715 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			715 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Altera 10/100/1000 triple speed ethernet mac driver
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 *
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 * Copyright (C) 2008 Altera Corporation.
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 * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License version 2 as
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 * published by the Free Software Foundation.
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 */
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#include <common.h>
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#include <dm.h>
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#include <errno.h>
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#include <fdt_support.h>
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#include <memalign.h>
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#include <miiphy.h>
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#include <net.h>
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#include <asm/cache.h>
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#include <asm/dma-mapping.h>
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#include <asm/io.h>
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#include "altera_tse.h"
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DECLARE_GLOBAL_DATA_PTR;
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static inline void alt_sgdma_construct_descriptor(
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	struct alt_sgdma_descriptor *desc,
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	struct alt_sgdma_descriptor *next,
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	void *read_addr,
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	void *write_addr,
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	u16 length_or_eop,
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	int generate_eop,
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	int read_fixed,
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	int write_fixed_or_sop)
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{
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	u8 val;
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	/*
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	 * Mark the "next" descriptor as "not" owned by hardware. This prevents
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	 * The SGDMA controller from continuing to process the chain.
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	 */
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	next->descriptor_control = next->descriptor_control &
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		~ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK;
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	memset(desc, 0, sizeof(struct alt_sgdma_descriptor));
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	desc->source = virt_to_phys(read_addr);
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	desc->destination = virt_to_phys(write_addr);
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	desc->next = virt_to_phys(next);
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	desc->bytes_to_transfer = length_or_eop;
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	/*
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	 * Set the descriptor control block as follows:
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	 * - Set "owned by hardware" bit
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	 * - Optionally set "generate EOP" bit
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	 * - Optionally set the "read from fixed address" bit
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	 * - Optionally set the "write to fixed address bit (which serves
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	 *   serves as a "generate SOP" control bit in memory-to-stream mode).
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	 * - Set the 4-bit atlantic channel, if specified
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	 *
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	 * Note this step is performed after all other descriptor information
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	 * has been filled out so that, if the controller already happens to be
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	 * pointing at this descriptor, it will not run (via the "owned by
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	 * hardware" bit) until all other descriptor has been set up.
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	 */
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	val = ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK;
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	if (generate_eop)
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		val |= ALT_SGDMA_DESCRIPTOR_CONTROL_GENERATE_EOP_MSK;
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	if (read_fixed)
