Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

3 files changed, 651 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/board/emk/common/am79c874.c b/qemu/roms/u-boot/board/emk/common/am79c874.c
new file mode 100644
index 000000000..b3840a222
--- /dev/null
+++ b/qemu/roms/u-boot/board/emk/common/am79c874.c
@@ -0,0 +1,13 @@
+/*
+ * (C) Copyright 2003
+ * Reinhard Meyer, EMK Elektronik GmbH, r.meyer@emk-elektronik.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+
+/*****************************************************************************
+ * check fiber optic link present, and then copper link present. do auto switch
+ * between both
+ *****************************************************************************/
diff --git a/qemu/roms/u-boot/board/emk/common/flash.c b/qemu/roms/u-boot/board/emk/common/flash.c
new file mode 100644
index 000000000..ae5777c79
--- /dev/null
+++ b/qemu/roms/u-boot/board/emk/common/flash.c
@@ -0,0 +1,575 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2003
+ * Reinhard Meyer, EMK Elektronik GmbH, r.meyer@emk-elektronik.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+
+flash_info_t	flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+#if defined (CONFIG_TOP860)
+  typedef unsigned short FLASH_PORT_WIDTH;
+  typedef volatile unsigned short FLASH_PORT_WIDTHV;
+  #define	FLASH_ID_MASK	0xFF
+
+  #define FPW	FLASH_PORT_WIDTH
+  #define FPWV	FLASH_PORT_WIDTHV
+
+  #define FLASH_CYCLE1	0x0555
+  #define FLASH_CYCLE2	0x02aa
+  #define FLASH_ID1		0
+  #define FLASH_ID2		1
+  #define FLASH_ID3		0x0e
+  #define FLASH_ID4		0x0F
+#endif
+
+#if defined (CONFIG_TOP5200) && !defined (CONFIG_LITE5200)
+  typedef unsigned char FLASH_PORT_WIDTH;
+  typedef volatile unsigned char FLASH_PORT_WIDTHV;
+  #define	FLASH_ID_MASK	0xFF
+
+  #define FPW	FLASH_PORT_WIDTH
+  #define FPWV	FLASH_PORT_WIDTHV
+
+  #define FLASH_CYCLE1	0x0aaa
+  #define FLASH_CYCLE2	0x0555
+  #define FLASH_ID1		0
+  #define FLASH_ID2		2
+  #define FLASH_ID3		0x1c
+  #define FLASH_ID4		0x1E
+#endif
+
+#if defined (CONFIG_TOP5200) && defined (CONFIG_LITE5200)
+  typedef unsigned char FLASH_PORT_WIDTH;
+  typedef volatile unsigned char FLASH_PORT_WIDTHV;
+  #define	FLASH_ID_MASK	0xFF
+
+  #define FPW	FLASH_PORT_WIDTH
+  #define FPWV	FLASH_PORT_WIDTHV
+
+  #define FLASH_CYCLE1	0x0555
+  #define FLASH_CYCLE2	0x02aa
+  #define FLASH_ID1		0
+  #define FLASH_ID2		1
+  #define FLASH_ID3		0x0E
+  #define FLASH_ID4		0x0F
+#endif
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size(FPWV *addr, flash_info_t *info);
+static void flash_reset(flash_info_t *info);
+static int write_word_amd(flash_info_t *info, FPWV *dest, FPW data);
+flash_info_t *flash_get_info(ulong base);
+
+/*-----------------------------------------------------------------------
+ * flash_init()
+ *
+ * sets up flash_info and returns size of FLASH (bytes)
+ */
+unsigned long flash_init (void)
+{
+	unsigned long size = 0;
+	int i = 0;
+	extern void flash_preinit(void);
+	extern void flash_afterinit(uint, ulong, ulong);
+	ulong flashbase = CONFIG_SYS_FLASH_BASE;
+
+	flash_preinit();
+
+	/* There is only ONE FLASH device */
+	memset(&flash_info[i], 0, sizeof(flash_info_t));
+	flash_info[i].size =
+			flash_get_size((FPW *)flashbase, &flash_info[i]);
+	size += flash_info[i].size;
+
+#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
+	/* monitor protection ON by default */
+	flash_protect(FLAG_PROTECT_SET,
+		      CONFIG_SYS_MONITOR_BASE,
