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authorStelian Pop <stelian@popies.net>2008-05-08 18:52:25 +0200
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2008-05-10 11:35:23 +0200
commit2118ebb44dc40f8117c94950fd95799a9ef821b2 (patch)
treea591d32c0b42243801e38591dad630048ad3fa12 /board/atmel/at91sam9rlek
parent8e429b3eee23927c1222679f6b6f53667b21595c (diff)
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AT91SAM9RLEK support
This patch adds support for the AT91SAM9RL chip and the AT91SAM9RLEK board. Signed-off-by: Stelian Pop <stelian@popies.net> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'board/atmel/at91sam9rlek')
-rw-r--r--board/atmel/at91sam9rlek/Makefile57
-rw-r--r--board/atmel/at91sam9rlek/at91sam9rlek.c152
-rw-r--r--board/atmel/at91sam9rlek/config.mk1
-rw-r--r--board/atmel/at91sam9rlek/led.c77
-rw-r--r--board/atmel/at91sam9rlek/nand.c79
-rw-r--r--board/atmel/at91sam9rlek/partition.c39
6 files changed, 405 insertions, 0 deletions
diff --git a/board/atmel/at91sam9rlek/Makefile b/board/atmel/at91sam9rlek/Makefile
new file mode 100644
index 0000000..a86a926
--- /dev/null
+++ b/board/atmel/at91sam9rlek/Makefile
@@ -0,0 +1,57 @@
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd@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 += at91sam9rlek.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 .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/atmel/at91sam9rlek/at91sam9rlek.c b/board/atmel/at91sam9rlek/at91sam9rlek.c
new file mode 100644
index 0000000..8deecfd
--- /dev/null
+++ b/board/atmel/at91sam9rlek/at91sam9rlek.c
@@ -0,0 +1,152 @@
+/*
+ * (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/at91sam9rl.h>
+#include <asm/arch/at91sam9rl_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>
+#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
+#include <net.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+static void at91sam9rlek_serial_hw_init(void)
+{
+#ifdef CONFIG_USART0
+ at91_set_A_periph(AT91_PIN_PA6, 1); /* TXD0 */
+ at91_set_A_periph(AT91_PIN_PA7, 0); /* RXD0 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US0);
+#endif
+
+#ifdef CONFIG_USART1
+ at91_set_A_periph(AT91_PIN_PA11, 1); /* TXD1 */
+ at91_set_A_periph(AT91_PIN_PA12, 0); /* RXD1 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US1);
+#endif
+
+#ifdef CONFIG_USART2
+ at91_set_A_periph(AT91_PIN_PA13, 1); /* TXD2 */
+ at91_set_A_periph(AT91_PIN_PA14, 0); /* RXD2 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US2);
+#endif
+
+#ifdef CONFIG_USART3 /* DBGU */
+ at91_set_A_periph(AT91_PIN_PA21, 0); /* DRXD */
+ at91_set_A_periph(AT91_PIN_PA22, 1); /* DTXD */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
+#endif
+}
+
+#ifdef CONFIG_CMD_NAND
+static void at91sam9rlek_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_(0) | AT91_SMC_NCS_WRSETUP_(0) |
+ AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
+ at91_sys_write(AT91_SMC_PULSE(3),
+ AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5) |
+ AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5));
+ 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 CFG_NAND_DBW_16
+ AT91_SMC_DBW_16 |
+#else /* CFG_NAND_DBW_8 */
+ AT91_SMC_DBW_8 |
+#endif
+ AT91_SMC_TDF_(1));
+
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_PIOD);
+
+ /* Configure RDY/BSY */
+ at91_set_gpio_input(AT91_PIN_PD17, 1);
+
+ /* Enable NandFlash */
+ at91_set_gpio_output(AT91_PIN_PB6, 1);
+
+ at91_set_A_periph(AT91_PIN_PB4, 0); /* NANDOE */
+ at91_set_A_periph(AT91_PIN_PB5, 0); /* NANDWE */
+}
+#endif
+
+#ifdef CONFIG_HAS_DATAFLASH
+static void at91sam9rlek_spi_hw_init(void)
+{
+ at91_set_A_periph(AT91_PIN_PA28, 0); /* SPI0_NPCS0 */
