* Patch by Andre Schwarz, 24 Nov 2003:

  add support for mvblue (mvBlueLYNX and mvBlueBOX) boards

* Patch by Pavel Bartusek, 21 Nov 2003:
  set ZMII bridge speed on 440

* Patch by Anders Larsen, 17 Nov 2003:
  Fix mismatched #ifdef / #endif in include/asm-arm/arch-pxa/hardware.h

1 files changed, 583 insertions, 0 deletions

diff --git a/board/mvblue/flash.c b/board/mvblue/flash.c
new file mode 100644
index 000000000..8df573aa0
--- /dev/null
+++ b/board/mvblue/flash.c
@@ -0,0 +1,583 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ * (C) Copyright 2001-2003
+ *
+ * Changes for MATRIX Vision mvBLUE devices
+ * MATRIX Vision GmbH / hg,as info@matrix-vision.de
+ *
+ * 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 <mpc824x.h>
+
+#if 0
+	#define mvdebug(p) printf ##p
+#else
+	#define mvdebug(p)
+#endif
+
+flash_info_t	flash_info[CFG_MAX_FLASH_BANKS];
+
+#define FLASH_BUS_WIDTH		8
+
+#if (FLASH_BUS_WIDTH==32)
+	#define FLASH_DATA_MASK 0xffffffff
+	#define FLASH_SHIFT 1
+	#define FDT	vu_long
+#elif (FLASH_BUS_WIDTH==16)
+	#define FLASH_DATA_MASK 0xff
+	#define FLASH_SHIFT 0
+	#define FDT	vu_short
+#elif (FLASH_BUS_WIDTH==8)
+	#define FLASH_DATA_MASK 0xff
+	#define FLASH_SHIFT 0
+	#define FDT	vu_char
+#else
+	#error FLASH_BUS_WIDTH undefined
+#endif
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (vu_long *address, 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);
+
+/*-----------------------------------------------------------------------
+ */
+unsigned long flash_init (void)
+{
+	unsigned long size_b0;
+	int i;
+
+	for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
+	}
+
+	size_b0 = flash_get_size((vu_long *)0xffc00000, &flash_info[0]);
+
+	if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+		printf ("## Unknown FLASH : Size = 0x%08lx = %ld MB\n",
+			size_b0, size_b0<<20);
+	}
+
+	flash_get_offsets (0xffc00000, &flash_info[0]);
+	flash_info[0].size = size_b0;
+
+	/* monitor protection OFF by default */
+	flash_protect ( FLAG_PROTECT_CLEAR, 0xffc00000, 0x2000, flash_info );
+
+	return size_b0;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t *info)
+{
+	int i;
+
+	/* set up sector start address table */
+	if (info->flash_id & FLASH_BTYPE)
+	{	/* bottom boot sector types - these are the useful ones! */
+		/* set sector offsets for bottom boot block type */
+		if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B)
+		{	/* AMDLV320B has 8 x 8k bottom boot sectors */
+			for (i = 0; i < 8; i++)												/* +8k		*/
+				info->start[i] = base + (i * (0x00002000 << FLASH_SHIFT));
+			for (; i < info->sector_count; i++)									/* +64k		*/
+				info->start[i] = base + (i * (0x00010000 << FLASH_SHIFT)) - (0x00070000 << FLASH_SHIFT);
+		}
+		else
+		{	/* other types have 4 bottom boot sectors (16,8,8,32) */
+			i = 0;
+			info->start[i++] = base +  0x00000000;								/* -		*/
