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@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