From: Reinhard Meyer info@emk-elektronik.de
Adds support for the EMK TOP9000 CPU Module which is based on ATMELs ARM926EJS AT91SAM9XE SoC.
Signed-off-by: Reinhard Meyer u-boot@emk-elektronik.de --- MAINTAINERS | 3 +- board/emk/top9000/Makefile | 54 ++++++++ board/emk/top9000/spi.c | 61 +++++++++ board/emk/top9000/top9000.c | 290 +++++++++++++++++++++++++++++++++++++++ boards.cfg | 2 + include/configs/top9000.h | 314 +++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 723 insertions(+), 1 deletions(-) create mode 100644 board/emk/top9000/Makefile create mode 100644 board/emk/top9000/spi.c create mode 100644 board/emk/top9000/top9000.c create mode 100644 include/configs/top9000.h
diff --git a/MAINTAINERS b/MAINTAINERS index 9258cb1..ccece74 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -310,10 +310,11 @@ Tirumala Marri tmarri@apm.com
bluestone APM821XX
-Reinhard Meyer r.meyer@emk-elektronik.de +Reinhard Meyer reinhard.meyer@emk-elektronik.de
TOP860 MPC860T TOP5200 MPC5200 + TOP9000 ARM926EJS (AT91SAM9xxx SoC)
Tolunay Orkun torkun@nextio.com
diff --git a/board/emk/top9000/Makefile b/board/emk/top9000/Makefile new file mode 100644 index 0000000..9b28048 --- /dev/null +++ b/board/emk/top9000/Makefile @@ -0,0 +1,54 @@ +# +# (C) Copyright 2003-2008 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# (C) Copyright 2010 +# Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de +# +# 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 += top9000.o +COBJS-$(CONFIG_ATMEL_SPI) += spi.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/emk/top9000/spi.c b/board/emk/top9000/spi.c new file mode 100644 index 0000000..b468948 --- /dev/null +++ b/board/emk/top9000/spi.c @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2010 + * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de + * + * 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/hardware.h> +#include <asm/arch/at91_spi.h> +#include <asm/arch/gpio.h> +#include <spi.h> + +static const struct { + u32 port; + u32 bit; +} cs_to_portbit[2][4] = { + {{AT91_PIO_PORTA, 3}, {AT91_PIO_PORTC, 11}, + {AT91_PIO_PORTC, 16}, {AT91_PIO_PORTC, 17} }, + {{AT91_PIO_PORTB, 3}, {AT91_PIO_PORTC, 5}, + {AT91_PIO_PORTC, 4}, {AT91_PIO_PORTC, 3} } +}; + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + debug("spi_cs_is_valid: bus=%u cs=%u\n", bus, cs); + if (bus < 2 && cs < 4) + return 1; + return 0; +} + +void spi_cs_activate(struct spi_slave *slave) +{ + debug("spi_cs_activate: bus=%u cs=%u\n", slave->bus, slave->cs); + at91_set_pio_output(cs_to_portbit[slave->bus][slave->cs].port, + cs_to_portbit[slave->bus][slave->cs].bit, 0); +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + debug("spi_cs_deactivate: bus=%u cs=%u\n", slave->bus, slave->cs); + at91_set_pio_output(cs_to_portbit[slave->bus][slave->cs].port, + cs_to_portbit[slave->bus][slave->cs].bit, 1); +} + diff --git a/board/emk/top9000/top9000.c b/board/emk/top9000/top9000.c new file mode 100644 index 0000000..b0fe2d6 --- /dev/null +++ b/board/emk/top9000/top9000.c @@ -0,0 +1,290 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop stelian.pop@leadtechdesign.com + * Lead Tech Design <www.leadtechdesign.com> + * + * (C) Copyright 2010 + * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de + * + * 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 <net.h> +#include <netdev.h> +#include <mmc.h> +#include <i2c.h> +#include <spi.h> +#include <asm/arch/at91sam9260.h> +#include <asm/arch/at91sam9260_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/at91_shdwn.h> +#include <asm/arch/gpio.h> +#include <asm/arch/io.h> +#include <asm/arch/hardware.h> + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_CMD_NAND +static void 