1 files changed, 40 insertions, 45 deletions

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 298f023bcc09..6225edae488e 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -168,7 +168,6 @@ void __cpuinit bfin_setup_cpudata(unsigned int cpu)
         struct blackfin_cpudata *cpudata = &per_cpu(cpu_data, cpu);
 
         cpudata->idle = current;
-        cpudata->loops_per_jiffy = loops_per_jiffy;
         cpudata->imemctl = bfin_read_IMEM_CONTROL();
         cpudata->dmemctl = bfin_read_DMEM_CONTROL();
 }
@@ -408,13 +407,14 @@ static void __init print_memory_map(char *who)
                         bfin_memmap.map[i].addr + bfin_memmap.map[i].size);
                 switch (bfin_memmap.map[i].type) {
                 case BFIN_MEMMAP_RAM:
-                                printk("(usable)\n");
-                                break;
+                        printk(KERN_CONT "(usable)\n");
+                        break;
                 case BFIN_MEMMAP_RESERVED:
-                                printk("(reserved)\n");
-                                break;
-                default:        printk("type %lu\n", bfin_memmap.map[i].type);
-                                break;
+                        printk(KERN_CONT "(reserved)\n");
+                        break;
+                default:
+                        printk(KERN_CONT "type %lu\n", bfin_memmap.map[i].type);
+                        break;
                 }
         }
 }
@@ -567,17 +567,23 @@ static __init void memory_setup(void)
 #  endif                                /* ANOMALY_05000263 */
 # endif                         /* CONFIG_ROMFS_FS */
 
-        memory_end -= mtd_size;
-
-        if (mtd_size == 0) {
-                console_init();
-                panic("Don't boot kernel without rootfs attached.");
+        /* Since the default MTD_UCLINUX has no magic number, we just blindly
+         * read 8 past the end of the kernel's image, and look at it.
+         * When no image is attached, mtd_size is set to a random number
+         * Do some basic sanity checks before operating on things
+         */
+        if (mtd_size == 0 || memory_end <= mtd_size) {
+                pr_emerg("Could not find valid ram mtd attached.\n");
+        } else {
+                memory_end -= mtd_size;
+
+                /* Relocate MTD image to the top of memory after the uncached memory area */
+                uclinux_ram_map.phys = memory_mtd_start = memory_end;
+                uclinux_ram_map.size = mtd_size;
+                pr_info("Found mtd parition at 0x%p, (len=0x%lx), moving to 0x%p\n",
+                        _end, mtd_size, (void *)memory_mtd_start);
+                dma_memcpy((void *)uclinux_ram_map.phys, _end, uclinux_ram_map.size);
         }
-
-        /* Relocate MTD image to the top of memory after the uncached memory area */
-        uclinux_ram_map.phys = memory_mtd_start = memory_end;
-        uclinux_ram_map.size = mtd_size;
-        dma_memcpy((void *)uclinux_ram_map.phys, _end, uclinux_ram_map.size);
 #endif                          /* CONFIG_MTD_UCLINUX */
 
 #if (defined(CONFIG_BFIN_EXTMEM_ICACHEABLE) && ANOMALY_05000263)
@@ -614,19 +620,19 @@ static __init void memory_setup(void)
         printk(KERN_INFO "Kernel Managed Memory: %ldMB\n", _ramend >> 20);
 
         printk(KERN_INFO "Memory map:\n"
-                KERN_INFO "  fixedcode = 0x%p-0x%p\n"
-                KERN_INFO "  text      = 0x%p-0x%p\n"
-                KERN_INFO "  rodata    = 0x%p-0x%p\n"
-                KERN_INFO "  bss       = 0x%p-0x%p\n"
-                KERN_INFO "  data      = 0x%p-0x%p\n"
-                KERN_INFO "    stack   = 0x%p-0x%p\n"
-                KERN_INFO "  init      = 0x%p-0x%p\n"
-                KERN_INFO "  available = 0x%p-0x%p\n"
+               "  fixedcode = 0x%p-0x%p\n"
+               "  text      = 0x%p-0x%p\n"
+               "  rodata    = 0x%p-0x%p\n"
+               "  bss       = 0x%p-0x%p\n"
+               "  data      = 0x%p-0x%p\n"
+               "    stack   = 0x%p-0x%p\n"
+               "  init      = 0x%p-0x%p\n"
+               "  available = 0x%p-0x%p\n"
 #ifdef CONFIG_MTD_UCLINUX
-                KERN_INFO "  rootfs    = 0x%p-0x%p\n"
+               "  rootfs    = 0x%p-0x%p\n"
 #endif
 #if DMA_UNCACHED_REGION > 0
-                KERN_INFO "  DMA Zone  = 0x%p-0x%p\n"
+               "  DMA Zone  = 0x%p-0x%p\n"
 #endif
                 , (void *)FIXED_CODE_START, (void *)FIXED_CODE_END,
                 _stext, _etext,
@@ -859,20 +865,13 @@ void __init setup_arch(char **cmdline_p)
 #endif
         printk(KERN_INFO "Hardware Trace ");
         if (bfin_read_TBUFCTL() & 0x1)
-                printk("Active ");
+                printk(KERN_CONT "Active ");
         else
-                printk("Off ");
+                printk(KERN_CONT "Off ");
         if (bfin_read_TBUFCTL() & 0x2)
-                printk("and Enabled\n");
+                printk(KERN_CONT "and Enabled\n");
         else
-        printk("and Disabled\n");
-
-#if defined(CONFIG_CHR_DEV_FLASH) || defined(CONFIG_BLK_DEV_FLASH)
-        /* we need to initialize the Flashrom device here since we might
-         * do things with flash early on in the boot
-         */
-        flash_probe();
-#endif
+                printk(KERN_CONT "and Disabled\n");
 
         printk(KERN_INFO "Boot Mode: %i\n", bfin_read_SYSCR() & 0xF);
 
@@ -937,10 +936,6 @@ void __init setup_arch(char **cmdline_p)
                                CPU, bfin_revid());
         }
 
-        /* We can't run on BF548-0.1 due to ANOMALY 05000448 */
-        if (bfin_cpuid() == 0x27de && bfin_revid() == 1)
-                panic("You can't run on this processor due to 05000448");
-
         printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n");
 
         printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n",
@@ -1163,9 +1158,9 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                 sclk/1000000, sclk%1000000);
         seq_printf(m, "bogomips\t: %lu.%02lu\n"
                 "Calibration\t: %lu loops\n",
-                (cpudata->loops_per_jiffy * HZ) / 500000,
-                ((cpudata->loops_per_jiffy * HZ) / 5000) % 100,
-                (cpudata->loops_per_jiffy * HZ));
+                (loops_per_jiffy * HZ) / 500000,
+                ((loops_per_jiffy * HZ) / 5000) % 100,
+                (loops_per_jiffy * HZ));
 
         /* Check Cache configutation */
         switch (cpudata->dmemctl & (1 << DMC0_P | 1 << DMC1_P)) {