mtd: nand: Remove hardcoded base address of nand

Remove hardcoded base address of nand and replace it with the
value taken from device tree. Remove base address from header
file too.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Ashok Reddy Soma 2019-12-19 02:27:43 -07:00 committed by Michal Simek
parent b014b833bd
commit 3dd0f8cccd
2 changed files with 174 additions and 150 deletions

View file

@ -7,8 +7,6 @@
#ifndef _ASM_ARCH_HARDWARE_H #ifndef _ASM_ARCH_HARDWARE_H
#define _ASM_ARCH_HARDWARE_H #define _ASM_ARCH_HARDWARE_H
#define ARASAN_NAND_BASEADDR 0xFF100000
#define ZYNQMP_TCM_BASE_ADDR 0xFFE00000 #define ZYNQMP_TCM_BASE_ADDR 0xFFE00000
#define ZYNQMP_TCM_SIZE 0x40000 #define ZYNQMP_TCM_SIZE 0x40000

View file

@ -23,8 +23,14 @@ struct nand_config {
bool on_die_ecc_enabled; bool on_die_ecc_enabled;
}; };
struct nand_drv {
struct nand_regs *reg;
struct nand_config config;
};
struct arasan_nand_info { struct arasan_nand_info {
struct udevice *dev; struct udevice *dev;
struct nand_drv nand_ctrl;
struct nand_chip nand_chip; struct nand_chip nand_chip;
}; };
@ -59,8 +65,6 @@ struct nand_regs {
u32 data_if_reg; u32 data_if_reg;
}; };
#define arasan_nand_base ((struct nand_regs __iomem *)ARASAN_NAND_BASEADDR)
struct arasan_nand_command_format { struct arasan_nand_command_format {
u8 cmd1; u8 cmd1;
u8 cmd2; u8 cmd2;
@ -266,26 +270,30 @@ static struct nand_ecclayout nand_oob;
static void arasan_nand_select_chip(struct mtd_info *mtd, int chip) static void arasan_nand_select_chip(struct mtd_info *mtd, int chip)
{ {
struct nand_chip *nand_chip = mtd_to_nand(mtd);
struct nand_drv *info = nand_get_controller_data(nand_chip);
u32 reg_val; u32 reg_val;
reg_val = readl(&arasan_nand_base->memadr_reg2); reg_val = readl(&info->reg->memadr_reg2);
if (chip == 0) { if (chip == 0) {
reg_val &= ~ARASAN_NAND_MEM_ADDR2_CS0_MASK; reg_val &= ~ARASAN_NAND_MEM_ADDR2_CS0_MASK;
writel(reg_val, &arasan_nand_base->memadr_reg2); writel(reg_val, &info->reg->memadr_reg2);
} else if (chip == 1) { } else if (chip == 1) {
reg_val |= ARASAN_NAND_MEM_ADDR2_CS1_MASK; reg_val |= ARASAN_NAND_MEM_ADDR2_CS1_MASK;
writel(reg_val, &arasan_nand_base->memadr_reg2); writel(reg_val, &info->reg->memadr_reg2);
} }
} }
static void arasan_nand_enable_ecc(void) static void arasan_nand_enable_ecc(struct mtd_info *mtd)
{ {
struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_drv *info = nand_get_controller_data(chip);
u32 reg_val; u32 reg_val;
reg_val = readl(&arasan_nand_base->cmd_reg); reg_val = readl(&info->reg->cmd_reg);
reg_val |= ARASAN_NAND_CMD_ECC_ON_MASK; reg_val |= ARASAN_NAND_CMD_ECC_ON_MASK;
writel(reg_val, &arasan_nand_base->cmd_reg); writel(reg_val, &info->reg->cmd_reg);
} }
static u8 arasan_nand_get_addrcycle(struct mtd_info *mtd) static u8 arasan_nand_get_addrcycle(struct mtd_info *mtd)
@ -326,7 +334,8 @@ static u8 arasan_nand_get_addrcycle(struct mtd_info *mtd)
static int arasan_nand_read_page(struct mtd_info *mtd, u8 *buf, u32 size) static int arasan_nand_read_page(struct mtd_info *mtd, u8 *buf, u32 size)
{ {
struct nand_chip *chip = mtd_to_nand(mtd); struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_config *nand = nand_get_controller_data(chip); struct nand_drv *info = nand_get_controller_data(chip);
struct nand_config *nand = &info->config;
u32 reg_val, i, pktsize, pktnum; u32 reg_val, i, pktsize, pktnum;
u32 *bufptr = (u32 *)buf; u32 *bufptr = (u32 *)buf;
u32 timeout; u32 timeout;
@ -343,20 +352,20 @@ static int arasan_nand_read_page(struct mtd_info *mtd, u8 *buf, u32 size)
else else
pktnum = size/pktsize; pktnum = size/pktsize;
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
reg_val |= ARASAN_NAND_INT_STS_ERR_EN_MASK | reg_val |= ARASAN_NAND_INT_STS_ERR_EN_MASK |
ARASAN_NAND_INT_STS_MUL_BIT_ERR_MASK; ARASAN_NAND_INT_STS_MUL_BIT_ERR_MASK;
writel(reg_val, &arasan_nand_base->intsts_enr); writel(reg_val, &info->reg->intsts_enr);
reg_val = readl(&arasan_nand_base->pkt_reg); reg_val = readl(&info->reg->pkt_reg);
reg_val &= ~(ARASAN_NAND_PKT_REG_PKT_CNT_MASK | reg_val &= ~(ARASAN_NAND_PKT_REG_PKT_CNT_MASK |
ARASAN_NAND_PKT_REG_PKT_SIZE_MASK); ARASAN_NAND_PKT_REG_PKT_SIZE_MASK);
reg_val |= (pktnum << ARASAN_NAND_PKT_REG_PKT_CNT_SHFT) | reg_val |= (pktnum << ARASAN_NAND_PKT_REG_PKT_CNT_SHFT) |
pktsize; pktsize;
writel(reg_val, &arasan_nand_base->pkt_reg); writel(reg_val, &info->reg->pkt_reg);
if (!nand->on_die_ecc_enabled) { if (!nand->on_die_ecc_enabled) {
arasan_nand_enable_ecc(); arasan_nand_enable_ecc(mtd);
addr_cycles = arasan_nand_get_addrcycle(mtd); addr_cycles = arasan_nand_get_addrcycle(mtd);
