As no platforms use this driver anymore let's go ahead and remove it.

Signed-off-by: Tom Rini <tr...@konsulko.com>
---
 drivers/mtd/nand/raw/Kconfig     |   6 -
 drivers/mtd/nand/raw/Makefile    |   1 -
 drivers/mtd/nand/raw/mxic_nand.c | 602 -------------------------------
 3 files changed, 609 deletions(-)
 delete mode 100644 drivers/mtd/nand/raw/mxic_nand.c

diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
index 3ca6d1cca812..4b4330302bed 100644
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -550,12 +550,6 @@ config NAND_MXS_USE_MINIMUM_ECC
 
 endif
 
-config NAND_MXIC
-       bool "Macronix raw NAND controller"
-       select SYS_NAND_SELF_INIT
-       help
-         This selects the Macronix raw NAND controller driver.
-
 config NAND_ZYNQ
        bool "Support for Zynq Nand controller"
        select SPL_SYS_NAND_SELF_INIT
diff --git a/drivers/mtd/nand/raw/Makefile b/drivers/mtd/nand/raw/Makefile
index 97e874ef769d..5ffd450e8fe7 100644
--- a/drivers/mtd/nand/raw/Makefile
+++ b/drivers/mtd/nand/raw/Makefile
@@ -74,7 +74,6 @@ obj-$(CONFIG_NAND_OMAP_GPMC) += omap_gpmc.o
 obj-$(CONFIG_NAND_OMAP_ELM) += omap_elm.o
 obj-$(CONFIG_NAND_SANDBOX) += sand_nand.o
 obj-$(CONFIG_NAND_SUNXI) += sunxi_nand.o
-obj-$(CONFIG_NAND_MXIC) += mxic_nand.o
 obj-$(CONFIG_NAND_ZYNQ) += zynq_nand.o
 obj-$(CONFIG_NAND_STM32_FMC2) += stm32_fmc2_nand.o
 obj-$(CONFIG_CORTINA_NAND) += cortina_nand.o
diff --git a/drivers/mtd/nand/raw/mxic_nand.c b/drivers/mtd/nand/raw/mxic_nand.c
deleted file mode 100644
index 0e54b5f69389..000000000000
--- a/drivers/mtd/nand/raw/mxic_nand.c
+++ /dev/null
@@ -1,602 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2021 Macronix International Co., Ltd.
- *
- * Author:
- *     Zhengxun Li <zhengxu...@mxic.com.tw>
- */
-
-#include <clk.h>
-#include <dm.h>
-#include <malloc.h>
-#include <nand.h>
-#include <asm/io.h>
-#include <asm/arch/hardware.h>
-#include <dm/device_compat.h>
-#include <linux/bug.h>
-#include <linux/errno.h>
-#include <linux/iopoll.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/rawnand.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/nand_ecc.h>
-#include <linux/delay.h>
-
-#define HC_CFG                 0x0
-#define HC_CFG_IF_CFG(x)       ((x) << 27)
-#define HC_CFG_DUAL_SLAVE      BIT(31)
-#define HC_CFG_INDIVIDUAL      BIT(30)
-#define HC_CFG_NIO(x)          (((x) / 4) << 27)
-#define HC_CFG_TYPE(s, t)      ((t) << (23 + ((s) * 2)))
-#define HC_CFG_TYPE_SPI_NOR    0
-#define HC_CFG_TYPE_SPI_NAND   1
-#define HC_CFG_TYPE_SPI_RAM    2
-#define HC_CFG_TYPE_RAW_NAND   3
-#define HC_CFG_SLV_ACT(x)      ((x) << 21)
-#define HC_CFG_CLK_PH_EN       BIT(20)
-#define HC_CFG_CLK_POL_INV     BIT(19)
-#define HC_CFG_BIG_ENDIAN      BIT(18)
-#define HC_CFG_DATA_PASS       BIT(17)
-#define HC_CFG_IDLE_SIO_LVL(x) ((x) << 16)
-#define HC_CFG_MAN_START_EN    BIT(3)
-#define HC_CFG_MAN_START       BIT(2)
-#define HC_CFG_MAN_CS_EN       BIT(1)
-#define HC_CFG_MAN_CS_ASSERT   BIT(0)
-
