Commit 35523584 authored by Frank Li's avatar Frank Li Committed by Miquel Raynal
Browse files

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



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: default avatarFrank Li <Frank.Li@nxp.com>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240520-gpmi_nand-v2-3-e3017e4c9da5@nxp.com
parent 70cdc145

drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c

+5 −1
Original line number Diff line number Diff line
@@ -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),

};

drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

};



/**