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stm32mp1: add support for LpDDR3

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This change enables LpDDR3 initialization with PMIC.

Change-Id: I2409a808335dfacd69a8517cb8510cee98bb8161
Signed-off-by: Yann Gautier <yann.gautier@st.com>
This commit is contained in:
Yann Gautier 2019-04-16 16:20:58 +02:00
parent e463d3f43e
commit 4b549b2153
3 changed files with 4 additions and 0 deletions
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2
drivers/st/ddr/stm32mp1_ddr.c
View file

@ -717,6 +717,8 @@ void stm32mp1_ddr_init(struct ddr_info *priv,
ret = board_ddr_power_init(STM32MP_DDR3); ret = board_ddr_power_init(STM32MP_DDR3);
} else if ((config->c_reg.mstr & DDRCTRL_MSTR_LPDDR2) != 0U) { } else if ((config->c_reg.mstr & DDRCTRL_MSTR_LPDDR2) != 0U) {
ret = board_ddr_power_init(STM32MP_LPDDR2); ret = board_ddr_power_init(STM32MP_LPDDR2);
} else if ((config->c_reg.mstr & DDRCTRL_MSTR_LPDDR3) != 0U) {
ret = board_ddr_power_init(STM32MP_LPDDR3);
} else { } else {
ERROR("DDR type not supported\n"); ERROR("DDR type not supported\n");
} }

1
drivers/st/pmic/stm32mp_pmic.c
View file

@ -299,6 +299,7 @@ int pmic_ddr_power_init(enum ddr_type ddr_type)
break; break;
case STM32MP_LPDDR2: case STM32MP_LPDDR2:
case STM32MP_LPDDR3:
/* /*
* Set LDO3 to 1.8V * Set LDO3 to 1.8V
* Set LDO3 to bypass mode if BUCK3 = 1.8V * Set LDO3 to bypass mode if BUCK3 = 1.8V

1
plat/st/stm32mp1/stm32mp1_def.h
View file

@ -66,6 +66,7 @@
enum ddr_type { enum ddr_type {
STM32MP_DDR3, STM32MP_DDR3,
STM32MP_LPDDR2, STM32MP_LPDDR2,
STM32MP_LPDDR3
}; };
#endif #endif