Re: [PATCH] stm32mp: psci: Implement PSCI system suspend and DRAM SSR

On 2/10/22 20:20, Patrick DELAUNAY wrote: [...] +    writel(RCC_MP_CIFR_WKUPF, STM32_RCC_BASE + RCC_MP_CIFR); +    setbits_le32(STM32_RCC_BASE + RCC_MP_CIER, RCC_MP_CIFR_WKUPF); + +    setbits_le32(STM32_PWR_BASE + PWR_MPUCR, + PWR_MPUCR_CSSF | PWR_MPUCR_CSTDBYDIS | PWR_MPUCR_PDDS);

Re: [PATCH] stm32mp: psci: Implement PSCI system suspend and DRAM SSR

Hi, On 2/2/22 12:52, Marek Vasut wrote: Implement PSCI system suspend and placement of DRAM into SSR while the CPUs are in suspend. This saves non-trivial amount of power in suspend, on 2x W632GU6NB-15 ~710mW. Signed-off-by: Marek Vasut Cc: Patrick Delaunay Cc: Patrice Chotard --- arch/arm