diff options
Diffstat (limited to 'arch/x86/cpu/quark/quark.c')
| -rw-r--r-- | arch/x86/cpu/quark/quark.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/cpu/quark/quark.c b/arch/x86/cpu/quark/quark.c index e4b19c2..4ffa437 100644 --- a/arch/x86/cpu/quark/quark.c +++ b/arch/x86/cpu/quark/quark.c @@ -72,6 +72,15 @@ static void quark_setup_bars(void) CONFIG_PCIE_ECAM_BASE | MEM_BAR_EN); } +static void quark_enable_legacy_seg(void) +{ + u32 hmisc2; + + hmisc2 = msg_port_read(MSG_PORT_HOST_BRIDGE, HMISC2); + hmisc2 |= (HMISC2_SEGE | HMISC2_SEGF | HMISC2_SEGAB); + msg_port_write(MSG_PORT_HOST_BRIDGE, HMISC2, hmisc2); +} + int arch_cpu_init(void) { struct pci_controller *hose; @@ -96,6 +105,9 @@ int arch_cpu_init(void) */ quark_setup_bars(); + /* Turn on legacy segments (A/B/E/F) decode to system RAM */ + quark_enable_legacy_seg(); + unprotect_spi_flash(); return 0; |