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/*
* BF561 memory map
*
* Copyright 2004-2009 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
#ifndef __BFIN_MACH_MEM_MAP_H__
#define __BFIN_MACH_MEM_MAP_H__
#ifndef __BFIN_MEM_MAP_H__
# error "do not include mach/mem_map.h directly -- use asm/mem_map.h"
#endif
/* Async Memory Banks */
#define ASYNC_BANK3_BASE 0x2C000000 /* Async Bank 3 */
#define ASYNC_BANK3_SIZE 0x04000000 /* 64M */
#define ASYNC_BANK2_BASE 0x28000000 /* Async Bank 2 */
#define ASYNC_BANK2_SIZE 0x04000000 /* 64M */
#define ASYNC_BANK1_BASE 0x24000000 /* Async Bank 1 */
#define ASYNC_BANK1_SIZE 0x04000000 /* 64M */
#define ASYNC_BANK0_BASE 0x20000000 /* Async Bank 0 */
#define ASYNC_BANK0_SIZE 0x04000000 /* 64M */
/* Boot ROM Memory */
#define BOOT_ROM_START 0xEF000000
#define BOOT_ROM_LENGTH 0x800
/* Level 1 Memory */
#ifdef CONFIG_BFIN_ICACHE
#define BFIN_ICACHESIZE (16*1024)
#else
#define BFIN_ICACHESIZE (0*1024)
#endif
/* Memory Map for ADSP-BF561 processors */
#define COREA_L1_CODE_START 0xFFA00000
#define COREA_L1_DATA_A_START 0xFF800000
#define COREA_L1_DATA_B_START 0xFF900000
#define COREB_L1_CODE_START 0xFF600000
#define COREB_L1_DATA_A_START 0xFF400000
#define COREB_L1_DATA_B_START 0xFF500000
#define L1_CODE_START COREA_L1_CODE_START
#define L1_DATA_A_START COREA_L1_DATA_A_START
#define L1_DATA_B_START COREA_L1_DATA_B_START
#define L1_CODE_LENGTH 0x4000
#ifdef CONFIG_BFIN_DCACHE
#ifdef CONFIG_BFIN_DCACHE_BANKA
#define DMEM_CNTR (ACACHE_BSRAM | ENDCPLB | PORT_PREF0)
#define L1_DATA_A_LENGTH (0x8000 - 0x4000)
#define L1_DATA_B_LENGTH 0x8000
#define BFIN_DCACHESIZE (16*1024)
#define BFIN_DSUPBANKS 1
#else
#define DMEM_CNTR (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)
#define L1_DATA_A_LENGTH (0x8000 - 0x4000)
#define L1_DATA_B_LENGTH (0x8000 - 0x4000)
#define BFIN_DCACHESIZE (32*1024)
#define BFIN_DSUPBANKS 2
#endif
#else
#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
#define L1_DATA_A_LENGTH 0x8000
#define L1_DATA_B_LENGTH 0x8000
#define BFIN_DCACHESIZE (0*1024)
#define BFIN_DSUPBANKS 0
#endif /*CONFIG_BFIN_DCACHE*/
/*
* If we are in SMP mode, then the cache settings of Core B will match
* the settings of Core A. If we aren't, then we assume Core B is not
* using any cache. This allows the rest of the kernel to work with
* the core in either mode as we are only loading user code into it and
* it is the user's problem to make sure they aren't doing something
* stupid there.
*
* Note that we treat the L1 code region as a contiguous blob to make
* the rest of the kernel simpler. Easier to check one region than a
* bunch of small ones. Again, possible misbehavior here is the fault
* of the user -- don't try to use memory that doesn't exist.
