[U-Boot] [Patch V2 3/4] arm: da850-evm: Enable MTD Parts

Adam Ford aford173 at gmail.com
Fri Sep 1 16:11:58 UTC 2017


There is a discrepency between U-Boot and Linux on the partition map.
This enabes the MTD parts to pass MTD partition information from U-Boot to
Linux.  Linux already has a pending patch to enable MTD PARTS in
davinci_all_defconfig

Signed-off-by: Adam Ford <aford173 at gmail.com>

V2:  This patch is new to the series
---
 configs/da850evm_defconfig |  2 ++
 include/configs/da850evm.h | 16 ++++++++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/configs/da850evm_defconfig b/configs/da850evm_defconfig
index 652da01..08cc2e8 100644
--- a/configs/da850evm_defconfig
+++ b/configs/da850evm_defconfig
@@ -33,6 +33,7 @@ CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_CMD_MTDPARTS=y
 CONFIG_CMD_DIAG=y
 CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
@@ -41,6 +42,7 @@ CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_SPI_FLASH_MTD=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
 CONFIG_DM_SPI=y
diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h
index b147bc5..a47ba96 100644
--- a/include/configs/da850evm.h
+++ b/include/configs/da850evm.h
@@ -139,7 +139,6 @@
 /*
  * Serial Driver info
  */
-
 #ifdef CONFIG_SPL_BUILD
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	-4	/* NS16550 register size */
@@ -148,6 +147,9 @@
 #define CONFIG_SYS_NS16550_CLK	clk_get(DAVINCI_UART2_CLKID)
 #define CONFIG_CONS_INDEX	1		/* use UART0 for console */
 
+/*
+ * SPI Driver Info
+ */
 #define CONFIG_SPI
 #define CONFIG_DAVINCI_SPI
 #define CONFIG_SYS_SPI_CLK		clk_get(DAVINCI_SPI1_CLKID)
@@ -156,11 +158,21 @@
 #define CONFIG_SF_DEFAULT_SPEED		30000000
 #define CONFIG_ENV_SPI_MAX_HZ	CONFIG_SF_DEFAULT_SPEED
 #endif
-
 #ifdef CONFIG_USE_SPIFLASH
 #define CONFIG_SPL_SPI_LOAD
 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x8000
 #define CONFIG_SYS_SPI_U_BOOT_SIZE	0x40000
+#ifdef CONFIG_SPL_BUILD
+#undef CONFIG_SPI_FLASH_MTD
+#endif
+#define CONFIG_MTD_DEVICE		/* needed for mtdparts commands */
+#define CONFIG_MTD_PARTITIONS		/* required for UBI partition support */
+#define MTDIDS_DEFAULT			"nor0=spi0.0"
+#define MTDPARTS_DEFAULT		"mtdparts=spi0.0:"\
+						"512k(u-boot.ais),"\
+						"64k(u-boot-env),"\
+						"7552k(kernel-spare),"\
+						"64k(MAC-Address)"
 #endif
 
 /*
-- 
2.7.4



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