+		      CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1,
+		      flash_get_info(CONFIG_SYS_MONITOR_BASE));
+#endif
+
+#ifdef	CONFIG_ENV_IS_IN_FLASH
+	/* ENV protection ON by default */
+	flash_protect(FLAG_PROTECT_SET,
+		      CONFIG_ENV_ADDR,
+		      CONFIG_ENV_ADDR+CONFIG_ENV_SIZE-1,
+		      flash_get_info(CONFIG_ENV_ADDR));
+#endif
+
+
+	flash_afterinit(i, flash_info[i].start[0], flash_info[i].size);
+	return size ? size : 1;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_reset(flash_info_t *info)
+{
+	FPWV *base = (FPWV *)(info->start[0]);
+
+	/* Put FLASH back in read mode */
+	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL)
+		*base = (FPW)0x00FF00FF;	/* Intel Read Mode */
+	else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD)
+		*base = (FPW)0x00F000F0;	/* AMD Read Mode */
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+flash_info_t *flash_get_info(ulong base)
+{
+	int i;
+	flash_info_t * info;
+
+	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i ++) {
+		info = & flash_info[i];
+		if (info->size &&
+			info->start[0] <= base && base <= info->start[0] + info->size - 1)
+			break;
+	}
+
+	return i == CONFIG_SYS_MAX_FLASH_BANKS ? 0 : info;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+void flash_print_info (flash_info_t *info)
+{
+	int i;
+	uchar *boottype;
+	uchar *bootletter;
+	char *fmt;
+	uchar botbootletter[] = "B";
+	uchar topbootletter[] = "T";
+	uchar botboottype[] = "bottom boot sector";
+	uchar topboottype[] = "top boot sector";
+
+	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;
+#if 0
+	case FLASH_MAN_BM:	printf ("BRIGHT MICRO ");	break;
+	case FLASH_MAN_FUJ:	printf ("FUJITSU ");		break;
+	case FLASH_MAN_SST:	printf ("SST ");		break;
+	case FLASH_MAN_STM:	printf ("STM ");		break;
+	case FLASH_MAN_INTEL:	printf ("INTEL ");		break;
+#endif
+	default:		printf ("Unknown Vendor ");	break;
+	}
+
+	/* check for top or bottom boot, if it applies */
+	if (info->flash_id & FLASH_BTYPE) {
+		boottype = botboottype;
+		bootletter = botbootletter;
+	}
+	else {
+		boottype = topboottype;
+		bootletter = topbootletter;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FLASH_AM160T:
+	case FLASH_AM160B:
+		fmt = "29LV160%s (16 Mbit, %s)\n";
+		break;
+	case FLASH_AMLV640U:
+		fmt = "29LV640M (64 Mbit)\n";
+		break;
+	case FLASH_AMDLV065D:
+		fmt = "29LV065D (64 Mbit)\n";
+		break;
+	case FLASH_AMLV256U:
+		fmt = "29LV256M (256 Mbit)\n";
+		break;
+	default:
+		fmt = "Unknown Chip Type\n";
+		break;
+	}
+
+	printf (fmt, bootletter, boottype);
+
+	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) {
+		ulong	size;
+		int		erased;
+		ulong	*flash = (unsigned long *) info->start[i];
+
+		if ((i % 5) == 0) {
+			printf ("\n   ");
+		}
+
+		/*
+		 * 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 (" %08lX %s %s",
+			info->start[i],
+			erased ? "E": " ",
+			info->protect[i] ? "(RO)" : "    ");
+	}
+
+	printf ("\n");
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+
+ulong flash_get_size (FPWV *addr, flash_info_t *info)
+{
+	int		i;
+
+	/* Write auto select command: read Manufacturer ID */
+	/* Write auto select command sequence and test FLASH answer */
+	addr[FLASH_CYCLE1] = (FPW)0x00AA00AA;	/* for AMD, Intel ignores this */
+	addr[FLASH_CYCLE2] = (FPW)0x00550055;	/* for AMD, Intel ignores this */
+	addr[FLASH_CYCLE1] = (FPW)0x00900090;	/* selects Intel or AMD */
+
+	/* The manufacturer codes are only 1 byte, so just use 1 byte.
