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@@ -22,7 +22,8 @@
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#include <nand.h>
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#include <linux/err.h>
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#include <asm/io.h>
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-#if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX35)
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+#if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX35) || \
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+ defined(CONFIG_MX51) || defined(CONFIG_MX53)
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#include <asm/arch/imx-regs.h>
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#endif
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#include <fsl_nfc.h>
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@@ -36,6 +37,9 @@ struct mxc_nand_host {
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struct nand_chip *nand;
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struct fsl_nfc_regs __iomem *regs;
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+#ifdef MXC_NFC_V3_2
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+ struct fsl_nfc_ip_regs __iomem *ip_regs;
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+#endif
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int spare_only;
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int status_request;
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int pagesize_2k;
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@@ -77,7 +81,7 @@ static struct nand_ecclayout nand_hw_eccoob2k = {
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.oobfree = { {2, 4}, {11, 11}, {27, 11}, {43, 11}, {59, 5} },
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};
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#endif
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-#elif defined(MXC_NFC_V2_1)
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+#elif defined(MXC_NFC_V2_1) || defined(MXC_NFC_V3_2)
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#ifndef CONFIG_SYS_NAND_LARGEPAGE
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static struct nand_ecclayout nand_hw_eccoob = {
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.eccbytes = 9,
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@@ -127,10 +131,17 @@ static void wait_op_done(struct mxc_nand_host *host, int max_retries,
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uint32_t tmp;
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while (max_retries-- > 0) {
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+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
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tmp = readnfc(&host->regs->config2);
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if (tmp & NFC_V1_V2_CONFIG2_INT) {
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tmp &= ~NFC_V1_V2_CONFIG2_INT;
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writenfc(tmp, &host->regs->config2);
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+#elif defined(MXC_NFC_V3_2)
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+ tmp = readnfc(&host->ip_regs->ipc);
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+ if (tmp & NFC_V3_IPC_INT) {
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+ tmp &= ~NFC_V3_IPC_INT;
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+ writenfc(tmp, &host->ip_regs->ipc);
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+#endif
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break;
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}
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udelay(1);
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@@ -182,7 +193,7 @@ static void send_prog_page(struct mxc_nand_host *host, uint8_t buf_id,
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if (spare_only)
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MTDDEBUG(MTD_DEBUG_LEVEL1, "send_prog_page (%d)\n", spare_only);
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- if (is_mxc_nfc_21()) {
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+ if (is_mxc_nfc_21() || is_mxc_nfc_32()) {
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int i;
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/*
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* The controller copies the 64 bytes of spare data from
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@@ -198,11 +209,18 @@ static void send_prog_page(struct mxc_nand_host *host, uint8_t buf_id,
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}
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}
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+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
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writenfc(buf_id, &host->regs->buf_addr);
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+#elif defined(MXC_NFC_V3_2)
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+ uint32_t tmp = readnfc(&host->regs->config1);
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+ tmp &= ~NFC_V3_CONFIG1_RBA_MASK;
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+ tmp |= NFC_V3_CONFIG1_RBA(buf_id);
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+ writenfc(tmp, &host->regs->config1);
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+#endif
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/* Configure spare or page+spare access */
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if (!host->pagesize_2k) {
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- uint16_t config1 = readnfc(&host->regs->config1);
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+ uint32_t config1 = readnfc(&host->regs->config1);
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if (spare_only)
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config1 |= NFC_CONFIG1_SP_EN;
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else
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@@ -225,7 +243,14 @@ static void send_read_page(struct mxc_nand_host *host, uint8_t buf_id,
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{
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MTDDEBUG(MTD_DEBUG_LEVEL3, "send_read_page (%d)\n", spare_only);
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+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
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writenfc(buf_id, &host->regs->buf_addr);
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+#elif defined(MXC_NFC_V3_2)
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+ uint32_t tmp = readnfc(&host->regs->config1);
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+ tmp &= ~NFC_V3_CONFIG1_RBA_MASK;
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+ tmp |= NFC_V3_CONFIG1_RBA(buf_id);
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+ writenfc(tmp, &host->regs->config1);
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+#endif
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/* Configure spare or page+spare access */
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if (!host->pagesize_2k) {
