From 56d9f1f08cb7b0c41e64aed3e02fd7c8e5c9c10b Mon Sep 17 00:00:00 2001 From: Mark Kettenis Date: Tue, 14 Apr 2020 21:02:40 +0000 Subject: Add bse(4), a driver for the Broadcom GENET v5 network interface found on the Raspberry Pi4. ok patrick@ --- sys/dev/ic/bcmgenetreg.h | 175 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 175 insertions(+) create mode 100644 sys/dev/ic/bcmgenetreg.h (limited to 'sys/dev/ic/bcmgenetreg.h') diff --git a/sys/dev/ic/bcmgenetreg.h b/sys/dev/ic/bcmgenetreg.h new file mode 100644 index 00000000000..2cf24bb6ac0 --- /dev/null +++ b/sys/dev/ic/bcmgenetreg.h @@ -0,0 +1,175 @@ +/* $OpenBSD: bcmgenetreg.h,v 1.1 2020/04/14 21:02:39 kettenis Exp $ */ +/* $NetBSD: bcmgenetreg.h,v 1.2 2020/02/22 13:41:41 jmcneill Exp $ */ + +/*- + * Copyright (c) 2020 Jared McNeill + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +/* + * Broadcom GENETv5 + */ + +#ifndef _BCMGENETREG_H +#define _BCMGENETREG_H + +#define __BIT(__n) (1U << (__n)) +#define __BITS(__n, __m) ((__BIT((__n) - (__m) + 1) - 1) << (__m)) + +#define __LOWEST_SET_BIT(__mask) ((((__mask) - 1) & (__mask)) ^ (__mask)) +#define __SHIFTOUT(__x, __mask) (((__x) & (__mask)) / __LOWEST_SET_BIT(__mask)) +#define __SHIFTIN(__x, __mask) ((__x) * __LOWEST_SET_BIT(__mask)) + +#define GENET_SYS_REV_CTRL 0x000 +#define GENET_SYS_REV_MAJOR __BITS(27,24) +#define GENET_SYS_REV_MINOR __BITS(19,16) +#define GENET_SYS_PORT_CTRL 0x004 +#define GENET_SYS_PORT_MODE_EXT_GPHY 3 +#define GENET_SYS_RBUF_FLUSH_CTRL 0x008 +#define GENET_SYS_RBUF_FLUSH_RESET __BIT(1) +#define GENET_SYS_TBUF_FLUSH_CTRL 0x00c +#define GENET_EXT_RGMII_OOB_CTRL 0x08c +#define GENET_EXT_RGMII_OOB_ID_MODE_DISABLE __BIT(16) +#define GENET_EXT_RGMII_OOB_RGMII_MODE_EN __BIT(6) +#define GENET_EXT_RGMII_OOB_OOB_DISABLE __BIT(5) +#define GENET_EXT_RGMII_OOB_RGMII_LINK __BIT(4) +#define GENET_INTRL2_CPU_STAT 0x200 +#define GENET_INTRL2_CPU_CLEAR 0x208 +#define GENET_INTRL2_CPU_STAT_MASK 0x20c +#define GENET_INTRL2_CPU_SET_MASK 0x210 +#define GENET_INTRL2_CPU_CLEAR_MASK 0x214 +#define GENET_IRQ_MDIO_ERROR __BIT(24) +#define GENET_IRQ_MDIO_DONE __BIT(23) +#define GENET_IRQ_TXDMA_DONE __BIT(16) +#define GENET_IRQ_RXDMA_DONE __BIT(13) +#define GENET_RBUF_CTRL 0x300 +#define GENET_RBUF_BAD_DIS __BIT(2) +#define GENET_RBUF_ALIGN_2B __BIT(1) +#define GENET_RBUF_64B_EN __BIT(0) +#define GENET_RBUF_TBUF_SIZE_CTRL 0x3b4 +#define GENET_UMAC_CMD 0x808 +#define GENET_UMAC_CMD_LCL_LOOP_EN __BIT(15) +#define GENET_UMAC_CMD_SW_RESET __BIT(13) +#define GENET_UMAC_CMD_PROMISC __BIT(4) +#define GENET_UMAC_CMD_SPEED __BITS(3,2) +#define GENET_UMAC_CMD_SPEED_10 0 +#define GENET_UMAC_CMD_SPEED_100 1 +#define GENET_UMAC_CMD_SPEED_1000 2 +#define GENET_UMAC_CMD_RXEN __BIT(1) +#define