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_(1) | AT91_SMC_NCS_WRSETUP_(0) | + AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0)); + at91_sys_write(AT91_SMC_PULSE(3), + AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) | + AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); + at91_sys_write(AT91_SMC_CYCLE(3), + AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); + at91_sys_write(AT91_SMC_MODE(3), + AT91_SMC_READMODE | AT91_SMC_WRITEMODE | + AT91_SMC_EXNWMODE_DISABLE | + AT91_SMC_DBW_8 | + AT91_SMC_TDF_(2)); + + /* 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); +} +#endif + +#ifdef CONFIG_MACB +static void macb_hw_init(void) +{ + /* Enable EMAC clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_EMAC); + + /* Initialize EMAC=MACB hardware */ + at91_macb_hw_init(); +} +#endif + +#ifdef CONFIG_GENERIC_ATMEL_MCI +/* this is a weak define that we are overriding */ +int board_mmc_init(bd_t *bd) +{ + /* Enable MCI clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_MCI); + + /* Initialize MCI hardware */ + at91_mci_hw_init(); + + /* This calls the atmel_mmc_init in gen_atmel_mci.c */ + return atmel_mci_init((void *)AT91_BASE_MCI); +} + +/* this is a weak define that we are overriding */ +int board_mmc_getcd(u8 *cd, struct mmc *mmc) +{ + /* + * the only currently existing use of this function + * (fsl_esdhc.c) suggests this function must return + * *cs = TRUE if a card is NOT detected -> in most + * cases the value of the pin when the detect switch + * closes to GND + */ + *cd = at91_get_gpio_value(CONFIG_SYS_MMC_CD_PIN) ? 1 : 0; + return 0; +} + +#endif + +int board_early_init_f(void) +{ + at91_shdwn_t *shdwn = (at91_shdwn_t *)AT91_SHDWN_BASE; + + /* + * make sure the board can be powered on by + * any transition on WKUP + */ + writel(AT91_SHDW_MR_WKMODE0H2L | AT91_SHDW_MR_WKMODE0L2H, + &shdwn->mr); + + /* Enable clocks for all PIOs */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOA); + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOB); + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOC); + + /* set SCL0 and SDA0 to open drain */ + at91_set_pio_output(I2C0_PORT, SCL0_PIN, 1); + at91_set_pio_multi_drive(I2C0_PORT, SCL0_PIN, 1); + at91_set_pio_pullup(I2C0_PORT, SCL0_PIN, 1); + at91_set_pio_output(I2C0_PORT, SDA0_PIN, 1); + at91_set_pio_multi_drive(I2C0_PORT, SDA0_PIN, 1); + at91_set_pio_pullup(I2C0_PORT, SDA0_PIN, 1); + + /* set SCL1 and SDA1 to open drain */ + at91_set_pio_output(I2C1_PORT, SCL1_PIN, 1); + at91_set_pio_multi_drive(I2C1_PORT, SCL1_PIN, 1); + at91_set_pio_pullup(I2C1_PORT, SCL1_PIN, 1); + at91_set_pio_output(I2C1_PORT, SDA1_PIN, 1); + at91_set_pio_multi_drive(I2C1_PORT, SDA1_PIN, 1); + at91_set_pio_pullup(I2C1_PORT, SDA1_PIN, 1); + return 0; +} + +int board_init(void) +{ + /* arch number of TOP9000 Board */ + gd->bd->bi_arch_number = MACH_TYPE_TOP9000; + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + + at91_serial_hw_init(); +#ifdef CONFIG_CMD_NAND + nand_hw_init(); +#endif +#ifdef CONFIG_MACB + macb_hw_init(); +#endif +#ifdef CONFIG_ATMEL_SPI0 + /* (n+4) denotes to use nSPISEL(0) in GPIO mode! */ + at91_spi0_hw_init(1 << (FRAM_CS_NUM + 4)); +#endif +#ifdef CONFIG_ATMEL_SPI1 + at91_spi1_hw_init(1 << (ENC_CS_NUM + 4)); +#endif + return 0; +} + +#ifdef CONFIG_MISC_INIT_R +int misc_init_r(void) +{ + /* read 'factory' part of EEPROM */ + read_factory_r(); + return 0; +} +#endif + +int dram_init(void) +{ + gd->ram_size = get_ram_size( + (void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} + +#ifdef CONFIG_RESET_PHY_R +void reset_phy(void) +{ + /* + * Initialize ethernet HW addresses prior to starting Linux, + * needed for nfsroot. + * TODO: We need