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Searched refs:t_ck (Results 1 – 3 of 3) sorted by relevance

/OK3568_Linux_fs/u-boot/arch/arm/mach-keystone/
H A Dddr3_spd.c89 u32 t_ck; member
174 spd->t_ck = buf->tck_min * mtb; in ddrtimingcalculation()
176 spd_cb->ddrspdclock = 2000000 / spd->t_ck; in ddrtimingcalculation()
196 spd->t_xp = ((3 * spd->t_ck) > 6000) ? in ddrtimingcalculation()
197 3 : ((5999 / spd->t_ck) + 1); in ddrtimingcalculation()
198 spd->t_cke = ((3 * spd->t_ck) > 5625) ? in ddrtimingcalculation()
199 3 : ((5624 / spd->t_ck) + 1); in ddrtimingcalculation()
201 spd->t_xp = ((3 * spd->t_ck) > 6000) ? in ddrtimingcalculation()
202 3 : ((5999 / spd->t_ck) + 1); in ddrtimingcalculation()
203 spd->t_cke = ((3 * spd->t_ck) > 5000) ? in ddrtimingcalculation()
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/OK3568_Linux_fs/kernel/drivers/memory/
H A Demif.c75 static u32 t_ck; /* DDR clock period in ps */ variable
178 t_ck = (u32)DIV_ROUND_UP_ULL(1000000000000ull, freq); in set_ddr_clk_period()
395 val = max(min_tck->tWTR, DIV_ROUND_UP(timings->tWTR, t_ck)) - 1; in get_sdram_tim_1_shdw()
399 val = DIV_ROUND_UP(timings->tFAW, t_ck*4); in get_sdram_tim_1_shdw()
401 val = max(min_tck->tRRD, DIV_ROUND_UP(timings->tRRD, t_ck)); in get_sdram_tim_1_shdw()
404 val = DIV_ROUND_UP(timings->tRAS_min + timings->tRPab, t_ck) - 1; in get_sdram_tim_1_shdw()
407 val = max(min_tck->tRASmin, DIV_ROUND_UP(timings->tRAS_min, t_ck)); in get_sdram_tim_1_shdw()
410 val = max(min_tck->tWR, DIV_ROUND_UP(timings->tWR, t_ck)) - 1; in get_sdram_tim_1_shdw()
413 val = max(min_tck->tRCD, DIV_ROUND_UP(timings->tRCD, t_ck)) - 1; in get_sdram_tim_1_shdw()
416 val = max(min_tck->tRPab, DIV_ROUND_UP(timings->tRPab, t_ck)) - 1; in get_sdram_tim_1_shdw()
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/OK3568_Linux_fs/u-boot/arch/x86/cpu/quark/
H A Dsmc.c30 static const uint32_t t_ck[3] = { variable
88 tck = t_ck[mrc_params->ddr_speed]; /* Clock in picoseconds */ in prog_ddr_timing_control()
1300 tck = t_ck[mrc_params->ddr_speed]; in perform_jedec_init()