coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
variant.c
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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 #include <baseboard/variants.h>
4 #include <boardid.h>
5 #include <device/device.h>
6 #include <soc/gpio.h>
7 #include <amdblocks/cpu.h>
8 
10 {
11  return is_dev_enabled(DEV_PTR(gpp_bridge_2));
12 }
13 
15 {
16  return board_id() == 1 ? GPIO_70 : GPIO_69;
17 }
18 
19 void variant_update_ddi_descriptors(fsp_ddi_descriptor *ddi_descriptors)
20 {
21  if ((get_cpu_count() == 4 && get_threads_per_core() == 2) || get_cpu_count() == 2)
22  ddi_descriptors[1].connector_type = DDI_UNUSED_TYPE;
23 }
bool is_dev_enabled(const struct device *dev)
Definition: device_const.c:369
uint32_t board_id(void)
board_id() - Get the board version
Definition: ec_boardid.c:6
void variant_update_ddi_descriptors(fsp_ddi_descriptor *ddi_descriptors)
Definition: variant.c:6
uint8_t variant_sd_aux_reset_gpio(void)
Definition: variant.c:14
bool variant_has_pcie_wwan(void)
Definition: variant.c:9
static int get_cpu_count(void)
Definition: haswell_init.c:584
#define DEV_PTR(_alias)
Definition: device.h:403
#define GPIO_69
Definition: gpio.h:55
#define GPIO_70
Definition: gpio.h:56
unsigned int get_threads_per_core(void)
Definition: cpu.c:15
unsigned char uint8_t
Definition: stdint.h:8