ARM: atmel: add sama5d3xek support

Add sama5d3xek support with following feature
  - boot from NAND flash, PMECC support, 4bit ECC @ 512 bytes sector
  - boot from SPI flash support
  - boot from SD card support
  - LCD support
  - EMAC support
  - USB OHCI support

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

2 files changed, 326 insertions, 0 deletions

diff --git a/board/atmel/sama5d3xek/Makefile b/board/atmel/sama5d3xek/Makefile
new file mode 100644
index 0000000..45d24d2
--- /dev/null
+++ b/board/atmel/sama5d3xek/Makefile
@@ -0,0 +1,51 @@
+#
+# (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 2013
+# Bo Shen <voice.shen@atmel.com>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program 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 program 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.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+COBJS-y += sama5d3xek.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/atmel/sama5d3xek/sama5d3xek.c b/board/atmel/sama5d3xek/sama5d3xek.c
new file mode 100644
index 0000000..541296d
--- /dev/null
+++ b/board/atmel/sama5d3xek/sama5d3xek.c
@@ -0,0 +1,275 @@
+/*
+ * Copyright (C) 2012 - 2013 Atmel Corporation
+ * Bo Shen <voice.shen@atmel.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program 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 program 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#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 <lcd.h>
+#include <atmel_lcdc.h>
+#include <atmel_mci.h>
+#include <net.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+#ifdef CONFIG_NAND_ATMEL
+void sama5d3xek_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 sama5d3xek_usb_hw_init(void)
+{
+	at91_set_pio_output(AT91_PIO_PORTD, 25, 0);
+	at91_set_pio_output(AT91_PIO_PORTD, 26, 0);
+	at91_set_pio_output(AT91_PIO_PORTD, 27, 0);
+}
+#endif
+
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+static void sama5d3xek_mci_hw_init(void)
+{
+	at91_mci_hw_init();
+
+	at91_set_pio_output(AT91_PIO_PORTB, 10, 0);	/* MCI0 Power */
+}
+#endif
+
+#ifdef CONFIG_LCD
+vidinfo_t panel_info = {
+	.vl_col = 800,
+	.vl_row = 480,
+	.vl_clk = 24000000,
+	.vl_sync = ATMEL_LCDC_INVLINE_NORMAL | ATMEL_LCDC_INVFRAME_NORMAL,
+	.vl_bpix = LCD_BPP,
+	.vl_tft = 1,
+	.vl_hsync_len = 128,
+	.vl_left_margin = 64,
+	.vl_right_margin = 64,
+	.vl_vsync_len = 2,
+	.vl_upper_margin = 22,
+	.vl_lower_margin = 21,
+	.mmio = ATMEL_BASE_LCDC,
+};
+
+void lcd_enable(void)
+{
+}
+
+void lcd_disable(void)
+{
+}
+
+static void sama5d3xek_lcd_hw_init(void)
+{
+	gd->fb_base = CONFIG_SAMA5D3_LCD_BASE;
+
+	/* The higher 8 bit of LCD is board related */
+	at91_set_c_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD16 */
+	at91_set_c_periph(AT91_PIO_PORTC, 13, 0);	/* LCDD17 */
+	at91_set_c_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD18 */
+	at91_set_c_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD19 */
+	at91_set_c_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD20 */
+	at91_set_c_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD21 */
+	at91_set_c_periph(AT91_PIO_PORTE, 27, 0);	/* LCDD22 */
+	at91_set_c_periph(AT91_PIO_PORTE, 28, 0);	/* LCDD23 */
+
+	/* Configure lower 16 bit of LCD and enable clock */
+	at91_lcd_hw_init();
+}
+
+#ifdef CONFIG_LCD_INFO
+#include <nand.h>
+#include <version.h>
+
+void lcd_show_board_info(void)
+{
+	ulong dram_size, nand_size;
+	int i;
+	char temp[32];
+
+	lcd_printf("%s\n", U_BOOT_VERSION);
+	lcd_printf("(C) 2013 ATMEL Corp\n");
+	lcd_printf("at91@atmel.com\n");
+	lcd_printf("%s CPU at %s MHz\n", get_cpu_name(),
+		   strmhz(temp, get_cpu_clk_rate()));
+
+	dram_size = 0;
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
+		dram_size += gd->bd->bi_dram[i].size;
+
+	nand_size = 0;
+#ifdef CONFIG_NAND_ATMEL
+	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
+		nand_size += nand_info[i].size;
+#endif
+	lcd_printf("%ld MB SDRAM, %ld MB NAND\n",
+		   dram_size >> 20, nand_size >> 20);
+}
+#endif /* CONFIG_LCD_INFO */
+#endif /* CONFIG_LCD */
+
+int board_early_init_f(void)
+{
+	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
+	sama5d3xek_nand_hw_init();
+#endif
+#ifdef CONFIG_CMD_USB
+	sama5d3xek_usb_hw_init();
+#endif
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+	sama5d3xek_mci_hw_init();
+#endif
+#ifdef CONFIG_ATMEL_SPI
+	at91_spi0_hw_init(1 << 0);
+#endif
+#ifdef CONFIG_MACB
+	if (has_emac())
+		at91_macb_hw_init();
+#endif
+#ifdef CONFIG_LCD
+	if (has_lcdc())
+		sama5d3xek_lcd_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
+	if (has_emac())
+		rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00);
+#endif
+
+	return rc;
+}
+
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+int board_mmc_init(bd_t *bis)
+{
+	int rc = 0;
+
+	rc = atmel_mci_init((void *)ATMEL_BASE_MCI0);
+
+	return rc;
+}
+#endif
+
+/* SPI chip select control */
+#ifdef CONFIG_ATMEL_SPI
+#include <spi.h>
+
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+	return bus == 0 && cs < 4;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+	switch (slave->cs) {
+	case 0:
+		at91_set_pio_output(AT91_PIO_PORTD, 13, 0);
+	case 1:
+		at91_set_pio_output(AT91_PIO_PORTD, 14, 0);
+	case 2:
+		at91_set_pio_output(AT91_PIO_PORTD, 15, 0);
+	case 3:
+		at91_set_pio_output(AT91_PIO_PORTD, 16, 0);
+	default:
+		break;
+	}
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+	switch (slave->cs) {
+	case 0:
+		at91_set_pio_output(AT91_PIO_PORTD, 13, 1);
+	case 1:
+		at91_set_pio_output(AT91_PIO_PORTD, 14, 1);
+	case 2:
+		at91_set_pio_output(AT91_PIO_PORTD, 15, 1);
+	case 3:
+		at91_set_pio_output(AT91_PIO_PORTD, 16, 1);
+	default:
+		break;
+	}
+}
+#endif /* CONFIG_ATMEL_SPI */