[U-Boot] [PATCH v4 0/6] tegra: Add NAND flash support

[Marek Vasut <marex@denx.de>]

Dear Tom Warren,

> Simon,
> 
> > -----Original Message-----
> > From: Simon Glass [mailto:sjg at chromium.org]
> > Sent: Sunday, July 29, 2012 11:53 PM
> > To: U-Boot Mailing List
> > Cc: Tom Warren; Stephen Warren; Scott Wood; Simon Glass
> > Subject: [PATCH v4 0/6] tegra: Add NAND flash support
> > 
> > This series adds NAND flash support to Tegra and enables it on Seaboard.
> 
> Applied to u-boot-tegra/next, thanks. The fix for the m28evk and apx4devkit
> builds (moving common.h to the top in mxs_nand.c) can come from you or
> Marek, and I'll add it to /next later. But for now, all tegra20 boards
> build fine.

I'd say, the patchset that breaks something should also fix it.

> Tom
> 
> > Included here is a proposed device tree binding with most of the
> > properties private to "nvidia,". The binding includes information about
> > the NAND controller as well as the connected NAND device. The Seaboard
> > has a Hynix HY27UF4G2B.
> > 
> > The driver supports ECC-based access and uses DMA and NAND acceleration
> > features of the Tegra SOC to provide access at reasonable speed.
> > 
> > Changes in v2:
> > - Add new patch to align default buffers in nand_base
> > - Added comment about the behaviour of the 'resp' register
> > - Call set_bus_width_page_size() at init to report errors earlier
> > - Change set_bus_width_page_size() to return an error when needed
> > - Change timing structure member to u32 to match device tree
> > - Check for supported bus width in board_nand_init()
> > - Fix tegra nand header file to remove BIT defines
> > - Implement a dummy nand_select_chip() instead of nand_hwcontro()
> > - Make nand_command() display an error on an unknown command
> > - Minor code tidy-ups in driver for style
> > - Move cache logic into a separate dma_prepare() function
> > - Remove CMD_TRANS_SIZE_BYTESx enum
> > - Remove space after casts
> > - Remove use of 'register' variables
> > - Rename struct nand_info to struct nand_drv to avoid nand_info_t
> > confusion - Support 4096 byte page devices, drop 1024 and 2048
> > - Tidy up nand_waitfor_cmd_completion() logic
> > - Update NAND binding to add "nvidia," prefix
> > - Use s32 for device tree integer values
> > 
> > Changes in v3:
> > - Add reg property for unit address (should be used for chip select)
> > - Change note in fdt binding about the need for a hardware-specific
> > binding - Fix up typos in fdt binding, and rename the file
> > - Update fdt binding to make everything Nvidia-specific
> > 
> > Changes in v4:
> > - Align buffer length to cache line size in dma_prepare()
> > - Fix "Write Page 0x0 timeout with ECC" error on 4.4.1
> > - Fix the issue that read_byte can read at most 4 times
> > - Get some information from Read ID data instead of from device tree
> > - In nand_command, set NAND_CMD_RNDOUT as unsupported command
> > - Modify eccoob layout
> > - Move to using CONFIG_SYS_NAND_SELF_INIT
> > - Remove "DEFAULT" from comment because that function is not default
> > - Remove fdt bindings related to page structure
> > - Remove local read_buf and write_buf functions
> > - Remove some fields in fdt_nand structure
> > - Rename CONFIG_TEGRA2_NAND to CONFIG_TEGRA_NAND
> > - Rename variables my_* as our_*
> > - Use virt_to_phys() when filling address register
> > 
> > Jim Lin (1):
> >   tegra: nand: Add Tegra NAND driver
> > 
> > Simon Glass (5):
> >   nand: Try to align the default buffers
> >   tegra: Add NAND support to funcmux
> >   tegra: fdt: Add NAND controller binding and definitions
> >   tegra: fdt: Add NAND definitions to fdt
> >   tegra: Enable NAND on Seaboard
> >  
> >  arch/arm/cpu/tegra20-common/funcmux.c              |    7 +
> >  arch/arm/dts/tegra20.dtsi                          |    7 +
> >  arch/arm/include/asm/arch-tegra20/funcmux.h        |    3 +
> >  arch/arm/include/asm/arch-tegra20/tegra20.h        |    1 +
> >  board/nvidia/dts/tegra20-seaboard.dts              |   10 +
> >  .../nand/nvidia,tegra20-nand.txt                   |   53 +
> >  drivers/mtd/nand/Makefile                          |    1 +
> >  drivers/mtd/nand/nand_base.c                       |    3 +-
> >  drivers/mtd/nand/tegra_nand.c                      | 1026
> > 
> > ++++++++++++++++++++
> > 
> >  drivers/mtd/nand/tegra_nand.h                      |  257 +++++
> >  include/configs/seaboard.h                         |    9 +
> >  include/configs/tegra20-common.h                   |    2 +
> >  include/fdtdec.h                                   |    1 +
> >  include/linux/mtd/nand.h                           |    7 +-
> >  lib/fdtdec.c                                       |    1 +
> >  15 files changed, 1384 insertions(+), 4 deletions(-)  create mode 100644
> > 
> > doc/device-tree-bindings/nand/nvidia,tegra20-nand.txt
> > 
> >  create mode 100644 drivers/mtd/nand/tegra_nand.c  create mode 100644
> > 
> > drivers/mtd/nand/tegra_nand.h
> > 
> > --
> > 1.7.7.3

Best regards,
Marek Vasut