Add Barco Streaming Video Card (SVC) and Sample Compress Network (SCN) board

Patch by Marc Leeman, 04 Mar 2005

1 files changed, 611 insertions, 0 deletions

diff --git a/board/barco/flash.c b/board/barco/flash.c
new file mode 100644
index 0000000..6cb19b7
--- /dev/null
+++ b/board/barco/flash.c
@@ -0,0 +1,611 @@
+/********************************************************************
+ *
+ * Unless otherwise specified, Copyright (C) 2004-2005 Barco Control Rooms
+ *
+ * $Source: /home/services/cvs/firmware/ppc/u-boot-1.1.2/board/barco/flash.c,v $
+ * $Revision: 1.3 $
+ * $Author: mleeman $
+ * $Date: 2005/02/21 12:48:58 $
+ *
+ * Last ChangeLog Entry
+ * $Log: flash.c,v $
+ * Revision 1.3  2005/02/21 12:48:58  mleeman
+ * update of copyright years (feedback wd)
+ *
+ * Revision 1.2  2005/02/21 11:04:04  mleeman
+ * remove dead code and Coding style (feedback wd)
+ *
+ * Revision 1.1  2005/02/14 09:23:46  mleeman
+ * - moved 'barcohydra' directory to a more generic barco; since we will be
+ *   supporting and adding multiple boards
+ *
+ * Revision 1.2  2005/02/09 12:56:23  mleeman
+ * add generic header to track changes in sources
+ *
+ *
+ *******************************************************************/
+
+/*
+ * (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
+ */
+
+#include <common.h>
+#include <mpc824x.h>
+#include <asm/processor.h>
+#include <flash.h>
+
+#define ROM_CS0_START	0xFF800000
+#define ROM_CS1_START	0xFF000000
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips    */
+
+#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
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static int write_word (flash_info_t *info, ulong dest, ulong data);
+
+/*flash command address offsets*/
+
+#define ADDR0		(0xAAA)
+#define ADDR1		(0x555)
+#define ADDR3		(0x001)
+
+#define FLASH_WORD_SIZE unsigned char
+
+/*-----------------------------------------------------------------------
+ */
+
+static unsigned long flash_id(unsigned char mfct, unsigned char chip) __attribute__ ((const));
+
+typedef struct{
+  FLASH_WORD_SIZE extval;
+  unsigned short intval;
+} map_entry;
+
+static unsigned long flash_id(unsigned char mfct, unsigned char chip)
+{
+	static const map_entry mfct_map[] = {
+		{(FLASH_WORD_SIZE) AMD_MANUFACT,	(unsigned short) ((unsigned long) FLASH_MAN_AMD >> 16)},
+		{(FLASH_WORD_SIZE) FUJ_MANUFACT,	(unsigned short) ((unsigned long) FLASH_MAN_FUJ >> 16)},
+		{(FLASH_WORD_SIZE) STM_MANUFACT,	(unsigned short) ((unsigned long) FLASH_MAN_STM >> 16)},
+		{(FLASH_WORD_SIZE) MT_MANUFACT,	(unsigned short) ((unsigned long) FLASH_MAN_MT >> 16)},
+		{(FLASH_WORD_SIZE) INTEL_MANUFACT,(unsigned short) ((unsigned long) FLASH_MAN_INTEL >> 16)},
+		{(FLASH_WORD_SIZE) INTEL_ALT_MANU,(unsigned short) ((unsigned long) FLASH_MAN_INTEL >> 16)}
+	};
+
+	static const map_entry chip_map[] = {
+		{AMD_ID_F040B,	FLASH_AM040},
+		{AMD_ID_F033C,	FLASH_AM033},
+		{AMD_ID_F065D,	FLASH_AM065},
+		{ATM_ID_LV040,	FLASH_AT040},
+		{(FLASH_WORD_SIZE) STM_ID_x800AB,	FLASH_STM800AB}
+	};
+
+	const map_entry *p;
+	unsigned long result = FLASH_UNKNOWN;
+
+	/* find chip id */
+	for(p = &chip_map[0]; p < &chip_map[sizeof chip_map / sizeof chip_map[0]]; p++){
+		if(p->extval == chip){
+			result = FLASH_VENDMASK | p->intval;
+			break;
+		}
+	}
+
+	/* find vendor id */
+	for(p = &mfct_map[0]; p < &mfct_map[sizeof mfct_map / sizeof mfct_map[0]]; p++){
+		if(p->extval == mfct){
+			result &= ~FLASH_VENDMASK;
+			result |= (unsigned long) p->intval << 16;
+			break;
+		}
+	}
+
+	return result;
+}
+
+
+unsigned long flash_init(void)
+{
+	unsigned long i;
+	unsigned char j;
