[U-Boot] [PATCHv3 00/13] mmc: exynos: code cleanup and support DDR mode
Jaehoon Chung
jh80.chung at samsung.com
Tue Apr 29 06:06:50 CEST 2014
Dear, All.
Did you have any comment?
Best Regards,
Jaehoon Chung
On 04/11/2014 02:55 PM, Jaehoon Chung wrote:
> If card and host are supported DDR mode, then it can be used the DDR mode.
> This patch-set has dependency about beomho's patch-set.
> (Based-on u-boot-samsung repository)
>
> It's result for loading image.
>
> sdhci controller ->5260488 bytes read in 259 ms (19.4 MiB/s)
> dwmmc controller without DDR mode -> 5260488 bytes read in 202 ms (24.8 MiB/s)
> dwmmc controller with DDR mode -> 5260488 bytes read in 118 ms (42.5 MiB/s)
>
> Download the 400M image with lthor.
> sdhci controller -> 59.4sec (Avg 6.95 MB/s)
> dwmmc controller without DDR mode -> 61.6sec (Avg 6.72MB/s)
> dwmmc controller with DDR mode -> 60.4sec (Avg 6.85MB/s)
>
> Beomho Seo (3):
> arm: exynos: pinmux: add sdmmc4 gpio configratuion
> arm: exynos: clock: Remove exynos4x12_set_mmc_clk function
> board: trats2: Enable device tree on Trats2
>
> Jaehoon Chung (10):
> ARM: exynos: board: change the mmc/sd init sequence
> ARM: exynos: clock: modify the set_mmc_clk for exynos4
> mmc: exynos_dw_mmc: restore the property into host
> mmc: remove the unnecessary define and fix the wrong bit control
> mmc: support the DDR mode for eMMC
> mmc: dw_mmc: support the DDR mode
> ARM: dts: exnyos: enable dw-mmc controller
> mmc: exynos_dw_mmc: enable the DDR mode
> ARM: exynos4: enable the dwmmc configuration
> mmc: s5p_sdhci: add the s5p_sdhci_core_init function
>
> arch/arm/cpu/armv7/exynos/clock.c | 45 ++-----
> arch/arm/cpu/armv7/exynos/pinmux.c | 18 ++-
> arch/arm/dts/exynos4.dtsi | 8 ++
> arch/arm/dts/exynos4412-trats2.dts | 12 ++
> arch/arm/include/asm/arch-exynos/clk.h | 5 +
> board/samsung/common/board.c | 13 +-
> drivers/mmc/dw_mmc.c | 12 +-
> drivers/mmc/exynos_dw_mmc.c | 209 ++++++++++++++++++++------------
> drivers/mmc/mmc.c | 16 ++-
> drivers/mmc/s5p_sdhci.c | 42 +++----
> include/configs/exynos4-dt.h | 3 +
> include/dwmmc.h | 5 +
> include/mmc.h | 25 ++--
> 13 files changed, 250 insertions(+), 163 deletions(-)
>
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