xref: /openbmc/qemu/include/hw/misc/xlnx-versal-cfu.h (revision 784155cd)
1 /*
2  * QEMU model of the CFU Configuration Unit.
3  *
4  * Copyright (C) 2023, Advanced Micro Devices, Inc.
5  *
6  * Written by Francisco Iglesias <francisco.iglesias@amd.com>
7  *
8  * SPDX-License-Identifier: GPL-2.0-or-later
9  *
10  * References:
11  * [1] Versal ACAP Technical Reference Manual,
12  *     https://www.xilinx.com/support/documentation/architecture-manuals/am011-versal-acap-trm.pdf
13  *
14  * [2] Versal ACAP Register Reference,
15  *     https://www.xilinx.com/htmldocs/registers/am012/am012-versal-register-reference.html
16  */
17 #ifndef HW_MISC_XLNX_VERSAL_CFU_APB_H
18 #define HW_MISC_XLNX_VERSAL_CFU_APB_H
19 
20 #include "hw/sysbus.h"
21 #include "hw/register.h"
22 #include "hw/misc/xlnx-cfi-if.h"
23 #include "qemu/fifo32.h"
24 
25 #define TYPE_XLNX_VERSAL_CFU_APB "xlnx,versal-cfu-apb"
26 OBJECT_DECLARE_SIMPLE_TYPE(XlnxVersalCFUAPB, XLNX_VERSAL_CFU_APB)
27 
28 #define TYPE_XLNX_VERSAL_CFU_FDRO "xlnx,versal-cfu-fdro"
29 OBJECT_DECLARE_SIMPLE_TYPE(XlnxVersalCFUFDRO, XLNX_VERSAL_CFU_FDRO)
30 
31 #define TYPE_XLNX_VERSAL_CFU_SFR "xlnx,versal-cfu-sfr"
32 OBJECT_DECLARE_SIMPLE_TYPE(XlnxVersalCFUSFR, XLNX_VERSAL_CFU_SFR)
33 
34 REG32(CFU_ISR, 0x0)
35     FIELD(CFU_ISR, USR_GTS_EVENT, 9, 1)
36     FIELD(CFU_ISR, USR_GSR_EVENT, 8, 1)
37     FIELD(CFU_ISR, SLVERR, 7, 1)
38     FIELD(CFU_ISR, DECOMP_ERROR, 6, 1)
39     FIELD(CFU_ISR, BAD_CFI_PACKET, 5, 1)
40     FIELD(CFU_ISR, AXI_ALIGN_ERROR, 4, 1)
41     FIELD(CFU_ISR, CFI_ROW_ERROR, 3, 1)
42     FIELD(CFU_ISR, CRC32_ERROR, 2, 1)
43     FIELD(CFU_ISR, CRC8_ERROR, 1, 1)
44     FIELD(CFU_ISR, SEU_ENDOFCALIB, 0, 1)
45 REG32(CFU_IMR, 0x4)
46     FIELD(CFU_IMR, USR_GTS_EVENT, 9, 1)
47     FIELD(CFU_IMR, USR_GSR_EVENT, 8, 1)
48     FIELD(CFU_IMR, SLVERR, 7, 1)
49     FIELD(CFU_IMR, DECOMP_ERROR, 6, 1)
50     FIELD(CFU_IMR, BAD_CFI_PACKET, 5, 1)
51     FIELD(CFU_IMR, AXI_ALIGN_ERROR, 4, 1)
52     FIELD(CFU_IMR, CFI_ROW_ERROR, 3, 1)
53     FIELD(CFU_IMR, CRC32_ERROR, 2, 1)
54     FIELD(CFU_IMR, CRC8_ERROR, 1, 1)
55     FIELD(CFU_IMR, SEU_ENDOFCALIB, 0, 1)
56 REG32(CFU_IER, 0x8)
