ARM: atmel: add sama5d3 Xplained board support

Add sama5d3 Xplained board support which use Atmel SAMA5D36 SoC.
Now it supports boot from NAND flash and SD/MMC card.
Features support:
  - NAND flash
  - SD/MMC card
  - Two USB hosts
  - Ethernet (one GMAC, one EMAC)

Signed-off-by: Bo Shen <voice.shen@atmel.com>
[reorder boards.cfg]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>

2 files changed, 145 insertions, 0 deletions

diff --git a/board/atmel/sama5d3_xplained/Makefile b/board/atmel/sama5d3_xplained/Makefile
new file mode 100644
index 0000000..ec82b06
--- /dev/null
+++ b/board/atmel/sama5d3_xplained/Makefile
@@ -0,0 +1,15 @@
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Stelian Pop <stelian@popies.net>
+# Lead Tech Design <www.leadtechdesign.com>
+#
+# (C) Copyright 2014
+# Bo Shen <voice.shen@atmel.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y += sama5d3_xplained.o
diff --git a/board/atmel/sama5d3_xplained/sama5d3_xplained.c b/board/atmel/sama5d3_xplained/sama5d3_xplained.c
new file mode 100644
index 0000000..39f2dc6
--- /dev/null
+++ b/board/atmel/sama5d3_xplained/sama5d3_xplained.c
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2014 Atmel Corporation
+ *		      Bo Shen <voice.shen@atmel.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <mmc.h>
+#include <asm/io.h>
+#include <asm/arch/sama5d3_smc.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/clk.h>
+#include <atmel_mci.h>
+#include <net.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_NAND_ATMEL
+void sama5d3_xplained_nand_hw_init(void)
+{
+	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
+
+	at91_periph_clk_enable(ATMEL_ID_SMC);
+
+	/* Configure SMC CS3 for NAND/SmartMedia */
+	writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(1) |
+	       AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(1),
+	       &smc->cs[3].setup);
+	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(5) |
+	       AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(5),
+	       &smc->cs[3].pulse);
+	writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8),
+	       &smc->cs[3].cycle);
+	writel(AT91_SMC_TIMINGS_TCLR(3) | AT91_SMC_TIMINGS_TADL(10) |
+	       AT91_SMC_TIMINGS_TAR(3)  | AT91_SMC_TIMINGS_TRR(4)   |
+	       AT91_SMC_TIMINGS_TWB(5)  | AT91_SMC_TIMINGS_RBNSEL(3)|
+	       AT91_SMC_TIMINGS_NFSEL(1), &smc->cs[3].timings);
+	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
+	       AT91_SMC_MODE_EXNW_DISABLE |
+#ifdef CONFIG_SYS_NAND_DBW_16
+	       AT91_SMC_MODE_DBW_16 |
+#else /* CONFIG_SYS_NAND_DBW_8 */
+	       AT91_SMC_MODE_DBW_8 |
+#endif
+	       AT91_SMC_MODE_TDF_CYCLE(3),
+	       &smc->cs[3].mode);
+}
+#endif
+
+#ifdef CONFIG_CMD_USB
+static void sama5d3_xplained_usb_hw_init(void)
+{
+	at91_set_pio_output(AT91_PIO_PORTE, 3, 0);
+	at91_set_pio_output(AT91_PIO_PORTE, 4, 0);
+}
+#endif
+
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+static void sama5d3_xplained_mci0_hw_init(void)
+{
+	at91_mci_hw_init();
+
+	at91_set_pio_output(AT91_PIO_PORTE, 2, 0);	/* MCI0 Power */
+}
+#endif
+
+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);
+
+	at91_seriald_hw_init();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_NAND_ATMEL
+	sama5d3_xplained_nand_hw_init();
+#endif
+#ifdef CONFIG_CMD_USB
+	sama5d3_xplained_usb_hw_init();
+#endif
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+	sama5d3_xplained_mci0_hw_init();
+#endif
+#ifdef CONFIG_MACB
+	at91_gmac_hw_init();
+	at91_macb_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)
+{
+#ifdef CONFIG_MACB
+	macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC, 0x00);
+	macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00);
+#endif
+	return 0;
+}
+
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+int board_mmc_init(bd_t *bis)
+{
+	atmel_mci_init((void *)ATMEL_BASE_MCI0);
+
+	return 0;
+}
+#endif