ARM: Add Support for the VInCo platform

The Versatile Industrial Communication platform is a community oriented
board from Landis + Gyr. It comes with:
- an RS-485 port
- 2 Ethernet ports
- a wireless M-BUS
- a 4G modem
- a 4MB SPI flash
- a 4GB eMMC

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
[rebase on current TOT]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>

arch/arm/mach-at91/Kconfig

@@ -120,6 +120,11 @@ config TARGET_SMARTWEB
 	select CPU_ARM926EJS
 	select SUPPORT_SPL
 
+config TARGET_VINCO
+	bool "Support VINCO"
+	select CPU_V7
+	select SUPPORT_SPL
+
 endchoice
 
 config SYS_SOC
@@ -143,6 +148,7 @@ source "board/calao/usb_a9263/Kconfig"
 source "board/denx/ma5d4evk/Kconfig"
 source "board/egnite/ethernut5/Kconfig"
 source "board/esd/meesc/Kconfig"
+source "board/l+g/vinco/Kconfig"
 source "board/mini-box/picosam9g45/Kconfig"
 source "board/ronetix/pm9261/Kconfig"
 source "board/ronetix/pm9263/Kconfig"

board/l+g/vinco/Kconfig

+if TARGET_VINCO
+
+config SYS_BOARD
+	default "vinco"
+
+config SYS_VENDOR
+	default "l+g"
+
+config SYS_CONFIG_NAME
+	default "vinco"
+
+endif

