diff options
Diffstat (limited to 'src/soc/intel/baytrail/romstage/raminit.c')
| -rw-r--r-- | src/soc/intel/baytrail/romstage/raminit.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/soc/intel/baytrail/romstage/raminit.c b/src/soc/intel/baytrail/romstage/raminit.c index 62f8e42134..c21a0c4acb 100644 --- a/src/soc/intel/baytrail/romstage/raminit.c +++ b/src/soc/intel/baytrail/romstage/raminit.c @@ -22,6 +22,7 @@ #include <console/console.h> #include <device/pci_def.h> #include <device/pci_ops.h> +#include <device/smbus_host.h> #include <mrc_cache.h> #include <soc/gpio.h> #include <soc/iomap.h> @@ -32,13 +33,18 @@ #include <ec/google/chromeec/ec_commands.h> #include <security/vboot/vboot_common.h> -static void enable_smbus(void) +uintptr_t smbus_base(void) +{ + return SMBUS_BASE_ADDRESS; +} + +int smbus_enable_iobar(uintptr_t base) { uint32_t reg; const uint32_t smbus_dev = PCI_DEV(0, SMBUS_DEV, SMBUS_FUNC); /* SMBus I/O BAR */ - reg = SMBUS_BASE_ADDRESS | 2; + reg = base | 2; pci_write_config32(smbus_dev, PCI_BASE_ADDRESS_4, reg); /* Enable decode of I/O space. */ reg = pci_read_config16(smbus_dev, PCI_COMMAND); @@ -52,6 +58,8 @@ static void enable_smbus(void) /* Configure pads to be used for SMBus */ score_select_func(PCU_SMB_CLK_PAD, 1); score_select_func(PCU_SMB_DATA_PAD, 1); + + return 0; } static void ABI_X86 send_to_console(unsigned char b) |