57     FIELD(CFU_IER, USR_GTS_EVENT, 9, 1)
58     FIELD(CFU_IER, USR_GSR_EVENT, 8, 1)
59     FIELD(CFU_IER, SLVERR, 7, 1)
60     FIELD(CFU_IER, DECOMP_ERROR, 6, 1)
61     FIELD(CFU_IER, BAD_CFI_PACKET, 5, 1)
62     FIELD(CFU_IER, AXI_ALIGN_ERROR, 4, 1)
63     FIELD(CFU_IER, CFI_ROW_ERROR, 3, 1)
64     FIELD(CFU_IER, CRC32_ERROR, 2, 1)
65     FIELD(CFU_IER, CRC8_ERROR, 1, 1)
66     FIELD(CFU_IER, SEU_ENDOFCALIB, 0, 1)
67 REG32(CFU_IDR, 0xc)
68     FIELD(CFU_IDR, USR_GTS_EVENT, 9, 1)
69     FIELD(CFU_IDR, USR_GSR_EVENT, 8, 1)
70     FIELD(CFU_IDR, SLVERR, 7, 1)
71     FIELD(CFU_IDR, DECOMP_ERROR, 6, 1)
72     FIELD(CFU_IDR, BAD_CFI_PACKET, 5, 1)
73     FIELD(CFU_IDR, AXI_ALIGN_ERROR, 4, 1)
74     FIELD(CFU_IDR, CFI_ROW_ERROR, 3, 1)
75     FIELD(CFU_IDR, CRC32_ERROR, 2, 1)
76     FIELD(CFU_IDR, CRC8_ERROR, 1, 1)
77     FIELD(CFU_IDR, SEU_ENDOFCALIB, 0, 1)
78 REG32(CFU_ITR, 0x10)
79     FIELD(CFU_ITR, USR_GTS_EVENT, 9, 1)
80     FIELD(CFU_ITR, USR_GSR_EVENT, 8, 1)
81     FIELD(CFU_ITR, SLVERR, 7, 1)
82     FIELD(CFU_ITR, DECOMP_ERROR, 6, 1)
83     FIELD(CFU_ITR, BAD_CFI_PACKET, 5, 1)
84     FIELD(CFU_ITR, AXI_ALIGN_ERROR, 4, 1)
85     FIELD(CFU_ITR, CFI_ROW_ERROR, 3, 1)
86     FIELD(CFU_ITR, CRC32_ERROR, 2, 1)
87     FIELD(CFU_ITR, CRC8_ERROR, 1, 1)
88     FIELD(CFU_ITR, SEU_ENDOFCALIB, 0, 1)
89 REG32(CFU_PROTECT, 0x14)
90     FIELD(CFU_PROTECT, ACTIVE, 0, 1)
91 REG32(CFU_FGCR, 0x18)
92     FIELD(CFU_FGCR, GCLK_CAL, 14, 1)
93     FIELD(CFU_FGCR, SC_HBC_TRIGGER, 13, 1)
94     FIELD(CFU_FGCR, GLOW, 12, 1)
95     FIELD(CFU_FGCR, GPWRDWN, 11, 1)
96     FIELD(CFU_FGCR, GCAP, 10, 1)
97     FIELD(CFU_FGCR, GSCWE, 9, 1)
98     FIELD(CFU_FGCR, GHIGH_B, 8, 1)
99     FIELD(CFU_FGCR, GMC_B, 7, 1)
100     FIELD(CFU_FGCR, GWE, 6, 1)
101     FIELD(CFU_FGCR, GRESTORE, 5, 1)
102     FIELD(CFU_FGCR, GTS_CFG_B, 4, 1)
103     FIELD(CFU_FGCR, GLUTMASK, 3, 1)
104     FIELD(CFU_FGCR, EN_GLOBS_B, 2, 1)
105     FIELD(CFU_FGCR, EOS, 1, 1)
106     FIELD(CFU_FGCR, INIT_COMPLETE, 0, 1)
107 REG32(CFU_CTL, 0x1c)
108     FIELD(CFU_CTL, GSR_GSC, 15, 1)
109     FIELD(CFU_CTL, SLVERR_EN, 14, 1)
110     FIELD(CFU_CTL, CRC32_RESET, 13, 1)
111     FIELD(CFU_CTL, AXI_ERROR_EN, 12, 1)
