SCC3 DCD */
+	/* PC9  */ {   0,   0,   0,   1,   0,   0   }, /* SCC4 CTS */
+	/* PC8  */ {   0,   0,   0,   1,   0,   0   }, /* SCC4 DCD */
+	/* PC7  */ {   0,   0,   0,   1,   0,   0   }, /* PC7 */
+	/* PC6  */ {   0,   0,   0,   1,   0,   0   }, /* PC6 */
+	/* PC5  */ {   0,   0,   0,   1,   0,   0   }, /* PC5 */
+	/* PC4  */ {   0,   0,   0,   1,   0,   0   }, /* PC4 */
+	/* PC3  */ {   0,   0,   0,   1,   0,   0   }, /* PC3 */
+	/* PC2  */ {   0,   0,   0,   1,   0,   1   }, /* PC2 */
+	/* PC1  */ {   0,   0,   0,   1,   0,   0   }, /* PC1 */
+	/* PC0  */ {   0,   0,   0,   1,   0,   0   }, /* PC0 */
+    },
+
+    /* Port D */
+    {   /*	      conf ppar psor pdir podr pdat */
+	/* PD31 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 RXD */
+	/* PD30 */ {   0,   1,   1,   1,   0,   0   }, /* PD30 */
+	/* PD29 */ {   0,   1,   0,   1,   0,   0   }, /* SCC1 RTS */
+	/* PD28 */ {   0,   0,   0,   1,   0,   0   }, /* PD28 */
+	/* PD27 */ {   0,   1,   0,   1,   0,   0   }, /* SCC2 RTS */
+	/* PD26 */ {   0,   0,   0,   1,   0,   0   }, /* PD26 */
+	/* PD25 */ {   0,   0,   0,   1,   0,   0   }, /* PD25 */
+	/* PD24 */ {   0,   0,   0,   1,   0,   0   }, /* PD24 */
+	/* PD23 */ {   0,   0,   0,   1,   0,   0   }, /* SCC3 RTS */
+	/* PD22 */ {   1,   1,   0,   0,   0,   0   }, /* SCC4 RXD */
+	/* PD21 */ {   1,   1,   0,   1,   0,   0   }, /* SCC4 TXD */
+	/* PD20 */ {   0,   0,   1,   1,   0,   0   }, /* SCC4 RTS */
+	/* PD19 */ {   0,   0,   0,   1,   0,   0   }, /* PD19 */
+	/* PD18 */ {   0,   0,   0,   1,   0,   0   }, /* PD18 */
+	/* PD17 */ {   0,   1,   0,   0,   0,   0   }, /* PD17 */
+	/* PD16 */ {   0,   1,   0,   1,   0,   0   }, /* PD16 */
+#if defined(CONFIG_SOFT_I2C)
+	/* PD15 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SDA */
+	/* PD14 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SCL */
+#else
+#if defined(CONFIG_HARD_I2C)
+	/* PD15 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SDA */
+	/* PD14 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SCL */
+#else /* normal I/O port pins */
+	/* PD15 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SDA */
+	/* PD14 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SCL */
+#endif
+#endif
+	/* PD13 */ {   0,   0,   0,   0,   0,   0   }, /* PD13 */
+	/* PD12 */ {   0,   0,   0,   0,   0,   0   }, /* PD12 */
+	/* PD11 */ {   0,   0,   0,   0,   0,   0   }, /* PD11 */
+	/* PD10 */ {   0,   0,   0,   0,   0,   0   }, /* PD10 */
+	/* PD9  */ {   0,   1,   0,   1,   0,   0   }, /* PD9 */
+	/* PD8  */ {   0,   1,   0,   0,   0,   0   }, /* PD8 */
+	/* PD7  */ {   0,   0,   0,   1,   0,   1   }, /* PD7 */
+	/* PD6  */ {   0,   0,   0,   1,   0,   1   }, /* PD6 */
+	/* PD5  */ {   0,   0,   0,   1,   0,   1   }, /* PD5 */
+	/* PD4  */ {   1,   1,   1,   0,   0,   0   }, /* SMC2 RXD */
+	/* PD3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PD2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PD1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PD0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */
+    }
+};
+
+/* ------------------------------------------------------------------------- */
+
+/* Check Board Identity:
+ */
+int checkboard (void)
+{
+	puts ("Board: PM826\n");
+	return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+
+/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx
+ *
+ * This routine performs standard 8260 initialization sequence
+ * and calculates the available memory size. It may be called
+ * several times to try different SDRAM configurations on both
+ * 60x and local buses.
+ */
+static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
+						  ulong orx, volatile uchar * base)
+{
+	volatile uchar c = 0xff;
+	volatile ulong cnt, val;
+	volatile ulong *addr;
+	volatile uint *sdmr_ptr;
+	volatile uint *orx_ptr;
+	int i;
+	ulong save[32];				/* to make test non-destructive */
+	ulong maxsize;
+
+	/* We must be able to test a location outsize the maximum legal size
+	 * to find out THAT we are outside; but this address still has to be
+	 * mapped by the controller. That means, that the initial mapping has
+	 * to be (at least) twice as large as the maximum expected size.
+	 */
+	maxsize = (1 + (~orx | 0x7fff)) / 2;
+
+	sdmr_ptr = &memctl->memc_psdmr;
+	orx_ptr = &memctl->memc_or2;
+
+	*orx_ptr = orx;
+
+	/*
+	 * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):
+	 *
+	 * "At system reset, initialization software must set up the
+	 *  programmable parameters in the memory controller banks registers
+	 *  (ORx, BRx, P/LSDMR). After all memory parameters are configured,
+	 *  system software should execute the following initialization sequence
+	 *  for each SDRAM device.
+	 *
+	 *  1. Issue a PRECHARGE-ALL-BANKS command
+	 *  2. Issue eight CBR REFRESH commands
+	 *  3. Issue a MODE-SET command to initialize the mode register
+	 *
+	 *  The initial commands are executed by setting P/LSDMR[OP] and
+	 *  accessing the SDRAM with a single-byte transaction."
+	 *
+	 * The appropriate BRx/ORx registers have already been set when we
+	 * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE.
+	 */
+
+	*sdmr_ptr = sdmr | PSDMR_OP_PREA;
+	*base = c;
+
+	*sdmr_ptr = sdmr | PSDMR_OP_CBRR;
+	for (i = 0; i < 8; i++)
+		*base = c;
+
+	*sdmr_ptr = sdmr | PSDMR_OP_MRW;
+	*(base + CFG_MRS_OFFS) = c;	/* setting MR on address lines */
+
+	*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
+	*base = c;
+
+	/*
+	 * Check memory range for valid RAM. A simple memory test determines
+	 * the actually available RAM size between addresses `base' and
+	 * `base + maxsize'. Some (not all) hardware errors are detected:
+	 * - short between address lines
+	 * - short between data lines
+	 */
+	i = 0;
+	for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
+		addr = (volatile ulong *) base + cnt;	/* pointer arith! */
+		save[i++] = *addr;
+		*addr = ~cnt;
+	}
+
+	addr = (volatile ulong *) base;
+	save[i] = *addr;
+	*addr = 0;
+
+	if ((val = *addr) != 0) {
+		*addr = save[i];
+		return (0);
+	}
+
+	for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
+		addr = (volatile ulong *) base + cnt;	/* pointer arith! */
+		val = *addr;
+		*addr = save[--i];
+		if (val != ~cnt) {
+			/* Write the actual size to ORx
+			 */
+			*orx_ptr = orx | ~(cnt * sizeof (long) - 1);
+			return (cnt * sizeof (long));
+		}
+	}
+	return (maxsize);
+}
+
+
+long int initdram (int board_type)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8260_t *memctl = &immap->im_memctl;
+
+#ifndef CFG_RAMBOOT
+	ulong size8, size9;
+#endif
+	ulong psize = 32 * 1024 * 1024;
+
+	memctl->memc_psrt = CFG_PSRT;
+	memctl->memc_mptpr = CFG_MPTPR;
+
+#ifndef CFG_RAMBOOT
+	size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR2_8COL,
+					  (uchar *) CFG_SDRAM_BASE);
+	size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR2_9COL,
+					  (uchar *) CFG_SDRAM_BASE);
+
+	if (size8 < size9) {
+		psize = size9;
+		printf ("(60x:9COL) ");
+	} else {
+		psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR2_8COL,
+						  (uchar *) CFG_SDRAM_BASE);
+		printf ("(60x:8COL) ");
+	}
+#endif
+	return (psize);
+}
+
+#if (CONFIG_COMMANDS & CFG_CMD_DOC)
+extern void doc_probe (ulong physadr);
+void doc_init (void)
+{
+	doc_probe (CFG_DOC_BASE);
+}
+#endif

board/siemens/IAD210/IAD210.c

@@ -0,0 +1,318 @@
+/*
+ * (C) Copyright 2001
+ * Paul Geerinckx
+ *
+ * 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 <mpc8xx.h>
+#include "atm.h"
+#include <i2c.h>
+
+/* ------------------------------------------------------------------------- */
+
+static long int dram_size (long int, long int *, long int);
+
+/* ------------------------------------------------------------------------- */
+
+/* used PLD registers */
+#  define PLD_GCR1_REG (unsigned char *) (0x10000000 + 0)
+#  define PLD_EXT_RES  (unsigned char *) (0x10000000 + 10)
+#  define PLD_EXT_FETH (unsigned char *) (0x10000000 + 11)
+#  define PLD_EXT_LED  (unsigned char *) (0x10000000 + 12)
+#  define PLD_EXT_X21  (unsigned char *) (0x10000000 + 13)
+
+#define	_NOT_USED_	0xFFFFFFFF
+
+const uint sdram_table[] =
+{
+	/*
+	 * Single Read. (Offset 0 in UPMA RAM)
+	 */
+	0xFE2DB004, 0xF0AA7004, 0xF0A5F400, 0xF3AFFC47, /* last */
+	_NOT_USED_,
+	/*
+	 * SDRAM Initialization (offset 5 in UPMA RAM)
+	 *
+	 * This is no UPM entry point. The following definition uses
+	 * the remaining space to establish an initialization
+	 * sequence, which is executed by a RUN command.
+	 *
+	 */
+		    0xFFFAF834, 0xFFE5B435, /* last */
+                                            _NOT_USED_,
+	/*
+	 * Burst Read. (Offset 8 in UPMA RAM)
+	 */
+	0xFE2DB004, 0xF0AF7404, 0xF0AFFC00, 0xF0AFFC00,
+	0xF0AFFC00, 0xF0AAF800, 0xF1A5E447, /* last */
+                                            _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Single Write. (Offset 18 in UPMA RAM)
+	 */
+	0xFE29B300, 0xF1A27304, 0xFFA5F747,  /* last */
+                                            _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Burst Write. (Offset 20 in UPMA RAM)
+	 */
+	0x1F0DFC04, 0xEEABBC00, 0x10A77C00, 0xF0AFFC00,
+	0xF1AAF804, 0xFFA5F447, /* last */
+			        _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Refresh  (Offset 30 in UPMA RAM)
+	 */
+	0xFFAC3884, 0xFFAC3404, 0xFFAFFC04, 0xFFAFFC84,
+	0xFFAFFC07, /* last */
+		    _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * MRS sequence  (Offset 38 in UPMA RAM)
+	 */
+	0xFFAAB834, 0xFFA57434, 0xFFAFFC05, /* last */
+                                            _NOT_USED_,
+	/*
+	 * Exception. (Offset 3c in UPMA RAM)
+	 */
+	0xFFAFFC04, 0xFFAFFC05, /* last */
+		                _NOT_USED_, _NOT_USED_,
+};
+
+/* ------------------------------------------------------------------------- */
+
+
+
+long int initdram (int board_type)
+{
+    volatile immap_t     *immap  = (immap_t *)CFG_IMMR;
+    volatile memctl8xx_t *memctl = &immap->im_memctl;
+    volatile iop8xx_t      *iop    = &immap->im_ioport;
+    volatile fec_t         *fecp   = &immap->im_cpm.cp_fec;
+    long int size;
+
+    upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
+
+    /*
+     * Preliminary prescaler for refresh (depends on number of
+     * banks): This value is selected for four cycles every 62.4 us
+     * with two SDRAM banks or four cycles every 31.2 us with one
+     * bank. It will be adjusted after memory sizing.
+     */
+    memctl->memc_mptpr = CFG_MPTPR;
+
+    memctl->memc_mar  = 0x00000088;
+
+    /*
+     * Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at
+     * preliminary addresses - these have to be modified after the
+     * SDRAM size has been determined.
+     */
+    memctl->memc_or2 = CFG_OR2_PRELIM;
+    memctl->memc_br2 = CFG_BR2_PRELIM;
+
+    memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */
+
+    udelay(200);
+
+    /* perform SDRAM initializsation sequence */
+
+    memctl->memc_mcr  = 0x80004105;	/* SDRAM bank 0 */
+    udelay(1);
+    memctl->memc_mcr  = 0x80004230;	/* SDRAM bank 0 - execute twice */
+    udelay(1);
+
+    memctl->memc_mcr  = 0x80004105;	/* SDRAM precharge */
+    udelay(1);
+    memctl->memc_mcr  = 0x80004030;	/* SDRAM 16x autorefresh */
+    udelay(1);
+    memctl->memc_mcr  = 0x80004138;	/* SDRAM upload parameters */
+    udelay(1);
+
+    memctl->memc_mamr |= MAMR_PTAE;	/* enable refresh */
+
+    udelay (1000);
+
+    /*
+     * Check Bank 0 Memory Size for re-configuration
+     *
+     */
+    size = dram_size (CFG_MAMR, (ulong *)SDRAM_BASE_PRELIM, SDRAM_MAX_SIZE);
+
+    udelay (1000);
+
+
+    memctl->memc_mamr = CFG_MAMR;
+    udelay (1000);
+
+    /*
+     * Final mapping
+     */
+    memctl->memc_or2 = ((-size) & 0xFFFF0000) | CFG_OR2_PRELIM;
+    memctl->memc_br2 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V);
+
+    udelay(10000);
+
+    /* prepare pin multiplexing for fast ethernet */
+
+    atmLoad();
+    fecp->fec_ecntrl = 0x00000004;  /* rev D3 pinmux SET */
+    iop->iop_pdpar |= 0x0080; /* set pin as MII_clock */
+
+
+    return (size);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check memory range for valid RAM. A simple memory test determines
+ * the actually available RAM size between addresses `base' and
+ * `base + maxsize'. Some (not all) hardware errors are detected:
+ * - short between address lines
+ * - short between data lines
+ */
+
+static long int dram_size (long int mamr_value, long int *base, long int maxsize)
+{
+    volatile immap_t     *immap  = (immap_t *)CFG_IMMR;
+    volatile memctl8xx_t *memctl = &immap->im_memctl;
+    volatile long int	 *addr;
+    ulong		  cnt, val;
+    ulong		  save[32];	/* to make test non-destructive */
+    unsigned char	  i = 0;
+
+    memctl->memc_mamr = mamr_value;
+
+    for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) {
+	addr = base + cnt;	/* pointer arith! */
+
+	save[i++] = *addr;
+	*addr = ~cnt;
+    }
+
+    /* write 0 to base address */
+    addr = base;
+    save[i] = *addr;
+    *addr = 0;
+
+    /* check at base address */
+    if ((val = *addr) != 0) {
+	*addr = save[i];
+	return (0);
+    }
+
+    for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
+	addr = base + cnt;	/* pointer arith! */
+
+	val = *addr;
+	*addr = save[--i];
+
+	if (val != (~cnt)) {
+	    return (cnt * sizeof(long));
+	}
+    }
+    return (maxsize);
+}
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+    return (0);
+}
+
+void board_serial_init(void)
+{
+  ;/* nothing to do here */
+}
+
+void board_ether_init(void)
+{
+    volatile immap_t       *immap  = (immap_t *)CFG_IMMR;
+    volatile iop8xx_t      *iop    = &immap->im_ioport;
+    volatile fec_t         *fecp   = &immap->im_cpm.cp_fec;
+
+  atmLoad();
+  fecp->fec_ecntrl = 0x00000004;  /* rev D3 pinmux SET */
+  iop->iop_pdpar |= 0x0080; /* set pin as MII_clock */
+}
+
+int board_pre_init (void)
+{
+    volatile immap_t       *immap  = (immap_t *)CFG_IMMR;
+    volatile cpmtimer8xx_t *timers = &immap->im_cpmtimer;
+    volatile memctl8xx_t   *memctl = &immap->im_memctl;
+    volatile iop8xx_t      *iop    = &immap->im_ioport;
+
+  /* configure the LED timing output pins - port A pin 4 */
+    iop->iop_papar = 0x0800;
+    iop->iop_padir = 0x0800;
+
+  /* start timer 2 for the 4hz LED blink rate */
+    timers->cpmt_tmr2 = 0xff2c;     /* 4hz for 64mhz */
+    timers->cpmt_trr2 = 0x000003d0; /* clk/16 , prescale=256 */
+    timers->cpmt_tgcr = 0x00000810; /* run timer 2 */
+
+  /* chip select for PLD access */
+    memctl->memc_br6  = 0x10000401;
+    memctl->memc_or6  = 0xFC000908;
+
+  /* PLD initial values ( set LEDs, remove reset on LXT) */
+
+    *PLD_GCR1_REG = 0x06;
+    *PLD_EXT_RES  = 0xC0;
+    *PLD_EXT_FETH = 0x40;
+    *PLD_EXT_LED  = 0xFF;
+    *PLD_EXT_X21  = 0x04;
+    return 0;
+}
+
+void board_get_enetaddr (uchar *addr)
+{
+    int i;
+    volatile immap_t     *immap  = (immap_t *)CFG_IMMR;
+    volatile cpm8xx_t	 *cpm    = &immap->im_cpm;
+    unsigned int rccrtmp;
+
+    char default_mac_addr[] = {0x00, 0x08, 0x01, 0x02, 0x03, 0x04};
+
+    for (i=0; i<6; i++)
+      addr[i] = default_mac_addr[i];
+
+    printf("There is an error in the i2c driver .. /n");
+    printf("You need to fix it first....../n");
+
+    rccrtmp = cpm->cp_rccr;
+    cpm->cp_rccr |= 0x0020;
+
+    i2c_reg_read(0xa0, 0);
+    printf ("seep = '-%c-%c-%c-%c-%c-%c-'\n",
+     i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0),
+     i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0) );
+
+    cpm->cp_rccr = rccrtmp;
+
+
+}

