mirror of https://gitee.com/openkylin/linux.git
mtd: nand: sunxi: rework macros
Suffix mask macros with _MSK and add new helper macros to avoid manually shifting values. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Boris BREZILLON
Brian Norris
parent
0c00a36d93
commit
b6a02c0847
|
|
@ -57,11 +57,8 @@
|
|||
#define NFC_REG_ECC_CTL 0x0034
|
||||
#define NFC_REG_ECC_ST 0x0038
|
||||
#define NFC_REG_DEBUG 0x003C
|
||||
#define NFC_REG_ECC_CNT0 0x0040
|
||||
#define NFC_REG_ECC_CNT1 0x0044
|
||||
#define NFC_REG_ECC_CNT2 0x0048
|
||||
#define NFC_REG_ECC_CNT3 0x004c
|
||||
#define NFC_REG_USER_DATA_BASE 0x0050
|
||||
#define NFC_REG_ECC_ERR_CNT(x) ((0x0040 + (x)) & ~0x3)
|
||||
#define NFC_REG_USER_DATA(x) (0x0050 + ((x) * 4))
|
||||
#define NFC_REG_SPARE_AREA 0x00A0
|
||||
#define NFC_RAM0_BASE 0x0400
|
||||
#define NFC_RAM1_BASE 0x0800
|
||||
|
|
@ -69,12 +66,16 @@
|
|||
/* define bit use in NFC_CTL */
|
||||
#define NFC_EN BIT(0)
|
||||
#define NFC_RESET BIT(1)
|
||||
#define NFC_BUS_WIDYH BIT(2)
|
||||
#define NFC_RB_SEL BIT(3)
|
||||
#define NFC_CE_SEL GENMASK(26, 24)
|
||||
#define NFC_BUS_WIDTH_MSK BIT(2)
|
||||
#define NFC_BUS_WIDTH_8 (0 << 2)
|
||||
#define NFC_BUS_WIDTH_16 (1 << 2)
|
||||
#define NFC_RB_SEL_MSK BIT(3)
|
||||
#define NFC_RB_SEL(x) ((x) << 3)
|
||||
#define NFC_CE_SEL_MSK GENMASK(26, 24)
|
||||
#define NFC_CE_SEL(x) ((x) << 24)
|
||||
#define NFC_CE_CTL BIT(6)
|
||||
#define NFC_CE_CTL1 BIT(7)
|
||||
#define NFC_PAGE_SIZE GENMASK(11, 8)
|
||||
#define NFC_PAGE_SHIFT_MSK GENMASK(11, 8)
|
||||
#define NFC_PAGE_SHIFT(x) (((x) < 10 ? 0 : (x) - 10) << 8)
|
||||
#define NFC_SAM BIT(12)
|
||||
#define NFC_RAM_METHOD BIT(14)
|
||||
#define NFC_DEBUG_CTL BIT(31)
|
||||
|
|
@ -86,10 +87,7 @@
|
|||
#define NFC_CMD_FIFO_STATUS BIT(3)
|
||||
#define NFC_STA BIT(4)
|
||||
#define NFC_NATCH_INT_FLAG BIT(5)
|
||||
#define NFC_RB_STATE0 BIT(8)
|
||||
#define NFC_RB_STATE1 BIT(9)
|
||||
#define NFC_RB_STATE2 BIT(10)
|
||||
#define NFC_RB_STATE3 BIT(11)
|
||||
#define NFC_RB_STATE(x) BIT(x + 8)
|
||||
|
||||
/* define bit use in NFC_INT */
|
||||
#define NFC_B2R_INT_ENABLE BIT(0)
|
||||
|
|
@ -109,9 +107,11 @@
|
|||
(((tCAD) & 0x7) << 8))
|
||||
|
||||
/* define bit use in NFC_CMD */
|
||||
#define NFC_CMD_LOW_BYTE GENMASK(7, 0)
|
||||
#define NFC_CMD_HIGH_BYTE GENMASK(15, 8)
|
||||