+
+ at91_set_A_periph(AT91_PIN_PA25, 0); /* SPI0_MISO */
+ at91_set_A_periph(AT91_PIN_PA26, 0); /* SPI0_MOSI */
+ at91_set_A_periph(AT91_PIN_PA27, 0); /* SPI0_SPCK */
+
+ /* Enable clock */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_SPI);
+}
+#endif
+
+int board_init(void)
+{
+ /* Enable Ctrlc */
+ console_init_f();
+
+ /* arch number of AT91SAM9RLEK-Board */
+ gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK;
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ at91sam9rlek_serial_hw_init();
+#ifdef CONFIG_CMD_NAND
+ at91sam9rlek_nand_hw_init();
+#endif
+#ifdef CONFIG_HAS_DATAFLASH
+ at91sam9rlek_spi_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;
+}
diff --git a/board/atmel/at91sam9rlek/config.mk b/board/atmel/at91sam9rlek/config.mk
new file mode 100644
index 0000000..ff2cfd1
--- /dev/null
+++ b/board/atmel/at91sam9rlek/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0x23f00000
diff --git a/board/atmel/at91sam9rlek/led.c b/board/atmel/at91sam9rlek/led.c
new file mode 100644
index 0000000..8a7d8e0
--- /dev/null
+++ b/board/atmel/at91sam9rlek/led.c
@@ -0,0 +1,77 @@
+/*
+ * (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/at91sam9rl.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+
+#define RED_LED AT91_PIN_PD14 /* this is the power led */
+#define GREEN_LED AT91_PIN_PD15 /* this is the user1 led */
+#define YELLOW_LED AT91_PIN_PD16 /* this is the user2 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 yellow_LED_on(void)
+{
+ at91_set_gpio_value(YELLOW_LED, 0);
+}
+
+void yellow_LED_off(void)
+{
+ at91_set_gpio_value(YELLOW_LED, 1);
+}
+
+void coloured_LED_init(void)
+{
+ /* Enable clock */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_PIOD);
+
+ at91_set_gpio_output(RED_LED, 1);
+ at91_set_gpio_output(GREEN_LED, 1);
+ at91_set_gpio_output(YELLOW_LED, 1);
+
+ at91_set_gpio_value(RED_LED, 0);
+ at91_set_gpio_value(GREEN_LED, 1);
+ at91_set_gpio_value(YELLOW_LED, 1);
+}
diff --git a/board/atmel/at91sam9rlek/nand.c b/board/atmel/at91sam9rlek/nand.c
new file mode 100644
index 0000000..5af1a31
--- /dev/null
+++ b/board/atmel/at91sam9rlek/nand.c
@@ -0,0 +1,79 @@
+/*
+ * (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/at91sam9rl.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 at91sam9rlek_nand_hwcontrol(struct mtd_info *mtd, int cmd)
+{
+ struct nand_chip *this = mtd->priv;
+ ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
+
+ IO_ADDR_W &= ~(MASK_ALE|MASK_CLE);
+ switch (cmd) {
+ case NAND_CTL_SETCLE:
+ IO_ADDR_W |= MASK_CLE;
+ break;
+ case NAND_CTL_SETALE:
+ IO_ADDR_W |= MASK_ALE;
+ break;
+ case NAND_CTL_CLRNCE:
+ at91_set_gpio_value(AT91_PIN_PB6, 1);
+ break;
+ case NAND_CTL_SETNCE:
+ at91_set_gpio_value(AT91_PIN_PB6, 0);
+ break;
+ }
+ this->IO_ADDR_W = (void *) IO_ADDR_W;
+}
+
+static int at91sam9rlek_nand_ready(struct mtd_info *mtd)
+{
+ return at91_get_gpio_value(AT91_PIN_PD17);
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+ nand->eccmode = NAND_ECC_SOFT;
+#ifdef CFG_NAND_DBW_16
+ nand->options = NAND_BUSWIDTH_16;
+#endif
+ nand->hwcontrol = at91sam9rlek_nand_hwcontrol;
+ nand->dev_ready = at91sam9rlek_nand_ready;
+ nand->chip_delay = 20;
+
+ return 0;
+}
diff --git a/board/atmel/at91sam9rlek/partition.c b/board/atmel/at91sam9rlek/partition.c
new file mode 100644
index 0000000..eb1a724
--- /dev/null
+++ b/board/atmel/at91sam9rlek/partition.c
@@ -0,0 +1,39 @@
+/*
+ * (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[CFG_MAX_DATAFLASH_BANKS];
+
+struct dataflash_addr cs[CFG_MAX_DATAFLASH_BANKS] = {
+ {CFG_DATAFLASH_LOGIC_ADDR_CS0, 0}, /* Logical adress, CS */
+};
+
+/*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"},
+};