diff options
Diffstat (limited to 'arch/powerpc/kexec/file_load_64.c')
| -rw-r--r-- | arch/powerpc/kexec/file_load_64.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/kexec/file_load_64.c b/arch/powerpc/kexec/file_load_64.c index c6a37ad5a0a4..53bb71e3a2e1 100644 --- a/arch/powerpc/kexec/file_load_64.c +++ b/arch/powerpc/kexec/file_load_64.c @@ -876,6 +876,7 @@ int setup_purgatory_ppc64(struct kimage *image, const void *slave_code, const void *fdt, unsigned long kernel_load_addr, unsigned long fdt_load_addr) { + struct device_node *dn = NULL; int ret; ret = setup_purgatory(image, slave_code, fdt, kernel_load_addr, @@ -903,9 +904,28 @@ int setup_purgatory_ppc64(struct kimage *image, const void *slave_code, &image->arch.backup_start, sizeof(image->arch.backup_start), false); + if (ret) + goto out; + + /* Setup OPAL base & entry values */ + dn = of_find_node_by_path("/ibm,opal"); + if (dn) { + u64 val; + + of_property_read_u64(dn, "opal-base-address", &val); + ret = kexec_purgatory_get_set_symbol(image, "opal_base", &val, + sizeof(val), false); + if (ret) + goto out; + + of_property_read_u64(dn, "opal-entry-address", &val); + ret = kexec_purgatory_get_set_symbol(image, "opal_entry", &val, + sizeof(val), false); + } out: if (ret) pr_err("Failed to setup purgatory symbols"); + of_node_put(dn); return ret; } |