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		val |= ALT_SGDMA_DESCRIPTOR_CONTROL_READ_FIXED_ADDRESS_MSK;
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	if (write_fixed_or_sop)
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		val |= ALT_SGDMA_DESCRIPTOR_CONTROL_WRITE_FIXED_ADDRESS_MSK;
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	desc->descriptor_control = val;
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}
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static int alt_sgdma_wait_transfer(struct alt_sgdma_registers *regs)
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{
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	int status;
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	ulong ctime;
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	/* Wait for the descriptor (chain) to complete */
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	ctime = get_timer(0);
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	while (1) {
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		status = readl(®s->status);
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		if (!(status & ALT_SGDMA_STATUS_BUSY_MSK))
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			break;
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		if (get_timer(ctime) > ALT_TSE_SGDMA_BUSY_TIMEOUT) {
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			status = -ETIMEDOUT;
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			debug("sgdma timeout\n");
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			break;
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		}
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	}
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	/* Clear Run */
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	writel(0, ®s->control);
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	/* Clear status */
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	writel(0xff, ®s->status);
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	return status;
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}
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static int alt_sgdma_start_transfer(struct alt_sgdma_registers *regs,
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				    struct alt_sgdma_descriptor *desc)
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{
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	u32 val;
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	/* Point the controller at the descriptor */
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	writel(virt_to_phys(desc), ®s->next_descriptor_pointer);
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	/*
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	 * Set up SGDMA controller to:
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	 * - Disable interrupt generation
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	 * - Run once a valid descriptor is written to controller
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	 * - Stop on an error with any particular descriptor
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	 */
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	val = ALT_SGDMA_CONTROL_RUN_MSK | ALT_SGDMA_CONTROL_STOP_DMA_ER_MSK;
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	writel(val, ®s->control);
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	return 0;
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}
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static void tse_adjust_link(struct altera_tse_priv *priv,
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			    struct phy_device *phydev)
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{
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	struct alt_tse_mac *mac_dev = priv->mac_dev;
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	u32 refvar;
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	if (!phydev->link) {
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		debug("%s: No link.\n", phydev->dev->name);
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		return;
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	}
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	refvar = readl(&mac_dev->command_config);
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	if (phydev->duplex)
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		refvar |= ALTERA_TSE_CMD_HD_ENA_MSK;
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	else
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		refvar &= ~ALTERA_TSE_CMD_HD_ENA_MSK;
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	switch (phydev->speed) {
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	case 1000:
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		refvar |= ALTERA_TSE_CMD_ETH_SPEED_MSK;
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		refvar &= ~ALTERA_TSE_CMD_ENA_10_MSK;
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		break;
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	case 100:
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		refvar &= ~ALTERA_TSE_CMD_ETH_SPEED_MSK;
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		refvar &= ~ALTERA_TSE_CMD_ENA_10_MSK;
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		break;
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	case 10:
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		refvar &= ~ALTERA_TSE_CMD_ETH_SPEED_MSK;
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		refvar |= ALTERA_TSE_CMD_ENA_10_MSK;
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		break;
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	}
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	writel(refvar, &mac_dev->command_config);
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}
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static int altera_tse_send_sgdma(struct udevice *dev, void *packet, int length)
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{
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	struct altera_tse_priv *priv = dev_get_priv(dev);
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	struct alt_sgdma_descriptor *tx_desc = priv->tx_desc;
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	alt_sgdma_construct_descriptor(
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		tx_desc,
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		tx_desc + 1,
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		packet,	/* read addr */
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		NULL,	/* write addr */
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		length,	/* length or EOP ,will change for each tx */
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		1,	/* gen eop */
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		0,	/* read fixed */
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		1	/* write fixed or sop */
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		);
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	/* send the packet */
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	alt_sgdma_start_transfer(priv->sgdma_tx, tx_desc);
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	alt_sgdma_wait_transfer(priv->sgdma_tx);
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	debug("sent %d bytes\n", tx_desc->actual_bytes_transferred);
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	return tx_desc->actual_bytes_transferred;
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}
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static int altera_tse_recv_sgdma(struct udevice *dev, int flags,
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				 uchar **packetp)
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{
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	struct altera_tse_priv *priv = dev_get_priv(dev);
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	struct alt_sgdma_descriptor *rx_desc = priv->rx_desc;
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	int packet_length;
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	if (rx_desc->descriptor_status &
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	    ALT_SGDMA_DESCRIPTOR_STATUS_TERMINATED_BY_EOP_MSK) {
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		alt_sgdma_wait_transfer(priv->sgdma_rx);
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		packet_length = rx_desc->actual_bytes_transferred;
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		debug("recv %d bytes\n", packet_length);
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		*packetp = priv->rx_buf;
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		return packet_length;
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	}
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	return -EAGAIN;
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}
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static int altera_tse_free_pkt_sgdma(struct udevice *dev, uchar *packet,
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				     int length)
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{
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	struct altera_tse_priv *priv = dev_get_priv(dev);
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	struct alt_sgdma_descriptor *rx_desc = priv->rx_desc;
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	alt_sgdma_construct_descriptor(
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		rx_desc,
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		rx_desc + 1,
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		NULL,	/* read addr */
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		priv->rx_buf, /* write addr */
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		0,	/* length or EOP */
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		0,	/* gen eop */
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		0,	/* read fixed */
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		0	/* write fixed or sop */
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		);
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	/* setup the sgdma */