+			info->start[i++] = base + (0x00004000 << FLASH_SHIFT);				/* +16k		*/
+			info->start[i++] = base + (0x00006000 << FLASH_SHIFT);				/* +8k		*/
+			info->start[i++] = base + (0x00008000 << FLASH_SHIFT);				/* +8k		*/
+			info->start[i++] = base + (0x00010000 << FLASH_SHIFT);				/* +32k		*/
+			for (; i < info->sector_count; i++)									/* +64k		*/
+				info->start[i] = base + (i * (0x00010000 << FLASH_SHIFT)) - (0x00030000 << FLASH_SHIFT);
+		}
+	}
+	else
+	{	/* top boot sector types - not so useful */
+		/* set sector offsets for top boot block type */
+		if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T)
+		{	/* AMDLV320T has 8 x 8k top boot sectors */
+			for (i = 0; i < info->sector_count - 8; i++)						/* +64k		*/
+				info->start[i] = base + (i * (0x00010000 << FLASH_SHIFT));
+			for (; i < info->sector_count; i++)									/* +8k		*/
+				info->start[i] = base + (i * (0x00002000 << FLASH_SHIFT));
+		}
+		else
+		{	/* other types have 4 top boot sectors (32,8,8,16) */
+			for (i = 0; i < info->sector_count - 4; i++)						/* +64k		*/
+				info->start[i] = base + (i * (0x00010000 << FLASH_SHIFT));
+
+			info->start[i++] = base + info->size - (0x00010000 << FLASH_SHIFT);	/* -32k		*/
+			info->start[i++] = base + info->size - (0x00008000 << FLASH_SHIFT);	/* -8k		*/
+			info->start[i++] = base + info->size - (0x00006000 << FLASH_SHIFT);	/* -8k		*/
+			info->start[i]   = base + info->size - (0x00004000 << FLASH_SHIFT);	/* -16k		*/
+		}
+	}
+}
+
+/*-----------------------------------------------------------------------
+ */
+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_STM:	printf ("ST ");			break;
+	default:		printf ("Unknown Vendor ");	break;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FLASH_AM160B:	printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
+				break;
+	case FLASH_AM160T:	printf ("AM29LV160T (16 Mbit, top boot sector)\n");
+				break;
+	case FLASH_AM320B:	printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
+				break;
+	case FLASH_AM320T:	printf ("AM29LV320T (32 Mbit, top boot sector)\n");
+				break;
+	case FLASH_STMW320DB:	printf ("M29W320B (32 Mbit, bottom boot sect)\n");
+				break;
+	case FLASH_STMW320DT:	printf ("M29W320T (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");
+}
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+
+#define	AMD_ID_LV160T_MVS	(AMD_ID_LV160T & FLASH_DATA_MASK)
+#define AMD_ID_LV160B_MVS	(AMD_ID_LV160B & FLASH_DATA_MASK)
+#define AMD_ID_LV320T_MVS	(AMD_ID_LV320T & FLASH_DATA_MASK)
+#define AMD_ID_LV320B_MVS	(AMD_ID_LV320B & FLASH_DATA_MASK)
+#define STM_ID_W320DT_MVS	(STM_ID_29W320DT & FLASH_DATA_MASK)
+#define STM_ID_W320DB_MVS	(STM_ID_29W320DB & FLASH_DATA_MASK)
+#define AMD_MANUFACT_MVS	(AMD_MANUFACT  & FLASH_DATA_MASK)
+#define FUJ_MANUFACT_MVS	(FUJ_MANUFACT  & FLASH_DATA_MASK)
+#define STM_MANUFACT_MVS	(STM_MANUFACT  & FLASH_DATA_MASK)
