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-rw-r--r--drivers/mtd/nand/mxc_nand.c119
1 files changed, 108 insertions, 11 deletions
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 6ae95d6..db72cdc 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -22,7 +22,8 @@
#include <nand.h>
#include <linux/err.h>
#include <asm/io.h>
-#if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX35)
+#if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX35) || \
+ defined(CONFIG_MX51) || defined(CONFIG_MX53)
#include <asm/arch/imx-regs.h>
#endif
#include <fsl_nfc.h>
@@ -36,6 +37,9 @@ struct mxc_nand_host {
struct nand_chip *nand;
struct fsl_nfc_regs __iomem *regs;
+#ifdef MXC_NFC_V3_2
+ struct fsl_nfc_ip_regs __iomem *ip_regs;
+#endif
int spare_only;
int status_request;
int pagesize_2k;
@@ -77,7 +81,7 @@ static struct nand_ecclayout nand_hw_eccoob2k = {
.oobfree = { {2, 4}, {11, 11}, {27, 11}, {43, 11}, {59, 5} },
};
#endif
-#elif defined(MXC_NFC_V2_1)
+#elif defined(MXC_NFC_V2_1) || defined(MXC_NFC_V3_2)
#ifndef CONFIG_SYS_NAND_LARGEPAGE
static struct nand_ecclayout nand_hw_eccoob = {
.eccbytes = 9,
@@ -127,10 +131,17 @@ static void wait_op_done(struct mxc_nand_host *host, int max_retries,
uint32_t tmp;
while (max_retries-- > 0) {
+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
tmp = readnfc(&host->regs->config2);
if (tmp & NFC_V1_V2_CONFIG2_INT) {
tmp &= ~NFC_V1_V2_CONFIG2_INT;
writenfc(tmp, &host->regs->config2);
+#elif defined(MXC_NFC_V3_2)
+ tmp = readnfc(&host->ip_regs->ipc);
+ if (tmp & NFC_V3_IPC_INT) {
+ tmp &= ~NFC_V3_IPC_INT;
+ writenfc(tmp, &host->ip_regs->ipc);
+#endif
break;
}
udelay(1);
@@ -182,7 +193,7 @@ static void send_prog_page(struct mxc_nand_host *host, uint8_t buf_id,
if (spare_only)
MTDDEBUG(MTD_DEBUG_LEVEL1, "send_prog_page (%d)\n", spare_only);
- if (is_mxc_nfc_21()) {
+ if (is_mxc_nfc_21() || is_mxc_nfc_32()) {
int i;
/*
* The controller copies the 64 bytes of spare data from
@@ -198,11 +209,18 @@ static void send_prog_page(struct mxc_nand_host *host, uint8_t buf_id,
}
}
+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
writenfc(buf_id, &host->regs->buf_addr);
+#elif defined(MXC_NFC_V3_2)
+ uint32_t tmp = readnfc(&host->regs->config1);
+ tmp &= ~NFC_V3_CONFIG1_RBA_MASK;
+ tmp |= NFC_V3_CONFIG1_RBA(buf_id);
+ writenfc(tmp, &host->regs->config1);
+#endif
/* Configure spare or page+spare access */
if (!host->pagesize_2k) {
- uint16_t config1 = readnfc(&host->regs->config1);
+ uint32_t config1 = readnfc(&host->regs->config1);
if (spare_only)
config1 |= NFC_CONFIG1_SP_EN;
else
@@ -225,7 +243,14 @@ static void send_read_page(struct mxc_nand_host *host, uint8_t buf_id,
{
MTDDEBUG(MTD_DEBUG_LEVEL3, "send_read_page (%d)\n", spare_only);
+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
writenfc(buf_id, &host->regs->buf_addr);
+#elif defined(MXC_NFC_V3_2)
+ uint32_t tmp = readnfc(&host->regs->config1);
