[people/ms/u-boot.git] / drivers / net / fm / init.c

/*
 * Copyright 2011 Freescale Semiconductor, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */
#include <common.h>
#include <asm/io.h>
#include <asm/fsl_serdes.h>

#include "fm.h"

struct fm_eth_info fm_info[] = {
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 1)
	FM_DTSEC_INFO_INITIALIZER(1, 1),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 2)
	FM_DTSEC_INFO_INITIALIZER(1, 2),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 3)
	FM_DTSEC_INFO_INITIALIZER(1, 3),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 4)
	FM_DTSEC_INFO_INITIALIZER(1, 4),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 5)
	FM_DTSEC_INFO_INITIALIZER(1, 5),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 6)
	FM_DTSEC_INFO_INITIALIZER(1, 6),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 7)
	FM_DTSEC_INFO_INITIALIZER(1, 9),
#endif
#if (CONFIG_SYS_NUM_FM1_DTSEC >= 8)
	FM_DTSEC_INFO_INITIALIZER(1, 10),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 1)
	FM_DTSEC_INFO_INITIALIZER(2, 1),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 2)
	FM_DTSEC_INFO_INITIALIZER(2, 2),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 3)
	FM_DTSEC_INFO_INITIALIZER(2, 3),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 4)
	FM_DTSEC_INFO_INITIALIZER(2, 4),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 5)
	FM_DTSEC_INFO_INITIALIZER(2, 5),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 6)
	FM_DTSEC_INFO_INITIALIZER(2, 6),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 7)
	FM_DTSEC_INFO_INITIALIZER(2, 9),
#endif
#if (CONFIG_SYS_NUM_FM2_DTSEC >= 8)
	FM_DTSEC_INFO_INITIALIZER(2, 10),
#endif
#if (CONFIG_SYS_NUM_FM1_10GEC >= 1)
	FM_TGEC_INFO_INITIALIZER(1, 1),
#endif
#if (CONFIG_SYS_NUM_FM2_10GEC >= 1)
	FM_TGEC_INFO_INITIALIZER(2, 1),
#endif
};

int fm_standard_init(bd_t *bis)
{
	int i;
	struct ccsr_fman *reg;

	reg = (void *)CONFIG_SYS_FSL_FM1_ADDR;
	if (fm_init_common(0, reg))
		return 0;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
		if ((fm_info[i].enabled) && (fm_info[i].index == 1))
			fm_eth_initialize(reg, &fm_info[i]);
	}

#if (CONFIG_SYS_NUM_FMAN == 2)
	reg = (void *)CONFIG_SYS_FSL_FM2_ADDR;
	if (fm_init_common(1, reg))
		return 0;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
		if ((fm_info[i].enabled) && (fm_info[i].index == 2))
			fm_eth_initialize(reg, &fm_info[i]);
	}
#endif

	return 1;
}

/* simple linear search to map from port to array index */
static int fm_port_to_index(enum fm_port port)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
		if (fm_info[i].port == port)
			return i;
	}

	return -1;
}

/*
 * Determine if an interface is actually active based on HW config
 * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if
 * the interface is not active based on HW cfg of the SoC
 */
void fman_enet_init(void)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
		phy_interface_t enet_if;

		enet_if = fman_port_enet_if(fm_info[i].port);
		if (enet_if != PHY_INTERFACE_MODE_NONE) {
			fm_info[i].enabled = 1;
			fm_info[i].enet_if = enet_if;
		} else {
			fm_info[i].enabled = 0;
		}
	}

	return ;
}

void fm_disable_port(enum fm_port port)
{
	int i = fm_port_to_index(port);

	fm_info[i].enabled = 0;
	fman_disable_port(port);
}

void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus)
{
	int i = fm_port_to_index(port);

	if (i == -1)
		return;

	fm_info[i].bus = bus;
}

void fm_info_set_phy_address(enum fm_port port, int address)
{
	int i = fm_port_to_index(port);

	if (i == -1)
		return;

	fm_info[i].phy_addr = address;
}

/*
 * Returns the PHY address for a given Fman port
 *
 * The port must be set via a prior call to fm_info_set_phy_address().
 * A negative error code is returned if the port is invalid.
 */
int fm_info_get_phy_address(enum fm_port port)
{
	int i = fm_port_to_index(port);

	if (i == -1)
		return -1;

	return fm_info[i].phy_addr;
}

/*
 * Returns the type of the data interface between the given MAC and its PHY.
 * This is typically determined by the RCW.
 */
phy_interface_t fm_info_get_enet_if(enum fm_port port)
{
	int i = fm_port_to_index(port);

	if (i == -1)
		return PHY_INTERFACE_MODE_NONE;

	if (fm_info[i].enabled)
		return fm_info[i].enet_if;

	return PHY_INTERFACE_MODE_NONE;
}

static void
__def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
				enum fm_port port, int offset)
{
	return ;
}

void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
				enum fm_port port, int offset)
	 __attribute__((weak, alias("__def_board_ft_fman_fixup_port")));

static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
{
	int off;
	uint32_t ph;
	phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset;
	u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS +
				CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET;

