diff options
| author |   Barry Song <barry.song@analog.com> | 2010-01-07 04:11:17 +0000 |
|---|---|---|
| committer |   Mike Frysinger <vapier@gentoo.org> | 2010-03-09 00:30:48 -0500 |
| commit | d86bfb1600db38e8387beee0aaab4263cfd728a2 (patch) | |
| tree | 95e6f3d77d6dede480d74a7a4b87f2794a5b31fe /arch/blackfin/kernel/setup.c | |
| parent | Blackfin: fix initial stack pointer setup (diff) | |
| download | linux-dev-d86bfb1600db38e8387beee0aaab4263cfd728a2.tar.xz linux-dev-d86bfb1600db38e8387beee0aaab4263cfd728a2.zip | |
Blackfin: initial XIP support
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/blackfin/kernel/setup.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index a0bc7d3e1bff..b54ba45db5f1 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -220,6 +220,16 @@ void __init bfin_relocate_l1_mem(void) memcpy(_stext_l2, _l2_lma, l2_len); } +#ifdef CONFIG_ROMKERNEL +void __init bfin_relocate_xip_data(void) +{ + early_shadow_stamp(); + + memcpy(_sdata, _data_lma, (unsigned long)_data_len - THREAD_SIZE + sizeof(struct thread_info)); + memcpy(_sinitdata, _init_data_lma, (unsigned long)_init_data_len); +} +#endif + /* add_memory_region to memmap */ static void __init add_memory_region(unsigned long long start, unsigned long long size, int type) @@ -504,7 +514,7 @@ static __init void memory_setup(void) #endif unsigned long max_mem; - _rambase = (unsigned long)_stext; + _rambase = CONFIG_BOOT_LOAD; _ramstart = (unsigned long)_end; if (DMA_UNCACHED_REGION > (_ramend - _ramstart)) { @@ -1261,8 +1271,8 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "board memory\t: %ld kB (0x%p -> 0x%p)\n", physical_mem_end >> 10, (void *)0, (void *)physical_mem_end); seq_printf(m, "kernel memory\t: %d kB (0x%p -> 0x%p)\n", - ((int)memory_end - (int)_stext) >> 10, - _stext, + ((int)memory_end - (int)_rambase) >> 10, + (void *)_rambase, (void *)memory_end); seq_printf(m, "\n"); |