+ tmp &= ~NFC_V3_CONFIG1_RBA_MASK;
+ tmp |= NFC_V3_CONFIG1_RBA(buf_id);
+ writenfc(tmp, &host->regs->config1);
+#endif
/* Configure spare or page+spare access */
if (!host->pagesize_2k) {
@@ -242,7 +267,7 @@ static void send_read_page(struct mxc_nand_host *host, uint8_t buf_id,
/* Wait for operation to complete */
wait_op_done(host, TROP_US_DELAY, spare_only);
- if (is_mxc_nfc_21()) {
+ if (is_mxc_nfc_21() || is_mxc_nfc_32()) {
int i;
/*
@@ -262,10 +287,16 @@ static void send_read_page(struct mxc_nand_host *host, uint8_t buf_id,
/* Request the NANDFC to perform a read of the NAND device ID. */
static void send_read_id(struct mxc_nand_host *host)
{
- uint16_t tmp;
+ uint32_t tmp;
+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
/* NANDFC buffer 0 is used for device ID output */
writenfc(0x0, &host->regs->buf_addr);
+#elif defined(MXC_NFC_V3_2)
+ tmp = readnfc(&host->regs->config1);
+ tmp &= ~NFC_V3_CONFIG1_RBA_MASK;
+ writenfc(tmp, &host->regs->config1);
+#endif
/* Read ID into main buffer */
tmp = readnfc(&host->regs->config1);
@@ -284,15 +315,19 @@ static void send_read_id(struct mxc_nand_host *host)
*/
static uint16_t get_dev_status(struct mxc_nand_host *host)
{
+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
void __iomem *main_buf = host->regs->main_area[1];
uint32_t store;
- uint16_t ret, tmp;
+#endif
+ uint32_t ret, tmp;
/* Issue status request to NAND device */
+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
/* store the main area1 first word, later do recovery */
store = readl(main_buf);
/* NANDFC buffer 1 is used for device status */
writenfc(1, &host->regs->buf_addr);
+#endif
/* Read status into main buffer */
tmp = readnfc(&host->regs->config1);
@@ -304,12 +339,16 @@ static uint16_t get_dev_status(struct mxc_nand_host *host)
/* Wait for operation to complete */
wait_op_done(host, TROP_US_DELAY, 0);
+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
/*
* Status is placed in first word of main buffer
* get status, then recovery area 1 data
*/
ret = readw(main_buf);
writel(store, main_buf);
+#elif defined(MXC_NFC_V3_2)
+ ret = readnfc(&host->regs->config1) >> 16;
+#endif
return ret;
}
@@ -328,6 +367,7 @@ static void _mxc_nand_enable_hwecc(struct mtd_info *mtd, int on)
{
struct nand_chip *nand_chip = mtd->priv;
struct mxc_nand_host *host = nand_chip->priv;
+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
uint16_t tmp = readnfc(&host->regs->config1);
if (on)
@@ -335,6 +375,15 @@ static void _mxc_nand_enable_hwecc(struct mtd_info *mtd, int on)
else
tmp &= ~NFC_V1_V2_CONFIG1_ECC_EN;
writenfc(tmp, &host->regs->config1);
+#elif defined(MXC_NFC_V3_2)
+ uint32_t tmp = readnfc(&host->ip_regs->config2);
+
+ if (on)
+ tmp |= NFC_V3_CONFIG2_ECC_EN;
+ else
+ tmp &= ~NFC_V3_CONFIG2_ECC_EN;
+ writenfc(tmp, &host->ip_regs->config2);
+#endif
}
#ifdef CONFIG_MXC_NAND_HWECC
@@ -346,7 +395,7 @@ static void mxc_nand_enable_hwecc(struct mtd_info *mtd, int mode)
