From patchwork Wed Feb 26 10:38:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Simek X-Patchwork-Id: 236860 List-Id: U-Boot discussion From: michal.simek at xilinx.com (Michal Simek) Date: Wed, 26 Feb 2020 11:38:43 +0100 Subject: [PATCH v2 4/4] ARM: zynq: Enable DM for CFI NOR flash In-Reply-To: References: Message-ID: With multi defconfig NOR flash information about NOR should be taken from DT that's why there is no reason to specify address and sizes via fixed config. Signed-off-by: Michal Simek --- Changes in v2: - Add missing zynq cse nor conversion arch/arm/dts/zynq-cse-nor.dts | 14 ++++++++++++++ configs/xilinx_zynq_virt_defconfig | 1 + configs/zynq_cse_nor_defconfig | 3 +++ include/configs/zynq-common.h | 2 -- 4 files changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/arm/dts/zynq-cse-nor.dts b/arch/arm/dts/zynq-cse-nor.dts index 4030851eb36d..197fbd717aae 100644 --- a/arch/arm/dts/zynq-cse-nor.dts +++ b/arch/arm/dts/zynq-cse-nor.dts @@ -71,6 +71,20 @@ reg = <0x100 0x100>; }; }; + + /* + * This is partially hack because it is normally subnode of smcc + * but for mini U-Boot there is no reason to enable SMCC driver + * which does almost nothing in NOR flash configuration that's + * why place cfi-flash directly here. + */ + flash at e2000000 { + u-boot,dm-pre-reloc; + compatible = "cfi-flash"; + reg = <0xe2000000 0x2000000>; + #address-cells = <1>; + #size-cells = <1>; + }; }; }; diff --git a/configs/xilinx_zynq_virt_defconfig b/configs/xilinx_zynq_virt_defconfig index 2e9f3a0f7508..08b43de103a1 100644 --- a/configs/xilinx_zynq_virt_defconfig +++ b/configs/xilinx_zynq_virt_defconfig @@ -61,6 +61,7 @@ CONFIG_MMC_SDHCI_ZYNQ=y CONFIG_MTD=y CONFIG_MTD_NOR_FLASH=y CONFIG_FLASH_CFI_DRIVER=y +CONFIG_CFI_FLASH=y CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y CONFIG_SYS_FLASH_CFI=y CONFIG_MTD_RAW_NAND=y diff --git a/configs/zynq_cse_nor_defconfig b/configs/zynq_cse_nor_defconfig index e2b9454c15c8..3b4e2f93fa30 100644 --- a/configs/zynq_cse_nor_defconfig +++ b/configs/zynq_cse_nor_defconfig @@ -52,8 +52,11 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y # CONFIG_DM_DEVICE_REMOVE is not set CONFIG_SPL_DM_SEQ_ALIAS=y # CONFIG_MMC is not set +CONFIG_MTD=y +CONFIG_DM_MTD=y CONFIG_MTD_NOR_FLASH=y CONFIG_FLASH_CFI_DRIVER=y +CONFIG_CFI_FLASH=y CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y CONFIG_SYS_FLASH_CFI=y # CONFIG_EFI_LOADER is not set diff --git a/include/configs/zynq-common.h b/include/configs/zynq-common.h index 33fac35f6e32..1eaf65b0a2a1 100644 --- a/include/configs/zynq-common.h +++ b/include/configs/zynq-common.h @@ -43,8 +43,6 @@ /* NOR */ #ifdef CONFIG_MTD_NOR_FLASH -# define CONFIG_SYS_FLASH_BASE 0xE2000000 -# define CONFIG_SYS_FLASH_SIZE (16 * 1024 * 1024) # define CONFIG_SYS_MAX_FLASH_BANKS 1 # define CONFIG_SYS_MAX_FLASH_SECT 512 # define CONFIG_SYS_FLASH_ERASE_TOUT 1000