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	alt_sgdma_start_transfer(priv->sgdma_rx, rx_desc);
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	debug("recv setup\n");
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	return 0;
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}
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static void altera_tse_stop_mac(struct altera_tse_priv *priv)
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{
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	struct alt_tse_mac *mac_dev = priv->mac_dev;
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	u32 status;
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	ulong ctime;
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	/* reset the mac */
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	writel(ALTERA_TSE_CMD_SW_RESET_MSK, &mac_dev->command_config);
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	ctime = get_timer(0);
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	while (1) {
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		status = readl(&mac_dev->command_config);
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		if (!(status & ALTERA_TSE_CMD_SW_RESET_MSK))
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			break;
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		if (get_timer(ctime) > ALT_TSE_SW_RESET_TIMEOUT) {
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			debug("Reset mac timeout\n");
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			break;
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		}
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	}
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}
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static void altera_tse_stop_sgdma(struct udevice *dev)
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{
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	struct altera_tse_priv *priv = dev_get_priv(dev);
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	struct alt_sgdma_registers *rx_sgdma = priv->sgdma_rx;
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	struct alt_sgdma_registers *tx_sgdma = priv->sgdma_tx;
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	struct alt_sgdma_descriptor *rx_desc = priv->rx_desc;
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	int ret;
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	/* clear rx desc & wait for sgdma to complete */
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	rx_desc->descriptor_control = 0;
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	writel(0, &rx_sgdma->control);
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	ret = alt_sgdma_wait_transfer(rx_sgdma);
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	if (ret == -ETIMEDOUT)
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		writel(ALT_SGDMA_CONTROL_SOFTWARERESET_MSK,
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		       &rx_sgdma->control);
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	writel(0, &tx_sgdma->control);
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	ret = alt_sgdma_wait_transfer(tx_sgdma);
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	if (ret == -ETIMEDOUT)
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		writel(ALT_SGDMA_CONTROL_SOFTWARERESET_MSK,
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		       &tx_sgdma->control);
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}
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static void msgdma_reset(struct msgdma_csr *csr)
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{
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	u32 status;
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	ulong ctime;
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	/* Reset mSGDMA */
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	writel(MSGDMA_CSR_STAT_MASK, &csr->status);
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	writel(MSGDMA_CSR_CTL_RESET, &csr->control);
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	ctime = get_timer(0);
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	while (1) {
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		status = readl(&csr->status);
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		if (!(status & MSGDMA_CSR_STAT_RESETTING))
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			break;
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		if (get_timer(ctime) > ALT_TSE_SW_RESET_TIMEOUT) {
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			debug("Reset msgdma timeout\n");
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			break;
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		}
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	}
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	/* Clear status */
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	writel(MSGDMA_CSR_STAT_MASK, &csr->status);
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}
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static u32 msgdma_wait(struct msgdma_csr *csr)
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{
