board: atmel: Add SAMA5D27 SOM1 EK board

The SAMA5D27-SiP (System in Package) integrates the SAMA5D2
with 1Gbit DDR2-SDRAM in a single package.

The SAMA5D27 SOM1 embeds a 64Mbit QSPI flash, KSZ8081 Phy and
Mac-address EEPROM.

Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/arm/dts/Makefile

@@ -420,6 +420,9 @@ dtb-$(CONFIG_TARGET_OMAP3_LOGIC) += \
 dtb-$(CONFIG_TARGET_SAMA5D2_XPLAINED) += \
 	at91-sama5d2_xplained.dtb
 
+dtb-$(CONFIG_TARGET_SAMA5D27_SOM1_EK) += \
+	at91-sama5d27_som1_ek.dtb
+
 dtb-$(CONFIG_TARGET_SAMA5D3XEK) += \
 	sama5d31ek.dtb \
 	sama5d33ek.dtb \

arch/arm/dts/at91-sama5d27_som1_ek.dts

@@ -0,0 +1,215 @@
+/*
+ * at91-sama5d27_som1_ek.dts - Device Tree file for SAMA5D27 SOM1 EK board
+ *
+ *  Copyright (C) 2017 Microchip Corporation
+ *                     Wenyou Yang <wenyou.yang@microchip.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+/dts-v1/;
+#include "sama5d27_som1.dtsi"
+
+/ {
+	model = "Atmel SAMA5D27 SOM1 EK";
+	compatible = "atmel,sama5d27-som1-ek", "atmel,sama5d2", "atmel,sama5";
+
+	chosen {
+		u-boot,dm-pre-reloc;
+		stdout-path = &uart1;
+	};
+
+	ahb {
+		usb1: ohci@00400000 {
+			num-ports = <3>;
+			atmel,vbus-gpio = <&pioA 42 0>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb_default>;
+			status = "okay";
+		};
+
+		usb2: ehci@00500000 {
+			status = "okay";
+		};
+
+		sdmmc0: sdio-host@a0000000 {
+			bus-width = <8>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_sdmmc0_cmd_dat_default &pinctrl_sdmmc0_ck_cd_default>;
+			status = "okay";
+			u-boot,dm-pre-reloc;
+		};
+
+		sdmmc1: sdio-host@b0000000 {
+			bus-width = <4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_sdmmc1_cmd_dat_default &pinctrl_sdmmc1_ck_cd_default>;
+			status = "okay"; /* conflict with qspi0 */
+			u-boot,dm-pre-reloc;
+		};
+
+		apb {
+			hlcdc: hlcdc@f0000000 {
+				atmel,vl-bpix = <4>;
+				atmel,guard-time = <1>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_pwm &pinctrl_lcd_rgb666>;
+				status = "okay";
+				u-boot,dm-pre-reloc;
+
+				display-timings {
+					u-boot,dm-pre-reloc;
+					480x272 {
+						clock-frequency = <9000000>;
+						hactive = <480>;
+						vactive = <272>;
+						hsync-len = <41>;
+						hfront-porch = <2>;
