[thirdparty/u-boot.git] / drivers / net / fm / tgec.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright 2009-2011 Freescale Semiconductor, Inc.
 *	Dave Liu <daveliu@freescale.com>
 */

/* MAXFRM - maximum frame length */
#define MAXFRM_MASK	0x0000ffff

#include <common.h>
#include <phy.h>
#include <asm/types.h>
#include <asm/io.h>
#include <fsl_tgec.h>
#include <linux/delay.h>

#include "fm.h"

#define TGEC_CMD_CFG_INIT	(TGEC_CMD_CFG_NO_LEN_CHK | \
				 TGEC_CMD_CFG_RX_ER_DISC | \
				 TGEC_CMD_CFG_STAT_CLR | \
				 TGEC_CMD_CFG_PAUSE_IGNORE | \
				 TGEC_CMD_CFG_CRC_FWD)
#define TGEC_CMD_CFG_FINAL	(TGEC_CMD_CFG_NO_LEN_CHK | \
				 TGEC_CMD_CFG_RX_ER_DISC | \
				 TGEC_CMD_CFG_PAUSE_IGNORE | \
				 TGEC_CMD_CFG_CRC_FWD)

static void tgec_init_mac(struct fsl_enet_mac *mac)
{
	struct tgec *regs = mac->base;

	/* mask all interrupt */
	out_be32(&regs->imask, IMASK_MASK_ALL);

	/* clear all events */
	out_be32(&regs->ievent, IEVENT_CLEAR_ALL);

	/* set the max receive length */
	out_be32(&regs->maxfrm, mac->max_rx_len & MAXFRM_MASK);

	/*
	 * 1588 disable, insert second mac disable payload length check
	 * disable, normal operation, any rx error frame is discarded, clear
	 * counters, pause frame ignore, no promiscuous, LAN mode Rx CRC no
	 * strip, Tx CRC append, Rx disable and Tx disable
	 */
	out_be32(&regs->command_config, TGEC_CMD_CFG_INIT);
	udelay(1000);
	out_be32(&regs->command_config, TGEC_CMD_CFG_FINAL);

	/* multicast frame reception for the hash entry disable */
	out_be32(&regs->hashtable_ctrl, 0);
}

static void tgec_enable_mac(struct fsl_enet_mac *mac)
{
	struct tgec *regs = mac->base;

	setbits_be32(&regs->command_config, TGEC_CMD_CFG_RXTX_EN);
}

static void tgec_disable_mac(struct fsl_enet_mac *mac)
{
	struct tgec *regs = mac->base;

	clrbits_be32(&regs->command_config, TGEC_CMD_CFG_RXTX_EN);
}

static void tgec_set_mac_addr(struct fsl_enet_mac *mac, u8 *mac_addr)
{
	struct tgec *regs = mac->base;
	u32 mac_addr0, mac_addr1;

	/*
	 * if a station address of 0x12345678ABCD, perform a write to
	 * MAC_ADDR0 of 0x78563412, MAC_ADDR1 of 0x0000CDAB
	 */
	mac_addr0 = (mac_addr[3] << 24) | (mac_addr[2] << 16) | \
			(mac_addr[1] << 8)  | (mac_addr[0]);
	out_be32(&regs->mac_addr_0, mac_addr0);

	mac_addr1 = ((mac_addr[5] << 8) | mac_addr[4]) & 0x0000ffff;
	out_be32(&regs->mac_addr_1, mac_addr1);
}

static void tgec_set_interface_mode(struct fsl_enet_mac *mac,
					phy_interface_t type, int speed)
{
	/* nothing right now */
	return;
}

