2 * Copyright (C) 2014 Freescale Semiconductor
4 * SPDX-License-Identifier: GPL-2.0+
7 /* Perform extra checking */
11 #include <linux/types.h>
12 #include <asm/atomic.h>
14 #include <asm/arch/soc.h>
15 #include <fsl-mc/fsl_qbman_base.h>
17 #define QBMAN_CHECKING
19 /* Any time there is a register interface which we poll on, this provides a
20 * "break after x iterations" scheme for it. It's handy for debugging, eg.
21 * where you don't want millions of lines of log output from a polling loop
22 * that won't, because such things tend to drown out the earlier log output
23 * that might explain what caused the problem. (NB: put ";" after each macro!)
24 * TODO: we should probably remove this once we're done sanitising the
27 #define DBG_POLL_START(loopvar) (loopvar = 10)
28 #define DBG_POLL_CHECK(loopvar) \
29 do {if (!(loopvar--)) BUG_ON(NULL == "DBG_POLL_CHECK"); } while (0)
31 /* For CCSR or portal-CINH registers that contain fields at arbitrary offsets
32 * and widths, these macro-generated encode/decode/isolate/remove inlines can
35 * Eg. to "d"ecode a 14-bit field out of a register (into a "uint16_t" type),
36 * where the field is located 3 bits "up" from the least-significant bit of the
37 * register (ie. the field location within the 32-bit register corresponds to a
38 * mask of 0x0001fff8), you would do;
39 * uint16_t field = d32_uint16_t(3, 14, reg_value);
41 * Or to "e"ncode a 1-bit boolean value (input type is "int", zero is FALSE,
42 * non-zero is TRUE, so must convert all non-zero inputs to 1, hence the "!!"
43 * operator) into a register at bit location 0x00080000 (19 bits "in" from the
45 * reg_value |= e32_int(19, 1, !!field);
47 * If you wish to read-modify-write a register, such that you leave the 14-bit
48 * field as-is but have all other fields set to zero, then "i"solate the 14-bit
50 * reg_value = i32_uint16_t(3, 14, reg_value);
52 * Alternatively, you could "r"emove the 1-bit boolean field (setting it to
53 * zero) but leaving all other fields as-is;
54 * reg_val = r32_int(19, 1, reg_value);
57 #define MAKE_MASK32(width) (width == 32 ? 0xffffffff : \
58 (uint32_t)((1 << width) - 1))
59 #define DECLARE_CODEC32(t) \
60 static inline uint32_t e32_##t(uint32_t lsoffset, uint32_t width, t val) \
62 BUG_ON(width > (sizeof(t) * 8)); \
63 return ((uint32_t)val & MAKE_MASK32(width)) << lsoffset; \
65 static inline t d32_##t(uint32_t lsoffset, uint32_t width, uint32_t val) \
67 BUG_ON(width > (sizeof(t) * 8)); \
68 return (t)((val >> lsoffset) & MAKE_MASK32(width)); \
70 static inline uint32_t i32_##t(uint32_t lsoffset, uint32_t width, \
73 BUG_ON(width > (sizeof(t) * 8)); \
74 return e32_##t(lsoffset, width, d32_##t(lsoffset, width, val)); \
76 static inline uint32_t r32_##t(uint32_t lsoffset, uint32_t width, \
79 BUG_ON(width > (sizeof(t) * 8)); \
80 return ~(MAKE_MASK32(width) << lsoffset) & val; \
82 DECLARE_CODEC32(uint32_t)
83 DECLARE_CODEC32(uint16_t)
84 DECLARE_CODEC32(uint8_t)
87 /*********************/
88 /* Debugging assists */
89 /*********************/
91 static inline void __hexdump(unsigned long start, unsigned long end,
92 unsigned long p, size_t sz, const unsigned char *c)
99 pos += sprintf(buf + pos, "%08lx: ", start);
101 if ((start < p) || (start >= (p + sz)))
102 pos += sprintf(buf + pos, "..");
104 pos += sprintf(buf + pos, "%02x", *(c++));
105 if (!(++start & 15)) {
115 } while (start & 15);
122 static inline void hexdump(const void *ptr, size_t sz)
124 unsigned long p = (unsigned long)ptr;
125 unsigned long start = p & ~(unsigned long)15;
126 unsigned long end = (p + sz + 15) & ~(unsigned long)15;
127 const unsigned char *c = ptr;
129 __hexdump(start, end, p, sz, c);
132 #if defined(__BIG_ENDIAN)
133 #define DQRR_TOK_OFFSET 0
135 #define DQRR_TOK_OFFSET 24
138 /* Similarly-named functions */
139 #define upper32(a) upper_32_bits(a)
140 #define lower32(a) lower_32_bits(a)
146 static inline void dcbz(void *ptr)
149 BUG_ON((unsigned long)ptr & 63);
170 void qbman_version(u32 *major, u32 *minor)
175 * LS2080A SoC and its personalities has qbman cotroller version 4.0
176 * New SoCs like LS2088A, LS1088A has qbman conroller version 4.1
178 svr_dev_id = get_svr();
179 if (IS_SVR_DEV(svr_dev_id, SVR_DEV(SVR_LS2080A))) {
188 #include "qbman_sys.h"