+						hback-porch = <2>;
+						vfront-porch = <2>;
+						vback-porch = <2>;
+						vsync-len = <11>;
+						u-boot,dm-pre-reloc;
+					};
+				};
+			};
+
+			uart1: serial@f8020000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_uart1_default>;
+				status = "okay";
+				u-boot,dm-pre-reloc;
+			};
+
+			pioA: gpio@fc038000 {
+				pinctrl {
+					pinctrl_lcd_base: pinctrl_lcd_base {
+						pinmux = <PIN_PC5__LCDVSYNC>,
+							 <PIN_PC6__LCDHSYNC>,
+							 <PIN_PC8__LCDDEN>,
+							 <PIN_PC7__LCDPCK>;
+						bias-disable;
+					};
+
+					pinctrl_lcd_pwm: pinctrl_lcd_pwm {
+						pinmux = <PIN_PC3__LCDPWM>;
+						bias-disable;
+					};
+
+					pinctrl_lcd_rgb666: pinctrl_lcd_rgb666 {
+						pinmux = <PIN_PB13__LCDDAT2>,
+							 <PIN_PB14__LCDDAT3>,
+							 <PIN_PB15__LCDDAT4>,
+							 <PIN_PB16__LCDDAT5>,
+							 <PIN_PB17__LCDDAT6>,
+							 <PIN_PB18__LCDDAT7>,
+							 <PIN_PB21__LCDDAT10>,
+							 <PIN_PB22__LCDDAT11>,
+							 <PIN_PB23__LCDDAT12>,
+							 <PIN_PB24__LCDDAT13>,
+							 <PIN_PB25__LCDDAT14>,
+							 <PIN_PB26__LCDDAT15>,
+							 <PIN_PB29__LCDDAT18>,
+							 <PIN_PB30__LCDDAT19>,
+							 <PIN_PB31__LCDDAT20>,
+							 <PIN_PC0__LCDDAT21>,
+							 <PIN_PC1__LCDDAT22>,
+							 <PIN_PC2__LCDDAT23>;
+						bias-disable;
+					};
+
+					pinctrl_sdmmc0_cmd_dat_default: sdmmc0_cmd_dat_default {
+						pinmux = <PIN_PA1__SDMMC0_CMD>,
+							 <PIN_PA2__SDMMC0_DAT0>,
+							 <PIN_PA3__SDMMC0_DAT1>,
+							 <PIN_PA4__SDMMC0_DAT2>,
+							 <PIN_PA5__SDMMC0_DAT3>,
+							 <PIN_PA6__SDMMC0_DAT4>,
+							 <PIN_PA7__SDMMC0_DAT5>,
+							 <PIN_PA8__SDMMC0_DAT6>,
+							 <PIN_PA9__SDMMC0_DAT7>;
+						bias-pull-up;
+						u-boot,dm-pre-reloc;
+					};
+
+					pinctrl_sdmmc0_ck_cd_default: sdmmc0_ck_cd_default {
+						pinmux = <PIN_PA0__SDMMC0_CK>,
+							 <PIN_PA10__SDMMC0_RSTN>,
+							 <PIN_PA13__SDMMC0_CD>;
+						bias-disable;
+						u-boot,dm-pre-reloc;
+					};
+
+					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_usb_default: usb_default {
+						pinmux = <PIN_PB10__GPIO>;
+						bias-disable;
+					};
+
+					pinctrl_usba_vbus: usba_vbus {
+						pinmux = <PIN_PA31__GPIO>;
+						bias-disable;
+					};
+				};
+			};
+		};
+	};
+};

