[U-Boot] [PATCH] at91: Support for the at91sam9g20 : Atmel 400Mhz ARM 926ej-s SOC.

Nicolas Ferre
2009-03-09T13:52:04Z

AT91sam9g20 is an evolution of the at91sam9260
with a faster clock speed.

Here is the chip page on Atmel website:
http://www.atmel.com/dyn/products/product_card.asp?part_id=4337

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
---
Makefile | 17 ++
board/atmel/at91sam9g20ek/Makefile | 57 +++++++
board/atmel/at91sam9g20ek/at91sam9g20ek.c | 261 +++++++++++++++++++++++++++++
board/atmel/at91sam9g20ek/config.mk | 1 +
board/atmel/at91sam9g20ek/led.c | 64 +++++++
board/atmel/at91sam9g20ek/nand.c | 78 +++++++++
board/atmel/at91sam9g20ek/partition.c | 40 +++++
cpu/arm926ejs/at91/usb.c | 4 +-
doc/README.at91 | 2 +-
drivers/net/macb.c | 4 +-
include/asm-arm/arch-at91/hardware.h | 2 +-
include/configs/at91sam9g20ek.h | 201 ++++++++++++++++++++++
12 files changed, 725 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index c24115d..0cd8a93 100644
--- a/Makefile
+++ b/Makefile
@@ -2679,6 +2679,23 @@ at91sam9xeek_config : unconfig
fi;
@$(MKCONFIG) -n at91sam9xeek -a at91sam9260ek arm arm926ejs at91sam9260ek atmel at91

+at91sam9g20ek_nandflash_config \
+at91sam9g20ek_dataflash_cs0_config \
+at91sam9g20ek_dataflash_cs1_config \
+at91sam9g20ek_config : unconfig
+ @mkdir -p $(obj)include
+ @if [ "$(findstring _nandflash,$@)" ] ; then \
+ echo "#define CONFIG_SYS_USE_NANDFLASH 1" >>$(obj)include/config.h ; \
+ $(XECHO) "... with environment variable in NAND FLASH" ; \
+ elif [ "$(findstring dataflash_cs0,$@)" ] ; then \
+ echo "#define CONFIG_SYS_USE_DATAFLASH_CS0 1" >>$(obj)include/config.h ; \
+ $(XECHO) "... with environment variable in SPI DATAFLASH CS0" ; \
+ else \
+ echo "#define CONFIG_SYS_USE_DATAFLASH_CS1 1" >>$(obj)include/config.h ; \
+ $(XECHO) "... with environment variable in SPI DATAFLASH CS1" ; \
+ fi;
+ @$(MKCONFIG) -a at91sam9g20ek arm arm926ejs at91sam9g20ek atmel at91
+
at91sam9261ek_nandflash_config \
at91sam9261ek_dataflash_cs0_config \
at91sam9261ek_dataflash_cs3_config \
diff --git a/board/atmel/at91sam9g20ek/Makefile b/board/atmel/at91sam9g20ek/Makefile
new file mode 100644
index 0000000..cdf5d34
--- /dev/null
+++ b/board/atmel/at91sam9g20ek/Makefile
@@ -0,0 +1,57 @@
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# (C) Copyright 2008
+# Stelian Pop <stelian.pop@leadtechdesign.com>
+# Lead Tech Design <www.leadtechdesign.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).a
+
+COBJS-y += at91sam9g20ek.o
+COBJS-y += led.o
+COBJS-y += partition.o
+COBJS-$(CONFIG_CMD_NAND) += nand.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/atmel/at91sam9g20ek/at91sam9g20ek.c b/board/atmel/at91sam9g20ek/at91sam9g20ek.c
new file mode 100644
index 0000000..eee9f50
--- /dev/null
+++ b/board/atmel/at91sam9g20ek/at91sam9g20ek.c
@@ -0,0 +1,261 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.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 <asm/arch/at91sam9260.h>
+#include <asm/arch/at91sam9260_matrix.h>
+#include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+#include <asm/arch/hardware.h>
+#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
+#include <net.h>
+#endif
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+static void at91sam9g20ek_serial_hw_init(void)
+{
+#ifdef CONFIG_USART0
+ at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD0 */
+ at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US0);
+#endif
+
+#ifdef CONFIG_USART1
+ at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */
+ at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US1);
+#endif
+
+#ifdef CONFIG_USART2
+ at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */
+ at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US2);
+#endif
+
+#ifdef CONFIG_USART3 /* DBGU */
+ at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */
+ at91_set_A_periph(AT91_PIN_PB15, 1); /* DTXD */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
