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| author | Herve Codina <herve.codina@bootlin.com> | 2024-08-08 09:11:24 +0200 |
|---|---|---|
| committer | Christophe Leroy <christophe.leroy@csgroup.eu> | 2024-09-03 07:49:20 +0200 |
| commit | b741b66f1cc83105fdea9ac5503c5ac106a37494 (patch) | |
| tree | 4bf59e630f3d16c0306281e9b1ca20a094ae11a6 /drivers/soc | |
| parent | 8f55d06b4c49a8bf1a911bce89b6ee9460b8b052 (diff) | |
| download | lwn-b741b66f1cc83105fdea9ac5503c5ac106a37494.tar.gz lwn-b741b66f1cc83105fdea9ac5503c5ac106a37494.zip | |
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: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20240808071132.149251-32-herve.codina@bootlin.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/fsl/qe/qmc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c index 062477b7426e..8ff7eaaa4c50 100644 --- a/drivers/soc/fsl/qe/qmc.c +++ b/drivers/soc/fsl/qe/qmc.c @@ -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, |