diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/alderlake/include/soc/systemagent.h | 9 | ||||
| -rw-r--r-- | src/soc/intel/alderlake/systemagent.c | 121 |
2 files changed, 4 insertions, 126 deletions
diff --git a/src/soc/intel/alderlake/include/soc/systemagent.h b/src/soc/intel/alderlake/include/soc/systemagent.h index b7a2957c18..5d7f0d5171 100644 --- a/src/soc/intel/alderlake/include/soc/systemagent.h +++ b/src/soc/intel/alderlake/include/soc/systemagent.h @@ -64,15 +64,6 @@ static const struct sa_mmio_descriptor soc_vtd_resources[] = { #define LT_SECURITY_SIZE (128 * KiB) #define APIC_SIZE (1 * MiB) -#define MASK_PCIEXBAR_LENGTH 0xE /* bits [3:1] */ -#define PCIEXBAR_LENGTH_LSB 1 /* used to shift right */ -#define MASK_DSM_LENGTH 0xFF00 /* bits [15:8] */ -#define MASK_DSM_LENGTH_LSB 8 /* used to shift right */ -#define MASK_GSM_LENGTH 0xC0 /* bits [7:6] */ -#define MASK_GSM_LENGTH_LSB 6 /* used to shift right */ -#define MASK_DPR_LENGTH 0xFF0 /* bits [11:4] */ -#define MASK_DPR_LENGTH_LSB 4 /* used to shift right */ - uint64_t get_mmcfg_size(const struct device *dev); uint64_t get_dsm_size(const struct device *dev); uint64_t get_gsm_size(const struct device *dev); diff --git a/src/soc/intel/alderlake/systemagent.c b/src/soc/intel/alderlake/systemagent.c index ecd704e569..3df23f283d 100644 --- a/src/soc/intel/alderlake/systemagent.c +++ b/src/soc/intel/alderlake/systemagent.c @@ -103,13 +103,13 @@ void soc_add_configurable_mmio_resources(struct device *dev, int *resource_cnt) struct sa_mmio_descriptor cfg_rsrc[6]; /* Increase size when adding more resources */ /* MMCONF */ - size = get_mmcfg_size(dev); + size = sa_get_mmcfg_size(); if (size > 0) set_mmio_resource(&(cfg_rsrc[count++]), CONFIG_ECAM_MMCONF_BASE_ADDRESS, size, "MMCONF"); /* DSM */ - size = get_dsm_size(dev); + size = sa_get_dsm_size(); if (size > 0) { base = pci_read_config32(dev, BDSM) & 0xFFF00000; set_mmio_resource(&(cfg_rsrc[count++]), base, size, "DSM"); @@ -134,14 +134,14 @@ void soc_add_configurable_mmio_resources(struct device *dev, int *resource_cnt) } /* GSM */ - size = get_gsm_size(dev); + size = sa_get_gsm_size(); if (size > 0) { base = sa_get_gsm_base(); set_mmio_resource(&(cfg_rsrc[count++]), base, size, "GSM"); } /* DPR */ - size = get_dpr_size(dev); + size = sa_get_dpr_size(); if (size > 0) { /* DPR just below TSEG: */ base = tseg_base - size; @@ -208,116 +208,3 @@ uint32_t soc_systemagent_max_chan_capacity_mib(u8 capid0_a_ddrsz) return 65536; } } - -uint64_t get_mmcfg_size(const struct device *dev) -{ - uint32_t pciexbar_reg; - uint64_t mmcfg_length; - - if (!dev) { - printk(BIOS_DEBUG, "%s : device is null\n", __func__); - return 0; - } - - pciexbar_reg = pci_read_config32(dev, PCIEXBAR); - - if (!(pciexbar_reg & (1 << 0))) { - printk(BIOS_DEBUG, "%s : PCIEXBAR disabled\n", __func__); - return 0; - } - - switch ((pciexbar_reg & MASK_PCIEXBAR_LENGTH) >> PCIEXBAR_LENGTH_LSB) { - case PCIEXBAR_LENGTH_4096MB: - mmcfg_length = 4 * ((uint64_t)GiB); - break; - case PCIEXBAR_LENGTH_2048MB: - mmcfg_length = 2 * ((uint64_t)GiB); - break; - case PCIEXBAR_LENGTH_1024MB: - mmcfg_length = 1 * GiB; - break; - case PCIEXBAR_LENGTH_512MB: - mmcfg_length = 512 * MiB; - break; - case PCIEXBAR_LENGTH_256MB: - mmcfg_length = 256 * MiB; - break; - case PCIEXBAR_LENGTH_128MB: - mmcfg_length = 128 * MiB; - break; - case PCIEXBAR_LENGTH_64MB: - mmcfg_length = 64 * MiB; - break; - default: - printk(BIOS_DEBUG, "%s : PCIEXBAR - invalid length (0x%x)\n", __func__, - pciexbar_reg & MASK_PCIEXBAR_LENGTH); - mmcfg_length = 0x0; - break; - } - - return mmcfg_length; -} - -uint64_t get_dsm_size(const struct device *dev) -{ - // - size : B0/D0/F0:R 50h [15:8] - uint32_t reg32 = pci_read_config32(dev, GGC); - uint64_t size; - uint32_t size_field = (reg32 & MASK_DSM_LENGTH) >> MASK_DSM_LENGTH_LSB; - if (size_field <= 0x10) { // 0x0 - 0x10 - size = size_field * 32 * MiB; - } else if ((size_field >= 0xF0) && (size_field >= 0xFE)) { - size = ((uint64_t)size_field - 0xEF) * 4 * MiB; - } else { - switch (size_field) { - case 0x20: - size = 1 * GiB; - break; - case 0x30: - size = 1536 * MiB; - break; - case 0x40: - size = 2 * (uint64_t)GiB; - break; - default: - printk(BIOS_DEBUG, "%s : DSM - invalid length (0x%x)\n", - __func__, size_field); - size = 0x0; - break; - } - } - return size; -} - -uint64_t get_gsm_size(const struct device *dev) -{ - const u32 gsm_size = pci_read_config32(dev, GGC); - uint64_t size; - uint32_t size_field = (gsm_size & MASK_GSM_LENGTH) >> MASK_GSM_LENGTH_LSB; - switch (size_field) { - case 0x0: - size = 0; - break; - case 0x1: - size = 2 * MiB; - break; - case 0x2: - size = 4 * MiB; - break; - case 0x3: - size = 8 * MiB; - break; - default: - size = 0; - break; - } - return size; -} -uint64_t get_dpr_size(const struct device *dev) -{ - uint64_t size; - uint32_t dpr_reg = pci_read_config32(dev, DPR); - uint32_t size_field = (dpr_reg & MASK_DPR_LENGTH) >> MASK_DPR_LENGTH_LSB; - size = (uint64_t)size_field * MiB; - return size; -} |