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	u32 status;
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	ulong ctime;
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	/* Wait for the descriptor to complete */
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	ctime = get_timer(0);
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	while (1) {
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		status = readl(&csr->status);
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		if (!(status & MSGDMA_CSR_STAT_BUSY))
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			break;
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		if (get_timer(ctime) > ALT_TSE_SGDMA_BUSY_TIMEOUT) {
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			debug("sgdma timeout\n");
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			break;
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		}
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	}
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	/* Clear status */
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	writel(MSGDMA_CSR_STAT_MASK, &csr->status);
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	return status;
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}
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static int altera_tse_send_msgdma(struct udevice *dev, void *packet,
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				  int length)
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{
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	struct altera_tse_priv *priv = dev_get_priv(dev);
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	struct msgdma_extended_desc *desc = priv->tx_desc;
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	u32 tx_buf = virt_to_phys(packet);
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	u32 status;
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	writel(tx_buf, &desc->read_addr_lo);
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	writel(0, &desc->read_addr_hi);
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	writel(0, &desc->write_addr_lo);
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	writel(0, &desc->write_addr_hi);
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	writel(length, &desc->len);
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	writel(0, &desc->burst_seq_num);
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	writel(MSGDMA_DESC_TX_STRIDE, &desc->stride);
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	writel(MSGDMA_DESC_CTL_TX_SINGLE, &desc->control);
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	status = msgdma_wait(priv->sgdma_tx);
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	debug("sent %d bytes, status %08x\n", length, status);
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	return 0;
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}
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static int altera_tse_recv_msgdma(struct udevice *dev, int flags,
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				  uchar **packetp)
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{
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	struct altera_tse_priv *priv = dev_get_priv(dev);
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	struct msgdma_csr *csr = priv->sgdma_rx;
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	struct msgdma_response *resp = priv->rx_resp;
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	u32 level, length, status;
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	level = readl(&csr->resp_fill_level);
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	if (level & 0xffff) {
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		length = readl(&resp->bytes_transferred);
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		status = readl(&resp->status);
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		debug("recv %d bytes, status %08x\n", length, status);
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		*packetp = priv->rx_buf;
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		return length;
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	}
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	return -EAGAIN;
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}
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static int altera_tse_free_pkt_msgdma(struct udevice *dev, uchar *packet,
 | 
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				      int length)
 | 
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{
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	struct altera_tse_priv *priv = dev_get_priv(dev);
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	struct msgdma_extended_desc *desc = priv->rx_desc;
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	u32 rx_buf = virt_to_phys(priv->rx_buf);
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	writel(0, &desc->read_addr_lo);
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	writel(0, &desc->read_addr_hi);
