[U-Boot] [PATCH] arm64: zynqmp: Add QSPI flash mini u-boot configuration
Michal Simek
michal.simek at xilinx.com
Wed Jul 18 09:30:24 UTC 2018
On 18.7.2018 10:56, Siva Durga Prasad Paladugu wrote:
> Add configuration files/dtses for mini u-boot configuration
> which runs on smaller footprint of internal memory. This
> configuration has only required qspi flash support and it
> uses DCC as serial.
>
> Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>
> ---
> This patch is based on series
> "[PATCH v6 0/5] Add support for reading memory configuration from
> DT at run-time"
> ---
> arch/arm/dts/Makefile | 1 +
> arch/arm/dts/zynqmp-mini-qspi.dts | 95 +++++++++++++++++++++++++++++++
> configs/xilinx_zynqmp_mini_qspi_defconfig | 61 ++++++++++++++++++++
> include/configs/xilinx_zynqmp_mini_qspi.h | 22 +++++++
> 4 files changed, 179 insertions(+)
> create mode 100644 arch/arm/dts/zynqmp-mini-qspi.dts
> create mode 100644 configs/xilinx_zynqmp_mini_qspi_defconfig
> create mode 100644 include/configs/xilinx_zynqmp_mini_qspi.h
>
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index 9607239..b62670b 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -150,6 +150,7 @@ dtb-$(CONFIG_ARCH_ZYNQMP) += \
> zynqmp-mini-emmc0.dtb \
> zynqmp-mini-emmc1.dtb \
> zynqmp-mini-nand.dtb \
> + zynqmp-mini-qspi.dtb \
> zynqmp-zcu100-revC.dtb \
> zynqmp-zcu102-revA.dtb \
> zynqmp-zcu102-revB.dtb \
> diff --git a/arch/arm/dts/zynqmp-mini-qspi.dts b/arch/arm/dts/zynqmp-mini-qspi.dts
> new file mode 100644
> index 0000000..3267021
> --- /dev/null
> +++ b/arch/arm/dts/zynqmp-mini-qspi.dts
> @@ -0,0 +1,95 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * dts file for Xilinx ZynqMP Mini Configuration
> + *
> + * (C) Copyright 2018, Xilinx, Inc.
This was done in 2015. It means 2015 - 2018
> + *
> + * Siva Durga Prasad <siva.durga.paladugu at xilinx.com>
> + * Michal Simek <michal.simek at xilinx.com>
> + */
> +
> +/dts-v1/;
> +
> +/ {
> + model = "ZynqMP MINI QSPI";
> + compatible = "xlnx,zynqmp";
> + #address-cells = <2>;
> + #size-cells = <1>;
> +
> + aliases {
> + serial0 = &dcc;
> + spi0 = &qspi;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + memory at 0 {
This should be memory at fffc0000
> + device_type = "memory";
> + reg = <0x0 0xfffc0000 0x40000>;
> + };
> +
> + dcc: dcc {
> + compatible = "arm,dcc";
> + status = "disabled";
> + u-boot,dm-pre-reloc;
> + };
> +
> + amba: amba {
> + compatible = "simple-bus";
> + #address-cells = <2>;
> + #size-cells = <1>;
> + ranges;
> +
> + qspi: spi at ff0f0000 {
> + compatible = "xlnx,zynqmp-qspi-1.0";
> + status = "disabled";
> + clock-names = "ref_clk", "pclk";
> + clocks = <&misc_clk &misc_clk>;
> + num-cs = <1>;
> + reg = <0x0 0xff0f0000 0x1000 0x0 0xc0000000 0x8000000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + misc_clk: misc_clk {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <125000000>;
> + };
> + };
> +};
> +
> +&qspi {
> + status = "okay";
> + flash at 0 {
> + compatible = "n25q512a11";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + reg = <0x0>;
> + spi-tx-bus-width = <1>;
> + spi-rx-bus-width = <4>;
> + spi-max-frequency = <10000000>;
> + partition at qspi-fsbl-uboot { /* for testing purpose */
> + label = "qspi-fsbl-uboot";
> + reg = <0x0 0x100000>;
> + };
> + partition at qspi-linux { /* for testing purpose */
> + label = "qspi-linux";
> + reg = <0x100000 0x500000>;
> + };
> + partition at qspi-device-tree { /* for testing purpose */
> + label = "qspi-device-tree";
> + reg = <0x600000 0x20000>;
> + };
> + partition at qspi-rootfs { /* for testing purpose */
> + label = "qspi-rootfs";
> + reg = <0x620000 0x5E0000>;
> + };
we should probably removed this partition setting because none is using it.
