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/* SPDX-License-Identifier: GPL-2.0-only */
#include <arch/cpu.h>
#include <console/console.h>
#include <soc/cpu.h>
#include <soc/soc_util.h>
#include <types.h>
#define SOCKET_TYPE_SHIFT 28
#define SOCKET_TYPSE_MASK (0xf << SOCKET_TYPE_SHIFT)
static enum socket_type get_socket_type(void)
{
uint32_t ebx = cpuid_ebx(0x80000001);
ebx = (ebx & SOCKET_TYPSE_MASK) >> SOCKET_TYPE_SHIFT;
return (enum socket_type)ebx;
}
void print_socket_type(void)
{
enum socket_type socket = get_socket_type();
printk(BIOS_INFO, "Socket type: ");
switch (socket) {
case SOCKET_FP5:
printk(BIOS_INFO, "FP5\n");
break;
case SOCKET_AM4:
printk(BIOS_INFO, "AM4\n");
break;
case SOCKET_FT5:
printk(BIOS_INFO, "FT5\n");
break;
default:
printk(BIOS_INFO, "unknown\n");
}
}
bool soc_is_pollock(void)
{
return soc_is_zen_plus() && get_socket_type() == SOCKET_FT5;
}
/*
* TODO: This detection works for the Dali SKUs used in Chrome-devices, but fails for other
* Dali SKUs, since other Dali SKUs have a Zen+ CPUID and not a Raven2 one.
*/
bool soc_is_dali(void)
{
return soc_is_raven2() && get_socket_type() == SOCKET_FP5;
}
bool soc_is_picasso(void)
{
return soc_is_zen_plus() && get_socket_type() == SOCKET_FP5;
}
bool soc_is_raven2(void)
{
/* mask lower model number nibble and stepping */
return cpuid_eax(1) >> 8 == RAVEN2_CPUID >> 8;
}
bool soc_is_zen_plus(void)
{
/* mask lower model number nibble and stepping */
return cpuid_eax(1) >> 8 == PICASSO_CPUID >> 8;
}
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