[U-Boot] [Patch V5 1/2] armv8: ls1088ardb: Add SD boot support for ls1088
York Sun
york.sun at nxp.com
Thu Nov 2 15:11:05 UTC 2017
On 11/01/2017 09:21 PM, Ashish Kumar wrote:
> Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha at nxp.com>
> Signed-off-by: Ashish Kumar <Ashish.Kumar at nxp.com>
> Signed-off-by: Raghav Dogra <raghav.dogra at nxp.com>
> ---
>
> v5:
> Rewording and incorporation of review comments in README
> Move define to defconfig
>
> arch/arm/Kconfig | 1 +
> arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch3 | 45 ++++++++++++++++++++++
> board/freescale/ls1088a/MAINTAINERS | 1 +
> board/freescale/ls1088a/ddr.c | 5 ++-
> configs/ls1088ardb_sdcard_qspi_defconfig | 42 ++++++++++++++++++++
> include/configs/ls1088a_common.h | 25 ++++++++++++
> include/configs/ls1088ardb.h | 30 ++++++++++++++-
> 7 files changed, 146 insertions(+), 3 deletions(-)
> create mode 100644 configs/ls1088ardb_sdcard_qspi_defconfig
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 83b7aa5..5707111 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -938,6 +938,7 @@ config TARGET_LS1088ARDB
> select ARMV8_MULTIENTRY
> select ARCH_MISC_INIT
> select BOARD_LATE_INIT
> + select SUPPORT_SPL
> help
> Support for NXP LS1088ARDB platform.
> The LS1088A Reference design board (RDB) is a high-performance
> diff --git a/arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch3 b/arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch3
> index 7867c37..a4ed24f 100644
> --- a/arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch3
> +++ b/arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch3
> @@ -201,6 +201,51 @@ nand write <u-boot image in memory> 80000 <size of u-boot image>
> Notice the difference from QDS is SRC, SRC_ADDR and the offset of u-boot image
> to match board NAND device with 4KB/page, block size 512KB.
>
> +Booting from SD/eMMC
> +-------------------
> +Booting from SD/eMMC requires two images, RCW and u-boot-with-spl.bin.
> +The difference between SD boot RCW image and QSPI-NOR boot image is the PBI
> +command sequence. Below is one example for PBI commands for RDB and QDS which uses
> +SD device with block size 512. Block location can be calculated by dividing offset with
> +block size.
Inconsistent wrap-back length at multiple places. Please fix.
> +
> +1) Block Copy: SRC=0x0040, SRC_ADDR=0x00100000, DEST_ADDR=0x1800a000,
> +BLOCK_SIZE=0x00016000
> +
> +This command copies u-boot image from SD device into OCRAM. The values need
> +to adjust accordingly for SD/eMMC
> +
> +SRC should match the cfg_rcw_src, the reset config pins.
> + The value for source(SRC) can be 0x0040 or 0x0041
> + depending upon SD or eMMC.
> +SRC_ADDR is the offset of u-boot-with-spl.bin image in SD device. In
> + the example above, 1MB. This is same as QSPI-NOR.
> +DEST_ADDR is configured at 0x1800a000, matching bootloc set above.
> +BLOCK_SIZE is the size to be copied by PBI.
> +
> +2) CCSR 4-byte write to 0x01e00404, data=0x00000000
> +3) CCSR 4-byte write to 0x01e00400, data=0x1800a000
> +The above two commands set bootloc register to 0x00000000_1800a000 where
> +the u-boot code will be running in OCRAM.
> +
> +
> +RCW image should be written at 8th block of device(SD/eMMC). Example of using
> +u-boot command
> +
> +mmc erase 0x8 0x10
> +mmc write <rcw image in memory> 0x8 <size of rcw in block count typical value=10>
> +
> +To form the SD-Boot image, build u-boot with SD config, for example,
> +ls1088ardb_sdcard_qspi_defconfig. The image needed is u-boot-with-spl.bin.
