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can-calc-bit-timing: add more can controller definitions and ref clocks 

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
pull/7/head
Marc Kleine-Budde 2010-07-20 13:43:20 +00:00
parent b9f9cd0c62
commit 5c74d8d806
1 changed files with 114 additions and 0 deletions
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114
can-calc-bit-timing.c
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@ -170,6 +170,21 @@ static void printf_btr_at91(struct can_bittiming *bt, int hdr)
}
}
static void printf_btr_flexcan(struct can_bittiming *bt, int hdr)
{
if (hdr) {
printf("%10s", "CAN_CTRL");
} else {
uint32_t ctrl = (((bt->brp - 1) << 24) |
((bt->sjw - 1) << 22) |
((bt->phase_seg1 - 1) << 19) |
((bt->phase_seg2 - 1) << 16) |
((bt->prop_seg - 1) << 0));
printf("0x%08x", ctrl);
}
}
static void printf_btr_mcp251x(struct can_bittiming *bt, int hdr)
{
uint8_t cnf1, cnf2, cnf3;
@ -225,9 +240,51 @@ static struct can_bittiming_const can_calc_consts[] = {
.brp_max = 64,
.brp_inc = 1,
.ref_clk = 32000000,
.printf_btr = printf_btr_sja1000,
},
{
.name = "mscan",
.tseg1_min = 4,
.tseg1_max = 16,
.tseg2_min = 2,
.tseg2_max = 8,
.sjw_max = 4,
.brp_min = 1,
.brp_max = 64,
.brp_inc = 1,
.ref_clk = 33000000,
.printf_btr = printf_btr_sja1000,
},
{
.name = "mscan",
.tseg1_min = 4,
.tseg1_max = 16,
.tseg2_min = 2,
.tseg2_max = 8,
.sjw_max = 4,
.brp_min = 1,
.brp_max = 64,
.brp_inc = 1,
.ref_clk = 33300000,
.printf_btr = printf_btr_sja1000,
},
{
.name = "mscan",
.tseg1_min = 4,
.tseg1_max = 16,
.tseg2_min = 2,
.tseg2_max = 8,
.sjw_max = 4,
.brp_min = 1,
.brp_max = 64,
.brp_inc = 1,
.ref_clk = 33333333,
.printf_btr = printf_btr_sja1000,
},
{
.name = "at91",
.tseg1_min = 4,
@ -242,6 +299,63 @@ static struct can_bittiming_const can_calc_consts[] = {
.ref_clk = 100000000,
.printf_btr = printf_btr_at91,
},
{
.name = "at91",
.tseg1_min = 4,
.tseg1_max = 16,
.tseg2_min = 2,
.tseg2_max = 8,
.sjw_max = 4,
.brp_min = 2,
.brp_max = 128,
.brp_inc = 1,
/* real world clock as found on the ronetix PM9263 */
.ref_clk = 99532800,
.printf_btr = printf_btr_at91,
},
{
.name = "flexcan",
.tseg1_min = 4,
.tseg1_max = 16,
.tseg2_min = 2,
.tseg2_max = 8,
.sjw_max = 4,
.brp_min = 1,
.brp_max = 256,
.brp_inc = 1,
.ref_clk = 49875000,
.printf_btr = printf_btr_flexcan,
},
{
.name = "flexcan",
.tseg1_min = 4,
.tseg1_max = 16,
.tseg2_min = 2,
.tseg2_max = 8,
.sjw_max = 4,
.brp_min = 1,
.brp_max = 256,
.brp_inc = 1,
.ref_clk = 66500000,
.printf_btr = printf_btr_flexcan,
},
{
.name = "mcp251x",
.tseg1_min = 3,
.tseg1_max = 16,
.tseg2_min = 2,
.tseg2_max = 8,
.sjw_max = 4,
.brp_min = 1,
.brp_max = 64,
.brp_inc = 1,
.ref_clk = 8000000,
.printf_btr = printf_btr_mcp251x,
},
{
.name = "mcp251x",
.tseg1_min = 3,