Add support for the Ethernut 5 open hardware design, based on Atmel's AT91SAM9XE512 SoC.
V4 - Fix several coding style issues. - Move machine type to config file. - Remove use of CONFIG_ATMEL_LEGACY.
Signed-off-by: Tim Schendekehl tim.schendekehl@egnite.de --- MAINTAINERS | 4 + board/egnite/ethernut5/Makefile | 48 ++++ board/egnite/ethernut5/ethernut5.c | 270 +++++++++++++++++++++++ board/egnite/ethernut5/ethernut5_pwrman.c | 338 +++++++++++++++++++++++++++++ board/egnite/ethernut5/ethernut5_pwrman.h | 68 ++++++ boards.cfg | 1 + include/configs/ethernut5.h | 287 ++++++++++++++++++++++++ 7 files changed, 1016 insertions(+), 0 deletions(-) create mode 100644 board/egnite/ethernut5/Makefile create mode 100644 board/egnite/ethernut5/ethernut5.c create mode 100644 board/egnite/ethernut5/ethernut5_pwrman.c create mode 100644 board/egnite/ethernut5/ethernut5_pwrman.h create mode 100644 include/configs/ethernut5.h
diff --git a/MAINTAINERS b/MAINTAINERS index 21d1fef..1870ee1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -142,6 +142,10 @@ Phil Edworthy phil.edworthy@renesas.com
rsk7264 SH7264
+egnite GmbH info@egnite.de + + ethernut5 ARM926EJS (AT91SAM9XE SoC) + Dirk Eibach eibach@gdsys.de
devconcenter PPC460EX diff --git a/board/egnite/ethernut5/Makefile b/board/egnite/ethernut5/Makefile new file mode 100644 index 0000000..8dc85d2 --- /dev/null +++ b/board/egnite/ethernut5/Makefile @@ -0,0 +1,48 @@ +# +# (C) Copyright 2003-2008 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# (C) Copyright 2010 +# egnite GmbH +# +# 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 += $(BOARD).o +COBJS-y += $(BOARD)_pwrman.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/egnite/ethernut5/ethernut5.c b/board/egnite/ethernut5/ethernut5.c new file mode 100644 index 0000000..e42e91e --- /dev/null +++ b/board/egnite/ethernut5/ethernut5.c @@ -0,0 +1,270 @@ +/* + * (C) Copyright 2011 + * egnite GmbH info@egnite.de + * + * (C) Copyright 2010 + * Ole Reinhardt ole.reinhardt@thermotemp.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 + */ + +/* + * Ethernut 5 general board support + * + * Ethernut is an open source hardware and software project for + * embedded Ethernet devices. Hardware layouts and CAD files are + * freely available under BSD-like license. + * + * Ethernut 5 is the first member of the Ethernut board family + * with U-Boot and Linux support. This implementation is based + * on the original work done by Ole Reinhardt, but heavily modified + * to support additional features and the latest board revision 5.0F. + * + * Main board components are by default: + * + * Atmel AT91SAM9XE512 CPU with 512 kBytes NOR Flash + * 2 x 64 MBytes Micron MT48LC32M16A2P SDRAM + * 512 MBytes Micron MT29F4G08ABADA NAND Flash + * 4 MBytes Atmel AT45DB321D DataFlash + * SMSC LAN8710 Ethernet PHY + * Atmel ATmega168 MCU used for power management + * Linear Technology LTC4411 PoE controller + * + * U-Boot relevant board interfaces are: + * + * 100 Mbit Ethernet with IEEE 802.3af PoE + * RS-232 serial port + * USB host and device + * MMC/SD-Card slot + * Expansion port with I2C, SPI and more... + * + * Typically the U-Boot image is loaded from serial DataFlash into + * SDRAM by the samboot boot loader, which is located in internal + * NOR Flash and provides all essential initializations like CPU + * and peripheral clocks and, of course, the SDRAM configuration. + * + * For testing purposes it is also possibly to directly transfer + * the image into SDRAM via JTAG. A tested configuration exists + * for the Turtelizer 2 hardware dongle and the OpenOCD software. + * In this case the latter will do the basic hardware configuration + * via its reset-init script. + * + * For additional information visit the project home page at + * http://www.ethernut.de/ + */ + +#include <common.h> +#include <net.h> +#include <netdev.h> +#include <miiphy.h> +#include <i2c.h> +#include <spi.h> +#include <dataflash.h> +#include <mmc.