diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/asrock/e350m1/romstage.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/src/mainboard/asrock/e350m1/romstage.c b/src/mainboard/asrock/e350m1/romstage.c index 61de9f6ee8..29df530279 100644 --- a/src/mainboard/asrock/e350m1/romstage.c +++ b/src/mainboard/asrock/e350m1/romstage.c @@ -55,6 +55,21 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) // all cores: set pstate 0 (1600 MHz) early to save a few ms of boot time __writemsr(0xc0010062, 0); + if (boot_cpu()) { + u8 reg8; + // SB800: Program AcpiMmioEn to enable MMIO access to MiscCntrl register + outb(0x24, 0xCD6); + reg8 = inb(0xCD7); + reg8 |= 1; + reg8 &= ~(1 << 1); + outb(0x24, 0xCD6); + outb(reg8, 0xCD7); + + // Program SB800 MiscCntrl + *(volatile u32 *)(0xFED80000 + 0xE00 + 0x40) &= ~((1 << 0) | (1 << 2)); /* 48Mhz */ + *(volatile u32 *)(0xFED80000 + 0xE00 + 0x40) |= 1 << 1; /* 48Mhz */ + } + if (!cpu_init_detectedx && boot_cpu()) { post_code(0x30); sb_poweron_init(); @@ -63,17 +78,6 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); console_init(); } - //reg8 = pmio_read(0x24); - outb(0x24, 0xCD6); - reg8 = inb(0xCD7); - reg8 |= 1; - reg8 &= ~(1 << 1); - //pmio_write(0x24, reg8); - outb(0x24, 0xCD6); - outb(reg8, 0xCD7); - - *(volatile u32 *)(0xFED80000 + 0xE00 + 0x40) &= ~((1 << 0) | (1 << 2)); /* 48Mhz */ - *(volatile u32 *)(0xFED80000 + 0xE00 + 0x40) |= 1 << 1; /* 48Mhz */ /* Halt if there was a built in self test failure */ post_code(0x34); |