diff options
| author | Torin Cooper-Bennun <torin@maxiluxsystems.com> | 2021-05-04 13:51:21 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2021-05-27 09:42:23 +0200 |
| commit | 38395f302f4d63b8373d2340fddd225f7b644882 (patch) | |
| tree | 9b95b2c42b6c73b93adbea489ba17892a1e2fb6c /drivers/net/can | |
| parent | 20779943a080c5ac9b9e291b76afbac12fdec023 (diff) | |
| download | linux-38395f302f4d63b8373d2340fddd225f7b644882.tar.bz2 | |
can: m_can: clean up CCCR reg defs, order by revs
Ensures that the different CCCR regmasks for m_can revs 3.0.x, 3.1.x,
3.2.x and 3.3.x are clearly distinguishable. Removes incorrect
CCCR_CANFD define. Adds bit fields UTSU and WMM for rev 3.3.x, for
completeness.
Link: https://lore.kernel.org/r/20210504125123.500553-3-torin@maxiluxsystems.com
Signed-off-by: Torin Cooper-Bennun <torin@maxiluxsystems.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can')
| -rw-r--r-- | drivers/net/can/m_can/m_can.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 5bed59b1083f..cee542c0fdd5 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -102,14 +102,6 @@ enum m_can_reg { #define TEST_LBCK BIT(4) /* CC Control Register(CCCR) */ -#define CCCR_CMR_MASK GENMASK(11, 10) -#define CCCR_CMR_CANFD 0x1 -#define CCCR_CMR_CANFD_BRS 0x2 -#define CCCR_CMR_CAN 0x3 -#define CCCR_CME_MASK GENMASK(9, 8) -#define CCCR_CME_CAN 0 -#define CCCR_CME_CANFD 0x1 -#define CCCR_CME_CANFD_BRS 0x2 #define CCCR_TXP BIT(14) #define CCCR_TEST BIT(7) #define CCCR_DAR BIT(6) @@ -119,14 +111,25 @@ enum m_can_reg { #define CCCR_ASM BIT(2) #define CCCR_CCE BIT(1) #define CCCR_INIT BIT(0) -#define CCCR_CANFD BIT(4) +/* for version 3.0.x */ +#define CCCR_CMR_MASK GENMASK(11, 10) +#define CCCR_CMR_CANFD 0x1 +#define CCCR_CMR_CANFD_BRS 0x2 +#define CCCR_CMR_CAN 0x3 +#define CCCR_CME_MASK GENMASK(9, 8) +#define CCCR_CME_CAN 0 +#define CCCR_CME_CANFD 0x1 +#define CCCR_CME_CANFD_BRS 0x2 /* for version >=3.1.x */ #define CCCR_EFBI BIT(13) #define CCCR_PXHD BIT(12) #define CCCR_BRSE BIT(9) #define CCCR_FDOE BIT(8) -/* only for version >=3.2.x */ +/* for version >=3.2.x */ #define CCCR_NISO BIT(15) +/* for version >=3.3.x */ +#define CCCR_WMM BIT(11) +#define CCCR_UTSU BIT(10) /* Nominal Bit Timing & Prescaler Register (NBTP) */ #define NBTP_NSJW_MASK GENMASK(31, 25) |