if (addr_cycles == ARASAN_NAND_INVALID_ADDR_CYCL) if (addr_cycles == ARASAN_NAND_INVALID_ADDR_CYCL)
return ERR_ADDR_CYCLE; return ERR_ADDR_CYCLE;
@ -364,13 +373,13 @@ static int arasan_nand_read_page(struct mtd_info *mtd, u8 *buf, u32 size)
writel((NAND_CMD_RNDOUTSTART << ARASAN_NAND_CMD_CMD2_SHIFT) | writel((NAND_CMD_RNDOUTSTART << ARASAN_NAND_CMD_CMD2_SHIFT) |
NAND_CMD_RNDOUT | (addr_cycles << NAND_CMD_RNDOUT | (addr_cycles <<
ARASAN_NAND_CMD_ADDR_CYCL_SHIFT), ARASAN_NAND_CMD_ADDR_CYCL_SHIFT),
&arasan_nand_base->ecc_sprcmd_reg); &info->reg->ecc_sprcmd_reg);
} }
writel(curr_cmd->pgm, &arasan_nand_base->pgm_reg); writel(curr_cmd->pgm, &info->reg->pgm_reg);
while (rdcount < pktnum) { while (rdcount < pktnum) {
timeout = ARASAN_NAND_POLL_TIMEOUT; timeout = ARASAN_NAND_POLL_TIMEOUT;
while (!(readl(&arasan_nand_base->intsts_reg) & while (!(readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK) && timeout) { ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK) && timeout) {
udelay(1); udelay(1);
timeout--; timeout--;
@ -383,20 +392,20 @@ static int arasan_nand_read_page(struct mtd_info *mtd, u8 *buf, u32 size)
rdcount++; rdcount++;
if (pktnum == rdcount) { if (pktnum == rdcount) {
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
reg_val |= ARASAN_NAND_INT_STS_XFR_CMPLT_MASK; reg_val |= ARASAN_NAND_INT_STS_XFR_CMPLT_MASK;
writel(reg_val, &arasan_nand_base->intsts_enr); writel(reg_val, &info->reg->intsts_enr);
} else { } else {
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
writel(reg_val | ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK, writel(reg_val | ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
} }
reg_val = readl(&arasan_nand_base->intsts_reg); reg_val = readl(&info->reg->intsts_reg);
writel(reg_val | ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK, writel(reg_val | ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK,
&arasan_nand_base->intsts_reg); &info->reg->intsts_reg);
for (i = 0; i < pktsize/4; i++) for (i = 0; i < pktsize/4; i++)
bufptr[i] = readl(&arasan_nand_base->buf_dataport); bufptr[i] = readl(&info->reg->buf_dataport);
bufptr += pktsize/4; bufptr += pktsize/4;
@ -405,12 +414,12 @@ static int arasan_nand_read_page(struct mtd_info *mtd, u8 *buf, u32 size)
break; break;
writel(ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK, writel(ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
} }
timeout = ARASAN_NAND_POLL_TIMEOUT; timeout = ARASAN_NAND_POLL_TIMEOUT;
while (!(readl(&arasan_nand_base->intsts_reg) & while (!(readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) { ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) {
udelay(1); udelay(1);
timeout--; timeout--;
@ -420,21 +429,21 @@ static int arasan_nand_read_page(struct mtd_info *mtd, u8 *buf, u32 size)
return -ETIMEDOUT; return -ETIMEDOUT;
} }
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
reg_val = readl(&arasan_nand_base->intsts_reg); reg_val = readl(&info->reg->intsts_reg);
writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_reg); &info->reg->intsts_reg);
if (!nand->on_die_ecc_enabled) { if (!nand->on_die_ecc_enabled) {
if (readl(&arasan_nand_base->intsts_reg) & if (readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_MUL_BIT_ERR_MASK) { ARASAN_NAND_INT_STS_MUL_BIT_ERR_MASK) {
printf("arasan rd_page:sbiterror\n"); printf("arasan rd_page:sbiterror\n");
return -1; return -1;
} }
if (readl(&arasan_nand_base->intsts_reg) & if (readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_ERR_EN_MASK) { ARASAN_NAND_INT_STS_ERR_EN_MASK) {
mtd->ecc_stats.failed++; mtd->ecc_stats.failed++;
printf("arasan rd_page:multibiterror\n"); printf("arasan rd_page:multibiterror\n");
@ -458,9 +467,11 @@ static int arasan_nand_read_page_hwecc(struct mtd_info *mtd,
return status; return status;
} }
static void arasan_nand_fill_tx(const u8 *buf, int len) static void arasan_nand_fill_tx(struct mtd_info *mtd, const u8 *buf, int len)
{ {
u32 __iomem *nand = &arasan_nand_base->buf_dataport; struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_drv *info = nand_get_controller_data(chip);
u32 __iomem *nand = &info->reg->buf_dataport;
if (((unsigned long)buf & 0x3) != 0) { if (((unsigned long)buf & 0x3) != 0) {
if (((unsigned long)buf & 0x1) != 0) { if (((unsigned long)buf & 0x1) != 0) {
@ -502,13 +513,14 @@ static int arasan_nand_write_page_hwecc(struct mtd_info *mtd,
struct nand_chip *chip, const u8 *buf, int oob_required, struct nand_chip *chip, const u8 *buf, int oob_required,
int page) int page)
{ {
struct nand_drv *info = nand_get_controller_data(chip);
struct nand_config *nand = &info->config;
u32 reg_val, i, pktsize, pktnum; u32 reg_val, i, pktsize, pktnum;
