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-rw-r--r--src/soc/intel/alderlake/chip.h32
-rw-r--r--src/soc/intel/alderlake/fsp_params.c20
-rw-r--r--src/soc/intel/alderlake/romstage/fsp_params.c82
3 files changed, 75 insertions, 59 deletions
diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h
index 0f932ce132..13e77cf534 100644
--- a/src/soc/intel/alderlake/chip.h
+++ b/src/soc/intel/alderlake/chip.h
@@ -19,10 +19,6 @@
#define MAX_HD_AUDIO_SNDW_LINKS 4
#define MAX_HD_AUDIO_SSP_LINKS 6
-#define PCIE_CLK_NOTUSED 0xFF
-#define PCIE_CLK_LAN 0x70
-#define PCIE_CLK_FREE 0x80
-
struct soc_intel_alderlake_config {
/* Common struct containing soc config data required by common code */
@@ -122,31 +118,9 @@ struct soc_intel_alderlake_config {
uint8_t PchHdaIDispLinkFrequency;
uint8_t PchHdaIDispCodecDisconnect;
- /* CPU PCIe Root Ports */
- uint8_t CpuPcieRpEnable[CONFIG_MAX_CPU_ROOT_PORTS];
-
- /* PCH PCIe Root Ports */
- uint8_t PchPcieRpEnable[CONFIG_MAX_PCH_ROOT_PORTS];
- uint8_t PcieRpHotPlug[CONFIG_MAX_PCH_ROOT_PORTS];
- /* PCIe output clocks type to PCIe devices.
- * 0-23: PCH rootport, 0x70: LAN, 0x80: unspecified but in use,
- * 0xFF: not used */
- uint8_t PcieClkSrcUsage[CONFIG_MAX_PCIE_CLOCK_SRC];
- /* PCIe ClkReq-to-ClkSrc mapping, number of clkreq signal assigned to
- * clksrc. */
- uint8_t PcieClkSrcClkReq[CONFIG_MAX_PCIE_CLOCK_REQ];
-
- /* Probe CLKREQ# signal before enabling CLKREQ# based power management.*/
- uint8_t PcieRpClkReqDetect[CONFIG_MAX_PCH_ROOT_PORTS];
-
- /* PCIe RP L1 substate */
- enum L1_substates_control PcieRpL1Substates[CONFIG_MAX_PCH_ROOT_PORTS];
-
- /* PCIe LTR: Enable (1) / Disable (0) */
- uint8_t PcieRpLtrEnable[CONFIG_MAX_PCH_ROOT_PORTS];
-
- /* PCIE RP Advanced Error Report: Enable (1) / Disable (0) */
- uint8_t PcieRpAdvancedErrorReporting[CONFIG_MAX_PCH_ROOT_PORTS];
+ struct pcie_rp_config pch_pcie_rp[CONFIG_MAX_PCH_ROOT_PORTS];
+ struct pcie_rp_config cpu_pcie_rp[CONFIG_MAX_CPU_ROOT_PORTS];
+ uint8_t pcie_clk_config_flag[CONFIG_MAX_PCIE_CLOCK_SRC];
/* Gfx related */
enum {
diff --git a/src/soc/intel/alderlake/fsp_params.c b/src/soc/intel/alderlake/fsp_params.c
index 35f7a3c2e2..6e6f1af94f 100644
--- a/src/soc/intel/alderlake/fsp_params.c
+++ b/src/soc/intel/alderlake/fsp_params.c
@@ -15,6 +15,7 @@
#include <soc/gpio_soc_defs.h>
#include <soc/intel/common/vbt.h>
#include <soc/pci_devs.h>
+#include <soc/pcie.h>
#include <soc/ramstage.h>
#include <soc/soc_chip.h>
#include <string.h>
@@ -93,6 +94,7 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
const struct microcode *microcode_file;
size_t microcode_len;
FSP_S_CONFIG *params = &supd->FspsConfig;
+ uint32_t enable_mask;
struct device *dev;
