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path: root/drivers/mtd/nand/fsl_ifc_nand.c
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Diffstat (limited to 'drivers/mtd/nand/fsl_ifc_nand.c')
-rw-r--r--drivers/mtd/nand/fsl_ifc_nand.c64
1 files changed, 41 insertions, 23 deletions
diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c
index 7903eebd53..79fa88b22f 100644
--- a/drivers/mtd/nand/fsl_ifc_nand.c
+++ b/drivers/mtd/nand/fsl_ifc_nand.c
@@ -46,7 +46,7 @@ struct fsl_ifc_ctrl {
struct fsl_ifc_mtd *chips[MAX_BANKS];
/* device info */
- struct fsl_ifc *regs;
+ struct fsl_ifc regs;
uint8_t __iomem *addr; /* Address of assigned IFC buffer */
unsigned int cs_nand; /* On which chipsel NAND is connected */
unsigned int page; /* Last page written to / read from */
@@ -225,7 +225,7 @@ static void set_addr(struct mtd_info *mtd, int column, int page_addr, int oob)
struct nand_chip *chip = mtd->priv;
struct fsl_ifc_mtd *priv = chip->priv;
struct fsl_ifc_ctrl *ctrl = priv->ctrl;
- struct fsl_ifc *ifc = ctrl->regs;
+ struct fsl_ifc_runtime *ifc = ctrl->regs.rregs;
int buf_num;
ctrl->page = page_addr;
@@ -289,10 +289,10 @@ static int fsl_ifc_run_command(struct mtd_info *mtd)
struct nand_chip *chip = mtd->priv;
struct fsl_ifc_mtd *priv = chip->priv;
struct fsl_ifc_ctrl *ctrl = priv->ctrl;
- struct fsl_ifc *ifc = ctrl->regs;
+ struct fsl_ifc_runtime *ifc = ctrl->regs.rregs;
u32 timeo = (CONFIG_SYS_HZ * 10) / 1000;
u32 time_start;
- u32 eccstat[4] = {0};
+ u32 eccstat[8] = {0};
int i;
/* set the chip select for NAND Transaction */
@@ -325,8 +325,15 @@ static int fsl_ifc_run_command(struct mtd_info *mtd)
int sector = bufnum * chip->ecc.steps;
int sector_end = sector + chip->ecc.steps - 1;
- for (i = sector / 4; i <= sector_end / 4; i++)
+ for (i = sector / 4; i <= sector_end / 4; i++) {
+ if (i >= ARRAY_SIZE(eccstat)) {
+ printf("%s: eccstat too small for %d\n",
+ __func__, i);
+ return -EIO;
+ }
+
eccstat[i] = ifc_in32(&ifc->ifc_nand.nand_eccstat[i]);
+ }
for (i = sector; i <= sector_end; i++) {
errors = check_read_ecc(mtd, ctrl, eccstat, i);
@@ -362,7 +369,7 @@ static void fsl_ifc_do_read(struct nand_chip *chip,
{
struct fsl_ifc_mtd *priv = chip->priv;
struct fsl_ifc_ctrl *ctrl = priv->ctrl;
- struct fsl_ifc *ifc = ctrl->regs;
+ struct fsl_ifc_runtime *ifc = ctrl->regs.rregs;
/* Program FIR/IFC_NAND_FCR0 for Small/Large page */
if (mtd->writesize > 512) {
@@ -400,7 +407,7 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
struct nand_chip *chip = mtd->priv;
struct fsl_ifc_mtd *priv = chip->priv;
struct fsl_ifc_ctrl *ctrl = priv->ctrl;
- struct fsl_ifc *ifc = ctrl->regs;
+ struct fsl_ifc_runtime *ifc = ctrl->regs.rregs;
/* clear the read buffer */
ctrl->read_bytes = 0;
@@ -690,7 +697,7 @@ static int fsl_ifc_wait(struct mtd_info *mtd, struct nand_chip *chip)
{
struct fsl_ifc_mtd *priv = chip->priv;
struct fsl_ifc_ctrl *ctrl = priv->ctrl;
- struct fsl_ifc *ifc = ctrl->regs;
+ struct fsl_ifc_runtime *ifc = ctrl->regs.rregs;
u32 nand_fsr;
if (ctrl->status != IFC_NAND_EVTER_STAT_OPC)
@@ -747,24 +754,33 @@ static int fsl_ifc_write_page(struct mtd_info *mtd, struct nand_chip *chip,
static void fsl_ifc_ctrl_init(void)
{
+ uint32_t ver = 0;
ifc_ctrl = kzalloc(sizeof(*ifc_ctrl), GFP_KERNEL);
if (!ifc_ctrl)
return;
- ifc_ctrl->regs = IFC_BASE_ADDR;
+ ifc_ctrl->regs.gregs = IFC_FCM_BASE_ADDR;
+
+ ver = ifc_in32(&ifc_ctrl->regs.gregs->ifc_rev);
+ if (ver >= FSL_IFC_V2_0_0)
+ ifc_ctrl->regs.rregs =
+ (void *)CONFIG_SYS_IFC_ADDR + IFC_RREGS_64KOFFSET;
+ else
+ ifc_ctrl->regs.rregs =
