diff options
| -rw-r--r-- | src/soc/intel/skylake/bootblock/cpu.c | 18 | ||||
| -rw-r--r-- | src/soc/intel/skylake/bootblock/pch.c | 22 |
2 files changed, 23 insertions, 17 deletions
diff --git a/src/soc/intel/skylake/bootblock/cpu.c b/src/soc/intel/skylake/bootblock/cpu.c index 6fc4d92662..d713974358 100644 --- a/src/soc/intel/skylake/bootblock/cpu.c +++ b/src/soc/intel/skylake/bootblock/cpu.c @@ -74,25 +74,9 @@ static void bootblock_mdelay(int ms) static void set_pch_cpu_strap(u8 flex_ratio) { - device_t dev = PCH_DEV_SPI; uint8_t *spibar = (void *)SPI_BASE_ADDRESS; u32 ssl, ssms, soft_reset_data; - u8 pcireg; - - /* Assign Resources to SPI Controller */ - /* Clear BIT 1-2 SPI Command Register */ - pcireg = pci_read_config8(dev, PCI_COMMAND); - pcireg &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY); - pci_write_config8(dev, PCI_COMMAND, pcireg); - - /* Program Temporary BAR for SPI */ - pci_write_config32(dev, PCI_BASE_ADDRESS_0, - SPI_BASE_ADDRESS | PCI_BASE_ADDRESS_SPACE_MEMORY); - - /* Enable Bus Master and MMIO Space */ - pcireg = pci_read_config8(dev, PCI_COMMAND); - pcireg |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; - pci_write_config8(dev, PCI_COMMAND, pcireg); + /* Set Strap Lock Disable */ ssl = read32(spibar + SPIBAR_RESET_LOCK); diff --git a/src/soc/intel/skylake/bootblock/pch.c b/src/soc/intel/skylake/bootblock/pch.c index 1bde80254e..94ed844d3b 100644 --- a/src/soc/intel/skylake/bootblock/pch.c +++ b/src/soc/intel/skylake/bootblock/pch.c @@ -30,7 +30,29 @@ static void enable_spi_prefetch(void) pci_write_config8(PCH_DEV_SPI, 0xdc, reg8); } +static void enable_spibar(void) +{ + device_t dev = PCH_DEV_SPI; + u8 pcireg; + + /* Assign Resources to SPI Controller */ + /* Clear BIT 1-2 SPI Command Register */ + pcireg = pci_read_config8(dev, PCI_COMMAND); + pcireg &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY); + pci_write_config8(dev, PCI_COMMAND, pcireg); + + /* Program Temporary BAR for SPI */ + pci_write_config32(dev, PCI_BASE_ADDRESS_0, + SPI_BASE_ADDRESS | PCI_BASE_ADDRESS_SPACE_MEMORY); + + /* Enable Bus Master and MMIO Space */ + pcireg = pci_read_config8(dev, PCI_COMMAND); + pcireg |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + pci_write_config8(dev, PCI_COMMAND, pcireg); +} + static void bootblock_southbridge_init(void) { + enable_spibar(); enable_spi_prefetch(); } |