+
+#if (FLASH_BUS_WIDTH >= 16)
+	#define AUTOSELECT_ADDR1	0x0555
+	#define AUTOSELECT_ADDR2	0x02AA
+	#define AUTOSELECT_ADDR3	AUTOSELECT_ADDR1
+#else
+	#define AUTOSELECT_ADDR1	0x0AAA
+	#define AUTOSELECT_ADDR2	0x0555
+	#define AUTOSELECT_ADDR3	AUTOSELECT_ADDR1
+#endif
+
+#define AUTOSELECT_DATA1	(0x00AA00AA & FLASH_DATA_MASK)
+#define AUTOSELECT_DATA2	(0x00550055 & FLASH_DATA_MASK)
+#define AUTOSELECT_DATA3	(0x00900090 & FLASH_DATA_MASK)
+
+#define RESET_BANK_DATA		(0x00F000F0 & FLASH_DATA_MASK)
+
+
+static ulong flash_get_size (vu_long *address, flash_info_t *info)
+{
+	short i;
+	FDT value;
+	FDT *addr = (FDT *)address;
+
+	ulong base = (ulong)address;
+	addr[AUTOSELECT_ADDR1] = AUTOSELECT_DATA1;
+	addr[AUTOSELECT_ADDR2] = AUTOSELECT_DATA2;
+	addr[AUTOSELECT_ADDR3] = AUTOSELECT_DATA3;
+	__asm__ __volatile__("sync");
+
+	udelay(180);
+
+	value = addr[0];			/* manufacturer ID	*/
+	switch (value) {
+	case AMD_MANUFACT_MVS:
+		info->flash_id = FLASH_MAN_AMD;
+		break;
+	case FUJ_MANUFACT_MVS:
+		info->flash_id = FLASH_MAN_FUJ;
+		break;
+	case STM_MANUFACT_MVS:
+		info->flash_id = FLASH_MAN_STM;
+		break;
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0;
+		return (0);			/* no or unknown flash	*/
+	}
+#if (FLASH_BUS_WIDTH >= 16)
+	value = addr[1];			/* device ID		*/
+#else
+	value = addr[2];			/* device ID		*/
+#endif
+
+	switch (value) {
+	case AMD_ID_LV160T_MVS:
+		info->flash_id += FLASH_AM160T;
+		info->sector_count = 37;
+		info->size = (0x00200000 << FLASH_SHIFT);
+		break;				/* => 2 or 4 MB		*/
+
+	case AMD_ID_LV160B_MVS:
+		info->flash_id += FLASH_AM160B;
+		info->sector_count = 37;
+		info->size = (0x00200000 << FLASH_SHIFT);
+		break;				/* => 2 or 4 MB		*/
+
+	case AMD_ID_LV320T_MVS:
+		info->flash_id += FLASH_AM320T;
+		info->sector_count = 71;
+		info->size = (0x00400000 << FLASH_SHIFT);
+		break;				/* => 4 or 8 MB		*/
+
+	case AMD_ID_LV320B_MVS:
+		info->flash_id += FLASH_AM320B;
+		info->sector_count = 71;
+		info->size = (0x00400000 << FLASH_SHIFT);
+		break;				/* => 4 or 8MB		*/
+
+	case STM_ID_W320DT_MVS:
+		info->flash_id += FLASH_STMW320DT;
+		info->sector_count = 67;
+		info->size = (0x00400000 << FLASH_SHIFT);
+		break;				/* => 4 or 8 MB		*/
+
+	case STM_ID_W320DB_MVS:
+		info->flash_id += FLASH_STMW320DB;
+		info->sector_count = 67;
+		info->size = (0x00400000 << FLASH_SHIFT);
+		break;				/* => 4 or 8MB		*/
+
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		return (0);			/* => no or unknown flash */
+
+	}
+
+	/* set up sector start address table */
+	flash_get_offsets (base, info);
+
+	/* check for protected sectors */
+	for (i = 0; i < info->sector_count; i++) {
+		/* read sector protection at sector address, (A7 .. A0) = 0x02 */
+		/* D0 = 1 if protected */
+		addr = (FDT *)(info->start[i]);
+		info->protect[i] = addr[2] & 1;
+	}
+
+	/*
+	 * Prevent writes to uninitialized FLASH.
