diff options
Diffstat (limited to 'qemu/roms/u-boot/board/egnite/ethernut5')
4 files changed, 0 insertions, 641 deletions
diff --git a/qemu/roms/u-boot/board/egnite/ethernut5/Makefile b/qemu/roms/u-boot/board/egnite/ethernut5/Makefile deleted file mode 100644 index 251387384..000000000 --- a/qemu/roms/u-boot/board/egnite/ethernut5/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -# -# (C) Copyright 2003-2008 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2010 -# egnite GmbH -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y += ethernut5.o -obj-y += ethernut5_pwrman.o diff --git a/qemu/roms/u-boot/board/egnite/ethernut5/ethernut5.c b/qemu/roms/u-boot/board/egnite/ethernut5/ethernut5.c deleted file mode 100644 index b45213c24..000000000 --- a/qemu/roms/u-boot/board/egnite/ethernut5/ethernut5.c +++ /dev/null @@ -1,255 +0,0 @@ -/* - * (C) Copyright 2011 - * egnite GmbH <info@egnite.de> - * - * (C) Copyright 2010 - * Ole Reinhardt <ole.reinhardt@thermotemp.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * 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 <atmel_mci.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 <asm/gpio.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 - gpio_direction_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(struct mmc *mmc) -{ - return !at91_get_pio_value(CONFIG_SYS_MMC_CD_PIN); -} -#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/qemu/roms/u-boot/board/egnite/ethernut5/ethernut5_pwrman.c b/qemu/roms/u-boot/board/egnite/ethernut5/ethernut5_pwrman.c deleted file mode 100644 index f17317e45..000000000 --- a/qemu/roms/u-boot/board/egnite/ethernut5/ethernut5_pwrman.c +++ /dev/null @@ -1,322 +0,0 @@ -/* - * (C) Copyright 2011 - * egnite GmbH <info@egnite.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * 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/qemu/roms/u-boot/board/egnite/ethernut5/ethernut5_pwrman.h b/qemu/roms/u-boot/board/egnite/ethernut5/ethernut5_pwrman.h deleted file mode 100644 index 22c9daa9a..000000000 --- a/qemu/roms/u-boot/board/egnite/ethernut5/ethernut5_pwrman.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * (C) Copyright 2011 - * egnite GmbH <info@egnite.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * 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 |