dany/u-boot-megous
1
0
Fork 0
mirror of https://xff.cz/git/u-boot/ synced 2025-09-03 09:42:22 +02:00
Code Issues Packages Projects Releases Wiki Activity

stm32mp1: ram: add support for LPDDR2/LPDDR3

Browse Source 
Manage power supply configuration for board using stpmic1
with LPDDR2 or with LPDDR3:
+ VDD_DDR1 = 1.8V with BUCK3 (bypass if possible)
+ VDD_DDR2 = 1.2V with BUCK2

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrick Delaunay
2019-04-10 14:09:26 +02:00
committed by Patrice Chotard
parent 53bb831658
commit 1767ac2d1f
4 changed files with 132 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/ram/stm32mp1/stm32mp1_ddr_regs.h
View File

@@ -234,6 +234,8 @@ struct stm32mp1_ddrphy {
/* DDRCTRL REGISTERS */
#define DDRCTRL_MSTR_DDR3 BIT(0)
#define DDRCTRL_MSTR_LPDDR2 BIT(2)
#define DDRCTRL_MSTR_LPDDR3 BIT(3)
#define DDRCTRL_MSTR_DATA_BUS_WIDTH_MASK GENMASK(13, 12)
#define DDRCTRL_MSTR_DATA_BUS_WIDTH_FULL (0 << 12)
#define DDRCTRL_MSTR_DATA_BUS_WIDTH_HALF (1 << 12)