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mtd: rawnand: gpmi: add 'support_edo_timing' in gpmi_devdata

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Introduce a boolean flag, 'support_edo_timing', within gpmi_devdata to
simplify the logic check in gpmi_setup_interface(). This is made in
preparation for adding support for imx8qxp gpmi.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240520-gpmi_nand-v2-3-e3017e4c9da5@nxp.com
This commit is contained in:
Frank Li 2024-05-20 12:09:14 -04:00 committed by Miquel Raynal
parent 70cdc145c4
commit 355235842d
2 changed files with 6 additions and 1 deletions
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6
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
View File

@ -983,7 +983,7 @@ static int gpmi_setup_interface(struct nand_chip *chip, int chipnr,
return PTR_ERR(sdr);
/* Only MX28/MX6 GPMI controller can reach EDO timings */
if (sdr->tRC_min <= 25000 && !GPMI_IS_MX28(this) && !GPMI_IS_MX6(this))
if (sdr->tRC_min <= 25000 && !this->devdata->support_edo_timing)
return -ENOTSUPP;
/* Stop here if this call was just a check */
@ -1142,6 +1142,7 @@ static const struct gpmi_devdata gpmi_devdata_imx28 = {
.type = IS_MX28,
.bch_max_ecc_strength = 20,
.max_chain_delay = 16000,
.support_edo_timing = true,
.clks = gpmi_clks_for_mx2x,
.clks_count = ARRAY_SIZE(gpmi_clks_for_mx2x),
};
@ -1154,6 +1155,7 @@ static const struct gpmi_devdata gpmi_devdata_imx6q = {
.type = IS_MX6Q,
.bch_max_ecc_strength = 40,
.max_chain_delay = 12000,
.support_edo_timing = true,
.clks = gpmi_clks_for_mx6,
.clks_count = ARRAY_SIZE(gpmi_clks_for_mx6),
};
@ -1162,6 +1164,7 @@ static const struct gpmi_devdata gpmi_devdata_imx6sx = {
.type = IS_MX6SX,
.bch_max_ecc_strength = 62,
.max_chain_delay = 12000,
.support_edo_timing = true,
.clks = gpmi_clks_for_mx6,
.clks_count = ARRAY_SIZE(gpmi_clks_for_mx6),
};
@ -1174,6 +1177,7 @@ static const struct gpmi_devdata gpmi_devdata_imx7d = {
.type = IS_MX7D,
.bch_max_ecc_strength = 62,
.max_chain_delay = 12000,
.support_edo_timing = true,
.clks = gpmi_clks_for_mx7d,
.clks_count = ARRAY_SIZE(gpmi_clks_for_mx7d),
};

1
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h
View File

@ -86,6 +86,7 @@ struct gpmi_devdata {
int max_chain_delay; /* See the SDR EDO mode */
const char * const *clks;
const int clks_count;
bool support_edo_timing;
};
/**