+	 */
+	if (info->flash_id != FLASH_UNKNOWN) {
+		addr = (FDT *)info->start[0];
+		*addr = RESET_BANK_DATA;	/* reset bank */
+	}
+	return (info->size);
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+#if (FLASH_BUS_WIDTH >= 16)
+	#define ERASE_ADDR1 0x0555
+	#define ERASE_ADDR2 0x02AA
+#else
+	#define ERASE_ADDR1 0x0AAA
+	#define ERASE_ADDR2 0x0555
+#endif
+
+#define ERASE_ADDR3 ERASE_ADDR1
+#define ERASE_ADDR4 ERASE_ADDR1
+#define ERASE_ADDR5 ERASE_ADDR2
+
+#define ERASE_DATA1 (0x00AA00AA & FLASH_DATA_MASK)
+#define ERASE_DATA2 (0x00550055 & FLASH_DATA_MASK)
+#define ERASE_DATA3 (0x00800080 & FLASH_DATA_MASK)
+#define ERASE_DATA4 ERASE_DATA1
+#define ERASE_DATA5 ERASE_DATA2
+
+#define ERASE_SECTOR_DATA 	(0x00300030 & FLASH_DATA_MASK)
+#define ERASE_CHIP_DATA 	(0x00100010 & FLASH_DATA_MASK)
+#define ERASE_CONFIRM_DATA 	(0x00800080 & FLASH_DATA_MASK)
+
+int	flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+	FDT *addr = (FDT *)(info->start[0]);
+
+	int prot, sect, l_sect, flag;
+	ulong start, now, last;
+
+	__asm__ __volatile__ ("sync");
+	addr[0] = 0xf0;
+	udelay(1000);
+
+	printf("\nflash_erase: first = %d @ 0x%08lx\n", s_first, info->start[s_first] );
+	printf("             last  = %d @ 0x%08lx\n", s_last , info->start[s_last ] );
+
+	if ((s_first < 0) || (s_first > s_last)) {
+		if (info->flash_id == FLASH_UNKNOWN) {
+			printf ("- missing\n");
+		} else {
+			printf ("- no sectors to erase\n");
+		}
+		return 1;
+	}
+
+	if ((info->flash_id == FLASH_UNKNOWN) || (info->flash_id > FLASH_AMD_COMP)) {
+		printf ("Can't erase unknown flash type %08lx - aborted\n", info->flash_id);
+		return 1;
+	}
+
+	prot = 0;
+	for (sect=s_first; sect<=s_last; ++sect) {
+		if (info->protect[sect]) {
+			prot++;
+		}
+	}
+
+	if (prot) {
+		printf ("- Warning: %d protected sectors will not be erased!\n",
+			prot);
+	} else {
+		printf ("\n");
+	}
+
+	l_sect = -1;
+
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+	addr[ERASE_ADDR1] = ERASE_DATA1;
+	addr[ERASE_ADDR2] = ERASE_DATA2;
+	addr[ERASE_ADDR3] = ERASE_DATA3;
+	addr[ERASE_ADDR4] = ERASE_DATA4;
+	addr[ERASE_ADDR5] = ERASE_DATA5;
+
+	for (sect = s_first; sect <= s_last; sect++) {
+		if (info->protect[sect] == 0) {
+			addr = (FDT *)(info->start[sect]);
+			addr[0] = ERASE_SECTOR_DATA;
+			l_sect = sect;
+		}
+	}
+
+	if (flag)
+		enable_interrupts();
+
+	/*
+	 * We wait for the last triggered sector
+	 */
+	if (l_sect < 0)
+		goto DONE;
+
+	start = get_timer (0);
+	last  = start;
+	addr = (FDT *)(info->start[l_sect]);
+
+	while ((addr[0] & ERASE_CONFIRM_DATA) != ERASE_CONFIRM_DATA) {
+		if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+			printf ("Timeout\n");
+			return 1;
+		}
+		/* show that we're waiting */
+		if ((now - last) > 1000) {	/* every second */
+			putc ('.');
+			last = now;
+		}
+	}
+
+DONE:
+	printf (" done\n");
+	return 0;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+
+int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+#define BUFF_INC 4
+	ulong cp, wp, data;
+	int i, l, rc;
+
+	mvdebug (("+write_buff %p ==> 0x%08lx, count = 0x%08lx\n", src, addr, cnt));
+