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_spi.h> +#include <asm/arch/gpio.h> +#include <asm/io.h> + +#include "ethernut5_pwrman.h" + +DECLARE_GLOBAL_DATA_PTR; + +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} +}; + +/* + * In fact we have 7 partitions, but u-boot supports 5 only. This is + * no big deal, because the first partition is reserved for applications + * and the last one is used by Nut/OS. Both need not to be visible here. + */ +dataflash_protect_t area_list[NB_DATAFLASH_AREA] = { + { 0x00021000, 0x00041FFF, FLAG_PROTECT_SET, 0, "setup" }, + { 0x00042000, 0x000C5FFF, FLAG_PROTECT_SET, 0, "uboot" }, + { 0x000C6000, 0x00359FFF, FLAG_PROTECT_SET, 0, "kernel" }, + { 0x0035A000, 0x003DDFFF, FLAG_PROTECT_SET, 0, "nutos" }, + { 0x003DE000, 0x003FEFFF, FLAG_PROTECT_CLEAR, 0, "env" } +}; + +/* + * This is called last during early initialization. Most of the basic + * hardware interfaces are up and running. + * + * The SDRAM hardware has been configured by the first stage boot loader. + * We only need to announce its size, using u-boot's memory check. + */ +int dram_init(void) +{ + gd->ram_size = get_ram_size( + (void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} + +#ifdef CONFIG_CMD_NAND +static void ethernut5_nand_hw_init(void) +{ + struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; + struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; + unsigned long csa; + + /* Assign CS3 to NAND/SmartMedia Interface */ + csa = readl(&matrix->ebicsa); + csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA; + writel(csa, &matrix->ebicsa); + + /* Configure SMC CS3 for NAND/SmartMedia */ + writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | + AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), + &smc->cs[3].setup); + writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | + AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), + &smc->cs[3].pulse); + writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), + &smc->cs[3].cycle); + writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | + AT91_SMC_MODE_EXNW_DISABLE | + AT91_SMC_MODE_DBW_8 | + AT91_SMC_MODE_TDF_CYCLE(2), + &smc->cs[3].mode); + +#ifdef CONFIG_SYS_NAND_READY_PIN + /* Ready pin is optional. */ + at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1); +#endif + at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); +} +#endif + +/* + * This is called first during late initialization. + */ +int board_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + /* Enable clocks for all PIOs */ + writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) | + (1 << ATMEL_ID_PIOC), + &pmc->pcer); + /* Set adress of boot parameters. */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + /* Initialize UARTs and power management. */ + at91_seriald_hw_init(); + ethernut5_power_init(); +#ifdef CONFIG_CMD_NAND + ethernut5_nand_hw_init(); +#endif +#ifdef CONFIG_HAS_DATAFLASH + at91_spi0_hw_init(1 << 0); +#endif + return 0; +} + +#ifdef CONFIG_MACB +/* + * This is optionally called last during late initialization. + */ +int board_eth_init(bd_t *bis) +{ + const char *devname; + unsigned short mode; + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + /* Enable