Patch by Raghu Krishnaprasad, 7 Aug 2003:

add support for Adder II MPC852T module

CHANGELOG

@@ -2,6 +2,9 @@
 Changes for U-Boot 0.4.7:
 ======================================================================
 
+* Patch by Raghu Krishnaprasad, 7 Aug 2003:
+  add support for Adder II MPC852T module
+
 * Patch by George G. Davis, 19 Aug 2003:
   fix TI Innovator/OMAP1510 pin configs
 

MAKEALL

@@ -31,20 +31,21 @@ LIST_5xxx="	\
 #########################################################################
 
 LIST_8xx="	\
-	ADS860		AMX860		c2mon		CCM		\
-	cogent_mpc8xx	ESTEEM192E	ETX094		ELPT860		\
-	FADS823		FADS850SAR	FADS860T	FLAGADM		\
-	FPS850L		GEN860T		GEN860T_SC	GENIETV		\
-	GTH		hermes		IAD210		ICU862_100MHz	\
-	IP860		IVML24		IVML24_128	IVML24_256	\
-	IVMS8		IVMS8_128	IVMS8_256	KUP4K           \
-	LANTEC	        lwmon   	MBX		MBX860T		\
-	MHPC		MPC86xADS	MVS1		NETVIA		\
-	NETVIA_V2	NX823		pcu_e		R360MPI		\
-	RBC823		rmu		RPXClassic	RPXlite		\
-	RRvision	SM850		SPD823TS	svm_sc8xx	\
-	SXNI855T	TOP860		TQM823L		TQM823L_LCD	\
-	TQM850L		TQM855L		TQM860L		v37		\
+	AdderII		ADS860		AMX860		c2mon		\
+	CCM		cogent_mpc8xx	ESTEEM192E	ETX094		\
+	ELPT860		FADS823		FADS850SAR	FADS860T	\
+	FLAGADM		FPS850L		GEN860T		GEN860T_SC	\
+	GENIETV		GTH		hermes		IAD210		\
+	ICU862_100MHz	IP860		IVML24		IVML24_128	\
+	IVML24_256	IVMS8		IVMS8_128	IVMS8_256	\
+	KUP4K           LANTEC	        lwmon   	MBX		\
+	MBX860T		MHPC		MPC86xADS	MVS1		\
+	NETVIA		NETVIA_V2	NX823		pcu_e		\
+	R360MPI		RBC823		rmu		RPXClassic	\
+	RPXlite		RRvision	SM850		SPD823TS	\
+	svm_sc8xx	SXNI855T	TOP860		TQM823L		\
+	TQM823L_LCD	TQM850L		TQM855L		TQM860L		\
+	v37								\
 "
 
 #########################################################################

Makefile

@@ -210,6 +210,9 @@ IceCube_5100_config:		unconfig
 ## MPC8xx Systems
 #########################################################################
 
+AdderII_config:	unconfig
+	@./mkconfig $(@:_config=) ppc mpc8xx adderII
+
 ADS860_config:	unconfig
 	@./mkconfig $(@:_config=) ppc mpc8xx fads
 

board/adderII/Makefile

+#
+# (C) Copyright 2000-2003
+# 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 $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o flash.o
+
+$(LIB):	.depend $(OBJS)
+	$(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################