*/
}
-#ifdef MXC_NFC_V2_1
+#if defined(MXC_NFC_V2_1) || defined(MXC_NFC_V3_2)
static int mxc_nand_read_oob_syndrome(struct mtd_info *mtd,
struct nand_chip *chip,
int page, int sndcmd)
@@ -1136,8 +1185,8 @@ static struct nand_bbt_descr bbt_mirror_descr = {
int board_nand_init(struct nand_chip *this)
{
struct mtd_info *mtd;
-#ifdef MXC_NFC_V2_1
- uint16_t tmp;
+#if defined(MXC_NFC_V2_1) || defined(MXC_NFC_V3_2)
+ uint32_t tmp;
#endif
#ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
@@ -1165,13 +1214,17 @@ int board_nand_init(struct nand_chip *this)
this->verify_buf = mxc_nand_verify_buf;
host->regs = (struct fsl_nfc_regs __iomem *)CONFIG_MXC_NAND_REGS_BASE;
+#ifdef MXC_NFC_V3_2
+ host->ip_regs =
+ (struct fsl_nfc_ip_regs __iomem *)CONFIG_MXC_NAND_IP_REGS_BASE;
+#endif
host->clk_act = 1;
#ifdef CONFIG_MXC_NAND_HWECC
this->ecc.calculate = mxc_nand_calculate_ecc;
this->ecc.hwctl = mxc_nand_enable_hwecc;
this->ecc.correct = mxc_nand_correct_data;
- if (is_mxc_nfc_21()) {
+ if (is_mxc_nfc_21() || is_mxc_nfc_32()) {
this->ecc.mode = NAND_ECC_HW_SYNDROME;
this->ecc.read_page = mxc_nand_read_page_syndrome;
this->ecc.read_page_raw = mxc_nand_read_page_raw_syndrome;
@@ -1209,6 +1262,7 @@ int board_nand_init(struct nand_chip *this)
this->ecc.layout = &nand_hw_eccoob;
#endif
+#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
#ifdef MXC_NFC_V2_1
tmp = readnfc(&host->regs->config1);
tmp |= NFC_V2_CONFIG1_ONE_CYCLE;
@@ -1243,6 +1297,49 @@ int board_nand_init(struct nand_chip *this)
/* Unlock Block Command for given address range */
writenfc(0x4, &host->regs->wrprot);
+#elif defined(MXC_NFC_V3_2)
+ writenfc(NFC_V3_CONFIG1_RBA(0), &host->regs->config1);
+ writenfc(NFC_V3_IPC_CREQ, &host->ip_regs->ipc);
+
+ /* Unlock the internal RAM Buffer */
+ writenfc(NFC_V3_WRPROT_BLS_UNLOCK | NFC_V3_WRPROT_UNLOCK,
+ &host->ip_regs->wrprot);
+
+ /* Blocks to be unlocked */
+ for (tmp = 0; tmp < CONFIG_SYS_NAND_MAX_CHIPS; tmp++)
+ writenfc(0x0 | 0xFFFF << 16,
+ &host->ip_regs->wrprot_unlock_blkaddr[tmp]);
+
+ writenfc(0, &host->ip_regs->ipc);
+
+ tmp = readnfc(&host->ip_regs->config2);
+ tmp &= ~(NFC_V3_CONFIG2_SPAS_MASK | NFC_V3_CONFIG2_EDC_MASK |
+ NFC_V3_CONFIG2_ECC_MODE_8 | NFC_V3_CONFIG2_PS_MASK);
+ tmp |= NFC_V3_CONFIG2_ONE_CYCLE;
+
+ if (host->pagesize_2k) {
+ tmp |= NFC_V3_CONFIG2_SPAS(64/2);
+ tmp |= NFC_V3_CONFIG2_PS_2048;
+ } else {
+ tmp |= NFC_V3_CONFIG2_SPAS(16/2);
+ tmp |= NFC_V3_CONFIG2_PS_512;
+ }
+
+ writenfc(tmp, &host->ip_regs->config2);
+
+ tmp = NFC_V3_CONFIG3_NUM_OF_DEVS(0) |
+ NFC_V3_CONFIG3_NO_SDMA |
+ NFC_V3_CONFIG3_RBB_MODE |
+ NFC_V3_CONFIG3_SBB(6) | /* Reset default */
+ NFC_V3_CONFIG3_ADD_OP(0);
+
+ if (!(this->options & NAND_BUSWIDTH_16))
+ tmp |= NFC_V3_CONFIG3_FW8;
+
+ writenfc(tmp, &host->ip_regs->config3);
+
+ writenfc(0, &host->ip_regs->delay_line);
+#endif
return 0;
}
generated by cgit v1.1 at 2024-12-17 10:08:48 +0000