740 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			740 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
 | |
| /*
 | |
|  * Aquantia PHY drivers
 | |
|  *
 | |
|  * Copyright 2014 Freescale Semiconductor, Inc.
 | |
|  * Copyright 2018, 2021 NXP
 | |
|  */
 | |
| #include <config.h>
 | |
| #include <common.h>
 | |
| #include <dm.h>
 | |
| #include <log.h>
 | |
| #include <net.h>
 | |
| #include <phy.h>
 | |
| #include <linux/bitops.h>
 | |
| #include <linux/delay.h>
 | |
| #include <u-boot/crc.h>
 | |
| #include <malloc.h>
 | |
| #include <asm/byteorder.h>
 | |
| #include <fs.h>
 | |
| 
 | |
| #define AQUNTIA_10G_CTL		0x20
 | |
| #define AQUNTIA_VENDOR_P1	0xc400
 | |
| 
 | |
| #define AQUNTIA_SPEED_LSB_MASK	0x2000
 | |
| #define AQUNTIA_SPEED_MSB_MASK	0x40
 | |
| 
 | |
| #define AQUANTIA_SYSTEM_INTERFACE_SR     0xe812
 | |
| #define  AQUANTIA_SYSTEM_INTERFACE_SR_READY	BIT(0)
 | |
| #define AQUANTIA_VENDOR_PROVISIONING_REG 0xC441
 | |
| #define AQUANTIA_FIRMWARE_ID		 0x20
 | |
| #define AQUANTIA_RESERVED_STATUS	 0xc885
 | |
| #define AQUANTIA_FIRMWARE_MAJOR_MASK	 0xff00
 | |
| #define AQUANTIA_FIRMWARE_MINOR_MASK	 0xff
 | |
| #define AQUANTIA_FIRMWARE_BUILD_MASK	 0xf0
 | |
| 
 | |
| #define AQUANTIA_USX_AUTONEG_CONTROL_ENA 0x0008
 | |
| #define AQUANTIA_SI_IN_USE_MASK          0x0078
 | |
| #define AQUANTIA_SI_USXGMII              0x0018
 | |
| 
 | |
| /* registers in MDIO_MMD_VEND1 region */
 | |
| #define AQUANTIA_VND1_GLOBAL_SC			0x000
 | |
| #define  AQUANTIA_VND1_GLOBAL_SC_LP		BIT(0xb)
 | |
| 
 | |
| #define GLOBAL_FIRMWARE_ID 0x20
 | |
| #define GLOBAL_FAULT 0xc850
 | |
| #define GLOBAL_RSTATUS_1 0xc885
 | |
| 
 | |
| #define GLOBAL_ALARM_1 0xcc00
 | |
| #define SYSTEM_READY_BIT 0x40
 | |
| 
 | |
| #define GLOBAL_STANDARD_CONTROL 0x0
 | |
| #define SOFT_RESET BIT(15)
 | |
| #define LOW_POWER BIT(11)
 | |
| 
 | |
| #define MAILBOX_CONTROL 0x0200
 | |
| #define MAILBOX_EXECUTE BIT(15)
 | |
| #define MAILBOX_WRITE BIT(14)
 | |
| #define MAILBOX_RESET_CRC BIT(12)
 | |
| #define MAILBOX_BUSY BIT(8)
 | |
| 
 | |
| #define MAILBOX_CRC 0x0201
 | |
| 
 | |
| #define MAILBOX_ADDR_MSW 0x0202
 | |
| #define MAILBOX_ADDR_LSW 0x0203
 | |
| 
 | |
| #define MAILBOX_DATA_MSW 0x0204
 | |
| #define MAILBOX_DATA_LSW 0x0205
 | |
| 
 | |
| #define UP_CONTROL 0xc001
 | |
| #define UP_RESET BIT(15)
 | |
| #define UP_RUN_STALL_OVERRIDE BIT(6)
 | |
| #define UP_RUN_STALL BIT(0)
 | |
| 
 | |
| #define AQUANTIA_PMA_RX_VENDOR_P1		0xe400
 | |
| #define  AQUANTIA_PMA_RX_VENDOR_P1_MDI_MSK	GENMASK(1, 0)
 | |
| /* MDI reversal configured through registers */
 | |
| #define  AQUANTIA_PMA_RX_VENDOR_P1_MDI_CFG	BIT(1)
 | |
| /* MDI reversal enabled */
 | |
| #define  AQUANTIA_PMA_RX_VENDOR_P1_MDI_REV	BIT(0)
 | |
| 
 | |
| /*
 | |
|  * global start rate, the protocol associated with this speed is used by default
 | |
|  * on SI.
