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https://github.com/brain-hackers/u-boot-brain
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103 lines
1.8 KiB
C
103 lines
1.8 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2020 - Texas Instruments Incorporated - http://www.ti.com/
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* Dave Gerlach <d-gerlach@ti.com>
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*/
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#include <common.h>
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#include <soc.h>
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#include <dm.h>
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#include <errno.h>
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#include <dm/lists.h>
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#include <dm/root.h>
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int soc_get(struct udevice **devp)
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{
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return uclass_first_device_err(UCLASS_SOC, devp);
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}
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int soc_get_machine(struct udevice *dev, char *buf, int size)
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{
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struct soc_ops *ops = soc_get_ops(dev);
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if (!ops->get_machine)
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return -ENOSYS;
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return ops->get_machine(dev, buf, size);
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}
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int soc_get_family(struct udevice *dev, char *buf, int size)
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{
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struct soc_ops *ops = soc_get_ops(dev);
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if (!ops->get_family)
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return -ENOSYS;
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return ops->get_family(dev, buf, size);
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}
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int soc_get_revision(struct udevice *dev, char *buf, int size)
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{
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struct soc_ops *ops = soc_get_ops(dev);
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if (!ops->get_revision)
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return -ENOSYS;
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return ops->get_revision(dev, buf, size);
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}
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const struct soc_attr *
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soc_device_match(const struct soc_attr *matches)
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{
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bool match;
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struct udevice *soc;
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char str[SOC_MAX_STR_SIZE];
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if (!matches)
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return NULL;
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if (soc_get(&soc))
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return NULL;
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while (1) {
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if (!(matches->machine || matches->family ||
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matches->revision))
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break;
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match = true;
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if (matches->machine) {
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if (!soc_get_machine(soc, str, SOC_MAX_STR_SIZE)) {
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if (strcmp(matches->machine, str))
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match = false;
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}
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}
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if (matches->family) {
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if (!soc_get_family(soc, str, SOC_MAX_STR_SIZE)) {
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if (strcmp(matches->family, str))
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match = false;
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}
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}
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if (matches->revision) {
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if (!soc_get_revision(soc, str, SOC_MAX_STR_SIZE)) {
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if (strcmp(matches->revision, str))
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match = false;
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}
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}
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if (match)
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return matches;
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matches++;
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}
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return NULL;
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}
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UCLASS_DRIVER(soc) = {
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.id = UCLASS_SOC,
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.name = "soc",
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};
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