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add row16 option

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Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
This commit is contained in:
Icenowy Zheng
2023-07-21 14:19:34 +08:00
committed by Han Gao
parent 6fb1286862
commit 32c42cd31c
2 changed files with 13 additions and 0 deletions
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5
board/thead/light-c910/Kconfig
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@@ -213,6 +213,11 @@ config DDR_LP4_2133_SINGLERANK
help
Enabling this will support lpddr4 2133 singlerank configuration.
config DDR_ROW16
bool "LPDDR4/4X 17-bit row address support"
help
Enabling this will support ddr 17-bit row address (16:0).
config DDR_H32_MODE
bool "LPDDR4/4X 32bit mode configuration"
help

8
board/thead/light-c910/lpddr4/src/ddr_common_func.c
View File

@@ -873,7 +873,11 @@ if(bits==64) {
#endif
wr(ADDRMAP0,0x0004001f); // +2
if(rank_num==2) {
#ifdef CONFIG_DDR_ROW16
wr(ADDRMAP0,0x00040019);//16GB
#else
wr(ADDRMAP0,0x00040018);//8GB
#endif
}
wr(ADDRMAP1,0x00090909); //bank +2
wr(ADDRMAP2,0x00000000); //col b5+5 ~ col b2 +2
@@ -881,7 +885,11 @@ if(bits==64) {
wr(ADDRMAP4,0x00001f1f); //col b11~ col b10
wr(ADDRMAP5,0x080f0808); //row_b11 row b2_10 row b1 row b0 +6
wr(ADDRMAP6,0x08080808);
#ifdef CONFIG_DDR_ROW16
wr(ADDRMAP7,0x00000f08);
#else
wr(ADDRMAP7,0x00000f0f);
#endif
wr(ADDRMAP9,0x08080808);
wr(ADDRMAP10,0x08080808);
wr(ADDRMAP11,0x00000008);