-#define INT_STS                        0x4
-#define INT_STS_EN             0x8
-#define INT_SIG_EN             0xc
-#define INT_STS_ALL            GENMASK(31, 0)
-#define INT_RDY_PIN            BIT(26)
-#define INT_RDY_SR             BIT(25)
-#define INT_LNR_SUSP           BIT(24)
-#define INT_ECC_ERR            BIT(17)
-#define INT_CRC_ERR            BIT(16)
-#define INT_LWR_DIS            BIT(12)
-#define INT_LRD_DIS            BIT(11)
-#define INT_SDMA_INT           BIT(10)
-#define INT_DMA_FINISH         BIT(9)
-#define INT_RX_NOT_FULL                BIT(3)
-#define INT_RX_NOT_EMPTY       BIT(2)
-#define INT_TX_NOT_FULL                BIT(1)
-#define INT_TX_EMPTY           BIT(0)
-
-#define HC_EN                  0x10
-#define HC_EN_BIT              BIT(0)
-
-#define TXD(x)                 (0x14 + ((x) * 4))
-#define RXD                    0x24
-
-#define SS_CTRL(s)             (0x30 + ((s) * 4))
-#define LRD_CFG                        0x44
-#define LWR_CFG                        0x80
-#define RWW_CFG                        0x70
-#define OP_READ                        BIT(23)
-#define OP_DUMMY_CYC(x)                ((x) << 17)
-#define OP_ADDR_BYTES(x)       ((x) << 14)
-#define OP_CMD_BYTES(x)                (((x) - 1) << 13)
-#define OP_OCTA_CRC_EN         BIT(12)
-#define OP_DQS_EN              BIT(11)
-#define OP_ENHC_EN             BIT(10)
-#define OP_PREAMBLE_EN         BIT(9)
-#define OP_DATA_DDR            BIT(8)
-#define OP_DATA_BUSW(x)                ((x) << 6)
-#define OP_ADDR_DDR            BIT(5)
-#define OP_ADDR_BUSW(x)                ((x) << 3)
-#define OP_CMD_DDR             BIT(2)
-#define OP_CMD_BUSW(x)         (x)
-#define OP_BUSW_1              0
-#define OP_BUSW_2              1
-#define OP_BUSW_4              2
-#define OP_BUSW_8              3
-
-#define OCTA_CRC               0x38
-#define OCTA_CRC_IN_EN(s)      BIT(3 + ((s) * 16))
-#define OCTA_CRC_CHUNK(s, x)   ((fls((x) / 32)) << (1 + ((s) * 16)))
-#define OCTA_CRC_OUT_EN(s)     BIT(0 + ((s) * 16))
-
-#define ONFI_DIN_CNT(s)                (0x3c + (s))
-
-#define LRD_CTRL               0x48
-#define RWW_CTRL               0x74
-#define LWR_CTRL               0x84
-#define LMODE_EN               BIT(31)
-#define LMODE_SLV_ACT(x)       ((x) << 21)
-#define LMODE_CMD1(x)          ((x) << 8)
-#define LMODE_CMD0(x)          (x)
-
-#define LRD_ADDR               0x4c
-#define LWR_ADDR               0x88
-#define LRD_RANGE              0x50
-#define LWR_RANGE              0x8c
-
-#define AXI_SLV_ADDR           0x54
-
-#define DMAC_RD_CFG            0x58
-#define DMAC_WR_CFG            0x94
-#define DMAC_CFG_PERIPH_EN     BIT(31)
-#define DMAC_CFG_ALLFLUSH_EN   BIT(30)
-#define DMAC_CFG_LASTFLUSH_EN  BIT(29)
-#define DMAC_CFG_QE(x)         (((x) + 1) << 16)
-#define DMAC_CFG_BURST_LEN(x)  (((x) + 1) << 12)
-#define DMAC_CFG_BURST_SZ(x)   ((x) << 8)
-#define DMAC_CFG_DIR_READ      BIT(1)
-#define DMAC_CFG_START         BIT(0)
-
-#define DMAC_RD_CNT            0x5c