+	 * This works for any bus width and any FLASH device width.
+	 */
+	udelay(100);
+	switch (addr[FLASH_ID1] & 0xff) {
+
+	case (uchar)AMD_MANUFACT:
+		info->flash_id = FLASH_MAN_AMD;
+		break;
+
+#if 0
+	case (uchar)INTEL_MANUFACT:
+		info->flash_id = FLASH_MAN_INTEL;
+		break;
+#endif
+
+	default:
+		printf ("unknown vendor=%x ", addr[FLASH_ID1] & 0xff);
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0;
+		break;
+	}
+
+	/* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */
+	if (info->flash_id != FLASH_UNKNOWN) switch ((FPW)addr[FLASH_ID2]) {
+
+	case (FPW)AMD_ID_LV160B:
+		info->flash_id += FLASH_AM160B;
+		info->sector_count = 35;
+		info->size = 0x00200000;
+		info->start[0] = (ulong)addr;
+		info->start[1] = (ulong)addr + 0x4000;
+		info->start[2] = (ulong)addr + 0x6000;
+		info->start[3] = (ulong)addr + 0x8000;
+		for (i = 4; i < info->sector_count; i++)
+		{
+			info->start[i] = (ulong)addr + 0x10000 * (i-3);
+		}
+		break;
+
+	case (FPW)AMD_ID_LV065D:
+		info->flash_id += FLASH_AMDLV065D;
+		info->sector_count = 128;
+		info->size = 0x00800000;
+		for (i = 0; i < info->sector_count; i++)
+		{
+			info->start[i] = (ulong)addr + 0x10000 * i;
+		}
+		break;
+
+	case (FPW)AMD_ID_MIRROR:
+		/* MIRROR BIT FLASH, read more ID bytes */
+		if ((FPW)addr[FLASH_ID3] == (FPW)AMD_ID_LV640U_2 &&
+			(FPW)addr[FLASH_ID4] == (FPW)AMD_ID_LV640U_3)
+		{
+			info->flash_id += FLASH_AMLV640U;
+			info->sector_count = 128;
+			info->size = 0x00800000;
+			for (i = 0; i < info->sector_count; i++)
+			{
+				info->start[i] = (ulong)addr + 0x10000 * i;
+			}
+			break;
+		}
+		if ((FPW)addr[FLASH_ID3] == (FPW)AMD_ID_LV256U_2 &&
+			(FPW)addr[FLASH_ID4] == (FPW)AMD_ID_LV256U_3)
+		{
+			/* attention: only the first 16 MB will be used in u-boot */
+			info->flash_id += FLASH_AMLV256U;
+			info->sector_count = 256;
+			info->size = 0x01000000;
+			for (i = 0; i < info->sector_count; i++)
+			{
+				info->start[i] = (ulong)addr + 0x10000 * i;
+			}
+			break;
+		}
+
+		/* fall thru to here ! */
+	default:
+		printf ("unknown AMD device=%x %x %x",
+			(FPW)addr[FLASH_ID2],
+			(FPW)addr[FLASH_ID3],
+			(FPW)addr[FLASH_ID4]);
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0x800000;
+		break;
+	}
+
+	/* Put FLASH back in read mode */
+	flash_reset(info);
+
+	return (info->size);
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int	flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+	FPWV *addr;
+	int flag, prot, sect;
+	int intel = (info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL;
+	ulong start, now, last;
+	int rcode = 0;
+
+	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;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FLASH_AM160B:
+	case FLASH_AMLV640U:
+		break;
+	case FLASH_UNKNOWN:
+	default:
+		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");
+	}
+
+	last  = get_timer(0);
+
+	/* Start erase on unprotected sectors */
+	for (sect = s_first; sect<=s_last && rcode == 0; sect++) {
+
+		if (info->protect[sect] != 0)	/* protected, skip it */
+			continue;
+
