* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include <common.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/types.h>
-#include <common.h>
#include <malloc.h>
#include <asm/errno.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
+#include <asm/imx-common/regs-bch.h>
+#include <asm/imx-common/regs-gpmi.h>
#include <asm/arch/sys_proto.h>
-#include <asm/arch/dma.h>
+#include <asm/imx-common/dma.h>
#define MXS_NAND_DMA_DESCRIPTOR_COUNT 4
#define MXS_NAND_CHUNK_DATA_CHUNK_SIZE 512
+#if defined(CONFIG_MX6)
+#define MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT 2
+#else
+#define MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT 0
+#endif
#define MXS_NAND_METADATA_SIZE 10
#define MXS_NAND_COMMAND_BUFFER_SIZE 32
*/
static int mxs_nand_wait_for_bch_complete(void)
{
- struct mx28_bch_regs *bch_regs = (struct mx28_bch_regs *)MXS_BCH_BASE;
+ struct mxs_bch_regs *bch_regs = (struct mxs_bch_regs *)MXS_BCH_BASE;
int timeout = MXS_NAND_BCH_TIMEOUT;
int ret;
- ret = mx28_wait_mask_set(&bch_regs->hw_bch_ctrl_reg,
+ ret = mxs_wait_mask_set(&bch_regs->hw_bch_ctrl_reg,
BCH_CTRL_COMPLETE_IRQ, timeout);
writel(BCH_CTRL_COMPLETE_IRQ, &bch_regs->hw_bch_ctrl_clr);
{
struct nand_chip *chip = mtd->priv;
struct mxs_nand_info *nand_info = chip->priv;
- struct mx28_gpmi_regs *gpmi_regs =
- (struct mx28_gpmi_regs *)MXS_GPMI_BASE;
+ struct mxs_gpmi_regs *gpmi_regs =
+ (struct mxs_gpmi_regs *)MXS_GPMI_BASE;
uint32_t tmp;
tmp = readl(&gpmi_regs->hw_gpmi_stat);
* Read a page from NAND.
*/
static int mxs_nand_ecc_read_page(struct mtd_info *mtd, struct nand_chip *nand,
- uint8_t *buf, int page)
+ uint8_t *buf, int oob_required,
+ int page)
{
struct mxs_nand_info *nand_info = nand->priv;
struct mxs_dma_desc *d;
/*
* Write a page to NAND.
*/
-static void mxs_nand_ecc_write_page(struct mtd_info *mtd,
- struct nand_chip *nand, const uint8_t *buf)
+static int mxs_nand_ecc_write_page(struct mtd_info *mtd,
+ struct nand_chip *nand, const uint8_t *buf,
+ int oob_required)
{
struct mxs_nand_info *nand_info = nand->priv;
struct mxs_dma_desc *d;
rtn:
mxs_nand_return_dma_descs(nand_info);
+ return 0;
}
/*
struct mxs_nand_info *nand_info = chip->priv;
int ret;
- if (ops->mode == MTD_OOB_RAW)
+ if (ops->mode == MTD_OPS_RAW)
nand_info->raw_oob_mode = 1;
else
nand_info->raw_oob_mode = 0;
struct mxs_nand_info *nand_info = chip->priv;
int ret;
- if (ops->mode == MTD_OOB_RAW)
+ if (ops->mode == MTD_OPS_RAW)
nand_info->raw_oob_mode = 1;
else
nand_info->raw_oob_mode = 0;
* what to do.