const u32 *bufptr = (const u32 *)buf; const u32 *bufptr = (const u32 *)buf;
u32 timeout = ARASAN_NAND_POLL_TIMEOUT; u32 timeout = ARASAN_NAND_POLL_TIMEOUT;
u32 size = mtd->writesize; u32 size = mtd->writesize;
u32 rdcount = 0; u32 rdcount = 0;
u8 column_addr_cycles; u8 column_addr_cycles;
struct nand_config *nand = nand_get_controller_data(chip);
if (chip->ecc_step_ds >= ARASAN_NAND_PKTSIZE_1K) if (chip->ecc_step_ds >= ARASAN_NAND_PKTSIZE_1K)
pktsize = ARASAN_NAND_PKTSIZE_1K; pktsize = ARASAN_NAND_PKTSIZE_1K;
@ -520,25 +532,25 @@ static int arasan_nand_write_page_hwecc(struct mtd_info *mtd,
else else
pktnum = size/pktsize; pktnum = size/pktsize;
reg_val = readl(&arasan_nand_base->pkt_reg); reg_val = readl(&info->reg->pkt_reg);
reg_val &= ~(ARASAN_NAND_PKT_REG_PKT_CNT_MASK | reg_val &= ~(ARASAN_NAND_PKT_REG_PKT_CNT_MASK |
ARASAN_NAND_PKT_REG_PKT_SIZE_MASK); ARASAN_NAND_PKT_REG_PKT_SIZE_MASK);
reg_val |= (pktnum << ARASAN_NAND_PKT_REG_PKT_CNT_SHFT) | pktsize; reg_val |= (pktnum << ARASAN_NAND_PKT_REG_PKT_CNT_SHFT) | pktsize;
writel(reg_val, &arasan_nand_base->pkt_reg); writel(reg_val, &info->reg->pkt_reg);
if (!nand->on_die_ecc_enabled) { if (!nand->on_die_ecc_enabled) {
arasan_nand_enable_ecc(); arasan_nand_enable_ecc(mtd);
column_addr_cycles = (chip->onfi_params.addr_cycles & column_addr_cycles = (chip->onfi_params.addr_cycles &
ARASAN_NAND_COL_ADDR_CYCL_MASK) >> ARASAN_NAND_COL_ADDR_CYCL_MASK) >>
ARASAN_NAND_COL_ADDR_CYCL_SHIFT; ARASAN_NAND_COL_ADDR_CYCL_SHIFT;
writel((NAND_CMD_RNDIN | (column_addr_cycles << 28)), writel((NAND_CMD_RNDIN | (column_addr_cycles << 28)),
&arasan_nand_base->ecc_sprcmd_reg); &info->reg->ecc_sprcmd_reg);
} }
writel(curr_cmd->pgm, &arasan_nand_base->pgm_reg); writel(curr_cmd->pgm, &info->reg->pgm_reg);
while (rdcount < pktnum) { while (rdcount < pktnum) {
timeout = ARASAN_NAND_POLL_TIMEOUT; timeout = ARASAN_NAND_POLL_TIMEOUT;
while (!(readl(&arasan_nand_base->intsts_reg) & while (!(readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK) && timeout) { ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK) && timeout) {
udelay(1); udelay(1);
timeout--; timeout--;
@ -552,21 +564,21 @@ static int arasan_nand_write_page_hwecc(struct mtd_info *mtd,
rdcount++; rdcount++;
if (pktnum == rdcount) { if (pktnum == rdcount) {
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
reg_val |= ARASAN_NAND_INT_STS_XFR_CMPLT_MASK; reg_val |= ARASAN_NAND_INT_STS_XFR_CMPLT_MASK;
writel(reg_val, &arasan_nand_base->intsts_enr); writel(reg_val, &info->reg->intsts_enr);
} else { } else {
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
writel(reg_val | ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK, writel(reg_val | ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
} }
reg_val = readl(&arasan_nand_base->intsts_reg); reg_val = readl(&info->reg->intsts_reg);
writel(reg_val | ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK, writel(reg_val | ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK,
&arasan_nand_base->intsts_reg); &info->reg->intsts_reg);
for (i = 0; i < pktsize/4; i++) for (i = 0; i < pktsize/4; i++)
writel(bufptr[i], &arasan_nand_base->buf_dataport); writel(bufptr[i], &info->reg->buf_dataport);
bufptr += pktsize/4; bufptr += pktsize/4;
@ -574,12 +586,12 @@ static int arasan_nand_write_page_hwecc(struct mtd_info *mtd,
break; break;
writel(ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK, writel(ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
} }
timeout = ARASAN_NAND_POLL_TIMEOUT; timeout = ARASAN_NAND_POLL_TIMEOUT;
while (!(readl(&arasan_nand_base->intsts_reg) & while (!(readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) { ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) {
udelay(1); udelay(1);
timeout--; timeout--;
@ -589,12 +601,12 @@ static int arasan_nand_write_page_hwecc(struct mtd_info *mtd,
return -ETIMEDOUT; return -ETIMEDOUT;
} }
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
reg_val = readl(&arasan_nand_base->intsts_reg); reg_val = readl(&info->reg->intsts_reg);
writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_reg); &info->reg->intsts_reg);
if (oob_required) if (oob_required)
chip->ecc.write_oob(mtd, chip, nand->page); chip->ecc.write_oob(mtd, chip, nand->page);
@ -623,22 +635,25 @@ static int arasan_nand_write_oob(struct mtd_info *mtd, struct nand_chip *chip,
return status; return status;
} }
static int arasan_nand_reset(struct arasan_nand_command_format *curr_cmd) static int arasan_nand_reset(struct mtd_info *mtd,
struct arasan_nand_command_format *curr_cmd)
{ {
struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_drv *info = nand_get_controller_data(chip);
u32 timeout = ARASAN_NAND_POLL_TIMEOUT; u32 timeout = ARASAN_NAND_POLL_TIMEOUT;
u32 cmd_reg = 0; u32 cmd_reg = 0;
writel(ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
cmd_reg = readl(&arasan_nand_base->cmd_reg); cmd_reg = readl(&info->reg->cmd_reg);
cmd_reg &= ~ARASAN_NAND_CMD_CMD12_MASK; cmd_reg &= ~ARASAN_NAND_CMD_CMD12_MASK;
cmd_reg |= curr_cmd->cmd1 | cmd_reg |= curr_cmd->cmd1 |
(curr_cmd->cmd2 << ARASAN_NAND_CMD_CMD2_SHIFT); (curr_cmd->cmd2 << ARASAN_NAND_CMD_CMD2_SHIFT);
writel(cmd_reg, &arasan_nand_base->cmd_reg); writel(cmd_reg, &info->reg->cmd_reg);
writel(curr_cmd->pgm, &arasan_nand_base->pgm_reg); writel(curr_cmd->pgm, &info->reg->pgm_reg);
while (!(readl(&arasan_nand_base->intsts_reg) & while (!(readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) { ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) {
udelay(1); udelay(1);
timeout--; timeout--;
@ -649,10 +664,10 @@ static int arasan_nand_reset(struct arasan_nand_command_format *curr_cmd)
} }
writel(ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
writel(ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_reg); &info->reg->intsts_reg);
return 0; return 0;
} }
@ -691,12 +706,14 @@ static u8 arasan_nand_page(struct mtd_info *mtd)
static int arasan_nand_send_wrcmd(struct arasan_nand_command_format *curr_cmd, static int arasan_nand_send_wrcmd(struct arasan_nand_command_format *curr_cmd,
int column, int page_addr, struct mtd_info *mtd) int column, int page_addr, struct mtd_info *mtd)
{ {
struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_drv *info = nand_get_controller_data(chip);
u32 reg_val, page; u32 reg_val, page;
u8 page_val, addr_cycles; u8 page_val, addr_cycles;
writel(ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK, writel(ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
reg_val = readl(&arasan_nand_base->cmd_reg); reg_val = readl(&info->reg->cmd_reg);
reg_val &= ~ARASAN_NAND_CMD_CMD12_MASK; reg_val &= ~ARASAN_NAND_CMD_CMD12_MASK;
reg_val |= curr_cmd->cmd1 | reg_val |= curr_cmd->cmd1 |
(curr_cmd->cmd2 << ARASAN_NAND_CMD_CMD2_SHIFT); (curr_cmd->cmd2 << ARASAN_NAND_CMD_CMD2_SHIFT);
@ -714,7 +731,7 @@ static int arasan_nand_send_wrcmd(struct arasan_nand_command_format *curr_cmd,
reg_val |= (addr_cycles << reg_val |= (addr_cycles <<
ARASAN_NAND_CMD_ADDR_CYCL_SHIFT); ARASAN_NAND_CMD_ADDR_CYCL_SHIFT);
writel(reg_val, &arasan_nand_base->cmd_reg); writel(reg_val, &info->reg->cmd_reg);
if (page_addr == -1) if (page_addr == -1)
page_addr = 0; page_addr = 0;
@ -722,30 +739,32 @@ static int arasan_nand_send_wrcmd(struct arasan_nand_command_format *curr_cmd,
page = (page_addr << ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT) & page = (page_addr << ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT) &
ARASAN_NAND_MEM_ADDR1_PAGE_MASK; ARASAN_NAND_MEM_ADDR1_PAGE_MASK;
column &= ARASAN_NAND_MEM_ADDR1_COL_MASK; column &= ARASAN_NAND_MEM_ADDR1_COL_MASK;
writel(page|column, &arasan_nand_base->memadr_reg1); writel(page | column, &info->reg->memadr_reg1);
reg_val = readl(&arasan_nand_base->memadr_reg2); reg_val = readl(&info->reg->memadr_reg2);
reg_val &= ~ARASAN_NAND_MEM_ADDR2_PAGE_MASK; reg_val &= ~ARASAN_NAND_MEM_ADDR2_PAGE_MASK;
reg_val |= (page_addr >> ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT); reg_val |= (page_addr >> ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT);
writel(reg_val, &arasan_nand_base->memadr_reg2); writel(reg_val, &info->reg->memadr_reg2);
return 0; return 0;
} }
static void arasan_nand_write_buf(struct mtd_info *mtd, const u8 *buf, int len) static void arasan_nand_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
{ {
struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_drv *info = nand_get_controller_data(chip);
u32 reg_val; u32 reg_val;
u32 timeout = ARASAN_NAND_POLL_TIMEOUT; u32 timeout = ARASAN_NAND_POLL_TIMEOUT;
reg_val = readl(&arasan_nand_base->pkt_reg); reg_val = readl(&info->reg->pkt_reg);
reg_val &= ~(ARASAN_NAND_PKT_REG_PKT_CNT_MASK | reg_val &= ~(ARASAN_NAND_PKT_REG_PKT_CNT_MASK |
ARASAN_NAND_PKT_REG_PKT_SIZE_MASK); ARASAN_NAND_PKT_REG_PKT_SIZE_MASK);
reg_val |= (1 << ARASAN_NAND_PKT_REG_PKT_CNT_SHFT) | len; reg_val |= (1 << ARASAN_NAND_PKT_REG_PKT_CNT_SHFT) | len;
writel(reg_val, &arasan_nand_base->pkt_reg); writel(reg_val, &info->reg->pkt_reg);
writel(curr_cmd->pgm, &arasan_nand_base->pgm_reg); writel(curr_cmd->pgm, &info->reg->pgm_reg);
while (!(readl(&arasan_nand_base->intsts_reg) & while (!(readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK) && timeout) { ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK) && timeout) {