#define NFC_ADR_NUM GENMASK(18, 16)
|
||||
#define NFC_CMD_LOW_BYTE_MSK GENMASK(7, 0)
|
||||
#define NFC_CMD_HIGH_BYTE_MSK GENMASK(15, 8)
|
||||
#define NFC_CMD(x) (x)
|
||||
#define NFC_ADR_NUM_MSK GENMASK(18, 16)
|
||||
#define NFC_ADR_NUM(x) (((x) - 1) << 16)
|
||||
#define NFC_SEND_ADR BIT(19)
|
||||
#define NFC_ACCESS_DIR BIT(20)
|
||||
#define NFC_DATA_TRANS BIT(21)
|
||||
|
|
@ -123,29 +123,38 @@
|
|||
#define NFC_ROW_AUTO_INC BIT(27)
|
||||
#define NFC_SEND_CMD3 BIT(28)
|
||||
#define NFC_SEND_CMD4 BIT(29)
|
||||
#define NFC_CMD_TYPE GENMASK(31, 30)
|
||||
#define NFC_CMD_TYPE_MSK GENMASK(31, 30)
|
||||
#define NFC_NORMAL_OP (0 << 30)
|
||||
#define NFC_ECC_OP (1 << 30)
|
||||
#define NFC_PAGE_OP (2 << 30)
|
||||
|
||||
/* define bit use in NFC_RCMD_SET */
|
||||
#define NFC_READ_CMD GENMASK(7, 0)
|
||||
#define NFC_RANDOM_READ_CMD0 GENMASK(15, 8)
|
||||
#define NFC_RANDOM_READ_CMD1 GENMASK(23, 16)
|
||||
#define NFC_READ_CMD_MSK GENMASK(7, 0)
|
||||
#define NFC_RND_READ_CMD0_MSK GENMASK(15, 8)
|
||||
#define NFC_RND_READ_CMD1_MSK GENMASK(23, 16)
|
||||
|
||||
/* define bit use in NFC_WCMD_SET */
|
||||
#define NFC_PROGRAM_CMD GENMASK(7, 0)
|
||||
#define NFC_RANDOM_WRITE_CMD GENMASK(15, 8)
|
||||
#define NFC_READ_CMD0 GENMASK(23, 16)
|
||||
#define NFC_READ_CMD1 GENMASK(31, 24)
|
||||
#define NFC_PROGRAM_CMD_MSK GENMASK(7, 0)
|
||||
#define NFC_RND_WRITE_CMD_MSK GENMASK(15, 8)
|
||||
#define NFC_READ_CMD0_MSK GENMASK(23, 16)
|
||||
#define NFC_READ_CMD1_MSK GENMASK(31, 24)
|
||||
|
||||
/* define bit use in NFC_ECC_CTL */
|
||||
#define NFC_ECC_EN BIT(0)
|
||||
#define NFC_ECC_PIPELINE BIT(3)
|
||||
#define NFC_ECC_EXCEPTION BIT(4)
|
||||
#define NFC_ECC_BLOCK_SIZE BIT(5)
|
||||
#define NFC_ECC_BLOCK_SIZE_MSK BIT(5)
|
||||
#define NFC_RANDOM_EN BIT(9)
|
||||
#define NFC_RANDOM_DIRECTION BIT(10)
|
||||
#define NFC_ECC_MODE_SHIFT 12
|
||||
#define NFC_ECC_MODE GENMASK(15, 12)
|
||||
#define NFC_RANDOM_SEED GENMASK(30, 16)
|
||||
#define NFC_ECC_MODE_MSK GENMASK(15, 12)
|
||||
#define NFC_ECC_MODE(x) ((x) << 12)
|
||||
#define NFC_RANDOM_SEED_MSK GENMASK(30, 16)
|
||||
#define NFC_RANDOM_SEED(x) ((x) << 16)
|
||||
|
||||
/* define bit use in NFC_ECC_ST */
|
||||
#define NFC_ECC_ERR(x) BIT(x)
|
||||
#define NFC_ECC_PAT_FOUND(x) BIT(x + 16)
|
||||
#define NFC_ECC_ERR_CNT(b, x) (((x) >> ((b) * 8)) & 0xff)
|
||||
