diff options
Diffstat (limited to 'arch/blackfin/include/asm/blackfin_local.h')
| -rw-r--r-- | arch/blackfin/include/asm/blackfin_local.h | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/arch/blackfin/include/asm/blackfin_local.h b/arch/blackfin/include/asm/blackfin_local.h deleted file mode 100644 index 00556de284..0000000000 --- a/arch/blackfin/include/asm/blackfin_local.h +++ /dev/null @@ -1,208 +0,0 @@ -/* - * U-Boot - blackfin_local.h - * - * Copyright (c) 2005-2007 Analog Devices Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __BLACKFIN_LOCAL_H__ -#define __BLACKFIN_LOCAL_H__ - -#include <asm/mem_map.h> - -#define LO(con32) ((con32) & 0xFFFF) -#define lo(con32) ((con32) & 0xFFFF) -#define HI(con32) (((con32) >> 16) & 0xFFFF) -#define hi(con32) (((con32) >> 16) & 0xFFFF) - -#define OFFSET_(x) (x & 0x0000FFFF) -#define MK_BMSK_(x) (1 << x) - -/* Ideally this should be USEC not MSEC, but the USEC multiplication - * likes to overflow 32bit quantities which is all our assembler - * currently supports ;( - */ -#define USEC_PER_MSEC 1000 -#define MSEC_PER_SEC 1000 -#define BFIN_SCLK (100000000) -#define SCLK_TO_MSEC(sclk) ((MSEC_PER_SEC * ((sclk) / USEC_PER_MSEC)) / (BFIN_SCLK / USEC_PER_MSEC)) -#define MSEC_TO_SCLK(msec) ((((BFIN_SCLK / USEC_PER_MSEC) * (msec)) / MSEC_PER_SEC) * USEC_PER_MSEC) - -#define L1_CACHE_SHIFT 5 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) - -#include <linux/linkage.h> -#include <asm/cache.h> - -#ifndef __ASSEMBLY__ -# ifdef SHARED_RESOURCES -# include <asm/shared_resources.h> -# endif - -# include <linux/types.h> - -# define bfin_revid() (bfin_read_CHIPID() >> 28) - -extern int bfin_os_log_check(void); -extern void bfin_os_log_dump(void); - -extern void blackfin_icache_flush_range(const void *, const void *); -extern void blackfin_dcache_flush_range(const void *, const void *); -extern void blackfin_icache_dcache_flush_range(const void *, const void *); -extern void blackfin_dcache_flush_invalidate_range(const void *, const void *); - -/* Use DMA to move data from on chip to external memory. The L1 instruction - * regions can only be accessed via DMA, so if the address in question is in - * that region, make sure we attempt to DMA indirectly. - */ -# ifdef __ADSPBF561__ - /* Core B regions all need dma from Core A */ -# define addr_bfin_on_chip_mem(addr) \ - ((((unsigned long)(addr) & 0xFFF00000) == 0xFFA00000) || \ - (((unsigned long)(addr) & 0xFFC00000) == 0xFF400000)) -# else -# define addr_bfin_on_chip_mem(addr) \ - (((unsigned long)(addr) & 0xFFF00000) == 0xFFA00000) -# endif - -# include <asm/system.h> - -#if ANOMALY_05000198 -# define NOP_PAD_ANOMALY_05000198 "nop;" -#else -# define NOP_PAD_ANOMALY_05000198 -#endif - -#define BFIN_BUG() while (1) asm volatile("emuexcpt;"); - -#define _bfin_readX(addr, size, asm_size, asm_ext) ({ \ - u32 __v; \ - __asm__ __volatile__( \ - NOP_PAD_ANOMALY_05000198 \ - "%0 = " #asm_size "[%1]" #asm_ext ";" \ - : "=d" (__v) \ - : "a" (addr) \ - ); \ - __v; }) -#define _bfin_writeX(addr, val, size, asm_size) \ - __asm__ __volatile__( \ - NOP_PAD_ANOMALY_05000198 \ - #asm_size "[%0] = %1;" \ - : \ - : "a" (addr), "d" ((u##size)(val)) \ - : "memory" \ - ) - -#define bfin_read8(addr) _bfin_readX(addr, 8, b, (z)) -#define bfin_read16(addr) _bfin_readX(addr, 16, w, (z)) -#define bfin_read32(addr) _bfin_readX(addr, 32, , ) -#define bfin_write8(addr, val) _bfin_writeX(addr, val, 8, b) -#define bfin_write16(addr, val) _bfin_writeX(addr, val, 16, w) -#define bfin_write32(addr, val) _bfin_writeX(addr, val, 32, ) - -#define bfin_read(addr) \ -({ \ - sizeof(*(addr)) == 1 ? bfin_read8(addr) : \ - sizeof(*(addr)) == 2 ? bfin_read16(addr) : \ - sizeof(*(addr)) == 4 ? bfin_read32(addr) : \ - ({ BFIN_BUG(); 0; }); \ -}) -#define bfin_write(addr, val) \ -do { \ - switch (sizeof(*(addr))) { \ - case 1: bfin_write8(addr, val); break; \ - case 2: bfin_write16(addr, val); break; \ - case 4: bfin_write32(addr, val); break; \ - default: \ - BFIN_BUG(); \ - } \ -} while (0) - -#define bfin_write_or(addr, bits) \ -do { \ - typeof(addr) __addr = (addr); \ - bfin_write(__addr, bfin_read(__addr) | (bits)); \ -} while (0) - -#define bfin_write_and(addr, bits) \ -do { \ - typeof(addr) __addr = (addr); \ - bfin_write(__addr, bfin_read(__addr) & (bits)); \ -} while (0) - -#define bfin_readPTR(addr) bfin_read32(addr) -#define bfin_writePTR(addr, val) bfin_write32(addr, val) - -/* SSYNC implementation for C file */ -static inline void SSYNC(void) -{ - int _tmp; - if (ANOMALY_05000312) - __asm__ __volatile__( - "cli %0;" - "nop;" - "nop;" - "ssync;" - "sti %0;" - : "=d" (_tmp) - ); - else if (ANOMALY_05000244) - __asm__ __volatile__( - "nop;" - "nop;" - "nop;" - "ssync;" - ); - else - __asm__ __volatile__("ssync;"); -} - -/* CSYNC implementation for C file */ -static inline void CSYNC(void) -{ - int _tmp; - if (ANOMALY_05000312) - __asm__ __volatile__( - "cli %0;" - "nop;" - "nop;" - "csync;" - "sti %0;" - : "=d" (_tmp) - ); - else if (ANOMALY_05000244) - __asm__ __volatile__( - "nop;" - "nop;" - "nop;" - "csync;" - ); - else - __asm__ __volatile__("csync;"); -} - -#else /* __ASSEMBLY__ */ - -/* SSYNC & CSYNC implementations for assembly files */ - -#define ssync(x) SSYNC(x) -#define csync(x) CSYNC(x) - -#if ANOMALY_05000312 -#define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch; -#define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch; - -#elif ANOMALY_05000244 -#define SSYNC(scratch) nop; nop; nop; SSYNC; -#define CSYNC(scratch) nop; nop; nop; CSYNC; - -#else -#define SSYNC(scratch) SSYNC; -#define CSYNC(scratch) CSYNC; - -#endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */ - -#endif /* __ASSEMBLY__ */ - -#endif |