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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-06-27 13:13:43 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-06-27 13:13:43 +0300
commit53c2f13c1ee59c8889bf23ef58653677e3ec1644 (patch)
tree8a34720bf4bc2329d2ff328318cb78ea474f0d41 /drivers/mtd/nand/raw/qcom_nandc.c
parent3394ade23d7e3934a166e973e664046ea6f559d4 (diff)
parente60eb441596d1c70e4a264d2bac726c6cd2da067 (diff)
downloadlinux-rolling-stable.tar.xz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/mtd/nand/raw/qcom_nandc.c')
-rw-r--r--drivers/mtd/nand/raw/qcom_nandc.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c
index 5eaa0be367cd..1003cf118c01 100644
--- a/drivers/mtd/nand/raw/qcom_nandc.c
+++ b/drivers/mtd/nand/raw/qcom_nandc.c
@@ -1863,7 +1863,12 @@ static int qcom_param_page_type_exec(struct nand_chip *chip, const struct nand_
const struct nand_op_instr *instr = NULL;
unsigned int op_id = 0;
unsigned int len = 0;
- int ret;
+ int ret, reg_base;
+
+ reg_base = NAND_READ_LOCATION_0;
+
+ if (nandc->props->qpic_version2)
+ reg_base = NAND_READ_LOCATION_LAST_CW_0;
ret = qcom_parse_instructions(chip, subop, &q_op);
if (ret)
@@ -1915,14 +1920,17 @@ static int qcom_param_page_type_exec(struct nand_chip *chip, const struct nand_
op_id = q_op.data_instr_idx;
len = nand_subop_get_data_len(subop, op_id);
- nandc_set_read_loc(chip, 0, 0, 0, len, 1);
+ if (nandc->props->qpic_version2)
+ nandc_set_read_loc_last(chip, reg_base, 0, len, 1);
+ else
+ nandc_set_read_loc_first(chip, reg_base, 0, len, 1);
if (!nandc->props->qpic_version2) {
qcom_write_reg_dma(nandc, &nandc->regs->vld, NAND_DEV_CMD_VLD, 1, 0);
qcom_write_reg_dma(nandc, &nandc->regs->cmd1, NAND_DEV_CMD1, 1, NAND_BAM_NEXT_SGL);
}
- nandc->buf_count = len;
+ nandc->buf_count = 512;
memset(nandc->data_buffer, 0xff, nandc->buf_count);
config_nand_single_cw_page_read(chip, false, 0);
@@ -2360,6 +2368,7 @@ static const struct qcom_nandc_props ipq806x_nandc_props = {
.supports_bam = false,
.use_codeword_fixup = true,
.dev_cmd_reg_start = 0x0,
+ .bam_offset = 0x30000,
};
static const struct qcom_nandc_props ipq4019_nandc_props = {
@@ -2367,6 +2376,7 @@ static const struct qcom_nandc_props ipq4019_nandc_props = {
.supports_bam = true,
.nandc_part_of_qpic = true,
.dev_cmd_reg_start = 0x0,
+ .bam_offset = 0x30000,
};
static const struct qcom_nandc_props ipq8074_nandc_props = {
@@ -2374,6 +2384,7 @@ static const struct qcom_nandc_props ipq8074_nandc_props = {
.supports_bam = true,
.nandc_part_of_qpic = true,
.dev_cmd_reg_start = 0x7000,
+ .bam_offset = 0x30000,
};
static const struct qcom_nandc_props sdx55_nandc_props = {
@@ -2382,6 +2393,7 @@ static const struct qcom_nandc_props sdx55_nandc_props = {
.nandc_part_of_qpic = true,
.qpic_version2 = true,
.dev_cmd_reg_start = 0x7000,
+ .bam_offset = 0x30000,
};
/*