112     FIELD(CFU_CTL, FLUSH_AXI, 11, 1)
113     FIELD(CFU_CTL, SSI_PER_SLR_PR, 10, 1)
114     FIELD(CFU_CTL, GCAP_CLK_EN, 9, 1)
115     FIELD(CFU_CTL, STATUS_SYNC_DISABLE, 8, 1)
116     FIELD(CFU_CTL, IGNORE_CFI_ERROR, 7, 1)
117     FIELD(CFU_CTL, CFRAME_DISABLE, 6, 1)
118     FIELD(CFU_CTL, QWORD_CNT_RESET, 5, 1)
119     FIELD(CFU_CTL, CRC8_DISABLE, 4, 1)
120     FIELD(CFU_CTL, CRC32_CHECK, 3, 1)
121     FIELD(CFU_CTL, DECOMPRESS, 2, 1)
122     FIELD(CFU_CTL, SEU_GO, 1, 1)
123     FIELD(CFU_CTL, CFI_LOCAL_RESET, 0, 1)
124 REG32(CFU_CRAM_RW, 0x20)
125     FIELD(CFU_CRAM_RW, RFIFO_AFULL_DEPTH, 18, 9)
126     FIELD(CFU_CRAM_RW, RD_WAVE_CNT_LEFT, 12, 6)
127     FIELD(CFU_CRAM_RW, RD_WAVE_CNT, 6, 6)
128     FIELD(CFU_CRAM_RW, WR_WAVE_CNT, 0, 6)
129 REG32(CFU_MASK, 0x28)
130 REG32(CFU_CRC_EXPECT, 0x2c)
131 REG32(CFU_CFRAME_LEFT_T0, 0x60)
132     FIELD(CFU_CFRAME_LEFT_T0, NUM, 0, 20)
133 REG32(CFU_CFRAME_LEFT_T1, 0x64)
134     FIELD(CFU_CFRAME_LEFT_T1, NUM, 0, 20)
135 REG32(CFU_CFRAME_LEFT_T2, 0x68)
136     FIELD(CFU_CFRAME_LEFT_T2, NUM, 0, 20)
137 REG32(CFU_ROW_RANGE, 0x6c)
138     FIELD(CFU_ROW_RANGE, HALF_FSR, 5, 1)
139     FIELD(CFU_ROW_RANGE, NUM, 0, 5)
140 REG32(CFU_STATUS, 0x100)
141     FIELD(CFU_STATUS, SEU_WRITE_ERROR, 30, 1)
142     FIELD(CFU_STATUS, FRCNT_ERROR, 29, 1)
143     FIELD(CFU_STATUS, RSVD_ERROR, 28, 1)
144     FIELD(CFU_STATUS, FDRO_ERROR, 27, 1)
145     FIELD(CFU_STATUS, FDRI_ERROR, 26, 1)
146     FIELD(CFU_STATUS, FDRI_READ_ERROR, 25, 1)
147     FIELD(CFU_STATUS, READ_FDRI_ERROR, 24, 1)
148     FIELD(CFU_STATUS, READ_SFR_ERROR, 23, 1)
149     FIELD(CFU_STATUS, READ_STREAM_ERROR, 22, 1)
150     FIELD(CFU_STATUS, UNKNOWN_STREAM_PKT, 21, 1)
151     FIELD(CFU_STATUS, USR_GTS, 20, 1)
152     FIELD(CFU_STATUS, USR_GSR, 19, 1)
153     FIELD(CFU_STATUS, AXI_BAD_WSTRB, 18, 1)
154     FIELD(CFU_STATUS, AXI_BAD_AR_SIZE, 17, 1)
155     FIELD(CFU_STATUS, AXI_BAD_AW_SIZE, 16, 1)
156     FIELD(CFU_STATUS, AXI_BAD_ARADDR, 15, 1)
157     FIELD(CFU_STATUS, AXI_BAD_AWADDR, 14, 1)
158     FIELD(CFU_STATUS, SCAN_CLEAR_PASS, 13, 1)
159     FIELD(CFU_STATUS, HC_SEC_ERROR, 12, 1)
160     FIELD(CFU_STATUS, GHIGH_B_ISHIGH, 11, 1)
