Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 210 insertions, 0 deletions

diff --git a/roms/u-boot/drivers/mtd/nand/spi/gigadevice.c b/roms/u-boot/drivers/mtd/nand/spi/gigadevice.c
new file mode 100644
index 000000000..a2c93486f
--- /dev/null
+++ b/roms/u-boot/drivers/mtd/nand/spi/gigadevice.c
@@ -0,0 +1,210 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 Stefan Roese <sr@denx.de>
+ *
+ * Derived from drivers/mtd/nand/spi/micron.c
+ *   Copyright (c) 2016-2017 Micron Technology, Inc.
+ */
+
+#ifndef __UBOOT__
+#include <malloc.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#endif
+#include <linux/mtd/spinand.h>
+
+#define SPINAND_MFR_GIGADEVICE			0xC8
+#define GD5FXGQ4XA_STATUS_ECC_1_7_BITFLIPS	(1 << 4)
+#define GD5FXGQ4XA_STATUS_ECC_8_BITFLIPS	(3 << 4)
+
+#define GD5FXGQ5XE_STATUS_ECC_1_4_BITFLIPS	(1 << 4)
+#define GD5FXGQ5XE_STATUS_ECC_4_BITFLIPS	(3 << 4)
+
+#define GD5FXGQXXEXXG_REG_STATUS2		0xf0
+
+/* Q4 devices, QUADIO: Dummy bytes valid for 1 and 2 GBit variants */
+static SPINAND_OP_VARIANTS(gd5fxgq4_read_cache_variants,
+		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
+
+/* Q5 devices, QUADIO: Dummy bytes only valid for 1 GBit variants */
+static SPINAND_OP_VARIANTS(gd5f1gq5_read_cache_variants,
+		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
+
+static SPINAND_OP_VARIANTS(write_cache_variants,
+		SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
+		SPINAND_PROG_LOAD(true, 0, NULL, 0));
+
+static SPINAND_OP_VARIANTS(update_cache_variants,
+		SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
+		SPINAND_PROG_LOAD(false, 0, NULL, 0));
+
+static int gd5fxgqxxexxg_ooblayout_ecc(struct mtd_info *mtd, int section,
+				       struct mtd_oob_region *region)
+{
+	if (section)
+		return -ERANGE;
+
+	region->offset = 64;
+	region->length = 64;
+
+	return 0;
+}
+
+static int gd5fxgqxxexxg_ooblayout_free(struct mtd_info *mtd, int section,
+					struct mtd_oob_region *region)
+{
+	if (section)
+		return -ERANGE;
+
+	/* Reserve 1 bytes for the BBM. */
+	region->offset = 1;
+	region->length = 63;
+
+	return 0;
+}
+
+static int gd5fxgq4xexxg_ecc_get_status(struct spinand_device *spinand,
+					u8 status)
+{
+	u8 status2;
+	struct spi_mem_op op = SPINAND_GET_FEATURE_OP(GD5FXGQXXEXXG_REG_STATUS2,
+						      &status2);
+	int ret;
+
+	switch (status & STATUS_ECC_MASK) {
+	case STATUS_ECC_NO_BITFLIPS:
+		return 0;
+
+	case GD5FXGQ4XA_STATUS_ECC_1_7_BITFLIPS:
+		/*
+		 * Read status2 register to determine a more fine grained
+		 * bit error status
+		 */
+		ret = spi_mem_exec_op(spinand->slave, &op);
+		if (ret)
+			return ret;
+
+		/*
+		 * 4 ... 7 bits are flipped (1..4 can't be detected, so
+		 * report the maximum of 4 in this case
+		 */
+		/* bits sorted this way (3...0): ECCS1,ECCS0,ECCSE1,ECCSE0 */
+		return ((status & STATUS_ECC_MASK) >> 2) |
+			((status2 & STATUS_ECC_MASK) >> 4);
+
+	case GD5FXGQ4XA_STATUS_ECC_8_BITFLIPS:
+		return 8;
+
+	case STATUS_ECC_UNCOR_ERROR:
+		return -EBADMSG;
+
+	default:
+		break;
+	}
+
+	return -EINVAL;
+}
+
+static int gd5fxgq5xexxg_ecc_get_status(struct spinand_device *spinand,
+					u8 status)
+{
+	u8 status2;
+	struct spi_mem_op op = SPINAND_GET_FEATURE_OP(GD5FXGQXXEXXG_REG_STATUS2,
+						      &status2);
+	int ret;
+
+	switch (status & STATUS_ECC_MASK) {
+	case STATUS_ECC_NO_BITFLIPS:
+		return 0;
+
+	case GD5FXGQ5XE_STATUS_ECC_1_4_BITFLIPS:
+		/*
+		 * Read status2 register to determine a more fine grained
+		 * bit error status
+		 */
+		ret = spi_mem_exec_op(spinand->slave, &op);
+		if (ret)
+			return ret;
+
+		/*
+		 * 1 ... 4 bits are flipped (and corrected)
+		 */
+		/* bits sorted this way (1...0): ECCSE1, ECCSE0 */
+		return ((status2 & STATUS_ECC_MASK) >> 4) + 1;
+
+	case STATUS_ECC_UNCOR_ERROR:
+		return -EBADMSG;
+
+	default:
+		break;
+	}
+
+	return -EINVAL;
+}
+
+static const struct mtd_ooblayout_ops gd5fxgqxxexxg_ooblayout = {
+	.ecc = gd5fxgqxxexxg_ooblayout_ecc,
+	.rfree = gd5fxgqxxexxg_ooblayout_free,
+};
+
+static const struct spinand_info gigadevice_spinand_table[] = {
+	SPINAND_INFO("GD5F1GQ4UExxG", 0xd1,
+		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&gd5fxgq4_read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&gd5fxgqxxexxg_ooblayout,
+				     gd5fxgq4xexxg_ecc_get_status)),
+	SPINAND_INFO("GD5F1GQ5UExxG", 0x51,
+		     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&gd5f1gq5_read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&gd5fxgqxxexxg_ooblayout,
+				     gd5fxgq5xexxg_ecc_get_status)),
+};
+
+static int gigadevice_spinand_detect(struct spinand_device *spinand)
+{
+	u8 *id = spinand->id.data;
+	int ret;
+
+	/*
+	 * For GD NANDs, There is an address byte needed to shift in before IDs
+	 * are read out, so the first byte in raw_id is dummy.
+	 */
+	if (id[1] != SPINAND_MFR_GIGADEVICE)
+		return 0;
+
+	ret = spinand_match_and_init(spinand, gigadevice_spinand_table,
+				     ARRAY_SIZE(gigadevice_spinand_table),
+				     id[2]);
+	if (ret)
+		return ret;
+
+	return 1;
+}
+
+static const struct spinand_manufacturer_ops gigadevice_spinand_manuf_ops = {
+	.detect = gigadevice_spinand_detect,
+};
+
+const struct spinand_manufacturer gigadevice_spinand_manufacturer = {
+	.id = SPINAND_MFR_GIGADEVICE,
+	.name = "GigaDevice",
+	.ops = &gigadevice_spinand_manuf_ops,
+};