|
||||
/* NFC_USER_DATA helper macros */
|
||||
#define NFC_BUF_TO_USER_DATA(buf) ((buf)[0] | ((buf)[1] << 8) | \
|
||||
|
|
@ -360,13 +369,13 @@ static int sunxi_nfc_dev_ready(struct mtd_info *mtd)
|
|||
switch (rb->type) {
|
||||
case RB_NATIVE:
|
||||
ret = !!(readl(nfc->regs + NFC_REG_ST) &
|
||||
(NFC_RB_STATE0 << rb->info.nativeid));
|
||||
NFC_RB_STATE(rb->info.nativeid));
|
||||
if (ret)
|
||||
break;
|
||||
|
||||
sunxi_nfc_wait_int(nfc, NFC_RB_B2R, timeo);
|
||||
ret = !!(readl(nfc->regs + NFC_REG_ST) &
|
||||
(NFC_RB_STATE0 << rb->info.nativeid));
|
||||
NFC_RB_STATE(rb->info.nativeid));
|
||||
break;
|
||||
case RB_GPIO:
|
||||
ret = gpio_get_value(rb->info.gpio);
|
||||
|
|
@ -396,19 +405,19 @@ static void sunxi_nfc_select_chip(struct mtd_info *mtd, int chip)
|
|||
return;
|
||||
|
||||
ctl = readl(nfc->regs + NFC_REG_CTL) &
|
||||
~(NFC_CE_SEL | NFC_RB_SEL | NFC_EN);
|
||||
~(NFC_PAGE_SHIFT_MSK | NFC_CE_SEL_MSK | NFC_RB_SEL_MSK | NFC_EN);
|
||||
|
||||
if (chip >= 0) {
|
||||
sel = &sunxi_nand->sels[chip];
|
||||
|
||||
ctl |= (sel->cs << 24) | NFC_EN |
|
||||
(((nand->page_shift - 10) & 0xf) << 8);
|
||||
ctl |= NFC_CE_SEL(sel->cs) | NFC_EN |
|
||||
NFC_PAGE_SHIFT(nand->page_shift - 10);
|
||||
if (sel->rb.type == RB_NONE) {
|
||||
nand->dev_ready = NULL;
|
||||
} else {
|
||||
nand->dev_ready = sunxi_nfc_dev_ready;
|
||||
if (sel->rb.type == RB_NATIVE)
|
||||
ctl |= (sel->rb.info.nativeid << 3);
|
||||
ctl |= NFC_RB_SEL(sel->rb.info.nativeid);
|
||||
}
|
||||
|
||||
writel(mtd->writesize, nfc->regs + NFC_REG_SPARE_AREA);
|
||||
|
|
@ -550,9 +559,8 @@ static int sunxi_nfc_hw_ecc_read_page(struct mtd_info *mtd,
|
|||
int cnt;
|
||||
|
||||
tmp = readl(nfc->regs + NFC_REG_ECC_CTL);
|
||||
tmp &= ~(NFC_ECC_MODE | NFC_ECC_PIPELINE | NFC_ECC_BLOCK_SIZE);
|
||||
tmp |= NFC_ECC_EN | (data->mode << NFC_ECC_MODE_SHIFT) |
|
||||
NFC_ECC_EXCEPTION;
|
||||
tmp &= ~(NFC_ECC_MODE_MSK | NFC_ECC_PIPELINE | NFC_ECC_BLOCK_SIZE_MSK);
|
||||
tmp |= NFC_ECC_EN | NFC_ECC_MODE(data->mode) | NFC_ECC_EXCEPTION;
|
||||
|
||||
writel(tmp, nfc->regs + NFC_REG_ECC_CTL);
|
||||
|
||||
|
|
@ -570,7 +578,7 @@ static int sunxi_nfc_hw_ecc_read_page(struct mtd_info *mtd,
|
|||
if (ret)
|
||||
return ret;
|
||||
|
||||
tmp = NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | (1 << 30);
|
||||