> + };
> +};
> +
> +&dcc {
> + status = "okay";
> +};
> diff --git a/configs/xilinx_zynqmp_mini_qspi_defconfig b/configs/xilinx_zynqmp_mini_qspi_defconfig
> new file mode 100644
> index 0000000..745a550
> --- /dev/null
> +++ b/configs/xilinx_zynqmp_mini_qspi_defconfig
> @@ -0,0 +1,61 @@
> +CONFIG_ARM=y
> +CONFIG_SYS_CONFIG_NAME="xilinx_zynqmp_mini_qspi"
> +CONFIG_ARCH_ZYNQMP=y
> +CONFIG_SYS_TEXT_BASE=0xFFFC0000
> +CONFIG_SYS_MEM_RSVD_FOR_MMU=y
> +CONFIG_ZYNQMP_NO_DDR=y
> +CONFIG_DEFINE_TCM_OCM_MMAP=y
> +# CONFIG_CMD_ZYNQMP is not set
> +CONFIG_DEFAULT_DEVICE_TREE="zynqmp-mini-qspi"
> +# CONFIG_IMAGE_FORMAT_LEGACY is not set
> +CONFIG_BOOTDELAY=-1
> +# CONFIG_DISPLAY_CPUINFO is not set
> +# CONFIG_CMDLINE_EDITING is not set
> +# CONFIG_AUTO_COMPLETE is not set
> +# CONFIG_SYS_LONGHELP is not set
> +CONFIG_SYS_PROMPT="ZynqMP> "
> +# CONFIG_CMD_BDI is not set
> +# CONFIG_CMD_CONSOLE is not set
> +# CONFIG_CMD_BOOTD is not set
> +# CONFIG_CMD_BOOTM is not set
> +# CONFIG_CMD_BOOTI is not set
> +# CONFIG_CMD_ELF is not set
> +# CONFIG_CMD_FDT is not set
> +# CONFIG_CMD_GO is not set
> +# CONFIG_CMD_RUN is not set
> +# CONFIG_CMD_IMI is not set
> +# CONFIG_CMD_XIMG is not set
> +# CONFIG_CMD_EXPORTENV is not set
> +# CONFIG_CMD_IMPORTENV is not set
> +# CONFIG_CMD_EDITENV is not set
> +# CONFIG_CMD_SAVEENV is not set
> +# CONFIG_CMD_ENV_EXISTS is not set
> +# CONFIG_CMD_CRC32 is not set
> +# CONFIG_CMD_DM is not set
> +# CONFIG_CMD_FLASH is not set
> +# CONFIG_CMD_LOADB is not set
> +# CONFIG_CMD_LOADS is not set
> +CONFIG_CMD_SF=y
> +# CONFIG_CMD_ECHO is not set
> +# CONFIG_CMD_ITEST is not set
> +# CONFIG_CMD_SOURCE is not set
> +# CONFIG_CMD_SETEXPR is not set
> +# CONFIG_CMD_MISC is not set
> +# CONFIG_PARTITIONS is not set
> +CONFIG_OF_EMBED=y
> +# CONFIG_NET is not set
> +# CONFIG_DM_WARN is not set
> +# CONFIG_DM_DEVICE_REMOVE is not set
> +# CONFIG_MMC is not set
> +CONFIG_DM_SPI_FLASH=y
> +CONFIG_SPI_FLASH=y
> +CONFIG_SPI_FLASH_BAR=y
> +CONFIG_SF_DUAL_FLASH=y
> +CONFIG_SPI_FLASH_MACRONIX=y
> +CONFIG_SPI_FLASH_SPANSION=y
> +CONFIG_SPI_FLASH_STMICRO=y
> +CONFIG_SPI_FLASH_WINBOND=y
> +CONFIG_SPI=y
> +CONFIG_DM_SPI=y
> +CONFIG_ZYNQMP_GQSPI=y
> +# CONFIG_EFI_LOADER is not set
> diff --git a/include/configs/xilinx_zynqmp_mini_qspi.h b/include/configs/xilinx_zynqmp_mini_qspi.h
> new file mode 100644
> index 0000000..03d213b
> --- /dev/null
> +++ b/include/configs/xilinx_zynqmp_mini_qspi.h
> @@ -0,0 +1,22 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * Configuration for Xilinx ZynqMP QSPI Flash utility
> + *
> + * (C) Copyright 2018 Xilinx, Inc.
> + * Michal Simek <michal.simek at xilinx.com>
> + * Siva Durga Prasad Paladugu <sivadur at xilinx.com>
> + */
> +
> +#ifndef __CONFIG_ZYNQMP_MINI_QSPI_H
> +#define __CONFIG_ZYNQMP_MINI_QSPI_H
> +
> +#include <configs/xilinx_zynqmp_mini.h>
> +
> +#define CONFIG_SYS_ICACHE_OFF
> +#define CONFIG_NR_DRAM_BANKS 1
> +#define CONFIG_ENV_SIZE 1400
This is moved to Kconfig now. Look at Vipuls patch
> +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_TEXT_BASE + 0x20000)
> +#define CONFIG_SYS_MALLOC_LEN 0x2000
> +#define CONFIG_MP
We don't want this for this configuration.
Thanks,
Michal
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