+	wp = (addr & ~3);	/* get lower word aligned address */
+	/*
+	 * handle unaligned start bytes
+	 */
+	if ((l = addr - wp) != 0) {
+		mvdebug ((" handle unaligned start bytes (cnt = 0x%08lx)\n", cnt));
+		data = 0;
+		for (i=0, cp=wp; i<l; ++i, ++cp) {
+			data = (data << 8) | (*(uchar *)cp);
+		}
+		for (; i<BUFF_INC && cnt>0; ++i) {
+			data = (data << 8) | *src++;
+			--cnt;
+			++cp;
+		}
+		for (; cnt==0 && i<BUFF_INC; ++i, ++cp) {
+			data = (data << 8) | (*(uchar *)cp);
+		}
+
+		if ((rc = write_word(info, wp, data)) != 0) {
+			return (rc);
+		}
+		wp += BUFF_INC;
+	}
+
+	/*
+	 * handle (half)word aligned part
+	 */
+	mvdebug ((" handle word aligned part (cnt = 0x%08lx)\n", cnt));
+	while (cnt >= BUFF_INC) {
+		data = 0;
+		for (i=0; i<BUFF_INC; ++i) {
+			data = (data << 8) | *src++;
+		}
+		if ((rc = write_word(info, wp, data)) != 0) {
+			return (rc);
+		}
+		wp  += BUFF_INC;
+		cnt -= BUFF_INC;
+	}
+
+	if (cnt == 0) {
+		return (0);
+	}
+
+	/*
+	 * handle unaligned tail bytes
+	 */
+	mvdebug ((" handle unaligned tail bytes (cnt = 0x%08lx)\n", cnt));
+	data = 0;
+	for (i=0, cp=wp; i<BUFF_INC && cnt>0; ++i, ++cp) {
+		data = (data << 8) | *src++;
+		--cnt;
+	}
+	for (; i<BUFF_INC; ++i, ++cp) {
+		data = (data << 8) | (*(uchar *)cp);
+	}
+
+	return (write_word(info, wp, data));
+}
+
+#if (FLASH_BUS_WIDTH >= 16)
+	#define WRITE_ADDR1 0x0555
+	#define WRITE_ADDR2 0x02AA
+#else
+	#define WRITE_ADDR1 0x0AAA
+	#define WRITE_ADDR2 0x0555
+	#define WRITE_ADDR3 WRITE_ADDR1
+#endif
+
+#define WRITE_DATA1 (0x00AA00AA & FLASH_DATA_MASK)
+#define WRITE_DATA2 (0x00550055 & FLASH_DATA_MASK)
+#define WRITE_DATA3 (0x00A000A0 & FLASH_DATA_MASK)
+
+#define WRITE_CONFIRM_DATA ERASE_CONFIRM_DATA
+
+/*-----------------------------------------------------------------------
+ * Write a byte to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_char (flash_info_t *info, ulong dest, uchar data)
+{
+	vu_char *addr = (vu_char *)(info->start[0]);
+	ulong start;
+	int flag;
+
+	/* Check if Flash is (sufficiently) erased */
+	if ((*((vu_char *)dest) & data) != data) {
+		printf(" *** ERROR: Flash not erased !\n");
+		return (2);
+	}
+	flag = disable_interrupts();
+
+	addr[WRITE_ADDR1] = WRITE_DATA1;
+	addr[WRITE_ADDR2] = WRITE_DATA2;
+	addr[WRITE_ADDR3] = WRITE_DATA3;
+	*((vu_char *)dest) = data;
+
+	if (flag)
+		enable_interrupts();
+
+	/* data polling for D7 */
+	start = get_timer (0);
+	addr = (vu_char *)dest;
+	while (( (*addr) & WRITE_CONFIRM_DATA) != (data & WRITE_CONFIRM_DATA)) {
+		if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+			printf(" *** ERROR: Flash write timeout !");
+			return (1);
+		}
+	}
+ 	mvdebug (("-write_byte\n"));
+	return (0);
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word (flash_info_t *info, ulong dest, ulong data)
+{
+	int i,
+		result = 0;
+
+	mvdebug (("+write_word : 0x%08lx @ 0x%08lx\n", data, dest));
+	for ( i=0; (i < 4) && (result == 0); i++, dest+=1 )
+		result = write_char (info, dest, (data >> (8*(3-i))) & 0xff );
+ 	mvdebug (("-write_word\n"));
+	return result;
+}
+/*---------------------------------------------------------------- */