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author | Michael Hennerich <michael.hennerich@analog.com> | 2008-07-14 08:51:57 (GMT) |
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committer | Bryan Wu <cooloney@kernel.org> | 2008-07-14 08:51:57 (GMT) |
commit | 68e2fc78e5055740126df8eab0d31005495756c9 (patch) | |
tree | 0d43976ff1d3ae8535445f9bcb1687f657f33337 /include/asm-blackfin/mach-bf527 | |
parent | 260d5d3517c67c5b68b4e28c5d3e1e3b73976a90 (diff) | |
download | linux-fsl-qoriq-68e2fc78e5055740126df8eab0d31005495756c9.tar.xz |
Blackfin arch: Fix bug - Kernel does not boot if re-program clocks
Don't write conflicting data to EBIU_SDBCTL after the SDRAM is
configured. This can cause data corruption, since we might change SDRAM
row and column addressing modes.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'include/asm-blackfin/mach-bf527')
-rw-r--r-- | include/asm-blackfin/mach-bf527/mem_init.h | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/include/asm-blackfin/mach-bf527/mem_init.h b/include/asm-blackfin/mach-bf527/mem_init.h index 008ca66..cbe03f4 100644 --- a/include/asm-blackfin/mach-bf527/mem_init.h +++ b/include/asm-blackfin/mach-bf527/mem_init.h @@ -146,33 +146,6 @@ #define SDRAM_CL CL_3 #endif -#if (CONFIG_MEM_SIZE == 128) -#define SDRAM_SIZE EBSZ_128 -#endif -#if (CONFIG_MEM_SIZE == 64) -#define SDRAM_SIZE EBSZ_64 -#endif -#if (CONFIG_MEM_SIZE == 32) -#define SDRAM_SIZE EBSZ_32 -#endif -#if (CONFIG_MEM_SIZE == 16) -#define SDRAM_SIZE EBSZ_16 -#endif -#if (CONFIG_MEM_ADD_WIDTH == 11) -#define SDRAM_WIDTH EBCAW_11 -#endif -#if (CONFIG_MEM_ADD_WIDTH == 10) -#define SDRAM_WIDTH EBCAW_10 -#endif -#if (CONFIG_MEM_ADD_WIDTH == 9) -#define SDRAM_WIDTH EBCAW_9 -#endif -#if (CONFIG_MEM_ADD_WIDTH == 8) -#define SDRAM_WIDTH EBCAW_8 -#endif - -#define mem_SDBCTL (SDRAM_WIDTH | SDRAM_SIZE | EBE) - /* Equation from section 17 (p17-46) of BF533 HRM */ #define mem_SDRRC (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num) |