-#define DMAC_WR_CNT            0x98
-
-#define SDMA_ADDR              0x60
-
-#define DMAM_CFG               0x64
-#define DMAM_CFG_START         BIT(31)
-#define DMAM_CFG_CONT          BIT(30)
-#define DMAM_CFG_SDMA_GAP(x)   (fls((x) / 8192) << 2)
-#define DMAM_CFG_DIR_READ      BIT(1)
-#define DMAM_CFG_EN            BIT(0)
-
-#define DMAM_CNT               0x68
-
-#define LNR_TIMER_TH           0x6c
-
-#define RDM_CFG0               0x78
-#define RDM_CFG0_POLY(x)       (x)
-
-#define RDM_CFG1               0x7c
-#define RDM_CFG1_RDM_EN                BIT(31)
-#define RDM_CFG1_SEED(x)       (x)
-
-#define LWR_SUSP_CTRL          0x90
-#define LWR_SUSP_CTRL_EN       BIT(31)
-
-#define DMAS_CTRL              0x9c
-#define DMAS_CTRL_EN           BIT(31)
-#define DMAS_CTRL_DIR_READ     BIT(30)
-
-#define DATA_STROB             0xa0
-#define DATA_STROB_EDO_EN      BIT(2)
-#define DATA_STROB_INV_POL     BIT(1)
-#define DATA_STROB_DELAY_2CYC  BIT(0)
-
-#define IDLY_CODE(x)           (0xa4 + ((x) * 4))
-#define IDLY_CODE_VAL(x, v)    ((v) << (((x) % 4) * 8))
-
-#define GPIO                   0xc4
-#define GPIO_PT(x)             BIT(3 + ((x) * 16))
-#define GPIO_RESET(x)          BIT(2 + ((x) * 16))
-#define GPIO_HOLDB(x)          BIT(1 + ((x) * 16))
-#define GPIO_WPB(x)            BIT((x) * 16)
-
-#define HC_VER                 0xd0
-
-#define HW_TEST(x)             (0xe0 + ((x) * 4))
-
-#define MXIC_NFC_MAX_CLK_HZ    50000000
-#define IRQ_TIMEOUT            1000
-
-struct mxic_nand_ctrl {
-       struct clk *send_clk;
-       struct clk *send_dly_clk;
-       void __iomem *regs;
-       struct nand_chip nand_chip;
-};
-
-/*
- * struct mxic_nfc_command_format - Defines NAND flash command format
- * @start_cmd:         First cycle command (Start command)
- * @end_cmd:           Second cycle command (Last command)
- * @addr_len:          Number of address cycles required to send the address
- * @read:              Direction of command
- */
-
-struct mxic_nfc_command_format {
-       int start_cmd;
-       int end_cmd;
-       u8 addr_len;
-       bool read;
-};
-
-/*  The NAND flash operations command format */
-static const struct mxic_nfc_command_format mxic_nand_commands[] = {
-       {NAND_CMD_READ0,        NAND_CMD_READSTART, 5, 1 },
-       {NAND_CMD_RNDOUT,       NAND_CMD_RNDOUTSTART, 2, 1 },
-       {NAND_CMD_READID,       NAND_CMD_NONE, 1, 1 },
-       {NAND_CMD_STATUS,       NAND_CMD_NONE, 0, 1 },
-       {NAND_CMD_SEQIN,        NAND_CMD_NONE, 5, 0 },
-       {NAND_CMD_PAGEPROG,     NAND_CMD_NONE, 0, 0 },
-       {NAND_CMD_CACHEDPROG,   NAND_CMD_NONE, 0, 0 },
-       {NAND_CMD_RNDIN,        NAND_CMD_NONE, 2, 0 },
-       {NAND_CMD_ERASE1,       NAND_CMD_NONE, 3, 0 },
-       {NAND_CMD_ERASE2,       NAND_CMD_NONE, 0, 0 },
-       {NAND_CMD_RESET,        NAND_CMD_NONE, 0, 0 },
-       {NAND_CMD_PARAM,        NAND_CMD_NONE, 1, 1 },
-       {NAND_CMD_GET_FEATURES, NAND_CMD_NONE, 1, 1 },
-       {NAND_CMD_SET_FEATURES, NAND_CMD_NONE, 1, 0 },