to investigate if that is really necessary. + */ + eth_init(gd->bd); +} +#endif + +int board_eth_init(bd_t *bis) +{ + int rc = 0; + int num = 0; +#ifdef CONFIG_MACB + rc = macb_eth_initialize(0, + (void *)AT91_EMAC_BASE, + CONFIG_SYS_PHY_ID); + if (!rc) + num++; +#endif +#ifdef CONFIG_ENC28J60 + rc = enc28j60_initialize(ENC_SPI_BUS, ENC_CS_NUM, + ENC_SPI_CLOCK, SPI_MODE_0); + if (!rc) + num++; +# ifdef CONFIG_ENC28J60_2 + rc = enc28j60_initialize(ENC_SPI_BUS, ENC_CS_NUM+1, + ENC_SPI_CLOCK, SPI_MODE_0); + if (!rc) + num++; +# ifdef CONFIG_ENC28J60_3 + rc = enc28j60_initialize(ENC_SPI_BUS, ENC_CS_NUM+2, + ENC_SPI_CLOCK, SPI_MODE_0); + if (!rc) + num++; +# endif +# endif +#endif + return num; +} + +/* + * I2C access functions + * + * Note: + * We need to access Bus 0 before relocation to access the + * environment settings. + * However i2c_get_bus_num() cannot be called before + * relocation. + */ +#ifdef CONFIG_SOFT_I2C +void iic_init(void) +{ + /* ports are now initialized in board_early_init_f() */ +} + +int iic_read(void) +{ + switch ((gd->flags & GD_FLG_RELOC) ? i2c_get_bus_num() : 0) { + case 0: + return at91_get_pio_value(I2C0_PORT, SDA0_PIN); + case 1: + return at91_get_pio_value(I2C1_PORT, SDA1_PIN); + } + return 1; +} + +void iic_sda(int bit) +{ + switch ((gd->flags & GD_FLG_RELOC) ? i2c_get_bus_num() : 0) { + case 0: + at91_set_pio_value(I2C0_PORT, SDA0_PIN, bit); + break; + case 1: + at91_set_pio_value(I2C1_PORT, SDA1_PIN, bit); + break; + } +} + +void iic_scl(int bit) +{ + switch ((gd->flags & GD_FLG_RELOC) ? i2c_get_bus_num() : 0) { + case 0: + at91_set_pio_value(I2C0_PORT, SCL0_PIN, bit); + break; + case 1: + at91_set_pio_value(I2C1_PORT, SCL1_PIN, bit); + break; + } +} + +#endif diff --git a/boards.cfg b/boards.cfg index 6c2a667..7373a6e 100644 --- a/boards.cfg +++ b/boards.cfg @@ -47,6 +47,8 @@ cm4008 arm arm920t - - ks8695 cm41xx arm arm920t - - ks8695 VCMA9 arm arm920t vcma9 mpl s3c24x0 netstar arm arm925t +top9000eval_xe arm arm926ejs top9000 emk at91 top9000:EVAL9000 +top9000su_xe arm arm926ejs top9000 emk at91 top9000:SU9000 meesc arm arm926ejs - esd at91 otc570 arm arm926ejs - esd at91 pm9261 arm arm926ejs - ronetix at91 diff --git a/include/configs/top9000.h b/include/configs/top9000.h new file mode 100644 index 0000000..ff3933b --- /dev/null +++ b/include/configs/top9000.h @@ -0,0 +1,314 @@ +/* + * (C) Copyright 2010 + * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de + * + * Configuation settings for the TOP9000 CPU module with AT91SAM9XE. + * + * 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 + */ +/* + * top9000 with at91sam9xe256 or at91sam9xe512 + * + * Initial Bootloader is in embedded flash. + * Vital Product Data, U-Boot Environment are in I2C-EEPROM. + * U-Boot is in embedded flash, a backup U-Boot can be in NAND flash. + * kernel and file system are either in NAND flash or on a micro SD card. + * NAND flash is optional. + * I2C EEPROM is never optional. + * SPI FRAM is optional. + * SPI ENC28J60 is optional. + * 16 or 32 bit wide SDRAM. + */ +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * Warning: changing CONFIG_SYS_TEXT_BASE requires + * adapting the initial boot program + */ +#define CONFIG_SYS_TEXT_BASE 0x21f00000 /* 31 MB into RAM */ + +/* Command line configuration */ +#include <config_cmd_default.h> +#undef CONFIG_CMD_FPGA +#undef CONFIG_CMD_SETGETDCR +#undef CONFIG_CMD_XIMG +#define CONFIG_CMD_ASKENV +#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_PROMPT "TOP9000> " +#define CONFIG_SYS_LONGHELP +#define CONFIG_CMDLINE_EDITING +#define CONFIG_CMD_BDI +#define CONFIG_CMD_CACHE + +/* ARM asynchronous clock */ +#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432 