on-chip EMAC clock. */ + writel(1 << ATMEL_ID_EMAC0, &pmc->pcer); + /* Need to reset PHY via power management. */ + ethernut5_phy_reset(); + /* Set peripheral pins. */ + at91_macb_hw_init(); + /* Basic EMAC initialization. */ + if (macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0, CONFIG_PHY_ID)) + return -1; + /* + * Early board revisions have a pull-down at the PHY's MODE0 + * strap pin, which forces the PHY into power down. Here we + * switch to all-capable mode. + */ + devname = miiphy_get_current_dev(); + if (miiphy_read(devname, 0, 18, &mode) == 0) { + /* Set mode[2:0] to 0b111. */ + mode |= 0x00E0; + miiphy_write(devname, 0, 18, mode); + /* Soft reset overrides strap pins. */ + miiphy_write(devname, 0, MII_BMCR, BMCR_RESET); + } + /* Sync environment with network devices, needed for nfsroot. */ + return eth_init(gd->bd); +} +#endif + +#ifdef CONFIG_GENERIC_ATMEL_MCI +int board_mmc_init(bd_t *bd) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + /* Enable MCI clock. */ + writel(1 << ATMEL_ID_MCI, &pmc->pcer); + /* Initialize MCI hardware. */ + at91_mci_hw_init(); + /* Register the device. */ + return atmel_mci_init((void *)ATMEL_BASE_MCI); +} + +int board_mmc_getcd(u8 *cd, struct mmc *mmc) +{ + *cd = at91_get_pio_value(CONFIG_SYS_MMC_CD_PIN) ? 1 : 0; + return 0; +} +#endif + +#ifdef CONFIG_ATMEL_SPI +/* + * Note, that u-boot uses different code for SPI bus access. While + * memory routines use automatic chip select control, the serial + * flash support requires 'manual' GPIO control. Thus, we switch + * modes. + */ +void spi_cs_activate(struct spi_slave *slave) +{ + /* Enable NPCS0 in GPIO mode. This disables peripheral control. */ + at91_set_pio_output(AT91_PIO_PORTA, 3, 0); +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + /* Disable NPCS0 in GPIO mode. */ + at91_set_pio_output(AT91_PIO_PORTA, 3, 1); + /* Switch back to peripheral chip select control. */ + at91_set_a_periph(AT91_PIO_PORTA, 3, 1); +} + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + return bus == 0 && cs == 0; +} +#endif diff --git a/board/egnite/ethernut5/ethernut5_pwrman.c b/board/egnite/ethernut5/ethernut5_pwrman.c new file mode 100644 index 0000000..4b00038 --- /dev/null +++ b/board/egnite/ethernut5/ethernut5_pwrman.c @@ -0,0 +1,338 @@ +/* + * (C) Copyright 2011 + * egnite GmbH info@egnite.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 + */ + +/* + * Ethernut 5 power management support + * + * This board may be supplied via USB, IEEE 802.3af PoE or an + * auxiliary DC input. An on-board ATmega168 microcontroller, + * the so called power management controller or PMC, is used + * to select the supply source and to switch on and off certain + * energy consuming board components. This allows to reduce the + * total stand-by consumption to less than 70mW. + * + * The main CPU communicates with the PMC via I2C. When + * CONFIG_CMD_BSP is defined in the board configuration file, + * then the board specific command 'pwrman' becomes available, + * which allows to manually deal with the PMC. + * + * Two distinct registers are provided by the PMC for enabling + * and disabling specific features. This avoids the often seen + * read-modify-write cycle or shadow register requirement. + * Additional registers are available to query the board + * status and temperature, the auxiliary voltage and to control + * the green user LED that is integrated in the reset switch. + * + * Note, that the AVR firmware of the PMC is released under BSDL. + * + * For additional information visit the project home page at + * http://www.ethernut.de/ + */ +#include <common.h> +#include <asm/arch/at91sam9260.