-       {NAND_CMD_NONE,         NAND_CMD_NONE, 0, 0 },
-};
-
-static int mxic_nfc_clk_enable(struct mxic_nand_ctrl *nfc)
-{
-       int ret;
-
-       ret = clk_prepare_enable(nfc->send_clk);
-       if (ret)
-               return ret;
-
-       ret = clk_prepare_enable(nfc->send_dly_clk);
-       if (ret)
-               goto err_send_dly_clk;
-
-       return ret;
-
-err_send_dly_clk:
-       clk_disable_unprepare(nfc->send_clk);
-
-       return ret;
-}
-
-static void mxic_nfc_clk_disable(struct mxic_nand_ctrl *nfc)
-{
-       clk_disable_unprepare(nfc->send_clk);
-       clk_disable_unprepare(nfc->send_dly_clk);
-}
-
-static void mxic_nfc_set_input_delay(struct mxic_nand_ctrl *nfc, u8 idly_code)
-{
-       writel(IDLY_CODE_VAL(0, idly_code) |
-              IDLY_CODE_VAL(1, idly_code) |
-              IDLY_CODE_VAL(2, idly_code) |
-              IDLY_CODE_VAL(3, idly_code),
-              nfc->regs + IDLY_CODE(0));
-       writel(IDLY_CODE_VAL(4, idly_code) |
-              IDLY_CODE_VAL(5, idly_code) |
-              IDLY_CODE_VAL(6, idly_code) |
-              IDLY_CODE_VAL(7, idly_code),
-              nfc->regs + IDLY_CODE(1));
-}
-
-static int mxic_nfc_clk_setup(struct mxic_nand_ctrl *nfc, unsigned long freq)
-{
-       int ret;
-
-       ret = clk_set_rate(nfc->send_clk, freq);
-       if (ret)
-               return ret;
-
-       ret = clk_set_rate(nfc->send_dly_clk, freq);
-       if (ret)
-               return ret;
-
-       /*
-        * A constant delay range from 0x0 ~ 0x1F for input delay,
-        * the unit is 78 ps, the max input delay is 2.418 ns.
-        */
-       mxic_nfc_set_input_delay(nfc, 0xf);
-
-       return 0;
-}
-
-static int mxic_nfc_set_freq(struct mxic_nand_ctrl *nfc, unsigned long freq)
-{
-       int ret;
-
-       if (freq > MXIC_NFC_MAX_CLK_HZ)
-               freq = MXIC_NFC_MAX_CLK_HZ;
-
-       mxic_nfc_clk_disable(nfc);
-       ret = mxic_nfc_clk_setup(nfc, freq);
-       if (ret)
-               return ret;
-
-       ret = mxic_nfc_clk_enable(nfc);
-       if (ret)
-               return ret;
-
-       return 0;
-}
-
-static void mxic_nfc_hw_init(struct mxic_nand_ctrl *nfc)
-{
-       writel(HC_CFG_NIO(8) | HC_CFG_TYPE(1, HC_CFG_TYPE_RAW_NAND) |
-              HC_CFG_SLV_ACT(0) | HC_CFG_MAN_CS_EN |
-              HC_CFG_IDLE_SIO_LVL(1), nfc->regs + HC_CFG);
-       writel(INT_STS_ALL, nfc->regs + INT_STS_EN);
-       writel(INT_RDY_PIN, nfc->regs + INT_SIG_EN);
-       writel(0x0, nfc->regs + ONFI_DIN_CNT(0));
-       writel(0, nfc->regs + LRD_CFG);
-       writel(0, nfc->regs + LRD_CTRL);
-       writel(0x0, nfc->regs + HC_EN);
-}
-
-static void mxic_nfc_cs_enable(struct mxic_nand_ctrl *nfc)
-{
-       writel(readl(nfc->regs + HC_CFG) | HC_CFG_MAN_CS_EN,
-              nfc->regs + HC_CFG);
-       writel(HC_CFG_MAN_CS_ASSERT | readl(nfc->regs + HC_CFG),
-              nfc->regs + HC_CFG);
-}
-
-static void mxic_nfc_cs_disable(struct mxic_nand_ctrl *nfc)
-{