 | |
|  */
 | |
| #define AQUANTIA_VND1_GSTART_RATE		0x31a
 | |
| #define  AQUANTIA_VND1_GSTART_RATE_OFF		0
 | |
| #define  AQUANTIA_VND1_GSTART_RATE_100M		1
 | |
| #define  AQUANTIA_VND1_GSTART_RATE_1G		2
 | |
| #define  AQUANTIA_VND1_GSTART_RATE_10G		3
 | |
| #define  AQUANTIA_VND1_GSTART_RATE_2_5G		4
 | |
| #define  AQUANTIA_VND1_GSTART_RATE_5G		5
 | |
| 
 | |
| /* SYSCFG registers for 100M, 1G, 2.5G, 5G, 10G */
 | |
| #define AQUANTIA_VND1_GSYSCFG_BASE		0x31b
 | |
| #define AQUANTIA_VND1_GSYSCFG_100M		0
 | |
| #define AQUANTIA_VND1_GSYSCFG_1G		1
 | |
| #define AQUANTIA_VND1_GSYSCFG_2_5G		2
 | |
| #define AQUANTIA_VND1_GSYSCFG_5G		3
 | |
| #define AQUANTIA_VND1_GSYSCFG_10G		4
 | |
| 
 | |
| #define AQUANTIA_VND1_SMBUS0			0xc485
 | |
| #define AQUANTIA_VND1_SMBUS1			0xc495
 | |
| 
 | |
| /* addresses of memory segments in the phy */
 | |
| #define DRAM_BASE_ADDR 0x3FFE0000
 | |
| #define IRAM_BASE_ADDR 0x40000000
 | |
| 
 | |
| /* firmware image format constants */
 | |
| #define VERSION_STRING_SIZE 0x40
 | |
| #define VERSION_STRING_OFFSET 0x0200
 | |
| #define HEADER_OFFSET 0x300
 | |
| 
 | |
| /* driver private data */
 | |
| #define AQUANTIA_NA		0
 | |
| #define AQUANTIA_GEN1		1
 | |
| #define AQUANTIA_GEN2		2
 | |
| #define AQUANTIA_GEN3		3
 | |
| 
 | |
| #pragma pack(1)
 | |
| struct fw_header {
 | |
| 	u8 padding[4];
 | |
| 	u8 iram_offset[3];
 | |
| 	u8 iram_size[3];
 | |
| 	u8 dram_offset[3];
 | |
| 	u8 dram_size[3];
 | |
| };
 | |
| 
 | |
| #pragma pack()
 | |
| 
 | |
| #if defined(CONFIG_PHY_AQUANTIA_UPLOAD_FW)
 | |
| static int aquantia_read_fw(u8 **fw_addr, size_t *fw_length)
 | |
| {
 | |
| 	loff_t length, read;
 | |
| 	int ret;
 | |
| 	void *addr = NULL;
 | |
| 
 | |
| 	*fw_addr = NULL;
 | |
| 	*fw_length = 0;
 | |
| 	debug("Loading Acquantia microcode from %s %s\n",
 | |
| 	      CONFIG_PHY_AQUANTIA_FW_PART, CONFIG_PHY_AQUANTIA_FW_NAME);
 | |
| 	ret = fs_set_blk_dev("mmc", CONFIG_PHY_AQUANTIA_FW_PART, FS_TYPE_ANY);
 | |
| 	if (ret < 0)
 | |
| 		goto cleanup;
 | |
| 
 | |
| 	ret = fs_size(CONFIG_PHY_AQUANTIA_FW_NAME, &length);
 | |
| 	if (ret < 0)
 | |
| 		goto cleanup;
 | |
| 
 | |
| 	addr = malloc(length);
 | |
| 	if (!addr) {
 | |
| 		ret = -ENOMEM;
 | |
| 		goto cleanup;
 | |
| 	}
 | |
| 
 | |
| 	ret = fs_set_blk_dev("mmc", CONFIG_PHY_AQUANTIA_FW_PART, FS_TYPE_ANY);
 | |
| 	if (ret < 0)
 | |
| 		goto cleanup;
 | |
| 
 | |
| 	ret = fs_read(CONFIG_PHY_AQUANTIA_FW_NAME, (ulong)addr, 0, length,
 | |
| 		      &read);
 | |
| 	if (ret < 0)
 | |
| 		goto cleanup;
 | |
| 
 | |
| 	*fw_addr = addr;
 | |
| 	*fw_length = length;
 | |
| 	debug("Found Acquantia microcode.\n");
 | |
| 
 | |
| cleanup:
 | |
| 	if (ret < 0) {
 | |
| 		printf("loading firmware file %s %s failed with error %d\n",
 | |
| 		       CONFIG_PHY_AQUANTIA_FW_PART,
 | |
| 		       CONFIG_PHY_AQUANTIA_FW_NAME, ret);
 | |
| 		free(addr);
 | |
| 	}
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| /* load data into the phy's memory */
 | |
| static int aquantia_load_memory(struct phy_device *phydev, u32 addr,
 | |
| 				const u8 *data, size_t len)
 | |
| {
 | |
| 	size_t pos;
 | |
| 	u16 crc = 0, up_crc;
 | |
| 
 | |
| 	phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_CONTROL, MAILBOX_RESET_CRC);
 | |
| 	phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_ADDR_MSW, addr >> 16);
 | |
| 	phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_ADDR_LSW, addr & 0xfffc);