+#endif
+}
+
+#ifdef CONFIG_CMD_NAND
+static void at91sam9g20ek_nand_hw_init(void)
+{
+ unsigned long csa;
+
+ /* Enable CS3 */
+ csa = at91_sys_read(AT91_MATRIX_EBICSA);
+ at91_sys_write(AT91_MATRIX_EBICSA,
+ csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
+
+ /* Configure SMC CS3 for NAND/SmartMedia */
+ at91_sys_write(AT91_SMC_SETUP(3),
+ AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) |
+ AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0));
+ at91_sys_write(AT91_SMC_PULSE(3),
+ AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(3) |
+ AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(3));
+ at91_sys_write(AT91_SMC_CYCLE(3),
+ AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));
+ at91_sys_write(AT91_SMC_MODE(3),
+ AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+ AT91_SMC_EXNWMODE_DISABLE |
+#ifdef CONFIG_SYS_NAND_DBW_16
+ AT91_SMC_DBW_16 |
+#else /* CONFIG_SYS_NAND_DBW_8 */
+ AT91_SMC_DBW_8 |
+#endif
+ AT91_SMC_TDF_(3));
+
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOC);
+
+ /* Configure RDY/BSY */
+ at91_set_gpio_input(AT91_PIN_PC13, 1);
+
+ /* Enable NandFlash */
+ at91_set_gpio_output(AT91_PIN_PC14, 1);
+}
+#endif
+
+#ifdef CONFIG_HAS_DATAFLASH
+static void at91sam9g20ek_spi_hw_init(void)
+{
+ at91_set_A_periph(AT91_PIN_PA3, 0); /* SPI0_NPCS0 */
+ at91_set_B_periph(AT91_PIN_PC11, 0); /* SPI0_NPCS1 */
+
+ at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
+ at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
+ at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
+
+ /* Enable clock */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_SPI0);
+}
+#endif
+
+#ifdef CONFIG_MACB
+static void at91sam9g20ek_macb_hw_init(void)
+{
+ /* Enable clock */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_EMAC);
+
+ /*
+ * Disable pull-up on:
+ * RXDV (PA17) => PHY normal mode (not Test mode)
+ * ERX0 (PA14) => PHY ADDR0
+ * ERX1 (PA15) => PHY ADDR1
+ * ERX2 (PA25) => PHY ADDR2
+ * ERX3 (PA26) => PHY ADDR3
+ * ECRS (PA28) => PHY ADDR4 => PHYADDR = 0x0
+ *
+ * PHY has internal pull-down
+ */
+ writel(pin_to_mask(AT91_PIN_PA14) |
+ pin_to_mask(AT91_PIN_PA15) |
+ pin_to_mask(AT91_PIN_PA17) |
+ pin_to_mask(AT91_PIN_PA25) |
+ pin_to_mask(AT91_PIN_PA26) |
+ pin_to_mask(AT91_PIN_PA28),
+ pin_to_controller(AT91_PIN_PA0) + PIO_PUDR);
+
+ /* Need to reset PHY -> 500ms reset */
+ at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
+ (AT91_RSTC_ERSTL & (0x0D << 8)) |
+ AT91_RSTC_URSTEN);
+
+ at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);
+
+ /* Wait for end hardware reset */
+ while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL));
+
+ /* Restore NRST value */
+ at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
+ (AT91_RSTC_ERSTL & (0x0 << 8)) |
+ AT91_RSTC_URSTEN);
+
+ /* Re-enable pull-up */
+ writel(pin_to_mask(AT91_PIN_PA14) |
+ pin_to_mask(AT91_PIN_PA15) |
+ pin_to_mask(AT91_PIN_PA17) |
+ pin_to_mask(AT91_PIN_PA25) |
+ pin_to_mask(AT91_PIN_PA26) |
+ pin_to_mask(AT91_PIN_PA28),
+ pin_to_controller(AT91_PIN_PA0) + PIO_PUER);
+
+ at91_set_A_periph(AT91_PIN_PA19, 0); /* ETXCK_EREFCK */
+ at91_set_A_periph(AT91_PIN_PA17, 0); /* ERXDV */
+ at91_set_A_periph(AT91_PIN_PA14, 0); /* ERX0 */
+ at91_set_A_periph(AT91_PIN_PA15, 0); /* ERX1 */
+ at91_set_A_periph(AT91_PIN_PA18, 0); /* ERXER */
+ at91_set_A_periph(AT91_PIN_PA16, 0); /* ETXEN */
+ at91_set_A_periph(AT91_PIN_PA12, 0); /* ETX0 */
+ at91_set_A_periph(AT91_PIN_PA13, 0); /* ETX1 */
+ at91_set_A_periph(AT91_PIN_PA21, 0); /* EMDIO */
+ at91_set_A_periph(AT91_PIN_PA20, 0); /* EMDC */
+
+#ifndef CONFIG_RMII
+ at91_set_B_periph(AT91_PIN_PA28, 0); /* ECRS */
+ at91_set_B_periph(AT91_PIN_PA29, 0); /* ECOL */
+ at91_set_B_periph(AT91_PIN_PA25, 0); /* ERX2 */
+ at91_set_B_periph(AT91_PIN_PA26, 0); /* ERX3 */
+ at91_set_B_periph(AT91_PIN_PA27, 0); /* ERXCK */
+#if defined(CONFIG_AT91SAM9G20EK)
+ /*
+ * use PA10, PA11 for ETX2, ETX3.
