From 9eed1ca15b84202e1edf086ebe8c3584d711ed2e Mon Sep 17 00:00:00 2001 From: Adam Ford Date: Mon, 24 Jun 2019 11:57:25 -0500 Subject: [PATCH] ARM: am3517-evm: Migrate to SPL_OF_CONTROL Like the other Logic PD OMAP35/DM37 boards, this board has device tree enabled for U-Boot. This patch converts the board to enable SPL_OF_CONTROL and further shrinks the device tree in SPL to limit it to UART3 (console), MMC1, i2c1, and GPIO4 (for mmc1 CD and WP). There appears to be a bug in minicom so users may need to switch the minicom terminal emulation to ANSI from VT102 due to the junk that gets pushed out of the UART on startup. Signed-off-by: Adam Ford --- arch/arm/dts/am3517-evm-u-boot.dtsi | 36 ++++++++++++++++++++++------- configs/am3517_evm_defconfig | 17 +++++++++++--- 2 files changed, 42 insertions(+), 11 deletions(-) diff --git a/arch/arm/dts/am3517-evm-u-boot.dtsi b/arch/arm/dts/am3517-evm-u-boot.dtsi index 59df819f9d..d5a4ce97d1 100644 --- a/arch/arm/dts/am3517-evm-u-boot.dtsi +++ b/arch/arm/dts/am3517-evm-u-boot.dtsi @@ -4,20 +4,40 @@ * Logic PD - http://www.logicpd.com */ +#include "omap3-u-boot.dtsi" + / { - chosen { - stdout-path = &uart3; + aliases { + /delete-property/ serial0; + /delete-property/ serial1; + }; + + ocp@68000000 { + /delete-node/ bandgap@48002524; }; }; -&uart1 { - reg-shift = <2>; +&gpio1 { + /delete-property/ u-boot,dm-spl; }; -&uart2 { - reg-shift = <2>; +&gpio2 { + /delete-property/ u-boot,dm-spl; }; -&uart3 { - reg-shift = <2>; +&gpio3 { + /delete-property/ u-boot,dm-spl; }; + +&gpio5 { + /delete-property/ u-boot,dm-spl; +}; + +&gpio6 { + /delete-property/ u-boot,dm-spl; +}; + +/delete-node/ &uart1; +/delete-node/ &uart2; +/delete-node/ &mmc2; +/delete-node/ &mmc3; diff --git a/configs/am3517_evm_defconfig b/configs/am3517_evm_defconfig index 9390035160..932f9de3b2 100644 --- a/configs/am3517_evm_defconfig +++ b/configs/am3517_evm_defconfig @@ -1,11 +1,15 @@ CONFIG_ARM=y +# CONFIG_SPL_USE_ARCH_MEMCPY is not set +# CONFIG_TPL_USE_ARCH_MEMCPY is not set +# CONFIG_SPL_USE_ARCH_MEMSET is not set +# CONFIG_TPL_USE_ARCH_MEMSET is not set CONFIG_ARCH_OMAP2PLUS=y CONFIG_SYS_TEXT_BASE=0x80100000 CONFIG_TI_COMMON_CMD_OPTIONS=y -# CONFIG_SPL_GPIO_SUPPORT is not set -CONFIG_SYS_MALLOC_F_LEN=0x2000 +CONFIG_SYS_MALLOC_F_LEN=0x4000 CONFIG_TARGET_AM3517_EVM=y CONFIG_EMIF4=y +CONFIG_SPL_SYS_MALLOC_F_LEN=0x3000 CONFIG_NR_DRAM_BANKS=2 CONFIG_SPL=y CONFIG_DISTRO_DEFAULTS=y @@ -14,7 +18,10 @@ CONFIG_BOOTDELAY=10 CONFIG_VERSION_VARIABLE=y CONFIG_SPL_TEXT_BASE=0x40200000 CONFIG_SPL_SYS_MALLOC_SIMPLE=y +CONFIG_SPL_SEPARATE_BSS=y +# CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR is not set # CONFIG_SPL_FS_EXT4 is not set +# CONFIG_SPL_I2C_SUPPORT is not set CONFIG_SPL_MTD_SUPPORT=y CONFIG_SPL_OS_BOOT=y # CONFIG_SPL_POWER_SUPPORT is not set @@ -35,9 +42,13 @@ CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0" CONFIG_MTDPARTS_DEFAULT="mtdparts=omap2-nand.0:512k(MLO),1920k(u-boot),256k(u-boot-env),8m(kernel),512k(dtb),-(rootfs)" CONFIG_CMD_UBI=y CONFIG_OF_CONTROL=y +CONFIG_SPL_OF_CONTROL=y CONFIG_DEFAULT_DEVICE_TREE="am3517-evm" # CONFIG_ENV_IS_IN_FAT is not set CONFIG_ENV_IS_IN_NAND=y +CONFIG_SPL_DM=y +CONFIG_SPL_DM_SEQ_ALIAS=y +CONFIG_SPL_OF_TRANSLATE=y CONFIG_DM_PCA953X=y CONFIG_MMC_OMAP_HS=y CONFIG_NAND=y @@ -56,7 +67,6 @@ CONFIG_DM_REGULATOR=y CONFIG_DM_REGULATOR_FIXED=y CONFIG_DM_REGULATOR_GPIO=y # CONFIG_TWL4030_POWER is not set -CONFIG_CONS_INDEX=3 CONFIG_SPI=y CONFIG_DM_SPI=y CONFIG_OMAP3_SPI=y @@ -66,3 +76,4 @@ CONFIG_USB_EHCI_HCD=y CONFIG_USB_MUSB_HOST=y CONFIG_USB_MUSB_AM35X=y CONFIG_BCH=y +CONFIG_SPL_TINY_MEMSET=y