From: Alexandre TORGUE Date: Fri, 1 Apr 2016 09:37:29 +0000 (+0200) Subject: stmmac: add GMAC4 DMA/CORE Header File X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=35f74c0c5dce138bd9000d98abf4959af782a96d;p=linux-beck.git stmmac: add GMAC4 DMA/CORE Header File This is the main header file to define all the macro used for GMAC4 DMA and CORE parts. Signed-off-by: Alexandre TORGUE Signed-off-by: Giuseppe Cavallaro Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h new file mode 100644 index 000000000000..c12f15c9b351 --- /dev/null +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h @@ -0,0 +1,224 @@ +/* + * DWMAC4 Header file. + * + * Copyright (C) 2015 STMicroelectronics Ltd + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * Author: Alexandre Torgue + */ + +#ifndef __DWMAC4_H__ +#define __DWMAC4_H__ + +#include "common.h" + +/* MAC registers */ +#define GMAC_CONFIG 0x00000000 +#define GMAC_PACKET_FILTER 0x00000008 +#define GMAC_HASH_TAB_0_31 0x00000010 +#define GMAC_HASH_TAB_32_63 0x00000014 +#define GMAC_RX_FLOW_CTRL 0x00000090 +#define GMAC_QX_TX_FLOW_CTRL(x) (0x70 + x * 4) +#define GMAC_INT_STATUS 0x000000b0 +#define GMAC_INT_EN 0x000000b4 +#define GMAC_AN_CTRL 0x000000e0 +#define GMAC_AN_STATUS 0x000000e4 +#define GMAC_AN_ADV 0x000000e8 +#define GMAC_AN_LPA 0x000000ec +#define GMAC_PMT 0x000000c0 +#define GMAC_VERSION 0x00000110 +#define GMAC_DEBUG 0x00000114 +#define GMAC_HW_FEATURE0 0x0000011c +#define GMAC_HW_FEATURE1 0x00000120 +#define GMAC_HW_FEATURE2 0x00000124 +#define GMAC_MDIO_ADDR 0x00000200 +#define GMAC_MDIO_DATA 0x00000204 +#define GMAC_ADDR_HIGH(reg) (0x300 + reg * 8) +#define GMAC_ADDR_LOW(reg) (0x304 + reg * 8) + +/* MAC Packet Filtering */ +#define GMAC_PACKET_FILTER_PR BIT(0) +#define GMAC_PACKET_FILTER_HMC BIT(2) +#define GMAC_PACKET_FILTER_PM BIT(4) + +#define GMAC_MAX_PERFECT_ADDRESSES 128 + +/* MAC Flow Control RX */ +#define GMAC_RX_FLOW_CTRL_RFE BIT(0) + +/* MAC Flow Control TX */ +#define GMAC_TX_FLOW_CTRL_TFE BIT(1) +#define GMAC_TX_FLOW_CTRL_PT_SHIFT 16 + +/* MAC Interrupt bitmap*/ +#define GMAC_INT_PMT_EN BIT(4) +#define GMAC_INT_LPI_EN BIT(5) + +enum dwmac4_irq_status { + time_stamp_irq = 0x00001000, + mmc_rx_csum_offload_irq = 0x00000800, + mmc_tx_irq = 0x00000400, + mmc_rx_irq = 0x00000200, + mmc_irq = 0x00000100, + pmt_irq = 0x00000010, + pcs_ane_irq = 0x00000004, + pcs_link_irq = 0x00000002, +}; + +/* MAC Auto-Neg bitmap*/ +#define GMAC_AN_CTRL_RAN