board/siemens/SCM/scm.c

@@ -0,0 +1,573 @@
+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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>
+#include <ioports.h>
+#include <mpc8260.h>
+
+#include "scm.h"
+
+static void config_scoh_cs(void);
+extern int  fpga_init(void);
+
+#if 0
+#define DEBUGF(fmt,args...)   printf (fmt ,##args)
+#else
+#define DEBUGF(fmt,args...)
+#endif
+
+/*
+ * I/O Port configuration table
+ *
+ * if conf is 1, then that port pin will be configured at boot time
+ * according to the five values podr/pdir/ppar/psor/pdat for that entry
+ */
+
+const iop_conf_t iop_conf_tab[4][32] = {
+
+    /* Port A configuration */
+    {	/*	      conf ppar psor pdir podr pdat */
+	/* PA31 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 MII COL */
+	/* PA30 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 MII CRS */
+	/* PA29 */ {   1,   1,   1,   1,   0,   0   }, /* FCC1 MII TX_ER */
+	/* PA28 */ {   1,   1,   1,   1,   0,   0   }, /* FCC1 MII TX_EN */
+	/* PA27 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 MII RX_DV */
+	/* PA26 */ {   1,   1,   1,   0,   0,   0   }, /* FCC1 MII RX_ER */
+	/* PA25 */ {   0,   0,   0,   1,   0,   0   },
+	/* PA24 */ {   0,   0,   0,   1,   0,   0   },
+	/* PA23 */ {   0,   0,   0,   1,   0,   0   },
+	/* PA22 */ {   0,   0,   0,   1,   0,   0   },
+	/* PA21 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 MII TxD[3] */
+	/* PA20 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 MII TxD[2] */
+	/* PA19 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 MII TxD[1] */
+	/* PA18 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 MII TxD[0] */
+	/* PA17 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[0] */
+	/* PA16 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[1]*/
+	/* PA15 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[2] */
+	/* PA14 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RxD[3] */
+	/* PA13 */ {   0,   0,   0,   1,   0,   0   },
+	/* PA12 */ {   0,   0,   0,   1,   0,   0   },
+	/* PA11 */ {   0,   0,   0,   1,   0,   0   },
+	/* PA10 */ {   0,   0,   0,   1,   0,   0   },
+	/* PA9  */ {   1,   1,   1,   1,   0,   0   }, /* TDM_A1 L1TXD0 */
+	/* PA8  */ {   1,   1,   1,   0,   0,   0   }, /* TDM_A1 L1RXD0 */
+	/* PA7  */ {   1,   1,   1,   0,   0,   0   }, /* TDM_A1 L1TSYNC */
+	/* PA6  */ {   1,   1,   1,   0,   0,   0   }, /* TDM_A1 L1RSYNC */
+	/* PA5  */ {   1,   0,   0,   0,   0,   0   }, /* FIOX_FPGA_PR */
+	/* PA4  */ {   1,   0,   0,   0,   0,   0   }, /* DOHM_FPGA_PR */
+	/* PA3  */ {   1,   1,   0,   0,   0,   0   }, /* TDM RXCLK4 */
+	/* PA2  */ {   1,   1,   0,   0,   0,   0   }, /* TDM TXCLK4 */
+	/* PA1  */ {   0,   0,   0,   1,   0,   0   },
+	/* PA0  */ {   1,   0,   0,   0,   0,   0   }  /* BUSY */
+    },
+
+    /* Port B configuration */
+    {   /*	      conf ppar psor pdir podr pdat */
+	/* PB31 */ {   1,   0,   0,   1,   0,   0   }, /* EQ_ALARM_MIN */
+	/* PB30 */ {   1,   0,   0,   1,   0,   0   }, /* EQ_ALARM_MAJ */
+	/* PB29 */ {   1,   0,   0,   1,   0,   0   }, /* COM_ALARM_MIN */
+	/* PB28 */ {   1,   0,   0,   1,   0,   0   }, /* COM_ALARM_MAJ */
+	/* PB27 */ {   0,   1,   0,   0,   0,   0   },
+	/* PB26 */ {   0,   1,   0,   0,   0,   0   },
+	/* PB25 */ {   1,   0,   0,   1,   0,   0   }, /* LED_GREEN_L */
+	/* PB24 */ {   1,   0,   0,   1,   0,   0   }, /* LED_RED_L */
+	/* PB23 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_D2 L1TXD */
+	/* PB22 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_D2 L1RXD */
+	/* PB21 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_D2 L1TSYNC */
+	/* PB20 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_D2 L1RSYNC */
+	/* PB19 */ {   1,   0,   0,   0,   0,   0   }, /* UID */
+	/* PB18 */ {   0,   1,   0,   0,   0,   0   },
+        /* PB17 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RX_DV */
+        /* PB16 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RX_ER */
+        /* PB15 */ {   1,   1,   0,   1,   0,   0   }, /* FCC3 MII TX_ER */
+        /* PB14 */ {   1,   1,   0,   1,   0,   0   }, /* FCC3 MII TX_EN */
+        /* PB13 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII COL */
+        /* PB12 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII CRS */
+        /* PB11 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RxD[3] */
+        /* PB10 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RxD[2] */
+        /* PB9  */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RxD[1] */
+        /* PB8  */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RxD[0] */
+        /* PB7  */ {   1,   1,   0,   1,   0,   0   }, /* FCC3 MII TxD[3] */
+        /* PB6  */ {   1,   1,   0,   1,   0,   0   }, /* FCC3 MII TxD[2] */
+        /* PB5  */ {   1,   1,   0,   1,   0,   0   }, /* FCC3 MII TxD[1] */
+        /* PB4  */ {   1,   1,   0,   1,   0,   0   }, /* FCC3 MII TxD[0] */
+	/* PB3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PB2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PB1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PB0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */
+    },
+
+    /* Port C configuration */
+    {   /*	      conf ppar psor pdir podr pdat */
+	/* PC31 */ {   1,   1,   0,   0,   0,   0   }, /* TDM RXCLK1 */
+	/* PC30 */ {   1,   1,   0,   0,   0,   0   }, /* TDM TXCLK1 */
+	/* PC29 */ {   1,   1,   0,   0,   0,   0   }, /* TDM RXCLK3 */
+	/* PC28 */ {   1,   1,   0,   0,   0,   0   }, /* TDM TXCLK3 */
+	/* PC27 */ {   1,   1,   0,   0,   0,   0   }, /* TDM RXCLK2 */
+	/* PC26 */ {   1,   1,   0,   0,   0,   0   }, /* TDM TXCLK2 */
+	/* PC25 */ {   0,   0,   0,   1,   0,   0   },
+	/* PC24 */ {   0,   0,   0,   1,   0,   0   },
+	/* PC23 */ {   0,   1,   0,   1,   0,   0   },
+	/* PC22 */ {   0,   1,   0,   0,   0,   0   },
+	/* PC21 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII TX_CLK */
+	/* PC20 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 MII RX_CLK */
+	/* PC19 */ {   0,   1,   0,   0,   0,   0   },
+	/* PC18 */ {   0,   1,   0,   0,   0,   0   },
+        /* PC17 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII RX_CLK */
+        /* PC16 */ {   1,   1,   0,   0,   0,   0   }, /* FCC3 MII TX_CLK */
+	/* PC15 */ {   0,   0,   0,   1,   0,   0   },
+	/* PC14 */ {   0,   1,   0,   0,   0,   0   },
+	/* PC13 */ {   0,   0,   0,   1,   0,   0   }, /* RES_PHY_L */
+	/* PC12 */ {   0,   0,   0,   1,   0,   0   },
+	/* PC11 */ {   0,   0,   0,   1,   0,   0   },
+	/* PC10 */ {   0,   0,   0,   1,   0,   0   },
+	/* PC9  */ {   0,   1,   1,   0,   0,   0   }, /* TDM_A2 L1TSYNC */
+	/* PC8  */ {   0,   0,   0,   0,   0,   0   }, /* FEP_RDY */
+	/* PC7  */ {   0,   0,   0,   0,   0,   0   },
+	/* PC6  */ {   0,   0,   0,   0,   0,   0   }, /* UC4_ALARM_L */
+	/* PC5  */ {   0,   0,   0,   0,   0,   0   }, /* UC3_ALARM_L */
+	/* PC4  */ {   0,   0,   0,   0,   0,   0   }, /* UC2_ALARM_L */
+	/* PC3  */ {   0,   0,   0,   1,   0,   0   }, /* RES_MISC_L */
+	/* PC2  */ {   0,   0,   0,   1,   0,   0   }, /* RES_OH_L */
+	/* PC1  */ {   0,   0,   0,   1,   0,   0   }, /* RES_DOHM_L */
+	/* PC0  */ {   0,   0,   0,   1,   0,   0   }, /* RES_FIOX_L */
+    },
+
+    /* Port D configuration */
+    {   /*	      conf ppar psor pdir podr pdat */
+	/* PD31 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN RxD */
+	/* PD30 */ {   1,   1,   1,   1,   0,   0   }, /* SCC1 EN TxD */
+	/* PD29 */ {   0,   0,   0,   0,   0,   0   }, /* INIT_F */
+	/* PD28 */ {   0,   0,   0,   1,   0,   0   }, /* DONE_F */
+	/* PD27 */ {   0,   0,   0,   0,   0,   0   }, /* INIT_D */
+	/* PD26 */ {   0,   0,   0,   1,   0,   0   }, /* DONE_D */
+	/* PD25 */ {   0,   0,   0,   1,   0,   0   },
+	/* PD24 */ {   0,   0,   0,   1,   0,   0   },
+	/* PD23 */ {   0,   0,   0,   1,   0,   0   },
+	/* PD22 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_A2 L1TXD */
+	/* PD21 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_A2 L1RXD */
+	/* PD20 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_A2 L1RSYNC */
+	/* PD19 */ {   1,   1,   1,   0,   0,   0   }, /* SPI SPISEL */
+	/* PD18 */ {   1,   1,   1,   0,   0,   0   }, /* SPI SPICLK */
+	/* PD17 */ {   1,   1,   1,   0,   0,   0   }, /* SPI SPIMOSI */
+	/* PD16 */ {   1,   1,   1,   0,   0,   0   }, /* SPI SPIMOSO */
+#if defined(CONFIG_SOFT_I2C)
+	/* PD15 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SDA */
+	/* PD14 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SCL */
+#else
+#if defined(CONFIG_HARD_I2C)
+	/* PD15 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SDA */
+	/* PD14 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SCL */
+#else /* normal I/O port pins */
+	/* PD15 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SDA */
+	/* PD14 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SCL */
+#endif
+#endif
+	/* PD13 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_B1 L1TXD */
+	/* PD12 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_B1 L1RXD */
+	/* PD11 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_B1 L1TSYNC */
+	/* PD10 */ {   1,   1,   1,   0,   0,   0   }, /* TDM_B1 L1RSYNC */
+	/* PD9  */ {   1,   1,   0,   1,   0,   0   }, /* SMC1 TXD */
+	/* PD8  */ {   1,   1,   0,   0,   0,   0   }, /* SMC1 RXD */
+	/* PD7  */ {   0,   0,   0,   1,   0,   1   },
+	/* PD6  */ {   0,   0,   0,   1,   0,   1   },
+	/* PD5  */ {   0,   0,   0,   1,   0,   0   }, /* PROG_F */
+	/* PD4  */ {   0,   0,   0,   1,   0,   0   }, /* PROG_D */
+	/* PD3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PD2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PD1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PD0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */
+    }
+};
+
+/* ------------------------------------------------------------------------- */
+
+/* Check Board Identity:
+ */
+int checkboard (void)
+{
+	unsigned char str[64];