struct soc_intel_alderlake_config *config;
@@ -270,19 +272,19 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
/* Enable Hybrid storage auto detection */
params->HybridStorageMode = config->HybridStorageMode;
+ enable_mask = pcie_rp_enable_mask(get_pch_pcie_rp_table());
for (i = 0; i < CONFIG_MAX_PCH_ROOT_PORTS; i++) {
+ if (!(enable_mask & BIT(i)))
+ continue;
+ const struct pcie_rp_config *rp_cfg = &config->pch_pcie_rp[i];
params->PcieRpL1Substates[i] =
- get_l1_substate_control(config->PcieRpL1Substates[i]);
- params->PcieRpLtrEnable[i] = config->PcieRpLtrEnable[i];
- params->PcieRpAdvancedErrorReporting[i] =
- config->PcieRpAdvancedErrorReporting[i];
- params->PcieRpHotPlug[i] = config->PcieRpHotPlug[i];
+ get_l1_substate_control(rp_cfg->PcieRpL1Substates);
+ params->PcieRpLtrEnable[i] = !!(rp_cfg->flags & PCIE_RP_LTR);
+ params->PcieRpAdvancedErrorReporting[i] = !!(rp_cfg->flags & PCIE_RP_AER);
+ params->PcieRpHotPlug[i] = !!(rp_cfg->flags & PCIE_RP_HOTPLUG);
+ params->PcieRpClkReqDetect[i] = !!(rp_cfg->flags & PCIE_RP_CLK_REQ_DETECT);
}
- /* Enable ClkReqDetect for enabled port */
- memcpy(params->PcieRpClkReqDetect, config->PcieRpClkReqDetect,
- sizeof(config->PcieRpClkReqDetect));
-
params->PmSupport = 1;
params->Hwp = 1;
params->Cx = 1;
diff --git a/src/soc/intel/alderlake/romstage/fsp_params.c b/src/soc/intel/alderlake/romstage/fsp_params.c
index 0154cb4848..385246734e 100644
--- a/src/soc/intel/alderlake/romstage/fsp_params.c
+++ b/src/soc/intel/alderlake/romstage/fsp_params.c
@@ -7,20 +7,58 @@
#include <fsp/util.h>
#include <intelblocks/cpulib.h>
#include <intelblocks/mp_init.h>
+#include <intelblocks/pcie_rp.h>
#include <soc/gpio_soc_defs.h>
#include <soc/iomap.h>
#include <soc/msr.h>
#include <soc/pci_devs.h>
+#include <soc/pcie.h>
#include <soc/romstage.h>
#include <soc/soc_chip.h>
#include <string.h>
+#define FSP_CLK_NOTUSED 0xFF
+#define FSP_CLK_LAN 0x70
+#define FSP_CLK_FREE_RUNNING 0x80
+
+#define CPU_PCIE_BASE 0x40
+
+enum pcie_rp_type {
+ PCH_PCIE_RP,
+ CPU_PCIE_RP,
+};
+
+static uint8_t clk_src_to_fsp(enum pcie_rp_type type, int rp_number)
+{
+ assert(type == PCH_PCIE_RP || type == CPU_PCIE_RP);
+
+ if (type == PCH_PCIE_RP)
+ return rp_number;
+ else // type == CPU_PCIE_RP
+ return CPU_PCIE_BASE + rp_number;
+}
+
+static void pcie_rp_init(FSP_M_CONFIG *m_cfg, uint32_t en_mask, enum pcie_rp_type type,
+ const struct pcie_rp_config *cfg, size_t cfg_count)
+{
+ size_t i;
+
+ for (i = 0; i < cfg_count; i++) {
+ if (!(en_mask & BIT(i)))
+ continue;
+ if (cfg[i].flags & PCIE_RP_CLK_SRC_UNUSED)
+ continue;
+ if (!(cfg[i].flags & PCIE_RP_CLK_REQ_UNUSED))
+ m_cfg->PcieClkSrcClkReq[cfg[i].clk_src] = cfg[i].clk_req;