arch/arm/dts/sama5d2.dtsi

@@ -505,11 +505,13 @@
 					qspi0_clk: qspi0_clk@52 {
 						#clock-cells = <0>;
 						reg = <52>;
+						u-boot,dm-pre-reloc;
 					};
 
 					qspi1_clk: qspi1_clk@53 {
 						#clock-cells = <0>;
 						reg = <53>;
+						u-boot,dm-pre-reloc;
 					};
 				};
 
@@ -596,6 +598,16 @@
 				status = "disabled";
 			};
 
+			qspi1: spi@f0024000 {
+				compatible = "atmel,sama5d2-qspi";
+				reg = <0xf0024000 0x100>, <0xd8000000 0x08000000>;
+				reg-names = "qspi_base", "qspi_mmap";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				clocks = <&qspi1_clk>;
+				status = "disabled";
+			};
+
 			spi0: spi@f8000000 {
 				compatible = "atmel,at91rm9200-spi";
 				reg = <0xf8000000 0x100>;
@@ -700,6 +712,14 @@
 				status = "disabled";
 			};
 
+			uart3: serial@fc008000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfc008000 0x100>;
+				clocks = <&uart3_clk>;
+				clock-names = "usart";
+				status = "disabled";
+			};
+
 			i2c1: i2c@fc028000 {
 				compatible = "atmel,sama5d2-i2c";
 				reg = <0xfc028000 0x100>;

arch/arm/dts/sama5d27_som1.dtsi

@@ -0,0 +1,159 @@
+/*
+ * sama5d27_som1.dtsi - Device Tree file for SAMA5D27 SOM1
+ *
+ *  Copyright (C) 2017 Microchip Corporation
+ *                     Wenyou Yang <wenyou.yang@microchip.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "sama5d2.dtsi"
+#include "sama5d2-pinfunc.h"
+/ {
+	model = "Atmel SAMA5D27 SOM1 EK";
+	compatible = "atmel,sama5d27-som1-ek", "atmel,sama5d2", "atmel,sama5";
+
+	memory {
+		reg = <0x20000000 0x8000000>;
+	};
+
+	aliases {
+		spi0 = &qspi1;
+		u-boot,dm-pre-reloc;
+	};
+
+	ahb {
+		apb {
+			qspi1: spi@f0024000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_qspi1_sck_cs_default &pinctrl_qspi1_dat_default>;
+				status = "okay";
+				u-boot,dm-pre-reloc;
+
+				spi_flash@0 {
+					compatible = "spi-flash";
+					reg = <0>;
+					spi-max-frequency = <50000000>;
+					spi-rx-bus-width = <4>;
+					spi-tx-bus-width = <4>;
+					u-boot,dm-pre-reloc;
+				};
+			};
+
+			macb0: ethernet@f8008000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_macb0_rmii &pinctrl_macb0_phy_irq>;
+				phy-mode = "rmii";
+				status = "okay";
+
+				ethernet-phy@1 {
+					reg = <0x1>;
+				};
+			};
+
+			i2c0: i2c@f8028000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_i2c0_default>;
+				status = "okay";
+
+				i2c_eeprom: i2c_eeprom@50 {
+					compatible = "microchip,24aa02e48";
+					reg = <0x50>;
+				};
+			};
+
+			i2c1: i2c@fc028000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_i2c1_default>;
+				status = "okay";
+			};
+
+			pioA: gpio@fc038000 {
+				pinctrl {
+					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_macb0_phy_irq: macb0_phy_irq {
+						pinmux = <PIN_PD31__GPIO>;
+						bias-disable;
+					};
+
+					pinctrl_macb0_rmii: macb0_rmii {
+						pinmux = <PIN_PD9__GTXCK>,
+							 <PIN_PD10__GTXEN>,
+							 <PIN_PD11__GRXDV>,
+							 <PIN_PD12__GRXER>,
+							 <PIN_PD13__GRX0>,
+							 <PIN_PD14__GRX1>,
+							 <PIN_PD15__GTX0>,
+							 <PIN_PD16__GTX1>,
+							 <PIN_PD17__GMDC>,
+							 <PIN_PD18__GMDIO>;
+						bias-disable;
+					};
+
+					pinctrl_qspi1_sck_cs_default: qspi1_sck_cs_default {
+						pinmux = <PIN_PB5__QSPI1_SCK>,
+							 <PIN_PB6__QSPI1_CS>;
+						bias-disable;
+						u-boot,dm-pre-reloc;
+					};
+
+					pinctrl_qspi1_dat_default: qspi1_dat_default {
+						pinmux = <PIN_PB7__QSPI1_IO0>,
+							 <PIN_PB8__QSPI1_IO1>,
+							 <PIN_PB9__QSPI1_IO2>,
+							 <PIN_PB10__QSPI1_IO3>;
+						bias-pull-up;
+						u-boot,dm-pre-reloc;
+					};
+				};
+			};
+		};
+	};
+};

arch/arm/mach-at91/Kconfig

@@ -99,6 +99,19 @@ config TARGET_SAMA5D2_XPLAINED
 	select SUPPORT_SPL
 	select BOARD_EARLY_INIT_F
 