BIT(9) +#define GMAC_AN_CTRL_ANE BIT(12) +#define GMAC_AN_CTRL_ELE BIT(14) +#define GMAC_AN_FD BIT(5) +#define GMAC_AN_HD BIT(6) +#define GMAC_AN_PSE_MASK GENMASK(8, 7) +#define GMAC_AN_PSE_SHIFT 7 + +/* MAC PMT bitmap */ +enum power_event { + pointer_reset = 0x80000000, + global_unicast = 0x00000200, + wake_up_rx_frame = 0x00000040, + magic_frame = 0x00000020, + wake_up_frame_en = 0x00000004, + magic_pkt_en = 0x00000002, + power_down = 0x00000001, +}; + +/* MAC Debug bitmap */ +#define GMAC_DEBUG_TFCSTS_MASK GENMASK(18, 17) +#define GMAC_DEBUG_TFCSTS_SHIFT 17 +#define GMAC_DEBUG_TFCSTS_IDLE 0 +#define GMAC_DEBUG_TFCSTS_WAIT 1 +#define GMAC_DEBUG_TFCSTS_GEN_PAUSE 2 +#define GMAC_DEBUG_TFCSTS_XFER 3 +#define GMAC_DEBUG_TPESTS BIT(16) +#define GMAC_DEBUG_RFCFCSTS_MASK GENMASK(2, 1) +#define GMAC_DEBUG_RFCFCSTS_SHIFT 1 +#define GMAC_DEBUG_RPESTS BIT(0) + +/* MAC config */ +#define GMAC_CONFIG_IPC BIT(27) +#define GMAC_CONFIG_2K BIT(22) +#define GMAC_CONFIG_ACS BIT(20) +#define GMAC_CONFIG_BE BIT(18) +#define GMAC_CONFIG_JD BIT(17) +#define GMAC_CONFIG_JE BIT(16) +#define GMAC_CONFIG_PS BIT(15) +#define GMAC_CONFIG_FES BIT(14) +#define GMAC_CONFIG_DM BIT(13) +#define GMAC_CONFIG_DCRS BIT(9) +#define GMAC_CONFIG_TE BIT(1) +#define GMAC_CONFIG_RE BIT(0) + +/* MAC HW features0 bitmap */ +#define GMAC_HW_FEAT_ADDMAC BIT(18) +#define GMAC_HW_FEAT_RXCOESEL BIT(16) +#define GMAC_HW_FEAT_TXCOSEL BIT(14) +#define GMAC_HW_FEAT_EEESEL BIT(13) +#define GMAC_HW_FEAT_TSSEL BIT(12) +#define GMAC_HW_FEAT_MMCSEL BIT(8) +#define GMAC_HW_FEAT_MGKSEL BIT(7) +#define GMAC_HW_FEAT_RWKSEL BIT(6) +#define GMAC_HW_FEAT_SMASEL BIT(5) +#define GMAC_HW_FEAT_VLHASH BIT(4) +#define GMAC_HW_FEAT_PCSSEL BIT(3) +#define GMAC_HW_FEAT_HDSEL BIT(2) +#define GMAC_HW_FEAT_GMIISEL BIT(1) +#define GMAC_HW_FEAT_MIISEL BIT(0) + +/* MAC HW features1 bitmap */ +#define GMAC_HW_FEAT_AVSEL BIT(20) +#define GMAC_HW_TSOEN BIT(18) + +/* MAC HW features2 bitmap */ +#define GMAC_HW_FEAT_TXCHCNT GENMASK(21, 18) +#define GMAC_HW_FEAT_RXCHCNT GENMASK(15, 12) + +/* MAC HW ADDR regs */ +#define GMAC_HI_DCS GENMASK(18, 16) +#define GMAC_HI_DCS_SHIFT 16 +#define GMAC_HI_REG_AE BIT(31) + +/* MTL registers */ +#define MTL_INT_STATUS 0x00000c20 +#define MTL_INT_Q0 BIT(0) + +#define MTL_CHAN_BASE_ADDR 0x00000d00 +#define MTL_CHAN_BASE_OFFSET 0x40 +#define MTL_CHANX_BASE_ADDR(x) (MTL_CHAN_BASE_ADDR + \ + (x * MTL_CHAN_BASE_OFFSET)) + +#define