board/adderII/adderII.c

+/*
+ * (C) Copyright 2000-2003
+ * 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>
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard( void )
+{
+	puts("Board: ");
+	puts("AdderII(MPC852T)\n" );
+
+  	return 0;
+}
+
+#if defined( CONFIG_SDRAM_50MHZ )
+
+/******************************************************************************
+** for chip Samsung K4S643232F - T70
+** this table is for 32-50MHz operation
+*******************************************************************************/
+
+#define SDRAM_MPTPRVALUE 	0x0200
+
+#define SDRAM_MAMRVALUE0 	0x00802114   /* refresh at 32MHz */
+#define SDRAM_MAMRVALUE1 	0x00802118
+
+#define SDRAM_OR1VALUE   	0xff800e00
+#define SDRAM_BR1VALUE   	0x00000081
+
+#define SDRAM_MARVALUE		94
+
+#define SDRAM_MCRVALUE0  	0x80808105
+#define SDRAM_MCRVALUE1  	0x80808130
+
+const uint sdram_table[] = {
+
+	/* single read   (offset 0x00 in upm ram) */
+       	0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xe0bbbc00,
+       	0x10f77c44, 0xf3fffc07, 0xfffffc04, 0xfffffc04,
+
+	/* burst read    (offset 0x08 in upm ram) */
+       	0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xf0affc00,
+       	0xf0affc00, 0xf0affc00, 0xf0affc00, 0x10a77c44,
+       	0xf7bffc47, 0xfffffc35, 0xfffffc34, 0xfffffc35,
+       	0xfffffc35, 0x1ff77c35, 0xfffffc34, 0x1fb57c35,
+
+	/* single write  (offset 0x18 in upm ram) */
+       	0x1f27fc24, 0xe0aebc04, 0x00b93c00, 0x13f77c47,
+       	0xfffdfc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+	/* burst write   (offset 0x20 in upm ram) */
+       	0x1f07fc24, 0xeeaebc00, 0x10ad7c00, 0xf0affc00,
+       	0xf0affc00, 0xe0abbc00, 0x1fb77c47, 0xfffffc04,
+       	0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+       	0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+	/* refresh       (offset 0x30 in upm ram) */
+       	0x1ff5fca4, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+       	0xfffffc84, 0xfffffc07, 0xfffffc04, 0xfffffc04,
+       	0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+	/* exception     (offset 0x3C in upm ram) */
+       	0xfffffc27, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+};
+
+#else
+#error SDRAM not correctly configured
+#endif
+
+int _initsdram (uint base, uint noMbytes)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+	if (noMbytes != 8) {
+		return -1;
+	}
+
+	upmconfig (UPMA, (uint *) sdram_table,
+		   sizeof (sdram_table) / sizeof (uint));
+
+	memctl->memc_mptpr = SDRAM_MPTPRVALUE;
+
+	/* Configure the refresh (mostly).  This needs to be
+	 * based upon processor clock speed and optimized to provide
+	 * the highest level of performance.  For multiple banks,
+	 * this time has to be divided by the number of banks.
+	 * Although it is not clear anywhere, it appears the
+	 * refresh steps through the chip selects for this UPM
+	 * on each refresh cycle.
+	 * We have to be careful changing
+	 * UPM registers after we ask it to run these commands.
+	 */
+
+	memctl->memc_mamr = (SDRAM_MAMRVALUE0 | (SDRAM_MARVALUE << 24));
+	memctl->memc_mar = 0x0;
+	udelay (200);
+
+	/* Now run the precharge/nop/mrs commands.
+	 */
+	memctl->memc_mcr = 0x80002115;
+	udelay (200);
+
+	/* Run 8 refresh cycles */
+	memctl->memc_mcr = 0x80002380;
+	udelay (200);
+
+	memctl->memc_mar = 0x88;
+	udelay (200);
+
+	memctl->memc_mcr = 0x80002116;
+	udelay (200);
+
+	memctl->memc_or1 = SDRAM_OR1VALUE;
+	memctl->memc_br1 = SDRAM_BR1VALUE | base;
+
+	return 0;
+}
+
+void _sdramdisable( void )
+{
+	volatile immap_t     *immap = (immap_t *)CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+	memctl->memc_br1 = 0x00000000;
+
+	/* maybe we should turn off upma here or something */
+}
+
+int initsdram (uint base, uint * noMbytes)
+{
+	uint m = 8;
+
+	*noMbytes = m;
+
+	if (!_initsdram (base, m)) {
+		return 0;
+	} else {
+		_sdramdisable ();
+		return -1;
+	}
+}
+
+long int initdram (int board_type)
+{
+	/* AdderII: has 8MB SDRAM */
+	uint sdramsz;
+	uint m = 0;
+
+	if (!initsdram (0x00000000, &sdramsz)) {
+		m += sdramsz;
+	} else {
+		return -1;
+	}
+	return (m << 20);
+}
+
+int testdram (void)
+{
+	/* TODO: XXX XXX XXX not an actual SDRAM test */
+	printf ("Test: 8MB SDRAM\n");
+
+	return (0);
+}