MHz xtal */ +#define CONFIG_SYS_HZ 1000 + +/* SoC */ +#define CONFIG_ARM926EJS /* ARM926EJS Core */ +#define CONFIG_AT91FAMILY /* it's a member of AT91 */ +#define CONFIG_AT91SAM9260 /* Atmel AT91SAM9260 based SoC */ +#define CONFIG_AT91SAM9XE + +/* Misc CPU related */ +#define CONFIG_AT91_LEGACY +#define CONFIG_ARCH_CPU_INIT +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ +#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_INITRD_TAG +#define CONFIG_SKIP_LOWLEVEL_INIT +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_AT91RESET_EXTRST /* assert external reset */ + +/* general purpose I/O */ +#define CONFIG_AT91_GPIO +#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ + +/* serial console */ +#define CONFIG_ATMEL_USART +#define CONFIG_USART3 /* USART 3 is DBGU !!! */ +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } + +/* SD/MMC card */ +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_GENERIC_ATMEL_MCI +#define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9 +#define CONFIG_CMD_MMC + +/* Ethernet */ +#define CONFIG_MACB +#define CONFIG_SYS_PHY_ID 1 +#define CONFIG_RMII +#define CONFIG_NET_MULTI +#define CONFIG_NET_RETRY_COUNT 20 + +/* real time clock */ +#define CONFIG_RTC_AT91SAM9_RTT +#define CONFIG_CMD_DATE + +#if defined(CONFIG_AT91SAM9XE) +/* + * NOR flash - use embedded flash of SAM9XE256/512 + * U-Boot will not fit into 128K ! + * 2010.09 will not fit into 256K with all options enabled ! + * + * Layout: + * 16kB 1st Bootloader + * Rest U-Boot + * the first sector (16kB) of EFLASH cannot be unprotected + * with u-boot commands + */ +# define CONFIG_AT91_EFLASH +# define CONFIG_SYS_FLASH_BASE 0x200000 +# define CONFIG_SYS_MAX_FLASH_SECT 32 +# define CONFIG_SYS_MAX_FLASH_BANKS 1 +# define CONFIG_SYS_FLASH_PROTECTION +# define CONFIG_EFLASH_PROTSECTORS 1 /* protect first sector */ +#endif + +/* SPI */ +#define CONFIG_ATMEL_SPI +#define CONFIG_CMD_SPI + +/* RAMTRON FRAM */ +#define CONFIG_CMD_SF +#define CONFIG_ATMEL_SPI0 /* SPI used for FRAM is SPI0 */ +#define FRAM_SPI_BUS 0 +#define FRAM_CS_NUM 0 +#define CONFIG_SPI_FLASH /* RAMTRON FRAM on SPI bus */ +#define CONFIG_SPI_FRAM_RAMTRON +#define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */ +#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 +#define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC "FM25H20" + +/* Microchip ENC28J60 (second LAN) */ +#if defined(CONFIG_EVAL9000) +# define CONFIG_ENC28J60 +# define CONFIG_ATMEL_SPI1 /* SPI used for ENC28J60 is SPI1 */ +# define ENC_SPI_BUS 1 +# define ENC_CS_NUM 0 +# define ENC_SPI_CLOCK 1000000 +#endif /* CONFIG_EVAL9000 */ + +/* + * SDRAM: 1 bank, min 32, max 128 MB + * Initialized before u-boot gets started. + */ +#define CONFIG_NR_DRAM_BANKS 1 +#define CONFIG_SYS_SDRAM_BASE 0x20000000 +#define CONFIG_SYS_SDRAM_SIZE 0x08000000 +#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE +#define CONFIG_SYS_MEMTEST_END 0x21e00000 +#define CONFIG_SYS_LOAD_ADDR \ + (CONFIG_SYS_SDRAM_BASE + 0x01000000) +/* + * Initial stack pointer: 16k - GENERATED_GBL_DATA_SIZE in internal SRAM, + * leaving the correct space for initial global data structure above + * that address while providing maximum stack area below. + */ +#define CONFIG_SYS_INIT_SP_ADDR \ + (0x00300000 + 0x4000 - GENERATED_GBL_DATA_SIZE) + +/* + * NAND flash: 256 MB (optional) + * + * Layout: + * 640kB: u-boot (includes space for spare sectors, handled by + * initial loader) + * 2MB: kernel + * rest: file system + */ +#define CONFIG_NAND_ATMEL +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_SYS_NAND_BASE 0x40000000 +#define CONFIG_SYS_NAND_DBW_8 +#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) +#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) +#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 +#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 +#define CONFIG_CMD_NAND + +/* USB */ +#define CONFIG_USB_ATMEL +#define CONFIG_USB_OHCI_NEW +#define CONFIG_DOS_PARTITION +#define CONFIG_SYS_USB_OHCI_CPU_INIT +#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 +#define CONFIG_SYS_USB_OHCI_SLOT_NAME "top9000" +#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 +#define CONFIG_USB_STORAGE +#define CONFIG_CMD_USB + +/* I2C support must always be enabled */ +#define CONFIG_SOFT_I2C +#define CONFIG_CMD_I2C +#define CONFIG_SYS_I2C_SPEED 400000 +#define CONFIG_SYS_I2C_SLAVE 0x7F +#define CONFIG_I2C_MULTI_BUS +#define I2C0_PORT AT91_PIO_PORTA +#define SDA0_PIN 23 +#define SCL0_PIN 24 +#define I2C1_PORT AT91_PIO_PORTB +#define SDA1_PIN 12 +#define SCL1_PIN 13 +#define I2C_SOFT_DECLARATIONS void iic_init(void);\ + int iic_read(void);\ + void iic_sda(int);\ + void iic_scl(int); +#define I2C_ACTIVE +#define I2C_TRISTATE +#define I2C_INIT iic_init() +#define I2C_READ iic_read() +#define I2C_SDA(bit) iic_sda(bit) +#define I2C_SCL(bit) iic_scl(bit) +#define I2C_DELAY udelay(3) +/* EEPROM configuration */ +#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5 +#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5 +#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 +#define CONFIG_SYS_EEPROM_SIZE 0x2000 +#define CONFIG_SYS_I2C_EEPROM_ADDR 0x57 +/* later: #define CONFIG_I2C_ENV_EEPROM_BUS 0 */ +/* ENV is always in I2C-EEPROM */ +#define CONFIG_ENV_IS_IN_EEPROM +#define CONFIG_ENV_OFFSET 0x1000 +#define CONFIG_ENV_SIZE 0x0f00 +/* VPD settings */ +#define CONFIG_SYS_I2C_FACT_ADDR 0x57 +#define CONFIG_SYS_FACT_OFFSET 0x1F00 +#define CONFIG_SYS_FACT_SIZE 0x0100 +/* later: #define CONFIG_MISC_INIT_R */ +/* define the next only if you want to allow users to enter VPD data */ +#define CONFIG_SYS_FACT_ENTRY +#ifndef __ASSEMBLY__ +extern void read_factory_r(void); +#endif + +/* + * Only interrupt autoboot if <space> is pressed. Otherwise, garbage + * data on the serial line may interrupt the boot sequence. + */ +#define CONFIG_BOOTDELAY 1 +#define CONFIG_AUTOBOOT +#define CONFIG_AUTOBOOT_KEYED +#define CONFIG_AUTOBOOT_PROMPT \ + "Press SPACE to abort autoboot in %d seconds\n", bootdelay +#define CONFIG_AUTOBOOT_DELAY_STR "d" +#define CONFIG_AUTOBOOT_STOP_STR " " + +/* + * add filesystem commands if we have at least 1 storage + * media with filesystem + */ +#if defined(CONFIG_NAND_ATMEL) \ + || defined(CONFIG_USB_ATMEL) \ + || defined(CONFIG_MMC) +# define CONFIG_DOS_PARTITION +# define CONFIG_CMD_FAT +# define CONFIG_CMD_EXT2 +/* later: #define CONFIG_CMD_JFFS2 */ +#endif + +/* add NET commands if we have at least 1 LAN */ +#if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60) +# define CONFIG_CMD_PING +# define CONFIG_CMD_DHCP +# define CONFIG_CMD_MII +/* is this really needed ? */ +# define CONFIG_RESET_PHY_R +/* BOOTP options */ +# define CONFIG_BOOTP_BOOTFILESIZE +# define CONFIG_BOOTP_BOOTPATH +# define CONFIG_BOOTP_GATEWAY +# define CONFIG_BOOTP_HOSTNAME +#endif + +/* linux in NAND flash */ +#define CONFIG_BOOTCOUNT_LIMIT 1 +#define CONFIG_BOOTCOMMAND \ + "nand read 0x21000000 0xA0000 0x200000; bootm" +#define CONFIG_BOOTARGS \ + "console=ttyS0,115200 " \ + "root=/dev/mtdblock2 " \ + "mtdparts=atmel_nand:" \ + "640k(uboot)ro," \ + "2M(linux)," \ + "16M(root)," \ + "-(rest) " \ + "rw "\ + "rootfstype=jffs2" + +/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN \ + ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) +#define CONFIG_STACKSIZE (32*1024) +#ifdef CONFIG_USE_IRQ +#error CONFIG_USE_IRQ not supported +#endif + +#endif +