Blackfin: add hack for crappy m25p80

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/board/bf537-stamp/spi_flash.c b/board/bf537-stamp/spi_flash.c
index 7b764b4..797daf2 100644 (file)
--- a/board/bf537-stamp/spi_flash.c
+++ b/board/bf537-stamp/spi_flash.c
@@ -51,6 +51,7 @@ static struct flash_info flash_st_serial_flash[] = {
        { "m25p10", 0x2011, 32 * 1024, 4 },
        { "m25p20", 0x2012, 64 * 1024, 4 },
        { "m25p40", 0x2013, 64 * 1024, 8 },
+       { "m25p80", 0x20FF, 64 * 1024, 16 },
        { "m25p16", 0x2015, 64 * 1024, 32 },
        { "m25p32", 0x2016, 64 * 1024, 64 },
        { "m25p64", 0x2017, 64 * 1024, 128 },
@@ -309,6 +310,11 @@ static int spi_detect_part(void)
        if (called_init)
                return 0;
 
+#ifdef CONFIG_SPI_FLASH_M25P80
+       flash.manufacturer_id = JED_MANU_ST;
+       flash.device_id1 = 0x20;
+       flash.device_id2 = 0xFF;
+#else
        SPI_ON();
 
        /* Send the request for the part identification */
@@ -328,6 +334,7 @@ static int spi_detect_part(void)
        flash.device_id2 = spi_write_read_byte(0);
 
        SPI_OFF();
+#endif
 
        dev_id = (flash.device_id1 << 8) | flash.device_id2;