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	writel(rx_buf, &desc->write_addr_lo);
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	writel(0, &desc->write_addr_hi);
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	writel(PKTSIZE_ALIGN, &desc->len);
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	writel(0, &desc->burst_seq_num);
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	writel(MSGDMA_DESC_RX_STRIDE, &desc->stride);
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	writel(MSGDMA_DESC_CTL_RX_SINGLE, &desc->control);
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	debug("recv setup\n");
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	return 0;
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}
 | 
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 | 
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static void altera_tse_stop_msgdma(struct udevice *dev)
 | 
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{
 | 
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	struct altera_tse_priv *priv = dev_get_priv(dev);
 | 
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 | 
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	msgdma_reset(priv->sgdma_rx);
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	msgdma_reset(priv->sgdma_tx);
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}
 | 
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 | 
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static int tse_mdio_read(struct mii_dev *bus, int addr, int devad, int reg)
 | 
						|
{
 | 
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	struct altera_tse_priv *priv = bus->priv;
 | 
						|
	struct alt_tse_mac *mac_dev = priv->mac_dev;
 | 
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	u32 value;
 | 
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 | 
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	/* set mdio address */
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	writel(addr, &mac_dev->mdio_phy1_addr);
 | 
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	/* get the data */
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	value = readl(&mac_dev->mdio_phy1[reg]);
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	return value & 0xffff;
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}
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static int tse_mdio_write(struct mii_dev *bus, int addr, int devad, int reg,
 | 
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			  u16 val)
 | 
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{
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	struct altera_tse_priv *priv = bus->priv;
 | 
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	struct alt_tse_mac *mac_dev = priv->mac_dev;
 | 
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 | 
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	/* set mdio address */
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	writel(addr, &mac_dev->mdio_phy1_addr);
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	/* set the data */
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	writel(val, &mac_dev->mdio_phy1[reg]);
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 | 
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	return 0;
 | 
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}
 | 
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 | 
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static int tse_mdio_init(const char *name, struct altera_tse_priv *priv)
 | 
						|
{
 | 
						|
	struct mii_dev *bus = mdio_alloc();
 | 
						|
 | 
						|
	if (!bus) {
 | 
						|
		printf("Failed to allocate MDIO bus\n");
 | 
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		return -ENOMEM;
 | 
						|
	}
 | 
						|
 | 
						|
	bus->read = tse_mdio_read;
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	bus->write = tse_mdio_write;
 | 
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	snprintf(bus->name, sizeof(bus->name), "%s", name);
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						|
 | 
						|
	bus->priv = (void *)priv;
 | 
						|
 | 
						|
	return mdio_register(bus);
 | 
						|
}
 | 
						|
 | 
						|
static int tse_phy_init(struct altera_tse_priv *priv, void *dev)
 | 
						|
{
 | 
						|
	struct phy_device *phydev;
 | 
						|
	unsigned int mask = 0xffffffff;
 | 
						|
 | 
						|
	if (priv->phyaddr)
 | 
						|
		mask = 1 << priv->phyaddr;
 | 
						|
 | 
						|
	phydev = phy_find_by_mask(priv->bus, mask, priv->interface);
 | 
						|
	if (!phydev)
 | 
						|
		return -ENODEV;
 | 
						|
 | 
						|
	phy_connect_dev(phydev, dev);
 | 
						|
 | 
						|
	phydev->supported &= PHY_GBIT_FEATURES;
 | 
						|
	phydev->advertising = phydev->supported;
 | 
						|
 | 
						|
	priv->phydev = phydev;
 | 
						|
	phy_config(phydev);
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
static int altera_tse_write_hwaddr(struct udevice *dev)
 | 
						|
{
 | 
						|
	struct altera_tse_priv *priv = dev_get_priv(dev);
 | 
						|
	struct alt_tse_mac *mac_dev = priv->mac_dev;
 | 
						|
