mirror of
https://github.com/AsahiLinux/u-boot
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11f4dc1583
It is useful to be able to keep track of the available CPUs in a multi-CPU system. This uclass is mostly intended for use with SMP systems. The uclass provides methods for getting basic information about each CPU. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/*
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* Copyright (c) 2013 Google, Inc
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*
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* (C) Copyright 2012
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* Pavel Herrmann <morpheus.ibis@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _DM_UCLASS_ID_H
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#define _DM_UCLASS_ID_H
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/* TODO(sjg@chromium.org): this could be compile-time generated */
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enum uclass_id {
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/* These are used internally by driver model */
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UCLASS_ROOT = 0,
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UCLASS_DEMO,
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UCLASS_TEST,
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UCLASS_TEST_FDT,
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UCLASS_TEST_BUS,
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UCLASS_SPI_EMUL, /* sandbox SPI device emulator */
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UCLASS_I2C_EMUL, /* sandbox I2C device emulator */
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UCLASS_PCI_EMUL, /* sandbox PCI device emulator */
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UCLASS_USB_EMUL, /* sandbox USB bus device emulator */
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UCLASS_SIMPLE_BUS,
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/* U-Boot uclasses start here */
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UCLASS_GPIO, /* Bank of general-purpose I/O pins */
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UCLASS_SERIAL, /* Serial UART */
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UCLASS_SPI, /* SPI bus */
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UCLASS_SPI_GENERIC, /* Generic SPI flash target */
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UCLASS_SPI_FLASH, /* SPI flash */
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UCLASS_CROS_EC, /* Chrome OS EC */
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UCLASS_THERMAL, /* Thermal sensor */
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UCLASS_I2C, /* I2C bus */
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UCLASS_I2C_GENERIC, /* Generic I2C device */
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UCLASS_I2C_EEPROM, /* I2C EEPROM device */
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UCLASS_MOD_EXP, /* RSA Mod Exp device */
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UCLASS_PCI, /* PCI bus */
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UCLASS_PCI_GENERIC, /* Generic PCI bus device */
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UCLASS_PCH, /* x86 platform controller hub */
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UCLASS_ETH, /* Ethernet device */
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UCLASS_LPC, /* x86 'low pin count' interface */
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UCLASS_USB, /* USB bus */
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UCLASS_USB_HUB, /* USB hub */
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UCLASS_USB_DEV_GENERIC, /* USB generic device */
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UCLASS_MASS_STORAGE, /* Mass storage device */
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UCLASS_CPU, /* CPU, typically part of an SoC */
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UCLASS_COUNT,
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UCLASS_INVALID = -1,
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};
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#endif
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