+	int i = getenv_r ("serial#", str, sizeof (str));
+
+	puts ("Board: ");
+
+	if (!i || strncmp (str, "TQM8260", 7)) {
+		puts ("### No HW ID - assuming TQM8260\n");
+		return (0);
+	}
+
+	puts (str);
+	putc ('\n');
+
+	return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx
+ *
+ * This routine performs standard 8260 initialization sequence
+ * and calculates the available memory size. It may be called
+ * several times to try different SDRAM configurations on both
+ * 60x and local buses.
+ */
+static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
+						  ulong orx, volatile uchar * base)
+{
+	volatile uchar c = 0xff;
+	ulong cnt, val;
+	volatile ulong *addr;
+	volatile uint *sdmr_ptr;
+	volatile uint *orx_ptr;
+	int i;
+	ulong save[32];				/* to make test non-destructive */
+	ulong maxsize;
+
+	/* We must be able to test a location outsize the maximum legal size
+	 * to find out THAT we are outside; but this address still has to be
+	 * mapped by the controller. That means, that the initial mapping has
+	 * to be (at least) twice as large as the maximum expected size.
+	 */
+	maxsize = (1 + (~orx | 0x7fff)) / 2;
+
+	/* Since CFG_SDRAM_BASE is always 0 (??), we assume that
+	 * we are configuring CS1 if base != 0
+	 */
+	sdmr_ptr = base ? &memctl->memc_lsdmr : &memctl->memc_psdmr;
+	orx_ptr = base ? &memctl->memc_or2 : &memctl->memc_or1;
+
+	*orx_ptr = orx;
+
+	/*
+	 * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):
+	 *
+	 * "At system reset, initialization software must set up the
+	 *  programmable parameters in the memory controller banks registers
+	 *  (ORx, BRx, P/LSDMR). After all memory parameters are configured,
+	 *  system software should execute the following initialization sequence
+	 *  for each SDRAM device.
+	 *
+	 *  1. Issue a PRECHARGE-ALL-BANKS command
+	 *  2. Issue eight CBR REFRESH commands
+	 *  3. Issue a MODE-SET command to initialize the mode register
+	 *
+	 *  The initial commands are executed by setting P/LSDMR[OP] and
+	 *  accessing the SDRAM with a single-byte transaction."
+	 *
+	 * The appropriate BRx/ORx registers have already been set when we
+	 * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE.
+	 */
+
+	*sdmr_ptr = sdmr | PSDMR_OP_PREA;
+	*base = c;
+
+	*sdmr_ptr = sdmr | PSDMR_OP_CBRR;
+	for (i = 0; i < 8; i++)
+		*base = c;
+
+	*sdmr_ptr = sdmr | PSDMR_OP_MRW;
+	*(base + CFG_MRS_OFFS) = c;	/* setting MR on address lines */
+
+	*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
+	*base = c;
+
+	/*
+	 * Check memory range for valid RAM. A simple memory test determines
+	 * the actually available RAM size between addresses `base' and
+	 * `base + maxsize'. Some (not all) hardware errors are detected:
+	 * - short between address lines
+	 * - short between data lines
+	 */
+	i = 0;
+	for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
+		addr = (volatile ulong *) base + cnt;	/* pointer arith! */
+		save[i++] = *addr;
+		*addr = ~cnt;
+	}
+
+	addr = (volatile ulong *) base;
+	save[i] = *addr;
+	*addr = 0;
+
+	if ((val = *addr) != 0) {
+		*addr = save[i];
+		return (0);
+	}
+
+	for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
+		addr = (volatile ulong *) base + cnt;	/* pointer arith! */
+		val = *addr;
+		*addr = save[--i];
+		if (val != ~cnt) {
+			/* Write the actual size to ORx
+			 */
+			*orx_ptr = orx | ~(cnt * sizeof (long) - 1);
+			return (cnt * sizeof (long));
+		}
+	}
+	return (maxsize);
+}
+
+/*
+ * Test Power-On-Reset.
+ */
+int power_on_reset (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/* Test Reset Status Register */
+	return gd->reset_status & RSR_CSRS ? 0 : 1;
+}
+
+long int initdram (int board_type)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8260_t *memctl = &immap->im_memctl;
+
+#ifndef CFG_RAMBOOT
+	long size8, size9;
+#endif
+	long psize, lsize;
+
+	psize = 16 * 1024 * 1024;
+	lsize = 0;
+
+	memctl->memc_psrt = CFG_PSRT;
+	memctl->memc_mptpr = CFG_MPTPR;
+
+#if 0							/* Just for debugging */
+#define	prt_br_or(brX,orX) do {				\
+    ulong start =  memctl->memc_ ## brX & 0xFFFF8000;	\
+    ulong sizem = ~memctl->memc_ ## orX | 0x00007FFF;	\
+    printf ("\n"					\
+    	    #brX " 0x%08x  " #orX " 0x%08x "		\
+	    "==> 0x%08lx ... 0x%08lx = %ld MB\n",	\
+	memctl->memc_ ## brX, memctl->memc_ ## orX,	\
+	start, start+sizem, (sizem+1)>>20);		\
+    } while (0)
+	prt_br_or (br0, or0);
+	prt_br_or (br1, or1);
+	prt_br_or (br2, or2);
+	prt_br_or (br3, or3);
+#endif
+
+#ifndef CFG_RAMBOOT
+	/* 60x SDRAM setup:
+	 */
+	size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL,
+					  (uchar *) CFG_SDRAM_BASE);
+	size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR1_9COL,
+					  (uchar *) CFG_SDRAM_BASE);
+
+	if (size8 < size9) {
+		psize = size9;
+		printf ("(60x:9COL - %ld MB, ", psize >> 20);
+	} else {
+		psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL,
+						  (uchar *) CFG_SDRAM_BASE);
+		printf ("(60x:8COL - %ld MB, ", psize >> 20);
+	}
+
+	/* Local SDRAM setup:
+	 */
+#ifdef CFG_INIT_LOCAL_SDRAM
+	memctl->memc_lsrt = CFG_LSRT;
+	size8 = try_init (memctl, CFG_LSDMR_8COL, CFG_OR2_8COL,
+					  (uchar *) SDRAM_BASE2_PRELIM);
+	size9 = try_init (memctl, CFG_LSDMR_9COL, CFG_OR2_9COL,
+					  (uchar *) SDRAM_BASE2_PRELIM);
+
+	if (size8 < size9) {
+		lsize = size9;
+		printf ("Local:9COL - %ld MB) using ", lsize >> 20);
+	} else {
+		lsize = try_init (memctl, CFG_LSDMR_8COL, CFG_OR2_8COL,
+						  (uchar *) SDRAM_BASE2_PRELIM);
+		printf ("Local:8COL - %ld MB) using ", lsize >> 20);
+	}
+
+#if 0
+	/* Set up BR2 so that the local SDRAM goes
+	 * right after the 60x SDRAM
+	 */
+	memctl->memc_br2 = (CFG_BR2_PRELIM & ~BRx_BA_MSK) |
+			(CFG_SDRAM_BASE + psize);
+#endif
+#endif /* CFG_INIT_LOCAL_SDRAM */
+#endif /* CFG_RAMBOOT */
+
+	icache_enable ();
+
+	config_scoh_cs ();
+
+	return (psize);
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void config_scoh_cs (void)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	volatile memctl8260_t *memctl = &immr->im_memctl;
+	volatile can_reg_t *can = (volatile can_reg_t *) CFG_CAN0_BASE;
+	volatile uint tmp, i;
+
+	/* Initialize OR3 / BR3 for CAN Bus Controller 0 */
+	memctl->memc_or3 = CFG_CAN0_OR3;
+	memctl->memc_br3 = CFG_CAN0_BR3;
+	/* Initialize OR4 / BR4 for CAN Bus Controller 1 */
+	memctl->memc_or4 = CFG_CAN1_OR4;
+	memctl->memc_br4 = CFG_CAN1_BR4;
+
+	/* Initialize MAMR to write in the array at address 0x0 */
+	memctl->memc_mamr = 0x00 | MxMR_OP_WARR | MxMR_GPL_x4DIS;
+
+	/* Initialize UPMA for CAN: single read */
+	memctl->memc_mdr = 0xcffeec00;
+	udelay (1);					/* Necessary to have the data correct in the UPM array!!!! */
+	/* The read on the CAN controller write the data of mdr in UPMA array. */
+	/* The index to the array will be incremented automatically
+	   through this read */
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x0ffcec00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x0ffcec00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x0ffcec00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x0ffcec00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x0ffcfc00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x0ffcfc00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0xfffdec07;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+
+	/* Initialize MAMR to write in the array at address 0x18 */
+	memctl->memc_mamr = 0x18 | MxMR_OP_WARR | MxMR_GPL_x4DIS;
+
+	/* Initialize UPMA for CAN: single write */
+	memctl->memc_mdr = 0xfcffec00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x00ffec00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x00ffec00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x00ffec00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x00ffec00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x00fffc00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x00fffc00;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	memctl->memc_mdr = 0x30ffec07;
+	udelay (1);
+	tmp = can->cpu_interface;
+
+	/* Initialize MAMR */
+	memctl->memc_mamr = MxMR_GPL_x4DIS;	/* GPL_B4 ouput line Disable */
+
+
+	/* Initialize OR5 / BR5 for the extended EEPROM Bank0 */
+	memctl->memc_or5 = CFG_EXTPROM_OR5;
+	memctl->memc_br5 = CFG_EXTPROM_BR5;
+	/* Initialize OR6 / BR6 for the extended EEPROM Bank1 */
+	memctl->memc_or6 = CFG_EXTPROM_OR6;
+	memctl->memc_br6 = CFG_EXTPROM_BR6;
+
+	/* Initialize OR7 / BR7 for the Glue Logic */
+	memctl->memc_or7 = CFG_FIOX_OR7;
+	memctl->memc_br7 = CFG_FIOX_BR7;
+
+	/* Initialize OR8 / BR8 for the DOH Logic */
+	memctl->memc_or8 = CFG_FDOHM_OR8;
+	memctl->memc_br8 = CFG_FDOHM_BR8;
+
+	DEBUGF ("OR0 %08x   BR0 %08x\n", memctl->memc_or0, memctl->memc_br0);
+	DEBUGF ("OR1 %08x   BR1 %08x\n", memctl->memc_or1, memctl->memc_br1);
+	DEBUGF ("OR2 %08x   BR2 %08x\n", memctl->memc_or2, memctl->memc_br2);
+	DEBUGF ("OR3 %08x   BR3 %08x\n", memctl->memc_or3, memctl->memc_br3);
+	DEBUGF ("OR4 %08x   BR4 %08x\n", memctl->memc_or4, memctl->memc_br4);
+	DEBUGF ("OR5 %08x   BR5 %08x\n", memctl->memc_or5, memctl->memc_br5);
+	DEBUGF ("OR6 %08x   BR6 %08x\n", memctl->memc_or6, memctl->memc_br6);
+	DEBUGF ("OR7 %08x   BR7 %08x\n", memctl->memc_or7, memctl->memc_br7);
+	DEBUGF ("OR8 %08x   BR8 %08x\n", memctl->memc_or8, memctl->memc_br8);
+
+	DEBUGF ("UPMA  addr 0x0\n");
+	memctl->memc_mamr = 0x00 | MxMR_OP_RARR | MxMR_GPL_x4DIS;
+	for (i = 0; i < 0x8; i++) {
+		tmp = can->cpu_interface;
+		udelay (1);
+		DEBUGF (" %08x ", memctl->memc_mdr);
+	}
+	DEBUGF ("\nUPMA  addr 0x18\n");
+	memctl->memc_mamr = 0x18 | MxMR_OP_RARR | MxMR_GPL_x4DIS;
+	for (i = 0; i < 0x8; i++) {
+		tmp = can->cpu_interface;
+		udelay (1);
+		DEBUGF (" %08x ", memctl->memc_mdr);
+	}
+	DEBUGF ("\n");
+	memctl->memc_mamr = MxMR_GPL_x4DIS;
+}
+
+/* ------------------------------------------------------------------------- */
+
+int misc_init_r (void)
+{
+	fpga_init ();
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */

board/siemens/pcu_e/pcu_e.c

@@ -0,0 +1,589 @@
+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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>
+#include <mpc8xx.h>
+#include <commproc.h>
+#include <i2c.h>
+#include <command.h>
+#include <cmd_bsp.h>
+
+/* ------------------------------------------------------------------------- */
+
+static long int dram_size (long int, long int *, long int);
+static void puma_status (void);
+static void puma_set_mode (int mode);
+static int  puma_init_done (void);
+static void puma_load (ulong addr, ulong len);
+
+/* ------------------------------------------------------------------------- */
+
+#define	_NOT_USED_	0xFFFFFFFF
+
+/*
+ * 50 MHz SDRAM access using UPM A
+ */
+const uint sdram_table[] =
+{
+	/*
+	 * Single Read. (Offset 0 in UPM RAM)
+	 */
+	0x1f0dfc04, 0xeeafbc04, 0x11af7c04, 0xefbeec00,
+	0x1ffddc47, /* last */
+	/*
+	 * SDRAM Initialization (offset 5 in UPM RAM)
+	 *
+         * This is no UPM entry point. The following definition uses
+         * the remaining space to establish an initialization
+         * sequence, which is executed by a RUN command.
+	 *
+	 */
+		    0x1ffddc35, 0xefceac34, 0x1f3d5c35, /* last */
+	/*
+	 * Burst Read. (Offset 8 in UPM RAM)
+	 */
+	0x1f0dfc04, 0xeeafbc04, 0x10af7c04, 0xf0affc00,
+	0xf0affc00, 0xf1affc00, 0xefbeec00, 0x1ffddc47, /* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+
+	/*
+	 * Single Write. (Offset 18 in UPM RAM)
+	 */
+	0x1f0dfc04, 0xeeafac00, 0x01be4c04, 0x1ffddc47, /* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Burst Write. (Offset 20 in UPM RAM)
+	 */
+	0x1f0dfc04, 0xeeafac00, 0x10af5c00, 0xf0affc00,
+	0xf0affc00, 0xe1beec04, 0x1ffddc47, /* last */
+					    _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Refresh  (Offset 30 in UPM RAM)
+	 */
+	0x1ffd7c84, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+	0xfffffc84, 0xfffffc07, /* last */
+				_NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Exception. (Offset 3c in UPM RAM)
+	 */
+	0x7ffffc07, /* last */
+		    _NOT_USED_, _NOT_USED_, _NOT_USED_,
+};
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * PUMA access using UPM B
+ */
+const uint puma_table[] =
+{
+	/*
+	 * Single Read. (Offset 0 in UPM RAM)
+	 */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_,
+	/*
+	 * Precharge and MRS
+	 */
+		    _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Burst Read. (Offset 8 in UPM RAM)
+	 */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Single Write. (Offset 18 in UPM RAM)
+	 */
+	0x0ffff804, 0x0ffff400, 0x3ffffc47, /* last */
+					    _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Burst Write. (Offset 20 in UPM RAM)
+	 */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Refresh  (Offset 30 in UPM RAM)
+	 */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Exception. (Offset 3c in UPM RAM)
+	 */
+	0x7ffffc07, /* last */
+		    _NOT_USED_, _NOT_USED_, _NOT_USED_,
+};
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Check Board Identity:
+ *
+ */
+
+int checkboard (void)
+{
+	puts ("Board: Siemens PCU E\n");
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int
+initdram (int board_type)
+{
+    volatile immap_t     *immr  = (immap_t *)CFG_IMMR;
+    volatile memctl8xx_t *memctl = &immr->im_memctl;
+    long int size_b0, reg;
+    int i;
+
+    /*
+     * Configure UPMA for SDRAM
+     */
+    upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
+
+    memctl->memc_mptpr = CFG_MPTPR;
+
+    /* burst length=4, burst type=sequential, CAS latency=2 */
+    memctl->memc_mar = 0x00000088;
+
+    /*
+     * Map controller bank 2 to the SDRAM bank at preliminary address.
+     */
+#if PCU_E_WITH_SWAPPED_CS	/* XXX */
+    memctl->memc_or5 = CFG_OR5_PRELIM;
+    memctl->memc_br5 = CFG_BR5_PRELIM;
+#else	/* XXX */
+    memctl->memc_or2 = CFG_OR2_PRELIM;
+    memctl->memc_br2 = CFG_BR2_PRELIM;
+#endif	/* XXX */
+
+    /* initialize memory address register */
+    memctl->memc_mamr = CFG_MAMR;	/* refresh not enabled yet */
+
+    /* mode initialization (offset 5) */
+#if PCU_E_WITH_SWAPPED_CS	/* XXX */
+    udelay(200);	/* 0x8000A105 */
+    memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS5 | MCR_MLCF(1) | MCR_MAD(0x05);
+#else	/* XXX */
+    udelay(200);	/* 0x80004105 */
+    memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS2 | MCR_MLCF(1) | MCR_MAD(0x05);
+#endif	/* XXX */
+
+    /* run 2 refresh sequence with 4-beat refresh burst (offset 0x30) */
+#if PCU_E_WITH_SWAPPED_CS	/* XXX */
+    udelay(1);		/* 0x8000A830 */
+    memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS5 | MCR_MLCF(8) | MCR_MAD(0x30);
+#else	/* XXX */
+    udelay(1);		/* 0x80004830 */
+    memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS2 | MCR_MLCF(8) | MCR_MAD(0x30);
+#endif	/* XXX */
+
+#if PCU_E_WITH_SWAPPED_CS	/* XXX */
+    udelay(1);		/* 0x8000A106 */
+    memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS5 | MCR_MLCF(1) | MCR_MAD(0x06);
+#else	/* XXX */
+    udelay(1);		/* 0x80004106 */
+    memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS2 | MCR_MLCF(1) | MCR_MAD(0x06);
+#endif	/* XXX */
+
+    reg  =  memctl->memc_mamr;
+    reg &= ~MAMR_TLFB_MSK;		/* switch timer loop ... */
+    reg |=  MAMR_TLFB_4X;		/* ... to 4x */
+    reg |=  MAMR_PTBE;			/* enable refresh */
+    memctl->memc_mamr = reg;
+
+    udelay(200);
+
+    /* Need at least 10 DRAM accesses to stabilize */
+    for (i=0; i<10; ++i) {
+#if PCU_E_WITH_SWAPPED_CS	/* XXX */
+	volatile unsigned long *addr = (volatile unsigned long *)SDRAM_BASE5_PRELIM;
+#else	/* XXX */
+	volatile unsigned long *addr = (volatile unsigned long *)SDRAM_BASE2_PRELIM;
+#endif	/* XXX */
+	unsigned long val;
+
+	val = *(addr + i);
+	*(addr + i) = val;
+    }
+
+    /*
+     * Check Bank 0 Memory Size for re-configuration
+     */
+#if PCU_E_WITH_SWAPPED_CS	/* XXX */
+    size_b0 = dram_size (CFG_MAMR, (ulong *)SDRAM_BASE5_PRELIM, SDRAM_MAX_SIZE);
+#else	/* XXX */
+    size_b0 = dram_size (CFG_MAMR, (ulong *)SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE);
+#endif	/* XXX */
+
+    memctl->memc_mamr = CFG_MAMR | MAMR_PTBE;
+
+    /*
+     * Final mapping:
+     */
+
+#if PCU_E_WITH_SWAPPED_CS	/* XXX */
+    memctl->memc_or5 = ((-size_b0) & 0xFFFF0000) | SDRAM_TIMING;
+    memctl->memc_br5 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
+#else	/* XXX */
+    memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | SDRAM_TIMING;
+    memctl->memc_br2 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
+#endif	/* XXX */
+    udelay(1000);
+
+    /*
+     * Configure UPMB for PUMA
+     */
+    upmconfig(UPMB, (uint *)puma_table, sizeof(puma_table)/sizeof(uint));
+
+    return (size_b0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check memory range for valid RAM. A simple memory test determines
+ * the actually available RAM size between addresses `base' and
+ * `base + maxsize'. Some (not all) hardware errors are detected:
+ * - short between address lines
+ * - short between data lines
+ */
+
+static long int dram_size (long int mamr_value, long int *base, long int maxsize)
+{
+    volatile immap_t     *immr  = (immap_t *)CFG_IMMR;
+    volatile memctl8xx_t *memctl = &immr->im_memctl;
+    volatile long int	 *addr;
+    ulong		  cnt, val;
+    ulong		  save[32];	/* to make test non-destructive */
+    unsigned char	  i = 0;
+
+    memctl->memc_mamr = mamr_value;
+
+    for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) {
+	addr = base + cnt;	/* pointer arith! */
+
+	save[i++] = *addr;
+	*addr = ~cnt;
+    }
+
+    /* write 0 to base address */
+    addr = base;
+    save[i] = *addr;
+    *addr = 0;
+
+    /* check at base address */
+    if ((val = *addr) != 0) {
+	*addr = save[i];
+	return (0);
+    }
+
+    for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
+	addr = base + cnt;	/* pointer arith! */
+
+	val = *addr;
+	*addr = save[--i];
+
+	if (val != (~cnt)) {
+	    return (cnt * sizeof(long));
+	}
+    }
+    return (maxsize);
+}
+
+/* ------------------------------------------------------------------------- */
+
+#if PCU_E_WITH_SWAPPED_CS /* XXX */
+#define	ETH_CFG_BITS	(CFG_PB_ETH_CFG1 | CFG_PB_ETH_CFG2  | CFG_PB_ETH_CFG3 )
+#else /* XXX */
+#define	ETH_CFG_BITS	(CFG_PB_ETH_MDDIS | CFG_PB_ETH_CFG1 | \
+			 CFG_PB_ETH_CFG2  | CFG_PB_ETH_CFG3 )
+#endif /* XXX */
+
+#define ETH_ALL_BITS	(ETH_CFG_BITS | CFG_PB_ETH_POWERDOWN | CFG_PB_ETH_RESET)
+
+void	reset_phy(void)
+{
+	immap_t *immr = (immap_t *)CFG_IMMR;
+	ulong value;
+
+	/* Configure all needed port pins for GPIO */
+#if PCU_E_WITH_SWAPPED_CS /* XXX */
+# if CFG_ETH_MDDIS_VALUE
+	immr->im_ioport.iop_padat |=   CFG_PA_ETH_MDDIS;
+# else
+	immr->im_ioport.iop_padat &= ~(CFG_PA_ETH_MDDIS);	/* Set low */
+# endif
+	immr->im_ioport.iop_papar &= ~(CFG_PA_ETH_MDDIS);	/* GPIO */
+	immr->im_ioport.iop_paodr &= ~(CFG_PA_ETH_MDDIS);	/* active output */
+	immr->im_ioport.iop_padir |=   CFG_PA_ETH_MDDIS;	/* output */
+#endif /* XXX */
+	immr->im_cpm.cp_pbpar &= ~(ETH_ALL_BITS);	/* GPIO */
+	immr->im_cpm.cp_pbodr &= ~(ETH_ALL_BITS);	/* active output */
+
+	value  = immr->im_cpm.cp_pbdat;
+
+	/* Assert Powerdown and Reset signals */
+	value |=  CFG_PB_ETH_POWERDOWN;
+	value &= ~(CFG_PB_ETH_RESET);
+
+	/* PHY configuration includes MDDIS and CFG1 ... CFG3 */
+#if !PCU_E_WITH_SWAPPED_CS
+# if CFG_ETH_MDDIS_VALUE
+	value |=   CFG_PB_ETH_MDDIS;
+# else
+	value &= ~(CFG_PB_ETH_MDDIS);
+# endif
+#endif
+#if CFG_ETH_CFG1_VALUE
+	value |=   CFG_PB_ETH_CFG1;
+#else
+	value &= ~(CFG_PB_ETH_CFG1);
+#endif
+#if CFG_ETH_CFG2_VALUE
+	value |=   CFG_PB_ETH_CFG2;
+#else
+	value &= ~(CFG_PB_ETH_CFG2);
+#endif
+#if CFG_ETH_CFG3_VALUE
+	value |=   CFG_PB_ETH_CFG3;
+#else
+	value &= ~(CFG_PB_ETH_CFG3);
+#endif
+
+	/* Drive output signals to initial state */
+	immr->im_cpm.cp_pbdat  = value;
+	immr->im_cpm.cp_pbdir |= ETH_ALL_BITS;
+	udelay (10000);
+
+	/* De-assert Ethernet Powerdown */
+	immr->im_cpm.cp_pbdat &= ~(CFG_PB_ETH_POWERDOWN); /* Enable PHY power */
+	udelay (10000);
+
+	/* de-assert RESET signal of PHY */
+	immr->im_cpm.cp_pbdat |=   CFG_PB_ETH_RESET;
+	udelay (1000);
+}
+
+/*-----------------------------------------------------------------------
+ * Board Special Commands: access functions for "PUMA" FPGA
+ */
+#if (CONFIG_COMMANDS & CFG_CMD_BSP)
+
+#define	PUMA_READ_MODE	0
+#define PUMA_LOAD_MODE	1
+
+int do_puma (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	ulong addr, len;
+
+	switch (argc) {
+	case 2:			/* PUMA reset */
+		if (strncmp(argv[1], "stat", 4) == 0) {		/* Reset */
+			puma_status ();
+			return 0;
+		}
+		break;
+	case 4:			/* PUMA load addr len */
+		if (strcmp(argv[1],"load") != 0)
+			break;
+
+		addr = simple_strtoul(argv[2], NULL, 16);
+		len  = simple_strtoul(argv[3], NULL, 16);
+
+		printf ("PUMA load: addr %08lX len %ld (0x%lX):  ",
+			addr, len, len);
+		puma_load (addr, len);
+
+		return 0;
+	default:
+		break;
+	}
+	printf ("Usage:\n%s\n", cmdtp->usage);
+	return 1;
+}
+
+#endif	/* CFG_CMD_BSP */
+
+/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
+
+static void puma_set_mode (int mode)
+{
+	volatile immap_t     *immr  = (immap_t *)CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immr->im_memctl;
+
+	/* disable PUMA in memory controller */
+#if PCU_E_WITH_SWAPPED_CS	/* XXX */
+    memctl->memc_br3 = 0;
+#else	/* XXX */
+    memctl->memc_br4 = 0;
+#endif	/* XXX */
+
+	switch (mode) {
+	case PUMA_READ_MODE:
+#if PCU_E_WITH_SWAPPED_CS	/* XXX */
+		memctl->memc_or3 = PUMA_CONF_OR_READ;
+		memctl->memc_br3 = PUMA_CONF_BR_READ;
+#else	/* XXX */
+		memctl->memc_or4 = PUMA_CONF_OR_READ;
+		memctl->memc_br4 = PUMA_CONF_BR_READ;
+#endif	/* XXX */
+		break;
+	case PUMA_LOAD_MODE:
+#if PCU_E_WITH_SWAPPED_CS	/* XXX */
+		memctl->memc_or3 = PUMA_CONF_OR_LOAD;
+		memctl->memc_br3 = PUMA_CONF_BR_LOAD;
+#else	/* XXX */
+		memctl->memc_or4 = PUMA_CONF_OR_READ;
+		memctl->memc_br4 = PUMA_CONF_BR_READ;
+#endif	/* XXX */
+		break;
+	}
+}
+
+/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
+
+#define	PUMA_INIT_TIMEOUT	1000	/* max. 1000 ms = 1 second */
+
+static void puma_load (ulong addr, ulong len)
+{
+	volatile immap_t *immr = (immap_t *)CFG_IMMR;
+	volatile uchar *fpga_addr = (volatile uchar *)PUMA_CONF_BASE; /* XXX ??? */
+	uchar *data = (uchar *)addr;
+	int i;
+
+	/* align length */
+	if (len & 1)
+		++len;
+
+	/* Reset FPGA */
+	immr->im_ioport.iop_pcpar &= ~(CFG_PC_PUMA_INIT);	/* make input */
+	immr->im_ioport.iop_pcso  &= ~(CFG_PC_PUMA_INIT);
+	immr->im_ioport.iop_pcdir &= ~(CFG_PC_PUMA_INIT);
+
+#if PCU_E_WITH_SWAPPED_CS /* XXX */
+	immr->im_cpm.cp_pbpar &= ~(CFG_PB_PUMA_PROG);		/* GPIO */
+	immr->im_cpm.cp_pbodr &= ~(CFG_PB_PUMA_PROG);		/* active output */
+	immr->im_cpm.cp_pbdat &= ~(CFG_PB_PUMA_PROG);		/* Set low */
+	immr->im_cpm.cp_pbdir |=   CFG_PB_PUMA_PROG;		/* output */
+#else
+	immr->im_ioport.iop_papar &= ~(CFG_PA_PUMA_PROG);	/* GPIO */
+	immr->im_ioport.iop_padat &= ~(CFG_PA_PUMA_PROG);	/* Set low */
+	immr->im_ioport.iop_paodr &= ~(CFG_PA_PUMA_PROG);	/* active output */
+	immr->im_ioport.iop_padir |=   CFG_PA_PUMA_PROG;	/* output */
+#endif /* XXX */
+	udelay (100);
+
+#if PCU_E_WITH_SWAPPED_CS /* XXX */
+	immr->im_cpm.cp_pbdat |= CFG_PB_PUMA_PROG;		/* release reset */
+#else
+	immr->im_ioport.iop_padat |= CFG_PA_PUMA_PROG;		/* release reset */
+#endif /* XXX */
+
+	/* wait until INIT indicates completion of reset */
+	for (i=0; i<PUMA_INIT_TIMEOUT; ++i) {
+		udelay (1000);
+		if (immr->im_ioport.iop_pcdat & CFG_PC_PUMA_INIT)
+			break;
+	}
+	if (i == PUMA_INIT_TIMEOUT) {
+		printf ("*** PUMA init timeout ***\n");
+		return;
+	}
+
+	puma_set_mode (PUMA_LOAD_MODE);
+
+	while (len--)
+		*fpga_addr = *data++;
+
+	puma_set_mode (PUMA_READ_MODE);
+
+	puma_status ();
+}
+
+/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
+
+static void puma_status (void)
+{
+	/* Check state */
+	printf ("PUMA initialization is %scomplete\n",
+		puma_init_done() ? "" : "NOT ");
+}
+
+/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
+
+static int puma_init_done (void)
+{
+	volatile immap_t *immr = (immap_t *)CFG_IMMR;
+
+	/* make sure pin is GPIO input */
+	immr->im_ioport.iop_pcpar &= ~(CFG_PC_PUMA_DONE);
+	immr->im_ioport.iop_pcso  &= ~(CFG_PC_PUMA_DONE);
+	immr->im_ioport.iop_pcdir &= ~(CFG_PC_PUMA_DONE);
+
+	return (immr->im_ioport.iop_pcdat & CFG_PC_PUMA_DONE) ? 1 : 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+int misc_init_r (void)
+{
+	ulong addr = 0;
+	ulong len  = 0;
+	char *s;
+
+	printf ("PUMA:  ");
+	if (puma_init_done()) {
+		printf ("initialized\n");
+		return 0;
+	}
+
+	if ((s = getenv("puma_addr")) != NULL)
+		addr = simple_strtoul(s, NULL, 16);
+
+	if ((s = getenv("puma_len")) != NULL)
+		len = simple_strtoul(s, NULL, 16);
+
+	if ((!addr) || (!len)) {
+		printf ("net list undefined\n");
+		return 0;
+	}
+
+	printf ("loading... ");
+
+	puma_load (addr, len);
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */

