original files of m241

2026-07-30 11:19:44 +05:30
parent 170c2b3f3a
commit afc7070c1f
12254 changed files with 7655111 additions and 0 deletions
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+/* cavTwsi.h -  Cavium Twsi Support Routines */
+
+/*
+ * Copyright (c) 2010-2011 Wind River Systems, Inc.
+ *
+ * The right to copy, distribute, modify or otherwise make use
+ * of this software may be licensed only pursuant to the terms
+ * of an applicable Wind River license agreement.
+ */
+
+/*
+modification history
+--------------------
+01d,09dec11,x_f  add functions declaration for CN68XX
+01c,05oct10,d_c  Change ull to ULL to be Diab compatible
+01b,21sep10,d_c  correct typo
+01a,14sep10,rlg  Written
+*/
+
+/*
+DESCRIPTION
+
+This file declares macros, typedefs, and prototypes for general,
+non-device-specific access routines for Cavium hardware.
+
+*/
+
+#ifndef __INCcavTwsih
+#define __INCcavTwsih
+
+#include <arch/mips/private/cavSdkDrvInclude.h>
+#include CAV_SDK_DRV_INCLUDE(cvmx-abi.h)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Some TWSI register bits */
+
+#define TWS_SW_TWSI_V (0x8000000000000000ULL) /* Valid - clears on complete */
+#define TWS_SW_TWSI_R (0x0100000000000000ULL) /* Read / Result */
+
+#define TWS_SW_TWSI_OP_SHIFT	(57)
+#define TWS_SW_TWSI_OP(x) (((uint64_t)(x)) << TWS_SW_TWSI_OP_SHIFT)
+
+#define TWS_SW_TWSI_OP0 (0x1ULL << 57)
+#define TWS_SW_TWSI_OP1 (0x1ULL << 58)  /* 10 bit */
+#define TWS_SW_TWSI_OP2 (0x1ULL << 59)
+#define TWS_SW_TWSI_OP3 (0x1ULL << 60)
+
+#define TWS_SW_TWSI_A_SHIFT  (40)
+#define TWS_SW_TWSI_A(x)  (((uint64_t)x) << TWS_SW_TWSI_A_SHIFT)
+
+#define TWS_SW_TWSI_IA_SHIFT  (35)
+#define TWS_SW_TWSI_IA(x) (((uint64_t)x) << TWS_SW_TWSI_IA_SHIFT)
+
+#define TWS_SW_TWSI_EOP_IA_SHIFT (32)
+#define TWS_SW_TWSI_EOP_IA(x) (((uint64_t)x) << TWS_SW_TWSI_EOP_IA_SHIFT)
+
+/* functions */
+
+extern int cavTwsiRead(uint8_t, uint8_t);
+extern int cavTwsiWrite(uint8_t, uint8_t, uint8_t);
+extern int cavTwsixReadIa(int, uint8_t, uint16_t, int, int, uint64_t *);
+extern int cavTwsixWriteIa(int, uint8_t, uint16_t, int, int, uint64_t);
+extern int cavTwsiSetAddr16(uint8_t, uint16_t);
+extern int cavTwsiRead8_curAddr(uint8_t);
+extern int cavTwsiRead8(uint8_t, uint16_t);
+extern int cavTwsiRead16_curAddr(uint8_t);
+extern int cavTwsiRead16(uint8_t, uint16_t);
+extern int cavTwsiWrite16(uint8_t, uint16_t, uint16_t);
+extern void cavTwsiLock(void);
+extern void cavTwsiUnlock(void);
+extern void cavTwsiSemCreate(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCcavTwsih */