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c761028e34
Since the new RevC LX2160A-RDB board has its 10G Aquantia PHYs at different MDIO bus addresses, we must update both the kernel DTS and u-boot's DTS (in case of DM_ETH) in case the board is indeed RevC or newer. Use the newly introduced get_board_rev() function to trigger a fixup of the kernel DTS to properly match the actual PHY addresses. All this is encapsulated in the fdt_fixup_board_phy_revc() function which will be used in the next patch. Use the newly fdt_fixup_board_phy_revc() function introduced to update both kernel's DTS and u-boot's DTS. Signed-off-by: Florin Chiculita <florinlaurentiu.chiculita@nxp.com> Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Reviewed-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com>
146 lines
3.3 KiB
C
146 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2018, 2020 NXP
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*
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*/
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#include <common.h>
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#include <netdev.h>
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#include <exports.h>
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#include <fsl-mc/fsl_mc.h>
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#include "lx2160a.h"
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DECLARE_GLOBAL_DATA_PTR;
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int board_eth_init(struct bd_info *bis)
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{
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#ifdef CONFIG_PHY_AQUANTIA
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/*
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* Export functions to be used by AQ firmware
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* upload application
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*/
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gd->jt->strcpy = strcpy;
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gd->jt->mdelay = mdelay;
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gd->jt->mdio_get_current_dev = mdio_get_current_dev;
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gd->jt->phy_find_by_mask = phy_find_by_mask;
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gd->jt->mdio_phydev_for_ethname = mdio_phydev_for_ethname;
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gd->jt->miiphy_set_current_dev = miiphy_set_current_dev;
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#endif
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return pci_eth_init(bis);
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}
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#if defined(CONFIG_RESET_PHY_R)
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void reset_phy(void)
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{
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#if defined(CONFIG_FSL_MC_ENET)
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mc_env_boot();
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#endif
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}
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#endif /* CONFIG_RESET_PHY_R */
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static int fdt_get_dpmac_node(void *fdt, int dpmac_id)
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{
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char dpmac_str[11] = "dpmacs@00";
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int offset, dpmacs_offset;
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/* get the dpmac offset */
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dpmacs_offset = fdt_path_offset(fdt, "/soc/fsl-mc/dpmacs");
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if (dpmacs_offset < 0)
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dpmacs_offset = fdt_path_offset(fdt, "/fsl-mc/dpmacs");
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if (dpmacs_offset < 0) {
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printf("dpmacs node not found in device tree\n");
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return dpmacs_offset;
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}
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sprintf(dpmac_str, "dpmac@%x", dpmac_id);
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offset = fdt_subnode_offset(fdt, dpmacs_offset, dpmac_str);
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if (offset < 0) {
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sprintf(dpmac_str, "ethernet@%x", dpmac_id);
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offset = fdt_subnode_offset(fdt, dpmacs_offset, dpmac_str);
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if (offset < 0) {
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printf("dpmac@%x/ethernet@%x node not found in device tree\n",
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dpmac_id, dpmac_id);
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return offset;
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}
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}
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return offset;
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}
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static int fdt_update_phy_addr(void *fdt, int dpmac_id, int phy_addr)
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{
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char dpmac_str[] = "dpmacs@00";
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const u32 *phyhandle;
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int offset;
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int err;
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/* get the dpmac offset */
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offset = fdt_get_dpmac_node(fdt, dpmac_id);
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if (offset < 0)
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return offset;
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/* get dpmac phy-handle */
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sprintf(dpmac_str, "dpmac@%x", dpmac_id);
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phyhandle = (u32 *)fdt_getprop(fdt, offset, "phy-handle", NULL);
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if (!phyhandle) {
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printf("%s node not found in device tree\n", dpmac_str);
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return offset;
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}
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offset = fdt_node_offset_by_phandle(fdt, fdt32_to_cpu(*phyhandle));
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if (offset < 0) {
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printf("Could not get the ph node offset for dpmac %d\n",
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dpmac_id);
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return offset;
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}
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phy_addr = cpu_to_fdt32(phy_addr);
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err = fdt_setprop(fdt, offset, "reg", &phy_addr, sizeof(phy_addr));
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if (err < 0) {
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printf("Could not set phy node's reg for dpmac %d: %s.\n",
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dpmac_id, fdt_strerror(err));
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return err;
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}
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return 0;
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}
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static int fdt_delete_phy_handle(void *fdt, int dpmac_id)
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{
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const u32 *phyhandle;
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int offset;
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/* get the dpmac offset */
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offset = fdt_get_dpmac_node(fdt, dpmac_id);
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if (offset < 0)
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return offset;
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/* verify if the node has a phy-handle */
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phyhandle = (u32 *)fdt_getprop(fdt, offset, "phy-handle", NULL);
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if (!phyhandle)
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return 0;
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return fdt_delprop(fdt, offset, "phy-handle");
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}
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int fdt_fixup_board_phy_revc(void *fdt)
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{
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int ret;
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if (get_board_rev() < 'C')
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return 0;
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/* DPMACs 3,4 have their Aquantia PHYs at new addresses */
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ret = fdt_update_phy_addr(fdt, 3, AQR113C_PHY_ADDR1);
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if (ret)
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return ret;
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ret = fdt_update_phy_addr(fdt, 4, AQR113C_PHY_ADDR2);
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if (ret)
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return ret;
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/* There is no PHY for the DPMAC2, so remove the phy-handle */
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return fdt_delete_phy_handle(fdt, 2);
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}
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