 | |
| 
 | |
| 	for (pos = 0; pos < len; pos += min(sizeof(u32), len - pos)) {
 | |
| 		u32 word = 0;
 | |
| 
 | |
| 		memcpy(&word, &data[pos], min(sizeof(u32), len - pos));
 | |
| 
 | |
| 		phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_DATA_MSW,
 | |
| 			  (word >> 16));
 | |
| 		phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_DATA_LSW,
 | |
| 			  word & 0xffff);
 | |
| 
 | |
| 		phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_CONTROL,
 | |
| 			  MAILBOX_EXECUTE | MAILBOX_WRITE);
 | |
| 
 | |
| 		/* keep a big endian CRC to match the phy processor */
 | |
| 		word = cpu_to_be32(word);
 | |
| 		crc = crc16_ccitt(crc, (u8 *)&word, sizeof(word));
 | |
| 	}
 | |
| 
 | |
| 	up_crc = phy_read(phydev, MDIO_MMD_VEND1, MAILBOX_CRC);
 | |
| 	if (crc != up_crc) {
 | |
| 		printf("%s crc mismatch: calculated 0x%04hx phy 0x%04hx\n",
 | |
| 		       phydev->dev->name, crc, up_crc);
 | |
| 		return -EINVAL;
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static u32 unpack_u24(const u8 *data)
 | |
| {
 | |
| 	return (data[2] << 16) + (data[1] << 8) + data[0];
 | |
| }
 | |
| 
 | |
| static int aquantia_upload_firmware(struct phy_device *phydev)
 | |
| {
 | |
| 	int ret;
 | |
| 	u8 *addr = NULL;
 | |
| 	size_t fw_length = 0;
 | |
| 	u16 calculated_crc, read_crc;
 | |
| 	char version[VERSION_STRING_SIZE];
 | |
| 	u32 primary_offset, iram_offset, iram_size, dram_offset, dram_size;
 | |
| 	const struct fw_header *header;
 | |
| 
 | |
| 	ret = aquantia_read_fw(&addr, &fw_length);
 | |
| 	if (ret != 0)
 | |
| 		return ret;
 | |
| 
 | |
| 	read_crc = (addr[fw_length - 2] << 8)  | addr[fw_length - 1];
 | |
| 	calculated_crc = crc16_ccitt(0, addr, fw_length - 2);
 | |
| 	if (read_crc != calculated_crc) {
 | |
| 		printf("%s bad firmware crc: file 0x%04x calculated 0x%04x\n",
 | |
| 		       phydev->dev->name, read_crc, calculated_crc);
 | |
| 		ret = -EINVAL;
 | |
| 		goto done;
 | |
| 	}
 | |
| 
 | |
| 	/* Find the DRAM and IRAM sections within the firmware file. */
 | |
| 	primary_offset = ((addr[9] & 0xf) << 8 | addr[8]) << 12;
 | |
| 
 | |
| 	header = (struct fw_header *)&addr[primary_offset + HEADER_OFFSET];
 | |
| 
 | |
| 	iram_offset = primary_offset + unpack_u24(header->iram_offset);
 | |
| 	iram_size = unpack_u24(header->iram_size);
 | |
| 
 | |
| 	dram_offset = primary_offset + unpack_u24(header->dram_offset);
 | |
| 	dram_size = unpack_u24(header->dram_size);
 | |
| 
 | |
| 	debug("primary %d iram offset=%d size=%d dram offset=%d size=%d\n",
 | |
| 	      primary_offset, iram_offset, iram_size, dram_offset, dram_size);
 | |
| 
 | |
| 	strlcpy(version, (char *)&addr[dram_offset + VERSION_STRING_OFFSET],
 | |
| 		VERSION_STRING_SIZE);
 | |
| 	printf("%s loading firmare version '%s'\n", phydev->dev->name, version);
 | |
| 
 | |
| 	/* stall the microcprocessor */
 | |
| 	phy_write(phydev, MDIO_MMD_VEND1, UP_CONTROL,
 | |
| 		  UP_RUN_STALL | UP_RUN_STALL_OVERRIDE);
 | |
| 
 | |
| 	debug("loading dram 0x%08x from offset=%d size=%d\n",
 | |
| 	      DRAM_BASE_ADDR, dram_offset, dram_size);
 | |
| 	ret = aquantia_load_memory(phydev, DRAM_BASE_ADDR, &addr[dram_offset],
 | |
| 				   dram_size);
 | |
| 	if (ret != 0)
 | |
| 		goto done;
 | |
| 
 | |
| 	debug("loading iram 0x%08x from offset=%d size=%d\n",
 | |
| 	      IRAM_BASE_ADDR, iram_offset, iram_size);
 | |
| 	ret = aquantia_load_memory(phydev, IRAM_BASE_ADDR, &addr[iram_offset],