board/l+g/vinco/Makefile

+obj-y += vinco.o

board/l+g/vinco/vinco.c

+/*
+ * Board file for the VInCo platform
+ * Based on the the SAMA5-EK board file
+ * Configuration settings for the VInCo platform.
+ * Copyright (C) 2014 Atmel
+ *		      Bo Shen <voice.shen@atmel.com>
+ * Copyright (C) 2015 Free Electrons
+ *		      Gregory CLEMENT <gregory.clement@free-electrons.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/atmel_mpddrc.h>
+#include <asm/arch/atmel_usba_udc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/sama5d3_smc.h>
+#include <asm/arch/sama5d4.h>
+#include <atmel_hlcdc.h>
+#include <atmel_mci.h>
+#include <lcd.h>
+#include <mmc.h>
+#include <net.h>
+#include <netdev.h>
+#include <nand.h>
+#include <spi.h>
+#include <version.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_ATMEL_SPI
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+	return bus == 0 && cs == 0;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+	at91_set_pio_output(AT91_PIO_PORTC, 3, 0);
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+	at91_set_pio_output(AT91_PIO_PORTC, 3, 1);
+}
+
+static void vinco_spi0_hw_init(void)
+{
+	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* SPI0_MISO */
+	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* SPI0_MOSI */
+	at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* SPI0_SPCK */
+
+	at91_set_pio_output(AT91_PIO_PORTC, 3, 1);	/* SPI0_CS0 */
+
+	/* Enable clock */
+	at91_periph_clk_enable(ATMEL_ID_SPI0);
+}
+#endif /* CONFIG_ATMEL_SPI */
+
+
+#ifdef CONFIG_CMD_USB
+static void vinco_usb_hw_init(void)
+{
+	at91_set_pio_output(AT91_PIO_PORTE, 11, 0);
+	at91_set_pio_output(AT91_PIO_PORTE, 12, 0);
+	at91_set_pio_output(AT91_PIO_PORTE, 10, 0);
+}
+#endif
+
+
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+void vinco_mci0_hw_init(void)
+{
+	at91_set_b_periph(AT91_PIO_PORTC, 5, 1);	/* MCI0 CDA */
+	at91_set_b_periph(AT91_PIO_PORTC, 6, 1);	/* MCI0 DA0 */
+	at91_set_b_periph(AT91_PIO_PORTC, 7, 1);	/* MCI0 DA1 */
+	at91_set_b_periph(AT91_PIO_PORTC, 8, 1);	/* MCI0 DA2 */
+	at91_set_b_periph(AT91_PIO_PORTC, 9, 1);	/* MCI0 DA3 */
+	at91_set_b_periph(AT91_PIO_PORTC, 10, 1);	/* MCI0 DA4 */
+	at91_set_b_periph(AT91_PIO_PORTC, 11, 1);	/* MCI0 DA5 */
+	at91_set_b_periph(AT91_PIO_PORTC, 12, 1);	/* MCI0 DA6 */
+	at91_set_b_periph(AT91_PIO_PORTC, 13, 1);	/* MCI0 DA7 */
+	at91_set_b_periph(AT91_PIO_PORTC, 4, 0);	/* MCI0 CLK */
+
+	/*
+	 * As the mci io internal pull down is too strong, so if the io needs
+	 * external pull up, the pull up resistor will be very small, if so
+	 * the power consumption will increase, so disable the interanl pull
+	 * down to save the power.
+	 */
+	at91_set_pio_pulldown(AT91_PIO_PORTC, 4, 0);