	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);

	if (info->enabled) {
		fdt_fixup_phy_connection(blob, off, info->enet_if);
		board_ft_fman_fixup_port(blob, prop, paddr, info->port, off);
		return ;
	}

	/* board code might have caused offset to change */
	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);

	/* Don't disable FM1-DTSEC1 MAC as its used for MDIO */
	if (paddr != dtsec1_addr)
		fdt_status_disabled(blob, off); /* disable the MAC node */

	/* disable the fsl,dpa-ethernet node that points to the MAC */
	ph = fdt_get_phandle(blob, off);
	do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph),
		"status", "disabled", strlen("disabled") + 1, 1);
}

void fdt_fixup_fman_ethernet(void *blob)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
		if (fm_info[i].type == FM_ETH_1G_E)
			ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac");
		else
			ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac");
	}
}
Commit	Line	Data
c916d7c9 KG	1	/*
	2	* Copyright 2011 Freescale Semiconductor, Inc.
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License as
	6	* published by the Free Software Foundation; either version 2 of
	7	* the License, or (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write to the Free Software
	16	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	17	* MA 02111-1307 USA
	18	*/
	19	#include <common.h>
	20	#include <asm/io.h>
	21	#include <asm/fsl_serdes.h>
	22
	23	#include "fm.h"
	24
	25	struct fm_eth_info fm_info[] = {
	26	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 1)
	27	FM_DTSEC_INFO_INITIALIZER(1, 1),
	28	#endif
	29	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 2)
	30	FM_DTSEC_INFO_INITIALIZER(1, 2),
	31	#endif
	32	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 3)
	33	FM_DTSEC_INFO_INITIALIZER(1, 3),
	34	#endif
	35	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 4)
	36	FM_DTSEC_INFO_INITIALIZER(1, 4),
	37	#endif
	38	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 5)
	39	FM_DTSEC_INFO_INITIALIZER(1, 5),
	40	#endif
9e758758 YS	41	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 6)
	42	FM_DTSEC_INFO_INITIALIZER(1, 6),
	43	#endif
	44	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 7)
	45	FM_DTSEC_INFO_INITIALIZER(1, 9),
	46	#endif
	47	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 8)
	48	FM_DTSEC_INFO_INITIALIZER(1, 10),
	49	#endif
c916d7c9 KG	50	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 1)
	51	FM_DTSEC_INFO_INITIALIZER(2, 1),
	52	#endif
	53	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 2)
	54	FM_DTSEC_INFO_INITIALIZER(2, 2),
	55	#endif
	56	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 3)
	57	FM_DTSEC_INFO_INITIALIZER(2, 3),
	58	#endif
	59	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 4)
	60	FM_DTSEC_INFO_INITIALIZER(2, 4),
	61	#endif
99abf7de TT	62	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 5)
	63	FM_DTSEC_INFO_INITIALIZER(2, 5),
	64	#endif
9e758758 YS	65	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 6)
	66	FM_DTSEC_INFO_INITIALIZER(2, 6),
	67	#endif
	68	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 7)
	69	FM_DTSEC_INFO_INITIALIZER(2, 9),
	70	#endif
	71	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 8)
	72	FM_DTSEC_INFO_INITIALIZER(2, 10),
	73	#endif
c916d7c9 KG	74	#if (CONFIG_SYS_NUM_FM1_10GEC >= 1)
	75	FM_TGEC_INFO_INITIALIZER(1, 1),
	76	#endif
	77	#if (CONFIG_SYS_NUM_FM2_10GEC >= 1)
	78	FM_TGEC_INFO_INITIALIZER(2, 1),
	79	#endif
	80	};
	81
	82	int fm_standard_init(bd_t *bis)
	83	{
	84	int i;
	85	struct ccsr_fman *reg;
	86
	87	reg = (void *)CONFIG_SYS_FSL_FM1_ADDR;
	88	if (fm_init_common(0, reg))
	89	return 0;
	90
	91	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
	92	if ((fm_info[i].enabled) && (fm_info[i].index == 1))
	93	fm_eth_initialize(reg, &fm_info[i]);
	94	}
	95
	96	#if (CONFIG_SYS_NUM_FMAN == 2)
	97	reg = (void *)CONFIG_SYS_FSL_FM2_ADDR;
	98	if (fm_init_common(1, reg))
	99	return 0;
	100
	101	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
	102	if ((fm_info[i].enabled) && (fm_info[i].index == 2))
	103	fm_eth_initialize(reg, &fm_info[i]);
	104	}
	105	#endif
	106
	107	return 1;
	108	}
	109