	struct eth_pdata *pdata = dev_get_platdata(dev);
 | 
						|
	u8 *hwaddr = pdata->enetaddr;
 | 
						|
	u32 mac_lo, mac_hi;
 | 
						|
 | 
						|
	mac_lo = (hwaddr[3] << 24) | (hwaddr[2] << 16) |
 | 
						|
		(hwaddr[1] << 8) | hwaddr[0];
 | 
						|
	mac_hi = (hwaddr[5] << 8) | hwaddr[4];
 | 
						|
	debug("Set MAC address to 0x%04x%08x\n", mac_hi, mac_lo);
 | 
						|
 | 
						|
	writel(mac_lo, &mac_dev->mac_addr_0);
 | 
						|
	writel(mac_hi, &mac_dev->mac_addr_1);
 | 
						|
	writel(mac_lo, &mac_dev->supp_mac_addr_0_0);
 | 
						|
	writel(mac_hi, &mac_dev->supp_mac_addr_0_1);
 | 
						|
	writel(mac_lo, &mac_dev->supp_mac_addr_1_0);
 | 
						|
	writel(mac_hi, &mac_dev->supp_mac_addr_1_1);
 | 
						|
	writel(mac_lo, &mac_dev->supp_mac_addr_2_0);
 | 
						|
	writel(mac_hi, &mac_dev->supp_mac_addr_2_1);
 | 
						|
	writel(mac_lo, &mac_dev->supp_mac_addr_3_0);
 | 
						|
	writel(mac_hi, &mac_dev->supp_mac_addr_3_1);
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
static int altera_tse_send(struct udevice *dev, void *packet, int length)
 | 
						|
{
 | 
						|
	struct altera_tse_priv *priv = dev_get_priv(dev);
 | 
						|
	unsigned long tx_buf = (unsigned long)packet;
 | 
						|
 | 
						|
	flush_dcache_range(tx_buf, tx_buf + length);
 | 
						|
 | 
						|
	return priv->ops->send(dev, packet, length);
 | 
						|
}
 | 
						|
 | 
						|
static int altera_tse_recv(struct udevice *dev, int flags, uchar **packetp)
 | 
						|
{
 | 
						|
	struct altera_tse_priv *priv = dev_get_priv(dev);
 | 
						|
 | 
						|
	return priv->ops->recv(dev, flags, packetp);
 | 
						|
}
 | 
						|
 | 
						|
static int altera_tse_free_pkt(struct udevice *dev, uchar *packet,
 | 
						|
			       int length)
 | 
						|
{
 | 
						|
	struct altera_tse_priv *priv = dev_get_priv(dev);
 | 
						|
	unsigned long rx_buf = (unsigned long)priv->rx_buf;
 | 
						|
 | 
						|
	invalidate_dcache_range(rx_buf, rx_buf + PKTSIZE_ALIGN);
 | 
						|
 | 
						|
	return priv->ops->free_pkt(dev, packet, length);
 | 
						|
}
 | 
						|
 | 
						|
static void altera_tse_stop(struct udevice *dev)
 | 
						|
{
 | 
						|
	struct altera_tse_priv *priv = dev_get_priv(dev);
 | 
						|
 | 
						|
	priv->ops->stop(dev);
 | 
						|
	altera_tse_stop_mac(priv);
 | 
						|
}
 | 
						|
 | 
						|
static int altera_tse_start(struct udevice *dev)
 | 
						|
{
 | 
						|
	struct altera_tse_priv *priv = dev_get_priv(dev);
 | 
						|
	struct alt_tse_mac *mac_dev = priv->mac_dev;
 | 
						|
	u32 val;
 | 
						|
	int ret;
 | 
						|
 | 
						|
	/* need to create sgdma */
 | 
						|
	debug("Configuring rx desc\n");
 | 
						|
	altera_tse_free_pkt(dev, priv->rx_buf, PKTSIZE_ALIGN);
 | 
						|
	/* start TSE */
 | 
						|
	debug("Configuring TSE Mac\n");
 | 
						|
	/* Initialize MAC registers */
 | 
						|
	writel(PKTSIZE_ALIGN, &mac_dev->max_frame_length);
 | 
						|
	writel(priv->rx_fifo_depth - 16, &mac_dev->rx_sel_empty_threshold);
 | 
						|
	writel(0, &mac_dev->rx_sel_full_threshold);
 | 
						|
	writel(priv->tx_fifo_depth - 16, &mac_dev->tx_sel_empty_threshold);
 | 
						|
	writel(0, &mac_dev->tx_sel_full_threshold);
 | 
						|
	writel(8, &mac_dev->rx_almost_empty_threshold);
 | 
						|
	writel(8, &mac_dev->rx_almost_full_threshold);
 | 
						|
	writel(8, &mac_dev->tx_almost_empty_threshold);
 | 
						|
	writel(3, &mac_dev->tx_almost_full_threshold);
 | 
						|
 | 
						|
	/* NO Shift */
 | 
						|
	writel(0, &mac_dev->rx_cmd_stat);
 | 
						|
	writel(0, &mac_dev->tx_cmd_stat);
 | 
						|
 | 
						|
	/* enable MAC */
 | 
						|
	val = ALTERA_TSE_CMD_TX_ENA_MSK | ALTERA_TSE_CMD_RX_ENA_MSK;
 | 
						|
	writel(val, &mac_dev->command_config);
 | 
						|
 | 
						|
	/* Start up the PHY */
 | 
						|
	ret = phy_startup(priv->phydev);
 | 
						|
	if (ret) {
 | 
						|
		debug("Could not initialize PHY %s\n",
 | 
						|
		      priv->phydev->dev->name);
 | 
						|
		return ret;
 | 
						|
	}
 | 
						|
 | 
						|
	tse_adjust_link(priv, priv->phydev);
 | 
						|
 | 
						|
	if (!priv->phydev->link)
 | 
						|
		return -EIO;
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
static const struct tse_ops tse_sgdma_ops = {
 | 
						|
	.send		= altera_tse_send_sgdma,
 | 
						|
	.recv		= altera_tse_recv_sgdma,
 | 
						|
	.free_pkt	= altera_tse_free_pkt_sgdma,
 | 
						|
	.stop		= altera_tse_stop_sgdma,
 | 
						|
};
 | 
						|
 | 
						|
static const struct tse_ops tse_msgdma_ops = {
 | 
						|
	.send		= altera_tse_send_msgdma,
 | 
						|
	.recv		= altera_tse_recv_msgdma,
 | 
						|
	.free_pkt	= altera_tse_free_pkt_msgdma,
 | 
						|
	.stop		= altera_tse_stop_msgdma,
 | 
						|
};
 | 
						|
 | 
						|
static int altera_tse_probe(struct udevice *dev)
 | 
						|
{
 | 
						|
	struct eth_pdata *pdata = dev_get_platdata(dev);
 | 
						|
	struct altera_tse_priv *priv = dev_get_priv(dev);
 | 
						|
	void *blob = (void *)gd->fdt_blob;
 | 
						|
	int node = dev->of_offset;
 | 
						|
	const char *list, *end;
 | 
						|
	const fdt32_t *cell;
 | 
						|
	void *base, *desc_mem = NULL;
 | 
						|
