diff options
Diffstat (limited to 'src/mainboard/ibm/e325/failover.c')
-rw-r--r-- | src/mainboard/ibm/e325/failover.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/mainboard/ibm/e325/failover.c b/src/mainboard/ibm/e325/failover.c new file mode 100644 index 0000000000..b22abfea06 --- /dev/null +++ b/src/mainboard/ibm/e325/failover.c @@ -0,0 +1,80 @@ +#define ASSEMBLY 1 +#include <stdint.h> +#include <device/pci_def.h> +#include <device/pci_ids.h> +#include <arch/io.h> +#include <arch/romcc_io.h> +#include <arch/smp/lapic.h> +#include "pc80/mc146818rtc_early.c" +#include "southbridge/amd/amd8111/amd8111_enable_rom.c" +#include "northbridge/amd/amdk8/early_ht.c" +#include "cpu/p6/boot_cpu.c" +#include "northbridge/amd/amdk8/reset_test.c" + +#define HAVE_REGPARM_SUPPORT 0 +#if HAVE_REGPARM_SUPPORT +static unsigned long main(unsigned long bist) +{ +#else +static void main(void) +{ + unsigned long bist = 0; +#endif + /* Make cerain my local apic is useable */ + enable_lapic(); + + /* Is this a cpu only reset? */ + if (cpu_init_detected()) { + if (last_boot_normal()) { + goto normal_image; + } else { + goto cpu_reset; + } + } + /* Is this a secondary cpu? */ + if (!boot_cpu()) { + if (last_boot_normal()) { + goto normal_image; + } else { + goto fallback_image; + } + } + + + /* Nothing special needs to be done to find bus 0 */ + /* Allow the HT devices to be found */ + enumerate_ht_chain(); + + /* Setup the 8111 */ + amd8111_enable_rom(); + + /* Is this a deliberate reset by the bios */ + if (bios_reset_detected() && last_boot_normal()) { + goto normal_image; + } + /* This is the primary cpu how should I boot? */ + else if (do_normal_boot()) { + goto normal_image; + } + else { + goto fallback_image; + } + normal_image: + asm("jmp __normal_image" + : /* outputs */ + : "a" (bist) /* inputs */ + : /* clobbers */ + ); + cpu_reset: + asm("jmp __cpu_reset" + : /* outputs */ + : "a"(bist) /* inputs */ + : /* clobbers */ + ); + fallback_image: +#if HAVE_REGPARM_SUPPORT + return bist; +#else + return; +#endif +} |