Support for the Winbond W39V080FA series of chips

Support for flashing on the Kontron 986LCD-M board.

Corresponding to flashrom svn r213 and coreboot v2 svn r3165.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

Makefile

@@ -24,7 +24,7 @@ OBJS = chipset_enable.o board_enable.o udelay.o jedec.o sst28sf040.o \
 	am29f040b.o mx29f002.o sst39sf020.o m29f400bt.o w49f002u.o \
 	82802ab.o msys_doc.o pm49fl004.o sst49lf040.o sst49lfxxxc.o \
 	sst_fwhub.o layout.o cbtable.o flashchips.o flashrom.o \
-	sharplhf00l04.o w29ee011.o spi.o
+	w39v080fa.o sharplhf00l04.o w29ee011.o spi.o
 
 all: pciutils dep $(PROGRAM)
 

board_enable.c

@@ -431,6 +431,42 @@ static int board_artecgroup_dbe6x(const char *name)
 	return 0;
 }
 
+static int board_kontron_986lcd_m(const char *name)
+{
+	struct pci_dev *dev;
+	uint16_t gpiobar;
+	uint32_t val;
+
+#define ICH7_GPIO_LVL2 0x38
+
+	dev = pci_dev_find(0x8086, 0x27b8);     /* Intel ICH7 LPC */
+	if (!dev) {
+		// This will never happen on this board
+		fprintf(stderr, "\nERROR: ICH7 LPC bridge not found.\n");
+		return -1;
+	}
+
+	/* Use GPIOBASE register to find where the GPIO is mapped. */
+	gpiobar = pci_read_word(dev, 0x48) & 0xfffc;
+
+	val = inl(gpiobar + ICH7_GPIO_LVL2);	/* GP_LVL2 */
+	printf_debug("\nGPIOBAR=0x%04x GP_LVL: 0x%08x\n", gpiobar, val);
+
+	/* bit 2 (0x04) = 0 #TBL --> bootblock locking = 1
+	 * bit 2 (0x04) = 1 #TBL --> bootblock locking = 0
+	 * bit 3 (0x08) = 0 #WP --> block locking = 1
+	 * bit 3 (0x08) = 1 #WP --> block locking = 0
+	 *
+	 * To enable full block locking, you would do:
+	 *     val &= ~ ((1 << 2) | (1 << 3));
+	 */
+	val |= (1 << 2) | (1 << 3);
+
+	outl(val, gpiobar + ICH7_GPIO_LVL2);
+
+	return 0;
+}
+
 /**
  * We use 2 sets of IDs here, you're free to choose which is which. This
  * is to provide a very high degree of certainty when matching a board on
@@ -497,6 +533,8 @@ struct board_pciid_enable board_pciid_enables[] = {
 	 "artecgroup", "dbe61", "Artec Group DBE61", board_artecgroup_dbe6x},
 	{0x1022, 0x2090, 0x0000, 0x0000, 0x1022, 0x2080, 0x0000, 0x0000,
 	 "artecgroup", "dbe62", "Artec Group DBE62", board_artecgroup_dbe6x},
+ 	{0x8086, 0x27b8, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 	 "kontron", "986lcd-m", "Kontron 986LCD-M", board_kontron_986lcd_m},
 	{0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL}	/* Keep this */
 };
 

flash.h

@@ -276,6 +276,8 @@ extern struct flashchip flashchips[];
 #define W_39V040A		0x3D
 #define W_39V040B		0x54
 #define W_39V080A		0xD0
+#define W_39V080FA		0xD3
+#define W_39V080FA_DM		0x93
 #define W_49F002U		0x0B
 #define W_49V002A		0xB0
 #define W_49V002FA		0x32
@@ -414,6 +416,11 @@ int probe_sst_fwhub(struct flashchip *flash);
 int erase_sst_fwhub(struct flashchip *flash);
 int write_sst_fwhub(struct flashchip *flash, uint8_t *buf);
 
+/* w39V080fa.c */
+int probe_winbond_fwhub(struct flashchip *flash);
+int erase_winbond_fwhub(struct flashchip *flash);
+int write_winbond_fwhub(struct flashchip *flash, uint8_t *buf);
+
 /* w29ee011.c */
 int probe_w29ee011(struct flashchip *flash);
 

flashchips.c

@@ -129,6 +129,8 @@ struct flashchip flashchips[] = {
 	{"Winbond",	"W49F002U",		WINBOND_ID,	W_49F002U,		256,	128,		probe_jedec,		erase_chip_jedec,		write_49f002},
 	{"Winbond",	"W49V002A",		WINBOND_ID,	W_49V002A,		256,	128,		probe_jedec,		erase_chip_jedec,		write_49f002},
 	{"Winbond",	"W49V002FA",		WINBOND_ID,	W_49V002FA,		256,	128,		probe_jedec,		erase_chip_jedec,		write_49f002},
+	{"Winbond",	"W39V080FA",		WINBOND_ID,	W_39V080FA,		1024,	64*1024,	probe_winbond_fwhub,	erase_winbond_fwhub,		write_winbond_fwhub},
+	{"Winbond",	"W39V080FA (dual mode)",WINBOND_ID,	W_39V080FA_DM,		512,	64*1024,	probe_winbond_fwhub,	erase_winbond_fwhub,		write_winbond_fwhub},
 
 	{"EON",		"unknown SPI chip",	EON_ID_NOPREFIX,GENERIC_DEVICE_ID,	0,	0,		probe_spi,		NULL,				NULL},
 	{"Macronix",	"unknown SPI chip",	MX_ID,		GENERIC_DEVICE_ID,	0,	0,		probe_spi,		NULL,				NULL},

flashrom.c

@@ -109,8 +109,8 @@ struct flashchip *probe_flash(struct flashchip *flash)
 			flash++;
 			continue;
 		}
-		printf_debug("Probing for %s, %d KB\n",
-			     flash->name, flash->total_size);
+		printf_debug("Probing for %s %s, %d KB: ",
+			     flash->vendor, flash->name, flash->total_size);
 
 		size = flash->total_size * 1024;