+	at91_set_pio_pulldown(AT91_PIO_PORTC, 5, 0);
+	at91_set_pio_pulldown(AT91_PIO_PORTC, 6, 0);
+	at91_set_pio_pulldown(AT91_PIO_PORTC, 7, 0);
+	at91_set_pio_pulldown(AT91_PIO_PORTC, 8, 0);
+	at91_set_pio_pulldown(AT91_PIO_PORTC, 9, 0);
+	at91_set_pio_pulldown(AT91_PIO_PORTC, 10, 0);
+	at91_set_pio_pulldown(AT91_PIO_PORTC, 11, 0);
+	at91_set_pio_pulldown(AT91_PIO_PORTC, 12, 0);
+	at91_set_pio_pulldown(AT91_PIO_PORTC, 13, 0);
+
+	/* Enable clock */
+	at91_periph_clk_enable(ATMEL_ID_MCI0);
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	/* Enable power for MCI0 interface */
+	at91_set_pio_output(AT91_PIO_PORTE, 7, 1);
+
+	return atmel_mci_init((void *)ATMEL_BASE_MCI0);
+}
+#endif /* CONFIG_GENERIC_ATMEL_MCI */
+
+#ifdef CONFIG_MACB
+void vinco_macb0_hw_init(void)
+{
+	at91_set_a_periph(AT91_PIO_PORTB, 0, 0);	/* ETXCK_EREFCK */
+	at91_set_a_periph(AT91_PIO_PORTB, 6, 0);	/* ERXDV */
+	at91_set_a_periph(AT91_PIO_PORTB, 8, 0);	/* ERX0 */
+	at91_set_a_periph(AT91_PIO_PORTB, 9, 0);	/* ERX1 */
+	at91_set_a_periph(AT91_PIO_PORTB, 7, 0);	/* ERXER */
+	at91_set_a_periph(AT91_PIO_PORTB, 2, 0);	/* ETXEN */
+	at91_set_a_periph(AT91_PIO_PORTB, 12, 0);	/* ETX0 */
+	at91_set_a_periph(AT91_PIO_PORTB, 13, 0);	/* ETX1 */
+	at91_set_a_periph(AT91_PIO_PORTB, 17, 0);	/* EMDIO */
+	at91_set_a_periph(AT91_PIO_PORTB, 16, 0);	/* EMDC */
+
+	/* Enable clock */
+	at91_periph_clk_enable(ATMEL_ID_GMAC0);
+
+	/* Enable Phy*/
+	at91_set_pio_output(AT91_PIO_PORTE, 8, 1);
+}
+#endif
+
+static void vinco_serial3_hw_init(void)
+{
+	at91_set_b_periph(AT91_PIO_PORTE, 17, 1);	/* TXD3 */
+	at91_set_b_periph(AT91_PIO_PORTE, 16, 0);	/* RXD3 */
+
+	/* Enable clock */
+	at91_periph_clk_enable(ATMEL_ID_USART3);
+}
+
+int board_early_init_f(void)
+{
+	at91_periph_clk_enable(ATMEL_ID_PIOA);
+	at91_periph_clk_enable(ATMEL_ID_PIOB);
+	at91_periph_clk_enable(ATMEL_ID_PIOC);
+	at91_periph_clk_enable(ATMEL_ID_PIOD);
+	at91_periph_clk_enable(ATMEL_ID_PIOE);
+
+	vinco_serial3_hw_init();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_ATMEL_SPI
+	vinco_spi0_hw_init();
+#endif
+
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+	vinco_mci0_hw_init();
+#endif
+#ifdef CONFIG_MACB
+	vinco_macb0_hw_init();
+#endif
+#ifdef CONFIG_CMD_USB
+	vinco_usb_hw_init();
+#endif
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+	at91_udp_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;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+
+#ifdef CONFIG_MACB
+	rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC0, 0x00);
+#endif
+
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+	usba_udc_probe(&pdata);
+#ifdef CONFIG_USB_ETH_RNDIS
+	usb_eth_initialize(bis);
+#endif
+#endif
+
+	return rc;
+}