 | |
| 				   iram_size);
 | |
| 	if (ret != 0)
 | |
| 		goto done;
 | |
| 
 | |
| 	/* make sure soft reset and low power mode are clear */
 | |
| 	phy_write(phydev, MDIO_MMD_VEND1, GLOBAL_STANDARD_CONTROL, 0);
 | |
| 
 | |
| 	/* Release the microprocessor. UP_RESET must be held for 100 usec. */
 | |
| 	phy_write(phydev, MDIO_MMD_VEND1, UP_CONTROL,
 | |
| 		  UP_RUN_STALL | UP_RUN_STALL_OVERRIDE | UP_RESET);
 | |
| 
 | |
| 	udelay(100);
 | |
| 
 | |
| 	phy_write(phydev, MDIO_MMD_VEND1, UP_CONTROL, UP_RUN_STALL_OVERRIDE);
 | |
| 
 | |
| 	printf("%s firmare loading done.\n", phydev->dev->name);
 | |
| done:
 | |
| 	free(addr);
 | |
| 	return ret;
 | |
| }
 | |
| #else
 | |
| static int aquantia_upload_firmware(struct phy_device *phydev)
 | |
| {
 | |
| 	printf("ERROR %s firmware loading disabled.\n", phydev->dev->name);
 | |
| 	return -1;
 | |
| }
 | |
| #endif
 | |
| 
 | |
| struct {
 | |
| 	u16 syscfg;
 | |
| 	int cnt;
 | |
| 	u16 start_rate;
 | |
| } aquantia_syscfg[PHY_INTERFACE_MODE_MAX] = {
 | |
| 	[PHY_INTERFACE_MODE_SGMII] =      {0x04b, AQUANTIA_VND1_GSYSCFG_1G,
 | |
| 					   AQUANTIA_VND1_GSTART_RATE_1G},
 | |
| 	[PHY_INTERFACE_MODE_2500BASEX]  = {0x144, AQUANTIA_VND1_GSYSCFG_2_5G,
 | |
| 					   AQUANTIA_VND1_GSTART_RATE_2_5G},
 | |
| 	[PHY_INTERFACE_MODE_10GBASER] =   {0x100, AQUANTIA_VND1_GSYSCFG_10G,
 | |
| 					   AQUANTIA_VND1_GSTART_RATE_10G},
 | |
| 	[PHY_INTERFACE_MODE_USXGMII] =    {0x080, AQUANTIA_VND1_GSYSCFG_10G,
 | |
| 					   AQUANTIA_VND1_GSTART_RATE_10G},
 | |
| };
 | |
| 
 | |
| static int aquantia_set_proto(struct phy_device *phydev,
 | |
| 			      phy_interface_t interface)
 | |
| {
 | |
| 	int i;
 | |
| 
 | |
| 	if (!aquantia_syscfg[interface].cnt)
 | |
| 		return 0;
 | |
| 
 | |
| 	/* set the default rate to enable the SI link */
 | |
| 	phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GSTART_RATE,
 | |
| 		  aquantia_syscfg[interface].start_rate);
 | |
| 
 | |
| 	/* set selected protocol for all relevant line side link speeds */
 | |
| 	for (i = 0; i <= aquantia_syscfg[interface].cnt; i++)
 | |
| 		phy_write(phydev, MDIO_MMD_VEND1,
 | |
| 			  AQUANTIA_VND1_GSYSCFG_BASE + i,
 | |
| 			  aquantia_syscfg[interface].syscfg);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int aquantia_dts_config(struct phy_device *phydev)
 | |
| {
 | |
| #ifdef CONFIG_DM_ETH
 | |
| 	ofnode node = phydev->node;
 | |
| 	u32 prop;
 | |
| 	u16 reg;
 | |
| 
 | |
| 	/* this code only works on gen2 and gen3 PHYs */
 | |
| 	if (phydev->drv->data != AQUANTIA_GEN2 &&
 | |
| 	    phydev->drv->data != AQUANTIA_GEN3)
 | |
| 		return -ENOTSUPP;
 | |
| 
 | |
| 	if (!ofnode_valid(node))
 | |
| 		return 0;
 | |
| 
 | |
| 	if (!ofnode_read_u32(node, "mdi-reversal", &prop)) {
 | |
| 		debug("mdi-reversal = %d\n", (int)prop);
 | |
| 		reg =  phy_read(phydev, MDIO_MMD_PMAPMD,
 | |
| 				AQUANTIA_PMA_RX_VENDOR_P1);
 | |
| 		reg &= ~AQUANTIA_PMA_RX_VENDOR_P1_MDI_MSK;
 | |
| 		reg |= AQUANTIA_PMA_RX_VENDOR_P1_MDI_CFG;
 | |
| 		reg |= prop ? AQUANTIA_PMA_RX_VENDOR_P1_MDI_REV : 0;
 | |
| 		phy_write(phydev, MDIO_MMD_PMAPMD, AQUANTIA_PMA_RX_VENDOR_P1,
 | |
| 			  reg);
 | |
| 	}
 | |
| 	if (!ofnode_read_u32(node, "smb-addr", &prop)) {
 | |
| 		debug("smb-addr = %x\n", (int)prop);
 | |
| 		/*
 | |
| 		 * there are two addresses here, normally just one bus would
 | |
| 		 * be in use so we're setting both regs using the same DT
 | |
| 		 * property.