+	static const ulong flash_banks[] = CFG_FLASH_BANKS;
+
+	/* Init: no FLASHes known */
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; i++){
+		flash_info_t * const pflinfo = &flash_info[i];
+		pflinfo->flash_id = FLASH_UNKNOWN;
+		pflinfo->size = 0;
+		pflinfo->sector_count = 0;
+	}
+
+	/* Enable writes to Hydra/Argus flash */
+	{
+		register unsigned int temp;
+		CONFIG_READ_WORD(PICR1,temp);
+		temp |= PICR1_FLASH_WR_EN;
+		CONFIG_WRITE_WORD(PICR1,temp);
+	}
+
+	for(i = 0; i < sizeof flash_banks / sizeof flash_banks[0]; i++){
+		flash_info_t * const pflinfo = &flash_info[i];
+		const unsigned long base_address = flash_banks[i];
+		volatile FLASH_WORD_SIZE * const flash = (FLASH_WORD_SIZE *) base_address;
+
+		/* write autoselect sequence */
+		flash[0x5555] = 0xaa;
+		flash[0x2aaa] = 0x55;
+		flash[0x5555] = 0x90;
+		__asm__ __volatile__("sync");
+
+		pflinfo->flash_id = flash_id(flash[0x0], flash[0x1]);
+
+		switch(pflinfo->flash_id & FLASH_TYPEMASK){
+			case FLASH_AM033:
+				pflinfo->size = 0x00200000;
+				pflinfo->sector_count = 64;
+				for(j = 0; j < 64; j++){
+					pflinfo->start[j] = base_address + 0x00010000 * j;
+					pflinfo->protect[j] = flash[(j << 16) | 0x2];
+				}
+				break;
+			case FLASH_AM065:
+				pflinfo->size = 0x00800000;
+				pflinfo->sector_count =128;
+				for(j = 0; j < 128; j++){
+					pflinfo->start[j] = base_address + 0x00010000 * j;
+					pflinfo->protect[j] = flash[(j << 16) | 0x2];
+				}
+				break;
+			case FLASH_AT040:
+				pflinfo->size = 0x00080000;
+				pflinfo->sector_count = 2;
+				pflinfo->start[0] = base_address ;
+				pflinfo->start[1] = base_address + 0x00004000;
+				pflinfo->protect[0] = ((flash[0x02] & 0X01)==0) ? 0X02 : 0X01;
+				pflinfo->protect[1] = 0X02;
+				break;
+			case FLASH_AM040:
+				pflinfo->size = 0x00080000;
+				pflinfo->sector_count = 8;
+				for(j = 0; j < 8; j++){
+					pflinfo->start[j] = base_address + 0x00010000 * j;
+					pflinfo->protect[j] = flash[(j << 16) | 0x2];
+				}
+				break;
+			case FLASH_STM800AB:
+				pflinfo->size = 0x00100000;
+				pflinfo->sector_count = 19;
+				pflinfo->start[0] = base_address;
+				pflinfo->start[1] = base_address + 0x4000;
+				pflinfo->start[2] = base_address + 0x6000;
+				pflinfo->start[3] = base_address + 0x8000;
+				for(j = 1; j < 16; j++){
+					pflinfo->start[j+3] = base_address + 0x00010000 * j;
+				}
+				break;
+		}
+		/* Protect monitor and environment sectors */
+#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
+
+#if (CFG_ENV_IS_IN_FLASH == 1) && defined(CFG_ENV_ADDR)
+		flash_protect(FLAG_PROTECT_SET,
+				CFG_ENV_ADDR,
+				CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
+				&flash_info[0]);
+#endif
+
+		/* reset device to read mode */
+		flash[0x0000] = 0xf0;
+		__asm__ __volatile__("sync");
+	}
+
+	return flash_info[0].size + flash_info[1].size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info(flash_info_t *info)
+{
+	static const char unk[] = "Unknown";
+	const char *mfct = unk, *type = unk;
+	unsigned int i;
+
+	if(info->flash_id != FLASH_UNKNOWN){
+		switch(info->flash_id & FLASH_VENDMASK){
+			case FLASH_MAN_ATM:
+				mfct = "Atmel";
+				break;
+			case FLASH_MAN_AMD:
+				mfct = "AMD";
+				break;
+			case FLASH_MAN_FUJ:
+				mfct = "FUJITSU";
+				break;
+			case FLASH_MAN_STM:
+				mfct = "STM";
+				break;
+			case FLASH_MAN_SST:
+				mfct = "SST";
+				break;
+			case FLASH_MAN_BM:
+				mfct = "Bright Microelectonics";
+				break;
+			case FLASH_MAN_INTEL:
+				mfct = "Intel";
+				break;
+		}
+
+		switch(info->flash_id & FLASH_TYPEMASK){
+			case FLASH_AT040:
+				type = "AT49LV040 (512K * 8, uniform sector size)";
+				break;
