Commit b741b66f authored by Herve Codina's avatar Herve Codina Committed by Christophe Leroy
Browse files

soc: fsl: cpm1: qmc: Introduce qmc_version 



Current code handles the CPM1 version of QMC.

In order to prepare the support for the QUICC Engine (QE) version of
QMC, introduce qmc_version to identify versions. This will enable the
code to make the distinction between several QMC implementations.

Signed-off-by: default avatarHerve Codina <herve.codina@bootlin.com>
Reviewed-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20240808071132.149251-32-herve.codina@bootlin.com


Signed-off-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
parent 8f55d06b

drivers/soc/fsl/qe/qmc.c

+6 −0
Original line number Diff line number Diff line
@@ -215,7 +215,12 @@ struct qmc_chan { 
	bool	is_rx_stopped;

};



enum qmc_version {

	QMC_CPM1,

};



struct qmc_data {

	enum qmc_version version;

	u32 tstate; /* Initial TSTATE value */

	u32 rstate; /* Initial RSTATE value */

	u32 zistate; /* Initial ZISTATE value */
@@ -1811,6 +1816,7 @@ static void qmc_remove(struct platform_device *pdev) 
}



static const struct qmc_data qmc_data_cpm1 = {

	.version = QMC_CPM1,

	.tstate = 0x30000000,

	.rstate = 0x31000000,

	.zistate = 0x00000100,