mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-07 03:36:16 +09:00
83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2013 Google, Inc
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*/
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#include <common.h>
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#include <dm.h>
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#include <fdtdec.h>
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#include <spi.h>
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#include <spi_flash.h>
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#include <asm/state.h>
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#include <dm/device-internal.h>
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#include <dm/test.h>
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#include <dm/uclass-internal.h>
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#include <dm/util.h>
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#include <test/ut.h>
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/* Test that we can find buses and chip-selects */
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static int dm_test_spi_find(struct unit_test_state *uts)
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{
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struct sandbox_state *state = state_get_current();
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struct spi_slave *slave;
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struct udevice *bus, *dev;
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const int busnum = 0, cs = 0, mode = 0, speed = 1000000, cs_b = 1;
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struct spi_cs_info info;
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int of_offset;
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ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_SPI, busnum,
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false, &bus));
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/*
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* The post_bind() method will bind devices to chip selects. Check
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* this then remove the emulation and the slave device.
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*/
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ut_asserteq(0, uclass_get_device_by_seq(UCLASS_SPI, busnum, &bus));
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ut_assertok(spi_cs_info(bus, cs, &info));
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of_offset = dev_of_offset(info.dev);
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device_remove(info.dev, DM_REMOVE_NORMAL);
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device_unbind(info.dev);
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/*
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* Even though the device is gone, the sandbox SPI drivers always
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* reports that CS 0 is present
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*/
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ut_assertok(spi_cs_info(bus, cs, &info));
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ut_asserteq_ptr(NULL, info.dev);
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/* This finds nothing because we removed the device */
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ut_asserteq(-ENODEV, spi_find_bus_and_cs(busnum, cs, &bus, &dev));
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ut_asserteq(-ENODEV, spi_get_bus_and_cs(busnum, cs, speed, mode,
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NULL, 0, &bus, &slave));
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/*
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* This forces the device to be re-added, but there is no emulation
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* connected so the probe will fail. We require that bus is left
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* alone on failure, and that the spi_get_bus_and_cs() does not add
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* a 'partially-inited' device.
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*/
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ut_asserteq(-ENODEV, spi_find_bus_and_cs(busnum, cs, &bus, &dev));
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ut_asserteq(-ENOENT, spi_get_bus_and_cs(busnum, cs, speed, mode,
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"spi_flash_std", "name", &bus,
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&slave));
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sandbox_sf_unbind_emul(state_get_current(), busnum, cs);
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ut_assertok(spi_cs_info(bus, cs, &info));
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ut_asserteq_ptr(NULL, info.dev);
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/* Add the emulation and try again */
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ut_assertok(sandbox_sf_bind_emul(state, busnum, cs, bus, of_offset,
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"name"));
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ut_assertok(spi_find_bus_and_cs(busnum, cs, &bus, &dev));
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ut_assertok(spi_get_bus_and_cs(busnum, cs, speed, mode,
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"spi_flash_std", "name", &bus, &slave));
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ut_assertok(spi_cs_info(bus, cs, &info));
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ut_asserteq_ptr(info.dev, slave->dev);
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/* We should be able to add something to another chip select */
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ut_assertok(sandbox_sf_bind_emul(state, busnum, cs_b, bus, of_offset,
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"name"));
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ut_assertok(spi_get_bus_and_cs(busnum, cs_b, speed, mode,
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"spi_flash_std", "name", &bus, &slave));
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ut_assertok(spi_cs_info(bus, cs_b, &info));
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ut_asserteq_ptr(info.dev, slave->dev);
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/*
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* Since we are about to destroy all devices, we must tell sandbox
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* to forget the emulation device
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*/
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sandbox_sf_unbind_emul(state_get_current(), busnum, cs);
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sandbox_sf_unbind_emul(state_get_current(), busnum, cs_b);
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return 0;
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}
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DM_TEST(dm_test_spi_find, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test that sandbox SPI works correctly */
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static int dm_test_spi_xfer(struct unit_test_state *uts)
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{
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struct spi_slave *slave;
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struct udevice *bus;
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const int busnum = 0, cs = 0, mode = 0;
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const char dout[5] = {0x9f};
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unsigned char din[5];
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ut_assertok(spi_get_bus_and_cs(busnum, cs, 1000000, mode, NULL, 0,
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&bus, &slave));
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ut_assertok(spi_claim_bus(slave));
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ut_assertok(spi_xfer(slave, 40, dout, din,
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SPI_XFER_BEGIN | SPI_XFER_END));
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ut_asserteq(0xff, din[0]);
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ut_asserteq(0x20, din[1]);
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ut_asserteq(0x20, din[2]);
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ut_asserteq(0x15, din[3]);
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spi_release_bus(slave);
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/*
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* Since we are about to destroy all devices, we must tell sandbox
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* to forget the emulation device
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*/
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#ifdef CONFIG_DM_SPI_FLASH
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sandbox_sf_unbind_emul(state_get_current(), busnum, cs);
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#endif
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return 0;
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}
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DM_TEST(dm_test_spi_xfer, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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