 | |
| 		 */
 | |
| 		phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_SMBUS0,
 | |
| 			  (u16)(prop << 1));
 | |
| 		phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_SMBUS1,
 | |
| 			  (u16)(prop << 1));
 | |
| 	}
 | |
| 
 | |
| #endif
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static bool aquantia_link_is_up(struct phy_device *phydev)
 | |
| {
 | |
| 	u16 reg, regmask;
 | |
| 	int devad, regnum;
 | |
| 
 | |
| 	/*
 | |
| 	 * On Gen 2 and 3 we have a bit that indicates that both system and
 | |
| 	 * line side are ready for data, use that if possible.
 | |
| 	 */
 | |
| 	if (phydev->drv->data == AQUANTIA_GEN2 ||
 | |
| 	    phydev->drv->data == AQUANTIA_GEN3) {
 | |
| 		devad = MDIO_MMD_PHYXS;
 | |
| 		regnum = AQUANTIA_SYSTEM_INTERFACE_SR;
 | |
| 		regmask = AQUANTIA_SYSTEM_INTERFACE_SR_READY;
 | |
| 	} else {
 | |
| 		devad = MDIO_MMD_AN;
 | |
| 		regnum = MDIO_STAT1;
 | |
| 		regmask = MDIO_AN_STAT1_COMPLETE;
 | |
| 	}
 | |
| 	/* the register should be latched, do a double read */
 | |
| 	phy_read(phydev, devad, regnum);
 | |
| 	reg = phy_read(phydev, devad, regnum);
 | |
| 
 | |
| 	return !!(reg & regmask);
 | |
| }
 | |
| 
 | |
| int aquantia_config(struct phy_device *phydev)
 | |
| {
 | |
| 	int interface = phydev->interface;
 | |
| 	u32 val, id, rstatus, fault;
 | |
| 	u32 reg_val1 = 0;
 | |
| 	int num_retries = 5;
 | |
| 	int usx_an = 0;
 | |
| 
 | |
| 	/*
 | |
| 	 * check if the system is out of reset and init sequence completed.
 | |
| 	 * chip-wide reset for gen1 quad phys takes longer
 | |
| 	 */
 | |
| 	while (--num_retries) {
 | |
| 		rstatus = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_ALARM_1);
 | |
| 		if (rstatus & SYSTEM_READY_BIT)
 | |
| 			break;
 | |
| 		mdelay(10);
 | |
| 	}
 | |
| 
 | |
| 	id = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_FIRMWARE_ID);
 | |
| 	rstatus = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_RSTATUS_1);
 | |
| 	fault = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_FAULT);
 | |
| 
 | |
| 	if (id != 0)
 | |
| 		debug("%s running firmware version %X.%X.%X\n",
 | |
| 		      phydev->dev->name, (id >> 8), id & 0xff,
 | |
| 		      (rstatus >> 4) & 0xf);
 | |
| 
 | |
| 	if (fault != 0)
 | |
| 		printf("%s fault 0x%04x detected\n", phydev->dev->name, fault);
 | |
| 
 | |
| 	if (id == 0 || fault != 0) {
 | |
| 		int ret;
 | |
| 
 | |
| 		ret = aquantia_upload_firmware(phydev);
 | |
| 		if (ret != 0)
 | |
| 			return ret;
 | |
| 	}
 | |
| 	/*
 | |
| 	 * for backward compatibility convert XGMII into either 10GBase-R or
 | |
| 	 * USXGMII based on FW config
 | |
| 	 */
 | |
| 	if (interface == PHY_INTERFACE_MODE_XGMII) {
 | |
| 		debug("use 10GBase-R or USXGMII SI protos, XGMII is not valid\n");
 | |
| 
 | |
| 		reg_val1 = phy_read(phydev, MDIO_MMD_PHYXS,
 | |
| 				    AQUANTIA_SYSTEM_INTERFACE_SR);
 | |
| 		if ((reg_val1 & AQUANTIA_SI_IN_USE_MASK) == AQUANTIA_SI_USXGMII)
 | |
| 			interface = PHY_INTERFACE_MODE_USXGMII;
 | |
| 		else
 | |
| 			interface = PHY_INTERFACE_MODE_10GBASER;
 | |
| 	}
 | |
| 
 | |
| 	/*
 | |
| 	 * if link is up already we can just use it, otherwise configure
 | |
| 	 * the protocols in the PHY.  If link is down set the system