MTL_CHAN_TX_OP_MODE(x) MTL_CHANX_BASE_ADDR(x) +#define MTL_CHAN_TX_DEBUG(x) (MTL_CHANX_BASE_ADDR(x) + 0x8) +#define MTL_CHAN_INT_CTRL(x) (MTL_CHANX_BASE_ADDR(x) + 0x2c) +#define MTL_CHAN_RX_OP_MODE(x) (MTL_CHANX_BASE_ADDR(x) + 0x30) +#define MTL_CHAN_RX_DEBUG(x) (MTL_CHANX_BASE_ADDR(x) + 0x38) + +#define MTL_OP_MODE_RSF BIT(5) +#define MTL_OP_MODE_TSF BIT(1) + +#define MTL_OP_MODE_TTC_MASK 0x70 +#define MTL_OP_MODE_TTC_SHIFT 4 + +#define MTL_OP_MODE_TTC_32 0 +#define MTL_OP_MODE_TTC_64 (1 << MTL_OP_MODE_TTC_SHIFT) +#define MTL_OP_MODE_TTC_96 (2 << MTL_OP_MODE_TTC_SHIFT) +#define MTL_OP_MODE_TTC_128 (3 << MTL_OP_MODE_TTC_SHIFT) +#define MTL_OP_MODE_TTC_192 (4 << MTL_OP_MODE_TTC_SHIFT) +#define MTL_OP_MODE_TTC_256 (5 << MTL_OP_MODE_TTC_SHIFT) +#define MTL_OP_MODE_TTC_384 (6 << MTL_OP_MODE_TTC_SHIFT) +#define MTL_OP_MODE_TTC_512 (7 << MTL_OP_MODE_TTC_SHIFT) + +#define MTL_OP_MODE_RTC_MASK 0x18 +#define MTL_OP_MODE_RTC_SHIFT 3 + +#define MTL_OP_MODE_RTC_32 (1 << MTL_OP_MODE_RTC_SHIFT) +#define MTL_OP_MODE_RTC_64 0 +#define MTL_OP_MODE_RTC_96 (2 << MTL_OP_MODE_RTC_SHIFT) +#define MTL_OP_MODE_RTC_128 (3 << MTL_OP_MODE_RTC_SHIFT) + +/* MTL debug */ +#define MTL_DEBUG_TXSTSFSTS BIT(5) +#define MTL_DEBUG_TXFSTS BIT(4) +#define MTL_DEBUG_TWCSTS BIT(3) + +/* MTL debug: Tx FIFO Read Controller Status */ +#define MTL_DEBUG_TRCSTS_MASK GENMASK(2, 1) +#define MTL_DEBUG_TRCSTS_SHIFT 1 +#define MTL_DEBUG_TRCSTS_IDLE 0 +#define MTL_DEBUG_TRCSTS_READ 1 +#define MTL_DEBUG_TRCSTS_TXW 2 +#define MTL_DEBUG_TRCSTS_WRITE 3 +#define MTL_DEBUG_TXPAUSED BIT(0) + +/* MAC debug: GMII or MII Transmit Protocol Engine Status */ +#define MTL_DEBUG_RXFSTS_MASK GENMASK(5, 4) +#define MTL_DEBUG_RXFSTS_SHIFT 4 +#define MTL_DEBUG_RXFSTS_EMPTY 0 +#define MTL_DEBUG_RXFSTS_BT 1 +#define MTL_DEBUG_RXFSTS_AT 2 +#define MTL_DEBUG_RXFSTS_FULL 3 +#define MTL_DEBUG_RRCSTS_MASK GENMASK(2, 1) +#define MTL_DEBUG_RRCSTS_SHIFT 1 +#define MTL_DEBUG_RRCSTS_IDLE 0 +#define MTL_DEBUG_RRCSTS_RDATA 1 +#define MTL_DEBUG_RRCSTS_RSTAT 2 +#define MTL_DEBUG_RRCSTS_FLUSH 3 +#define MTL_DEBUG_RWCSTS BIT(0) + +/* MTL interrupt */ +#define MTL_RX_OVERFLOW_INT_EN BIT(24) +#define MTL_RX_OVERFLOW_INT BIT(16) + +/* Default operating mode of the MAC */ +#define GMAC_CORE_INIT (GMAC_CONFIG_JD | GMAC_CONFIG_PS | GMAC_CONFIG_ACS | \ + GMAC_CONFIG_BE | GMAC_CONFIG_DCRS) + +/* To dump the core regs excluding the Address Registers */ +#define GMAC_REG_NUM 132 + +#endif /* __DWMAC4_H__ */