+			case FLASH_AM033:
+				type = "AM29F033C (4 Mbit * 8, uniform sector size)";
+				break;
+			case FLASH_AM040:
+				type = "AM29F040B (512K * 8, uniform sector size)";
+				break;
+			case FLASH_AM065:
+				type = "AM29F0465D ( 8 MBit * 8, uniform sector size) or part of AM29F652D( 16 MB)";
+				break;
+			case FLASH_AM400B:
+				type = "AM29LV400B (4 Mbit, bottom boot sect)";
+				break;
+			case FLASH_AM400T:
+				type = "AM29LV400T (4 Mbit, top boot sector)";
+				break;
+			case FLASH_AM800B:
+				type = "AM29LV800B (8 Mbit, bottom boot sect)";
+				break;
+			case FLASH_AM800T:
+				type = "AM29LV800T (8 Mbit, top boot sector)";
+				break;
+			case FLASH_AM160T:
+				type = "AM29LV160T (16 Mbit, top boot sector)";
+				break;
+			case FLASH_AM320B:
+				type = "AM29LV320B (32 Mbit, bottom boot sect)";
+				break;
+			case FLASH_AM320T:
+				type = "AM29LV320T (32 Mbit, top boot sector)";
+				break;
+			case FLASH_STM800AB:
+				type = "M29W800AB (8 Mbit, bottom boot sect)";
+				break;
+			case FLASH_SST800A:
+				type = "SST39LF/VF800 (8 Mbit, uniform sector size)";
+				break;
+			case FLASH_SST160A:
+				type = "SST39LF/VF160 (16 Mbit, uniform sector size)";
+				break;
+		}
+	}
+
+	printf(
+			"\n  Brand: %s Type: %s\n"
+			"  Size: %lu KB in %d Sectors\n",
+			mfct,
+			type,
+			info->size >> 10,
+			info->sector_count
+	      );
+
+	printf ("  Sector Start Addresses:");
+
+	for (i = 0; i < info->sector_count; i++){
+		unsigned long size;
+		unsigned int erased;
+		unsigned long * flash = (unsigned long *) info->start[i];
+
+		/*
+		 * Check if whole sector is erased
+		 */
+		size =
+			(i != (info->sector_count - 1)) ?
+			(info->start[i + 1] - info->start[i]) >> 2 :
+			(info->start[0] + info->size - info->start[i]) >> 2;
+
+		for(
+				flash = (unsigned long *) info->start[i], erased = 1;
+				(flash != (unsigned long *) info->start[i] + size) && erased;
+				flash++
+		   ){
+			erased = *flash == ~0x0UL;
+		}
+
+		printf(
+				"%s %08lX %s %s",
+				(i % 5) ? "" : "\n   ",
+				info->start[i],
+				erased ? "E" : " ",
+				info->protect[i] ? "RO" : "  "
+		      );
+	}
+
+	puts("\n");
+	return;
+}
+
+int flash_erase(flash_info_t *info, int s_first, int s_last)
+{
+	volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
+	int flag, prot, sect, l_sect;
+	ulong start, now, last;
+	unsigned char sh8b;
+
+	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_MAN_STM | FLASH_AMD_COMP))) {
+		printf ("Can't erase unknown flash type - aborted\n");
+		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;
+
+	/* Check the ROM CS */
+	if ((info->start[0] >= ROM_CS1_START) && (info->start[0] < ROM_CS0_START)){
+		sh8b = 3;
+	}
+	else{
+		sh8b = 0;
+	}
+
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+	addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
+	addr[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
+	addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00800080;
+	addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
+	addr[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
+
+	/* Start erase on unprotected sectors */
+	for (sect = s_first; sect<=s_last; sect++) {
+		if (info->protect[sect] == 0) { /* not protected */
+			addr = (FLASH_WORD_SIZE *)(info->start[0] + (
+						(info->start[sect] - info->start[0]) << sh8b));
+			if (info->flash_id & FLASH_MAN_SST){
+				addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
+				addr[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
+				addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00800080;
+				addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
