powerpc/mpc85xx: Rewrite spin table to comply with ePAPR v1.1

[karo-tx-uboot.git] / README

diff --git a/README b/README
index df4aed14e4ed35f6e0d6f7a448b15b0c8240a164..4dad1594eb17a8678e4db4d5c31f6782fa5825a3 100644 (file)
--- a/README
+++ b/README
@@ -363,6 +363,12 @@ The following options need to be configured:
                ICache only when Code runs from RAM.
 
 - 85xx CPU Options:
+               CONFIG_SYS_PPC64
+
+               Specifies that the core is a 64-bit PowerPC implementation (implements
+               the "64" category of the Power ISA). This is necessary for ePAPR
+               compliance, among other possible reasons.
+
                CONFIG_SYS_FSL_TBCLK_DIV
 
                Defines the core time base clock divider ratio compared to the