tmp = NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | NFC_ECC_OP;
|
||||
writel(tmp, nfc->regs + NFC_REG_CMD);
|
||||
|
||||
ret = sunxi_nfc_wait_int(nfc, NFC_CMD_INT_FLAG, 0);
|
||||
|
|
@ -580,11 +588,11 @@ static int sunxi_nfc_hw_ecc_read_page(struct mtd_info *mtd,
|
|||
memcpy_fromio(buf + (i * ecc->size),
|
||||
nfc->regs + NFC_RAM0_BASE, ecc->size);
|
||||
|
||||
if (readl(nfc->regs + NFC_REG_ECC_ST) & 0x1) {
|
||||
if (readl(nfc->regs + NFC_REG_ECC_ST) & NFC_ECC_ERR(0)) {
|
||||
mtd->ecc_stats.failed++;
|
||||
} else {
|
||||
tmp = readl(nfc->regs + NFC_REG_ECC_CNT0) & 0xff;
|
||||
mtd->ecc_stats.corrected += tmp;
|
||||
tmp = readl(nfc->regs + NFC_REG_ECC_ERR_CNT(0));
|
||||
mtd->ecc_stats.corrected += NFC_ECC_ERR_CNT(0, tmp);
|
||||
max_bitflips = max_t(unsigned int, max_bitflips, tmp);
|
||||
}
|
||||
|
||||
|
|
@ -635,9 +643,8 @@ static int sunxi_nfc_hw_ecc_write_page(struct mtd_info *mtd,
|
|||
int cnt;
|
||||
|
||||
tmp = readl(nfc->regs + NFC_REG_ECC_CTL);
|
||||
tmp &= ~(NFC_ECC_MODE | NFC_ECC_PIPELINE | NFC_ECC_BLOCK_SIZE);
|
||||
tmp |= NFC_ECC_EN | (data->mode << NFC_ECC_MODE_SHIFT) |
|
||||
NFC_ECC_EXCEPTION;
|
||||
tmp &= ~(NFC_ECC_MODE_MSK | NFC_ECC_PIPELINE | NFC_ECC_BLOCK_SIZE_MSK);
|
||||
tmp |= NFC_ECC_EN | NFC_ECC_MODE(data->mode) | NFC_ECC_EXCEPTION;
|
||||
|
||||
writel(tmp, nfc->regs + NFC_REG_ECC_CTL);
|
||||
|
||||
|
|
@ -652,7 +659,7 @@ static int sunxi_nfc_hw_ecc_write_page(struct mtd_info *mtd,
|
|||
/* Fill OOB data in */
|
||||
writel(NFC_BUF_TO_USER_DATA(chip->oob_poi +
|
||||
layout->oobfree[i].offset),
|
||||
nfc->regs + NFC_REG_USER_DATA_BASE);
|
||||
nfc->regs + NFC_REG_USER_DATA(0));
|
||||
|
||||
chip->cmdfunc(mtd, NAND_CMD_RNDIN, offset, -1);
|
||||
|
||||
|
|
@ -661,7 +668,7 @@ static int sunxi_nfc_hw_ecc_write_page(struct mtd_info *mtd,
|
|||
return ret;
|
||||
|
||||
tmp = NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | NFC_ACCESS_DIR |
|
||||
(1 << 30);
|
||||
NFC_ECC_OP;
|
||||
writel(tmp, nfc->regs + NFC_REG_CMD);
|
||||
ret = sunxi_nfc_wait_int(nfc, NFC_CMD_INT_FLAG, 0);
|
||||
if (ret)
|
||||
|
|
@ -704,16 +711,15 @@ static int sunxi_nfc_hw_syndrome_ecc_read_page(struct mtd_info *mtd,
|
|||
int i;
|
||||
|
||||
tmp = readl(nfc->regs + NFC_REG_ECC_CTL);
|
||||
tmp &= ~(NFC_ECC_MODE | NFC_ECC_PIPELINE | NFC_ECC_BLOCK_SIZE);
|
||||
tmp |= NFC_ECC_EN | (data->mode << NFC_ECC_MODE_SHIFT) |
