diff options
| author | Dustin Harrison <dustin.harrison@sutus.com> | 2011-05-12 18:29:49 +0200 |
|---|---|---|
| committer | Noe Rubinstein <nrubinstein@proformatique.com> | 2011-06-23 10:38:59 +0200 |
| commit | 07186a9f5375ec026350a97d9df35391b8120228 (patch) | |
| tree | c2c9fd2bd4965563af7982021240d49ec9c075ed | |
| parent | 88aae1ccf13fb79b8aa4b40a4ea3241057ccbe27 (diff) | |
Prevent hang on reboot by catching a soft reboot and then send a hard reboot.
Without this patch, issuing 'shutdown -r now' from a linux command line causes
the BIOS to hang during resource allocation while reading resources.
Signed-off-by: Dustin Harrison <dustin.harrison@sutus.com>
---
| -rw-r--r-- | src/mainboard/intel/truxton/romstage.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/mainboard/intel/truxton/romstage.c b/src/mainboard/intel/truxton/romstage.c index b13ffc17c..c836b9c76 100644 --- a/src/mainboard/intel/truxton/romstage.c +++ b/src/mainboard/intel/truxton/romstage.c @@ -118,8 +118,18 @@ static void main(unsigned long bist) if (bist == 0) { /* Skip this if there was a built in self test failure */ early_mtrr_init(); - if (memory_initialized()) - skip_romstage(); + if (memory_initialized()) { + /* Reboot doesn't work right now, so if we're rebooting + * force a HARD reboot by using the 0xe into CF9h + */ + printk(BIOS_INFO, "Detected soft reboot: Issuing HARD reboot.\n"); + outb(0xe, 0xCF9); + udelay(1); + printk(BIOS_INFO, "HARD reboot slow to respond! Re-issue HARD Reboot!\n"); + outb(0xe, 0xCF9); + printk(BIOS_ERR, "Reboot failed!\n"); + for (;;) asm("hlt"); + } } /* Set up the console */ |