udelay(1); udelay(1);
timeout--; timeout--;
@ -754,19 +773,19 @@ static void arasan_nand_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
if (!timeout) if (!timeout)
puts("ERROR:arasan_nand_write_buf timedout:Buff RDY\n"); puts("ERROR:arasan_nand_write_buf timedout:Buff RDY\n");
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
reg_val |= ARASAN_NAND_INT_STS_XFR_CMPLT_MASK; reg_val |= ARASAN_NAND_INT_STS_XFR_CMPLT_MASK;
writel(reg_val, &arasan_nand_base->intsts_enr); writel(reg_val, &info->reg->intsts_enr);
writel(reg_val | ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK, writel(reg_val | ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
reg_val = readl(&arasan_nand_base->intsts_reg); reg_val = readl(&info->reg->intsts_reg);
writel(reg_val | ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK, writel(reg_val | ARASAN_NAND_INT_STS_BUF_WR_RDY_MASK,
&arasan_nand_base->intsts_reg); &info->reg->intsts_reg);
arasan_nand_fill_tx(buf, len); arasan_nand_fill_tx(mtd, buf, len);
timeout = ARASAN_NAND_POLL_TIMEOUT; timeout = ARASAN_NAND_POLL_TIMEOUT;
while (!(readl(&arasan_nand_base->intsts_reg) & while (!(readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) { ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) {
udelay(1); udelay(1);
timeout--; timeout--;
@ -774,24 +793,26 @@ static void arasan_nand_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
if (!timeout) if (!timeout)
puts("ERROR:arasan_nand_write_buf timedout:Xfer CMPLT\n"); puts("ERROR:arasan_nand_write_buf timedout:Xfer CMPLT\n");
writel(readl(&arasan_nand_base->intsts_enr) | writel(readl(&info->reg->intsts_enr) |
ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
writel(readl(&arasan_nand_base->intsts_reg) | writel(readl(&info->reg->intsts_reg) |
ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_reg); &info->reg->intsts_reg);
} }
static int arasan_nand_erase(struct arasan_nand_command_format *curr_cmd, static int arasan_nand_erase(struct arasan_nand_command_format *curr_cmd,
int column, int page_addr, struct mtd_info *mtd) int column, int page_addr, struct mtd_info *mtd)
{ {
struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_drv *info = nand_get_controller_data(chip);
u32 reg_val, page; u32 reg_val, page;
u32 timeout = ARASAN_NAND_POLL_TIMEOUT; u32 timeout = ARASAN_NAND_POLL_TIMEOUT;
u8 row_addr_cycles; u8 row_addr_cycles;
writel(ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
reg_val = readl(&arasan_nand_base->cmd_reg); reg_val = readl(&info->reg->cmd_reg);
reg_val &= ~ARASAN_NAND_CMD_CMD12_MASK; reg_val &= ~ARASAN_NAND_CMD_CMD12_MASK;
reg_val |= curr_cmd->cmd1 | reg_val |= curr_cmd->cmd1 |
(curr_cmd->cmd2 << ARASAN_NAND_CMD_CMD2_SHIFT); (curr_cmd->cmd2 << ARASAN_NAND_CMD_CMD2_SHIFT);
@ -804,21 +825,21 @@ static int arasan_nand_erase(struct arasan_nand_command_format *curr_cmd,
reg_val |= (row_addr_cycles << reg_val |= (row_addr_cycles <<
ARASAN_NAND_CMD_ADDR_CYCL_SHIFT); ARASAN_NAND_CMD_ADDR_CYCL_SHIFT);
writel(reg_val, &arasan_nand_base->cmd_reg); writel(reg_val, &info->reg->cmd_reg);
page = (page_addr >> ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT) & page = (page_addr >> ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT) &
ARASAN_NAND_MEM_ADDR1_COL_MASK; ARASAN_NAND_MEM_ADDR1_COL_MASK;
column = page_addr & ARASAN_NAND_MEM_ADDR1_COL_MASK; column = page_addr & ARASAN_NAND_MEM_ADDR1_COL_MASK;
writel(column | (page << ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT), writel(column | (page << ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT),
&arasan_nand_base->memadr_reg1); &info->reg->memadr_reg1);
reg_val = readl(&arasan_nand_base->memadr_reg2); reg_val = readl(&info->reg->memadr_reg2);
reg_val &= ~ARASAN_NAND_MEM_ADDR2_PAGE_MASK; reg_val &= ~ARASAN_NAND_MEM_ADDR2_PAGE_MASK;
reg_val |= (page_addr >> ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT); reg_val |= (page_addr >> ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT);
writel(reg_val, &arasan_nand_base->memadr_reg2); writel(reg_val, &info->reg->memadr_reg2);
writel(curr_cmd->pgm, &arasan_nand_base->pgm_reg); writel(curr_cmd->pgm, &info->reg->pgm_reg);
while (!(readl(&arasan_nand_base->intsts_reg) & while (!(readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) { ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) {
udelay(1); udelay(1);
timeout--; timeout--;
@ -828,12 +849,12 @@ static int arasan_nand_erase(struct arasan_nand_command_format *curr_cmd,
return -ETIMEDOUT; return -ETIMEDOUT;
} }
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