configs/vinco_defconfig

+CONFIG_ARM=y
+CONFIG_ARCH_AT91=y
+CONFIG_TARGET_VINCO=y
+CONFIG_SYS_EXTRA_OPTIONS="SAMA5D4,SYS_USE_SERIALFLASH"
+CONFIG_SYS_PROMPT="vinco => "
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_SPI_FLASH=y
+CONFIG_NETDEVICES=y
+CONFIG_ETH_DESIGNWARE=y

include/configs/vinco.h

+/*
+ * Configuration settings for the VInCo platform.
+ *
+ * Based on the settings for the SAMA5-EK board
+ * Copyright (C) 2014 Atmel
+ *		      Bo Shen <voice.shen@atmel.com>
+ * Copyright (C) 2015 Free Electrons
+ *		      Gregory CLEMENT gregory.clement@free-electrons.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* No NOR flash, this definition should be put before common header */
+#define CONFIG_SYS_NO_FLASH
+
+#include "at91-sama5_common.h"
+
+/* The value in the common file is too far away for the VInCo platform */
+#ifdef CONFIG_SYS_TEXT_BASE
+#undef CONFIG_SYS_TEXT_BASE
+#endif
+#define CONFIG_SYS_TEXT_BASE		0x20f00000
+
+/* serial console */
+#define CONFIG_ATMEL_USART
+#define CONFIG_USART_BASE		ATMEL_BASE_USART3
+#define	CONFIG_USART_ID			ATMEL_ID_USART3
+
+/* SDRAM */
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_DDRCS
+#define CONFIG_SYS_SDRAM_SIZE		0x4000000
+
+
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_SDRAM_BASE + 4 * 1024 - GENERATED_GBL_DATA_SIZE)
+
+#define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
+
+/* SerialFlash */
+#define CONFIG_CMD_SF
+
+#ifdef CONFIG_CMD_SF
+#define CONFIG_ATMEL_SPI
+#define CONFIG_ATMEL_SPI0
+#define CONFIG_SPI_FLASH_STMICRO
+#define CONFIG_SF_DEFAULT_BUS		0
+#define CONFIG_SF_DEFAULT_CS		0
+#define CONFIG_SF_DEFAULT_SPEED		50000000
+#define CONFIG_ENV_SPI_MAX_HZ		50000000
+#define CONFIG_SF_DEFAULT_MODE		(SPI_MODE_0)
+#define CONFIG_ENV_SPI_MODE		(SPI_MODE_0)
+#endif
+
+
+/* MMC */
+#define CONFIG_CMD_MMC
+
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_SUPPORT_EMMC_BOOT
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_GENERIC_ATMEL_MCI
+#define ATMEL_BASE_MMCI			ATMEL_BASE_MCI1
+#define CONFIG_SYS_MMC_CLK_OD		500000
+
+/* For generating MMC partitions */
+#define CONFIG_PARTITION_UUIDS
+#define CONFIG_RANDOM_UUID
+#define CONFIG_EFI_PARTITION
+#define CONFIG_CMD_GPT
+
+#endif
+
+/* USB */
+#define CONFIG_CMD_USB
+
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_ATMEL
+#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
+#define CONFIG_USB_STORAGE
+#endif
+
+/* USB device */
+#define CONFIG_USB_GADGET
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_ATMEL_USBA
+#define CONFIG_USB_ETHER
+#define CONFIG_USB_ETH_RNDIS
+#define CONFIG_USBNET_MANUFACTURER      "L+G VInCo"
+
+#if defined(CONFIG_CMD_USB) || defined(CONFIG_CMD_MMC)
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#endif
+
+/* Ethernet Hardware */
+#define CONFIG_CMD_MII
+#define CONFIG_PHY_SMSC
+#define CONFIG_MACB
+#define CONFIG_RMII
+#define CONFIG_NET_RETRY_COUNT		20
+#define CONFIG_MACB_SEARCH_PHY
+
+
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_SMSC95XX
+#define CONFIG_USB_ETHER_RNDIS
+
+
+#ifdef CONFIG_SYS_USE_SERIALFLASH
+/* bootstrap + u-boot + env + linux in serial flash */
+#define CONFIG_ENV_SPI_BUS	CONFIG_SF_DEFAULT_BUS
+#define CONFIG_ENV_SPI_CS	CONFIG_SF_DEFAULT_CS
+/* Use our own mapping for the VInCo platform */
+#undef CONFIG_ENV_OFFSET
+#undef CONFIG_ENV_SIZE
+
+#define CONFIG_ENV_OFFSET       0x10000
+#define CONFIG_ENV_SIZE         0x10000
+
+/* Update the bootcommand according to our mapping for the VInCo platform */
+#undef CONFIG_BOOTCOMMAND
+#define CONFIG_BOOTCOMMAND  "mmc dev 0 0;" \
+			    "mmc read ${loadaddr} ${k_offset} ${k_blksize};" \
+			    "mmc read ${oftaddr} ${dtb_offset} ${dtb_blksize};" \
+			    "bootz ${loadaddr} -  ${oftaddr}"
+
+#undef CONFIG_BOOTARGS
+#define CONFIG_BOOTARGS	    "console=ttyS0,115200 earlyprintk rw root=/dev/mmcblk0p2 rootfstype=ext4 rootwait quiet lpj=1990656"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"kernel_start=0x20000\0" \
+	"kernel_size=0x800000\0" \
+	"mmcblksize=0x200\0" \
+	"oftaddr=0x21000000\0" \
+	"loadaddr=0x22000000\0" \
+	"update_uboot=tftp ${loadaddr} u-boot.bin;sf probe 0;" \
+	"sf erase 0x20000 0x4B000; sf write ${loadaddr} 0x20000 0x4B000\0" \
+	"create_partition=setexpr dtb_start ${kernel_start} + 0x400000;" \
+	"setexpr rootfs_start ${kernel_start} + ${kernel_size};" \
+	"setenv partitions 'name=kernel,size=${kernel_size}," \
+	"start=${kernel_start};name=rootfs,size=-';" \
+	"gpt write mmc 0 ${partitions} \0"\
+	"f2blk_size=setexpr fileblksize ${filesize} / ${mmcblksize};" \
+	"setexpr fileblksize ${fileblksize} + 1\0" \
+	"store_kernel=tftp ${loadaddr} zImage; run f2blk_size;" \
+	"setexpr k_blksize ${fileblksize};" \
+	"setexpr k_offset ${kernel_start} / ${mmcblksize};" \
+	"mmc write ${fileaddr} ${k_offset} ${fileblksize}\0" \
+	"store_dtb=tftp ${loadaddr} at91-vinco.dtb; run f2blk_size;" \
+	"setexpr dtb_blksize ${fileblksize};" \
+	"setexpr dtb_offset ${dtb_start} / ${mmcblksize};" \
+	"mmc write ${fileaddr} ${dtb_offset} ${fileblksize}\0" \
+	"store_rootfs=tftp ${loadaddr} vinco-gateway-image-vinco.ext4;" \
+	"setexpr rootfs_offset ${rootfs_start} / ${mmcblksize};" \
+	"mmc write ${fileaddr} ${rootfs_offset} ${fileblksize}\0" \
+	"bootdelay=0\0"
+
+#endif
+#define CONFIG_ZERO_BOOTDELAY_CHECK
+
+#endif