coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
romstage.c
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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 #include <baseboard/variants.h>
4 #include <soc/platform_descriptors.h>
5 
6 void mb_pre_fspm(void)
7 {
8  size_t base_num_gpios;
9  const struct soc_amd_gpio *base_gpios;
10 
11  /* Initialize PCIe reset. */
12  variant_pcie_gpio_table(&base_gpios, &base_num_gpios);
13 
14  gpio_configure_pads(base_gpios, base_num_gpios);
15 }
void mb_pre_fspm(void)
Definition: romstage.c:6
const struct soc_amd_gpio *__weak variant_pcie_gpio_table(size_t *size)
Definition: gpio.c:294
void gpio_configure_pads(const struct soc_amd_gpio *gpio_list_ptr, size_t size)
program a particular set of GPIO
Definition: gpio.c:307