board/spd8xx/spd8xx.c

@@ -0,0 +1,324 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ * Ulrich Lutz, Speech Design GmbH, ulutz@datalab.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>
+#include <mpc8xx.h>
+#include <commproc.h>
+
+/* ------------------------------------------------------------------------- */
+
+static long int dram_size (long int, long int *, long int);
+
+/* ------------------------------------------------------------------------- */
+
+#define	_NOT_USED_	0xFFFFFFFF
+
+const uint sharc_table[] =
+{
+	/*
+	 * Single Read. (Offset 0 in UPM RAM)
+	 */
+	0x0FF3FC04, 0x0FF3EC00, 0x7FFFEC04, 0xFFFFEC04,
+	0xFFFFEC05, /* last */
+	            _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Burst Read. (Offset 8 in UPM RAM)
+	 */
+	/* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Single Write. (Offset 18 in UPM RAM)
+	 */
+	0x0FAFFC04, 0x0FAFEC00, 0x7FFFEC04, 0xFFFFEC04,
+	0xFFFFEC05, /* last */
+	            _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Burst Write. (Offset 20 in UPM RAM)
+	 */
+	/* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Refresh  (Offset 30 in UPM RAM)
+	 */
+	/* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Exception. (Offset 3c in UPM RAM)
+	 */
+	0x7FFFFC07, /* last */
+		    _NOT_USED_, _NOT_USED_, _NOT_USED_,
+};
+
+
+const uint sdram_table[] =
+{
+	/*
+	 * Single Read. (Offset 0 in UPM RAM)
+	 */
+	0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00,
+	0x1FF77C47, /* last */
+	/*
+	 * SDRAM Initialization (offset 5 in UPM RAM)
+	 *
+         * This is no UPM entry point. The following definition uses
+         * the remaining space to establish an initialization
+         * sequence, which is executed by a RUN command.
+	 *
+	 */
+		    0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */
+	/*
+	 * Burst Read. (Offset 8 in UPM RAM)
+	 */
+	0x1F07FC04, 0xEEAEFC04, 0x10ADFC04, 0xF0AFFC00,
+	0xF0AFFC00, 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C47, /* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Single Write. (Offset 18 in UPM RAM)
+	 */
+	0x1F27FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, /* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Burst Write. (Offset 20 in UPM RAM)
+	 */
+	0x1F07FC04, 0xEEAEBC00, 0x10AD7C00, 0xF0AFFC00,
+	0xF0AFFC00, 0xE1BBBC04, 0x1FF77C47, /* last */
+					    _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Refresh  (Offset 30 in UPM RAM)
+	 */
+	0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
+	0xFFFFFC84, 0xFFFFFC07, /* last */
+				_NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Exception. (Offset 3c in UPM RAM)
+	 */
+	0x7FFFFC07, /* last */
+		    _NOT_USED_, _NOT_USED_, _NOT_USED_,
+};
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Check Board Identity:
+ *
+ */
+
+int checkboard (void)
+{
+	puts ("Board: SPD823TS\n");
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int
+initdram (int board_type)
+{
+    volatile immap_t     *immap  = (immap_t *)CFG_IMMR;
+    volatile memctl8xx_t *memctl = &immap->im_memctl;
+    long int size_b0;
+
+#if 0
+    /*
+     * Map controller bank 2 to the SRAM bank at preliminary address.
+     */
+    memctl->memc_or2 = CFG_OR2;
+    memctl->memc_br2 = CFG_BR2;
+#endif
+
+    /*
+     * Map controller bank 4 to the PER8 bank.
+     */
+    memctl->memc_or4 = CFG_OR4;
+    memctl->memc_br4 = CFG_BR4;
+
+#if 0
+    /* Configure SHARC at UMA */
+    upmconfig(UPMA, (uint *)sharc_table, sizeof(sharc_table)/sizeof(uint));
+    /* Map controller bank 5 to the SHARC */
+    memctl->memc_or5 = CFG_OR5;
+    memctl->memc_br5 = CFG_BR5;
+#endif
+
+    memctl->memc_mamr = 0x00001000;
+
+    /* Configure SDRAM at UMB */
+    upmconfig(UPMB, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
+
+    memctl->memc_mptpr = CFG_MPTPR_1BK_8K;
+
+    memctl->memc_mar = 0x00000088;
+
+    /*
+     * Map controller bank 3 to the SDRAM bank at preliminary address.
+     */
+    memctl->memc_or3 = CFG_OR3_PRELIM;
+    memctl->memc_br3 = CFG_BR3_PRELIM;
+
+    memctl->memc_mbmr = CFG_MBMR_8COL;	/* refresh not enabled yet */
+
+    udelay(200);
+    memctl->memc_mcr = 0x80806105;
+    udelay(1);
+    memctl->memc_mcr = 0x80806130;
+    udelay(1);
+    memctl->memc_mcr = 0x80806130;
+    udelay(1);
+    memctl->memc_mcr = 0x80806106;
+
+    memctl->memc_mbmr |= MAMR_PTBE;	/* refresh enabled */
+
+    /*
+     * Check Bank 0 Memory Size for re-configuration
+     */
+    size_b0 = dram_size (CFG_MBMR_8COL, (ulong *)SDRAM_BASE3_PRELIM, SDRAM_MAX_SIZE);
+
+    memctl->memc_mbmr = CFG_MBMR_8COL | MAMR_PTBE;
+
+    return (size_b0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check memory range for valid RAM. A simple memory test determines
+ * the actually available RAM size between addresses `base' and
+ * `base + maxsize'. Some (not all) hardware errors are detected:
+ * - short between address lines
+ * - short between data lines
+ */
+
+static long int dram_size (long int mamr_value, long int *base, long int maxsize)
+{
+    volatile immap_t     *immap  = (immap_t *)CFG_IMMR;
+    volatile memctl8xx_t *memctl = &immap->im_memctl;
+    volatile long int	 *addr;
+    ulong		  cnt, val;
+    ulong		  save[32];	/* to make test non-destructive */
+    unsigned char	  i = 0;
+
+    memctl->memc_mbmr = mamr_value;
+
+    for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) {
+	addr = base + cnt;	/* pointer arith! */
+
+	save[i++] = *addr;
+	*addr = ~cnt;
+    }
+
+    /* write 0 to base address */
+    addr = base;
+    save[i] = *addr;
+    *addr = 0;
+
+    /* check at base address */
+    if ((val = *addr) != 0) {
+	*addr = save[i];
+	return (0);
+    }
+
+    for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
+	addr = base + cnt;	/* pointer arith! */
+
+	val = *addr;
+	*addr = save[--i];
+
+	if (val != (~cnt)) {
+	    return (cnt * sizeof(long));
+	}
+    }
+    return (maxsize);
+}
+
+/* ------------------------------------------------------------------------- */
+
+void	reset_phy(void)
+{
+	immap_t *immr = (immap_t *)CFG_IMMR;
+	ushort sreg;
+
+	/* Configure extra port pins for NS DP83843 PHY */
+	immr->im_ioport.iop_papar &= ~(PA_ENET_MDC | PA_ENET_MDIO);
+
+	sreg  = immr->im_ioport.iop_padir;
+	sreg |=   PA_ENET_MDC;		/* Mgmt. Data Clock is Output */
+	sreg &= ~(PA_ENET_MDIO);	/* Mgmt. Data I/O is bidirect. => Input */
+	immr->im_ioport.iop_padir = sreg;
+
+	immr->im_ioport.iop_padat &= ~(PA_ENET_MDC);	/* set MDC = 0 */
+
+	/*
+         * RESET in implemented by a positive pulse of at least 1 us
+         * at the reset pin.
+	 *
+	 * Configure RESET pins for NS DP83843 PHY, and RESET chip.
+	 *
+	 * Note: The RESET pin is high active, but there is an
+	 *	 inverter on the SPD823TS board...
+	 */
+	immr->im_ioport.iop_pcpar &= ~(PC_ENET_RESET);
+	immr->im_ioport.iop_pcdir |=   PC_ENET_RESET;
+	/* assert RESET signal of PHY */
+	immr->im_ioport.iop_pcdat &= ~(PC_ENET_RESET);
+	udelay (10);
+	/* de-assert RESET signal of PHY */
+	immr->im_ioport.iop_pcdat |=   PC_ENET_RESET;
+	udelay (10);
+}
+
+/* ------------------------------------------------------------------------- */
+
+void ide_set_reset(int on)
+{
+	volatile immap_t *immr = (immap_t *)CFG_IMMR;
+
+	/*
+	 * Configure PC for IDE Reset Pin
+	 */
+	if (on) {		/* assert RESET */
+		immr->im_ioport.iop_pcdat &= ~(CFG_PC_IDE_RESET);
+	} else {		/* release RESET */
+		immr->im_ioport.iop_pcdat |=   CFG_PC_IDE_RESET;
+	}
+
+	/* program port pin as GPIO output */
+	immr->im_ioport.iop_pcpar &= ~(CFG_PC_IDE_RESET);
+	immr->im_ioport.iop_pcso  &= ~(CFG_PC_IDE_RESET);
+	immr->im_ioport.iop_pcdir |=   CFG_PC_IDE_RESET;
+}
+
+/* ------------------------------------------------------------------------- */

