From: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Date: Wed, 12 Jun 2013 06:56:35 +0000 (+0530)
Subject: cfi_flash: Add write buffer hack for M29EW flash
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4ab6613f2ea73152a0580a991d9e27a7b2dac3b2;p=thirdparty%2Fu-boot.git

cfi_flash: Add write buffer hack for M29EW flash

Added CONFIG_ZYNQ_M29EW_WB_HACK.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
---

diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 22d84407dd4..55631f12d03 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -2236,6 +2236,10 @@ ulong flash_get_size (phys_addr_t base, int banknum)
 		}
 
 		info->sector_count = sect_cnt;
+		/* FIXME */
+#ifdef CONFIG_ZYNQ_M29EW_WB_HACK
+		qry.max_buf_write_size = 0x8;
+#endif
 		info->buffer_size = 1 << le16_to_cpu(qry.max_buf_write_size);
 		tmp = 1 << qry.block_erase_timeout_typ;
 		info->erase_blk_tout = tmp *
diff --git a/include/configs/zynq_common.h b/include/configs/zynq_common.h
index fe638c6594c..d80fd3a36bd 100644
--- a/include/configs/zynq_common.h
+++ b/include/configs/zynq_common.h
@@ -117,6 +117,7 @@
 # undef CONFIG_SYS_FLASH_PROTECTION /* don't use hardware protection */
 /* use buffered writes (20x faster) */
 # define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
+# define CONFIG_ZYNQ_M29EW_WB_HACK
 #endif
 
 /* QSPI */