GENET_UMAC_CMD_TXEN __BIT(0) +#define GENET_UMAC_MAC0 0x80c +#define GENET_UMAC_MAC1 0x810 +#define GENET_UMAC_MAX_FRAME_LEN 0x814 +#define GENET_UMAC_TX_FLUSH 0xb34 +#define GENET_UMAC_MIB_CTRL 0xd80 +#define GENET_UMAC_MIB_RESET_TX __BIT(2) +#define GENET_UMAC_MIB_RESET_RUNT __BIT(1) +#define GENET_UMAC_MIB_RESET_RX __BIT(0) +#define GENET_MDIO_CMD 0xe14 +#define GENET_MDIO_START_BUSY __BIT(29) +#define GENET_MDIO_READ __BIT(27) +#define GENET_MDIO_WRITE __BIT(26) +#define GENET_MDIO_PMD __BITS(25,21) +#define GENET_MDIO_REG __BITS(20,16) +#define GENET_UMAC_MDF_CTRL 0xe50 +#define GENET_UMAC_MDF_ADDR0(n) (0xe54 + (n) * 0x8) +#define GENET_UMAC_MDF_ADDR1(n) (0xe58 + (n) * 0x8) + +#define GENET_DMA_DESC_COUNT 256 +#define GENET_DMA_DESC_SIZE 12 +#define GENET_DMA_DEFAULT_QUEUE 16 + +#define GENET_DMA_RING_SIZE 0x40 +#define GENET_DMA_RINGS_SIZE (GENET_DMA_RING_SIZE * (GENET_DMA_DEFAULT_QUEUE + 1)) + +#define GENET_RX_BASE 0x2000 +#define GENET_TX_BASE 0x4000 + +#define GENET_RX_DMA_RINGBASE(qid) (GENET_RX_BASE + 0xc00 + GENET_DMA_RING_SIZE * (qid)) +#define GENET_RX_DMA_WRITE_PTR_LO(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x00) +#define GENET_RX_DMA_WRITE_PTR_HI(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x04) +#define GENET_RX_DMA_PROD_INDEX(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x08) +#define GENET_RX_DMA_CONS_INDEX(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x0c) +#define GENET_RX_DMA_RING_BUF_SIZE(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x10) +#define GENET_RX_DMA_RING_BUF_SIZE_DESC_COUNT __BITS(31,16) +#define GENET_RX_DMA_RING_BUF_SIZE_BUF_LENGTH __BITS(15,0) +#define GENET_RX_DMA_START_ADDR_LO(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x14) +#define GENET_RX_DMA_START_ADDR_HI(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x18) +#define GENET_RX_DMA_END_ADDR_LO(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x1c) +#define GENET_RX_DMA_END_ADDR_HI(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x20) +#define GENET_RX_DMA_XON_XOFF_THRES(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x28) +#define GENET_RX_DMA_XON_XOFF_THRES_LO __BITS(31,16) +#define GENET_RX_DMA_XON_XOFF_THRES_HI __BITS(15,0) +#define GENET_RX_DMA_READ_PTR_LO(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x2c) +#define GENET_RX_DMA_READ_PTR_HI(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x30) + +#define GENET_TX_DMA_RINGBASE(qid) (GENET_TX_BASE + 0xc00 + GENET_DMA_RING_SIZE * (qid)) +#define GENET_TX_DMA_READ_PTR_LO(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x00) +#define GENET_TX_DMA_READ_PTR_HI(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x04) +#define GENET_TX_DMA_CONS_INDEX(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x08) +#define