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>
120 lines
3 KiB
C
120 lines
3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <device/mmio.h>
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#include <soc/addressmap.h>
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#include <soc/padconfig.h>
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static uint32_t * const pinmux_regs = (void *)(uintptr_t)TEGRA_APB_PINMUX_BASE;
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static struct gpio_bank * const gpio_regs = (void *)(uintptr_t)TEGRA_GPIO_BASE;
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static inline struct gpio_bank * const get_gpio_bank_regs(int index)
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{
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return &gpio_regs[gpio_index_to_bank(index)];
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}
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static inline uint32_t pad_get_pinmux(int index)
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{
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return read32(&pinmux_regs[index]);
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}
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static inline void pad_set_pinmux(int index, uint32_t reg)
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{
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return write32(&pinmux_regs[index], reg);
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}
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static inline void pad_set_gpio_out(int gpio_index, int val)
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{
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struct gpio_bank * const regs = get_gpio_bank_regs(gpio_index);
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int port = gpio_index_to_port(gpio_index);
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int bit = gpio_to_bit(gpio_index);
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write32(®s->out_value_mask[port],
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(1 << (bit + GPIO_GPIOS_PER_PORT)) | (val << bit));
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write32(®s->out_enable_mask[port],
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(1 << (bit + GPIO_GPIOS_PER_PORT)) | (1 << bit));
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}
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static inline void pad_set_mode(int gpio_index, int sfio_or_gpio)
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{
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struct gpio_bank * const regs = get_gpio_bank_regs(gpio_index);
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int port = gpio_index_to_port(gpio_index);
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int bit = gpio_to_bit(gpio_index);
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write32(®s->config_mask[port],
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(1 << (bit + GPIO_GPIOS_PER_PORT)) | (sfio_or_gpio << bit));
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}
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static inline void pad_set_gpio_mode(int gpio_index)
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{
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pad_set_mode(gpio_index, 1);
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}
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static inline void pad_set_sfio_mode(int gpio_index)
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{
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pad_set_mode(gpio_index, 0);
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}
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static void configure_unused_pad(const struct pad_config * const entry)
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{
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uint32_t reg;
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/*
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* Tristate the pad and disable input. If power-on-reset state is a
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* pullup maintain that. Otherwise enable pulldown.
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*/
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reg = pad_get_pinmux(entry->pinmux_index);
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reg &= ~PINMUX_INPUT_ENABLE;
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reg |= PINMUX_TRISTATE;
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reg &= ~PINMUX_PULL_MASK;
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if (entry->por_pullup)
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reg |= PINMUX_PULL_UP;
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else
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reg |= PINMUX_PULL_DOWN;
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pad_set_pinmux(entry->pinmux_index, reg);
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/*
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* Set to GPIO mode if GPIO available to bypass collisions of
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* controller signals going to more than one pad.
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*/
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if (entry->pad_has_gpio)
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pad_set_gpio_mode(entry->gpio_index);
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}
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static void configure_sfio_pad(const struct pad_config * const entry)
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{
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pad_set_pinmux(entry->pinmux_index, entry->pinmux_flags);
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pad_set_sfio_mode(entry->gpio_index);
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}
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static void configure_gpio_pad(const struct pad_config * const entry)
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{
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uint32_t reg;
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if (entry->gpio_out0 || entry->gpio_out1)
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pad_set_gpio_out(entry->gpio_index, entry->gpio_out1 ? 1 : 0);
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/* Keep the original SFIO selection. */
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reg = pinmux_get_config(entry->pinmux_index);
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reg &= PINMUX_FUNC_MASK;
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reg |= entry->pinmux_flags;
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pad_set_pinmux(entry->pinmux_index, reg);
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pad_set_gpio_mode(entry->gpio_index);
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}
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void soc_configure_pads(const struct pad_config * const entries, size_t num)
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{
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size_t i;
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for (i = 0; i < num; i++) {
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const struct pad_config * const entry = &entries[i];
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if (entry->unused) {
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configure_unused_pad(entry);
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} else if (entry->sfio) {
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configure_sfio_pad(entry);
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} else {
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configure_gpio_pad(entry);
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}
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}
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}
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