[U-Boot] [PATCH V2 0/3] Fix hang when loading U-Boot from SPI or NAND
Albert ARIBAUD
albert.u.boot at aribaud.net
Wed Apr 20 07:56:37 CEST 2011
Hi Tom,
Le 15/04/2011 00:09, Tom Warren a écrit :
> This series of patches fixes a hang seen when loading U-Boot from SPI
> or NAND on Seaboard and Harmony due to a missing PLLX init. It also
> corrects a UARTD bit error in clk_rst.h, and adds rudimentary GPIO
> support so that the UART on Seaboard can be used by U-Boot (UARTD&
> SPIFLASH are muxed, and the default POR setting is for SPI access, so
> GPIO_PI3 has to be driven low to enable serial console I/O over UARTD).
> Harmony has no SPIFLASH, so the issue doesn't exist there.
>
> With these changes, I can write U-Boot to SPI on Seaboard and boot with
> it to the U-Boot cmd prompt. This should also apply to loading from NAND
> on Seaboard and Harmony - testing to follow.
>
> Changes in V2:
> - Change 2nd patch's description to 'Add basic GPIO definitions'
> - Add more descriptive comment for CPCON use in init_pllx
>
> Tom Warren (3):
> arm: Tegra2: Add missing PLLX init
> arm: Tegra2: GPIO: Add basic GPIO definitions
> arm: Tegra2: Move clk/mux init to board_early_init_f, add GPIO init
>
> arch/arm/cpu/armv7/tegra2/ap20.c | 29 ++++++++++++++
> arch/arm/include/asm/arch-tegra2/clk_rst.h | 6 ++-
> arch/arm/include/asm/arch-tegra2/gpio.h | 59 ++++++++++++++++++++++++++++
> arch/arm/include/asm/arch-tegra2/tegra2.h | 1 +
> board/nvidia/common/board.c | 32 ++++++++++-----
> board/nvidia/common/board.h | 4 ++
> board/nvidia/harmony/Makefile | 1 +
> board/nvidia/harmony/harmony.c | 34 ++++++++++++++++
> board/nvidia/seaboard/Makefile | 1 +
> board/nvidia/seaboard/seaboard.c | 52 ++++++++++++++++++++++++
> 10 files changed, 206 insertions(+), 13 deletions(-)
> create mode 100644 arch/arm/include/asm/arch-tegra2/gpio.h
> create mode 100644 board/nvidia/harmony/harmony.c
> create mode 100644 board/nvidia/seaboard/seaboard.c
Applied to u-boot-arm, thanks.
Amicalement,
--
Albert.
More information about the U-Boot
mailing list