reg_val = readl(&arasan_nand_base->intsts_reg); reg_val = readl(&info->reg->intsts_reg);
writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_reg); &info->reg->intsts_reg);
return 0; return 0;
} }
@ -841,13 +862,15 @@ static int arasan_nand_erase(struct arasan_nand_command_format *curr_cmd,
static int arasan_nand_read_status(struct arasan_nand_command_format *curr_cmd, static int arasan_nand_read_status(struct arasan_nand_command_format *curr_cmd,
int column, int page_addr, struct mtd_info *mtd) int column, int page_addr, struct mtd_info *mtd)
{ {
struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_drv *info = nand_get_controller_data(chip);
u32 reg_val; u32 reg_val;
u32 timeout = ARASAN_NAND_POLL_TIMEOUT; u32 timeout = ARASAN_NAND_POLL_TIMEOUT;
u8 addr_cycles; u8 addr_cycles;
writel(ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
reg_val = readl(&arasan_nand_base->cmd_reg); reg_val = readl(&info->reg->cmd_reg);
reg_val &= ~ARASAN_NAND_CMD_CMD12_MASK; reg_val &= ~ARASAN_NAND_CMD_CMD12_MASK;
reg_val |= curr_cmd->cmd1 | reg_val |= curr_cmd->cmd1 |
(curr_cmd->cmd2 << ARASAN_NAND_CMD_CMD2_SHIFT); (curr_cmd->cmd2 << ARASAN_NAND_CMD_CMD2_SHIFT);
@ -860,16 +883,16 @@ static int arasan_nand_read_status(struct arasan_nand_command_format *curr_cmd,
reg_val |= (addr_cycles << reg_val |= (addr_cycles <<
ARASAN_NAND_CMD_ADDR_CYCL_SHIFT); ARASAN_NAND_CMD_ADDR_CYCL_SHIFT);
writel(reg_val, &arasan_nand_base->cmd_reg); writel(reg_val, &info->reg->cmd_reg);
reg_val = readl(&arasan_nand_base->pkt_reg); reg_val = readl(&info->reg->pkt_reg);
reg_val &= ~(ARASAN_NAND_PKT_REG_PKT_CNT_MASK | reg_val &= ~(ARASAN_NAND_PKT_REG_PKT_CNT_MASK |
ARASAN_NAND_PKT_REG_PKT_SIZE_MASK); ARASAN_NAND_PKT_REG_PKT_SIZE_MASK);
reg_val |= (1 << ARASAN_NAND_PKT_REG_PKT_CNT_SHFT) | 1; reg_val |= (1 << ARASAN_NAND_PKT_REG_PKT_CNT_SHFT) | 1;
writel(reg_val, &arasan_nand_base->pkt_reg); writel(reg_val, &info->reg->pkt_reg);
writel(curr_cmd->pgm, &arasan_nand_base->pgm_reg); writel(curr_cmd->pgm, &info->reg->pgm_reg);
while (!(readl(&arasan_nand_base->intsts_reg) & while (!(readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) { ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) {
udelay(1); udelay(1);
timeout--; timeout--;
@ -880,12 +903,12 @@ static int arasan_nand_read_status(struct arasan_nand_command_format *curr_cmd,
return -ETIMEDOUT; return -ETIMEDOUT;
} }
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
reg_val = readl(&arasan_nand_base->intsts_reg); reg_val = readl(&info->reg->intsts_reg);
writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_reg); &info->reg->intsts_reg);
return 0; return 0;
} }
@ -893,14 +916,16 @@ static int arasan_nand_read_status(struct arasan_nand_command_format *curr_cmd,
static int arasan_nand_send_rdcmd(struct arasan_nand_command_format *curr_cmd, static int arasan_nand_send_rdcmd(struct arasan_nand_command_format *curr_cmd,
int column, int page_addr, struct mtd_info *mtd) int column, int page_addr, struct mtd_info *mtd)
{ {
struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_drv *info = nand_get_controller_data(chip);
u32 reg_val, addr_cycles, page; u32 reg_val, addr_cycles, page;
u8 page_val; u8 page_val;
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
writel(reg_val | ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK, writel(reg_val | ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
reg_val = readl(&arasan_nand_base->cmd_reg); reg_val = readl(&info->reg->cmd_reg);
reg_val &= ~ARASAN_NAND_CMD_CMD12_MASK; reg_val &= ~ARASAN_NAND_CMD_CMD12_MASK;
reg_val |= curr_cmd->cmd1 | reg_val |= curr_cmd->cmd1 |
(curr_cmd->cmd2 << ARASAN_NAND_CMD_CMD2_SHIFT); (curr_cmd->cmd2 << ARASAN_NAND_CMD_CMD2_SHIFT);
@ -922,7 +947,7 @@ static int arasan_nand_send_rdcmd(struct arasan_nand_command_format *curr_cmd,
return ERR_ADDR_CYCLE; return ERR_ADDR_CYCLE;
reg_val |= (addr_cycles << 28); reg_val |= (addr_cycles << 28);
writel(reg_val, &arasan_nand_base->cmd_reg); writel(reg_val, &info->reg->cmd_reg);
if (page_addr == -1) if (page_addr == -1)
page_addr = 0; page_addr = 0;
@ -930,12 +955,12 @@ static int arasan_nand_send_rdcmd(struct arasan_nand_command_format *curr_cmd,
page = (page_addr << ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT) & page = (page_addr << ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT) &
ARASAN_NAND_MEM_ADDR1_PAGE_MASK; ARASAN_NAND_MEM_ADDR1_PAGE_MASK;
column &= ARASAN_NAND_MEM_ADDR1_COL_MASK; column &= ARASAN_NAND_MEM_ADDR1_COL_MASK;
writel(page | column, &arasan_nand_base->memadr_reg1); writel(page | column, &info->reg->memadr_reg1);
reg_val = readl(&arasan_nand_base->memadr_reg2); reg_val = readl(&info->reg->memadr_reg2);