+ * PA23 and PA24 are for TWI EEPROM
+ */
+ at91_set_B_periph(AT91_PIN_PA10, 0); /* ETX2 */
+ at91_set_B_periph(AT91_PIN_PA11, 0); /* ETX3 */
+#else
+ at91_set_B_periph(AT91_PIN_PA23, 0); /* ETX2 */
+ at91_set_B_periph(AT91_PIN_PA24, 0); /* ETX3 */
+#endif
+ at91_set_B_periph(AT91_PIN_PA22, 0); /* ETXER */
+#endif
+
+}
+#endif
+
+int board_init(void)
+{
+ /* Enable Ctrlc */
+ console_init_f();
+
+ /* arch number of AT91SAM9G20EK-Board */
+ gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9G20EK;
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ at91sam9g20ek_serial_hw_init();
+#ifdef CONFIG_CMD_NAND
+ at91sam9g20ek_nand_hw_init();
+#endif
+#ifdef CONFIG_HAS_DATAFLASH
+ at91sam9g20ek_spi_hw_init();
+#endif
+#ifdef CONFIG_MACB
+ at91sam9g20ek_macb_hw_init();
+#endif
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
+ return 0;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+void reset_phy(void)
+{
+#ifdef CONFIG_MACB
+ /*
+ * Initialize ethernet HW addr prior to starting Linux,
+ * needed for nfsroot
+ */
+ eth_init(gd->bd);
+#endif
+}
+#endif
+
+int board_eth_init(bd_t *bis)
+{
+ int rc = 0;
+#ifdef CONFIG_MACB
+ rc = macb_eth_initialize(0, (void *)AT91SAM9260_BASE_EMAC, 0x00);
+#endif
+ return rc;
+}
diff --git a/board/atmel/at91sam9g20ek/config.mk b/board/atmel/at91sam9g20ek/config.mk
new file mode 100644
index 0000000..ff2cfd1
--- /dev/null
+++ b/board/atmel/at91sam9g20ek/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0x23f00000
diff --git a/board/atmel/at91sam9g20ek/led.c b/board/atmel/at91sam9g20ek/led.c
new file mode 100644
index 0000000..ddc375f
--- /dev/null
+++ b/board/atmel/at91sam9g20ek/led.c
@@ -0,0 +1,64 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.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 <asm/arch/at91sam9260.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+
+#define RED_LED AT91_PIN_PA9 /* this is the power led */
+#define GREEN_LED AT91_PIN_PA6 /* this is the user led */
+
+void red_LED_on(void)
+{
+ at91_set_gpio_value(RED_LED, 1);
+}
+
+void red_LED_off(void)
+{
+ at91_set_gpio_value(RED_LED, 0);
+}
+
+void green_LED_on(void)
+{
+ at91_set_gpio_value(GREEN_LED, 0);
+}
+
+void green_LED_off(void)
+{
+ at91_set_gpio_value(GREEN_LED, 1);
+}
+
+void coloured_LED_init(void)
+{
+ /* Enable clock */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOA);
+
+ at91_set_gpio_output(RED_LED, 1);
+ at91_set_gpio_output(GREEN_LED, 1);
+
+ at91_set_gpio_value(RED_LED, 0);
+ at91_set_gpio_value(GREEN_LED, 1);
+}
diff --git a/board/atmel/at91sam9g20ek/nand.c b/board/atmel/at91sam9g20ek/nand.c
new file mode 100644
index 0000000..6df8146
--- /dev/null
+++ b/board/atmel/at91sam9g20ek/nand.c
@@ -0,0 +1,78 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * (C) Copyright 2006 ATMEL Rousset, Lacressonniere Nicolas
+ *
+ * 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/arch/at91sam9260.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91_pio.h>
+
+#include <nand.h>
+
+/*
+ * hardware specific access to control-lines
+ */
+#define MASK_ALE (1 << 21) /* our ALE is AD21 */
+#define MASK_CLE (1 << 22) /* our CLE is AD22 */
+
+static void at91sam9g20ek_nand_hwcontrol(struct mtd_info *mtd,
+ int cmd, unsigned int ctrl)
+{
+ struct nand_chip *this = mtd->priv;