 | |
| 	 * interface protocol to use based on phydev->interface
 | |
| 	 */
 | |
| 	if (!aquantia_link_is_up(phydev) &&
 | |
| 	    (phydev->drv->data == AQUANTIA_GEN2 ||
 | |
| 	     phydev->drv->data == AQUANTIA_GEN3)) {
 | |
| 		/* set PHY in low power mode so we can configure protocols */
 | |
| 		phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GLOBAL_SC,
 | |
| 			  AQUANTIA_VND1_GLOBAL_SC_LP);
 | |
| 		mdelay(10);
 | |
| 
 | |
| 		/* configure protocol based on phydev->interface */
 | |
| 		aquantia_set_proto(phydev, interface);
 | |
| 		/* apply custom configuration based on DT */
 | |
| 		aquantia_dts_config(phydev);
 | |
| 
 | |
| 		/* wake PHY back up */
 | |
| 		phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GLOBAL_SC, 0);
 | |
| 		mdelay(10);
 | |
| 	}
 | |
| 
 | |
| 	val = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR);
 | |
| 
 | |
| 	switch (interface) {
 | |
| 	case PHY_INTERFACE_MODE_SGMII:
 | |
| 		/* 1000BASE-T mode */
 | |
| 		phydev->advertising = SUPPORTED_1000baseT_Full;
 | |
| 		phydev->supported = phydev->advertising;
 | |
| 
 | |
| 		val = (val & ~AQUNTIA_SPEED_LSB_MASK) | AQUNTIA_SPEED_MSB_MASK;
 | |
| 		phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val);
 | |
| 		break;
 | |
| 	case PHY_INTERFACE_MODE_USXGMII:
 | |
| 		usx_an = 1;
 | |
| 		/* FALLTHROUGH */
 | |
| 	case PHY_INTERFACE_MODE_10GBASER:
 | |
| 		/* 10GBASE-T mode */
 | |
| 		phydev->advertising = SUPPORTED_10000baseT_Full;
 | |
| 		phydev->supported = phydev->advertising;
 | |
| 
 | |
| 		if (!(val & AQUNTIA_SPEED_LSB_MASK) ||
 | |
| 		    !(val & AQUNTIA_SPEED_MSB_MASK))
 | |
| 			phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR,
 | |
| 				  AQUNTIA_SPEED_LSB_MASK |
 | |
| 				  AQUNTIA_SPEED_MSB_MASK);
 | |
| 
 | |
| 		/* If SI is USXGMII then start USXGMII autoneg */
 | |
| 		reg_val1 =  phy_read(phydev, MDIO_MMD_PHYXS,
 | |
| 				     AQUANTIA_VENDOR_PROVISIONING_REG);
 | |
| 
 | |
| 		if (usx_an) {
 | |
| 			reg_val1 |= AQUANTIA_USX_AUTONEG_CONTROL_ENA;
 | |
| 			debug("%s: system interface USXGMII\n",
 | |
| 			      phydev->dev->name);
 | |
| 		} else {
 | |
| 			reg_val1 &= ~AQUANTIA_USX_AUTONEG_CONTROL_ENA;
 | |
| 			debug("%s: system interface 10GBase-R\n",
 | |
| 			      phydev->dev->name);
 | |
| 		}
 | |
| 
 | |
| 		phy_write(phydev, MDIO_MMD_PHYXS,
 | |
| 			  AQUANTIA_VENDOR_PROVISIONING_REG, reg_val1);
 | |
| 		break;
 | |
| 	case PHY_INTERFACE_MODE_2500BASEX:
 | |
| 		/* 2.5GBASE-T mode */
 | |
| 		phydev->advertising = SUPPORTED_1000baseT_Full;
 | |
| 		phydev->supported = phydev->advertising;
 | |
| 
 | |
| 		phy_write(phydev, MDIO_MMD_AN, AQUNTIA_10G_CTL, 1);
 | |
| 		phy_write(phydev, MDIO_MMD_AN, AQUNTIA_VENDOR_P1, 0x9440);
 | |
| 		break;
 | |
| 	case PHY_INTERFACE_MODE_MII:
 | |
| 		/* 100BASE-TX mode */
 | |
| 		phydev->advertising = SUPPORTED_100baseT_Full;
 | |
| 		phydev->supported = phydev->advertising;
 | |
| 
 | |
| 		val = (val & ~AQUNTIA_SPEED_MSB_MASK) | AQUNTIA_SPEED_LSB_MASK;
 | |
| 		phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val);
 | |
| 		break;
 | |
| 	};
 | |
| 
 | |
| 	val = phy_read(phydev, MDIO_MMD_VEND1, AQUANTIA_RESERVED_STATUS);
 | |