-       writel(~HC_CFG_MAN_CS_ASSERT & readl(nfc->regs + HC_CFG),
-              nfc->regs + HC_CFG);
-}
-
-static int mxic_nfc_data_xfer(struct mxic_nand_ctrl *nfc, const void *txbuf,
-                             void *rxbuf, unsigned int len)
-{
-       unsigned int pos = 0;
-
-       while (pos < len) {
-               unsigned int nbytes = len - pos;
-               u32 data = 0xffffffff;
-               u32 sts;
-               int ret;
-
-               if (nbytes > 4)
-                       nbytes = 4;
-
-               if (txbuf)
-                       memcpy(&data, txbuf + pos, nbytes);
-
-               ret = readl_poll_timeout(nfc->regs + INT_STS, sts,
-                                        sts & INT_TX_EMPTY, 1000000);
-               if (ret)
-                       return ret;
-
-               writel(data, nfc->regs + TXD(nbytes % 4));
-
-               ret = readl_poll_timeout(nfc->regs + INT_STS, sts,
-                                        sts & INT_TX_EMPTY, 1000000);
-               if (ret)
-                       return ret;
-
-               ret = readl_poll_timeout(nfc->regs + INT_STS, sts,
-                                        sts & INT_RX_NOT_EMPTY, 1000000);
-               if (ret)
-                       return ret;
-
-               data = readl(nfc->regs + RXD);
-               if (rxbuf) {
-                       data >>= (8 * (4 - nbytes));
-                       memcpy(rxbuf + pos, &data, nbytes);
-               }
-
-               WARN_ON(readl(nfc->regs + INT_STS) & INT_RX_NOT_EMPTY);
-
-               pos += nbytes;
-       }
-
-       return 0;
-}
-
-static uint8_t mxic_nfc_read_byte(struct mtd_info *mtd)
-{
-       struct nand_chip *chip = mtd_to_nand(mtd);
-       struct mxic_nand_ctrl *nfc = nand_get_controller_data(chip);
-       u8 data;
-
-       writel(0x0, nfc->regs + ONFI_DIN_CNT(0));
-       writel(OP_DATA_BUSW(OP_BUSW_8) | OP_DUMMY_CYC(0x3F) |
-              OP_READ, nfc->regs + SS_CTRL(0));
-
-       mxic_nfc_data_xfer(nfc, NULL, &data, 1);
-
-       return data;
-}
-
-static void mxic_nfc_read_buf(struct mtd_info *mtd, uint8_t *rxbuf, int rlen)
-{
-       struct nand_chip *chip = mtd_to_nand(mtd);
-       struct mxic_nand_ctrl *nfc = nand_get_controller_data(chip);
-
-       writel(0x0, nfc->regs + ONFI_DIN_CNT(0));
-       writel(OP_DATA_BUSW(OP_BUSW_8) | OP_DUMMY_CYC(0x3F) |
-                           OP_READ, nfc->regs + SS_CTRL(0));
-
-       mxic_nfc_data_xfer(nfc, NULL, rxbuf, rlen);
-}
-
-static void mxic_nfc_write_buf(struct mtd_info *mtd, const uint8_t *txbuf,
-                              int wlen)
-{
-       struct nand_chip *chip = mtd_to_nand(mtd);
-       struct mxic_nand_ctrl *nfc = nand_get_controller_data(chip);
-
-       writel(wlen, nfc->regs + ONFI_DIN_CNT(0));
-       writel(OP_DATA_BUSW(OP_BUSW_8) | OP_DUMMY_CYC(0x3F),
-              nfc->regs + SS_CTRL(0));
-
-       mxic_nfc_data_xfer(nfc, txbuf, NULL, wlen);
-}
-
-static void mxic_nfc_cmd_function(struct mtd_info *mtd, unsigned int command,
