[v2,4/4] ARM: zynq: Enable DM for CFI NOR flash
diff mbox series

Message ID feaaff708a11c066dbda847031d7450165c000d0.1582713521.git.michal.simek@xilinx.com
State New
Delegated to: Jagannadha Sutradharudu Teki
Headers show
Series
  • ARM: zynq: Switch to CFI DM driver
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Commit Message

Michal Simek Feb. 26, 2020, 10:38 a.m. UTC
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 <michal.simek@xilinx.com>
---

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(-)

Patch
diff mbox series

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@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