Further abstract SPI functions to allow chips bigger than 512 kB behind IT8716Fs
Support SPI flash chips bigger than 512 kByte sitting behind IT8716F
Super I/O performing LPC-to-SPI flash translation.
Corresponding to flashrom svn r181 and coreboot v2 svn r3061.
Signed-off-by: Ronald Hoogenboom <hoogenboom30@zonnet.nl>
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
diff --git a/flash.h b/flash.h
index dffb1b8..048f744 100644
--- a/flash.h
+++ b/flash.h
@@ -234,7 +234,16 @@
#define TI_ID 0x97 /* Texas Instruments */
+/*
+ * W25X chips are SPI, first byte of device ID is memory type, second
+ * byte of device ID is related to log(bitsize).
+ */
#define WINBOND_ID 0xDA /* Winbond */
+#define WINBOND_NEX_ID 0xEF /* Winbond (ex Nexcom) serial flash devices */
+#define W_25X10 0x3011
+#define W_25X20 0x3012
+#define W_25X40 0x3013
+#define W_25X80 0x3014
#define W_29C011 0xC1
#define W_29C020C 0x45
#define W_29C040P 0x46
@@ -297,6 +306,7 @@
void generic_spi_write_disable();
int generic_spi_chip_erase_c7(struct flashchip *flash);
int generic_spi_chip_write(struct flashchip *flash, uint8_t *buf);
+int generic_spi_chip_read(struct flashchip *flash, uint8_t *buf);
/* 82802ab.c */
int probe_82802ab(struct flashchip *flash);