	110	/* simple linear search to map from port to array index */
	111	static int fm_port_to_index(enum fm_port port)
	112	{
	113	int i;
	114
	115	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
	116	if (fm_info[i].port == port)
	117	return i;
	118	}
	119
	120	return -1;
	121	}
	122
	123	/*
	124	* Determine if an interface is actually active based on HW config
	125	* we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if
	126	* the interface is not active based on HW cfg of the SoC
	127	*/
	128	void fman_enet_init(void)
	129	{
	130	int i;
	131
	132	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
	133	phy_interface_t enet_if;
	134
	135	enet_if = fman_port_enet_if(fm_info[i].port);
	136	if (enet_if != PHY_INTERFACE_MODE_NONE) {
	137	fm_info[i].enabled = 1;
138	fm_info[i].enet_if = enet_if;
139	} else {
140	fm_info[i].enabled = 0;
141	}
142	}
143
144	return ;
145	}
146
69a85242 KG	147	void fm_disable_port(enum fm_port port)
	148	{
	149	int i = fm_port_to_index(port);
	150
	151	fm_info[i].enabled = 0;
	152	fman_disable_port(port);
	153	}
	154
c916d7c9 KG	155	void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus)
	156	{
	157	int i = fm_port_to_index(port);
	158
	159	if (i == -1)
	160	return;
	161
	162	fm_info[i].bus = bus;
	163	}
	164
	165	void fm_info_set_phy_address(enum fm_port port, int address)
	166	{
	167	int i = fm_port_to_index(port);
	168
	169	if (i == -1)
	170	return;
	171
	172	fm_info[i].phy_addr = address;
	173	}
	174
ae2291fb TT	175	/*
	176	* Returns the PHY address for a given Fman port
	177	*
	178	* The port must be set via a prior call to fm_info_set_phy_address().
	179	* A negative error code is returned if the port is invalid.
	180	*/
	181	int fm_info_get_phy_address(enum fm_port port)
	182	{
	183	int i = fm_port_to_index(port);
	184
	185	if (i == -1)
	186	return -1;
	187
	188	return fm_info[i].phy_addr;
	189	}
	190
c916d7c9 KG	191	/*
	192	* Returns the type of the data interface between the given MAC and its PHY.
	193	* This is typically determined by the RCW.
	194	*/
	195	phy_interface_t fm_info_get_enet_if(enum fm_port port)
	196	{
	197	int i = fm_port_to_index(port);
	198
	199	if (i == -1)
	200	return PHY_INTERFACE_MODE_NONE;
	201
	202	if (fm_info[i].enabled)
	203	return fm_info[i].enet_if;
	204
	205	return PHY_INTERFACE_MODE_NONE;
	206	}
	207
	208	static void
	209	__def_board_ft_fman_fixup_port(void blob, char prop, phys_addr_t pa,
	210	enum fm_port port, int offset)
	211	{
	212	return ;
	213	}
	214
	215	void board_ft_fman_fixup_port(void blob, char prop, phys_addr_t pa,
	216	enum fm_port port, int offset)
	217	__attribute__((weak, alias("__def_board_ft_fman_fixup_port")));
	218
	219	static void ft_fixup_port(void blob, struct fm_eth_info info, char *prop)
	220	{
4376b4c0 TT	221	int off;
4376b4c0 TT	222	uint32_t ph;
c916d7c9	223	phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset;
e81c0aba KG	224	u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS +
e81c0aba KG	225	CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET;
c916d7c9 KG	226
	227	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
	228
	229	if (info->enabled) {
	230	fdt_fixup_phy_connection(blob, off, info->enet_if);
	231	board_ft_fman_fixup_port(blob, prop, paddr, info->port, off);
	232	return ;
	233	}
	234
	235	/* board code might have caused offset to change */
	236	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
	237
e81c0aba	238	/* Don't disable FM1-DTSEC1 MAC as its used for MDIO */
4376b4c0 TT	239	if (paddr != dtsec1_addr)
4376b4c0 TT	240	fdt_status_disabled(blob, off); /* disable the MAC node */
c916d7c9	241
4376b4c0	242	/* disable the fsl,dpa-ethernet node that points to the MAC */
c916d7c9 KG	243	ph = fdt_get_phandle(blob, off);
	244	do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph),
	245	"status", "disabled", strlen("disabled") + 1, 1);
	246	}
	247
	248	void fdt_fixup_fman_ethernet(void *blob)
	249	{
	250	int i;
	251
	252	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
	253	if (fm_info[i].type == FM_ETH_1G_E)
	254	ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac");
	255	else
	256	ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac");
	257	}
	258	}