arm : Atmel : add at91sam9x5ek board support

Add at91sam9x5ek board support, this board support the following SoCs
  AT91SAM9G15, AT91SAM9G25, AT91SAM9G35, AT91SAM9X25, AT91SAM9X35

Using at91sam9x5ek_nandflash to configure for the board
Now only supports NAND with software ECC boot up

Signed-off-by: Bo Shen <voice.shen@atmel.com>
[move MAINTAINERS entry to right place]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>

3 files changed, 346 insertions, 0 deletions

diff --git a/board/atmel/at91sam9x5ek/Makefile b/board/atmel/at91sam9x5ek/Makefile
new file mode 100644
index 0000000000..458d9a0ea4
--- /dev/null
+++ b/board/atmel/at91sam9x5ek/Makefile
@@ -0,0 +1,52 @@
+#
+# (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 2012
+# Bo Shen <voice.shen@atmel.com>
+# Atmel corporation <www.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 += at91sam9x5ek.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/at91sam9x5ek/at91sam9x5ek.c b/board/atmel/at91sam9x5ek/at91sam9x5ek.c
new file mode 100644
index 0000000000..17db0fd513
--- /dev/null
+++ b/board/atmel/at91sam9x5ek/at91sam9x5ek.c
@@ -0,0 +1,293 @@
+/*
+ * Copyright (C) 2012 Atmel Corporation
+ *
+ * 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 <asm/io.h>
+#include <asm/arch/at91sam9x5_matrix.h>
+#include <asm/arch/at91sam9_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_hlcdc.h>
+#ifdef CONFIG_MACB
+#include <net.h>
+#endif
+#include <netdev.h>
+#ifdef CONFIG_LCD_INFO
+#include <nand.h>
+#include <version.h>
+#endif
+#ifdef CONFIG_ATMEL_SPI
+#include <spi.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+#ifdef CONFIG_CMD_NAND
+static void at91sam9x5ek_nand_hw_init(void)
+{
+	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
+	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
+	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+	unsigned long csa;
+
+	/* Enable CS3 */
+	csa = readl(&matrix->ebicsa);
+	csa |= AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA;
+	writel(csa, &matrix->ebicsa);
+
+	/* Configure SMC CS3 for NAND/SmartMedia */
+	writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
+		AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
+		&smc->cs[3].setup);
+	writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(4) |
+		AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(4),
+		&smc->cs[3].pulse);
+	writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(7),
+		&smc->cs[3].cycle);
+	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);
+
+	writel(1 << ATMEL_ID_PIOCD, &pmc->pcer);
+
+	/* Configure RDY/BSY */
+	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
+	/* Enable NandFlash */
+	at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
+
+	at91_set_a_periph(AT91_PIO_PORTD, 0, 1);	/* NAND OE */
+	at91_set_a_periph(AT91_PIO_PORTD, 1, 1);	/* NAND WE */
+	at91_set_a_periph(AT91_PIO_PORTD, 2, 1);	/* NAND ALE */
+	at91_set_a_periph(AT91_PIO_PORTD, 3, 1);	/* NAND CLE */
+	at91_set_a_periph(AT91_PIO_PORTD, 6, 1);
+	at91_set_a_periph(AT91_PIO_PORTD, 7, 1);
+	at91_set_a_periph(AT91_PIO_PORTD, 8, 1);
+	at91_set_a_periph(AT91_PIO_PORTD, 9, 1);
+	at91_set_a_periph(AT91_PIO_PORTD, 10, 1);
+	at91_set_a_periph(AT91_PIO_PORTD, 11, 1);
+	at91_set_a_periph(AT91_PIO_PORTD, 12, 1);
+	at91_set_a_periph(AT91_PIO_PORTD, 13, 1);
+}
+#endif
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+
+#ifdef CONFIG_MACB
+	if (has_emac0())
+		rc = macb_eth_initialize(0,
+			(void *)ATMEL_BASE_EMAC0, 0x00);
+	if (has_emac1())
+		rc = macb_eth_initialize(1,
+			(void *)ATMEL_BASE_EMAC1, 0x00);
+#endif
+	return rc;
+}
+
+#ifdef CONFIG_LCD
+vidinfo_t panel_info = {
+	.vl_col	= 800,
+	.vl_row = 480,
+	.vl_clk = 24000000,
+	.vl_sync = LCDC_LCDCFG5_HSPOL | LCDC_LCDCFG5_VSPOL,
+	.vl_bpix = LCD_BPP,
+	.vl_tft = 1,
+	.vl_clk_pol = 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)
+{
+	if (has_lcdc())
+		at91_set_a_periph(AT91_PIO_PORTC, 29, 1);	/* power up */
+}
+
+void lcd_disable(void)
+{
+	if (has_lcdc())
+		at91_set_a_periph(AT91_PIO_PORTC, 29, 0);	/* power down */