-                                 int column, int page_addr)
-{
-       struct nand_chip *chip = mtd_to_nand(mtd);
-       struct mxic_nand_ctrl *nfc = nand_get_controller_data(chip);
-       const struct mxic_nfc_command_format *cmd = NULL;
-       u32 sts;
-       u8 index, addr[5];
-
-       /* Emulate NAND_CMD_READOOB */
-       if (command == NAND_CMD_READOOB) {
-               column += mtd->writesize;
-               command = NAND_CMD_READ0;
-       }
-
-       /* Get the command format */
-       for (index = 0; index < ARRAY_SIZE(mxic_nand_commands); index++)
-               if (command == mxic_nand_commands[index].start_cmd)
-                       break;
-
-       cmd = &mxic_nand_commands[index];
-
-       if (!(command == NAND_CMD_PAGEPROG ||
-             command == NAND_CMD_CACHEDPROG ||
-             command == NAND_CMD_ERASE2))
-               mxic_nfc_cs_disable(nfc);
-
-       mxic_nfc_cs_enable(nfc);
-
-       if (column != -1) {
-               addr[0] = column;
-               addr[1] = column >> 8;
-
-               if (page_addr != -1) {
-                       addr[2] = page_addr;
-                       addr[3] = page_addr >> 8;
-                       addr[4] = page_addr >> 16;
-               }
-       } else if (page_addr != -1) {
-               addr[0] = page_addr;
-               addr[1] = page_addr >> 8;
-               addr[2] = page_addr >> 16;
-       }
-
-       writel(0, nfc->regs + HC_EN);
-       writel(HC_EN_BIT, nfc->regs + HC_EN);
-       writel(OP_CMD_BUSW(OP_BUSW_8) |  OP_DUMMY_CYC(0x3F) | OP_CMD_BYTES(0),
-              nfc->regs + SS_CTRL(0));
-
-       mxic_nfc_data_xfer(nfc, &cmd->start_cmd, NULL, 1);
-
-       if (cmd->addr_len) {
-               writel(OP_ADDR_BUSW(OP_BUSW_8) | OP_DUMMY_CYC(0x3F) |
-                      OP_ADDR_BYTES(cmd->addr_len), nfc->regs + SS_CTRL(0));
-
-               mxic_nfc_data_xfer(nfc, &addr, NULL, cmd->addr_len);
-       }
-
-       if (cmd->end_cmd != NAND_CMD_NONE) {
-               writel(0, nfc->regs + HC_EN);
-               writel(HC_EN_BIT, nfc->regs + HC_EN);
-               writel(OP_CMD_BUSW(OP_BUSW_8) |  OP_DUMMY_CYC(0x3F) |
-                      OP_CMD_BYTES(0), nfc->regs + SS_CTRL(0));
-
-               mxic_nfc_data_xfer(nfc, &cmd->end_cmd, NULL, 1);
-       }
-
-       readl_poll_timeout(nfc->regs + INT_STS, sts, sts & INT_RDY_PIN,
-                          1000000);
-
-       if (command == NAND_CMD_PAGEPROG ||
-           command == NAND_CMD_CACHEDPROG ||
-           command == NAND_CMD_ERASE2 ||
-           command == NAND_CMD_RESET) {
-               mxic_nfc_cs_disable(nfc);
-       }
-}
-
-static int mxic_nfc_setup_data_interface(struct mtd_info *mtd, int chipnr,
-                                        const struct nand_data_interface *conf)
-{
-       struct nand_chip *chip = mtd_to_nand(mtd);
-       struct mxic_nand_ctrl *nfc = nand_get_controller_data(chip);
-       const struct nand_sdr_timings *sdr;
