6b5bc77c9b
Stefan thinks they don't add value. Command used: sed -i -e '/file is part of /d' $(git grep "file is part of " |egrep ":( */\*.*\*/\$|#|;#|-- | *\* )" | cut -d: -f1 |grep -v crossgcc |grep -v gcov | grep -v /elf.h |grep -v nvramtool) The exceptions are for: - crossgcc (patch file) - gcov (imported from gcc) - elf.h (imported from GNU's libc) - nvramtool (more complicated header) The removed lines are: - fmt.Fprintln(f, "/* This file is part of the coreboot project. */") -# This file is part of a set of unofficial pre-commit hooks available -/* This file is part of coreboot */ -# This file is part of msrtool. -/* This file is part of msrtool. */ - * This file is part of ncurses, designed to be appended after curses.h.in -/* This file is part of pgtblgen. */ - * This file is part of the coreboot project. - /* This file is part of the coreboot project. */ -# This file is part of the coreboot project. -# This file is part of the coreboot project. -## This file is part of the coreboot project. --- This file is part of the coreboot project. -/* This file is part of the coreboot project */ -/* This file is part of the coreboot project. */ -;## This file is part of the coreboot project. -# This file is part of the coreboot project. It originated in the - * This file is part of the coreinfo project. -## This file is part of the coreinfo project. - * This file is part of the depthcharge project. -/* This file is part of the depthcharge project. */ -/* This file is part of the ectool project. */ - * This file is part of the GNU C Library. - * This file is part of the libpayload project. -## This file is part of the libpayload project. -/* This file is part of the Linux kernel. */ -## This file is part of the superiotool project. -/* This file is part of the superiotool project */ -/* This file is part of uio_usbdebug */ Change-Id: I82d872b3b337388c93d5f5bf704e9ee9e53ab3a9 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41194 Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <boardid.h>
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#include <gpio.h>
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#include <console/console.h>
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/*
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* Storm boards dedicate to the board ID three GPIOs in tertiary mode: 29, 30
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* and 68. On proto0 GPIO68 is used and tied low, so it reads as 'zero' by
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* gpio_base3_value(), whereas the other two pins are not connected
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* and read as 'two'. This results in gpio_base3_value() returning
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* 8 on proto0.
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*
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* Three tertitiary signals could represent 27 different values. To make
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* calculated board ID value continuous and starting at zero, offset the
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* calculated value by 19 (i.e. 27 - 8) and return modulo 27 of the offset
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* number. This results in proto0 returning zero as the board ID, the future
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* revisions will have the inputs configured to match the actual board
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* revision.
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*/
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static int board_id_value = -1;
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static uint8_t get_board_id(void)
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{
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uint8_t bid;
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gpio_t hw_rev_gpios[] = {[2] = 68, [1] = 30, [0] = 29}; /* 29 is LSB */
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int offset = 19;
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bid = gpio_base3_value(hw_rev_gpios, ARRAY_SIZE(hw_rev_gpios));
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bid = (bid + offset) % 27;
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printk(BIOS_INFO, "Board ID %d\n", bid);
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return bid;
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}
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uint32_t board_id(void)
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{
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if (board_id_value < 0)
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board_id_value = get_board_id();
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return board_id_value;
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}
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