board/tqm8260/tqm8260.c

@@ -0,0 +1,402 @@
+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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>
+#include <ioports.h>
+#include <mpc8260.h>
+
+/*
+ * I/O Port configuration table
+ *
+ * if conf is 1, then that port pin will be configured at boot time
+ * according to the five values podr/pdir/ppar/psor/pdat for that entry
+ */
+
+const iop_conf_t iop_conf_tab[4][32] = {
+
+    /* Port A configuration */
+    {	/*	      conf ppar psor pdir podr pdat */
+	/* PA31 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 *ATMTXEN */
+	/* PA30 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTCA   */
+	/* PA29 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTSOC  */
+	/* PA28 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 *ATMRXEN */
+	/* PA27 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRSOC */
+	/* PA26 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRCA */
+	/* PA25 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[0] */
+	/* PA24 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[1] */
+	/* PA23 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[2] */
+	/* PA22 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[3] */
+	/* PA21 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[4] */
+	/* PA20 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[5] */
+	/* PA19 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[6] */
+	/* PA18 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[7] */
+	/* PA17 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[7] */
+	/* PA16 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[6] */
+	/* PA15 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[5] */
+	/* PA14 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[4] */
+	/* PA13 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[3] */
+	/* PA12 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[2] */
+	/* PA11 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[1] */
+	/* PA10 */ {   0,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[0] */
+	/* PA9  */ {   1,   1,   0,   1,   0,   0   }, /* SMC2 TXD */
+	/* PA8  */ {   1,   1,   0,   0,   0,   0   }, /* SMC2 RXD */
+	/* PA7  */ {   0,   0,   0,   1,   0,   0   }, /* PA7 */
+	/* PA6  */ {   0,   0,   0,   1,   0,   0   }, /* PA6 */
+	/* PA5  */ {   0,   0,   0,   1,   0,   0   }, /* PA5 */
+	/* PA4  */ {   0,   0,   0,   1,   0,   0   }, /* PA4 */
+	/* PA3  */ {   0,   0,   0,   1,   0,   0   }, /* PA3 */
+	/* PA2  */ {   0,   0,   0,   1,   0,   0   }, /* PA2 */
+	/* PA1  */ {   0,   0,   0,   1,   0,   0   }, /* PA1 */
+	/* PA0  */ {   0,   0,   0,   1,   0,   0   }  /* PA0 */
+    },
+
+    /* Port B configuration */
+    {   /*	      conf ppar psor pdir podr pdat */
+	/* PB31 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TX_ER */
+	/* PB30 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_DV */
+	/* PB29 */ {   1,   1,   1,   1,   0,   0   }, /* FCC2 MII TX_EN */
+	/* PB28 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_ER */
+	/* PB27 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII COL */
+	/* PB26 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII CRS */
+	/* PB25 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[3] */
+	/* PB24 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[2] */
+	/* PB23 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[1] */
+	/* PB22 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[0] */
+	/* PB21 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[0] */
+	/* PB20 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[1] */
+	/* PB19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[2] */
+	/* PB18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[3] */
+	/* PB17 */ {   0,   0,   0,   0,   0,   0   }, /* PB17 */
+	/* PB16 */ {   0,   0,   0,   0,   0,   0   }, /* PB16 */
+	/* PB15 */ {   0,   0,   0,   0,   0,   0   }, /* PB15 */
+	/* PB14 */ {   0,   0,   0,   0,   0,   0   }, /* PB14 */
+	/* PB13 */ {   0,   0,   0,   0,   0,   0   }, /* PB13 */
+	/* PB12 */ {   0,   0,   0,   0,   0,   0   }, /* PB12 */
+	/* PB11 */ {   0,   0,   0,   0,   0,   0   }, /* PB11 */
+	/* PB10 */ {   0,   0,   0,   0,   0,   0   }, /* PB10 */
+	/* PB9  */ {   0,   0,   0,   0,   0,   0   }, /* PB9 */
+	/* PB8  */ {   0,   0,   0,   0,   0,   0   }, /* PB8 */
+	/* PB7  */ {   0,   0,   0,   0,   0,   0   }, /* PB7 */
+	/* PB6  */ {   0,   0,   0,   0,   0,   0   }, /* PB6 */
+	/* PB5  */ {   0,   0,   0,   0,   0,   0   }, /* PB5 */
+	/* PB4  */ {   0,   0,   0,   0,   0,   0   }, /* PB4 */
+	/* PB3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PB2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PB1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PB0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */
+    },
+
+    /* Port C */
+    {   /*	      conf ppar psor pdir podr pdat */
+	/* PC31 */ {   0,   0,   0,   1,   0,   0   }, /* PC31 */
+	/* PC30 */ {   0,   0,   0,   1,   0,   0   }, /* PC30 */
+	/* PC29 */ {   1,   1,   1,   0,   0,   0   }, /* SCC1 EN *CLSN */
+	/* PC28 */ {   0,   0,   0,   1,   0,   0   }, /* PC28 */
+	/* PC27 */ {   0,   0,   0,   1,   0,   0   }, /* PC27 */
+	/* PC26 */ {   0,   0,   0,   1,   0,   0   }, /* PC26 */
+	/* PC25 */ {   0,   0,   0,   1,   0,   0   }, /* PC25 */
+	/* PC24 */ {   0,   0,   0,   1,   0,   0   }, /* PC24 */
+	/* PC23 */ {   0,   1,   0,   1,   0,   0   }, /* ATMTFCLK */
+	/* PC22 */ {   0,   1,   0,   0,   0,   0   }, /* ATMRFCLK */
+	/* PC21 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN RXCLK */
+	/* PC20 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN TXCLK */
+	/* PC19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_CLK */
+	/* PC18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII TX_CLK */
+	/* PC17 */ {   0,   0,   0,   1,   0,   0   }, /* PC17 */
+	/* PC16 */ {   0,   0,   0,   1,   0,   0   }, /* PC16 */
+	/* PC15 */ {   0,   0,   0,   1,   0,   0   }, /* PC15 */
+	/* PC14 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN *CD */
+	/* PC13 */ {   0,   0,   0,   1,   0,   0   }, /* PC13 */
+	/* PC12 */ {   0,   0,   0,   1,   0,   0   }, /* PC12 */
+	/* PC11 */ {   0,   0,   0,   1,   0,   0   }, /* PC11 */
+	/* PC10 */ {   0,   0,   0,   1,   0,   0   }, /* FCC2 MDC */
+	/* PC9  */ {   0,   0,   0,   1,   0,   0   }, /* FCC2 MDIO */
+	/* PC8  */ {   0,   0,   0,   1,   0,   0   }, /* PC8 */
+	/* PC7  */ {   0,   0,   0,   1,   0,   0   }, /* PC7 */
+	/* PC6  */ {   0,   0,   0,   1,   0,   0   }, /* PC6 */
+	/* PC5  */ {   0,   0,   0,   1,   0,   0   }, /* PC5 */
+	/* PC4  */ {   0,   0,   0,   1,   0,   0   }, /* PC4 */
+	/* PC3  */ {   0,   0,   0,   1,   0,   0   }, /* PC3 */
+	/* PC2  */ {   0,   0,   0,   1,   0,   1   }, /* ENET FDE */
+	/* PC1  */ {   0,   0,   0,   1,   0,   0   }, /* ENET DSQE */
+	/* PC0  */ {   0,   0,   0,   1,   0,   0   }, /* ENET LBK */
+    },
+
+    /* Port D */
+    {   /*	      conf ppar psor pdir podr pdat */
+	/* PD31 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN RxD */
+	/* PD30 */ {   1,   1,   1,   1,   0,   0   }, /* SCC1 EN TxD */
+	/* PD29 */ {   1,   1,   0,   1,   0,   0   }, /* SCC1 EN TENA */
+	/* PD28 */ {   0,   0,   0,   1,   0,   0   }, /* PD28 */
+	/* PD27 */ {   0,   0,   0,   1,   0,   0   }, /* PD27 */
+	/* PD26 */ {   0,   0,   0,   1,   0,   0   }, /* PD26 */
+	/* PD25 */ {   0,   0,   0,   1,   0,   0   }, /* PD25 */
+	/* PD24 */ {   0,   0,   0,   1,   0,   0   }, /* PD24 */
+	/* PD23 */ {   0,   0,   0,   1,   0,   0   }, /* PD23 */
+	/* PD22 */ {   0,   0,   0,   1,   0,   0   }, /* PD22 */
+	/* PD21 */ {   0,   0,   0,   1,   0,   0   }, /* PD21 */
+	/* PD20 */ {   0,   0,   0,   1,   0,   0   }, /* PD20 */
+	/* PD19 */ {   0,   0,   0,   1,   0,   0   }, /* PD19 */
+	/* PD18 */ {   0,   0,   0,   1,   0,   0   }, /* PD19 */
+	/* PD17 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXPRTY */
+	/* PD16 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXPRTY */
+#if defined(CONFIG_SOFT_I2C)
+	/* PD15 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SDA */
+	/* PD14 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SCL */
+#else
+#if defined(CONFIG_HARD_I2C)
+	/* PD15 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SDA */
+	/* PD14 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SCL */
+#else /* normal I/O port pins */
+	/* PD15 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SDA */
+	/* PD14 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SCL */
+#endif
+#endif
+	/* PD13 */ {   0,   0,   0,   0,   0,   0   }, /* PD13 */
+	/* PD12 */ {   0,   0,   0,   0,   0,   0   }, /* PD12 */
+	/* PD11 */ {   0,   0,   0,   0,   0,   0   }, /* PD11 */
+	/* PD10 */ {   0,   0,   0,   0,   0,   0   }, /* PD10 */
+	/* PD9  */ {   1,   1,   0,   1,   0,   0   }, /* SMC1 TXD */
+	/* PD8  */ {   1,   1,   0,   0,   0,   0   }, /* SMC1 RXD */
+	/* PD7  */ {   0,   0,   0,   1,   0,   1   }, /* PD7 */
+	/* PD6  */ {   0,   0,   0,   1,   0,   1   }, /* PD6 */
+	/* PD5  */ {   0,   0,   0,   1,   0,   1   }, /* PD5 */
+	/* PD4  */ {   0,   0,   0,   1,   0,   1   }, /* PD4 */
+	/* PD3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PD2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PD1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
+	/* PD0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */
+    }
+};
+
+/* ------------------------------------------------------------------------- */
+
+/* Check Board Identity:
+ */
+int checkboard (void)
+{
+	unsigned char str[64];
+	int i = getenv_r ("serial#", str, sizeof (str));
+
+	puts ("Board: ");
+
+	if (!i || strncmp (str, "TQM8260", 7)) {
+		puts ("### No HW ID - assuming TQM8260\n");
+		return (1);
+	}
+
+	puts (str);
+	putc ('\n');
+
+	return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx
+ *
+ * This routine performs standard 8260 initialization sequence
+ * and calculates the available memory size. It may be called
+ * several times to try different SDRAM configurations on both
+ * 60x and local buses.
+ */
+static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
+						  ulong orx, volatile uchar * base)
+{
+	volatile uchar c = 0xff;
+	ulong cnt, val;
+	volatile ulong *addr;
+	volatile uint *sdmr_ptr;
+	volatile uint *orx_ptr;
+	int i;
+	ulong save[32];				/* to make test non-destructive */
+	ulong maxsize;
+
+	/* We must be able to test a location outsize the maximum legal size
+	 * to find out THAT we are outside; but this address still has to be
+	 * mapped by the controller. That means, that the initial mapping has
+	 * to be (at least) twice as large as the maximum expected size.
+	 */
+	maxsize = (1 + (~orx | 0x7fff)) / 2;
+
+	/* Since CFG_SDRAM_BASE is always 0 (??), we assume that
+	 * we are configuring CS1 if base != 0
+	 */
+	sdmr_ptr = base ? &memctl->memc_lsdmr : &memctl->memc_psdmr;
+	orx_ptr = base ? &memctl->memc_or2 : &memctl->memc_or1;
+
+	*orx_ptr = orx;
+
+	/*
+	 * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):
+	 *
+	 * "At system reset, initialization software must set up the
+	 *  programmable parameters in the memory controller banks registers
+	 *  (ORx, BRx, P/LSDMR). After all memory parameters are configured,
+	 *  system software should execute the following initialization sequence
+	 *  for each SDRAM device.
+	 *
+	 *  1. Issue a PRECHARGE-ALL-BANKS command
+	 *  2. Issue eight CBR REFRESH commands
+	 *  3. Issue a MODE-SET command to initialize the mode register
+	 *
+	 *  The initial commands are executed by setting P/LSDMR[OP] and
+	 *  accessing the SDRAM with a single-byte transaction."
+	 *
+	 * The appropriate BRx/ORx registers have already been set when we
+	 * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE.
+	 */
+
+	*sdmr_ptr = sdmr | PSDMR_OP_PREA;
+	*base = c;
+
+	*sdmr_ptr = sdmr | PSDMR_OP_CBRR;
+	for (i = 0; i < 8; i++)
+		*base = c;
+
+	*sdmr_ptr = sdmr | PSDMR_OP_MRW;
+	*(base + CFG_MRS_OFFS) = c;	/* setting MR on address lines */
+
+	*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
+	*base = c;
+
+	/*
+	 * Check memory range for valid RAM. A simple memory test determines
+	 * the actually available RAM size between addresses `base' and
+	 * `base + maxsize'. Some (not all) hardware errors are detected:
+	 * - short between address lines
+	 * - short between data lines
+	 */
+	i = 0;
+	for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
+		addr = (volatile ulong *) base + cnt;	/* pointer arith! */
+		save[i++] = *addr;
+		*addr = ~cnt;
+	}
+
+	addr = (volatile ulong *) base;
+	save[i] = *addr;
+	*addr = 0;
+
+	if ((val = *addr) != 0) {
+		*addr = save[i];
+		return (0);
+	}
+
+	for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
+		addr = (volatile ulong *) base + cnt;	/* pointer arith! */
+		val = *addr;
+		*addr = save[--i];
+		if (val != ~cnt) {
+			/* Write the actual size to ORx
+			 */
+			*orx_ptr = orx | ~(cnt * sizeof (long) - 1);
+			return (cnt * sizeof (long));
+		}
+	}
+	return (maxsize);
+}
+
+long int initdram (int board_type)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8260_t *memctl = &immap->im_memctl;
+
+#ifndef CFG_RAMBOOT
+	long size8, size9;
+#endif
+	long psize, lsize;
+
+	psize = 16 * 1024 * 1024;
+	lsize = 0;
+
+	memctl->memc_psrt = CFG_PSRT;
+	memctl->memc_mptpr = CFG_MPTPR;
+
+#if 0							/* Just for debugging */
+#define	prt_br_or(brX,orX) do {				\
+    ulong start =  memctl->memc_ ## brX & 0xFFFF8000;	\
+    ulong sizem = ~memctl->memc_ ## orX | 0x00007FFF;	\
+    printf ("\n"					\
+    	    #brX " 0x%08x  " #orX " 0x%08x "		\
+	    "==> 0x%08lx ... 0x%08lx = %ld MB\n",	\
+	memctl->memc_ ## brX, memctl->memc_ ## orX,	\
+	start, start+sizem, (sizem+1)>>20);		\
+    } while (0)
+	prt_br_or (br0, or0);
+	prt_br_or (br1, or1);
+	prt_br_or (br2, or2);
+	prt_br_or (br3, or3);
+#endif
+
+#ifndef CFG_RAMBOOT
+	/* 60x SDRAM setup:
+	 */
+	size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL,
+					  (uchar *) CFG_SDRAM_BASE);
+	size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR1_9COL,
+					  (uchar *) CFG_SDRAM_BASE);
+
+	if (size8 < size9) {
+		psize = size9;
+		printf ("(60x:9COL - %ld MB, ", psize >> 20);
+	} else {
+		psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL,
+						  (uchar *) CFG_SDRAM_BASE);
+		printf ("(60x:8COL - %ld MB, ", psize >> 20);
+	}
+
+	/* Local SDRAM setup:
+	 */
+#ifdef CFG_INIT_LOCAL_SDRAM
+	memctl->memc_lsrt = CFG_LSRT;
+	size8 = try_init (memctl, CFG_LSDMR_8COL, CFG_OR2_8COL,
+					  (uchar *) SDRAM_BASE2_PRELIM);
+	size9 = try_init (memctl, CFG_LSDMR_9COL, CFG_OR2_9COL,
+					  (uchar *) SDRAM_BASE2_PRELIM);
+
+	if (size8 < size9) {
+		lsize = size9;
+		printf ("Local:9COL - %ld MB) using ", lsize >> 20);
+	} else {
+		lsize = try_init (memctl, CFG_LSDMR_8COL, CFG_OR2_8COL,
+						  (uchar *) SDRAM_BASE2_PRELIM);
+		printf ("Local:8COL - %ld MB) using ", lsize >> 20);
+	}
+
+#if 0
+	/* Set up BR2 so that the local SDRAM goes
+	 * right after the 60x SDRAM
+	 */
+	memctl->memc_br2 = (CFG_BR2_PRELIM & ~BRx_BA_MSK) |
+			(CFG_SDRAM_BASE + psize);
+#endif
+#endif /* CFG_INIT_LOCAL_SDRAM */
+#endif /* CFG_RAMBOOT */
+
+	icache_enable ();
+
+	return (psize);
+}
+
+/* ------------------------------------------------------------------------- */