+ (void *)CONFIG_SYS_IFC_ADDR + IFC_RREGS_4KOFFSET;
/* clear event registers */
- ifc_out32(&ifc_ctrl->regs->ifc_nand.nand_evter_stat, ~0U);
- ifc_out32(&ifc_ctrl->regs->ifc_nand.pgrdcmpl_evt_stat, ~0U);
+ ifc_out32(&ifc_ctrl->regs.rregs->ifc_nand.nand_evter_stat, ~0U);
+ ifc_out32(&ifc_ctrl->regs.rregs->ifc_nand.pgrdcmpl_evt_stat, ~0U);
/* Enable error and event for any detected errors */
- ifc_out32(&ifc_ctrl->regs->ifc_nand.nand_evter_en,
+ ifc_out32(&ifc_ctrl->regs.rregs->ifc_nand.nand_evter_en,
IFC_NAND_EVTER_EN_OPC_EN |
IFC_NAND_EVTER_EN_PGRDCMPL_EN |
IFC_NAND_EVTER_EN_FTOER_EN |
IFC_NAND_EVTER_EN_WPER_EN);
- ifc_out32(&ifc_ctrl->regs->ifc_nand.ncfgr, 0x0);
+ ifc_out32(&ifc_ctrl->regs.rregs->ifc_nand.ncfgr, 0x0);
}
static void fsl_ifc_select_chip(struct mtd_info *mtd, int chip)
@@ -773,7 +789,7 @@ static void fsl_ifc_select_chip(struct mtd_info *mtd, int chip)
static int fsl_ifc_sram_init(uint32_t ver)
{
- struct fsl_ifc *ifc = ifc_ctrl->regs;
+ struct fsl_ifc_runtime *ifc = ifc_ctrl->regs.rregs;
uint32_t cs = 0, csor = 0, csor_8k = 0, csor_ext = 0;
uint32_t ncfgr = 0;
u32 timeo = (CONFIG_SYS_HZ * 10) / 1000;
@@ -799,13 +815,13 @@ static int fsl_ifc_sram_init(uint32_t ver)
cs = ifc_ctrl->cs_nand >> IFC_NAND_CSEL_SHIFT;
/* Save CSOR and CSOR_ext */
- csor = ifc_in32(&ifc_ctrl->regs->csor_cs[cs].csor);
- csor_ext = ifc_in32(&ifc_ctrl->regs->csor_cs[cs].csor_ext);
+ csor = ifc_in32(&ifc_ctrl->regs.gregs->csor_cs[cs].csor);
+ csor_ext = ifc_in32(&ifc_ctrl->regs.gregs->csor_cs[cs].csor_ext);
/* chage PageSize 8K and SpareSize 1K*/
csor_8k = (csor & ~(CSOR_NAND_PGS_MASK)) | 0x0018C000;
- ifc_out32(&ifc_ctrl->regs->csor_cs[cs].csor, csor_8k);
- ifc_out32(&ifc_ctrl->regs->csor_cs[cs].csor_ext, 0x0000400);
+ ifc_out32(&ifc_ctrl->regs.gregs->csor_cs[cs].csor, csor_8k);
+ ifc_out32(&ifc_ctrl->regs.gregs->csor_cs[cs].csor_ext, 0x0000400);
/* READID */
ifc_out32(&ifc->ifc_nand.nand_fir0,
@@ -845,8 +861,8 @@ static int fsl_ifc_sram_init(uint32_t ver)
ifc_out32(&ifc->ifc_nand.nand_evter_stat, ifc_ctrl->status);
/* Restore CSOR and CSOR_ext */
- ifc_out32(&ifc_ctrl->regs->csor_cs[cs].csor, csor);
- ifc_out32(&ifc_ctrl->regs->csor_cs[cs].csor_ext, csor_ext);
+ ifc_out32(&ifc_ctrl->regs.gregs->csor_cs[cs].csor, csor);
+ ifc_out32(&ifc_ctrl->regs.gregs->csor_cs[cs].csor_ext, csor_ext);
return 0;
}
@@ -857,6 +873,7 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
struct nand_chip *nand;
struct fsl_ifc_mtd *priv;
struct nand_ecclayout *layout;
+ struct fsl_ifc_fcm *gregs = NULL;
uint32_t cspr = 0, csor = 0, ver = 0;
int ret = 0;
@@ -872,14 +889,15 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
priv->ctrl = ifc_ctrl;
priv->vbase = addr;
+ gregs = ifc_ctrl->regs.gregs;
/* Find which chip select it is connected to.
*/
for (priv->bank = 0; priv->bank < MAX_BANKS; priv->bank++) {
phys_addr_t phys_addr = virt_to_phys(addr);
- cspr = ifc_in32(&ifc_ctrl->regs->cspr_cs[priv->bank].cspr);
- csor = ifc_in32(&ifc_ctrl->regs->csor_cs[priv->bank].csor);
+ cspr = ifc_in32(&gregs->cspr_cs[priv->bank].cspr);
+ csor = ifc_in32(&gregs->csor_cs[priv->bank].csor);
if ((cspr & CSPR_V) && (cspr & CSPR_MSEL) == CSPR_MSEL_NAND &&
(cspr & CSPR_BA) == CSPR_PHYS_ADDR(phys_addr)) {
@@ -998,7 +1016,7 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
nand->ecc.mode = NAND_ECC_SOFT;
}
- ver = ifc_in32(&ifc_ctrl->regs->ifc_rev);
+ ver = ifc_in32(&gregs->ifc_rev);
if (ver >= FSL_IFC_V1_1_0)
ret = fsl_ifc_sram_init(ver);
if (ret)
generated by cgit (git 2.34.1) at 2024-12-24 20:10:47 +0000