Blackfin arch: convert L2 defines to be the same as the L1 defines

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

arch/blackfin/kernel/cplb-nompu/cplbinit.c

@@ -164,17 +164,13 @@ static struct cplb_desc cplb_data[] = {
 		.name = "Asynchronous Memory Banks",
 	},
 	{
-#ifdef L2_START
 		.start = L2_START,
 		.end = L2_START + L2_LENGTH,
 		.psize = SIZE_1M,
 		.attr = SWITCH_T | I_CPLB | D_CPLB,
 		.i_conf = L2_MEMORY,
 		.d_conf = L2_MEMORY,
-		.valid = 1,
-#else
-		.valid = 0,
-#endif
+		.valid = (L2_LENGTH > 0),
 		.name = "L2 Memory",
 	},
 	{

arch/blackfin/kernel/setup.c

@@ -131,14 +131,14 @@ void __init bf53x_relocate_l1_mem(void)
 	dma_memcpy(_sdata_b_l1, _l1_lma_start + l1_code_length +
 			l1_data_a_length, l1_data_b_length);
 
-#ifdef L2_LENGTH
-	l2_length = _ebss_l2 - _stext_l2;
-	if (l2_length > L2_LENGTH)
-		panic("L2 SRAM Overflow\n");
+	if (L2_LENGTH != 0) {
+		l2_length = _ebss_l2 - _stext_l2;
+		if (l2_length > L2_LENGTH)
+			panic("L2 SRAM Overflow\n");
 
-	/* Copy _stext_l2 to _edata_l2 to L2 SRAM */
-	dma_memcpy(_stext_l2, _l2_lma_start, l2_length);
-#endif
+		/* Copy _stext_l2 to _edata_l2 to L2 SRAM */
+		dma_memcpy(_stext_l2, _l2_lma_start, l2_length);
+	}
 }
 
 /* add_memory_region to memmap */

arch/blackfin/kernel/traps.c

@@ -567,7 +567,7 @@ bool get_instruction(unsigned short *val, unsigned short *address)
 	 * we don't read something in the async space that can hang forever
 	 */
 	if ((addr >= FIXED_CODE_START && (addr + 2) <= physical_mem_end) ||
-#ifdef L2_START
+#if L2_LENGTH != 0
 	    (addr >= L2_START && (addr + 2) <= (L2_START + L2_LENGTH)) ||
 #endif
 	    (addr >= BOOT_ROM_START && (addr + 2) <= (BOOT_ROM_START + BOOT_ROM_LENGTH)) ||

arch/blackfin/kernel/vmlinux.lds.S

@@ -102,7 +102,7 @@ SECTIONS
 #if !L1_DATA_B_LENGTH
 		*(.l1.data.B)
 #endif
-#ifndef L2_LENGTH
+#if !L2_LENGTH
 		. = ALIGN(32);
 		*(.data_l2.cacheline_aligned)
 		*(.l2.data)
@@ -212,20 +212,19 @@ SECTIONS
 		__ebss_b_l1 = .;
 	}
 
-#ifdef L2_LENGTH
 	__l2_lma_start = .;
 
 	.text_data_l2 L2_START : AT(LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1))
 	{
 		. = ALIGN(4);
 		__stext_l2 = .;
-		*(.l1.text)
+		*(.l2.text)
 		. = ALIGN(4);
 		__etext_l2 = .;
 
 		. = ALIGN(4);
 		__sdata_l2 = .;
-		*(.l1.data)
+		*(.l2.data)
 		__edata_l2 = .;
 
 		. = ALIGN(32);
@@ -233,11 +232,10 @@ SECTIONS
 
 		. = ALIGN(4);
 		__sbss_l2 = .;
-		*(.l1.bss)
+		*(.l2.bss)
 		. = ALIGN(4);
 		__ebss_l2 = .;
 	}
-#endif
 
 	/* Force trailing alignment of our init section so that when we
 	 * free our init memory, we don't leave behind a partial page.

arch/blackfin/mm/blackfin_sram.c

@@ -66,7 +66,7 @@ static struct sram_piece free_l1_data_B_sram_head, used_l1_data_B_sram_head;
 static struct sram_piece free_l1_inst_sram_head, used_l1_inst_sram_head;
 #endif
 
-#ifdef L2_LENGTH
+#if L2_LENGTH != 0
 static struct sram_piece free_l2_sram_head, used_l2_sram_head;
 #endif
 
@@ -175,7 +175,7 @@ static void __init l1_inst_sram_init(void)
 
 static void __init l2_sram_init(void)
 {
-#ifdef L2_LENGTH
+#if L2_LENGTH != 0
 	free_l2_sram_head.next =
 		kmem_cache_alloc(sram_piece_cache, GFP_KERNEL);
 	if (!free_l2_sram_head.next) {
@@ -367,7 +367,7 @@ int sram_free(const void *addr)
 		 && addr < (void *)(L1_DATA_B_START + L1_DATA_B_LENGTH))
 		return l1_data_B_sram_free(addr);
 #endif
-#ifdef L2_LENGTH
+#if L2_LENGTH != 0
 	else if (addr >= (void *)L2_START
 		 && addr < (void *)(L2_START + L2_LENGTH))
 		return l2_sram_free(addr);
@@ -604,7 +604,7 @@ int l1sram_free(const void *addr)
 
 void *l2_sram_alloc(size_t size)
 {
-#ifdef L2_LENGTH
+#if L2_LENGTH != 0
 	unsigned flags;
 	void *addr;
 
@@ -640,7 +640,7 @@ EXPORT_SYMBOL(l2_sram_zalloc);
 
 int l2_sram_free(const void *addr)
 {
-#ifdef L2_LENGTH
+#if L2_LENGTH != 0
 	unsigned flags;
 	int ret;
 
@@ -779,7 +779,7 @@ static int sram_proc_read(char *buf, char **start, off_t offset, int count,
 			&free_l1_inst_sram_head, &used_l1_inst_sram_head))
 		goto not_done;
 #endif
-#ifdef L2_LENGTH
+#if L2_LENGTH != 0
 	if (_sram_proc_read(buf, &len, count, "L2",
 			&free_l2_sram_head, &used_l2_sram_head))
 		goto not_done;

include/asm-blackfin/mach-bf527/mem_map.h

@@ -89,6 +89,11 @@
 #define BFIN_DSUPBANKS	0
 #endif				/*CONFIG_BFIN_DCACHE */
 
+/* Level 2 Memory - none */
+
+#define L2_START	0
+#define L2_LENGTH	0
+
 /* Scratch Pad Memory */
 
 #define L1_SCRATCH_START	0xFFB00000

include/asm-blackfin/mach-bf533/mem_map.h

@@ -158,6 +158,11 @@
 
 #endif
 
+/* Level 2 Memory - none */
+
+#define L2_START	0
+#define L2_LENGTH	0
+
 /* Scratch Pad Memory */
 
 #define L1_SCRATCH_START	0xFFB00000

include/asm-blackfin/mach-bf537/mem_map.h

@@ -166,6 +166,11 @@
 
 #endif
 
+/* Level 2 Memory - none */
+
+#define L2_START	0
+#define L2_LENGTH	0
+
 /* Scratch Pad Memory */
 
 #define L1_SCRATCH_START	0xFFB00000