| 	reg_val1 = phy_read(phydev, MDIO_MMD_VEND1, AQUANTIA_FIRMWARE_ID);
 | |
| 
 | |
| 	debug("%s: %s Firmware Version %x.%x.%x\n", phydev->dev->name,
 | |
| 	      phydev->drv->name,
 | |
| 	      (reg_val1 & AQUANTIA_FIRMWARE_MAJOR_MASK) >> 8,
 | |
| 	      reg_val1 & AQUANTIA_FIRMWARE_MINOR_MASK,
 | |
| 	      (val & AQUANTIA_FIRMWARE_BUILD_MASK) >> 4);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int aquantia_startup(struct phy_device *phydev)
 | |
| {
 | |
| 	u32 speed;
 | |
| 	int i = 0;
 | |
| 	int reg;
 | |
| 
 | |
| 	phydev->duplex = DUPLEX_FULL;
 | |
| 
 | |
| 	/* if the AN is still in progress, wait till timeout. */
 | |
| 	if (!aquantia_link_is_up(phydev)) {
 | |
| 		printf("%s Waiting for PHY auto negotiation to complete",
 | |
| 		       phydev->dev->name);
 | |
| 		do {
 | |
| 			udelay(1000);
 | |
| 			if ((i++ % 500) == 0)
 | |
| 				printf(".");
 | |
| 		} while (!aquantia_link_is_up(phydev) &&
 | |
| 			 i < (4 * PHY_ANEG_TIMEOUT));
 | |
| 
 | |
| 		if (i > PHY_ANEG_TIMEOUT)
 | |
| 			printf(" TIMEOUT !\n");
 | |
| 	}
 | |
| 
 | |
| 	/* Read twice because link state is latched and a
 | |
| 	 * read moves the current state into the register */
 | |
| 	phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1);
 | |
| 	reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1);
 | |
| 	if (reg < 0 || !(reg & MDIO_STAT1_LSTATUS))
 | |
| 		phydev->link = 0;
 | |
| 	else
 | |
| 		phydev->link = 1;
 | |
| 
 | |
| 	speed = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR);
 | |
| 	if (speed & AQUNTIA_SPEED_MSB_MASK) {
 | |
| 		if (speed & AQUNTIA_SPEED_LSB_MASK)
 | |
| 			phydev->speed = SPEED_10000;
 | |
| 		else
 | |
| 			phydev->speed = SPEED_1000;
 | |
| 	} else {
 | |
| 		if (speed & AQUNTIA_SPEED_LSB_MASK)
 | |
| 			phydev->speed = SPEED_100;
 | |
| 		else
 | |
| 			phydev->speed = SPEED_10;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| struct phy_driver aq1202_driver = {
 | |
| 	.name = "Aquantia AQ1202",
 | |
| 	.uid = 0x3a1b445,
 | |
| 	.mask = 0xfffffff0,
 | |
| 	.features = PHY_10G_FEATURES,
 | |
| 	.mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
 | |
| 			MDIO_MMD_PHYXS | MDIO_MMD_AN |
 | |
| 			MDIO_MMD_VEND1),
 | |
| 	.config = &aquantia_config,
 | |
| 	.startup = &aquantia_startup,
 | |
| 	.shutdown = &gen10g_shutdown,
 | |
| };
 | |
| 
 | |
| struct phy_driver aq2104_driver = {
 | |
| 	.name = "Aquantia AQ2104",
 | |
| 	.uid = 0x3a1b460,
 | |
| 	.mask = 0xfffffff0,
 | |
| 	.features = PHY_10G_FEATURES,
 | |
| 	.mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
 | |
| 			MDIO_MMD_PHYXS | MDIO_MMD_AN |
 | |
| 			MDIO_MMD_VEND1),
 | |
| 	.config = &aquantia_config,
 | |
| 	.startup = &aquantia_startup,
 | |
| 	.shutdown = &gen10g_shutdown,
 | |
| };
 | |
| 
 | |
| struct phy_driver aqr105_driver = {
 | |
| 	.name = "Aquantia AQR105",
 | |
| 	.uid = 0x3a1b4a2,
 | |
| 	.mask = 0xfffffff0,
 | |
| 	.features = PHY_10G_FEATURES,
 | |
| 	.mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
 | |
| 			MDIO_MMD_PHYXS | MDIO_MMD_AN |
 | |
| 			MDIO_MMD_VEND1),
 | |
| 	.config = &aquantia_config,
 | |
| 	.startup = &aquantia_startup,
 | |
| 	.shutdown = &gen10g_shutdown,
 | |
| 	.data = AQUANTIA_GEN1,
 | |
