board: atmel: Add SAMA5D27 giant board

Giant board is a tiny SBC based on the Adafruit Feather form factor,
created by groboards it contains a SAMA5D2 processor (SAMA5D27),
128 MB of RAM and a microSD card for storage.

Signed-off-by: Greg Gallagher <greg@embeddedgreg.com>

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index a9d36e0..1d4eddd 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -905,7 +905,8 @@ dtb-$(CONFIG_TARGET_SAMA5D2_XPLAINED) += \
        at91-sama5d2_xplained.dtb
 
 dtb-$(CONFIG_TARGET_SAMA5D27_SOM1_EK) += \
-       at91-sama5d27_som1_ek.dtb
+       at91-sama5d27_som1_ek.dtb   \
+       at91-sama5d27_giantboard.dtb
 
 dtb-$(CONFIG_TARGET_SAMA5D27_WLSOM1_EK) += \
        at91-sama5d27_wlsom1_ek.dtb

diff --git a/arch/arm/dts/at91-sama5d27_giantboard.dts b/arch/arm/dts/at91-sama5d27_giantboard.dts
new file mode 100644 (file)
index 0000000..e81ca60
--- /dev/null
+++ b/arch/arm/dts/at91-sama5d27_giantboard.dts
@@ -0,0 +1,128 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * at91-sama5d27_giantboard.dts - Device Tree file for Giant Board
+ *
+ * Copyright (C) 2020 Greg Gallagher <greg@embeddedgreg.com>
+ *
+ * Derived from at91-sama5d27_som1_ek.dts
+ *
+ * Copyright (C) 2017 Microchip Corporation
+ *                   Wenyou Yang <wenyou.yang@microchip.com>
+ */
+/dts-v1/;
+#include "sama5d2.dtsi"
+#include "sama5d2-pinfunc.h"
+
+/ {
+       model = "Giant Board";
+       compatible = "atmel,sama5d27-giantboard", "atmel,sama5d2", "atmel,sama5";
+
+       memory {
+               reg = <0x20000000 0x8000000>;
+       };
+
+       chosen {
+               u-boot,dm-pre-reloc;
+               stdout-path = &uart1;
+       };
+
+       ahb {
+               sdmmc1: sdio-host@b0000000 {
+                       bus-width = <4>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&pinctrl_sdmmc1_cmd_dat_default &pinctrl_sdmmc1_ck_cd_default>;
+                       status = "okay";
+                       u-boot,dm-pre-reloc;
+               };
+
+               apb {
+
+                       uart1: serial@f8020000 {
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&pinctrl_uart1_default>;
+                               status = "okay";
+                               u-boot,dm-pre-reloc;
+                       };
+
+                       i2c0: i2c@f8028000 {
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&pinctrl_i2c0_default>;
+                               status = "okay";
+                       };
+
+                       i2c1: i2c@fc028000 {
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&pinctrl_i2c1_default>;
+                               status = "okay";
+
+                               pmic@5b {
+                                       compatible = "active-semi,act8945a";
+                                       reg = <0x5b>;
+                                       active-semi,vsel-low;
+                                       status = "okay";
+                               };
+                       };
+
+                       pit: timer@f8048030 {
+                               status = "okay";
+                               u-boot,dm-pre-reloc;
+                       };
+
+                       sfr: sfr@f8030000 {
+                               status = "okay";
+                               u-boot,dm-pre-reloc;
+                       };
+
+                       pioA: gpio@fc038000 {
+                               pinctrl {
+
+                                       pinctrl_sdmmc1_cmd_dat_default: sdmmc1_cmd_dat_default {
+                                               pinmux = <PIN_PA28__SDMMC1_CMD>,
+                                                        <PIN_PA18__SDMMC1_DAT0>,
+                                                        <PIN_PA19__SDMMC1_DAT1>,
+                                                        <PIN_PA20__SDMMC1_DAT2>,
+                                                        <PIN_PA21__SDMMC1_DAT3>;
+                                               bias-pull-up;
+                                               u-boot,dm-pre-reloc;
+                                       };
+
+                                       pinctrl_sdmmc1_ck_cd_default: sdmmc1_ck_cd_default {
+                                               pinmux = <PIN_PA22__SDMMC1_CK>,
+                                                        <PIN_PA30__SDMMC1_CD>;
+                                               bias-disable;
+                                               u-boot,dm-pre-reloc;
+                                       };
+
+                                       pinctrl_uart1_default: uart1_default {
+                                               pinmux = <PIN_PD2__URXD1>,
+                                                        <PIN_PD3__UTXD1>;
+                                               bias-disable;
+                                               u-boot,dm-pre-reloc;
+                                       };
+
+                                       pinctrl_i2c0_default: i2c0_default {
+                                               pinmux = <PIN_PD21__TWD0>,
+                                                        <PIN_PD22__TWCK0>;
+                                               bias-disable;
+                                       };
+
+                                       pinctrl_i2c1_default: i2c1_default {
+                                               pinmux = <PIN_PD4__TWD1>,
+                                                        <PIN_PD5__TWCK1>;
+                                               bias-disable;
+                                       };
+
+                                       pinctrl_usb_default: usb_default {
+                                               pinmux = <PIN_PB10__GPIO>;
+                                               bias-disable;
+                                       };
+
+                                       pinctrl_usba_vbus: usba_vbus {
+                                               pinmux = <PIN_PA31__GPIO>;
+                                               bias-disable;
+                                       };
+                               };
+                       };
+               };
+       };
+};

