1/*
2 * Copyright (c) 2010 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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57 Addr daddr = pkt->getAddr() - pioAddr;
58 pkt->allocate();
59
60 switch(daddr) {
61 case Control:
62 pkt->set(1); // SCU already enabled
63 break;
64 case Config:
65 assert(sys->numContexts() <= 4);
66 int smp_bits, core_cnt;
67 smp_bits = power(2,sys->numContexts()) - 1;
68 core_cnt = sys->numContexts() - 1;
69 pkt->set(smp_bits << 4 | core_cnt);
70 break;
71 default:
72 // Only configuration register is implemented
73 panic("Tried to read SCU at offset %#x\n", daddr);

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