From: Jaehoon Chung <jh80.chung@samsung.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 0/9] mmc: code cleanup and support DDR mode
Date: Thu, 27 Mar 2014 17:54:33 +0900 [thread overview]
Message-ID: <5333E749.9040808@samsung.com> (raw)
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)
http://patchwork.ozlabs.org/patch/331986/
http://patchwork.ozlabs.org/patch/331987/
http://patchwork.ozlabs.org/patch/331989/
http://patchwork.ozlabs.org/patch/331988/
It's result for loading uImage.
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)
Jaehoon Chung (9):
mmc: s5p_sdhci: add the s5p_sdhci_core_init function
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
arch/arm/cpu/armv7/exynos/clock.c | 16 ++-
arch/arm/dts/exynos4412-trats2.dts | 6 +-
board/samsung/common/board.c | 13 +--
drivers/mmc/dw_mmc.c | 10 +-
drivers/mmc/exynos_dw_mmc.c | 215 ++++++++++++++++++++++--------------
drivers/mmc/mmc.c | 15 ++-
drivers/mmc/s5p_sdhci.c | 43 +++-----
include/dwmmc.h | 2 +
include/mmc.h | 25 +++--
10 files changed, 214 insertions(+), 134 deletions(-)
--
1.7.9.5
reply other threads:[~2014-03-27 8:54 UTC|newest]
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