+				addr[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
+				addr[0] = (FLASH_WORD_SIZE)0x00500050;  /* block erase */
+				udelay(30000);  /* wait 30 ms */
+			}
+			else
+				addr[0] = (FLASH_WORD_SIZE)0x00300030;  /* sector erase */
+			l_sect = sect;
+		}
+	}
+
+	/* re-enable interrupts if necessary */
+	if (flag){
+		enable_interrupts();
+	}
+
+	/* wait at least 80us - let's wait 1 ms */
+	udelay (1000);
+
+	/*
+	 * We wait for the last triggered sector
+	 */
+	if (l_sect < 0){
+		goto DONE;
+	}
+
+	start = get_timer (0);
+	last  = start;
+	addr = (FLASH_WORD_SIZE *)(info->start[0] + (
+				(info->start[l_sect] - info->start[0]) << sh8b));
+	while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
+		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 */
+			serial_putc ('.');
+			last = now;
+		}
+	}
+
+DONE:
+	/* reset to read mode */
+	addr = (FLASH_WORD_SIZE *)info->start[0];
+	addr[0] = (FLASH_WORD_SIZE)0x00F000F0;  /* reset bank */
+
+	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)
+{
+	ulong cp, wp, data;
+	int i, l, rc;
+
+	wp = (addr & ~3);   /* get lower word aligned address */
+
+	/*
+	 * handle unaligned start bytes
+	 */
+	if ((l = addr - wp) != 0) {
+		data = 0;
+		for (i=0, cp=wp; i<l; ++i, ++cp) {
+			data = (data << 8) | (*(uchar *)cp);
+		}
+		for (; i<4 && cnt>0; ++i) {
+			data = (data << 8) | *src++;
+			--cnt;
+			++cp;
+		}
+		for (; cnt==0 && i<4; ++i, ++cp) {
+			data = (data << 8) | (*(uchar *)cp);
+		}
+
+		if ((rc = write_word(info, wp, data)) != 0) {
+			return (rc);
+		}
+		wp += 4;
+	}
+
+	/*
+	 * handle word aligned part
+	 */
+	while (cnt >= 4) {
+		data = 0;
+		for (i=0; i<4; ++i) {
+			data = (data << 8) | *src++;
+		}
+		if ((rc = write_word(info, wp, data)) != 0) {
+			return (rc);
+		}
+		wp  += 4;
+		cnt -= 4;
+	}
+
+	if (cnt == 0) {
+		return (0);
+	}
+
+	/*
+	 * handle unaligned tail bytes
+	 */
+	data = 0;
+	for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+		data = (data << 8) | *src++;
+		--cnt;
+	}
+	for (; i<4; ++i, ++cp) {
+		data = (data << 8) | (*(uchar *)cp);
+	}
+
+	return (write_word(info, wp, data));
+}
+
+/*-----------------------------------------------------------------------
+ * 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)
+{
+	volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)info->start[0];
+	volatile FLASH_WORD_SIZE *dest2;
+	volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *)&data;
+	ulong start;
+	int flag;
+	int i;
+	unsigned char sh8b;
+
+	/* Check the ROM CS */
+	if ((info->start[0] >= ROM_CS1_START) && (info->start[0] < ROM_CS0_START)){
+		sh8b = 3;
+	}
+	else{
+		sh8b = 0;
+	}
+
+	dest2 = (FLASH_WORD_SIZE *)(((dest - info->start[0]) << sh8b) +
+			info->start[0]);
+
+	/* Check if Flash is (sufficiently) erased */
+	if ((*dest2 & (FLASH_WORD_SIZE)data) != (FLASH_WORD_SIZE)data) {
+		return (2);
+	}
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+	for (i=0; i<4/sizeof(FLASH_WORD_SIZE); i++){
+		addr2[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
+		addr2[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
+		addr2[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00A000A0;
+
+		dest2[i << sh8b] = data2[i];
+
+		/* re-enable interrupts if necessary */
+		if (flag){
+			enable_interrupts();
+		}
+
+		/* data polling for D7 */
+		start = get_timer (0);
+		while ((dest2[i << sh8b] & (FLASH_WORD_SIZE)0x00800080) !=
+				(data2[i] & (FLASH_WORD_SIZE)0x00800080)) {
+			if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+				return (1);
+			}
+		}
+	}
+
+	return (0);
+}
+
+/*----------------------------------------------------------------------- */