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authorMichael Hennerich <michael.hennerich@analog.com>2008-07-14 16:51:57 +0800
committerBryan Wu <cooloney@kernel.org>2008-07-14 16:51:57 +0800
commit68e2fc78e5055740126df8eab0d31005495756c9 (patch)
tree0d43976ff1d3ae8535445f9bcb1687f657f33337 /include/asm-blackfin
parent260d5d3517c67c5b68b4e28c5d3e1e3b73976a90 (diff)
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')
-rw-r--r--include/asm-blackfin/mach-bf527/mem_init.h27
-rw-r--r--include/asm-blackfin/mach-bf533/mem_init.h27
-rw-r--r--include/asm-blackfin/mach-bf537/mem_init.h27
-rw-r--r--include/asm-blackfin/mach-bf561/mem_init.h27
4 files changed, 0 insertions, 108 deletions
diff --git a/include/asm-blackfin/mach-bf527/mem_init.h b/include/asm-blackfin/mach-bf527/mem_init.h
index 008ca66719e..cbe03f4a569 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)
diff --git a/include/asm-blackfin/mach-bf533/mem_init.h b/include/asm-blackfin/mach-bf533/mem_init.h
index f8f31901fca..995c06b2b1e 100644
--- a/include/asm-blackfin/mach-bf533/mem_init.h
+++ b/include/asm-blackfin/mach-bf533/mem_init.h
@@ -133,33 +133,6 @@
#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)
diff --git a/include/asm-blackfin/mach-bf537/mem_init.h b/include/asm-blackfin/mach-bf537/mem_init.h
index 9ad979d416c..f67698f670c 100644
--- a/include/asm-blackfin/mach-bf537/mem_init.h
+++ b/include/asm-blackfin/mach-bf537/mem_init.h
@@ -139,33 +139,6 @@
#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)
diff --git a/include/asm-blackfin/mach-bf561/mem_init.h b/include/asm-blackfin/mach-bf561/mem_init.h
index 439a5895b34..e163260bca1 100644
--- a/include/asm-blackfin/mach-bf561/mem_init.h
+++ b/include/asm-blackfin/mach-bf561/mem_init.h
@@ -131,33 +131,6 @@
#define SDRAM_CL CL_3
#endif
-#if (CONFIG_MEM_SIZE == 128)
-#define SDRAM_SIZE EB0_SZ_128
-#endif
-#if (CONFIG_MEM_SIZE == 64)
-#define SDRAM_SIZE EB0_SZ_64
-#endif
-#if ( CONFIG_MEM_SIZE == 32)
-#define SDRAM_SIZE EB0_SZ_32
-#endif
-#if (CONFIG_MEM_SIZE == 16)
-#define SDRAM_SIZE EB0_SZ_16
-#endif
-#if (CONFIG_MEM_ADD_WIDTH == 11)
-#define SDRAM_WIDTH EB0_CAW_11
-#endif
-#if (CONFIG_MEM_ADD_WIDTH == 10)
-#define SDRAM_WIDTH EB0_CAW_10
-#endif
-#if (CONFIG_MEM_ADD_WIDTH == 9)
-#define SDRAM_WIDTH EB0_CAW_9
-#endif
-#if (CONFIG_MEM_ADD_WIDTH == 8)
-#define SDRAM_WIDTH EB0_CAW_8
-#endif
-
-#define mem_SDBCTL (SDRAM_WIDTH | SDRAM_SIZE | EB0_E)
-
/* 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)