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/*
* 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_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_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, 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) {
/* disable the mac node */
fdt_setprop_string(blob, off, "status", "disabled");
}
/* disable the node point 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");
}
}
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