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+ ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
+ IO_ADDR_W &= ~(MASK_ALE | MASK_CLE);
+
+ if (ctrl & NAND_CLE)
+ IO_ADDR_W |= MASK_CLE;
+ if (ctrl & NAND_ALE)
+ IO_ADDR_W |= MASK_ALE;
+
+ at91_set_gpio_value(AT91_PIN_PC14, !(ctrl & NAND_NCE));
+ this->IO_ADDR_W = (void *) IO_ADDR_W;
+ }
+
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, this->IO_ADDR_W);
+}
+
+static int at91sam9g20ek_nand_ready(struct mtd_info *mtd)
+{
+ return at91_get_gpio_value(AT91_PIN_PC13);
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+ nand->ecc.mode = NAND_ECC_SOFT;
+#ifdef CONFIG_SYS_NAND_DBW_16
+ nand->options = NAND_BUSWIDTH_16;
+#endif
+ nand->cmd_ctrl = at91sam9g20ek_nand_hwcontrol;
+ nand->dev_ready = at91sam9g20ek_nand_ready;
+ nand->chip_delay = 20;
+
+ return 0;
+}
diff --git a/board/atmel/at91sam9g20ek/partition.c b/board/atmel/at91sam9g20ek/partition.c
new file mode 100644
index 0000000..2629c67
--- /dev/null
+++ b/board/atmel/at91sam9g20ek/partition.c
@@ -0,0 +1,40 @@
+/*
+ * (C) Copyright 2008
+ * Ulf Samuelsson <ulf@atmel.com>
+ *
+ * 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 <config.h>
+#include <asm/hardware.h>
+#include <dataflash.h>
+
+AT91S_DATAFLASH_INFO dataflash_info[CONFIG_SYS_MAX_DATAFLASH_BANKS];
+
+struct dataflash_addr cs[CONFIG_SYS_MAX_DATAFLASH_BANKS] = {
+ {CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0, 0}, /* Logical adress, CS */
+ {CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1, 1}
+};
+
+/*define the area offsets*/
+dataflash_protect_t area_list[NB_DATAFLASH_AREA] = {
+ {0x00000000, 0x000041FF, FLAG_PROTECT_SET, 0, "Bootstrap"},
+ {0x00004200, 0x000083FF, FLAG_PROTECT_CLEAR, 0, "Environment"},
+ {0x00008400, 0x00041FFF, FLAG_PROTECT_SET, 0, "U-Boot"},
+ {0x00042000, 0x00251FFF, FLAG_PROTECT_CLEAR, 0, "Kernel"},
+ {0x00252000, 0xFFFFFFFF, FLAG_PROTECT_CLEAR, 0, "FS"},
+};
diff --git a/cpu/arm926ejs/at91/usb.c b/cpu/arm926ejs/at91/usb.c
index a15ab16..7c44ad0 100644
--- a/cpu/arm926ejs/at91/usb.c
+++ b/cpu/arm926ejs/at91/usb.c
@@ -33,7 +33,7 @@ int usb_cpu_init(void)
{

#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
- defined(CONFIG_AT91SAM9263)
+ defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
/* Enable PLLB */
at91_sys_write(AT91_CKGR_PLLBR, CONFIG_SYS_AT91_PLLB);
while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
@@ -62,7 +62,7 @@ int usb_cpu_stop(void)
#endif

#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
- defined(CONFIG_AT91SAM9263)
+ defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
/* Disable PLLB */
at91_sys_write(AT91_CKGR_PLLBR, 0);
while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != 0)
diff --git a/doc/README.at91 b/doc/README.at91
index c666d82..f1ea8f3 100644
--- a/doc/README.at91
+++ b/doc/README.at91
@@ -4,7 +4,7 @@ http://atmel.com/dyn/products/tools.asp?family_id=605#1443

I. Board mapping & boot media
------------------------------------------------------------------------------
-AT91SAM9260EK & AT91SAM9XEEK
+AT91SAM9260EK, AT91SAM9G20EK & AT91SAM9XEEK
------------------------------------------------------------------------------

Memory map
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index af0409b..6de0a04 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -447,14 +447,14 @@ static int macb_init(struct eth_device *netdev, bd_t *bd)