board/adderII/adderII.h

+/*
+ * (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
+ */
+
+/****************************************************************************
+ * FLASH Memory Map as used by FADS Monitor:
+ *
+ *                          Start Address    Length
+ * +-----------------------+ 0xFE00_0000     Start of Flash -----------------
+ * | MON8xx code           | 0xFE00_0100     Reset Vector
+ * +-----------------------+ 0xFE0?_????
+ * | (unused)              |
+ * +-----------------------+
+ * | 			   |
+ * +-----------------------+
+ * | 			   |
+ * +-----------------------+
+ * | 			   |
+ * +-----------------------+
+ * | 			   |
+ * +=======================+
+ * | 			   |
+ * | ...                   |
+ *****************************************************************************/
+
+

board/adderII/config.mk

+#
+# (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
+#
+
+#
+# AdderII board ( Analogue-Micro )
+#
+
+TEXT_BASE = 0xFE000000
+

board/adderII/flash.c

+/*
+ * (C) Copyright 2000-2003
+ * 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
+ */
+/******************************************************************************
+** Notes: AM29LV320DB - 90EI ( 32 Mbit device )
+** Sectors - Eight 8 Kb sector
+** 	   - Sixty three 64 Kb sector
+** Bottom boot sector
+******************************************************************************/
+#include <common.h>
+#include <mpc8xx.h>
+
+
+/******************************************************************************
+**	Defines
+******************************************************************************/
+#ifdef CONFIG_ADDERII
+
+#define ADDR0	0x0555
+#define ADDR1	0x02AA
+#define FLASH_WORD_SIZE unsigned short
+
+#endif
+
+#if defined( CFG_ENV_IS_IN_FLASH )
+# ifndef  CFG_ENV_ADDR
+#  define CFG_ENV_ADDR  ( CFG_FLASH_BASE + CFG_ENV_OFFSET )
+# endif
+# ifndef  CFG_ENV_SIZE
+#  define CFG_ENV_SIZE  CFG_ENV_SECT_SIZE
+# endif
+# ifndef  CFG_ENV_SECT_SIZE
+#  define CFG_ENV_SECT_SIZE  CFG_ENV_SIZE
+# endif
+#endif
+
+/******************************************************************************
+**	Global Parameters
+******************************************************************************/
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+/******************************************************************************
+**	Function Prototypes
+******************************************************************************/
+static ulong flash_get_size( vu_long *addr, flash_info_t *info );
+
+static int write_word( flash_info_t *info, ulong dest, ulong data );
+
+static void flash_get_offsets( ulong base, flash_info_t *info );
+
+int wait_for_DQ7( flash_info_t *info, int sect );
+
+/******************************************************************************
+** Function :	flash_init
+** Param    :   void
+** Notes    :   Initializes the Flash Chip
+******************************************************************************/
+ulong flash_init (void)
+{
+	ulong size_b0 = -1;
+	int i;
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+	/* Set Flash to unknown */
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
+	}
+
+	/* Get the Flash Bank Size */
+
+	size_b0 = flash_get_size ((vu_long *) (CFG_FLASH_BASE),
+				  &flash_info[0]);
+
+	if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+		printf ("## UNKNOWN Flash on Bank 0 - Size = 0x%08lx = %ldMB\n",
+			size_b0, size_b0 >> 20);
+	}
+
+	/* Remap Flash according to size detected  */
+	memctl->memc_or0 = 0xFF800774;
+	memctl->memc_br0 = CFG_BR0_PRELIM;
+
+	/* Setup Flash Sector Offsets */
+
+	flash_get_offsets (CFG_FLASH_BASE, &flash_info[0]);
+
+	/* Monitor Protection ON - default */
+
+#if ( CFG_MONITOR_BASE >= CFG_FLASH_BASE  )
+	flash_protect (FLAG_PROTECT_SET, CFG_MONITOR_BASE,
+		       (CFG_MONITOR_BASE + monitor_flash_len - 1),
+		       &flash_info[0]);
+#endif
+
+	/* Protect Environment Variables */