+config TARGET_SAMA5D27_SOM1_EK
+	bool "SAMA5D27 SOM1 EK board"
+	select CPU_V7
+	select SUPPORT_SPL
+	select BOARD_EARLY_INIT_F
+	select BOARD_LATE_INIT
+	help
+	  The SAMA5D27 SOM1 embeds SAMA5D2 SiP(System in Package),
+	  a 64Mbit QSPI flash, KSZ8081 Phy and a Mac-address EEPROM
+	  24AA02E48. The SAMA5D2 SiP integrates the ARM Cortex-A5
+	  processor-based SAMA5D2 MPU with up to 1 Gbit DDR2-SDRAM
+	  in a single package.
+
 config TARGET_SAMA5D3_XPLAINED
 	bool "SAMA5D3 Xplained board"
 	select CPU_V7
@@ -181,6 +194,7 @@ source "board/atmel/at91sam9rlek/Kconfig"
 source "board/atmel/at91sam9x5ek/Kconfig"
 source "board/atmel/sama5d2_ptc/Kconfig"
 source "board/atmel/sama5d2_xplained/Kconfig"
+source "board/atmel/sama5d27_som1_ek/Kconfig"
 source "board/atmel/sama5d3_xplained/Kconfig"
 source "board/atmel/sama5d3xek/Kconfig"
 source "board/atmel/sama5d4_xplained/Kconfig"

board/atmel/sama5d27_som1_ek/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_SAMA5D27_SOM1_EK
+
+config SYS_BOARD
+	default "sama5d27_som1_ek"
+
+config SYS_VENDOR
+	default "atmel"
+
+config SYS_SOC
+	default "at91"
+
+config SYS_CONFIG_NAME
+	default "sama5d27_som1_ek"
+
+endif

board/atmel/sama5d27_som1_ek/MAINTAINERS

@@ -0,0 +1,6 @@
+SAMA5D27 SOM1 EK BOARD
+M:	Wenyou Yang <wenyou.yang@microchip.com>
+S:	Maintained
+F:	board/atmel/sama5d27_som1_ek/
+F:	include/configs/sama5d27_som1_ek.h
+F:	configs/sama5d27_som1_ek_mmc_defconfig

board/atmel/sama5d27_som1_ek/Makefile

@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2017 Microchip Corporation
+#		     Wenyou Yang <wenyou.yang@microchip.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y += sama5d27_som1_ek.o