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/gpio.h> +#include <asm/io.h> +#include <i2c.h> + +#include "ethernut5_pwrman.h" + +/* PMC firmware version */ +static int pwrman_major; +static int pwrman_minor; + +/* + * Enable Ethernut 5 power management. + * + * This function must be called during board initialization. + * While we are using u-boot's I2C subsystem, it may be required + * to enable the serial port before calling this function, + * in particular when debugging is enabled. + * + * If board specific commands are not available, we will activate + * all board components. + */ +void ethernut5_power_init(void) +{ + pwrman_minor = i2c_reg_read(PWRMAN_I2C_ADDR, PWRMAN_REG_VERS); + pwrman_major = pwrman_minor >> 4; + pwrman_minor &= 15; + +#ifndef CONFIG_CMD_BSP + /* Do not modify anything, if we do not have a known version. */ + if (pwrman_major == 2) { + /* Without board specific commands we enable all features. */ + i2c_reg_write(PWRMAN_I2C_ADDR, PWRMAN_REG_ENA, ~PWRMAN_ETHRST); + i2c_reg_write(PWRMAN_I2C_ADDR, PWRMAN_REG_DIS, PWRMAN_ETHRST); + } +#endif +} + +/* + * Reset Ethernet PHY. + * + * This function allows the re-configure the PHY after + * changing its strap pins. + */ +void ethernut5_phy_reset(void) +{ + /* Do not modify anything, if we do not have a known version. */ + if (pwrman_major != 2) + return; + + /* + * Make sure that the Ethernet clock is enabled and the PHY reset + * is disabled for at least 100 us. + */ + i2c_reg_write(PWRMAN_I2C_ADDR, PWRMAN_REG_ENA, PWRMAN_ETHCLK); + i2c_reg_write(PWRMAN_I2C_ADDR, PWRMAN_REG_DIS, PWRMAN_ETHRST); + udelay(100); + + /* + * LAN8710 strap pins are + * PA14 => PHY MODE0 + * PA15 => PHY MODE1 + * PA17 => PHY MODE2 => 111b all capable + * PA18 => PHY ADDR0 => 0b + */ + at91_set_pio_input(AT91_PIO_PORTA, 14, 1); + at91_set_pio_input(AT91_PIO_PORTA, 15, 1); + at91_set_pio_input(AT91_PIO_PORTA, 17, 1); + at91_set_pio_input(AT91_PIO_PORTA, 18, 0); + + /* Activate PHY reset for 100 us. */ + i2c_reg_write(PWRMAN_I2C_ADDR, PWRMAN_REG_ENA, PWRMAN_ETHRST); + udelay(100); + i2c_reg_write(PWRMAN_I2C_ADDR, PWRMAN_REG_DIS, PWRMAN_ETHRST); + + at91_set_pio_input(AT91_PIO_PORTA, 14, 1); +} + +/* + * Output the firmware version we got during initialization. + */ +void ethernut5_print_version(void) +{ + printf("%u.%u\n", pwrman_major, pwrman_minor); +} + +/* + * All code below this point is optional and implements + * the 'pwrman' command. + */ +#ifdef CONFIG_CMD_BSP + +/* Human readable names of PMC features */ +char *pwrman_feat[8] = { + "board", "vbin", "vbout", "mmc", + "rs232", "ethclk", "ethrst", "wakeup" +}; + +/* + * Print all feature names, that have its related flags enabled. + */ +static void print_flagged_features(u8 flags) +{ + int i; + + for (i = 0; i < 8; i++) { + if (flags & (1 << i)) + printf("%s ", pwrman_feat[i]); + } +} + +/* + * Return flags of a given list of feature names. + * + * The function stops at the first unknown list entry and + * returns the number of detected names as a function result. + */ +static int feature_flags(char * const names[], int num, u8 *flags) +{ + int i, j; + + *flags = 0; + for (i = 0; i < num; i++) { + for (j = 0; j < 8; j++) { + if (strcmp(pwrman_feat[j], names[i]) == 0) { + *flags |= 1 << j; + break; + } + } + if (j > 7) + break; + } + return i; +} + +void ethernut5_print_power(void) +{ + u8 flags; + int i; + + flags = i2c_reg_read(PWRMAN_I2C_ADDR, PWRMAN_REG_ENA); + for (i = 0; i < 2; i++) { + if (flags) { + print_flagged_features(flags); + printf("%s\n", i ? "off" : "on"); + } + flags = ~flags; + } +} + +void ethernut5_print_celsius(void) +{ + int val; + + /* Read ADC value from LM50 and return Celsius degrees. */ + val = i2c_reg_read(PWRMAN_I2C_ADDR, PWRMAN_REG_TEMP); + val *= 5000; /* 100mV/degree with 5V reference */ + val += 128; /* 8 bit resolution */ + val /= 256; + val -= 450; /* Celsius offset, still x10 */ + /* Output full degrees. */ + printf("%d\n", (val + 5) / 10); +} + +void ethernut5_print_voltage(void) +{ + int val; + + /* Read ADC value from divider and return voltage. */ + val = i2c_reg_read(PWRMAN_I2C_ADDR, PWRMAN_REG_VAUX); + /* Resistors are 100k and 12.1k */ + val += 5; + val *= 180948; + val /= 100000; + val++; + /* Calculation was done in 0.1V units. */ + printf("%d\n", (val + 5) / 10); +} + +/* + * Process the board specific 'pwrman' command. + */ +int do_pwrman(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + u8 val; + int i; + + if (argc == 1) { + ethernut5_print_power(); + } else if (argc == 2 && strcmp(argv[1], "reset") == 0) { + at91_set_pio_output(AT91_PIO_PORTB, 8, 1); + udelay(100); + at91_set_pio_output(AT91_PIO_PORTB, 8, 0); + udelay(100000); + } else if (argc == 2 && strcmp(argv[1], "temp") == 0) { + ethernut5_print_celsius(); + } else if (argc == 2 && strcmp(argv[1], "vaux") == 0) { + ethernut5_print_voltage(); + } else if (argc == 2 && strcmp(argv[1], "version") == 0) { + ethernut5_print_version(); + } else if (strcmp(argv[1], "led") == 0) { + /* Control the green status LED. Blink frequency unit + ** is 0.1s, very roughly. */ + if (argc == 2) { + /* No more arguments, output current settings. */ + val = i2c_reg_read(PWRMAN_I2C_ADDR, PWRMAN_REG_LEDCTL); + printf("led %u %u\n", val >> 4, val & 15); + } else { + /* First argument specifies the on-time. */ + val = (u8) simple_strtoul(argv[2], NULL, 0); + val <<= 4; + if (argc > 3) { + /* Second argument specifies the off-time. */ + val |= (u8) (simple_strtoul(argv[3], NULL, 0) + & 15); + } + /* Update the LED control register. */ + i2c_reg_write(PWRMAN_I2C_ADDR, PWRMAN_REG_LEDCTL, val); + } + } else { + /* We expect a list of features followed an optional status. */ + argc--; + i = feature_flags(&argv[1], argc, &val); + if (argc == i) { + /* We got a list only, print status. */ + val &= i2c_reg_read(PWRMAN_I2C_ADDR, PWRMAN_REG_STA); + if (val) { + if (i > 1) + print_flagged_features(val); + printf("active\n"); + } else { + printf("inactive\n"); + } + } else { + /* More arguments. */ + if (i == 0) { + /* No given feature, use despensibles. */ + val = PWRMAN_DISPENSIBLE; + } + if (strcmp(argv[i + 1], "on") == 0) { + /* Enable features. */ + i2c_reg_write(PWRMAN_I2C_ADDR, PWRMAN_REG_ENA, + val); + } else if (strcmp(argv[i + 1], "off") == 0) { + /* Disable features. */ + i2c_reg_write(PWRMAN_I2C_ADDR, PWRMAN_REG_DIS, + val); + } else { + printf("Bad parameter %s\n", argv[i + 1]); + return 1; + } + } + } + return 0; +} + +U_BOOT_CMD( + pwrman, CONFIG_SYS_MAXARGS, 1, do_pwrman, + "power management", + "- print settings\n" + "pwrman feature ...\n" + " - print status\n" + "pwrman [feature ...] on|off\n" + " - enable/disable specified or all dispensible features\n" + "pwrman led [on-time [off-time]]\n" + " - print or set led blink timer\n" + "pwrman temp\n" + " - print board temperature (Celsius)\n" + "pwrman vaux\n" + " - print auxiliary input voltage\n" + "pwrman reset\n" + " - reset power management controller\n" + "pwrman version\n" + " - print firmware version\n" + "\n" + " features, (*)=dispensible:\n" + " board - 1.8V and 3.3V supply\n" + " vbin - supply via USB device connector\n" + " vbout - USB host connector supply(*)\n" + " mmc - MMC slot supply(*)\n" + " rs232 - RS232 driver\n" + " ethclk - Ethernet PHY clock(*)\n" + " ethrst - Ethernet PHY reset\n" + " wakeup - RTC alarm" +); +#endif /* CONFIG_CMD_BSP */ diff --git a/board/egnite/ethernut5/ethernut5_pwrman.h b/board/egnite/ethernut5/ethernut5_pwrman.h new file mode 100644 index 0000000..0541884 --- /dev/null +++ b/board/egnite/ethernut5/ethernut5_pwrman.h @@ -0,0 +1,68 @@ +/* + * (C) Copyright 2011 + * egnite GmbH info@egnite.