diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/fsp_broadwell_de/include/soc/lpc.h | 4 | ||||
| -rw-r--r-- | src/soc/intel/fsp_broadwell_de/romstage/romstage.c | 7 |
2 files changed, 10 insertions, 1 deletions
diff --git a/src/soc/intel/fsp_broadwell_de/include/soc/lpc.h b/src/soc/intel/fsp_broadwell_de/include/soc/lpc.h index 2c02ebdf47..0408f7f640 100644 --- a/src/soc/intel/fsp_broadwell_de/include/soc/lpc.h +++ b/src/soc/intel/fsp_broadwell_de/include/soc/lpc.h @@ -21,6 +21,8 @@ #define REVID 0x08 #define PIRQ_RCR1 0x60 #define PIRQ_RCR2 0x68 +#define LPC_IO_DEC 0x80 +#define LPC_EN 0x82 #define GEN_PMCON_1 0xA0 #define GEN_PMCON_2 0xA2 #define GEN_PMCON_3 0xA4 @@ -83,4 +85,4 @@ #define TCO_TMR_HALT (1 << 11) #define TCO_TMR 0x70 -#endif /* _SOC_LPC_H_ */
\ No newline at end of file +#endif /* _SOC_LPC_H_ */ diff --git a/src/soc/intel/fsp_broadwell_de/romstage/romstage.c b/src/soc/intel/fsp_broadwell_de/romstage/romstage.c index 91c2532af0..309a672710 100644 --- a/src/soc/intel/fsp_broadwell_de/romstage/romstage.c +++ b/src/soc/intel/fsp_broadwell_de/romstage/romstage.c @@ -48,6 +48,13 @@ static void init_rtc(void) void *asmlinkage main(FSP_INFO_HEADER *fsp_info_header) { post_code(0x40); + if (!IS_ENABLED(CONFIG_INTEGRATED_UART)) { + /* Enable decoding of I/O locations for Super I/O devices */ + pci_write_config16(PCI_DEV(0x0, LPC_DEV, LPC_FUNC), + LPC_IO_DEC, 0x0010); + pci_write_config16(PCI_DEV(0x0, LPC_DEV, LPC_FUNC), + LPC_EN, 0x340f); + } console_init(); init_rtc(); |