reg_val &= ~ARASAN_NAND_MEM_ADDR2_PAGE_MASK; reg_val &= ~ARASAN_NAND_MEM_ADDR2_PAGE_MASK;
reg_val |= (page_addr >> ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT); reg_val |= (page_addr >> ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT);
writel(reg_val, &arasan_nand_base->memadr_reg2); writel(reg_val, &info->reg->memadr_reg2);
buf_index = 0; buf_index = 0;
@ -944,19 +969,21 @@ static int arasan_nand_send_rdcmd(struct arasan_nand_command_format *curr_cmd,
static void arasan_nand_read_buf(struct mtd_info *mtd, u8 *buf, int size) static void arasan_nand_read_buf(struct mtd_info *mtd, u8 *buf, int size)
{ {
struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_drv *info = nand_get_controller_data(chip);
u32 reg_val, i; u32 reg_val, i;
u32 *bufptr = (u32 *)buf; u32 *bufptr = (u32 *)buf;
u32 timeout = ARASAN_NAND_POLL_TIMEOUT; u32 timeout = ARASAN_NAND_POLL_TIMEOUT;
reg_val = readl(&arasan_nand_base->pkt_reg); reg_val = readl(&info->reg->pkt_reg);
reg_val &= ~(ARASAN_NAND_PKT_REG_PKT_CNT_MASK | reg_val &= ~(ARASAN_NAND_PKT_REG_PKT_CNT_MASK |
ARASAN_NAND_PKT_REG_PKT_SIZE_MASK); ARASAN_NAND_PKT_REG_PKT_SIZE_MASK);
reg_val |= (1 << ARASAN_NAND_PKT_REG_PKT_CNT_SHFT) | size; reg_val |= (1 << ARASAN_NAND_PKT_REG_PKT_CNT_SHFT) | size;
writel(reg_val, &arasan_nand_base->pkt_reg); writel(reg_val, &info->reg->pkt_reg);
writel(curr_cmd->pgm, &arasan_nand_base->pgm_reg); writel(curr_cmd->pgm, &info->reg->pgm_reg);
while (!(readl(&arasan_nand_base->intsts_reg) & while (!(readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK) && timeout) { ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK) && timeout) {
udelay(1); udelay(1);
timeout--; timeout--;
@ -965,26 +992,26 @@ static void arasan_nand_read_buf(struct mtd_info *mtd, u8 *buf, int size)
if (!timeout) if (!timeout)
puts("ERROR:arasan_nand_read_buf timedout:Buff RDY\n"); puts("ERROR:arasan_nand_read_buf timedout:Buff RDY\n");
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
reg_val |= ARASAN_NAND_INT_STS_XFR_CMPLT_MASK; reg_val |= ARASAN_NAND_INT_STS_XFR_CMPLT_MASK;
writel(reg_val, &arasan_nand_base->intsts_enr); writel(reg_val, &info->reg->intsts_enr);
writel(reg_val | ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK, writel(reg_val | ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
reg_val = readl(&arasan_nand_base->intsts_reg); reg_val = readl(&info->reg->intsts_reg);
writel(reg_val | ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK, writel(reg_val | ARASAN_NAND_INT_STS_BUF_RD_RDY_MASK,
&arasan_nand_base->intsts_reg); &info->reg->intsts_reg);
buf_index = 0; buf_index = 0;
for (i = 0; i < size / 4; i++) for (i = 0; i < size / 4; i++)
bufptr[i] = readl(&arasan_nand_base->buf_dataport); bufptr[i] = readl(&info->reg->buf_dataport);
if (size & 0x03) if (size & 0x03)
bufptr[i] = readl(&arasan_nand_base->buf_dataport); bufptr[i] = readl(&info->reg->buf_dataport);
timeout = ARASAN_NAND_POLL_TIMEOUT; timeout = ARASAN_NAND_POLL_TIMEOUT;
while (!(readl(&arasan_nand_base->intsts_reg) & while (!(readl(&info->reg->intsts_reg) &
ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) { ARASAN_NAND_INT_STS_XFR_CMPLT_MASK) && timeout) {
udelay(1); udelay(1);
timeout--; timeout--;
@ -993,17 +1020,18 @@ static void arasan_nand_read_buf(struct mtd_info *mtd, u8 *buf, int size)
if (!timeout) if (!timeout)
puts("ERROR:arasan_nand_read_buf timedout:Xfer CMPLT\n"); puts("ERROR:arasan_nand_read_buf timedout:Xfer CMPLT\n");
reg_val = readl(&arasan_nand_base->intsts_enr); reg_val = readl(&info->reg->intsts_enr);
writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
reg_val = readl(&arasan_nand_base->intsts_reg); reg_val = readl(&info->reg->intsts_reg);
writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(reg_val | ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_reg); &info->reg->intsts_reg);
} }
static u8 arasan_nand_read_byte(struct mtd_info *mtd) static u8 arasan_nand_read_byte(struct mtd_info *mtd)
{ {
struct nand_chip *chip = mtd_to_nand(mtd); struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_drv *info = nand_get_controller_data(chip);
u32 size; u32 size;
u8 val; u8 val;
struct nand_onfi_params *p; struct nand_onfi_params *p;
@ -1019,7 +1047,7 @@ static u8 arasan_nand_read_byte(struct mtd_info *mtd)
else if (curr_cmd->cmd1 == NAND_CMD_GET_FEATURES) else if (curr_cmd->cmd1 == NAND_CMD_GET_FEATURES)
size = 4; size = 4;
else if (curr_cmd->cmd1 == NAND_CMD_STATUS) else if (curr_cmd->cmd1 == NAND_CMD_STATUS)
return readb(&arasan_nand_base->flash_sts_reg); return readb(&info->reg->flash_sts_reg);
else else
size = 8; size = 8;
