1 files changed, 24 insertions, 9 deletions

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 23e637eb78da..7a82d10b4ebf 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -52,6 +52,7 @@ EXPORT_SYMBOL(mtd_size);
 #endif
 
 char __initdata command_line[COMMAND_LINE_SIZE];
+unsigned int __initdata *__retx;
 
 /* boot memmap, for parsing "memmap=" */
 #define BFIN_MEMMAP_MAX         128 /* number of entries in bfin_memmap */
@@ -131,14 +132,14 @@ void __init bf53x_relocate_l1_mem(void)
         dma_memcpy(_sdata_b_l1, _l1_lma_start + l1_code_length +
                         l1_data_a_length, l1_data_b_length);
 
-#ifdef L2_LENGTH
-        l2_length = _ebss_l2 - _stext_l2;
-        if (l2_length > L2_LENGTH)
-                panic("L2 SRAM Overflow\n");
+        if (L2_LENGTH != 0) {
+                l2_length = _ebss_l2 - _stext_l2;
+                if (l2_length > L2_LENGTH)
+                        panic("L2 SRAM Overflow\n");
 
-        /* Copy _stext_l2 to _edata_l2 to L2 SRAM */
-        dma_memcpy(_stext_l2, _l2_lma_start, l2_length);
-#endif
+                /* Copy _stext_l2 to _edata_l2 to L2 SRAM */
+                dma_memcpy(_stext_l2, _l2_lma_start, l2_length);
+        }
 }
 
 /* add_memory_region to memmap */
@@ -738,6 +739,16 @@ void __init setup_arch(char **cmdline_p)
 
         memory_setup();
 
+        /* Initialize Async memory banks */
+        bfin_write_EBIU_AMBCTL0(AMBCTL0VAL);
+        bfin_write_EBIU_AMBCTL1(AMBCTL1VAL);
+        bfin_write_EBIU_AMGCTL(AMGCTLVAL);
+#ifdef CONFIG_EBIU_MBSCTLVAL
+        bfin_write_EBIU_MBSCTL(CONFIG_EBIU_MBSCTLVAL);
+        bfin_write_EBIU_MODE(CONFIG_EBIU_MODEVAL);
+        bfin_write_EBIU_FCTL(CONFIG_EBIU_FCTLVAL);
+#endif
+
         cclk = get_cclk();
         sclk = get_sclk();
 
@@ -775,7 +786,11 @@ void __init setup_arch(char **cmdline_p)
         bfin_write_SWRST(DOUBLE_FAULT);
 
         if (_bfin_swrst & RESET_DOUBLE)
-                printk(KERN_INFO "Recovering from Double Fault event\n");
+                /*
+                 * don't decode the address, since you don't know if this
+                 * kernel's symbol map is the same as the crashing kernel
+                 */
+                printk(KERN_INFO "Recovering from Double Fault event at %pF\n", __retx);
         else if (_bfin_swrst & RESET_WDOG)
                 printk(KERN_INFO "Recovering from Watchdog event\n");
         else if (_bfin_swrst & RESET_SOFTWARE)
@@ -1049,7 +1064,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                    dsup_banks, BFIN_DSUBBANKS, BFIN_DWAYS,
                    BFIN_DLINES);
 #ifdef CONFIG_BFIN_ICACHE_LOCK
-        switch (read_iloc()) {
+        switch ((bfin_read_IMEM_CONTROL() >> 3) & WAYALL_L) {
         case WAY0_L:
                 seq_printf(m, "Way0 Locked-Down\n");
                 break;