| };
 | |
| 
 | |
| struct phy_driver aqr106_driver = {
 | |
| 	.name = "Aquantia AQR106",
 | |
| 	.uid = 0x3a1b4d0,
 | |
| 	.mask = 0xfffffff0,
 | |
| 	.features = PHY_10G_FEATURES,
 | |
| 	.mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
 | |
| 			MDIO_MMD_PHYXS | MDIO_MMD_AN |
 | |
| 			MDIO_MMD_VEND1),
 | |
| 	.config = &aquantia_config,
 | |
| 	.startup = &aquantia_startup,
 | |
| 	.shutdown = &gen10g_shutdown,
 | |
| };
 | |
| 
 | |
| struct phy_driver aqr107_driver = {
 | |
| 	.name = "Aquantia AQR107",
 | |
| 	.uid = 0x3a1b4e0,
 | |
| 	.mask = 0xfffffff0,
 | |
| 	.features = PHY_10G_FEATURES,
 | |
| 	.mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
 | |
| 			MDIO_MMD_PHYXS | MDIO_MMD_AN |
 | |
| 			MDIO_MMD_VEND1),
 | |
| 	.config = &aquantia_config,
 | |
| 	.startup = &aquantia_startup,
 | |
| 	.shutdown = &gen10g_shutdown,
 | |
| 	.data = AQUANTIA_GEN2,
 | |
| };
 | |
| 
 | |
| struct phy_driver aqr112_driver = {
 | |
| 	.name = "Aquantia AQR112",
 | |
| 	.uid = 0x3a1b660,
 | |
| 	.mask = 0xfffffff0,
 | |
| 	.features = PHY_10G_FEATURES,
 | |
| 	.mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS |
 | |
| 		 MDIO_MMD_PHYXS | MDIO_MMD_AN |
 | |
| 		 MDIO_MMD_VEND1),
 | |
| 	.config = &aquantia_config,
 | |
| 	.startup = &aquantia_startup,
 | |
| 	.shutdown = &gen10g_shutdown,
 | |
| 	.data = AQUANTIA_GEN3,
 | |
| };
 | |
| 
 | |
| struct phy_driver aqr113c_driver = {
 | |
| 	.name = "Aquantia AQR113C",
 | |
| 	.uid = 0x31c31c12,
 | |
| 	.mask = 0xfffffff0,
 | |
| 	.features = PHY_10G_FEATURES,
 | |
| 	.mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS |
 | |
| 		 MDIO_MMD_PHYXS | MDIO_MMD_AN |
 | |
| 		 MDIO_MMD_VEND1),
 | |
| 	.config = &aquantia_config,
 | |
| 	.startup = &aquantia_startup,
 | |
| 	.shutdown = &gen10g_shutdown,
 | |
| 	.data = AQUANTIA_GEN3,
 | |
| };
 | |
| 
 | |
| struct phy_driver aqr405_driver = {
 | |
| 	.name = "Aquantia AQR405",
 | |
| 	.uid = 0x3a1b4b2,
 | |
| 	.mask = 0xfffffff0,
 | |
| 	.features = PHY_10G_FEATURES,
 | |
| 	.mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
 | |
| 		 MDIO_MMD_PHYXS | MDIO_MMD_AN |
 | |
| 		 MDIO_MMD_VEND1),
 | |
| 	.config = &aquantia_config,
 | |
| 	.startup = &aquantia_startup,
 | |
| 	.shutdown = &gen10g_shutdown,
 | |
| 	.data = AQUANTIA_GEN1,
 | |
| };
 | |
| 
 | |
| struct phy_driver aqr412_driver = {
 | |
| 	.name = "Aquantia AQR412",
 | |
| 	.uid = 0x3a1b710,
 | |
| 	.mask = 0xfffffff0,
 | |
| 	.features = PHY_10G_FEATURES,
 | |
| 	.mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS |
 | |
| 		 MDIO_MMD_PHYXS | MDIO_MMD_AN |
 | |
| 		 MDIO_MMD_VEND1),
 | |
| 	.config = &aquantia_config,
 | |
| 	.startup = &aquantia_startup,
 | |
| 	.shutdown = &gen10g_shutdown,
 | |
| 	.data = AQUANTIA_GEN3,
 | |
| };
 | |
| 
 | |
| int phy_aquantia_init(void)
 | |
| {
 | |
| 	phy_register(&aq1202_driver);
 | |
| 	phy_register(&aq2104_driver);
 | |
| 	phy_register(&aqr105_driver);
 | |
| 	phy_register(&aqr106_driver);
 | |
| 	phy_register(&aqr107_driver);
 | |
| 	phy_register(&aqr112_driver);
 | |
| 	phy_register(&aqr113c_driver);
 | |
| 	phy_register(&aqr405_driver);
 | |
| 	phy_register(&aqr412_driver);
 | |
| 
 | |
| 	return 0;
 | |
| }
 |