	unsigned long addr, size;
 | 
						|
	int parent, addrc, sizec;
 | 
						|
	int len, idx;
 | 
						|
	int ret;
 | 
						|
 | 
						|
	priv->dma_type = dev_get_driver_data(dev);
 | 
						|
	if (priv->dma_type == ALT_SGDMA)
 | 
						|
		priv->ops = &tse_sgdma_ops;
 | 
						|
	else
 | 
						|
		priv->ops = &tse_msgdma_ops;
 | 
						|
	/*
 | 
						|
	 * decode regs. there are multiple reg tuples, and they need to
 | 
						|
	 * match with reg-names.
 | 
						|
	 */
 | 
						|
	parent = fdt_parent_offset(blob, node);
 | 
						|
	of_bus_default_count_cells(blob, parent, &addrc, &sizec);
 | 
						|
	list = fdt_getprop(blob, node, "reg-names", &len);
 | 
						|
	if (!list)
 | 
						|
		return -ENOENT;
 | 
						|
	end = list + len;
 | 
						|
	cell = fdt_getprop(blob, node, "reg", &len);
 | 
						|
	if (!cell)
 | 
						|
		return -ENOENT;
 | 
						|
	idx = 0;
 | 
						|
	while (list < end) {
 | 
						|
		addr = fdt_translate_address((void *)blob,
 | 
						|
					     node, cell + idx);
 | 
						|
		size = fdt_addr_to_cpu(cell[idx + addrc]);
 | 
						|
		base = map_physmem(addr, size, MAP_NOCACHE);
 | 
						|
		len = strlen(list);
 | 
						|
		if (strcmp(list, "control_port") == 0)
 | 
						|
			priv->mac_dev = base;
 | 
						|
		else if (strcmp(list, "rx_csr") == 0)
 | 
						|
			priv->sgdma_rx = base;
 | 
						|
		else if (strcmp(list, "rx_desc") == 0)
 | 
						|
			priv->rx_desc = base;
 | 
						|
		else if (strcmp(list, "rx_resp") == 0)
 | 
						|
			priv->rx_resp = base;
 | 
						|
		else if (strcmp(list, "tx_csr") == 0)
 | 
						|
			priv->sgdma_tx = base;
 | 
						|
		else if (strcmp(list, "tx_desc") == 0)
 | 
						|
			priv->tx_desc = base;
 | 
						|
		else if (strcmp(list, "s1") == 0)
 | 
						|
			desc_mem = base;
 | 
						|
		idx += addrc + sizec;
 | 
						|
		list += (len + 1);
 | 
						|
	}
 | 
						|
	/* decode fifo depth */
 | 
						|
	priv->rx_fifo_depth = fdtdec_get_int(blob, node,
 | 
						|
		"rx-fifo-depth", 0);
 | 
						|
	priv->tx_fifo_depth = fdtdec_get_int(blob, node,
 | 
						|
		"tx-fifo-depth", 0);
 | 
						|
	/* decode phy */
 | 
						|
	addr = fdtdec_get_int(blob, node,
 | 
						|
			      "phy-handle", 0);
 | 
						|
	addr = fdt_node_offset_by_phandle(blob, addr);
 | 
						|
	priv->phyaddr = fdtdec_get_int(blob, addr,
 | 
						|
		"reg", 0);
 | 
						|
	/* init desc */
 | 
						|
	if (priv->dma_type == ALT_SGDMA) {
 | 
						|
		len = sizeof(struct alt_sgdma_descriptor) * 4;
 | 
						|
		if (!desc_mem) {
 | 
						|
			desc_mem = dma_alloc_coherent(len, &addr);
 | 
						|
			if (!desc_mem)
 | 
						|
				return -ENOMEM;
 | 
						|
		}
 | 
						|
		memset(desc_mem, 0, len);
 | 
						|
		priv->tx_desc = desc_mem;
 | 
						|
		priv->rx_desc = priv->tx_desc +
 | 
						|
			2 * sizeof(struct alt_sgdma_descriptor);
 | 
						|
	}
 | 
						|
	/* allocate recv packet buffer */
 | 
						|
	priv->rx_buf = malloc_cache_aligned(PKTSIZE_ALIGN);
 | 
						|
	if (!priv->rx_buf)
 | 
						|
		return -ENOMEM;
 | 
						|
 | 
						|
	/* stop controller */
 | 
						|
	debug("Reset TSE & SGDMAs\n");
 | 
						|
	altera_tse_stop(dev);
 | 
						|
 | 
						|
	/* start the phy */
 | 
						|
	priv->interface = pdata->phy_interface;
 | 
						|
	tse_mdio_init(dev->name, priv);
 | 
						|
	priv->bus = miiphy_get_dev_by_name(dev->name);
 | 
						|
 | 
						|
	ret = tse_phy_init(priv, dev);
 | 
						|
 | 
						|
	return ret;
 | 
						|
}
 | 
						|
 | 
						|
static int altera_tse_ofdata_to_platdata(struct udevice *dev)
 | 
						|
{
 | 
						|
	struct eth_pdata *pdata = dev_get_platdata(dev);
 | 
						|
	const char *phy_mode;
 | 
						|
 | 
						|
	pdata->phy_interface = -1;
 | 
						|
	phy_mode = fdt_getprop(gd->fdt_blob, dev->of_offset, "phy-mode", NULL);
 | 
						|
	if (phy_mode)
 | 
						|
		pdata->phy_interface = phy_get_interface_by_name(phy_mode);
 | 
						|
	if (pdata->phy_interface == -1) {
 | 
						|
		debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);
 | 
						|
		return -EINVAL;
 | 
						|
	}
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
static const struct eth_ops altera_tse_ops = {
 | 
						|
	.start		= altera_tse_start,
 | 
						|
	.send		= altera_tse_send,
 | 
						|
	.recv		= altera_tse_recv,
 | 
						|
	.free_pkt	= altera_tse_free_pkt,
 | 
						|
	.stop		= altera_tse_stop,
 | 
						|
	.write_hwaddr	= altera_tse_write_hwaddr,
 | 
						|
};
 | 
						|
 | 
						|
static const struct udevice_id altera_tse_ids[] = {
 | 
						|
	{ .compatible = "altr,tse-msgdma-1.0", .data = ALT_MSGDMA },
 | 
						|
	{ .compatible = "altr,tse-1.0", .data = ALT_SGDMA },
 | 
						|
	{}
 | 
						|
};
 | 
						|
 | 
						|
U_BOOT_DRIVER(altera_tse) = {
 | 
						|
	.name	= "altera_tse",
 | 
						|
	.id	= UCLASS_ETH,
 | 
						|
	.of_match = altera_tse_ids,
 | 
						|
	.ops	= &altera_tse_ops,
 | 
						|
	.ofdata_to_platdata = altera_tse_ofdata_to_platdata,
 | 
						|
	.platdata_auto_alloc_size = sizeof(struct eth_pdata),
 | 
						|
	.priv_auto_alloc_size = sizeof(struct altera_tse_priv),
 | 
						|
	.probe	= altera_tse_probe,
 | 
						|
};
 |