On Tuesday, September 01, 2015 at 06:56:30 AM, Chin Liang See wrote:
> On Mon, 2015-08-31 at 17:27 +0000, ma...@denx.de wrote:
> > On Monday, August 31, 2015 at 09:57:05 PM, dingu...@opensource.altera.com 
wrote:
> > > From: Dinh Nguyen <dingu...@opensource.altera.com>
> > > 
> > > Add support for the Terasic DE0-Nano/Atlas-SoC Kit, which is a CycloneV
> > > based board. The board can boot from SD/MMC. Ethernet is a bit
> > > different because it has a KSZ9031 PHY, so for now, ethernet doesn't
> > > quite work yet, as a few patches are needed to support the PHY.
> > 
> > I thought we did support the KSZ9031 PHY. What's the problem ?
> > 
> > > Signed-off-by: Dinh Nguyen <dingu...@opensource.altera.com>
> > > ---
> > > Hi Marek,
> > > 
> > > This patch is based on your u-boot-socfpga/wip/boards branch.
> > 
> > OK, that makes sense.
> > 
> > > Thanks,
> > > Dinh
> > > ---
> > > 
> > >  arch/arm/dts/Makefile                        |   1 +
> > >  arch/arm/dts/socfpga_cyclone5_de0_sockit.dts |  61 +++
> > >  arch/arm/mach-socfpga/Kconfig                |   7 +
> > >  board/terasic/de0/MAINTAINERS                |   5 +
> > >  board/terasic/de0/Makefile                   |   9 +
> > 
> > I think it might be clearer to rename it to de0-nano-soc, what do you
> > think ? What's the difference between de0-nano-soc and atlas btw ?
> > 
> > [...]
> > 
> > > diff --git a/configs/socfpga_de0_defconfig
> > > b/configs/socfpga_de0_defconfig new file mode 100644
> > > index 0000000..000f322
> > > --- /dev/null
> > > +++ b/configs/socfpga_de0_defconfig
> > > @@ -0,0 +1,21 @@
> > > +CONFIG_ARM=y
> > > +CONFIG_ARCH_SOCFPGA=y
> > > +CONFIG_TARGET_SOCFPGA_CYCLONE5=y
> > > +CONFIG_TARGET_SOCFPGA_TERASIC_DE0=y
> > > +CONFIG_DEFAULT_DEVICE_TREE="socfpga_cyclone5_de0_sockit"
> > > +CONFIG_SPL=y
> > > +# CONFIG_CMD_IMLS is not set
> > > +# CONFIG_CMD_FLASH is not set
> > > +CONFIG_OF_CONTROL=y
> > > +CONFIG_DM_ETH=y
> > > +CONFIG_NETDEVICES=y
> > > +CONFIG_ETH_DESIGNWARE=y
> > > +CONFIG_DM_GPIO=y
> > > +CONFIG_DWAPB_GPIO=y
> > > +CONFIG_SPL_DM=y
> > > +CONFIG_SPL_MMC_SUPPORT=y
> > > +CONFIG_DM_SEQ_ALIAS=y
> > 
> > I think you don't need the DM_SEQ_ALIAS, it's needed only for QSPI
> > to enforce the SPI NOR ordering.
> > 
> > > +CONFIG_SPL_SIMPLE_BUS=y
> > > +CONFIG_SPL_STACK_R=y
> > > +CONFIG_SPL_STACK_R_ADDR=0x00800000
> > > +CONFIG_SYS_MALLOC_F_LEN=0x2000
> > > diff --git a/include/configs/socfpga_de0.h
> > > b/include/configs/socfpga_de0.h new file mode 100644
> > > index 0000000..47e18ba
> > > --- /dev/null
> > > +++ b/include/configs/socfpga_de0.h
> > > @@ -0,0 +1,88 @@
> > > +/*
> > > + * Copyright (C) 2015 Marek Vasut <ma...@denx.de>
> > > + *
> > > + * SPDX-License-Identifier:      GPL-2.0+
> > > + */
> > > +#ifndef __CONFIG_TERASIC_DE0_H__
> > > +#define __CONFIG_TERASIC_DE0_H__
> > > +
> > > +#include <asm/arch/socfpga_base_addrs.h>
> > > +
> > > +/* U-Boot Commands */
> > > +#define CONFIG_SYS_NO_FLASH
> > > +#define CONFIG_DOS_PARTITION
> > > +#define CONFIG_FAT_WRITE
> > > +#define CONFIG_HW_WATCHDOG
> > > +
> > > +#define CONFIG_CMD_ASKENV
> > > +#define CONFIG_CMD_BOOTZ
> > > +#define CONFIG_CMD_CACHE
> > > +#define CONFIG_CMD_DFU
> > > +#define CONFIG_CMD_DHCP
> > > +#define CONFIG_CMD_EXT4
> > > +#define CONFIG_CMD_EXT4_WRITE
> > > +#define CONFIG_CMD_FAT
> > > +#define CONFIG_CMD_FS_GENERIC
> > > +#define CONFIG_CMD_GPIO
> > > +#define CONFIG_CMD_GREPENV
> > > +#define CONFIG_CMD_MII
> > > +#define CONFIG_CMD_MMC
> > > +#define CONFIG_CMD_PING
> > > +#define CONFIG_CMD_USB
> > > +#define CONFIG_CMD_USB_MASS_STORAGE
> > > +
> > > +/* Memory configurations */
> > > +#define PHYS_SDRAM_1_SIZE                0x40000000      /* 1GiB */
> > > +
> > > +/* Booting Linux */
> > > +#define CONFIG_BOOTDELAY 3
> > > +#define CONFIG_BOOTFILE          "fitImage"
> > > +#define CONFIG_BOOTARGS          "console=ttyS0,"
> > 
> > __stringify(CONFIG_BAUDRATE)
> > 
> > > +#ifdef CONFIG_SOCFPGA_VIRTUAL_TARGET
> > > +#define CONFIG_BOOTCOMMAND       "run ramboot"
> > > +#else
> > > +#define CONFIG_BOOTCOMMAND       "run mmcload; run mmcboot"
> > > +#endif
> > > +#define CONFIG_LOADADDR          0x01000000
> > > +#define CONFIG_SYS_LOAD_ADDR     CONFIG_LOADADDR
> > > +
> > > +/* Ethernet on SoC (EMAC) */
> > > +#if defined(CONFIG_CMD_NET)
> > > +
> > > +/* PHY */
> > > +#define CONFIG_PHY_MICREL
> > > +#define CONFIG_PHY_MICREL_KSZ9031
> > > +
> > > +#endif
> > > +
> > > +/* USB */
> > > +#ifdef CONFIG_CMD_USB
> > > +#define CONFIG_USB_DWC2_REG_ADDR SOCFPGA_USB1_ADDRESS
> > > +#endif
> > > +#define CONFIG_G_DNL_MANUFACTURER      "Terasic"
> > > +
> > > +/* Extra Environment */
> > > +#define CONFIG_HOSTNAME          socfpga_cyclone5
> > 
> > socfpga_d0_nano_soc might be better ;-)
> > 
> > > +
> > > +#define CONFIG_EXTRA_ENV_SETTINGS \
> > > + "verify=n\0" \
> > 
> > What's this "verify" variable for ?
> 
> This is to enable the checksum of next boot image. But I suspect it
> should be no for zImage as decompression engine will check that?

There is no checksum involved when booting zImage (which is the reason
zImage is not the preferred image format).
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