62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2019 NXP
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*/
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#include <config.h>
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#include <fdt_support.h>
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#include <asm/io.h>
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#ifdef CONFIG_FMAN_ENET
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int fdt_update_ethernet_dt(void *blob)
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{
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u32 srds_s1;
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int i, prop;
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int offset, nodeoff;
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const char *path;
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struct ccsr_gur *gur = (void *)(CFG_SYS_FSL_GUTS_ADDR);
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srds_s1 = in_be32(&gur->rcwsr[4]) &
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FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
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srds_s1 >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;
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/* Cycle through all aliases */
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for (prop = 0; ; prop++) {
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const char *name;
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/* FDT might have been edited, recompute the offset */
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offset = fdt_first_property_offset(blob,
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fdt_path_offset(blob,
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"/aliases")
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);
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/* Select property number 'prop' */
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for (i = 0; i < prop; i++)
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offset = fdt_next_property_offset(blob, offset);
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if (offset < 0)
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break;
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path = fdt_getprop_by_offset(blob, offset, &name, NULL);
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nodeoff = fdt_path_offset(blob, path);
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switch (srds_s1) {
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case 0x3040:
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if (!strcmp(name, "ethernet1"))
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fdt_status_disabled(blob, nodeoff);
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if (!strcmp(name, "ethernet2"))
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fdt_status_disabled(blob, nodeoff);
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if (!strcmp(name, "ethernet3"))
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fdt_status_disabled(blob, nodeoff);
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if (!strcmp(name, "ethernet6"))
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fdt_status_disabled(blob, nodeoff);
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break;
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default:
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printf("%s:Invalid SerDes prtcl 0x%x for LS1046AFRWY\n",
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__func__, srds_s1);
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break;
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}
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}
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return 0;
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}
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#endif
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