*/
#ifdef CONFIG_SMP
# define COREB_L1_CODE_LENGTH L1_CODE_LENGTH
# define COREB_L1_DATA_A_LENGTH L1_DATA_A_LENGTH
# define COREB_L1_DATA_B_LENGTH L1_DATA_B_LENGTH
#else
# define COREB_L1_CODE_LENGTH 0x14000
# define COREB_L1_DATA_A_LENGTH 0x8000
# define COREB_L1_DATA_B_LENGTH 0x8000
#endif
/* Level 2 Memory */
#define L2_START 0xFEB00000
#define L2_LENGTH 0x20000
/* Scratch Pad Memory */
#define COREA_L1_SCRATCH_START 0xFFB00000
#define COREB_L1_SCRATCH_START 0xFF700000
#ifdef __ASSEMBLY__
/*
* The following macros both return the address of the PDA for the
* current core.
*
* In its first safe (and hairy) form, the macro neither clobbers any
* register aside of the output Preg, nor uses the stack, since it
* could be called with an invalid stack pointer, or the current stack
* space being uncovered by any CPLB (e.g. early exception handling).
*
* The constraints on the second form are a bit relaxed, and the code
* is allowed to use the specified Dreg for determining the PDA
* address to be returned into Preg.
*/
#ifdef CONFIG_SMP
#define GET_PDA_SAFE(preg) \
preg.l = lo(DSPID); \
preg.h = hi(DSPID); \
preg = [preg]; \
preg = preg << 2; \
preg = preg << 2; \
preg = preg << 2; \
preg = preg << 2; \
preg = preg << 2; \
preg = preg << 2; \
preg = preg << 2; \
preg = preg << 2; \
preg = preg << 2; \
preg = preg << 2; \
preg = preg << 2; \
preg = preg << 2; \
if cc jump 2f; \
cc = preg == 0x0; \
preg.l = _cpu_pda; \
preg.h = _cpu_pda; \
if !cc jump 3f; \
1: \
/* preg = 0x0; */ \
cc = !cc; /* restore cc to 0 */ \
jump 4f; \
2: \
cc = preg == 0x0; \
preg.l = _cpu_pda; \
preg.h = _cpu_pda; \
if cc jump 4f; \
/* preg = 0x1000000; */ \
cc = !cc; /* restore cc to 1 */ \
3: \
preg = [preg]; \
4:
#define GET_PDA(preg, dreg) \
preg.l = lo(DSPID); \
preg.h = hi(DSPID); \
dreg = [preg]; \
preg.l = _cpu_pda; \
preg.h = _cpu_pda; \
cc = bittst(dreg, 0); \
if !cc jump 1f; \
preg = [preg]; \
1: \
#define GET_CPUID(preg, dreg) \
preg.l = lo(DSPID); \
preg.h = hi(DSPID); \
dreg = [preg]; \
dreg = ROT dreg BY -1; \
dreg = CC;
static inline unsigned long get_l1_scratch_start_cpu(int cpu)
{
return cpu ? COREB_L1_SCRATCH_START : COREA_L1_SCRATCH_START;
}
static inline unsigned long get_l1_code_start_cpu(int cpu)
{
return cpu ? COREB_L1_CODE_START : COREA_L1_CODE_START;
}
static inline unsigned long get_l1_data_a_start_cpu(int cpu)
{
return cpu ? COREB_L1_DATA_A_START : COREA_L1_DATA_A_START;
}
static inline unsigned long get_l1_data_b_start_cpu(int cpu)
{
return cpu ? COREB_L1_DATA_B_START : COREA_L1_DATA_B_START;
}
static inline unsigned long get_l1_scratch_start(void)
{
return get_l1_scratch_start_cpu(blackfin_core_id());
}
static inline unsigned long get_l1_code_start(void)
{
return get_l1_code_start_cpu(blackfin_core_id());
}
static inline unsigned long get_l1_data_a_start(void)
{
return get_l1_data_a_start_cpu(blackfin_core_id());
}
static inline unsigned long get_l1_data_b_start(void)
{
return get_l1_data_b_start_cpu(blackfin_core_id());
}
#endif /* CONFIG_SMP */
#endif /* __ASSEMBLY__ */
#endif
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