[U-Boot] [PATCH 0/3] Fix fdt 'reg' parsing and unbreak Odroid U3

[Przemyslaw Marczak]

Hello,

On 09/24/2015 05:29 PM, Przemyslaw Marczak wrote:
> Booting of Odroid U3 with SD card, ends with error:
>
> MMC:   EXYNOS DWMMC: 0
> Card did not respond to voltage select!
> *** Warning - MMC init failed, using default environment
>
> Generally this was broken, because of wrong addresses assigned to GPIOs.
>
> The source of the problem was in rework of lib/fdtdec.c, after which
> function fdtdec_get_addr() doesn't work as previous and function
> dev_get_addr() doesn't works as expected.
>
> The code after rework in lib/fdtdec.c assume, that #size-cells property,
> should be always greater or equal to 1. This was wrong, because it can be 0.
>
> In case of debugging the issue I found, that mmc clock was computed wrong,
> for Exynos4, because of function get_mmc_clk(), which always return -1 for
> this SoC.
>
> Tested on: Odroid U3 and Odroid XU3.
>
> Przemyslaw Marczak (3):
>    fix: fdtdec: allow parse 'reg' property with zero value in
>      '#size-cells'
>    fix: s5p_gpio: call: dev_get_addr() instead of fdtdec_get_addr()
>    fix: mach-exynos: clock: restore calling dead exynos4_get_mmc_clk()
>
>   arch/arm/mach-exynos/clock.c | 10 ++++------
>   drivers/gpio/s5p_gpio.c      | 18 +++++++++++-------
>   lib/fdtdec.c                 |  2 +-
>   3 files changed, 16 insertions(+), 14 deletions(-)
>

+Tested-on: Odroid X2

Best regards,
-- 
Przemyslaw Marczak
Samsung R&D Institute Poland
Samsung Electronics
p.marczak at samsung.com