board/atmel/sama5d27_som1_ek/sama5d27_som1_ek.c

@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2017 Microchip Corporation
+ *		      Wenyou.Yang <wenyou.yang@microchip.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <asm/io.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/atmel_pio4.h>
+#include <asm/arch/atmel_mpddrc.h>
+#include <asm/arch/atmel_sdhci.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/sama5d2.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void board_usb_hw_init(void)
+{
+	atmel_pio4_set_pio_output(AT91_PIO_PORTB, 10, 1);
+}
+
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+#ifdef CONFIG_DM_VIDEO
+	at91_video_show_board_info();
+#endif
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+static void board_uart1_hw_init(void)
+{
+	atmel_pio4_set_a_periph(AT91_PIO_PORTD, 2, 1);	/* URXD1 */
+	atmel_pio4_set_a_periph(AT91_PIO_PORTD, 3, 0);	/* UTXD1 */
+
+	at91_periph_clk_enable(ATMEL_ID_UART1);
+}
+
+void board_debug_uart_init(void)
+{
+	board_uart1_hw_init();
+}
+#endif
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+#ifdef CONFIG_DEBUG_UART
+	debug_uart_init();
+#endif
+
+	return 0;
+}
+#endif
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_CMD_USB
+	board_usb_hw_init();
+#endif
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+				    CONFIG_SYS_SDRAM_SIZE);
+	return 0;
+}
+
+#define MAC24AA_MAC_OFFSET	0xfa
+
+#ifdef CONFIG_MISC_INIT_R
+int misc_init_r(void)
+{
+#ifdef CONFIG_I2C_EEPROM
+	at91_set_ethaddr(MAC24AA_MAC_OFFSET);
+#endif
+	return 0;
+}
+#endif
+
+/* SPL */
+#ifdef CONFIG_SPL_BUILD
+void spl_board_init(void)
+{
+}
+
+static void ddrc_conf(struct atmel_mpddrc_config *ddrc)
+{
+	ddrc->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
+
+	ddrc->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
+		    ATMEL_MPDDRC_CR_NR_ROW_13 |
+		    ATMEL_MPDDRC_CR_CAS_DDR_CAS3 |
+		    ATMEL_MPDDRC_CR_DIC_DS |
+		    ATMEL_MPDDRC_CR_ZQ_LONG |
+		    ATMEL_MPDDRC_CR_NB_8BANKS |
+		    ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
+		    ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
+
+	ddrc->rtr = 0x511;
+
+	ddrc->tpr0 = ((7 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET) |
+		      (3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET) |
+		      (3 << ATMEL_MPDDRC_TPR0_TWR_OFFSET) |
+		      (9 << ATMEL_MPDDRC_TPR0_TRC_OFFSET) |
+		      (3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET) |
+		      (4 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET) |
+		      (4 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET) |
+		      (2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET));
+
+	ddrc->tpr1 = ((22 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET) |
+		      (23 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET) |
+		      (200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET) |
+		      (3 << ATMEL_MPDDRC_TPR1_TXP_OFFSET));
+
+	ddrc->tpr2 = ((2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET) |
+		      (8 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET) |
+		      (4 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET) |
+		      (4 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET) |
+		      (8 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET));
+}
+
+void mem_init(void)
+{
+	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+	struct atmel_mpddr *mpddrc = (struct atmel_mpddr *)ATMEL_BASE_MPDDRC;
+	struct atmel_mpddrc_config ddrc_config;
+	u32 reg;
+
+	ddrc_conf(&ddrc_config);
+
+	at91_periph_clk_enable(ATMEL_ID_MPDDRC);
+	writel(AT91_PMC_DDR, &pmc->scer);
+
+	reg = readl(&mpddrc->io_calibr);
+	reg &= ~ATMEL_MPDDRC_IO_CALIBR_RDIV;
+	reg |= ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55;
+	reg &= ~ATMEL_MPDDRC_IO_CALIBR_TZQIO;
+	reg |= ATMEL_MPDDRC_IO_CALIBR_TZQIO_(101);
+	writel(reg, &mpddrc->io_calibr);
+
+	writel(ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_ONE_CYCLE,
+	       &mpddrc->rd_data_path);
+
+	ddr3_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddrc_config);
+
+	writel(0x3, &mpddrc->cal_mr4);
+	writel(64, &mpddrc->tim_cal);
+}
+
+void at91_pmc_init(void)
+{
+	u32 tmp;
+
+	/*
+	 * while coming from the ROM code, we run on PLLA @ 492 MHz / 164 MHz
+	 * so we need to slow down and configure MCKR accordingly.
+	 * This is why we have a special flavor of the switching function.
+	 */
+	tmp = AT91_PMC_MCKR_PLLADIV_2 |
+	      AT91_PMC_MCKR_MDIV_3 |
+	      AT91_PMC_MCKR_CSS_MAIN;
+	at91_mck_init_down(tmp);
+
+	tmp = AT91_PMC_PLLAR_29 |
+	      AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
+	      AT91_PMC_PLLXR_MUL(40) |
+	      AT91_PMC_PLLXR_DIV(1);
+	at91_plla_init(tmp);
+
+	tmp = AT91_PMC_MCKR_H32MXDIV |
+	      AT91_PMC_MCKR_PLLADIV_2 |
+	      AT91_PMC_MCKR_MDIV_3 |
+	      AT91_PMC_MCKR_CSS_PLLA;
+	at91_mck_init(tmp);
+}
+#endif