GENET_TX_DMA_PROD_INDEX(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x0c) +#define GENET_TX_DMA_RING_BUF_SIZE(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x10) +#define GENET_TX_DMA_RING_BUF_SIZE_DESC_COUNT __BITS(31,16) +#define GENET_TX_DMA_RING_BUF_SIZE_BUF_LENGTH __BITS(15,0) +#define GENET_TX_DMA_START_ADDR_LO(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x14) +#define GENET_TX_DMA_START_ADDR_HI(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x18) +#define GENET_TX_DMA_END_ADDR_LO(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x1c) +#define GENET_TX_DMA_END_ADDR_HI(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x20) +#define GENET_TX_DMA_MBUF_DONE_THRES(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x24) +#define GENET_TX_DMA_FLOW_PERIOD(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x28) +#define GENET_TX_DMA_WRITE_PTR_LO(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x2c) +#define GENET_TX_DMA_WRITE_PTR_HI(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x30) + +#define GENET_RX_DESC_STATUS(idx) (GENET_RX_BASE + GENET_DMA_DESC_SIZE * (idx) + 0x00) +#define GENET_RX_DESC_STATUS_BUFLEN __BITS(27,16) +#define GENET_RX_DESC_STATUS_OWN __BIT(15) +#define GENET_RX_DESC_STATUS_EOP __BIT(14) +#define GENET_RX_DESC_STATUS_SOP __BIT(13) +#define GENET_RX_DESC_STATUS_RX_ERROR __BIT(2) +#define GENET_RX_DESC_ADDRESS_LO(idx) (GENET_RX_BASE + GENET_DMA_DESC_SIZE * (idx) + 0x04) +#define GENET_RX_DESC_ADDRESS_HI(idx) (GENET_RX_BASE + GENET_DMA_DESC_SIZE * (idx) + 0x08) + +#define GENET_TX_DESC_STATUS(idx) (GENET_TX_BASE + GENET_DMA_DESC_SIZE * (idx) + 0x00) +#define GENET_TX_DESC_STATUS_BUFLEN __BITS(27,16) +#define GENET_TX_DESC_STATUS_OWN __BIT(15) +#define GENET_TX_DESC_STATUS_EOP __BIT(14) +#define GENET_TX_DESC_STATUS_SOP __BIT(13) +#define GENET_TX_DESC_STATUS_QTAG __BITS(12,7) +#define GENET_TX_DESC_STATUS_CRC __BIT(6) +#define GENET_TX_DESC_ADDRESS_LO(idx) (GENET_TX_BASE + GENET_DMA_DESC_SIZE * (idx) + 0x04) +#define GENET_TX_DESC_ADDRESS_HI(idx) (GENET_TX_BASE + GENET_DMA_DESC_SIZE * (idx) + 0x08) + +#define GENET_RX_DMA_RING_CFG (GENET_RX_BASE + 0x1040 + 0x00) +#define GENET_RX_DMA_CTRL (GENET_RX_BASE + 0x1040 + 0x04) +#define GENET_RX_DMA_CTRL_RBUF_EN(qid) __BIT((qid) + 1) +#define GENET_RX_DMA_CTRL_EN __BIT(0) +#define GENET_RX_SCB_BURST_SIZE (GENET_RX_BASE + 0x1040 + 0x0c) + +#define GENET_TX_DMA_RING_CFG (GENET_TX_BASE + 0x1040 + 0x00) +#define GENET_TX_DMA_CTRL (GENET_TX_BASE + 0x1040 + 0x04) +#define GENET_TX_DMA_CTRL_RBUF_EN(qid) __BIT((qid) + 1) +#define GENET_TX_DMA_CTRL_EN __BIT(0) +#define GENET_TX_SCB_BURST_SIZE (GENET_TX_BASE + 0x1040 + 0x0c) + +#endif /* !_BCMGENETREG_H */ -- cgit v1.2.3