> +The u-boot image should be written to match SRC_ADDR, in above example offset 0x100000
> +in other work it means block location 0x800
> +
> +mmc erase 0x800 0x1800
> +mmc write <u-boot image in memory> 0x800 <size of u-boot image in block count>
> +
> +With these two images in SD/eMMC device, the board can boot from SD/eMMC.
> +
> +
> MMU Translation Tables
> ======================
>
> diff --git a/board/freescale/ls1088a/MAINTAINERS b/board/freescale/ls1088a/MAINTAINERS
> index e1e6d4b..68f23d6 100644
> --- a/board/freescale/ls1088a/MAINTAINERS
> +++ b/board/freescale/ls1088a/MAINTAINERS
> @@ -5,6 +5,7 @@ S: Maintained
> F: board/freescale/ls1088a/
> F: include/configs/ls1088ardb.h
> F: configs/ls1088ardb_qspi_defconfig
> +F: configs/ls1088ardb_sdcard_qspi_defconfig
>
> LS1088AQDS BOARD
> M: Prabhakar Kushwaha <prabhakar.kushwaha at nxp.com>
> diff --git a/board/freescale/ls1088a/ddr.c b/board/freescale/ls1088a/ddr.c
> index 0ecfd65..e24bfd5 100644
> --- a/board/freescale/ls1088a/ddr.c
> +++ b/board/freescale/ls1088a/ddr.c
> @@ -96,7 +96,10 @@ int fsl_initdram(void)
> {
> puts("Initializing DDR....using SPD\n");
>
> +#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
> + gd->ram_size = fsl_ddr_sdram_size();
> +#else
> gd->ram_size = fsl_ddr_sdram();
> -
> +#endif
> return 0;
> }
> diff --git a/configs/ls1088ardb_sdcard_qspi_defconfig b/configs/ls1088ardb_sdcard_qspi_defconfig
> new file mode 100644
> index 0000000..b677b2f
> --- /dev/null
> +++ b/configs/ls1088ardb_sdcard_qspi_defconfig
> @@ -0,0 +1,42 @@
> +CONFIG_ARM=y
> +CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1088a-rdb"
> +CONFIG_DM=y
> +CONFIG_DM_SPI=y
> +CONFIG_DM_SPI_FLASH=y
> +CONFIG_CMD_DHCP=y
> +CONFIG_CMD_I2C=y
> +CONFIG_CMD_MMC=y
> +# CONFIG_CMD_SETEXPR is not set
> +CONFIG_CMD_SF=y
> +CONFIG_CMD_PING=y
> +# CONFIG_DISPLAY_BOARDINFO is not set
> +CONFIG_E1000=y
> +CONFIG_ENV_IS_IN_MMC=y
> +CONFIG_FIT=y
> +CONFIG_FIT_VERBOSE=y
> +CONFIG_FSL_DSPI=y
> +CONFIG_FSL_LS_PPA=y
> +CONFIG_HUSH_PARSER=y
> +CONFIG_NETDEVICES=y
> +CONFIG_NET_RANDOM_ETHADDR=y
> +CONFIG_OF_BOARD_SETUP=y
> +CONFIG_OF_CONTROL=y
> +CONFIG_PARTITIONS=y
> +CONFIG_SD_BOOT=y
> +CONFIG_SPI_FLASH=y
> +CONFIG_SPL=y
> +CONFIG_SPL_BUILD=y
> +CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
> +CONFIG_SPL_ENV_SUPPORT=y
> +CONFIG_SPL_I2C_SUPPORT=y
> +CONFIG_SPL_LIBCOMMON_SUPPORT=y
> +CONFIG_SPL_LIBGENERIC_SUPPORT=y
> +CONFIG_SPL_MMC_SUPPORT=y
> +CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT=y
> +CONFIG_SPL_SERIAL_SUPPORT=y
> +CONFIG_SYS_EXTRA_OPTIONS="SD_BOOT_QSPI"
> +CONFIG_SYS_NS16550=y
> +# CONFIG_SYS_MALLOC_F is not set
> +CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x8b0
> +CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y
> +CONFIG_TARGET_LS1088ARDB=y
Please keep the config options sorted. You can use "make savedefconfig"
or moveconfig.py.
York
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