void init_tgec(struct fsl_enet_mac *mac, void *base,
		void *phyregs, int max_rx_len)
{
	mac->base = base;
	mac->phyregs = phyregs;
	mac->max_rx_len = max_rx_len;
	mac->init_mac = tgec_init_mac;
	mac->enable_mac = tgec_enable_mac;
	mac->disable_mac = tgec_disable_mac;
	mac->set_mac_addr = tgec_set_mac_addr;
	mac->set_if_mode = tgec_set_interface_mode;
}
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
c916d7c9 KG	2	/*
	3	* Copyright 2009-2011 Freescale Semiconductor, Inc.
	4	* Dave Liu <daveliu@freescale.com>
c916d7c9 KG	5	*/
	6
	7	/* MAXFRM - maximum frame length */
	8	#define MAXFRM_MASK 0x0000ffff
	9
d678a59d	10	#include <common.h>
c916d7c9 KG	11	#include <phy.h>
	12	#include <asm/types.h>
	13	#include <asm/io.h>
8225b2fd	14	#include <fsl_tgec.h>
c05ed00a	15	#include <linux/delay.h>
c916d7c9 KG	16
	17	#include "fm.h"
	18
	19	#define TGEC_CMD_CFG_INIT (TGEC_CMD_CFG_NO_LEN_CHK \| \
	20	TGEC_CMD_CFG_RX_ER_DISC \| \
	21	TGEC_CMD_CFG_STAT_CLR \| \
	22	TGEC_CMD_CFG_PAUSE_IGNORE \| \
	23	TGEC_CMD_CFG_CRC_FWD)
	24	#define TGEC_CMD_CFG_FINAL (TGEC_CMD_CFG_NO_LEN_CHK \| \
	25	TGEC_CMD_CFG_RX_ER_DISC \| \
	26	TGEC_CMD_CFG_PAUSE_IGNORE \| \
	27	TGEC_CMD_CFG_CRC_FWD)
	28
	29	static void tgec_init_mac(struct fsl_enet_mac *mac)
	30	{
	31	struct tgec *regs = mac->base;
	32
	33	/* mask all interrupt */
	34	out_be32(&regs->imask, IMASK_MASK_ALL);
	35
	36	/* clear all events */
	37	out_be32(&regs->ievent, IEVENT_CLEAR_ALL);
	38
	39	/* set the max receive length */
	40	out_be32(&regs->maxfrm, mac->max_rx_len & MAXFRM_MASK);
	41
	42	/*
	43	* 1588 disable, insert second mac disable payload length check
	44	* disable, normal operation, any rx error frame is discarded, clear
	45	* counters, pause frame ignore, no promiscuous, LAN mode Rx CRC no
	46	* strip, Tx CRC append, Rx disable and Tx disable
	47	*/
	48	out_be32(&regs->command_config, TGEC_CMD_CFG_INIT);
	49	udelay(1000);
	50	out_be32(&regs->command_config, TGEC_CMD_CFG_FINAL);
	51
	52	/* multicast frame reception for the hash entry disable */
	53	out_be32(&regs->hashtable_ctrl, 0);
	54	}
	55
	56	static void tgec_enable_mac(struct fsl_enet_mac *mac)
	57	{
	58	struct tgec *regs = mac->base;
	59
	60	setbits_be32(&regs->command_config, TGEC_CMD_CFG_RXTX_EN);
	61	}
	62
	63	static void tgec_disable_mac(struct fsl_enet_mac *mac)
	64	{
	65	struct tgec *regs = mac->base;
	66
	67	clrbits_be32(&regs->command_config, TGEC_CMD_CFG_RXTX_EN);
	68	}
	69
	70	static void tgec_set_mac_addr(struct fsl_enet_mac mac, u8 mac_addr)
	71	{
	72	struct tgec *regs = mac->base;
	73	u32 mac_addr0, mac_addr1;
	74
	75	/*
	76	* if a station address of 0x12345678ABCD, perform a write to
	77	* MAC_ADDR0 of 0x78563412, MAC_ADDR1 of 0x0000CDAB
	78	*/
	79	mac_addr0 = (mac_addr[3] << 24) \| (mac_addr[2] << 16) \| \
80	(mac_addr[1] << 8) \| (mac_addr[0]);
81	out_be32(&regs->mac_addr_0, mac_addr0);
82
83	mac_addr1 = ((mac_addr[5] << 8) \| mac_addr[4]) & 0x0000ffff;
84	out_be32(&regs->mac_addr_1, mac_addr1);
85	}
86
87	static void tgec_set_interface_mode(struct fsl_enet_mac *mac,
88	phy_interface_t type, int speed)
89	{
90	/* nothing right now */
91	return;
92	}
93
94	void init_tgec(struct fsl_enet_mac mac, void base,
95	void *phyregs, int max_rx_len)
96	{
97	mac->base = base;
98	mac->phyregs = phyregs;
99	mac->max_rx_len = max_rx_len;
100	mac->init_mac = tgec_init_mac;
101	mac->enable_mac = tgec_enable_mac;
102	mac->disable_mac = tgec_disable_mac;
103	mac->set_mac_addr = tgec_set_mac_addr;
104	mac->set_if_mode = tgec_set_interface_mode;
105	}