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Diffstat (limited to 'src/soc/intel/apollolake/bootblock/bootblock.c')
-rw-r--r--src/soc/intel/apollolake/bootblock/bootblock.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/bootblock/bootblock.c b/src/soc/intel/apollolake/bootblock/bootblock.c
index 431dd73bff..84130756ed 100644
--- a/src/soc/intel/apollolake/bootblock/bootblock.c
+++ b/src/soc/intel/apollolake/bootblock/bootblock.c
@@ -134,8 +134,25 @@ static void enable_spibar(void)
spi_init();
}
+static void enable_pmcbar(void)
+{
+ device_t pmc = PMC_DEV;
+
+ /* Set PMC base addresses and enable decoding. */
+ pci_write_config32(pmc, PCI_BASE_ADDRESS_0, PMC_BAR0);
+ pci_write_config32(pmc, PCI_BASE_ADDRESS_1, 0); /* 64-bit BAR */
+ pci_write_config32(pmc, PCI_BASE_ADDRESS_2, PMC_BAR1);
+ pci_write_config32(pmc, PCI_BASE_ADDRESS_3, 0); /* 64-bit BAR */
+ pci_write_config16(pmc, PCI_BASE_ADDRESS_4, ACPI_PMIO_BASE);
+ pci_write_config16(pmc, PCI_COMMAND,
+ PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
+ PCI_COMMAND_MASTER);
+}
+
void bootblock_soc_early_init(void)
{
+ enable_pmcbar();
+
/* Prepare UART for serial console. */
if (IS_ENABLED(CONFIG_SOC_UART_DEBUG))
soc_console_uart_init();