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-rw-r--r--arch/blackfin/kernel/cplb-mpu/cplbinit.c48
1 files changed, 27 insertions, 21 deletions
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinit.c b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
index 55af729f8495..bdb958486e76 100644
--- a/arch/blackfin/kernel/cplb-mpu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
@@ -25,18 +25,19 @@
25#include <asm/blackfin.h> 25#include <asm/blackfin.h>
26#include <asm/cplb.h> 26#include <asm/cplb.h>
27#include <asm/cplbinit.h> 27#include <asm/cplbinit.h>
28#include <asm/mem_map.h>
28 29
29#if ANOMALY_05000263 30#if ANOMALY_05000263
30# error the MPU will not function safely while Anomaly 05000263 applies 31# error the MPU will not function safely while Anomaly 05000263 applies
31#endif 32#endif
32 33
33struct cplb_entry icplb_tbl[MAX_CPLBS]; 34struct cplb_entry icplb_tbl[NR_CPUS][MAX_CPLBS];
34struct cplb_entry dcplb_tbl[MAX_CPLBS]; 35struct cplb_entry dcplb_tbl[NR_CPUS][MAX_CPLBS];
35 36
36int first_switched_icplb, first_switched_dcplb; 37int first_switched_icplb, first_switched_dcplb;
37int first_mask_dcplb; 38int first_mask_dcplb;
38 39
39void __init generate_cplb_tables(void) 40void __init generate_cplb_tables_cpu(unsigned int cpu)
40{ 41{
41 int i_d, i_i; 42 int i_d, i_i;
42 unsigned long addr; 43 unsigned long addr;
@@ -55,15 +56,16 @@ void __init generate_cplb_tables(void)
55 d_cache |= CPLB_L1_AOW | CPLB_WT; 56 d_cache |= CPLB_L1_AOW | CPLB_WT;
56#endif 57#endif
57#endif 58#endif
59
58 i_d = i_i = 0; 60 i_d = i_i = 0;
59 61
60 /* Set up the zero page. */ 62 /* Set up the zero page. */
61 dcplb_tbl[i_d].addr = 0; 63 dcplb_tbl[cpu][i_d].addr = 0;
62 dcplb_tbl[i_d++].data = SDRAM_OOPS | PAGE_SIZE_1KB; 64 dcplb_tbl[cpu][i_d++].data = SDRAM_OOPS | PAGE_SIZE_1KB;
63 65
64#if 0 66#if 0
65 icplb_tbl[i_i].addr = 0; 67 icplb_tbl[cpu][i_i].addr = 0;
66 icplb_tbl[i_i++].data = i_cache | CPLB_USER_RD | PAGE_SIZE_4KB; 68 icplb_tbl[cpu][i_i++].data = i_cache | CPLB_USER_RD | PAGE_SIZE_4KB;
67#endif 69#endif
68 70
69 /* Cover kernel memory with 4M pages. */ 71 /* Cover kernel memory with 4M pages. */
@@ -72,28 +74,28 @@ void __init generate_cplb_tables(void)
72 i_data = i_cache | CPLB_VALID | CPLB_PORTPRIO | PAGE_SIZE_4MB; 74 i_data = i_cache | CPLB_VALID | CPLB_PORTPRIO | PAGE_SIZE_4MB;
73 75
74 for (; addr < memory_start; addr += 4 * 1024 * 1024) { 76 for (; addr < memory_start; addr += 4 * 1024 * 1024) {
75 dcplb_tbl[i_d].addr = addr; 77 dcplb_tbl[cpu][i_d].addr = addr;
76 dcplb_tbl[i_d++].data = d_data; 78 dcplb_tbl[cpu][i_d++].data = d_data;
77 icplb_tbl[i_i].addr = addr; 79 icplb_tbl[cpu][i_i].addr = addr;
78 icplb_tbl[i_i++].data = i_data | (addr == 0 ? CPLB_USER_RD : 0); 80 icplb_tbl[cpu][i_i++].data = i_data | (addr == 0 ? CPLB_USER_RD : 0);
79 } 81 }
80 82
81 /* Cover L1 memory. One 4M area for code and data each is enough. */ 83 /* Cover L1 memory. One 4M area for code and data each is enough. */
82#if L1_DATA_A_LENGTH > 0 || L1_DATA_B_LENGTH > 0 84#if L1_DATA_A_LENGTH > 0 || L1_DATA_B_LENGTH > 0
83 dcplb_tbl[i_d].addr = L1_DATA_A_START; 85 dcplb_tbl[cpu][i_d].addr = get_l1_data_a_start_cpu(cpu);
84 dcplb_tbl[i_d++].data = L1_DMEMORY | PAGE_SIZE_4MB; 86 dcplb_tbl[cpu][i_d++].data = L1_DMEMORY | PAGE_SIZE_4MB;
85#endif 87#endif
86#if L1_CODE_LENGTH > 0 88#if L1_CODE_LENGTH > 0
87 icplb_tbl[i_i].addr = L1_CODE_START; 89 icplb_tbl[cpu][i_i].addr = get_l1_code_start_cpu(cpu);
88 icplb_tbl[i_i++].data = L1_IMEMORY | PAGE_SIZE_4MB; 90 icplb_tbl[cpu][i_i++].data = L1_IMEMORY | PAGE_SIZE_4MB;
89#endif 91#endif
90 92
91 /* Cover L2 memory */ 93 /* Cover L2 memory */
92#if L2_LENGTH > 0 94#if L2_LENGTH > 0
93 dcplb_tbl[i_d].addr = L2_START; 95 dcplb_tbl[cpu][i_d].addr = L2_START;
94 dcplb_tbl[i_d++].data = L2_DMEMORY | PAGE_SIZE_1MB; 96 dcplb_tbl[cpu][i_d++].data = L2_DMEMORY | PAGE_SIZE_1MB;
95 icplb_tbl[i_i].addr = L2_START; 97 icplb_tbl[cpu][i_i].addr = L2_START;
96 icplb_tbl[i_i++].data = L2_IMEMORY | PAGE_SIZE_1MB; 98 icplb_tbl[cpu][i_i++].data = L2_IMEMORY | PAGE_SIZE_1MB;
97#endif 99#endif
98 100
99 first_mask_dcplb = i_d; 101 first_mask_dcplb = i_d;
@@ -101,7 +103,11 @@ void __init generate_cplb_tables(void)
101 first_switched_icplb = i_i; 103 first_switched_icplb = i_i;
102 104
103 while (i_d < MAX_CPLBS) 105 while (i_d < MAX_CPLBS)
104 dcplb_tbl[i_d++].data = 0; 106 dcplb_tbl[cpu][i_d++].data = 0;
105 while (i_i < MAX_CPLBS) 107 while (i_i < MAX_CPLBS)
106 icplb_tbl[i_i++].data = 0; 108 icplb_tbl[cpu][i_i++].data = 0;
109}
110
111void generate_cplb_tables_all(void)
112{
107} 113}