|
||||
NFC_ECC_EXCEPTION;
|
||||
tmp &= ~(NFC_ECC_MODE_MSK | NFC_ECC_PIPELINE | NFC_ECC_BLOCK_SIZE_MSK);
|
||||
tmp |= NFC_ECC_EN | NFC_ECC_MODE(data->mode) | NFC_ECC_EXCEPTION;
|
||||
|
||||
writel(tmp, nfc->regs + NFC_REG_ECC_CTL);
|
||||
|
||||
for (i = 0; i < ecc->steps; i++) {
|
||||
chip->read_buf(mtd, NULL, ecc->size);
|
||||
|
||||
tmp = NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | (1 << 30);
|
||||
tmp = NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | NFC_ECC_OP;
|
||||
writel(tmp, nfc->regs + NFC_REG_CMD);
|
||||
|
||||
ret = sunxi_nfc_wait_int(nfc, NFC_CMD_INT_FLAG, 0);
|
||||
|
|
@ -724,11 +730,11 @@ static int sunxi_nfc_hw_syndrome_ecc_read_page(struct mtd_info *mtd,
|
|||
buf += ecc->size;
|
||||
offset += ecc->size;
|
||||
|
||||
if (readl(nfc->regs + NFC_REG_ECC_ST) & 0x1) {
|
||||
if (readl(nfc->regs + NFC_REG_ECC_ST) & NFC_ECC_ERR(0)) {
|
||||
mtd->ecc_stats.failed++;
|
||||
} else {
|
||||
tmp = readl(nfc->regs + NFC_REG_ECC_CNT0) & 0xff;
|
||||
mtd->ecc_stats.corrected += tmp;
|
||||
tmp = readl(nfc->regs + NFC_REG_ECC_ERR_CNT(0));
|
||||
mtd->ecc_stats.corrected += NFC_ECC_ERR_CNT(0, tmp);
|
||||
max_bitflips = max_t(unsigned int, max_bitflips, tmp);
|
||||
}
|
||||
|
||||
|
|
@ -771,9 +777,8 @@ static int sunxi_nfc_hw_syndrome_ecc_write_page(struct mtd_info *mtd,
|
|||
int i;
|
||||
|
||||
tmp = readl(nfc->regs + NFC_REG_ECC_CTL);
|
||||
tmp &= ~(NFC_ECC_MODE | NFC_ECC_PIPELINE | NFC_ECC_BLOCK_SIZE);
|
||||
tmp |= NFC_ECC_EN | (data->mode << NFC_ECC_MODE_SHIFT) |
|
||||
NFC_ECC_EXCEPTION;
|
||||
tmp &= ~(NFC_ECC_MODE_MSK | NFC_ECC_PIPELINE | NFC_ECC_BLOCK_SIZE_MSK);
|
||||
tmp |= NFC_ECC_EN | NFC_ECC_MODE(data->mode) | NFC_ECC_EXCEPTION;
|
||||
|
||||
writel(tmp, nfc->regs + NFC_REG_ECC_CTL);
|
||||
|
||||
|
|
@ -783,10 +788,10 @@ static int sunxi_nfc_hw_syndrome_ecc_write_page(struct mtd_info *mtd,
|
|||
|
||||
/* Fill OOB data in */
|
||||
writel(NFC_BUF_TO_USER_DATA(oob),
|
||||
nfc->regs + NFC_REG_USER_DATA_BASE);
|
||||
nfc->regs + NFC_REG_USER_DATA(0));
|
||||
|
||||
tmp = NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | NFC_ACCESS_DIR |
|
||||
(1 << 30);
|
||||
NFC_ECC_OP;
|
||||
writel(tmp, nfc->regs + NFC_REG_CMD);
|
||||
|
||||
ret = sunxi_nfc_wait_int(nfc, NFC_CMD_INT_FLAG, 0);
|
||||
|
|
|
|||
Loading…
Reference in New Issue