board/tqm8xx/tqm8xx.c

@@ -0,0 +1,423 @@
+/*
+ * (C) Copyright 2000, 2001, 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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>
+#include <mpc8xx.h>
+
+/* ------------------------------------------------------------------------- */
+
+static long int dram_size (long int, long int *, long int);
+
+/* ------------------------------------------------------------------------- */
+
+#define	_NOT_USED_	0xFFFFFFFF
+
+const uint sdram_table[] =
+{
+	/*
+	 * Single Read. (Offset 0 in UPMA RAM)
+	 */
+	0x1F0DFC04, 0xEEAFBC04, 0x11AF7C04, 0xEFBAFC00,
+	0x1FF5FC47, /* last */
+	/*
+	 * SDRAM Initialization (offset 5 in UPMA RAM)
+	 *
+	 * This is no UPM entry point. The following definition uses
+	 * the remaining space to establish an initialization
+	 * sequence, which is executed by a RUN command.
+	 *
+	 */
+		    0x1FF5FC34, 0xEFEABC34, 0x1FB57C35, /* last */
+	/*
+	 * Burst Read. (Offset 8 in UPMA RAM)
+	 */
+	0x1F0DFC04, 0xEEAFBC04, 0x10AF7C04, 0xF0AFFC00,
+	0xF0AFFC00, 0xF1AFFC00, 0xEFBAFC00, 0x1FF5FC47, /* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Single Write. (Offset 18 in UPMA RAM)
+	 */
+	0x1F0DFC04, 0xEEABBC00, 0x01B27C04, 0x1FF5FC47, /* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Burst Write. (Offset 20 in UPMA RAM)
+	 */
+	0x1F0DFC04, 0xEEABBC00, 0x10A77C00, 0xF0AFFC00,
+	0xF0AFFC00, 0xE1BAFC04, 0x1FF5FC47, /* last */
+					    _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Refresh  (Offset 30 in UPMA RAM)
+	 */
+	0x1FFD7C84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
+	0xFFFFFC84, 0xFFFFFC07, /* last */
+				_NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Exception. (Offset 3c in UPMA RAM)
+	 */
+	0x7FFFFC07, /* last */
+		    _NOT_USED_, _NOT_USED_, _NOT_USED_,
+};
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Check Board Identity:
+ *
+ * Test TQ ID string (TQM8xx...)
+ * If present, check for "L" type (no second DRAM bank),
+ * otherwise "L" type is assumed as default.
+ *
+ * Set board_type to 'L' for "L" type, 0 else.
+ */
+
+int checkboard (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	unsigned char *s = getenv ("serial#");
+
+	puts ("Board: ");
+
+	if (!s || strncmp (s, "TQM8", 4)) {
+		puts ("### No HW ID - assuming TQM8xxL\n");
+		return (0);
+	}
+
+	if ((*(s + 6) == 'L')) {	/* a TQM8xxL type */
+		gd->board_type = 'L';
+	}
+
+	for (; *s; ++s) {
+		if (*s == ' ')
+			break;
+		putc (*s);
+	}
+	putc ('\n');
+
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+	long int size8, size9;
+	long int size_b0 = 0;
+	long int size_b1 = 0;
+
+	upmconfig (UPMA, (uint *) sdram_table,
+			   sizeof (sdram_table) / sizeof (uint));
+
+	/*
+	 * Preliminary prescaler for refresh (depends on number of
+	 * banks): This value is selected for four cycles every 62.4 us
+	 * with two SDRAM banks or four cycles every 31.2 us with one
+	 * bank. It will be adjusted after memory sizing.
+	 */
+	memctl->memc_mptpr = CFG_MPTPR_2BK_8K;
+
+	/*
+	 * The following value is used as an address (i.e. opcode) for
+	 * the LOAD MODE REGISTER COMMAND during SDRAM initialisation. If
+	 * the port size is 32bit the SDRAM does NOT "see" the lower two
+	 * address lines, i.e. mar=0x00000088 -> opcode=0x00000022 for
+	 * MICRON SDRAMs:
+	 * ->    0 00 010 0 010
+	 *       |  |   | |   +- Burst Length = 4
+	 *       |  |   | +----- Burst Type   = Sequential
+	 *       |  |   +------- CAS Latency  = 2
+	 *       |  +----------- Operating Mode = Standard
+	 *       +-------------- Write Burst Mode = Programmed Burst Length
+	 */
+	memctl->memc_mar = 0x00000088;
+
+	/*
+	 * Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at
+	 * preliminary addresses - these have to be modified after the
+	 * SDRAM size has been determined.
+	 */
+	memctl->memc_or2 = CFG_OR2_PRELIM;
+	memctl->memc_br2 = CFG_BR2_PRELIM;
+
+#ifndef	CONFIG_CAN_DRIVER
+	if (board_type != 'L') {	/* "L" type boards have only one bank SDRAM */
+		memctl->memc_or3 = CFG_OR3_PRELIM;
+		memctl->memc_br3 = CFG_BR3_PRELIM;
+	}
+#endif							/* CONFIG_CAN_DRIVER */
+
+	memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE));	/* no refresh yet */
+
+	udelay (200);
+
+	/* perform SDRAM initializsation sequence */
+
+	memctl->memc_mcr = 0x80004105;	/* SDRAM bank 0 */
+	udelay (1);
+	memctl->memc_mcr = 0x80004230;	/* SDRAM bank 0 - execute twice */
+	udelay (1);
+
+#ifndef	CONFIG_CAN_DRIVER
+	if (board_type != 'L') {	/* "L" type boards have only one bank SDRAM */
+		memctl->memc_mcr = 0x80006105;	/* SDRAM bank 1 */
+		udelay (1);
+		memctl->memc_mcr = 0x80006230;	/* SDRAM bank 1 - execute twice */
+		udelay (1);
+	}
+#endif							/* CONFIG_CAN_DRIVER */
+
+	memctl->memc_mamr |= MAMR_PTAE;	/* enable refresh */
+
+	udelay (1000);
+
+	/*
+	 * Check Bank 0 Memory Size for re-configuration
+	 *
+	 * try 8 column mode
+	 */
+	size8 = dram_size (CFG_MAMR_8COL, (ulong *) SDRAM_BASE2_PRELIM,
+					   SDRAM_MAX_SIZE);
+
+	udelay (1000);
+
+	/*
+	 * try 9 column mode
+	 */
+	size9 = dram_size (CFG_MAMR_9COL, (ulong *) SDRAM_BASE2_PRELIM,
+					   SDRAM_MAX_SIZE);
+
+	if (size8 < size9) {		/* leave configuration at 9 columns */
+		size_b0 = size9;
+/*	debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20);	*/
+	} else {					/* back to 8 columns            */
+		size_b0 = size8;
+		memctl->memc_mamr = CFG_MAMR_8COL;
+		udelay (500);
+/*	debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20);	*/
+	}
+
+#ifndef	CONFIG_CAN_DRIVER
+	if (board_type != 'L') {	/* "L" type boards have only one bank SDRAM */
+		/*
+		 * Check Bank 1 Memory Size
+		 * use current column settings
+		 * [9 column SDRAM may also be used in 8 column mode,
+		 *  but then only half the real size will be used.]
+		 */
+		size_b1 =
+				dram_size (memctl->memc_mamr, (ulong *) SDRAM_BASE3_PRELIM,
+						   SDRAM_MAX_SIZE);
+/*	debug ("SDRAM Bank 1: %ld MB\n", size8 >> 20);	*/
+	} else {
+		size_b1 = 0;
+	}
+#endif							/* CONFIG_CAN_DRIVER */
+
+	udelay (1000);
+
+	/*
+	 * Adjust refresh rate depending on SDRAM type, both banks
+	 * For types > 128 MBit leave it at the current (fast) rate
+	 */
+	if ((size_b0 < 0x02000000) && (size_b1 < 0x02000000)) {
+		/* reduce to 15.6 us (62.4 us / quad) */
+		memctl->memc_mptpr = CFG_MPTPR_2BK_4K;
+		udelay (1000);
+	}
+
+	/*
+	 * Final mapping: map bigger bank first
+	 */
+	if (size_b1 > size_b0) {	/* SDRAM Bank 1 is bigger - map first   */
+
+		memctl->memc_or3 = ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
+		memctl->memc_br3 =
+				(CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
+
+		if (size_b0 > 0) {
+			/*
+			 * Position Bank 0 immediately above Bank 1
+			 */
+			memctl->memc_or2 =
+					((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
+			memctl->memc_br2 =
+					((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V)
+					+ size_b1;
+		} else {
+			unsigned long reg;
+
+			/*
+			 * No bank 0
+			 *
+			 * invalidate bank
+			 */
+			memctl->memc_br2 = 0;
+
+			/* adjust refresh rate depending on SDRAM type, one bank */
+			reg = memctl->memc_mptpr;
+			reg >>= 1;			/* reduce to CFG_MPTPR_1BK_8K / _4K */
+			memctl->memc_mptpr = reg;
+		}
+
+	} else {					/* SDRAM Bank 0 is bigger - map first   */
+
+		memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
+		memctl->memc_br2 =
+				(CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
+
+		if (size_b1 > 0) {
+			/*
+			 * Position Bank 1 immediately above Bank 0
+			 */
+			memctl->memc_or3 =
+					((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
+			memctl->memc_br3 =
+					((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V)
+					+ size_b0;
+		} else {
+			unsigned long reg;
+
+#ifndef	CONFIG_CAN_DRIVER
+			/*
+			 * No bank 1
+			 *
+			 * invalidate bank
+			 */
+			memctl->memc_br3 = 0;
+#endif							/* CONFIG_CAN_DRIVER */
+
+			/* adjust refresh rate depending on SDRAM type, one bank */
+			reg = memctl->memc_mptpr;
+			reg >>= 1;			/* reduce to CFG_MPTPR_1BK_8K / _4K */
+			memctl->memc_mptpr = reg;
+		}
+	}
+
+	udelay (10000);
+
+#ifdef	CONFIG_CAN_DRIVER
+	/* Initialize OR3 / BR3 */
+	memctl->memc_or3 = CFG_OR3_CAN;
+	memctl->memc_br3 = CFG_BR3_CAN;
+
+	/* Initialize MBMR */
+	memctl->memc_mbmr = MAMR_GPL_B4DIS;	/* GPL_B4 ouput line Disable */
+
+	/* Initialize UPMB for CAN: single read */
+	memctl->memc_mdr = 0xFFFFC004;
+	memctl->memc_mcr = 0x0100 | UPMB;
+
+	memctl->memc_mdr = 0x0FFFD004;
+	memctl->memc_mcr = 0x0101 | UPMB;
+
+	memctl->memc_mdr = 0x0FFFC000;
+	memctl->memc_mcr = 0x0102 | UPMB;
+
+	memctl->memc_mdr = 0x3FFFC004;
+	memctl->memc_mcr = 0x0103 | UPMB;
+
+	memctl->memc_mdr = 0xFFFFDC05;
+	memctl->memc_mcr = 0x0104 | UPMB;
+
+	/* Initialize UPMB for CAN: single write */
+	memctl->memc_mdr = 0xFFFCC004;
+	memctl->memc_mcr = 0x0118 | UPMB;
+
+	memctl->memc_mdr = 0xCFFCD004;
+	memctl->memc_mcr = 0x0119 | UPMB;
+
+	memctl->memc_mdr = 0x0FFCC000;
+	memctl->memc_mcr = 0x011A | UPMB;
+
+	memctl->memc_mdr = 0x7FFCC004;
+	memctl->memc_mcr = 0x011B | UPMB;
+
+	memctl->memc_mdr = 0xFFFDCC05;
+	memctl->memc_mcr = 0x011C | UPMB;
+#endif							/* CONFIG_CAN_DRIVER */
+
+
+	return (size_b0 + size_b1);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check memory range for valid RAM. A simple memory test determines
+ * the actually available RAM size between addresses `base' and
+ * `base + maxsize'. Some (not all) hardware errors are detected:
+ * - short between address lines
+ * - short between data lines
+ */
+
+static long int dram_size (long int mamr_value, long int *base,
+						   long int maxsize)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+	volatile long int *addr;
+	ulong cnt, val;
+	ulong save[32];				/* to make test non-destructive */
+	unsigned char i = 0;
+
+	memctl->memc_mamr = mamr_value;
+
+	for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
+		addr = base + cnt;		/* pointer arith! */
+
+		save[i++] = *addr;
+		*addr = ~cnt;
+	}
+
+	/* write 0 to base address */
+	addr = base;
+	save[i] = *addr;
+	*addr = 0;
+
+	/* check at base address */
+	if ((val = *addr) != 0) {
+		*addr = save[i];
+		return (0);
+	}
+
+	for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
+		addr = base + cnt;		/* pointer arith! */
+
+		val = *addr;
+		*addr = save[--i];
+
+		if (val != (~cnt)) {
+			return (cnt * sizeof (long));
+		}
+	}
+	return (maxsize);
+}
+
+/* ------------------------------------------------------------------------- */