*/
static int mxs_nand_ecc_read_oob(struct mtd_info *mtd, struct nand_chip *nand,
- int page, int cmd)
+ int page)
{
struct mxs_nand_info *nand_info = nand->priv;
{
struct nand_chip *nand = mtd->priv;
struct mxs_nand_info *nand_info = nand->priv;
- struct mx28_bch_regs *bch_regs = (struct mx28_bch_regs *)MXS_BCH_BASE;
+ struct mxs_bch_regs *bch_regs = (struct mxs_bch_regs *)MXS_BCH_BASE;
uint32_t tmp;
/* Configure BCH and set NFC geometry */
- mx28_reset_block(&bch_regs->hw_bch_ctrl_reg);
+ mxs_reset_block(&bch_regs->hw_bch_ctrl_reg);
/* Configure layout 0 */
tmp = (mxs_nand_ecc_chunk_cnt(mtd->writesize) - 1)
tmp |= MXS_NAND_METADATA_SIZE << BCH_FLASHLAYOUT0_META_SIZE_OFFSET;
tmp |= (mxs_nand_get_ecc_strength(mtd->writesize, mtd->oobsize) >> 1)
<< BCH_FLASHLAYOUT0_ECC0_OFFSET;
- tmp |= MXS_NAND_CHUNK_DATA_CHUNK_SIZE;
+ tmp |= MXS_NAND_CHUNK_DATA_CHUNK_SIZE
+ >> MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT;
writel(tmp, &bch_regs->hw_bch_flash0layout0);
tmp = (mtd->writesize + mtd->oobsize)
<< BCH_FLASHLAYOUT1_PAGE_SIZE_OFFSET;
tmp |= (mxs_nand_get_ecc_strength(mtd->writesize, mtd->oobsize) >> 1)
<< BCH_FLASHLAYOUT1_ECCN_OFFSET;
- tmp |= MXS_NAND_CHUNK_DATA_CHUNK_SIZE;
+ tmp |= MXS_NAND_CHUNK_DATA_CHUNK_SIZE
+ >> MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT;
writel(tmp, &bch_regs->hw_bch_flash0layout1);
/* Set *all* chip selects to use layout 0 */
writel(BCH_CTRL_COMPLETE_IRQ_EN, &bch_regs->hw_bch_ctrl_set);
/* Hook some operations at the MTD level. */
- if (mtd->read_oob != mxs_nand_hook_read_oob) {
- nand_info->hooked_read_oob = mtd->read_oob;
- mtd->read_oob = mxs_nand_hook_read_oob;
+ if (mtd->_read_oob != mxs_nand_hook_read_oob) {
+ nand_info->hooked_read_oob = mtd->_read_oob;
+ mtd->_read_oob = mxs_nand_hook_read_oob;
}
- if (mtd->write_oob != mxs_nand_hook_write_oob) {
- nand_info->hooked_write_oob = mtd->write_oob;
- mtd->write_oob = mxs_nand_hook_write_oob;
+ if (mtd->_write_oob != mxs_nand_hook_write_oob) {
+ nand_info->hooked_write_oob = mtd->_write_oob;
+ mtd->_write_oob = mxs_nand_hook_write_oob;
}
- if (mtd->block_markbad != mxs_nand_hook_block_markbad) {
- nand_info->hooked_block_markbad = mtd->block_markbad;
- mtd->block_markbad = mxs_nand_hook_block_markbad;
+ if (mtd->_block_markbad != mxs_nand_hook_block_markbad) {
+ nand_info->hooked_block_markbad = mtd->_block_markbad;
+ mtd->_block_markbad = mxs_nand_hook_block_markbad;
}
/* We use the reference implementation for bad block management. */
*/
int mxs_nand_init(struct mxs_nand_info *info)
{
- struct mx28_gpmi_regs *gpmi_regs =
- (struct mx28_gpmi_regs *)MXS_GPMI_BASE;
- int i = 0;
+ struct mxs_gpmi_regs *gpmi_regs =
+ (struct mxs_gpmi_regs *)MXS_GPMI_BASE;
+ struct mxs_bch_regs *bch_regs =
+ (struct mxs_bch_regs *)MXS_BCH_BASE;
+ int i = 0, j;
info->desc = malloc(sizeof(struct mxs_dma_desc *) *
MXS_NAND_DMA_DESCRIPTOR_COUNT);
}
/* Init the DMA controller. */
- mxs_dma_init();
+ for (j = MXS_DMA_CHANNEL_AHB_APBH_GPMI0;
+ j <= MXS_DMA_CHANNEL_AHB_APBH_GPMI7; j++) {
+ if (mxs_dma_init_channel(j))
+ goto err3;
+ }
/* Reset the GPMI block. */
- mx28_reset_block(&gpmi_regs->hw_gpmi_ctrl0_reg);
+ mxs_reset_block(&gpmi_regs->hw_gpmi_ctrl0_reg);
+ mxs_reset_block(&bch_regs->hw_bch_ctrl_reg);
/*
* Choose NAND mode, set IRQ polarity, disable write protection and
return 0;
+err3:
+ for (--j; j >= 0; j--)
+ mxs_dma_release(j);
err2:
free(info->desc);
err1:
nand->ecc.mode = NAND_ECC_HW;
nand->ecc.bytes = 9;
nand->ecc.size = 512;
+ nand->ecc.strength = 8;
return 0;
projects / karo-tx-uboot.git / blobdiff