+		/* Disable interrupts which might cause a timeout here */
+		flag = disable_interrupts();
+
+		addr = (FPWV *)(info->start[sect]);
+		if (intel) {
+			*addr = (FPW)0x00500050; /* clear status register */
+			*addr = (FPW)0x00200020; /* erase setup */
+			*addr = (FPW)0x00D000D0; /* erase confirm */
+		}
+		else {
+			/* must be AMD style if not Intel */
+			FPWV *base;		/* first address in bank */
+
+			base = (FPWV *)(info->start[0]);
+			base[FLASH_CYCLE1] = (FPW)0x00AA00AA;	/* unlock */
+			base[FLASH_CYCLE2] = (FPW)0x00550055;	/* unlock */
+			base[FLASH_CYCLE1] = (FPW)0x00800080;	/* erase mode */
+			base[FLASH_CYCLE1] = (FPW)0x00AA00AA;	/* unlock */
+			base[FLASH_CYCLE2] = (FPW)0x00550055;	/* unlock */
+			*addr = (FPW)0x00300030;	/* erase sector */
+		}
+
+		/* re-enable interrupts if necessary */
+		if (flag)
+			enable_interrupts();
+
+		start = get_timer(0);
+
+		/* wait at least 50us for AMD, 80us for Intel.
+		 * Let's wait 1 ms.
+		 */
+		udelay (1000);
+
+		while ((*addr & (FPW)0x00800080) != (FPW)0x00800080) {
+			if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
+				printf ("Timeout\n");
+
+				if (intel) {
+					/* suspend erase	*/
+					*addr = (FPW)0x00B000B0;
+				}
+
+				flash_reset(info);	/* reset to read mode */
+				rcode = 1;		/* failed */
+				break;
+			}
+
+			/* show that we're waiting */
+			if ((get_timer(last)) > CONFIG_SYS_HZ) {/* every second */
+				putc ('.');
+				last = get_timer(0);
+			}
+		}
+
+		/* show that we're waiting */
+		if ((get_timer(last)) > CONFIG_SYS_HZ) {	/* every second */
+			putc ('.');
+			last = get_timer(0);
+		}
+
+		flash_reset(info);	/* reset to read mode */
+	}
+
+	printf (" done\n");
+	return rcode;
+}
+
+/*-----------------------------------------------------------------------
+ * 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)
+{
+	FPW data = 0; /* 16 or 32 bit word, matches flash bus width on MPC8XX */
+	int bytes;	  /* number of bytes to program in current word		*/
+	int left;	  /* number of bytes left to program			*/
+	int i, res;
+
+	for (left = cnt, res = 0;
+		 left > 0 && res == 0;
+		 addr += sizeof(data), left -= sizeof(data) - bytes) {
+
+		bytes = addr & (sizeof(data) - 1);
+		addr &= ~(sizeof(data) - 1);
+
+		/* combine source and destination data so can program
+		 * an entire word of 16 or 32 bits
+		 */
+		for (i = 0; i < sizeof(data); i++) {
+			data <<= 8;
+			if (i < bytes || i - bytes >= left )
+				data += *((uchar *)addr + i);
+			else
+				data += *src++;
+		}
+
+		/* write one word to the flash */
+		switch (info->flash_id & FLASH_VENDMASK) {
+		case FLASH_MAN_AMD:
+			res = write_word_amd(info, (FPWV *)addr, data);
+			break;
+		default:
+			/* unknown flash type, error! */
+			printf ("missing or unknown FLASH type\n");
+			res = 1;	/* not really a timeout, but gives error */
+			break;
+		}
+	}
+
+	return (res);
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash for AMD FLASH
+ * A word is 16 or 32 bits, whichever the bus width of the flash bank
+ * (not an individual chip) is.