+ m_cfg->PcieClkSrcUsage[cfg[i].clk_src] = clk_src_to_fsp(type, i);
+ }
+}
+
static void soc_memory_init_params(FSP_M_CONFIG *m_cfg,
const struct soc_intel_alderlake_config *config)
{
- unsigned int i;
- uint32_t mask = 0;
const struct device *dev;
+ unsigned int i;
dev = pcidev_path_on_root(SA_DEVFN_IGD);
if (!CONFIG(SOC_INTEL_DISABLE_IGD) && is_dev_enabled(dev))
@@ -42,18 +80,6 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg,
/* Set CpuRatio to match existing MSR value */
m_cfg->CpuRatio = (rdmsr(MSR_FLEX_RATIO).lo >> 8) & 0xff;
- for (i = 0; i < ARRAY_SIZE(config->PchPcieRpEnable); i++) {
- if (config->PchPcieRpEnable[i])
- mask |= (1 << i);
- }
- m_cfg->PcieRpEnableMask = mask;
-
- memcpy(m_cfg->PcieClkSrcUsage, config->PcieClkSrcUsage,
- sizeof(config->PcieClkSrcUsage));
-
- memcpy(m_cfg->PcieClkSrcClkReq, config->PcieClkSrcClkReq,
- sizeof(config->PcieClkSrcClkReq));
-
m_cfg->PrmrrSize = get_valid_prmrr_size();
m_cfg->EnableC6Dram = config->enable_c6dram;
/* Disable BIOS Guard */
@@ -116,6 +142,27 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg,
m_cfg->PchHdaIDispLinkFrequency = config->PchHdaIDispLinkFrequency;
m_cfg->PchHdaIDispCodecDisconnect = config->PchHdaIDispCodecDisconnect;
+ /* Disable all PCIe clock sources by default. And set RP irrelevant clock. */
+ for (i = 0; i < CONFIG_MAX_PCIE_CLOCK_SRC; i++) {
+ if (config->pcie_clk_config_flag[i] & PCIE_CLK_FREE_RUNNING)
+ m_cfg->PcieClkSrcUsage[i] = FSP_CLK_FREE_RUNNING;
+ else if (config->pcie_clk_config_flag[i] & PCIE_CLK_LAN)
+ m_cfg->PcieClkSrcUsage[i] = FSP_CLK_LAN;
+ else
+ m_cfg->PcieClkSrcUsage[i] = FSP_CLK_NOTUSED;
+ m_cfg->PcieClkSrcClkReq[i] = FSP_CLK_NOTUSED;
+ }
+
+ /* PCIE ports */
+ m_cfg->PcieRpEnableMask = pcie_rp_enable_mask(get_pch_pcie_rp_table());
+ pcie_rp_init(m_cfg, m_cfg->PcieRpEnableMask, PCH_PCIE_RP, config->pch_pcie_rp,
+ CONFIG_MAX_PCH_ROOT_PORTS);
+
+ /* CPU PCIE ports */
+ m_cfg->CpuPcieRpEnableMask = pcie_rp_enable_mask(get_cpu_pcie_rp_table());
+ pcie_rp_init(m_cfg, m_cfg->CpuPcieRpEnableMask, CPU_PCIE_RP, config->cpu_pcie_rp,
+ CONFIG_MAX_CPU_ROOT_PORTS);
+
/* ISH */
dev = pcidev_path_on_root(PCH_DEVFN_ISH);
m_cfg->PchIshEnable = is_dev_enabled(dev);
@@ -156,13 +203,6 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg,
/* Skip CPU replacement check */
m_cfg->SkipCpuReplacementCheck = !config->CpuReplacementCheck;
- mask = 0;
- for (i = 0; i < ARRAY_SIZE(config->CpuPcieRpEnable); i++) {
- if (config->CpuPcieRpEnable[i])
- mask |= (1 << i);
- }
- m_cfg->CpuPcieRpEnableMask = mask;
-
m_cfg->TmeEnable = CONFIG(INTEL_TME);
/* Skip GPIO configuration from FSP */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-28 15:00:11 +0000