mirror of
https://github.com/AsahiLinux/u-boot
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1260f8c0ef
At present the PCH has 4 operations and these are reasonably widely used in the drivers. But sometimes we want to add rarely used operations, and each of these currently adds to the size of the PCH operations table. Add an ioctl() method which can be easily expanded without any more impact on the operations table. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
86 lines
1.6 KiB
C
86 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2018 Google LLC
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*/
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#include <common.h>
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#include <dm.h>
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#include <pch.h>
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struct sandbox_pch_priv {
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bool protect;
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};
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int sandbox_get_pch_spi_protect(struct udevice *dev)
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{
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struct sandbox_pch_priv *priv = dev_get_priv(dev);
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return priv->protect;
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}
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static int sandbox_pch_get_spi_base(struct udevice *dev, ulong *sbasep)
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{
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*sbasep = 0x10;
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return 0;
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}
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static int sandbox_pch_set_spi_protect(struct udevice *dev, bool protect)
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{
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struct sandbox_pch_priv *priv = dev_get_priv(dev);
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priv->protect = protect;
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return 0;
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}
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static int sandbox_pch_get_gpio_base(struct udevice *dev, u32 *gbasep)
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{
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*gbasep = 0x20;
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return 0;
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}
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static int sandbox_pch_get_io_base(struct udevice *dev, u32 *iobasep)
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{
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*iobasep = 0x30;
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return 0;
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}
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int sandbox_pch_ioctl(struct udevice *dev, enum pch_req_t req, void *data,
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int size)
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{
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switch (req) {
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case PCH_REQ_TEST1:
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return -ENOSYS;
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case PCH_REQ_TEST2:
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return *(char *)data;
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case PCH_REQ_TEST3:
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*(char *)data = 'x';
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return 1;
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default:
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return -ENOSYS;
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}
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}
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static const struct pch_ops sandbox_pch_ops = {
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.get_spi_base = sandbox_pch_get_spi_base,
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.set_spi_protect = sandbox_pch_set_spi_protect,
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.get_gpio_base = sandbox_pch_get_gpio_base,
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.get_io_base = sandbox_pch_get_io_base,
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.ioctl = sandbox_pch_ioctl,
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};
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static const struct udevice_id sandbox_pch_ids[] = {
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{ .compatible = "sandbox,pch" },
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{ }
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};
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U_BOOT_DRIVER(sandbox_pch_drv) = {
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.name = "sandbox-pch",
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.id = UCLASS_PCH,
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.of_match = sandbox_pch_ids,
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.ops = &sandbox_pch_ops,
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.priv_auto_alloc_size = sizeof(struct sandbox_pch_priv),
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};
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