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Diffstat (limited to 'sys/include/dev')
| -rw-r--r-- | sys/include/dev/phy/e1000regs.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/sys/include/dev/phy/e1000regs.h b/sys/include/dev/phy/e1000regs.h new file mode 100644 index 0000000..7caceee --- /dev/null +++ b/sys/include/dev/phy/e1000regs.h @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _PHY_E1000_REGS_H_ +#define _PHY_E1000_REGS_H_ + +#include <sys/types.h> +#include <sys/param.h> + +/* + * E1000 register offsets + * + * XXX: Notes about reserve fields: + * + * - The `EERD' register is reserved and should NOT be touched + * for the 82544GC/EI card. + * + * - The `FLA' register is only usable for the 82541xx and + * 82547GI/EI cards, this is reserved and should NOT be + * touched on any other cards. + * + * - The `TXCW' and `RXCW' registers are reserved and should NOT + * be touched for the 82540EP/EM, 82541xx and 82547GI/EI cards. + * + * - The `LEDCTL' register is reserved and should NOT be touched + * for the 82544GC/EI card. + */ +#define E1000_CTL 0x00000 /* Control register */ +#define E1000_STATUS 0x00008 /* Status register */ +#define E1000_EECD 0x00010 /* EEPROM/flash control and data register */ +#define E1000_EERD 0x00014 /* EEPROM/flash read register */ +#define E1000_FLA 0x0001C /* EEPROM/flash read register */ +#define E1000_CTRL_EXT 0x00018 /* Extended device control register */ +#define E1000_MDIC 0x00020 /* PHY management data interface control register */ +#define E1000_FCAL 0x00028 /* Flow control low register */ +#define E1000_FCAH 0x0002C /* Flow control high register */ +#define E1000_FCT 0x00030 /* Flow control type register */ +#define E1000_VET 0x00038 /* VLAN ethertype register */ +#define E1000_FCTTV 0x00170 /* Flow control transmit timer value register */ +#define E1000_TXCW 0x00178 /* Transmit config word register */ +#define E1000_RXCW 0x00180 /* Receive config word register */ +#define E1000_LEDCTL 0x00E00 /* LED control register */ + +/* + * Device control register (`ctl') bits + * + * See section 13.4.1 of the PCI/PCI-X Intel Gigabit + * Ethernet Controllers spec + * + * XXX: Notes about reserved bits: + * + * - The CTL.LRST bit is reserved and should NOT be touched + * for the 82540EP/EM, 82541xx, or 82547GI/EI cards. + */ +#define E1000_CTL_FD BIT(0) /* Full-duplex */ +#define E1000_CTL_LRST BIT(3) /* Link-reset */ +#define E1000_CTL_RST BIT(26) /* Device reset */ + +/* + * EEPROM/flash control and data register (`eecd') + * bits + * + * See section 13.4.3 of the PCI/PCI-X Intel Gigabit + * Ethernet controller spec + */ +#define E1000_EECD_SK BIT(0) /* EEPROM clock input */ +#define E1000_EECD_CS BIT(1) /* EEPROM chip select */ +#define E1000_EECD_DI BIT(2) /* EEPROM data input */ +#define E1000_EECD_DO BIT(3) /* EEPROM data output */ +#define E1000_EECD_FWE BIT(4) /* EEPROM flash write enable ctl (4:5) */ +#define E1000_EECD_REQ BIT(6) /* Request EEPROM access */ +#define E1000_EECD_GNT BIT(7) /* Grant EEPROM access */ +#define E1000_EECD_PRES BIT(8) /* EEPROM present */ +#define E1000_EECD_SIZE BIT(9) /* EEPROM size (1024-bit [0], 4096-bit [1]) */ +#define E1000_EECD_TYPE BIT(13) /* EEPROM type (microwire [0], SPI [1]) */ + +/* + * EEPROM read (`eerd') register bits + * + * See section 13.4.4 of the PCI/PCI-X Intel Gigabit + * Ethernet controller spec + */ +#define E1000_EERD_START BIT(0) /* Start read */ +#define E1000_EERD_DONE BIT(4) /* EEPROM read finished */ + +/* + * EEPROM word addresses + */ +#define E1000_HWADDR0 0x00 /* Word 0 */ +#define E1000_HWADDR1 0x01 /* Word 1 */ +#define E1000_HWADDR2 0x02 /* Word 2 */ + +#endif /* !_PHY_E1000_REGS_H_ */ |