chip->read_buf(mtd, &buf_data[0], size); chip->read_buf(mtd, &buf_data[0], size);
@ -1034,13 +1062,14 @@ static u8 arasan_nand_read_byte(struct mtd_info *mtd)
static void arasan_nand_cmd_function(struct mtd_info *mtd, unsigned int command, static void arasan_nand_cmd_function(struct mtd_info *mtd, unsigned int command,
int column, int page_addr) int column, int page_addr)
{ {
u32 i, ret = 0;
struct nand_chip *chip = mtd_to_nand(mtd); struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_config *nand = nand_get_controller_data(chip); struct nand_drv *info = nand_get_controller_data(chip);
struct nand_config *nand = &info->config;
u32 i, ret = 0;
curr_cmd = NULL; curr_cmd = NULL;
writel(ARASAN_NAND_INT_STS_XFR_CMPLT_MASK, writel(ARASAN_NAND_INT_STS_XFR_CMPLT_MASK,
&arasan_nand_base->intsts_enr); &info->reg->intsts_enr);
if ((command == NAND_CMD_READOOB) && if ((command == NAND_CMD_READOOB) &&
(mtd->writesize > 512)) { (mtd->writesize > 512)) {
@ -1063,7 +1092,7 @@ static void arasan_nand_cmd_function(struct mtd_info *mtd, unsigned int command,
} }
if (curr_cmd->cmd1 == NAND_CMD_RESET) if (curr_cmd->cmd1 == NAND_CMD_RESET)
ret = arasan_nand_reset(curr_cmd); ret = arasan_nand_reset(mtd, curr_cmd);
if ((curr_cmd->cmd1 == NAND_CMD_READID) || if ((curr_cmd->cmd1 == NAND_CMD_READID) ||
(curr_cmd->cmd1 == NAND_CMD_PARAM) || (curr_cmd->cmd1 == NAND_CMD_PARAM) ||
@ -1134,9 +1163,10 @@ static void arasan_check_ondie(struct mtd_info *mtd)
static int arasan_nand_ecc_init(struct mtd_info *mtd) static int arasan_nand_ecc_init(struct mtd_info *mtd)
{ {
struct nand_chip *nand_chip = mtd_to_nand(mtd);
struct nand_drv *info = nand_get_controller_data(nand_chip);
int found = -1; int found = -1;
u32 regval, eccpos_start, i, eccaddr; u32 regval, eccpos_start, i, eccaddr;
struct nand_chip *nand_chip = mtd_to_nand(mtd);
for (i = 0; i < ARRAY_SIZE(ecc_matrix); i++) { for (i = 0; i < ARRAY_SIZE(ecc_matrix); i++) {
if ((ecc_matrix[i].pagesize == mtd->writesize) && if ((ecc_matrix[i].pagesize == mtd->writesize) &&
@ -1160,14 +1190,14 @@ static int arasan_nand_ecc_init(struct mtd_info *mtd)
regval = eccaddr | regval = eccaddr |
(ecc_matrix[found].eccsize << ARASAN_NAND_ECC_SIZE_SHIFT) | (ecc_matrix[found].eccsize << ARASAN_NAND_ECC_SIZE_SHIFT) |
(ecc_matrix[found].bch << ARASAN_NAND_ECC_BCH_SHIFT); (ecc_matrix[found].bch << ARASAN_NAND_ECC_BCH_SHIFT);
writel(regval, &arasan_nand_base->ecc_reg); writel(regval, &info->reg->ecc_reg);
if (ecc_matrix[found].bch) { if (ecc_matrix[found].bch) {
regval = readl(&arasan_nand_base->memadr_reg2); regval = readl(&info->reg->memadr_reg2);
regval &= ~ARASAN_NAND_MEM_ADDR2_BCH_MASK; regval &= ~ARASAN_NAND_MEM_ADDR2_BCH_MASK;
regval |= (ecc_matrix[found].bchval << regval |= (ecc_matrix[found].bchval <<
ARASAN_NAND_MEM_ADDR2_BCH_SHIFT); ARASAN_NAND_MEM_ADDR2_BCH_SHIFT);
writel(regval, &arasan_nand_base->memadr_reg2); writel(regval, &info->reg->memadr_reg2);
} }
nand_oob.eccbytes = ecc_matrix[found].eccsize; nand_oob.eccbytes = ecc_matrix[found].eccsize;
@ -1191,18 +1221,14 @@ static int arasan_probe(struct udevice *dev)
{ {
struct arasan_nand_info *arasan = dev_get_priv(dev); struct arasan_nand_info *arasan = dev_get_priv(dev);
struct nand_chip *nand_chip = &arasan->nand_chip; struct nand_chip *nand_chip = &arasan->nand_chip;
struct nand_config *nand; struct nand_drv *info = &arasan->nand_ctrl;
struct nand_config *nand = &info->config;
struct mtd_info *mtd; struct mtd_info *mtd;
int err = -1; int err = -1;
nand = calloc(1, sizeof(struct nand_config)); info->reg = (struct nand_regs *)dev_read_addr(dev);
if (!nand) {
printf("%s: failed to allocate\n", __func__);
return err;
}
mtd = nand_to_mtd(nand_chip); mtd = nand_to_mtd(nand_chip);
nand_set_controller_data(nand_chip, nand); nand_set_controller_data(nand_chip, &arasan->nand_ctrl);
#ifdef CONFIG_SYS_NAND_NO_SUBPAGE_WRITE #ifdef CONFIG_SYS_NAND_NO_SUBPAGE_WRITE
nand_chip->options |= NAND_NO_SUBPAGE_WRITE; nand_chip->options |= NAND_NO_SUBPAGE_WRITE;
@ -1218,8 +1244,8 @@ static int arasan_probe(struct udevice *dev)
nand_chip->write_buf = arasan_nand_write_buf; nand_chip->write_buf = arasan_nand_write_buf;
nand_chip->bbt_options = NAND_BBT_USE_FLASH; nand_chip->bbt_options = NAND_BBT_USE_FLASH;
writel(0x0, &arasan_nand_base->cmd_reg); writel(0x0, &info->reg->cmd_reg);
writel(0x0, &arasan_nand_base->pgm_reg); writel(0x0, &info->reg->pgm_reg);
/* first scan to find the device and get the page size */ /* first scan to find the device and get the page size */
if (nand_scan_ident(mtd, CONFIG_SYS_NAND_MAX_CHIPS, NULL)) { if (nand_scan_ident(mtd, CONFIG_SYS_NAND_MAX_CHIPS, NULL)) {