tests/avocado: Truncate M2S-FG484 SOM SPI flash to 16MiB
The M2S-FG484 SOM uses a 16 MiB SPI flash (Spansion S25FL128SDPBHICO). Since the test asset is bigger, truncate it to the correct size to avoid when running the test_arm_emcraft_sf2 test: qemu-system-arm: device requires 16777216 bytes, block backend provides 67108864 bytes Add comment regarding the M2S-FG484 SOM hardware in hw/arm/msf2-som.c. Reported-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Cédric Le Goater <clg@kaod.org> Tested-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
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@ -1,6 +1,9 @@
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/*
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* SmartFusion2 SOM starter kit(from Emcraft) emulation.
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*
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* M2S-FG484 SOM hardware architecture specification:
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* https://www.emcraft.com/jdownloads/som/m2s/m2s-som-ha.pdf
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*
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* Copyright (c) 2017 Subbaraya Sundeep <sundeep.lkml@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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@ -87,7 +90,7 @@ static void emcraft_sf2_s2s010_init(MachineState *machine)
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/* Attach SPI flash to SPI0 controller */
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spi_bus = qdev_get_child_bus(dev, "spi0");
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spi_flash = qdev_new("s25sl12801");
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spi_flash = qdev_new("s25sl12801"); /* Spansion S25FL128SDPBHICO */
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qdev_prop_set_uint8(spi_flash, "spansion-cr2nv", 1);
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if (dinfo) {
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qdev_prop_set_drive_err(spi_flash, "drive",
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@ -400,6 +400,8 @@ class BootLinuxConsole(LinuxKernelTest):
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spi_hash = '65523a1835949b6f4553be96dec1b6a38fb05501'
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spi_path = self.fetch_asset(spi_url, asset_hash=spi_hash)
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file_truncate(spi_path, 16 << 20) # Spansion S25FL128SDPBHICO is 16 MiB
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self.vm.set_console()
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kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE
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self.vm.add_args('-kernel', uboot_path,
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