1/*-
2 * Copyright (c) 2011-2012 Semihalf.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/powerpc/booke/machdep_e500.c 292903 2015-12-30 03:43:25Z jhibbits $");
29
30#include <sys/cdefs.h>
31#include <sys/types.h>
32#include <sys/param.h>
33#include <sys/proc.h>
34#include <sys/reboot.h>
35
36#include <vm/vm.h>
37#include <vm/pmap.h>
38
39#include <machine/machdep.h>
40
41#include <dev/fdt/fdt_common.h>
42
43#include <powerpc/mpc85xx/mpc85xx.h>
44
45extern void dcache_enable(void);
46extern void dcache_inval(void);
47extern void icache_enable(void);
48extern void icache_inval(void);
49extern void l2cache_enable(void);
50extern void l2cache_inval(void);
51extern void bpred_enable(void);
52
53void
54booke_init_tlb(vm_paddr_t fdt_immr_pa)
55{
56
57}
58
59void

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81 }
82
83 csr = mfspr(SPR_L1CSR1);
84 if ((boothowto & RB_VERBOSE) != 0 || (csr & L1CSR1_ICE) == 0)
85 printf("L1 I-cache %sabled\n",
86 (csr & L1CSR1_ICE) ? "en" : "dis");
87}
88
89void
90booke_enable_l2_cache(void)
91{
92 uint32_t csr;
93
94 /* Enable L2 cache on E500mc */
95 if ((((mfpvr() >> 16) & 0xFFFF) == FSL_E500mc) ||
96 (((mfpvr() >> 16) & 0xFFFF) == FSL_E5500)) {

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103 csr = mfspr(SPR_L2CSR0);
104 if ((boothowto & RB_VERBOSE) != 0 || (csr & L2CSR0_L2E) == 0)
105 printf("L2 cache %sabled\n",
106 (csr & L2CSR0_L2E) ? "en" : "dis");
107 }
108}
109
110void
111booke_enable_bpred(void)
112{
113 uint32_t csr;
114
115 bpred_enable();
116 csr = mfspr(SPR_BUCSR);
117 if ((boothowto & RB_VERBOSE) != 0 || (csr & BUCSR_BPEN) == 0)
118 printf("Branch Predictor %sabled\n",
119 (csr & BUCSR_BPEN) ? "en" : "dis");
120}
121
122void
123booke_disable_l2_cache(void)
124{
125}