diff --git a/board/atmel/sama5d27_som1_ek/MAINTAINERS b/board/atmel/sama5d27_som1_ek/MAINTAINERS
index f2d2f49..ba2f31e 100644 (file)
--- a/board/atmel/sama5d27_som1_ek/MAINTAINERS
+++ b/board/atmel/sama5d27_som1_ek/MAINTAINERS
@@ -6,3 +6,9 @@ F:      include/configs/sama5d27_som1_ek.h
 F:     configs/sama5d27_som1_ek_mmc_defconfig
 F:     configs/sama5d27_som1_ek_mmc1_defconfig
 F:     configs/sama5d27_som1_ek_qspiflash_defconfig
+
+SAMA5D27 GIANT BOARD
+M:     Greg Gallagher <greg@embeddedgreg.com>
+S:     Maintained
+F:     configs/sama5d27_giantboard_defconfig
+F:     arch/arm/dts/at91-sama5d27_giantboard.dts

diff --git a/configs/sama5d27_giantboard_defconfig b/configs/sama5d27_giantboard_defconfig
new file mode 100644 (file)
index 0000000..4e55a62
--- /dev/null
+++ b/configs/sama5d27_giantboard_defconfig
@@ -0,0 +1,97 @@
+CONFIG_ARM=y
+CONFIG_ARCH_CPU_INIT=y
+CONFIG_ARCH_AT91=y
+CONFIG_CMDLINE=y
+CONFIG_SYS_TEXT_BASE=0x23f00000
+CONFIG_TARGET_SAMA5D27_SOM1_EK=y
+CONFIG_SAMA5D27_GIANTBOARD=y
+CONFIG_SPL_GPIO_SUPPORT=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_SPL_MMC_SUPPORT=y
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_ENV_SIZE=0x4000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_SPL=y
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_BASE=0xf8020000
+CONFIG_DEBUG_UART_CLOCK=82000000
+CONFIG_SPL_FAT_SUPPORT=y
+CONFIG_SPL_FS_FAT=y
+CONFIG_SYS_BOARD="giantboard"
+CONFIG_SYS_BOARD_NAME="giantboard"
+CONFIG_SPL_LIBDISK_SUPPORT=y
+CONFIG_DEBUG_UART=y
+CONFIG_ENV_VARS_UBOOT_CONFIG=y
+CONFIG_FIT=y
+CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2"
+CONFIG_SD_BOOT=y
+CONFIG_BOOTDELAY=3
+CONFIG_USE_BOOTARGS=y
+CONFIG_MISC_INIT_R=y
+CONFIG_BOARD_EARLY_INIT_F=y
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_SPL_TEXT_BASE=0x200000
+CONFIG_SPL_SEPARATE_BSS=y
+CONFIG_HUSH_PARSER=y
+CONFIG_AUTOBOOT_KEYED=y
+CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n"
+CONFIG_AUTOBOOT_STOP_STR=" "
+CONFIG_AUTOBOOT_KEYED_CTRLC=y
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_I2C=y
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_LIBFDT=y
+CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_DEFAULT_DEVICE_TREE="at91-sama5d27_giantboard"
+CONFIG_OF_SPL_REMOVE_PROPS="interrupts interrupt-parent dmas dma-names"
+CONFIG_ENV_IS_IN_FAT=y
+CONFIG_DM=y
+CONFIG_SPL_DM=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_CLK=y
+CONFIG_SPL_CLK=y
+CONFIG_CLK_AT91=y
+CONFIG_AT91_UTMI=y
+CONFIG_AT91_H32MX=y
+CONFIG_AT91_GENERIC_CLK=y
+CONFIG_DM_GPIO=y
+CONFIG_ATMEL_PIO4=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_AT91=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_ATMEL=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+# CONFIG_NET is not set
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_PINCTRL_AT91PIO4=y
+CONFIG_DM_SERIAL=y
+CONFIG_DEBUG_UART_ATMEL=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_ATMEL_USART=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_TIMER=y
+CONFIG_SPL_TIMER=y
+CONFIG_ATMEL_PIT_TIMER=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_ATMEL_USBA=y