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 + */ + +/* + * Ethernut 5 power management support + * + * For additional information visit the project home page at + * http://www.ethernut.de/ + */ + +/* I2C address of the PMC */ +#define PWRMAN_I2C_ADDR 0x22 + +/* PMC registers */ +#define PWRMAN_REG_VERS 0 /* Version register */ +#define PWRMAN_REG_STA 1 /* Feature status register */ +#define PWRMAN_REG_ENA 2 /* Feature enable register */ +#define PWRMAN_REG_DIS 3 /* Feature disable register */ +#define PWRMAN_REG_TEMP 4 /* Board temperature */ +#define PWRMAN_REG_VAUX 6 /* Auxiliary input voltage */ +#define PWRMAN_REG_LEDCTL 8 /* LED blinking timer. */ + +/* Feature flags used in status, enable and disable registers */ +#define PWRMAN_BOARD 0x01 /* 1.8V and 3.3V supply */ +#define PWRMAN_VBIN 0x02 /* VBUS input at device connector */ +#define PWRMAN_VBOUT 0x04 /* VBUS output at host connector */ +#define PWRMAN_MMC 0x08 /* Memory card supply */ +#define PWRMAN_RS232 0x10 /* RS-232 driver shutdown */ +#define PWRMAN_ETHCLK 0x20 /* Ethernet clock enable */ +#define PWRMAN_ETHRST 0x40 /* Ethernet PHY reset */ +#define PWRMAN_WAKEUP 0x80 /* RTC wake-up */ + +/* Features, which are not essential to keep u-boot alive */ +#define PWRMAN_DISPENSIBLE (PWRMAN_VBOUT | PWRMAN_MMC | PWRMAN_ETHCLK) + +/* Enable Ethernut 5 power management. */ +extern void ethernut5_power_init(void); + +/* Reset Ethernet PHY. */ +extern void ethernut5_phy_reset(void); + +extern void ethernut5_print_version(void); + +#ifdef CONFIG_CMD_BSP +extern void ethernut5_print_power(void); +extern void ethernut5_print_celsius(void); +extern void ethernut5_print_voltage(void); +#endif diff --git a/boards.cfg b/boards.cfg index 8bd91c5..04aa3dd 100644 --- a/boards.cfg +++ b/boards.cfg @@ -110,6 +110,7 @@ cpu9G20 arm arm926ejs cpu9260 eukrea cpu9G20_nand arm arm926ejs cpu9260 eukrea at91 cpu9260:CPU9G20,NANDBOOT cpu9G20_128M arm arm926ejs cpu9260 eukrea at91 cpu9260:CPU9G20,CPU9G20_128M cpu9G20_nand_128M arm arm926ejs cpu9260 eukrea at91 cpu9260:CPU9G20,CPU9G20_128M,NANDBOOT +ethernut5 arm arm926ejs ethernut5 egnite at91 ethernut5:AT91SAM9XE top9000eval_xe arm arm926ejs top9000 emk at91 top9000:EVAL9000 top9000su_xe arm arm926ejs top9000 emk at91 top9000:SU9000 meesc arm arm926ejs meesc esd at91 meesc:AT91SAM9263,SYS_USE_NANDFLASH diff --git a/include/configs/ethernut5.h b/include/configs/ethernut5.h new file mode 100644 index 0000000..f878665 --- /dev/null +++ b/include/configs/ethernut5.h @@ -0,0 +1,287 @@ +/* + * (C) Copyright 2011 + * egnite GmbH info@egnite.de + * + * Configuation settings for Ethernut 5 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include <asm/hardware.h> + +/* The first stage boot loader expects u-boot running at this address. */ +#define CONFIG_SYS_TEXT_BASE 0x27000000 /* 16MB available */ + +/* The first stage boot loader takes care of low level initialization. */ +#define CONFIG_SKIP_LOWLEVEL_INIT + +/* Set our official architecture number. */ +#define MACH_TYPE_ETHERNUT5 1971 +#define CONFIG_MACH_TYPE MACH_TYPE_ETHERNUT5 + +/* CPU information */ +#define CONFIG_ARM926EJS +#define CONFIG_AT91FAMILY +#define CONFIG_DISPLAY_CPUINFO /* Display at console. */ +#define CONFIG_ARCH_CPU_INIT + +/* ARM asynchronous clock */ +#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ +#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */ +#define CONFIG_SYS_HZ 1000 +#undef CONFIG_USE_IRQ /* Running w/o interrupts */ + +/* 32kB internal SRAM */ +#define CONFIG_SRAM_BASE 0x00300000 /*AT91SAM9XE_SRAM_BASE */ +#define CONFIG_SRAM_SIZE (32 << 10) +#define CONFIG_STACKSIZE (CONFIG_SRAM_SIZE - GENERATED_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SRAM_BASE + CONFIG_STACKSIZE) + +/* 128MB SDRAM in 1 bank */ +#define CONFIG_NR_DRAM_BANKS 1 +#define CONFIG_SYS_SDRAM_BASE 0x20000000 +#define CONFIG_SYS_SDRAM_SIZE (128 << 20) +#define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE +#define CONFIG_LOADADDR CONFIG_SYS_LOAD_ADDR +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (1 << 20)) +#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE \ + - CONFIG_SYS_MALLOC_LEN) + +/* 512kB on-chip NOR flash */ +# define CONFIG_SYS_MAX_FLASH_BANKS 1 +# define CONFIG_SYS_FLASH_BASE 0x00200000 /* AT91SAM9XE_FLASH_BASE */ +# define CONFIG_AT91_EFLASH +# define CONFIG_SYS_MAX_FLASH_SECT 32 +# define CONFIG_SYS_FLASH_PROTECTION /* First stage loader in sector 0 */ +# define CONFIG_EFLASH_PROTSECTORS 1 + +/* 512kB DataFlash at NPCS0 */ +#define CONFIG_SYS_MAX_DATAFLASH_BANKS 1 +#define CONFIG_HAS_DATAFLASH +#define CONFIG_SPI_FLASH +#define CONFIG_SPI_FLASH_ATMEL +#define CONFIG_ATMEL_DATAFLASH_SPI +#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 +#define DATAFLASH_TCSS (0x1a << 16) +#define DATAFLASH_TCHS (0x1 << 24) + +#define CONFIG_ENV_IS_IN_SPI_FLASH +#define CONFIG_ENV_OFFSET 0x3DE000 +#define CONFIG_ENV_SECT_SIZE (132 << 10) +#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE +#define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 \ + + CONFIG_ENV_OFFSET) +#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 \ + + 0x042000) + +/* SPI */ +#define CONFIG_ATMEL_SPI +#define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ) +#define AT91_SPI_CLK 15000000 + +/* Serial port */ +#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 } +#define CONFIG_USART_BASE ATMEL_BASE_DBGU +#define CONFIG_USART_ID ATMEL_ID_SYS + +/* Misc. hardware drivers */ +#define CONFIG_AT91_GPIO + +/* Command line configuration */ +#include <config_cmd_default.h> +#undef CONFIG_CMD_BDI +#undef CONFIG_CMD_FPGA +#undef CONFIG_CMD_LOADS + +#define CONFIG_CMD_JFFS2 +#define CONFIG_CMD_MII +#define CONFIG_CMD_MTDPARTS +#define CONFIG_CMD_NAND +#define CONFIG_CMD_SPI + +#ifdef MINIMAL_LOADER +#undef CONFIG_CMD_CONSOLE +#undef CONFIG_CMD_EDITENV +#undef CONFIG_CMD_IMI +#undef CONFIG_CMD_ITEST +#undef CONFIG_CMD_IMLS +#undef CONFIG_CMD_LOADB +#undef CONFIG_CMD_LOADS +#undef CONFIG_CMD_NFS +#undef CONFIG_CMD_SETGETDCR +#undef CONFIG_CMD_XIMG +#else +#define CONFIG_CMD_ASKENV +#define CONFIG_CMD_BSP +#define CONFIG_CMD_CACHE +#define CONFIG_CMD_CDP +#define CONFIG_CMD_DATE +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_DNS +#define CONFIG_CMD_EXT2 +#define CONFIG_CMD_FAT +#define CONFIG_CMD_I2C +#define CONFIG_CMD_MMC +#define CONFIG_CMD_PING +#define CONFIG_CMD_RARP +#define CONFIG_CMD_REISER +#define CONFIG_CMD_SAVES +#define CONFIG_CMD_SETEXPR +#define CONFIG_CMD_SF +#define CONFIG_CMD_SNTP +#define CONFIG_CMD_UBI +#define CONFIG_CMD_UBIFS +#define CONFIG_CMD_UNZIP +#define CONFIG_CMD_USB +#endif + +/* NAND flash */ +#ifdef CONFIG_CMD_NAND +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_SYS_NAND_BASE 