From: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Date: Thu, 23 Aug 2012 13:34:29 +0000 (+0530)
Subject: Xilinx: ARM: nand: Remove ClearNAND support
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b48af7548f8ac48d299ea4b831369f43f85e6355;p=thirdparty%2Fu-boot.git

Xilinx: ARM: nand: Remove ClearNAND support

This patch removes the code for supporting ClearNAND
flashes as it is not supported currently on zynq.

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

diff --git a/drivers/mtd/nand/zynq_nand.c b/drivers/mtd/nand/zynq_nand.c
index 967588b934b..c78f140933a 100644
--- a/drivers/mtd/nand/zynq_nand.c
+++ b/drivers/mtd/nand/zynq_nand.c
@@ -1011,7 +1011,6 @@ int zynq_nand_init(struct nand_chip *nand_chip)
 	u8 set_feature[4] = {0x08, 0x00, 0x00, 0x00};
 	unsigned long ecc_cfg;
 	int ondie_ecc_enabled = 0;
-	int ez_nand_supported = 0;
 
 	xnand = malloc(sizeof(struct xnandps_info));
 	memset(xnand, 0, sizeof(struct xnandps_info));
@@ -1088,12 +1087,9 @@ int zynq_nand_init(struct nand_chip *nand_chip)
 			printf("OnDie ECC flash\n");
 			ondie_ecc_enabled = 1;
 		}
-	} else if ((nand_chip->onfi_version == 23) &&
-				(nand_chip->onfi_params.features & (1 << 9))) {
-		ez_nand_supported = 1;
 	}
 
-	if (ondie_ecc_enabled || ez_nand_supported) {
+	if (ondie_ecc_enabled) {
 		/* bypass the controller ECC block */
 		ecc_cfg = xnandps_read32(xnand->smc_regs +
 			XSMCPSS_ECC_MEMCFG_OFFSET(XSMCPSS_ECC_IF1_OFFSET));