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@@ -242,7 +267,7 @@ static void send_read_page(struct mxc_nand_host *host, uint8_t buf_id,
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/* Wait for operation to complete */
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wait_op_done(host, TROP_US_DELAY, spare_only);
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- if (is_mxc_nfc_21()) {
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+ if (is_mxc_nfc_21() || is_mxc_nfc_32()) {
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int i;
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/*
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@@ -262,10 +287,16 @@ static void send_read_page(struct mxc_nand_host *host, uint8_t buf_id,
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/* Request the NANDFC to perform a read of the NAND device ID. */
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static void send_read_id(struct mxc_nand_host *host)
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{
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- uint16_t tmp;
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+ uint32_t tmp;
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+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
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/* NANDFC buffer 0 is used for device ID output */
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writenfc(0x0, &host->regs->buf_addr);
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+#elif defined(MXC_NFC_V3_2)
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+ tmp = readnfc(&host->regs->config1);
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+ tmp &= ~NFC_V3_CONFIG1_RBA_MASK;
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+ writenfc(tmp, &host->regs->config1);
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+#endif
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/* Read ID into main buffer */
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tmp = readnfc(&host->regs->config1);
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@@ -284,15 +315,19 @@ static void send_read_id(struct mxc_nand_host *host)
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*/
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static uint16_t get_dev_status(struct mxc_nand_host *host)
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{
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+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
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void __iomem *main_buf = host->regs->main_area[1];
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uint32_t store;
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- uint16_t ret, tmp;
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+#endif
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+ uint32_t ret, tmp;
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/* Issue status request to NAND device */
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+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
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/* store the main area1 first word, later do recovery */
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store = readl(main_buf);
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/* NANDFC buffer 1 is used for device status */
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writenfc(1, &host->regs->buf_addr);
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+#endif
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/* Read status into main buffer */
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tmp = readnfc(&host->regs->config1);
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@@ -304,12 +339,16 @@ static uint16_t get_dev_status(struct mxc_nand_host *host)
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/* Wait for operation to complete */
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wait_op_done(host, TROP_US_DELAY, 0);
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+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
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/*
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* Status is placed in first word of main buffer
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* get status, then recovery area 1 data
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*/
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ret = readw(main_buf);
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writel(store, main_buf);
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+#elif defined(MXC_NFC_V3_2)
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+ ret = readnfc(&host->regs->config1) >> 16;
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+#endif
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return ret;
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}
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@@ -328,6 +367,7 @@ static void _mxc_nand_enable_hwecc(struct mtd_info *mtd, int on)
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{
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struct nand_chip *nand_chip = mtd->priv;
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struct mxc_nand_host *host = nand_chip->priv;
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+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
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uint16_t tmp = readnfc(&host->regs->config1);
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if (on)
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@@ -335,6 +375,15 @@ static void _mxc_nand_enable_hwecc(struct mtd_info *mtd, int on)
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else
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tmp &= ~NFC_V1_V2_CONFIG1_ECC_EN;
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writenfc(tmp, &host->regs->config1);
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+#elif defined(MXC_NFC_V3_2)
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+ uint32_t tmp = readnfc(&host->ip_regs->config2);
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+
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+ if (on)
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+ tmp |= NFC_V3_CONFIG2_ECC_EN;
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+ else
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+ tmp &= ~NFC_V3_CONFIG2_ECC_EN;
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+ writenfc(tmp, &host->ip_regs->config2);
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+#endif
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}
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#ifdef CONFIG_MXC_NAND_HWECC
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@@ -346,7 +395,7 @@ static void mxc_nand_enable_hwecc(struct mtd_info *mtd, int mode)
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*/
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}
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-#ifdef MXC_NFC_V2_1
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+#if defined(MXC_NFC_V2_1) || defined(MXC_NFC_V3_2)
