diff options
Diffstat (limited to 'arch/m68k/kernel/setup_mm.c')
-rw-r--r-- | arch/m68k/kernel/setup_mm.c | 62 |
1 files changed, 37 insertions, 25 deletions
diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c index e67e531..5b8ec4d 100644 --- a/arch/m68k/kernel/setup_mm.c +++ b/arch/m68k/kernel/setup_mm.c @@ -26,6 +26,7 @@ #include <linux/initrd.h> #include <asm/bootinfo.h> +#include <asm/byteorder.h> #include <asm/sections.h> #include <asm/setup.h> #include <asm/fpu.h> @@ -71,12 +72,12 @@ EXPORT_SYMBOL(m68k_num_memory); int m68k_realnum_memory; EXPORT_SYMBOL(m68k_realnum_memory); unsigned long m68k_memoffset; -struct mem_info m68k_memory[NUM_MEMINFO]; +struct m68k_mem_info m68k_memory[NUM_MEMINFO]; EXPORT_SYMBOL(m68k_memory); -struct mem_info m68k_ramdisk; +static struct m68k_mem_info m68k_ramdisk __initdata; -static char m68k_command_line[CL_SIZE]; +static char m68k_command_line[CL_SIZE] __initdata; void (*mach_sched_init) (irq_handler_t handler) __initdata = NULL; /* machine dependent irq functions */ @@ -143,11 +144,16 @@ extern void paging_init(void); static void __init m68k_parse_bootinfo(const struct bi_record *record) { - while (record->tag != BI_LAST) { + uint16_t tag; + + save_bootinfo(record); + + while ((tag = be16_to_cpu(record->tag)) != BI_LAST) { int unknown = 0; - const unsigned long *data = record->data; + const void *data = record->data; + uint16_t size = be16_to_cpu(record->size); - switch (record->tag) { + switch (tag) { case BI_MACHTYPE: case BI_CPUTYPE: case BI_FPUTYPE: @@ -157,20 +163,27 @@ static void __init m68k_parse_bootinfo(const struct bi_record *record) case BI_MEMCHUNK: if (m68k_num_memory < NUM_MEMINFO) { - m68k_memory[m68k_num_memory].addr = data[0]; - m68k_memory[m68k_num_memory].size = data[1]; + const struct mem_info *m = data; + m68k_memory[m68k_num_memory].addr = + be32_to_cpu(m->addr); + m68k_memory[m68k_num_memory].size = + be32_to_cpu(m->size); m68k_num_memory++; } else - printk("m68k_parse_bootinfo: too many memory chunks\n"); + pr_warn("%s: too many memory chunks\n", + __func__); break; case BI_RAMDISK: - m68k_ramdisk.addr = data[0]; - m68k_ramdisk.size = data[1]; + { + const struct mem_info *m = data; + m68k_ramdisk.addr = be32_to_cpu(m->addr); + m68k_ramdisk.size = be32_to_cpu(m->size); + } break; case BI_COMMAND_LINE: - strlcpy(m68k_command_line, (const char *)data, + strlcpy(m68k_command_line, data, sizeof(m68k_command_line)); break; @@ -197,17 +210,16 @@ static void __init m68k_parse_bootinfo(const struct bi_record *record) unknown = 1; } if (unknown) - printk("m68k_parse_bootinfo: unknown tag 0x%04x ignored\n", - record->tag); - record = (struct bi_record *)((unsigned long)record + - record->size); + pr_warn("%s: unknown tag 0x%04x ignored\n", __func__, + tag); + record = (struct bi_record *)((unsigned long)record + size); } m68k_realnum_memory = m68k_num_memory; #ifdef CONFIG_SINGLE_MEMORY_CHUNK if (m68k_num_memory > 1) { - printk("Ignoring last %i chunks of physical memory\n", - (m68k_num_memory - 1)); + pr_warn("%s: ignoring last %i chunks of physical memory\n", + __func__, (m68k_num_memory - 1)); m68k_num_memory = 1; } #endif @@ -219,7 +231,7 @@ void __init setup_arch(char **cmdline_p) int i; #endif - /* The bootinfo is located right after the kernel bss */ + /* The bootinfo is located right after the kernel */ if (!CPU_IS_COLDFIRE) m68k_parse_bootinfo((const struct bi_record *)_end); @@ -247,7 +259,7 @@ void __init setup_arch(char **cmdline_p) asm (".chip 68060; movec %%pcr,%0; .chip 68k" : "=d" (pcr)); if (((pcr >> 8) & 0xff) <= 5) { - printk("Enabling workaround for errata I14\n"); + pr_warn("Enabling workaround for errata I14\n"); asm (".chip 68060; movec %0,%%pcr; .chip 68k" : : "d" (pcr | 0x20)); } @@ -336,12 +348,12 @@ void __init setup_arch(char **cmdline_p) panic("No configuration setup"); } + paging_init(); + #ifdef CONFIG_NATFEAT nf_init(); #endif - paging_init(); - #ifndef CONFIG_SUN3 for (i = 1; i < m68k_num_memory; i++) free_bootmem_node(NODE_DATA(i), m68k_memory[i].addr, @@ -353,7 +365,7 @@ void __init setup_arch(char **cmdline_p) BOOTMEM_DEFAULT); initrd_start = (unsigned long)phys_to_virt(m68k_ramdisk.addr); initrd_end = initrd_start + m68k_ramdisk.size; - printk("initrd: %08lx - %08lx\n", initrd_start, initrd_end); + pr_info("initrd: %08lx - %08lx\n", initrd_start, initrd_end); } #endif @@ -538,9 +550,9 @@ void check_bugs(void) { #ifndef CONFIG_M68KFPU_EMU if (m68k_fputype == 0) { - printk(KERN_EMERG "*** YOU DO NOT HAVE A FLOATING POINT UNIT, " + pr_emerg("*** YOU DO NOT HAVE A FLOATING POINT UNIT, " "WHICH IS REQUIRED BY LINUX/M68K ***\n"); - printk(KERN_EMERG "Upgrade your hardware or join the FPU " + pr_emerg("Upgrade your hardware or join the FPU " "emulation project\n"); panic("no FPU"); } |