aboutsummaryrefslogtreecommitdiffstats
path: root/arch/blackfin/kernel/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/kernel/setup.c')
-rw-r--r--arch/blackfin/kernel/setup.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index b2a811347b6..a58687bdee6 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -60,7 +60,7 @@ void __initdata *init_retx, *init_saved_retx, *init_saved_seqstat,
60#define BFIN_MEMMAP_MAX 128 /* number of entries in bfin_memmap */ 60#define BFIN_MEMMAP_MAX 128 /* number of entries in bfin_memmap */
61#define BFIN_MEMMAP_RAM 1 61#define BFIN_MEMMAP_RAM 1
62#define BFIN_MEMMAP_RESERVED 2 62#define BFIN_MEMMAP_RESERVED 2
63struct bfin_memmap { 63static struct bfin_memmap {
64 int nr_map; 64 int nr_map;
65 struct bfin_memmap_entry { 65 struct bfin_memmap_entry {
66 unsigned long long addr; /* start of memory segment */ 66 unsigned long long addr; /* start of memory segment */
@@ -824,7 +824,15 @@ void __init setup_arch(char **cmdline_p)
824 flash_probe(); 824 flash_probe();
825#endif 825#endif
826 826
827 printk(KERN_INFO "Boot Mode: %i\n", bfin_read_SYSCR() & 0xF);
828
829 /* Newer parts mirror SWRST bits in SYSCR */
830#if defined(CONFIG_BF53x) || defined(CONFIG_BF561) || \
831 defined(CONFIG_BF538) || defined(CONFIG_BF539)
827 _bfin_swrst = bfin_read_SWRST(); 832 _bfin_swrst = bfin_read_SWRST();
833#else
834 _bfin_swrst = bfin_read_SYSCR();
835#endif
828 836
829#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT 837#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT
830 bfin_write_SWRST(_bfin_swrst & ~DOUBLE_FAULT); 838 bfin_write_SWRST(_bfin_swrst & ~DOUBLE_FAULT);
@@ -853,7 +861,7 @@ void __init setup_arch(char **cmdline_p)
853 else if (_bfin_swrst & RESET_SOFTWARE) 861 else if (_bfin_swrst & RESET_SOFTWARE)
854 printk(KERN_NOTICE "Reset caused by Software reset\n"); 862 printk(KERN_NOTICE "Reset caused by Software reset\n");
855 863
856 printk(KERN_INFO "Blackfin support (C) 2004-2008 Analog Devices, Inc.\n"); 864 printk(KERN_INFO "Blackfin support (C) 2004-2009 Analog Devices, Inc.\n");
857 if (bfin_compiled_revid() == 0xffff) 865 if (bfin_compiled_revid() == 0xffff)
858 printk(KERN_INFO "Compiled for ADSP-%s Rev any\n", CPU); 866 printk(KERN_INFO "Compiled for ADSP-%s Rev any\n", CPU);
859 else if (bfin_compiled_revid() == -1) 867 else if (bfin_compiled_revid() == -1)
@@ -881,6 +889,10 @@ void __init setup_arch(char **cmdline_p)
881 CPU, bfin_revid()); 889 CPU, bfin_revid());
882 } 890 }
883 891
892 /* We can't run on BF548-0.1 due to ANOMALY 05000448 */
893 if (bfin_cpuid() == 0x27de && bfin_revid() == 1)
894 panic("You can't run on this processor due to 05000448\n");
895
884 printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n"); 896 printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n");
885 897
886 printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n", 898 printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n",
@@ -1133,12 +1145,12 @@ static int show_cpuinfo(struct seq_file *m, void *v)
1133 icache_size = 0; 1145 icache_size = 0;
1134 1146
1135 seq_printf(m, "cache size\t: %d KB(L1 icache) " 1147 seq_printf(m, "cache size\t: %d KB(L1 icache) "
1136 "%d KB(L1 dcache-%s) %d KB(L2 cache)\n", 1148 "%d KB(L1 dcache%s) %d KB(L2 cache)\n",
1137 icache_size, dcache_size, 1149 icache_size, dcache_size,
1138#if defined CONFIG_BFIN_WB 1150#if defined CONFIG_BFIN_WB
1139 "wb" 1151 "-wb"
1140#elif defined CONFIG_BFIN_WT 1152#elif defined CONFIG_BFIN_WT
1141 "wt" 1153 "-wt"
1142#endif 1154#endif
1143 "", 0); 1155 "", 0);
1144 1156