+#ifdef CFG_ENV_IS_IN_FLASH
+	flash_protect (FLAG_PROTECT_SET, CFG_ENV_ADDR,
+		       (CFG_ENV_ADDR + CFG_ENV_SIZE - 1), &flash_info[0]);
+#endif
+
+	return size_b0;
+}
+
+/******************************************************************************
+** Function : flash_get_offsets
+** Param    : ulong base, flash_into_t *info
+** Notes    :
+******************************************************************************/
+static void flash_get_offsets (ulong base, flash_info_t * info)
+{
+	return;
+}
+
+
+/******************************************************************************
+** Function : flash_print_info
+** Param    : flash_info_t
+** Notes    :
+******************************************************************************/
+void flash_print_info (flash_info_t * info)
+{
+	int i;
+
+	if (info->flash_id == FLASH_UNKNOWN) {
+		printf ("Missing or unknown flash type\n");
+		return;
+	}
+
+	switch (info->flash_id & FLASH_VENDMASK) {
+	case FLASH_MAN_AMD:
+		printf ("AMD ");
+		break;
+	case FLASH_MAN_FUJ:
+		printf ("FUJITSU ");
+		break;
+	case FLASH_MAN_BM:
+		printf ("BRIGHT MICRO ");
+		break;
+	default:
+		printf ("Unknown Vendor ");
+		break;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FLASH_AM320B:
+		printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
+		break;
+	case FLASH_AM320T:
+		printf ("AM29LV320T (32 Mbit, top boot sector)\n");
+		break;
+	default:
+		printf ("Unknown Chip Type\n");
+		break;
+
+	}
+
+	printf ("  Size: %ld MB in %d Sectors\n", info->size >> 20,
+		info->sector_count);
+	printf ("  Sector Start Addresses:");
+
+	for (i = 0; i < info->sector_count; ++i) {
+		if ((i % 5) == 0) {
+			printf ("\n   ");
+		}
+		printf (" %08lX%s",
+			info->start[i],
+			info->protect[i] ? " (RO)" : "     ");
+	}
+	printf ("\n");
+	return;
+}
+
+/******************************************************************************
+** Function : flash_get_size
+** Param    : vu_long *addr, flash_info_t *info
+** Notes    :
+******************************************************************************/
+static ulong flash_get_size (vu_long * addr, flash_info_t * info)
+{
+	short i;
+	FLASH_WORD_SIZE manu_id, dev_id;
+	ulong base = (ulong) addr;
+	volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *) addr;
+
+	/* Write Auto Select Command and read Manufacturer's ID and Dev ID */
+
+	addr2[ADDR0] = (FLASH_WORD_SIZE) 0xAAAAAAAA;
+	addr2[ADDR1] = (FLASH_WORD_SIZE) 0x55555555;
+	addr2[ADDR0] = (FLASH_WORD_SIZE) 0x90909090;
+
+	manu_id = addr2[0];
+
+	switch (manu_id) {
+	case (FLASH_WORD_SIZE) AMD_MANUFACT:
+		info->flash_id = FLASH_MAN_AMD;
+		break;
+
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0;
+		break;
+	}
+
+	/* Read Device Id */
+	dev_id = addr2[1];
+
+	switch (dev_id) {
+	case (FLASH_WORD_SIZE) AMD_ID_LV320B:
+		info->flash_id += FLASH_AM320B;
+		info->sector_count = 71;	/* 8 - boot sec + 63 normal */
+		info->size = 0x400000;	/* 4MByte */
+		break;
+
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		break;
+	}
+
+	/* Set up sector start Addresses */
+
+	if (info->flash_id & FLASH_BTYPE) {
+		/* set sector offsets for bottom boot block
+		 ** Eight 8 Kb Boot sectors
+		 ** Sixty Three 64Kb sectors
+		 */
+		for (i = 0; i < 8; i++) {
+			info->start[i] = base + (i * 0x00002000);
+		}
+		for (i = 8; i < info->sector_count; i++) {
+			info->start[i] = base + (i * 0x00010000) - 0x00070000;
+		}
+	}
+
+	/* Reset To read mode */
+
+	if (info->flash_id != FLASH_UNKNOWN) {
+		addr = (ulong *) info->start[0];
+		*addr = 0xF0F0F0F0;
+	}
+	return (info->size);
+}
+
+/*******************************************************************************
+** Function : flash_erase
+** Param    : flash_info_t *info, int s_first, int s_last
+** Notes    :
+******************************************************************************/
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+	volatile FLASH_WORD_SIZE *addr</