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>

3 files changed, 225 insertions, 0 deletions

diff --git a/board/l+g/vinco/Kconfig b/board/l+g/vinco/Kconfig
new file mode 100644
index 0000000..229b5ea
--- /dev/null
+++ b/board/l+g/vinco/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_VINCO
+
+config SYS_BOARD
+	default "vinco"
+
+config SYS_VENDOR
+	default "l+g"
+
+config SYS_CONFIG_NAME
+	default "vinco"
+
+endif
diff --git a/board/l+g/vinco/Makefile b/board/l+g/vinco/Makefile
new file mode 100644
index 0000000..a2b8a2b
--- /dev/null
+++ b/board/l+g/vinco/Makefile
@@ -0,0 +1 @@
+obj-y += vinco.o
diff --git a/board/l+g/vinco/vinco.c b/board/l+g/vinco/vinco.c
new file mode 100644
index 0000000..3d7af09
--- /dev/null
+++ b/board/l+g/vinco/vinco.c
@@ -0,0 +1,212 @@
+/*
+ * 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;
+}