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static int mxc_nand_read_oob_syndrome(struct mtd_info *mtd,
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struct nand_chip *chip,
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int page, int sndcmd)
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@@ -1136,8 +1185,8 @@ static struct nand_bbt_descr bbt_mirror_descr = {
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int board_nand_init(struct nand_chip *this)
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{
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struct mtd_info *mtd;
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-#ifdef MXC_NFC_V2_1
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- uint16_t tmp;
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+#if defined(MXC_NFC_V2_1) || defined(MXC_NFC_V3_2)
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+ uint32_t tmp;
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#endif
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#ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
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@@ -1165,13 +1214,17 @@ int board_nand_init(struct nand_chip *this)
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this->verify_buf = mxc_nand_verify_buf;
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host->regs = (struct fsl_nfc_regs __iomem *)CONFIG_MXC_NAND_REGS_BASE;
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+#ifdef MXC_NFC_V3_2
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+ host->ip_regs =
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+ (struct fsl_nfc_ip_regs __iomem *)CONFIG_MXC_NAND_IP_REGS_BASE;
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+#endif
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host->clk_act = 1;
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#ifdef CONFIG_MXC_NAND_HWECC
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this->ecc.calculate = mxc_nand_calculate_ecc;
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this->ecc.hwctl = mxc_nand_enable_hwecc;
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this->ecc.correct = mxc_nand_correct_data;
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- if (is_mxc_nfc_21()) {
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+ if (is_mxc_nfc_21() || is_mxc_nfc_32()) {
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this->ecc.mode = NAND_ECC_HW_SYNDROME;
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this->ecc.read_page = mxc_nand_read_page_syndrome;
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this->ecc.read_page_raw = mxc_nand_read_page_raw_syndrome;
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@@ -1209,6 +1262,7 @@ int board_nand_init(struct nand_chip *this)
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this->ecc.layout = &nand_hw_eccoob;
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#endif
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+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
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#ifdef MXC_NFC_V2_1
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tmp = readnfc(&host->regs->config1);
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tmp |= NFC_V2_CONFIG1_ONE_CYCLE;
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@@ -1243,6 +1297,49 @@ int board_nand_init(struct nand_chip *this)
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/* Unlock Block Command for given address range */
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writenfc(0x4, &host->regs->wrprot);
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+#elif defined(MXC_NFC_V3_2)
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+ writenfc(NFC_V3_CONFIG1_RBA(0), &host->regs->config1);
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+ writenfc(NFC_V3_IPC_CREQ, &host->ip_regs->ipc);
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+
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+ /* Unlock the internal RAM Buffer */
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+ writenfc(NFC_V3_WRPROT_BLS_UNLOCK | NFC_V3_WRPROT_UNLOCK,
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+ &host->ip_regs->wrprot);
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+
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+ /* Blocks to be unlocked */
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+ for (tmp = 0; tmp < CONFIG_SYS_NAND_MAX_CHIPS; tmp++)
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+ writenfc(0x0 | 0xFFFF << 16,
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+ &host->ip_regs->wrprot_unlock_blkaddr[tmp]);
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+
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+ writenfc(0, &host->ip_regs->ipc);
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+
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+ tmp = readnfc(&host->ip_regs->config2);
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+ tmp &= ~(NFC_V3_CONFIG2_SPAS_MASK | NFC_V3_CONFIG2_EDC_MASK |
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+ NFC_V3_CONFIG2_ECC_MODE_8 | NFC_V3_CONFIG2_PS_MASK);
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+ tmp |= NFC_V3_CONFIG2_ONE_CYCLE;
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+
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+ if (host->pagesize_2k) {
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+ tmp |= NFC_V3_CONFIG2_SPAS(64/2);
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+ tmp |= NFC_V3_CONFIG2_PS_2048;
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+ } else {
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+ tmp |= NFC_V3_CONFIG2_SPAS(16/2);
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+ tmp |= NFC_V3_CONFIG2_PS_512;
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+ }
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+
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+ writenfc(tmp, &host->ip_regs->config2);
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+
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+ tmp = NFC_V3_CONFIG3_NUM_OF_DEVS(0) |
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+ NFC_V3_CONFIG3_NO_SDMA |
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+ NFC_V3_CONFIG3_RBB_MODE |
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+ NFC_V3_CONFIG3_SBB(6) | /* Reset default */
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+ NFC_V3_CONFIG3_ADD_OP(0);
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+
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+ if (!(this->options & NAND_BUSWIDTH_16))
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+ tmp |= NFC_V3_CONFIG3_FW8;
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+
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+ writenfc(tmp, &host->ip_regs->config3);
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+
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+ writenfc(0, &host->ip_regs->delay_line);
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+#endif
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return 0;
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}
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