1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/mmio.h>
#include <bootstate.h>
#include <console/console.h>
#include <console/post_codes.h>
#include <cpu/x86/smm.h>
#include <device/pci.h>
#include <intelblocks/cpulib.h>
#include <intelblocks/lpc_lib.h>
#include <intelblocks/pcr.h>
#include <intelblocks/pmclib.h>
#include <intelblocks/tco.h>
#include <intelblocks/thermal.h>
#include <spi-generic.h>
#include <soc/p2sb.h>
#include <soc/pci_devs.h>
#include <soc/pcr_ids.h>
#include <soc/pm.h>
#include <soc/smbus.h>
#include <soc/systemagent.h>
#include "chip.h"
#define CAMERA1_CLK 0x8000 /* Camera 1 Clock */
#define CAMERA2_CLK 0x8080 /* Camera 2 Clock */
#define CAM_CLK_EN (1 << 1)
#define MIPI_CLK (1 << 0)
#define HDPLL_CLK (0 << 0)
static void pch_enable_isclk(void)
{
pcr_or32(PID_ISCLK, CAMERA1_CLK, CAM_CLK_EN | MIPI_CLK);
pcr_or32(PID_ISCLK, CAMERA2_CLK, CAM_CLK_EN | MIPI_CLK);
}
static void pch_handle_sideband(config_t *config)
{
if (config->pch_isclk)
pch_enable_isclk();
}
static void pch_finalize(void)
{
uint32_t reg32;
uint8_t *pmcbase;
config_t *config;
tco_lockdown();
/*
* Set low maximum temp threshold value used for dynamic thermal sensor
* shutdown consideration.
*
* If Dynamic Thermal Shutdown is enabled then PMC logic shuts down the
* thermal sensor when CPU is in a C-state and DTS Temp <= LTT.
*/
pch_thermal_configuration();
config = config_of_soc();
pmcbase = pmc_mmio_regs();
if (config->s0ix_enable && config->cppmvric2_adsposcdis) {
/* Enable Audio DSP OSC qualification for S0ix */
reg32 = read32(pmcbase + CPPMVRIC2);
reg32 &= ~ADSPOSCDIS;
write32(pmcbase + CPPMVRIC2, reg32);
}
pch_handle_sideband(config);
pmc_clear_pmcon_sts();
/*
* Lock chipset memory registers to protect SMM.
* When SkipMpInit=0, this is done by FSP.
*/
if (!CONFIG(USE_INTEL_FSP_MP_INIT))
cpu_lt_lock_memory();
}
static void soc_finalize(void *unused)
{
printk(BIOS_DEBUG, "Finalizing chipset.\n");
pch_finalize();
apm_control(APM_CNT_FINALIZE);
/* Indicate finalize step with post code */
post_code(POST_OS_BOOT);
}
BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, soc_finalize, NULL);
BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT, soc_finalize, NULL);
|
