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

Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/can-calc-bit-timing.c b/can-calc-bit-timing.c
index d97ebe6bcfa2374d654dd10bddb2fcbe4a4a4be0..a9fb992bf8129f2f568b20c29035a035eceea638 100644 (file)
--- a/can-calc-bit-timing.c
+++ b/can-calc-bit-timing.c
@@ -199,6 +199,23 @@ static void printf_btr_mcp251x(struct can_bittiming *bt, int hdr)
        }
 }
 
+static void printf_btr_ti_hecc(struct can_bittiming *bt, int hdr)
+{
+       if (hdr) {
+               printf("%10s", "CANBTC");
+       } else {
+               uint32_t can_btc;
+
+               can_btc = (bt->phase_seg2 - 1) & 0x7;
+               can_btc |= ((bt->phase_seg1 + bt->prop_seg - 1)
+                           & 0xF) << 3;
+               can_btc |= ((bt->sjw - 1) & 0x3) << 8;
+               can_btc |= ((bt->brp - 1) & 0xFF) << 16;
+
+               printf("0x%08x", can_btc);
+       }
+}
+
 static struct can_bittiming_const can_calc_consts[] = {
        {
                .name = "sja1000",
@@ -397,6 +414,20 @@ static struct can_bittiming_const can_calc_consts[] = {
                .ref_clk = 16000000,
                .printf_btr = printf_btr_mcp251x,
        },
+       {
+               .name = "ti_hecc",
+               .tseg1_min = 1,
+               .tseg1_max = 16,
+               .tseg2_min = 1,
+               .tseg2_max = 8,
+               .sjw_max = 4,
+               .brp_min = 1,
+               .brp_max = 256,
+               .brp_inc = 1,
+
+               .ref_clk = 13000000,
+               .printf_btr = printf_btr_ti_hecc,
+       }
 };
 
 static long common_bitrates[] = {