configs/sama5d27_som1_ek_mmc_defconfig

@@ -0,0 +1,88 @@
+CONFIG_ARM=y
+CONFIG_ARCH_AT91=y
+CONFIG_TARGET_SAMA5D27_SOM1_EK=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_SPL_LIBDISK_SUPPORT=y
+CONFIG_SPL_FAT_SUPPORT=y
+CONFIG_DEFAULT_DEVICE_TREE="at91-sama5d27_som1_ek"
+CONFIG_DEBUG_UART=y
+CONFIG_FIT=y
+CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2"
+CONFIG_SD_BOOT=y
+CONFIG_BOOTDELAY=3
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_SPL=y
+CONFIG_SPL_SEPARATE_BSS=y
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_CMD_I2C=y
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+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_I2C_EEPROM=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_ATMEL=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_SPI_FLASH_SST=y
+CONFIG_DM_ETH=y
+CONFIG_MACB=y
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_PINCTRL_AT91PIO4=y
+CONFIG_DM_SERIAL=y
+CONFIG_DEBUG_UART_ATMEL=y
+CONFIG_DEBUG_UART_BASE=0xf8020000
+CONFIG_DEBUG_UART_CLOCK=82000000
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_ATMEL_USART=y
+CONFIG_DM_SPI=y
+CONFIG_ATMEL_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
+CONFIG_DM_VIDEO=y
+CONFIG_ATMEL_HLCD=y

include/configs/sama5d27_som1_ek.h

@@ -0,0 +1,92 @@
+/*
+ * Configuration file for the SAMA5D27 SOM1 EK Board.
+ *
+ * Copyright (C) 2017 Microchip Corporation
+ *		      Wenyou Yang <wenyou.yang@microchip.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include "at91-sama5_common.h"
+
+#undef CONFIG_SYS_TEXT_BASE
+#undef CONFIG_SYS_AT91_MAIN_CLOCK
+#define CONFIG_SYS_TEXT_BASE		0x23f00000
+#define CONFIG_SYS_AT91_MAIN_CLOCK      24000000 /* from 24 MHz crystal */
+
+#define CONFIG_MISC_INIT_R
+
+/* SDRAM */
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_SYS_SDRAM_BASE		0x20000000
+#define CONFIG_SYS_SDRAM_SIZE		0x8000000
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_INIT_SP_ADDR		0x218000
+#else
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
+#endif
+
+#define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
+
+/* NAND flash */
+#undef CONFIG_CMD_NAND
+
+/* SPI flash */
+#define CONFIG_SF_DEFAULT_SPEED		66000000
+
+#undef CONFIG_BOOTCOMMAND
+#ifdef CONFIG_SD_BOOT
+/* u-boot env in sd/mmc card */
+#define FAT_ENV_INTERFACE	"mmc"
+#define FAT_ENV_DEVICE_AND_PART	"0"
+#define FAT_ENV_FILE		"uboot.env"
+#define CONFIG_ENV_SIZE		0x4000
+/* bootstrap + u-boot + env in sd card */
+#define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91-sama5d27_som1_ek.dtb; " \
+				"fatload mmc 0:1 0x22000000 zImage; " \
+				"bootz 0x22000000 - 0x21000000"
+#undef CONFIG_BOOTARGS
+#define CONFIG_BOOTARGS \
+	"console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait"
+#endif
+
+#ifdef CONFIG_QSPI_BOOT
+#define CONFIG_ENV_OFFSET		0xb0000
+#define CONFIG_ENV_SIZE			0x10000
+#define CONFIG_ENV_SECT_SIZE		0x10000
+#define CONFIG_BOOTCOMMAND		"sf probe 0; "				\
+					"sf read 0x21000000 0xc0000 0x20000; "	\
+					"sf read 0x22000000 0xe0000 0x400000; "	\
+					"bootz 0x22000000 - 0x21000000"
+#undef CONFIG_BOOTARGS
+#define CONFIG_BOOTARGS \
+	"console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait"
+#endif
+
+/* SPL */
+#define CONFIG_SPL_FRAMEWORK
+#define CONFIG_SPL_TEXT_BASE		0x200000
+#define CONFIG_SPL_MAX_SIZE		0x10000
+#define CONFIG_SPL_BSS_START_ADDR	0x20000000
+#define CONFIG_SPL_BSS_MAX_SIZE		0x80000
+#define CONFIG_SYS_SPL_MALLOC_START	0x20080000
+#define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
+
+#define CONFIG_SYS_MONITOR_LEN		(512 << 10)
+
+#ifdef CONFIG_SD_BOOT
+#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
+#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
+#endif
+
+#ifdef CONFIG_QSPI_BOOT
+#define CONFIG_SPL_SPI_LOAD
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	0x10000
+#endif
+
+#endif