diff options
Diffstat (limited to 'src/soc/intel/common/block')
-rw-r--r-- | src/soc/intel/common/block/systemagent/systemagent.c | 59 |
1 files changed, 31 insertions, 28 deletions
diff --git a/src/soc/intel/common/block/systemagent/systemagent.c b/src/soc/intel/common/block/systemagent/systemagent.c index e7230bcbf4..3da837c0af 100644 --- a/src/soc/intel/common/block/systemagent/systemagent.c +++ b/src/soc/intel/common/block/systemagent/systemagent.c @@ -41,34 +41,6 @@ __weak unsigned long sa_write_acpi_tables(const struct device *dev, } /* - * This function will get above 4GB mmio enable config specific to soc. - * - * Return values: - * 0 = Above 4GB memory is not enable - * 1 = Above 4GB memory is enable - */ -static int get_enable_above_4GB_mmio(void) -{ - const struct soc_intel_common_config *common_config; - common_config = chip_get_common_soc_structure(); - - return common_config->enable_above_4GB_mmio; -} - -/* Fill MMIO resource above 4GB into GNVS */ -void sa_fill_gnvs(global_nvs_t *gnvs) -{ - if (get_enable_above_4GB_mmio()) { - gnvs->e4gm = 1; - gnvs->a4gb = ABOVE_4GB_MEM_BASE_ADDRESS; - gnvs->a4gs = ABOVE_4GB_MEM_BASE_SIZE; - printk(BIOS_DEBUG, - "PCI space above 4GB MMIO is from 0x%llx to len = 0x%llx\n", - gnvs->a4gb, gnvs->a4gs); - } -} - -/* * Add all known fixed MMIO ranges that hang off the host bridge/memory * controller device. */ @@ -124,6 +96,37 @@ static void sa_read_map_entry(struct device *dev, *result = value; } +/* + * This function will get above 4GB mmio enable config specific to soc. + * + * Return values: + * 0 = Above 4GB memory is not enable + * 1 = Above 4GB memory is enable + */ +static int get_enable_above_4GB_mmio(void) +{ + const struct soc_intel_common_config *common_config; + common_config = chip_get_common_soc_structure(); + + return common_config->enable_above_4GB_mmio; +} + +/* Fill MMIO resource above 4GB into GNVS */ +void sa_fill_gnvs(global_nvs_t *gnvs) +{ + if (!get_enable_above_4GB_mmio()) + return; + + struct device *sa_dev = pcidev_path_on_root(SA_DEVFN_ROOT); + + gnvs->e4gm = 1; + sa_read_map_entry(sa_dev, &sa_memory_map[SA_TOUUD_REG], &gnvs->a4gb); + gnvs->a4gs = ABOVE_4GB_MEM_BASE_SIZE; + printk(BIOS_DEBUG, "PCI space above 4GB MMIO is from 0x%llx to len = 0x%llx\n", + gnvs->a4gb, gnvs->a4gs); +} + + static void sa_get_mem_map(struct device *dev, uint64_t *values) { int i; |