0x40000000 +#define CONFIG_SYS_NAND_DBW_8 +#define CONFIG_NAND_ATMEL +/* our ALE is AD21 */ +#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) +/* our CLE is AD22 */ +#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) +#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIO_PORTC, 14 +#endif + +/* JFFS2 */ +#ifdef CONFIG_CMD_JFFS2 +#define CONFIG_MTD_NAND_ECC_JFFS2 +#define CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_NAND +#endif + +/* Ethernet */ +#define CONFIG_NET_MULTI +#define CONFIG_NET_RETRY_COUNT 20 +#define CONFIG_MACB +#define CONFIG_RMII +#define CONFIG_PHY_ID 0 +#define CONFIG_MACB_SEARCH_PHY + +/* MMC */ +#ifdef CONFIG_CMD_MMC +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_GENERIC_ATMEL_MCI +#define CONFIG_SYS_MMC_CD_PIN AT91_PIO_PORTC, 8 +#endif + +/* USB */ +#ifdef CONFIG_CMD_USB +#define CONFIG_USB_ATMEL +#define CONFIG_USB_OHCI_NEW +#define CONFIG_SYS_USB_OHCI_CPU_INIT +#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 +#define CONFIG_SYS_USB_OHCI_SLOT_NAME "host" +#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 +#define CONFIG_USB_STORAGE +#endif + +/* RTC */ +#if defined(CONFIG_CMD_DATE) || defined(CONFIG_CMD_SNTP) +#define CONFIG_RTC_PCF8563 +#define CONFIG_SYS_I2C_RTC_ADDR 0x51 +#endif + +/* I2C */ +#define CONFIG_SYS_MAX_I2C_BUS 1 +#define CONFIG_SYS_I2C_SLAVE 0 +#define CONFIG_SYS_I2C_SPEED 100000 + +#define CONFIG_SOFT_I2C +#define I2C_SOFT_DECLARATIONS + +#define GPIO_I2C_SCL AT91_PIO_PORTA, 24 +#define GPIO_I2C_SDA AT91_PIO_PORTA, 23 + +#define I2C_INIT { \ + at91_set_pio_periph(AT91_PIO_PORTA, 23, 0); \ + at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \ + at91_set_pio_periph(AT91_PIO_PORTA, 24, 0); \ + at91_set_pio_output(AT91_PIO_PORTA, 24, 0); \ + at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \ +} + +#define I2C_ACTIVE at91_set_pio_output(AT91_PIO_PORTA, 23, 0) +#define I2C_TRISTATE at91_set_pio_input(AT91_PIO_PORTA, 23, 0) +#define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit) +#define I2C_SDA(bit) at91_set_pio_value(AT91_PIO_PORTA, 23, bit) +#define I2C_DELAY udelay(100) +#define I2C_READ at91_get_pio_value(AT91_PIO_PORTA, 23) + +/* DHCP/BOOTP options */ +#ifdef CONFIG_CMD_DHCP +#define CONFIG_BOOTP_BOOTFILESIZE +#define CONFIG_BOOTP_BOOTPATH +#define CONFIG_BOOTP_GATEWAY +#define CONFIG_BOOTP_HOSTNAME +#define CONFIG_SYS_AUTOLOAD "n" +#endif + +/* File systems */ +#define CONFIG_MTD_DEVICE +#define CONFIG_MTD_PARTITIONS +#if defined(CONFIG_CMD_MTDPARTS) || defined(CONFIG_CMD_NAND) +#define MTDIDS_DEFAULT "nand0=atmel_nand" +#define MTDPARTS_DEFAULT "mtdparts=atmel_nand:-(root)" +#endif +#if defined(CONFIG_CMD_REISER) || defined(CONFIG_CMD_EXT2) || \ + defined(CONFIG_CMD_USB) || defined(CONFIG_MMC) +#define CONFIG_DOS_PARTITION +#endif +#define CONFIG_LZO +#define CONFIG_RBTREE + +/* Boot command */ +#define CONFIG_BOOTDELAY 3 +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_INITRD_TAG +#define CONFIG_BOOTCOMMAND "cp.b 0xC00C6000 ${loadaddr} 0x294000; bootm" +#if defined(CONFIG_CMD_NAND) +#define CONFIG_BOOTARGS "console=ttyS0,115200 " \ + "root=/dev/mtdblock0 " \ + MTDPARTS_DEFAULT \ + " rw rootfstype=jffs2" +#endif + +/* Misc. u-boot settings */ +#define CONFIG_SYS_PROMPT "U-Boot> " +#define CONFIG_SYS_HUSH_PARSER +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " +#define CONFIG_SYS_CBSIZE 256 +#define CONFIG_SYS_MAXARGS 16 +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + 16 \ + + sizeof(CONFIG_SYS_PROMPT)) +#define CONFIG_SYS_LONGHELP +#define CONFIG_CMDLINE_EDITING + +#endif