Blackfin arch: don't copy bss when copying L1

when copying L1 regions, go to the start of bss rather
than end since we have code to zero it out already

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h
index 56dcb0a2d2449ced3d11097a889be0cde31d3017..77295666c34be11411d2f16c6833f5cd995f65ac 100644 (file)
--- a/arch/blackfin/include/asm/bfin-global.h
+++ b/arch/blackfin/include/asm/bfin-global.h
@@ -101,7 +101,7 @@ extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
 extern unsigned long _ramstart, _ramend, _rambase;
 extern unsigned long memory_start, memory_end, physical_mem_end;
 extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[],
-       _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _ebss_b_l1[],
+       _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _sbss_b_l1[], _ebss_b_l1[],
        _stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[],
        _ebss_l2[], _l2_lma_start[];
 

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 7f35d1046cd87d1062df7520b577b72eac4bcdf7..8337dc3a62d7b024cf01feab57a70b9e84711e62 100644 (file)
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -119,23 +119,23 @@ void __init bfin_relocate_l1_mem(void)
        /* Copy _stext_l1 to _etext_l1 to L1 instruction SRAM */
        dma_memcpy(_stext_l1, _l1_lma_start, l1_code_length);
 
-       l1_data_a_length = _ebss_l1 - _sdata_l1;
+       l1_data_a_length = _sbss_l1 - _sdata_l1;
        if (l1_data_a_length > L1_DATA_A_LENGTH)
                panic("L1 Data SRAM Bank A Overflow\n");
 
-       /* Copy _sdata_l1 to _ebss_l1 to L1 data bank A SRAM */
+       /* Copy _sdata_l1 to _sbss_l1 to L1 data bank A SRAM */
        dma_memcpy(_sdata_l1, _l1_lma_start + l1_code_length, l1_data_a_length);
 
-       l1_data_b_length = _ebss_b_l1 - _sdata_b_l1;
+       l1_data_b_length = _sbss_b_l1 - _sdata_b_l1;
        if (l1_data_b_length > L1_DATA_B_LENGTH)
                panic("L1 Data SRAM Bank B Overflow\n");
 
-       /* Copy _sdata_b_l1 to _ebss_b_l1 to L1 data bank B SRAM */
+       /* Copy _sdata_b_l1 to _sbss_b_l1 to L1 data bank B SRAM */
        dma_memcpy(_sdata_b_l1, _l1_lma_start + l1_code_length +
                        l1_data_a_length, l1_data_b_length);
 
        if (L2_LENGTH != 0) {
-               l2_length = _ebss_l2 - _stext_l2;
+               l2_length = _sbss_l2 - _stext_l2;
                if (l2_length > L2_LENGTH)
                        panic("L2 SRAM Overflow\n");