xref: /openbmc/u-boot/drivers/ram/aspeed/Kconfig (revision 750ad590)
1if RAM || SPL_RAM
2
3if ASPEED_AST2600
4choice
5	prompt "DDR4 target data rate"
6	default ASPEED_DDR4_1600
7
8config ASPEED_DDR4_400
9	bool "DDR4 targets at 400Mbps"
10	depends on DM && OF_CONTROL && ARCH_ASPEED
11	help
12	  select DDR4 target data rate at 400M
13
14config ASPEED_DDR4_800
15	bool "DDR4 targets at 800Mbps"
16	depends on DM && OF_CONTROL && ARCH_ASPEED
17	help
18	  select DDR4 target data rate at 800M
19
20config ASPEED_DDR4_1333
21	bool "DDR4 targets at 1333Mbps"
22	depends on DM && OF_CONTROL && ARCH_ASPEED
23	help
24	  select DDR4 target data rate at 1333M
25
26config ASPEED_DDR4_1600
27	bool "DDR4 targets at 1600Mbps"
28	depends on DM && OF_CONTROL && ARCH_ASPEED
29	help
30	  select DDR4 target data rate at 1600M
31endchoice
32
33config ASPEED_DDR4_DUALX8
34	bool "dual X8 DDR4 die"
35	depends on DM && OF_CONTROL && ARCH_ASPEED
36	default n
37	help
38	  select dual X8 DDR4 die
39
40config ASPEED_BYPASS_SELFTEST
41	bool "bypass self test during DRAM initialization"
42	default n
43	help
44	  Say Y here to bypass DRAM self test to speed up the boot time
45
46choice
47	prompt "DDR4 PHY side ODT"
48	default ASPEED_DDR4_PHY_ODT80
49
50config ASPEED_DDR4_PHY_ODT80
51	bool "DDR4 PHY side ODT 80 ohm"
52	depends on DM && OF_CONTROL && ARCH_ASPEED
53	help
54	  select DDR4 PHY side ODT 80 ohm
55
56config ASPEED_DDR4_PHY_ODT60
57	bool "DDR4 PHY side ODT 60 ohm"
58	depends on DM && OF_CONTROL && ARCH_ASPEED
59	help
60	  select DDR4 PHY side ODT 60 ohm
61
62config ASPEED_DDR4_PHY_ODT48
63	bool "DDR4 PHY side ODT 48 ohm"
64	depends on DM && OF_CONTROL && ARCH_ASPEED
65	help
66	  select DDR4 PHY side ODT 48 ohm
67
68config ASPEED_DDR4_PHY_ODT40
69	bool "DDR4 PHY side ODT 40 ohm"
70	depends on DM && OF_CONTROL && ARCH_ASPEED
71	help
72	  select DDR4 PHY side ODT 40 ohm
73endchoice
74
75choice
76	prompt "DDR4 DRAM side ODT"
77	default ASPEED_DDR4_DRAM_ODT48
78
79config ASPEED_DDR4_DRAM_ODT80
80	bool "DDR4 DRAM side ODT 80 ohm"
81	depends on DM && OF_CONTROL && ARCH_ASPEED
82	help
83	  select DDR4 DRAM side ODT 80 ohm
84
85config ASPEED_DDR4_DRAM_ODT60
86	bool "DDR4 DRAM side ODT 60 ohm"
87	depends on DM && OF_CONTROL && ARCH_ASPEED
88	help
89	  select DDR4 DRAM side ODT 60 ohm
90
91config ASPEED_DDR4_DRAM_ODT48
92	bool "DDR4 DRAM side ODT 48 ohm"
93	depends on DM && OF_CONTROL && ARCH_ASPEED
94	help
95	  select DDR4 DRAM side ODT 48 ohm
96
97config ASPEED_DDR4_DRAM_ODT40
98	bool "DDR4 DRAM side ODT 40 ohm"
99	depends on DM && OF_CONTROL && ARCH_ASPEED
100	help
101	  select DDR4 DRAM side ODT 40 ohm
102endchoice
103
104choice
105	prompt "DDR4 DRAM output driver impedance"
106	default ASPEED_DDR4_DRAM_RON_34
107
108config ASPEED_DDR4_DRAM_RON_34
109	bool "DDR4 DRAM output driver impedance 34 ohm"
110	depends on DM && OF_CONTROL && ARCH_ASPEED
111	help
112	  select DDR4 DRAM output driver impedance 34 ohm
113
114config ASPEED_DDR4_DRAM_RON_48
115	bool "DDR4 DRAM output driver impedance 48 ohm"
116	depends on DM && OF_CONTROL && ARCH_ASPEED
117	help
118	  select DDR4 DRAM output driver impedance 48 ohm
119endchoice
120
121config ASPEED_DDR4_WR_DATA_EYE_TRAINING_RESULT_OFFSET
122	hex "DDR PHY write data eye training result offset"
123	default 0x10
124	help
125	  The offset value applied to the DDR PHY write data eye training result
126	  to fine-tune the write DQ/DQS alignment. Please don't change it if you
127	  are not sure what is the best value in your system.
128endif
129
130endif
131