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bh=XNL7ajS0udcbpzr/TUzDbEe6RnofRplDrDRxS4b0E9M=; b=MsvKoyM+l5gKrvtHa0Ri9WEMx5YZ8qmRgDXUdIbSVM5AOq9XMhCx8fKD4GxjuvIIoa iZpzd3hu/VEnUs3nDdMNkgh1Uo30QM2VbG2xk8GhWqmggJE85R7bcc7dLVdMu7aLaqAA KZVYudDR+HN253+0auJJELJ+Gwvmvc2MOzT1sWyP2VuwI+4CFA2plaJobjihEcNpoSMF GNvOXdrSB+gvbtp0eX0e/+sWNjIyw6olu0/V3AIwCmLVMYV3TMj6vZ38y8I6C7NP0NMD D/Tyhp95bAWgFviagoWeTOMc0gFhBmmeXc2Q7409XPBD3vf1BhJNjG4t1EGZY995Q/D7 /2XQ== X-Gm-Message-State: AOAM5300nFefeuZ2N8DGzrcp7azYtzjbXRMsOpcLD2osx18OD1lYb7p/ w3WcVfqyGp2NnyBaQhYtMDWLOwOu/40= X-Google-Smtp-Source: ABdhPJyQKlHhrOXnWyFgd6irPXXFSKFPSXzkrELkguCrz/yd/C5AJC2bE0dQMVPCwceqQrDK8kf2eA== X-Received: by 2002:a63:4e4d:: with SMTP id o13mr371286pgl.300.1628225426043; Thu, 05 Aug 2021 21:50:26 -0700 (PDT) Received: from localhost.localdomain ([66.218.48.244]) by smtp.gmail.com with ESMTPSA id m11sm11394074pjn.2.2021.08.05.21.50.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Aug 2021 21:50:25 -0700 (PDT) From: Tony Dinh To: U-Boot Mailing List , Stefan Roese , Simon Glass , Ramon Fried , Joe Hershberger Cc: Tom Rini , Tony Dinh Subject: [PATCH 2/3] Add fdt network helper functions Date: Thu, 5 Aug 2021 21:49:09 -0700 Message-Id: <20210806044910.23500-3-mibodhi@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210806044910.23500-1-mibodhi@gmail.com> References: <20210806044910.23500-1-mibodhi@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean Add fdt network helper functions common/fdt_support_net.c Signed-off-by: Tony Dinh --- common/fdt_support_net.c | 46 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 common/fdt_support_net.c diff --git a/common/fdt_support_net.c b/common/fdt_support_net.c new file mode 100644 index 0000000000..06fa2175b4 --- /dev/null +++ b/common/fdt_support_net.c @@ -0,0 +1,46 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2021 Tony Dinh + */ + +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +int fdt_get_phy_addr(const char *path) +{ + const void *fdt = gd->fdt_blob; + const u32 *reg; + const u32 *val; + int node, phandle, addr; + + /* Find the node by its full path */ + node = fdt_path_offset(fdt, path); + if (node >= 0) { + /* Look up phy-handle */ + val = fdt_getprop(fdt, node, "phy-handle", NULL); + if (!val) + /* Look up phy (deprecated property for phy handle) */ + val = fdt_getprop(fdt, node, "phy", NULL); + if (val) { + phandle = fdt32_to_cpu(*val); + if (!phandle) + return -1; + /* Follow it to its node */ + node = fdt_node_offset_by_phandle(fdt, phandle); + if (node) { + /* Look up reg */ + reg = fdt_getprop(fdt, node, "reg", NULL); + if (reg) { + addr = fdt32_to_cpu(*reg); + return addr; + } + } + } + } + return -1; +} -- 2.20.1