/* choose RMII or MII mode. This depends on the board */
#ifdef CONFIG_RMII
#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
- defined(CONFIG_AT91SAM9263)
+ defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
macb_writel(macb, USRIO, MACB_BIT(RMII) | MACB_BIT(CLKEN));
#else
macb_writel(macb, USRIO, 0);
#endif
#else
#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
- defined(CONFIG_AT91SAM9263)
+ defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
macb_writel(macb, USRIO, MACB_BIT(CLKEN));
#else
macb_writel(macb, USRIO, MACB_BIT(MII));
diff --git a/include/asm-arm/arch-at91/hardware.h b/include/asm-arm/arch-at91/hardware.h
index b881e4e..4f0e1a7 100644
--- a/include/asm-arm/arch-at91/hardware.h
+++ b/include/asm-arm/arch-at91/hardware.h
@@ -18,7 +18,7 @@

#if defined(CONFIG_AT91RM9200)
#include <asm/arch/at91rm9200.h>
-#elif defined(CONFIG_AT91SAM9260)
+#elif defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9G20)
#include <asm/arch/at91sam9260.h>
#define AT91_BASE_SPI AT91SAM9260_BASE_SPI0
#define AT91_ID_UHP AT91SAM9260_ID_UHP
diff --git a/include/configs/at91sam9g20ek.h b/include/configs/at91sam9g20ek.h
new file mode 100644
index 0000000..9f350e5
--- /dev/null
+++ b/include/configs/at91sam9g20ek.h
@@ -0,0 +1,201 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * Configuation settings for the AT91SAM9G20EK board.
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* ARM asynchronous clock */
+#define AT91_CPU_NAME "AT91SAM9G20"
+#define AT91_MAIN_CLOCK 396288000 /* 18.432 MHz crystal */
+#define AT91_MASTER_CLOCK 132096000 /* peripheral = main / 3 */
+#define AT91_CPU_CLOCK 400000000 /* cpu */
+#define CONFIG_SYS_AT91_PLLB 0x10193f05 /* PLLB settings for USB */
+#define CONFIG_SYS_HZ 1000000 /* 1us resolution */
+
+#define AT91_SLOW_CLOCK 32768 /* slow clock */
+
+#define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */
+#define CONFIG_AT91SAM9G20 1 /* It's an Atmel AT91SAM9G20 SoC*/
+#define CONFIG_AT91SAM9G20EK 1 /* on an AT91SAM9G20EK Board */
+#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
+
+#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG 1
+
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SKIP_RELOCATE_UBOOT
+
+/*
+ * Hardware drivers
+ */
+#define CONFIG_ATMEL_USART 1
+#undef CONFIG_USART0
+#undef CONFIG_USART1
+#undef CONFIG_USART2
+#define CONFIG_USART3 1 /* USART 3 is DBGU */
+
+#define CONFIG_BOOTDELAY 3
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE 1
+#define CONFIG_BOOTP_BOOTPATH 1
+#define CONFIG_BOOTP_GATEWAY 1
+#define CONFIG_BOOTP_HOSTNAME 1
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+#undef CONFIG_CMD_BDI
+#undef CONFIG_CMD_IMI
+#undef CONFIG_CMD_AUTOSCRIPT
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_LOADS
+#undef CONFIG_CMD_IMLS
+
+#define CONFIG_CMD_PING 1
+#define CONFIG_CMD_DHCP 1
+#define CONFIG_CMD_NAND 1
+#define CONFIG_CMD_USB 1
+
+/* SDRAM */
+#define CONFIG_NR_DRAM_BANKS 1
+#define PHYS_SDRAM 0x20000000
+#define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */
+
+/* DataFlash */
+#define CONFIG_HAS_DATAFLASH 1
+#define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ)
+#define CONFIG_SYS_MAX_DATAFLASH_BANKS 2
+#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
