diff options
| author | Scott Duplichan <scott@notabs.org> | 2011-06-21 20:05:19 -0500 |
|---|---|---|
| committer | Marc Jones <marcj303@gmail.com> | 2011-06-22 06:46:14 +0200 |
| commit | 3c74a2ab2c0d3a454a1b46242cf99ce133d19dc9 (patch) | |
| tree | 29884e86020158b4bf0977d1a5420f8ed7a2df1c /src | |
| parent | d367b00c5b2f05644e3fae41d4d560720e58cc38 (diff) | |
Move SB800 clock init earlier
Committing Scott's e350m1 changes (svn r6585):
Move SB800 clock init earlier,
Fixes problem where initial serial port output is garbled.
Change-Id: If05aa37726b962e8994ee69bf1882fcfae56aa19
Signed-off-by: Scott Duplichan <scott@notabs.org>
Signed-off-by: Marshall Buschman <mbuschman@lucidmachines.com>
Reviewed-on: http://review.coreboot.org/32
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>
Diffstat (limited to 'src')
| -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); |