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feede8b070
The device tree's PHY addresses need to be fixed up if we're using the SGMII Riser Card. The 8572, 8536, and 8544 DS boards were modified to call this function. Code idea taken from Liu Yu <yu.liu@freescale.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
/*
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* Freescale SGMII Riser Card
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*
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* This driver supports the SGMII Riser card found on the
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* "DS" style of development board from Freescale.
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*
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* This software may be used and distributed according to the
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* terms of the GNU Public License, Version 2, incorporated
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* herein by reference.
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*
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* Copyright 2008 Freescale Semiconductor, Inc.
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*
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*/
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#include <config.h>
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#include <common.h>
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#include <net.h>
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#include <libfdt.h>
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#include <tsec.h>
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void fsl_sgmii_riser_init(struct tsec_info_struct *tsec_info, int num)
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{
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int i;
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for (i = 0; i < num; i++)
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if (tsec_info[i].flags & TSEC_SGMII)
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tsec_info[i].phyaddr += SGMII_RISER_PHY_OFFSET;
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}
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void fsl_sgmii_riser_fdt_fixup(void *fdt)
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{
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struct eth_device *dev;
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int node;
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int i = -1;
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int etsec_num = 0;
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node = fdt_path_offset(fdt, "/aliases");
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if (node < 0)
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return;
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while ((dev = eth_get_dev_by_index(++i)) != NULL) {
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struct tsec_private *priv;
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int enet_node;
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char enet[16];
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const u32 *phyh;
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int phynode;
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const char *model;
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const char *path;
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printf("Updating PHY address for %s\n", dev->name);
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if (!strstr(dev->name, "eTSEC"))
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continue;
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sprintf(enet, "ethernet%d", etsec_num++);
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path = fdt_getprop(fdt, node, enet, NULL);
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if (!path) {
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debug("No alias for %s\n", enet);
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continue;
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}
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enet_node = fdt_path_offset(fdt, path);
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if (enet_node < 0)
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continue;
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model = fdt_getprop(fdt, enet_node, "model", NULL);
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printf("%s's model is %s\n", enet, model);
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/*
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* We only want to do this to eTSECs. On some platforms
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* there are more than one type of gianfar-style ethernet
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* controller, and as we are creating an implicit connection
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* between ethernet nodes and eTSEC devices, it is best to
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* make the connection use as much explicit information
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* as exists.
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*/
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if (!strstr(model, "TSEC"))
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continue;
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phyh = fdt_getprop(fdt, enet_node, "phy-handle", NULL);
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if (!phyh)
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continue;
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phynode = fdt_node_offset_by_phandle(fdt, fdt32_to_cpu(*phyh));
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priv = dev->priv;
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printf("Device flags are %x\n", priv->flags);
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if (priv->flags & TSEC_SGMII)
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fdt_setprop_cell(fdt, phynode, "reg", priv->phyaddr);
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}
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}
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