+}
+
+static void at91sam9x5ek_lcd_hw_init(void)
+{
+	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+	if (has_lcdc()) {
+		at91_set_a_periph(AT91_PIO_PORTC, 26, 0);	/* LCDPWM */
+		at91_set_a_periph(AT91_PIO_PORTC, 27, 0);	/* LCDVSYNC */
+		at91_set_a_periph(AT91_PIO_PORTC, 28, 0);	/* LCDHSYNC */
+		at91_set_a_periph(AT91_PIO_PORTC, 24, 0);	/* LCDDISP */
+		at91_set_a_periph(AT91_PIO_PORTC, 29, 0);	/* LCDDEN */
+		at91_set_a_periph(AT91_PIO_PORTC, 30, 0);	/* LCDPCK */
+
+		at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* LCDD0 */
+		at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* LCDD1 */
+		at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* LCDD2 */
+		at91_set_a_periph(AT91_PIO_PORTC, 3, 0);	/* LCDD3 */
+		at91_set_a_periph(AT91_PIO_PORTC, 4, 0);	/* LCDD4 */
+		at91_set_a_periph(AT91_PIO_PORTC, 5, 0);	/* LCDD5 */
+		at91_set_a_periph(AT91_PIO_PORTC, 6, 0);	/* LCDD6 */
+		at91_set_a_periph(AT91_PIO_PORTC, 7, 0);	/* LCDD7 */
+		at91_set_a_periph(AT91_PIO_PORTC, 8, 0);	/* LCDD8 */
+		at91_set_a_periph(AT91_PIO_PORTC, 9, 0);	/* LCDD9 */
+		at91_set_a_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD10 */
+		at91_set_a_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD11 */
+		at91_set_a_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD12 */
+		at91_set_a_periph(AT91_PIO_PORTC, 13, 0);	/* LCDD13 */
+		at91_set_a_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD14 */
+		at91_set_a_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD15 */
+		at91_set_a_periph(AT91_PIO_PORTC, 16, 0);	/* LCDD16 */
+		at91_set_a_periph(AT91_PIO_PORTC, 17, 0);	/* LCDD17 */
+		at91_set_a_periph(AT91_PIO_PORTC, 18, 0);	/* LCDD18 */
+		at91_set_a_periph(AT91_PIO_PORTC, 19, 0);	/* LCDD19 */
+		at91_set_a_periph(AT91_PIO_PORTC, 20, 0);	/* LCDD20 */
+		at91_set_a_periph(AT91_PIO_PORTC, 21, 0);	/* LCDD21 */
+		at91_set_a_periph(AT91_PIO_PORTC, 22, 0);	/* LCDD22 */
+		at91_set_a_periph(AT91_PIO_PORTC, 23, 0);	/* LCDD23 */
+
+		writel(1 << ATMEL_ID_LCDC, &pmc->pcer);
+	}
+}
+
+#ifdef CONFIG_LCD_INFO
+void lcd_show_board_info(void)
+{
+	ulong dram_size, nand_size;
+	int i;
+	char temp[32];
+
+	if (has_lcdc()) {
+		lcd_printf("%s\n", U_BOOT_VERSION);
+		lcd_printf("(C) 2012 ATMEL Corp\n");
+		lcd_printf("at91support@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;
+		for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
+			nand_size += nand_info[i].size;
+		lcd_printf("  %ld MB SDRAM, %ld MB NAND\n",
+			dram_size >> 20,
+			nand_size >> 20);
+	}
+}
+#endif /* CONFIG_LCD_INFO */
+#endif /* CONFIG_LCD */
+
+/* SPI chip select control */
+#ifdef CONFIG_ATMEL_SPI
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+	return bus == 0 && cs < 2;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+	switch (slave->cs) {
+	case 1:
+		at91_set_pio_output(AT91_PIO_PORTA, 7, 0);
+		break;
+	case 0:
+	default:
+		at91_set_pio_output(AT91_PIO_PORTA, 14, 0);
+		break;
+	}
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+	switch (slave->cs) {
+	case 1:
+		at91_set_pio_output(AT91_PIO_PORTA, 7, 1);
+		break;
+	case 0:
+	default:
+		at91_set_pio_output(AT91_PIO_PORTA, 14, 1);
+		break;
+	}
+}
+#endif /* CONFIG_ATMEL_SPI */
+
+int board_early_init_f(void)
+{
+	at91_seriald_hw_init();
+	return 0;
+}
+
+int board_init(void)
+{
+	/* arch number of AT91SAM9X5EK-Board */
+	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9X5EK;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_CMD_NAND
+	at91sam9x5ek_nand_hw_init();
+#endif
+
+#ifdef CONFIG_ATMEL_SPI
+	at91_spi0_hw_init(1 << 0);
+	at91_spi0_hw_init(1 << 4);
+#endif
+
+#ifdef CONFIG_MACB
+	at91_macb_hw_init();
+#endif
+
+#ifdef CONFIG_LCD
+	at91sam9x5ek_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;
+}
diff --git a/board/atmel/at91sam9x5ek/config.mk b/board/atmel/at91sam9x5ek/config.mk
new file mode 100644
index 0000000000..6589a12a93
--- /dev/null
+++ b/board/atmel/at91sam9x5ek/config.mk
@@ -0,0 +1 @@
+CONFIG_SYS_TEXT_BASE = 0x26f00000