+ *
+ * returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word_amd (flash_info_t *info, FPWV *dest, FPW data)
+{
+	ulong start;
+	int flag;
+	int res = 0;	/* result, assume success	*/
+	FPWV *base;		/* first address in flash bank	*/
+
+	/* Check if Flash is (sufficiently) erased */
+	if ((*dest & data) != data) {
+		return (2);
+	}
+
+
+	base = (FPWV *)(info->start[0]);
+
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+	base[FLASH_CYCLE1] = (FPW)0x00AA00AA;	/* unlock */
+	base[FLASH_CYCLE2] = (FPW)0x00550055;	/* unlock */
+	base[FLASH_CYCLE1] = (FPW)0x00A000A0;	/* selects program mode */
+
+	*dest = data;		/* start programming the data	*/
+
+	/* re-enable interrupts if necessary */
+	if (flag)
+		enable_interrupts();
+
+	start = get_timer (0);
+
+	/* data polling for D7 */
+	while (res == 0 && (*dest & (FPW)0x00800080) != (data & (FPW)0x00800080)) {
+		if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
+			*dest = (FPW)0x00F000F0;	/* reset bank */
+			res = 1;
+		}
+	}
+
+	return (res);
+}
diff --git a/qemu/roms/u-boot/board/emk/common/vpd.c b/qemu/roms/u-boot/board/emk/common/vpd.c
new file mode 100644
index 000000000..d9af92a52
--- /dev/null
+++ b/qemu/roms/u-boot/board/emk/common/vpd.c
@@ -0,0 +1,63 @@
+/*
+ * (C) Copyright 2003
+ * Reinhard Meyer, EMK Elektronik GmbH, r.meyer@emk-elektronik.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+
+/*****************************************************************************
+ * read "factory" part of EEPROM and set some environment variables
+ *****************************************************************************/
+void read_factory_r (void)
+{
+	/* read 'factory' part of EEPROM */
+	uchar buf[81];
+	uchar *p;
+	uint length;
+	uint addr;
+	uint len;
+
+	/* get length first */
+	addr = CONFIG_SYS_FACT_OFFSET;
+	if (eeprom_read (CONFIG_SYS_I2C_FACT_ADDR, addr, buf, 2)) {
+	  bailout:
+		printf ("cannot read factory configuration\n");
+		printf ("be sure to set ethaddr	yourself!\n");
+		return;
+	}
+	length = buf[0] + (buf[1] << 8);
+	addr += 2;
+
+	/* sanity check */
+	if (length < 20 || length > CONFIG_SYS_FACT_SIZE - 2)
+		goto bailout;
+
+	/* read lines */
+	while (length > 0) {
+		/* read one line */
+		len = length > 80 ? 80 : length;
+		if (eeprom_read (CONFIG_SYS_I2C_FACT_ADDR, addr, buf, len))
+			goto bailout;
+		/* mark end of buffer */
+		buf[len] = 0;
+		/* search end of line */
+		for (p = buf; *p && *p != 0x0a; p++);
+		if (!*p)
+			goto bailout;
+		*p++ = 0;
+		/* advance to next line start */
+		length -= p - buf;
+		addr += p - buf;
+		/*printf ("%s\n", buf); */
+		/* search for our specific entry */
+		if (!strncmp ((char *) buf, "[RLA/lan/Ethernet] ", 19)) {
+			setenv ("ethaddr", (char *)(buf + 19));
+		} else if (!strncmp ((char *) buf, "[BOARD/SERIAL] ", 15)) {
+			setenv ("serial#", (char *)(buf + 15));
+		} else if (!strncmp ((char *) buf, "[BOARD/TYPE] ", 13)) {
+			setenv ("board_id", (char *)(buf + 13));
+		}
+	}
+}