mirror of
https://github.com/AsahiLinux/u-boot
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e7dcf5645f
This header file is now only used by files that access internal environment features. Drop it from various places where it is not needed. Acked-by: Joe Hershberger <joe.hershberger@ni.com> Signed-off-by: Simon Glass <sjg@chromium.org>
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* CPSW common - libs used across TI ethernet devices.
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*
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* Copyright (C) 2016, Texas Instruments, Incorporated
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*/
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#include <common.h>
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#include <dm.h>
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#include <fdt_support.h>
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#include <asm/io.h>
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#include <cpsw.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define CTRL_MAC_REG(offset, id) ((offset) + 0x8 * (id))
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static void davinci_emac_3517_get_macid(u32 addr, u8 *mac_addr)
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{
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/* try reading mac address from efuse */
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u32 macid_lsb = readl(addr);
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u32 macid_msb = readl(addr + 4);
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mac_addr[0] = (macid_msb >> 16) & 0xff;
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mac_addr[1] = (macid_msb >> 8) & 0xff;
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mac_addr[2] = macid_msb & 0xff;
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mac_addr[3] = (macid_lsb >> 16) & 0xff;
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mac_addr[4] = (macid_lsb >> 8) & 0xff;
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mac_addr[5] = macid_lsb & 0xff;
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}
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static void cpsw_am33xx_cm_get_macid(u32 addr, u8 *mac_addr)
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{
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/* try reading mac address from efuse */
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u32 macid_lo = readl(addr);
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u32 macid_hi = readl(addr + 4);
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mac_addr[5] = (macid_lo >> 8) & 0xff;
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mac_addr[4] = macid_lo & 0xff;
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mac_addr[3] = (macid_hi >> 24) & 0xff;
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mac_addr[2] = (macid_hi >> 16) & 0xff;
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mac_addr[1] = (macid_hi >> 8) & 0xff;
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mac_addr[0] = macid_hi & 0xff;
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}
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void ti_cm_get_macid(struct udevice *dev, struct cpsw_platform_data *data,
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u8 *mac_addr)
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{
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if (!strcmp(data->macid_sel_compat, "cpsw,am33xx"))
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cpsw_am33xx_cm_get_macid(data->syscon_addr, mac_addr);
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else if (!strcmp(data->macid_sel_compat, "davinci,emac"))
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davinci_emac_3517_get_macid(data->syscon_addr, mac_addr);
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}
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int ti_cm_get_macid_addr(struct udevice *dev, int slave,
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struct cpsw_platform_data *data)
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{
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void *fdt = (void *)gd->fdt_blob;
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int node = dev_of_offset(dev);
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fdt32_t gmii = 0;
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int syscon;
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u16 offset;
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if (of_machine_is_compatible("ti,dm8148")) {
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offset = 0x630;
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data->macid_sel_compat = "cpsw,am33xx";
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} else if (of_machine_is_compatible("ti,am33xx")) {
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offset = 0x630;
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data->macid_sel_compat = "cpsw,am33xx";
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} else if (device_is_compatible(dev, "ti,am3517-emac")) {
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offset = 0x110;
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data->macid_sel_compat = "davinci,emac";
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} else if (device_is_compatible(dev, "ti,dm816-emac")) {
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offset = 0x30;
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data->macid_sel_compat = "cpsw,am33xx";
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} else if (of_machine_is_compatible("ti,am43")) {
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offset = 0x630;
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data->macid_sel_compat = "cpsw,am33xx";
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} else if (of_machine_is_compatible("ti,dra7")) {
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offset = 0x514;
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data->macid_sel_compat = "davinci,emac";
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} else {
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dev_err(dev, "incompatible machine/device type for reading mac address\n");
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return -ENOENT;
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}
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syscon = fdtdec_lookup_phandle(fdt, node, "syscon");
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if (syscon < 0) {
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pr_err("Syscon offset not found\n");
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return -ENOENT;
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}
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data->syscon_addr = (u32)map_physmem(fdt_translate_address(fdt, syscon,
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&gmii),
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sizeof(u32), MAP_NOCACHE);
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if (data->syscon_addr == FDT_ADDR_T_NONE) {
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pr_err("Not able to get syscon address to get mac efuse address\n");
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return -ENOENT;
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}
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data->syscon_addr += CTRL_MAC_REG(offset, slave);
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return 0;
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}
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