-       unsigned long freq;
-       int ret;
-
-       sdr = nand_get_sdr_timings(conf);
-       if (IS_ERR(sdr))
-               return PTR_ERR(sdr);
-
-       if (chipnr == NAND_DATA_IFACE_CHECK_ONLY)
-               return 0;
-
-       freq = 1000000000 / (sdr->tRC_min / 1000);
-
-       ret =  mxic_nfc_set_freq(nfc, freq);
-       if (ret)
-               WARN_ON("Set freq failed\n");
-
-       if (sdr->tRC_min < 30000)
-               writel(DATA_STROB_EDO_EN, nfc->regs + DATA_STROB);
-
-       return 0;
-}
-
-/* Dummy implementation: we don't support multiple chips */
-static void mxic_nfc_select_chip(struct mtd_info *mtd, int chipnr)
-{
-       switch (chipnr) {
-       case -1:
-       case 0:
-               break;
-
-       default:
-               BUG();
-       }
-}
-
-static int mxic_nfc_probe(struct udevice *dev)
-{
-       struct mxic_nand_ctrl *nfc = dev_get_priv(dev);
-       struct nand_chip *nand_chip = &nfc->nand_chip;
-       struct mtd_info *mtd;
-       ofnode child;
-       int err;
-
-       nfc->regs = dev_read_addr_ptr(dev);
-
-       nfc->send_clk = devm_clk_get(dev, "send");
-       if (IS_ERR(nfc->send_clk))
-               return PTR_ERR(nfc->send_clk);
-
-       nfc->send_dly_clk = devm_clk_get(dev, "send_dly");
-       if (IS_ERR(nfc->send_dly_clk))
-               return PTR_ERR(nfc->send_dly_clk);
-
-       mtd = nand_to_mtd(nand_chip);
-
-       ofnode_for_each_subnode(child, dev_ofnode(dev))
-               nand_set_flash_node(nand_chip, child);
-
-       nand_set_controller_data(nand_chip, nfc);
-
-       nand_chip->select_chip = mxic_nfc_select_chip;
-       nand_chip->setup_data_interface = mxic_nfc_setup_data_interface;
-       nand_chip->cmdfunc = mxic_nfc_cmd_function;
-       nand_chip->read_byte = mxic_nfc_read_byte;
-       nand_chip->read_buf = mxic_nfc_read_buf;
-       nand_chip->write_buf = mxic_nfc_write_buf;
-
-       mxic_nfc_hw_init(nfc);
-
-       err = nand_scan(mtd, 1);
-       if (err)
-               return err;
-
-       err = nand_register(0, mtd);
-       if (err) {
-               dev_err(dev, "Failed to register MTD: %d\n", err);
-               return err;
-       }
-
-       return 0;
-}
-
-static const struct udevice_id mxic_nfc_of_ids[] = {
-       { .compatible = "mxic,multi-itfc-v009-nand-controller" },
-       { /* Sentinel */ }
-};
-
-U_BOOT_DRIVER(mxic_nfc) = {
-       .name = "mxic_nfc",
-       .id = UCLASS_MTD,
-       .of_match = mxic_nfc_of_ids,
-       .probe = mxic_nfc_probe,
-       .priv_auto = sizeof(struct mxic_nand_ctrl),
-};
-
-void board_nand_init(void)
-{
-       struct udevice *dev;
-       int ret;
-
-       ret = uclass_get_device_by_driver(UCLASS_MTD,
-                                         DM_DRIVER_GET(mxic_nfc), &dev);
-       if (ret && ret != -ENODEV)
-               pr_err("Failed to initialize %s. (error %d)\n", dev->name,
-                      ret);
-}
-- 
2.43.0

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