board/w7o/cmd_vpd.c

@@ -0,0 +1,60 @@
+/*
+ * (C) Copyright 2001
+ * Erik Theisen, Wave 7 Optics, etheisen@mindspring.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 <command.h>
+
+#if (CONFIG_COMMANDS & CFG_CMD_BSP)
+
+#include "vpd.h"
+#include "cmd_bsp.h"
+
+/* ======================================================================
+ * Interpreter command to retrieve board specific Vital Product Data, "VPD"
+ * ======================================================================
+ */
+int do_vpd (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	VPD vpd;			/* Board specific data struct */
+	uchar dev_addr = CFG_DEF_EEPROM_ADDR;
+
+	/* Validate usage */
+	if (argc > 2) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	/* Passed in EEPROM address */
+	if (argc == 2)
+		dev_addr = (uchar) simple_strtoul (argv[1], NULL, 16);
+
+	/* Read VPD and output it */
+	if (!vpd_get_data (dev_addr, &vpd)) {
+		vpd_print (&vpd);
+		return 0;
+	}
+
+	return 1;
+}
+
+#endif /* (CONFIG_COMMANDS & CFG_CMD_BSP) */

board/walnut405/walnut405.c

@@ -0,0 +1,138 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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
+ */
+long int spd_sdram (void);
+
+#include <common.h>
+#include "walnut405.h"
+#include <asm/processor.h>
+
+
+
+int board_pre_init (void)
+{
+   /*-------------------------------------------------------------------------+
+   | Interrupt controller setup for the Walnut board.
+   | Note: IRQ 0-15  405GP internally generated; active high; level sensitive
+   |       IRQ 16    405GP internally generated; active low; level sensitive
+   |       IRQ 17-24 RESERVED
+   |       IRQ 25 (EXT IRQ 0) FPGA; active high; level sensitive
+   |       IRQ 26 (EXT IRQ 1) SMI; active high; level sensitive
+   |       IRQ 27 (EXT IRQ 2) Not Used
+   |       IRQ 28 (EXT IRQ 3) PCI SLOT 3; active low; level sensitive
+   |       IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
+   |       IRQ 30 (EXT IRQ 5) PCI SLOT 1; active low; level sensitive
+   |       IRQ 31 (EXT IRQ 6) PCI SLOT 0; active low; level sensitive
+   | Note for Walnut board:
+   |       An interrupt taken for the FPGA (IRQ 25) indicates that either
+   |       the Mouse, Keyboard, IRDA, or External Expansion caused the
+   |       interrupt. The FPGA must be read to determine which device
+   |       caused the interrupt. The default setting of the FPGA clears
+   |
+   +-------------------------------------------------------------------------*/
+
+	mtdcr (uicsr, 0xFFFFFFFF);	/* clear all ints */
+	mtdcr (uicer, 0x00000000);	/* disable all ints */
+	mtdcr (uiccr, 0x00000020);	/* set all but FPGA SMI to be non-critical */
+	mtdcr (uicpr, 0xFFFFFFE0);	/* set int polarities */
+	mtdcr (uictr, 0x10000000);	/* set int trigger levels */
+	mtdcr (uicvcr, 0x00000001);	/* set vect base=0,INT0 highest priority */
+	mtdcr (uicsr, 0xFFFFFFFF);	/* clear all ints */
+
+#define mtebc(reg, data)  mtdcr(ebccfga,reg);mtdcr(ebccfgd,data)
+	/* BAS=0xF00,BS=0x0(1MB),BU=0x3(R/W),BW=0x0( 8 bits) */
+	mtebc (pb1ap, 0x02815480);
+	mtebc (pb1cr, 0xF0018000);
+
+	/* BAS=0xF01,BS=0x0(1MB),BU=0x3(R/W),BW=0x0(8 bits) */
+	mtebc (pb2ap, 0x04815A80);
+	mtebc (pb2cr, 0xF0118000);
+
+	/* BAS=0xF02,BS=0x0(1MB),BU=0x3(R/W),BW=0x0( 8 bits) */
+	mtebc (pb3ap, 0x01815280);
+	mtebc (pb3cr, 0xF0218000);
+
+	/* BAS=0xF03,BS=0x0(1MB),BU=0x3(R/W),BW=0x0(8 bits) */
+	mtebc (pb7ap, 0x01815280);
+	mtebc (pb7cr, 0xF0318000);
+
+	/* set UART1 control to select CTS/RTS */
+#define FPGA_BRDC       0xF0300004
+	*(volatile char *) (FPGA_BRDC) |= 0x1;
+
+	return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+	unsigned char *s = getenv ("serial#");
+	unsigned char *e;
+
+	puts ("Board: ");
+
+	if (!s || strncmp (s, "WALNUT405", 9)) {
+		puts ("### No HW ID - assuming WALNUT405");
+	} else {
+		for (e = s; *e; ++e) {
+			if (*e == ' ')
+				break;
+		}
+		for (; s < e; ++s) {
+			putc (*s);
+		}
+	}
+	putc ('\n');
+
+	return (0);
+}
+
+
+/* -------------------------------------------------------------------------
+  initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
+  the necessary info for SDRAM controller configuration
+   ------------------------------------------------------------------------- */
+long int initdram (int board_type)
+{
+	long int ret;
+
+	ret = spd_sdram ();
+	return ret;
+}
+
+/* ------------------------------------------------------------------------- */
+
+int testdram (void)
+{
+	/* TODO: XXX XXX XXX */
+	printf ("test: xxx MB - ok\n");
+
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */

board/westel/amx860/amx860.c

@@ -0,0 +1,93 @@
+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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>
+#include <config.h>
+#include <mpc8xx.h>
+
+/* ------------------------------------------------------------------------- */
+
+#define	_NOT_USED_	0xFFFFFFFF
+
+const uint edo_60ns[] =
+{ 0x8ffbec24, 0x0ff3ec04, 0x0cf3ec04, 0x00f3ec04,
+  0x00f3ec00, 0x37f7ec47, _NOT_USED_, _NOT_USED_,
+  0x8fffec24, 0x0ffbec04, 0x08f3ec04, 0x07f3ec08,
+  0x08f3ec04, 0x07f3ec48, 0x08f3ec04, 0x07f3ec48,
+  0x08f3ec04, 0x07f3ec48, 0x1ff7ec47, _NOT_USED_,
+  _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+  0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x11bfcc47,
+  _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+  0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x03afcc4c,
+  0x0cafcc00, 0x03afcc4c, 0x0cafcc00, 0x03afcc4c,
+  0x0cafcc00, 0x33bfcc4f, _NOT_USED_, _NOT_USED_,
+  _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+  0xc0ffcc84, 0x00ffcc04, 0x07ffcc04, 0x3fffcc06,
+  0xffffcc85, 0xffffcc05, _NOT_USED_, _NOT_USED_,
+  _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+  0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+	puts ("Board: AMX860\n");
+	return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+
+	volatile immap_t     *immap = (immap_t *)CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+	/* AMX860: has 4 Mb of 60ns EDO DRAM, so start DRAM at 0 */
+
+	upmconfig(UPMA, (uint *) edo_60ns, sizeof(edo_60ns)/sizeof(uint));
+
+#ifndef CONFIG_AMX_RAM_EXT
+	memctl->memc_mptpr = 0x0400; /* divide by 16 */
+#else
+	memctl->memc_mptpr = 0x0200;
+#endif
+
+	memctl->memc_mamr = 0x30a21114;
+	memctl->memc_or2 = 0xffc00800;
+#ifndef CONFIG_AMX_RAM_EXT
+	memctl->memc_br2 = 0x81;
+
+	return (4 << 20);
+#else
+	memctl->memc_or1 = 0xff000800;
+	memctl->memc_br1 = 0x00000081;
+	memctl->memc_br2 = 0x01000081;
+
+	return (20 << 20);
+#endif
+}