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can-calc-bit-timing: add support for mcp251xfd 

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
pull/277/head
Marc Kleine-Budde 2021-01-17 14:31:46 +01:00
parent 3fc6c05ce2
commit d72438243a
1 changed files with 30 additions and 0 deletions
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30
can-calc-bit-timing.c
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@ -201,6 +201,19 @@ static void printf_btr_mcp251x(struct can_bittiming *bt, bool hdr)
}
}
static void printf_btr_mcp251xfd(struct can_bittiming *bt, bool hdr)
{
if (hdr) {
printf("NBTCFG");
} else {
uint32_t nbtcfg = ((bt->brp - 1) << 24) |
((bt->prop_seg + bt->phase_seg1 - 1) << 16) |
((bt->phase_seg2 - 1) << 8) |
(bt->sjw - 1);
printf("0x%08x", nbtcfg);
}
}
static void printf_btr_ti_hecc(struct can_bittiming *bt, bool hdr)
{
if (hdr) {
@ -332,6 +345,23 @@ static struct calc_bittiming_const can_calc_consts[] = {
{ .clk = 10000000, },
},
.printf_btr = printf_btr_mcp251x,
}, {
.bittiming_const = {
.name = "mcp251xfd",
.tseg1_min = 2,
.tseg1_max = 256,
.tseg2_min = 1,
.tseg2_max = 128,
.sjw_max = 128,
.brp_min = 1,
.brp_max = 256,
.brp_inc = 1,
},
.ref_clk = {
{ .clk = 20000000, },
{ .clk = 40000000, },
},
.printf_btr = printf_btr_mcp251xfd,
}, {
.bittiming_const = {
.name = "ti_hecc",