131 lines
2.9 KiB
C
131 lines
2.9 KiB
C
/*
|
|
* Freescale SGMII Riser Card
|
|
*
|
|
* This driver supports the SGMII Riser card found on the
|
|
* "DS" style of development board from Freescale.
|
|
*
|
|
* This software may be used and distributed according to the
|
|
* terms of the GNU Public License, Version 2, incorporated
|
|
* herein by reference.
|
|
*
|
|
* Copyright 2008 Freescale Semiconductor, Inc.
|
|
*
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <common.h>
|
|
#include <log.h>
|
|
#include <net.h>
|
|
#include <linux/libfdt.h>
|
|
#include <tsec.h>
|
|
#include <fdt_support.h>
|
|
|
|
void fsl_sgmii_riser_init(struct tsec_info_struct *tsec_info, int num)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < num; i++)
|
|
if (tsec_info[i].flags & TSEC_SGMII)
|
|
tsec_info[i].phyaddr += SGMII_RISER_PHY_OFFSET;
|
|
}
|
|
|
|
void fsl_sgmii_riser_fdt_fixup(void *fdt)
|
|
{
|
|
struct eth_device *dev;
|
|
int node;
|
|
int mdio_node;
|
|
int i = -1;
|
|
int etsec_num = 0;
|
|
|
|
node = fdt_path_offset(fdt, "/aliases");
|
|
if (node < 0)
|
|
return;
|
|
|
|
while ((dev = eth_get_dev_by_index(++i)) != NULL) {
|
|
struct tsec_private *priv;
|
|
int phy_node;
|
|
int enet_node;
|
|
uint32_t ph;
|
|
char sgmii_phy[16];
|
|
char enet[16];
|
|
const u32 *phyh;
|
|
const char *model;
|
|
const char *path;
|
|
|
|
if (!strstr(dev->name, "eTSEC"))
|
|
continue;
|
|
|
|
priv = dev->priv;
|
|
if (!(priv->flags & TSEC_SGMII)) {
|
|
etsec_num++;
|
|
continue;
|
|
}
|
|
|
|
mdio_node = fdt_node_offset_by_compatible(fdt, -1,
|
|
"fsl,gianfar-mdio");
|
|
if (mdio_node < 0)
|
|
return;
|
|
|
|
sprintf(sgmii_phy, "sgmii-phy@%d", etsec_num);
|
|
phy_node = fdt_subnode_offset(fdt, mdio_node, sgmii_phy);
|
|
if (phy_node > 0) {
|
|
fdt_increase_size(fdt, 32);
|
|
ph = fdt_create_phandle(fdt, phy_node);
|
|
if (!ph)
|
|
continue;
|
|
}
|
|
|
|
sprintf(enet, "ethernet%d", etsec_num++);
|
|
path = fdt_getprop(fdt, node, enet, NULL);
|
|
if (!path) {
|
|
debug("No alias for %s\n", enet);
|
|
continue;
|
|
}
|
|
|
|
enet_node = fdt_path_offset(fdt, path);
|
|
if (enet_node < 0)
|
|
continue;
|
|
|
|
model = fdt_getprop(fdt, enet_node, "model", NULL);
|
|
|
|
/*
|
|
* We only want to do this to eTSECs. On some platforms
|
|
* there are more than one type of gianfar-style ethernet
|
|
* controller, and as we are creating an implicit connection
|
|
* between ethernet nodes and eTSEC devices, it is best to
|
|
* make the connection use as much explicit information
|
|
* as exists.
|
|
*/
|
|
if (!strstr(model, "TSEC"))
|
|
continue;
|
|
|
|
if (phy_node < 0) {
|
|
/*
|
|
* This part is only for old device tree without
|
|
* sgmii_phy nodes. It's kept just for compatible
|
|
* reason. Soon to be deprecated if all device tree
|
|
* get updated.
|
|
*/
|
|
phyh = fdt_getprop(fdt, enet_node, "phy-handle", NULL);
|
|
if (!phyh)
|
|
continue;
|
|
|
|
phy_node = fdt_node_offset_by_phandle(fdt,
|
|
fdt32_to_cpu(*phyh));
|
|
|
|
priv = dev->priv;
|
|
|
|
if (priv->flags & TSEC_SGMII)
|
|
fdt_setprop_cell(fdt, phy_node, "reg",
|
|
priv->phyaddr);
|
|
} else {
|
|
fdt_setprop(fdt, enet_node, "phy-handle", &ph,
|
|
sizeof(ph));
|
|
fdt_setprop_string(fdt, enet_node,
|
|
"phy-connection-type",
|
|
phy_string_for_interface(
|
|
PHY_INTERFACE_MODE_SGMII));
|
|
}
|
|
}
|
|
}
|