24 #include "ram.h"
35 nvkm_gddr5_calc(struct nvkm_ram *ram, bool nuts)  in nvkm_gddr5_calc()  argument
39 	int rq = ram->freq < 1000000; /* XXX */  in nvkm_gddr5_calc()
41 	xd = !ram->next->bios.ramcfg_DLLoff;  in nvkm_gddr5_calc()
43 	switch (ram->next->bios.ramcfg_ver) {  in nvkm_gddr5_calc()
45 		pd =  ram->next->bios.ramcfg_11_01_80;  in nvkm_gddr5_calc()
46 		lf =  ram->next->bios.ramcfg_11_01_40;  in nvkm_gddr5_calc()
47 		vh =  ram->next->bios.ramcfg_11_02_10;  in nvkm_gddr5_calc()
48 		vr =  ram->next->bios.ramcfg_11_02_04;  in nvkm_gddr5_calc()
49 		vo =  ram->next->bios.ramcfg_11_06;  in nvkm_gddr5_calc()
50 		l3 = !ram->next->bios.ramcfg_11_07_02;  in nvkm_gddr5_calc()
56 	switch (ram->next->bios.timing_ver) {  in nvkm_gddr5_calc()
58 		WL = (ram->next->bios.timing[1] & 0x00000f80) >> 7;  in nvkm_gddr5_calc()
59 		CL = (ram->next->bios.timing[1] & 0x0000001f);  in nvkm_gddr5_calc()
60 		WR = (ram->next->bios.timing[2] & 0x007f0000) >> 16;  in nvkm_gddr5_calc()
61 		at[0] = ram->next->bios.timing_20_2e_c0;  in nvkm_gddr5_calc()
62 		at[1] = ram->next->bios.timing_20_2e_30;  in nvkm_gddr5_calc()
63 		dt =  ram->next->bios.timing_20_2e_03;  in nvkm_gddr5_calc()
64 		ds =  ram->next->bios.timing_20_2f_03;  in nvkm_gddr5_calc()
75 	ram->mr[0] &= ~0xf7f;  in nvkm_gddr5_calc()
76 	ram->mr[0] |= (WR & 0x0f) << 8;  in nvkm_gddr5_calc()
77 	ram->mr[0] |= (CL & 0x0f) << 3;  in nvkm_gddr5_calc()
78 	ram->mr[0] |= (WL & 0x07) << 0;  in nvkm_gddr5_calc()
80 	ram->mr[1] &= ~0x0bf;  in nvkm_gddr5_calc()
81 	ram->mr[1] |= (xd & 0x01) << 7;  in nvkm_gddr5_calc()
82 	ram->mr[1] |= (at[0] & 0x03) << 4;  in nvkm_gddr5_calc()
83 	ram->mr[1] |= (dt & 0x03) << 2;  in nvkm_gddr5_calc()
84 	ram->mr[1] |= (ds & 0x03) << 0;  in nvkm_gddr5_calc()
89 	ram->mr1_nuts = ram->mr[1];  in nvkm_gddr5_calc()
91 		ram->mr[1] &= ~0x030;  in nvkm_gddr5_calc()
92 		ram->mr[1] |= (at[1] & 0x03) << 4;  in nvkm_gddr5_calc()
95 	ram->mr[3] &= ~0x020;  in nvkm_gddr5_calc()
96 	ram->mr[3] |= (rq & 0x01) << 5;  in nvkm_gddr5_calc()
98 	ram->mr[5] &= ~0x004;  in nvkm_gddr5_calc()
99 	ram->mr[5] |= (l3 << 2);  in nvkm_gddr5_calc()
102 		vo = (ram->mr[6] & 0xff0) >> 4;  in nvkm_gddr5_calc()
103 	if (ram->mr[6] & 0x001)  in nvkm_gddr5_calc()
105 	ram->mr[6] &= ~0xff1;  in nvkm_gddr5_calc()
106 	ram->mr[6] |= (vo & 0xff) << 4;  in nvkm_gddr5_calc()
107 	ram->mr[6] |= (pd & 0x01) << 0;  in nvkm_gddr5_calc()
110 		ram->mr[7] &= ~0x300;  in nvkm_gddr5_calc()
111 		ram->mr[7] |= (vr & 0x03) << 8;  in nvkm_gddr5_calc()
113 	ram->mr[7] &= ~0x088;  in nvkm_gddr5_calc()
114 	ram->mr[7] |= (vh & 0x01) << 7;  in nvkm_gddr5_calc()
115 	ram->mr[7] |= (lf & 0x01) << 3;  in nvkm_gddr5_calc()
117 	ram->mr[8] &= ~0x003;  in nvkm_gddr5_calc()
118 	ram->mr[8] |= (WR & 0x10) >> 3;  in nvkm_gddr5_calc()
119 	ram->mr[8] |= (CL & 0x10) >> 4;  in nvkm_gddr5_calc()