GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/include/drivers/spi_nand.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2019, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef DRIVERS_SPI_NAND_H
+#define DRIVERS_SPI_NAND_H
+
+#include <drivers/nand.h>
+#include <drivers/spi_mem.h>
+
+#define SPI_NAND_OP_GET_FEATURE		0x0FU
+#define SPI_NAND_OP_SET_FEATURE		0x1FU
+#define SPI_NAND_OP_READ_ID		0x9FU
+#define SPI_NAND_OP_LOAD_PAGE		0x13U
+#define SPI_NAND_OP_RESET		0xFFU
+#define SPI_NAND_OP_READ_FROM_CACHE	0x03U
+#define SPI_NAND_OP_READ_FROM_CACHE_2X	0x3BU
+#define SPI_NAND_OP_READ_FROM_CACHE_4X	0x6BU
+
+/* Configuration register */
+#define SPI_NAND_REG_CFG		0xB0U
+#define SPI_NAND_CFG_ECC_EN		BIT(4)
+#define SPI_NAND_CFG_QE			BIT(0)
+
+/* Status register */
+#define SPI_NAND_REG_STATUS		0xC0U
+#define SPI_NAND_STATUS_BUSY		BIT(0)
+#define SPI_NAND_STATUS_ECC_UNCOR	BIT(5)
+
+struct spinand_device {
+	struct nand_device *nand_dev;
+	struct spi_mem_op spi_read_cache_op;
+	uint8_t cfg_cache; /* Cached value of SPI NAND device register CFG */
+};
+
+int spi_nand_init(unsigned long long *size, unsigned int *erase_size);
+
+/*
+ * Platform can implement this to override default SPI-NAND instance
+ * configuration.
+ *
+ * @device: target SPI-NAND instance.
+ * Return 0 on success, negative value otherwise.
+ */
+int plat_get_spi_nand_data(struct spinand_device *device);
+
+#endif /* DRIVERS_SPI_NAND_H */