[U-Boot] [PATCH v2 09/15] x86: spi: Set maximum write size for ICH

[Simon Glass]

This SPI controller can only write 64 bytes at a time. Add this restriction
in so that 'sf write' works correct for blocks larger than 64 bytes.

Signed-off-by: Simon Glass <sjg at chromium.org>
---
Changes in v2: None

 drivers/spi/ich.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
index 9f8eab2..15213d9 100644
--- a/drivers/spi/ich.c
+++ b/drivers/spi/ich.c
@@ -147,6 +147,11 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
 		return NULL;
 	}
 
+	/*
+	 * Yes this controller can only write a small number of bytes at
+	 * once! The limit is typically 64 bytes.
+	 */
+	ich->slave.max_write_size = ctlr.databytes;
 	ich->speed = max_hz;
 
 	return &ich->slave;
-- 
1.8.1.3