Re: [U-Boot] [U-Boot, v3, 2/3] arm: at91/spl: mpddrc: add mpddrc DDR3-SDRAM initialization

Dear Wenyou Yang,

Wenyou Yang wenyou.yang@atmel.com writes:

The DDR3-SDRAM initialization sequence is implemented in accordance with the DDR3-SRAM/DDR3L-SDRAM initialization section described in the SAMA5D2 datasheet.

Add registers and definitions of mpddrc controller, which is used to support DDR3 devices.

Signed-off-by: Wenyou Yang wenyou.yang@atmel.com Reviewed-by: Andreas Bießmann andreas.devel@googlemail.com

---

Changes in v3:

• add 'base' argument to avoid specified base address.
• collect Reviewed-by from Andreas.

Changes in v2:

• remove comment accordingly after changing struct atmel_mpddr.
• remove some registers which have different definitions on different SoCs to avoid confusion.
• remove whitespace error.
• rework commit log.

arch/arm/mach-at91/include/mach/atmel_mpddrc.h | 86 ++++++++++++++++++++--- arch/arm/mach-at91/mpddrc.c | 89 ++++++++++++++++++++++++ 2 files changed, 167 insertions(+), 8 deletions(-)

applied to u-boot-atmel/master, thanks!

Best regards, Andreas Bießmann