*
* Copyright (c) 2005-2007 Analog Devices Inc.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __BLACKFIN_LOCAL_H__
#define L1_CACHE_SHIFT 5
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-#include <asm/linkage.h>
+#include <linux/linkage.h>
+#include <asm/cache.h>
#ifndef __ASSEMBLY__
# ifdef SHARED_RESOURCES
extern u_long get_vco(void);
extern u_long get_cclk(void);
extern u_long get_sclk(void);
+extern u_long get_sclk0(void);
+extern u_long get_sclk1(void);
+extern u_long get_dclk(void);
# define bfin_revid() (bfin_read_CHIPID() >> 28)
-extern bool bfin_os_log_check(void);
+extern int bfin_os_log_check(void);
extern void bfin_os_log_dump(void);
extern void blackfin_icache_flush_range(const void *, const void *);
* regions can only be accessed via DMA, so if the address in question is in
* that region, make sure we attempt to DMA indirectly.
*/
-# define addr_bfin_on_chip_mem(addr) (((unsigned long)(addr) & 0xFFF00000) == 0xFFA00000)
+# 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>
# define NOP_PAD_ANOMALY_05000198
#endif
-#define bfin_read8(addr) ({ \
- uint8_t __v; \
+#define _bfin_readX(addr, size, asm_size, asm_ext) ({ \
+ u32 __v; \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
- "%0 = b[%1] (z);" \
+ "%0 = " #asm_size "[%1]" #asm_ext ";" \
: "=d" (__v) \
: "a" (addr) \
); \
__v; })
-
-#define bfin_read16(addr) ({ \
- uint16_t __v; \
+#define _bfin_writeX(addr, val, size, asm_size) \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
- "%0 = w[%1] (z);" \
- : "=d" (__v) \
- : "a" (addr) \
- ); \
- __v; })
-
-#define bfin_read32(addr) ({ \
- uint32_t __v; \
- __asm__ __volatile__( \
- NOP_PAD_ANOMALY_05000198 \
- "%0 = [%1];" \
- : "=d" (__v) \
- : "a" (addr) \
- ); \
- __v; })
-
-#define bfin_readPTR(addr) bfin_read32(addr)
-
-#define bfin_write8(addr, val) \
- __asm__ __volatile__( \
- NOP_PAD_ANOMALY_05000198 \
- "b[%0] = %1;" \
- : \
- : "a" (addr), "d" (val) \
- : "memory" \
- )
-
-#define bfin_write16(addr, val) \
- __asm__ __volatile__( \
- NOP_PAD_ANOMALY_05000198 \
- "w[%0] = %1;" \
+ #asm_size "[%0] = %1;" \
: \
- : "a" (addr), "d" (val) \
+ : "a" (addr), "d" ((u##size)(val)) \
: "memory" \
)
-#define bfin_write32(addr, val) \
- __asm__ __volatile__( \
- NOP_PAD_ANOMALY_05000198 \
- "[%0] = %1;" \
- : \
- : "a" (addr), "d" (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) : \
+ ({ 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: 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 */