+#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */
+#define AT91_SPI_CLK 15000000
+#define DATAFLASH_TCSS (0x22 << 16)
+#define DATAFLASH_TCHS (0x1 << 24)
+
+/* NAND flash */
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+#define CONFIG_SYS_NAND_BASE 0x40000000
+#define CONFIG_SYS_NAND_DBW_8 1
+
+/* NOR flash - no real flash on this board */
+#define CONFIG_SYS_NO_FLASH 1
+
+/* Ethernet */
+#define CONFIG_MACB 1
+#define CONFIG_RMII 1
+#define CONFIG_NET_MULTI 1
+#define CONFIG_NET_RETRY_COUNT 20
+#define CONFIG_RESET_PHY_R 1
+
+#include <asm/arch/hardware.h>
+/* USB */
+#define CONFIG_USB_OHCI_NEW 1
+#define CONFIG_DOS_PARTITION 1
+#define CONFIG_SYS_USB_OHCI_CPU_INIT 1
+#define CONFIG_SYS_USB_OHCI_REGS_BASE AT91SAM9260_UHP_BASE
+#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9g20"
+#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
+#define CONFIG_USB_STORAGE 1
+#define CONFIG_CMD_FAT 1
+
+#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
+
+#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM
+#define CONFIG_SYS_MEMTEST_END 0x23e00000
+
+#ifdef CONFIG_SYS_USE_DATAFLASH_CS0
+
+/* bootstrap + u-boot + env + linux in dataflash on CS0 */
+#define CONFIG_ENV_IS_IN_DATAFLASH 1
+#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
+#define CONFIG_ENV_OFFSET 0x4200
+#define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_SIZE 0x4200
+#define CONFIG_BOOTCOMMAND "cp.b 0xC0042000 0x22000000 0x210000; bootm"
+#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
+ "root=/dev/mtdblock0 " \
+ "mtdparts=at91_nand:-(root) " \
+ "rw rootfstype=jffs2"
+
+#elif CONFIG_SYS_USE_DATAFLASH_CS1
+
+/* bootstrap + u-boot + env + linux in dataflash on CS1 */
+#define CONFIG_ENV_IS_IN_DATAFLASH 1
+#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
+#define CONFIG_ENV_OFFSET 0x4200
+#define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_SIZE 0x4200
+#define CONFIG_BOOTCOMMAND "cp.b 0xD0042000 0x22000000 0x210000; bootm"
+#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
+ "root=/dev/mtdblock0 " \
+ "mtdparts=at91_nand:-(root) " \
+ "rw rootfstype=jffs2"
+
+#else /* CONFIG_SYS_USE_NANDFLASH */
+
+/* bootstrap + u-boot + env + linux in nandflash */
+#define CONFIG_ENV_IS_IN_NAND 1
+#define CONFIG_ENV_OFFSET 0x60000
+#define CONFIG_ENV_OFFSET_REDUND 0x80000
+#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
+#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0xA0000 0x200000; bootm"
+#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
+ "root=/dev/mtdblock5 " \
+ "mtdparts=at91_nand:128k(bootstrap)ro," \
+ "256k(uboot)ro,128k(env1)ro," \
+ "128k(env2)ro,2M(linux),-(root) " \
+ "rw rootfstype=jffs2"
+
+#endif
+
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
+
+#define CONFIG_SYS_PROMPT "U-Boot> "
+#define CONFIG_SYS_CBSIZE 256
+#define CONFIG_SYS_MAXARGS 16
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_LONGHELP 1
+#define CONFIG_CMDLINE_EDITING 1
+
+#define ROUND(A, B) (((A) + (B)) & ~((B) - 1))
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
+#define CONFIG_SYS_GBL_DATA_SIZE 128 /* 128 bytes for initial data */
+
+#define CONFIG_STACKSIZE (32*1024) /* regular stack */
+
+#ifdef CONFIG_USE_IRQ
+#error CONFIG_USE_IRQ not supported
+#endif
+
+#endif
--
1.5.3.7