161     FIELD(CFU_STATUS, GHIGH_B_ISLOW, 10, 1)
162     FIELD(CFU_STATUS, GMC_B_ISHIGH, 9, 1)
163     FIELD(CFU_STATUS, GMC_B_ISLOW, 8, 1)
164     FIELD(CFU_STATUS, GPWRDWN_B_ISHIGH, 7, 1)
165     FIELD(CFU_STATUS, CFI_SEU_CRC_ERROR, 6, 1)
166     FIELD(CFU_STATUS, CFI_SEU_ECC_ERROR, 5, 1)
167     FIELD(CFU_STATUS, CFI_SEU_HEARTBEAT, 4, 1)
168     FIELD(CFU_STATUS, SCAN_CLEAR_DONE, 3, 1)
169     FIELD(CFU_STATUS, HC_COMPLETE, 2, 1)
170     FIELD(CFU_STATUS, CFI_CFRAME_BUSY, 1, 1)
171     FIELD(CFU_STATUS, CFU_STREAM_BUSY, 0, 1)
172 REG32(CFU_INTERNAL_STATUS, 0x104)
173     FIELD(CFU_INTERNAL_STATUS, SSI_EOS, 22, 1)
174     FIELD(CFU_INTERNAL_STATUS, SSI_GWE, 21, 1)
175     FIELD(CFU_INTERNAL_STATUS, RFIFO_EMPTY, 20, 1)
176     FIELD(CFU_INTERNAL_STATUS, RFIFO_FULL, 19, 1)
177     FIELD(CFU_INTERNAL_STATUS, SEL_SFR, 18, 1)
178     FIELD(CFU_INTERNAL_STATUS, STREAM_CFRAME, 17, 1)
179     FIELD(CFU_INTERNAL_STATUS, FDRI_PHASE, 16, 1)
180     FIELD(CFU_INTERNAL_STATUS, CFI_PIPE_EN, 15, 1)
181     FIELD(CFU_INTERNAL_STATUS, AWFIFO_DCNT, 10, 5)
182     FIELD(CFU_INTERNAL_STATUS, WFIFO_DCNT, 5, 5)
183     FIELD(CFU_INTERNAL_STATUS, REPAIR_BUSY, 4, 1)
184     FIELD(CFU_INTERNAL_STATUS, TRIMU_BUSY, 3, 1)
185     FIELD(CFU_INTERNAL_STATUS, TRIMB_BUSY, 2, 1)
186     FIELD(CFU_INTERNAL_STATUS, HCLEANR_BUSY, 1, 1)
187     FIELD(CFU_INTERNAL_STATUS, HCLEAN_BUSY, 0, 1)
188 REG32(CFU_QWORD_CNT, 0x108)
189 REG32(CFU_CRC_LIVE, 0x10c)
190 REG32(CFU_PENDING_READ_CNT, 0x110)
191     FIELD(CFU_PENDING_READ_CNT, NUM, 0, 25)
192 REG32(CFU_FDRI_CNT, 0x114)
193 REG32(CFU_ECO1, 0x118)
194 REG32(CFU_ECO2, 0x11c)
195 
196 #define R_MAX (R_CFU_ECO2 + 1)
197 
198 #define NUM_STREAM 2
199 #define WFIFO_SZ 4
200 
201 struct XlnxVersalCFUAPB {
202     SysBusDevice parent_obj;
203     MemoryRegion iomem;
204     MemoryRegion iomem_stream[NUM_STREAM];
205     qemu_irq irq_cfu_imr;
206 
207     /* 128-bit wfifo.  */
208     uint32_t wfifo[WFIFO_SZ];
209 
210     uint32_t regs[R_MAX];
211     RegisterInfo regs_info[R_MAX];
212 
213     uint8_t fdri_row_addr;
214 
215     struct {
216         XlnxCfiIf *cframe[15];
217     } cfg;
218 };
219 
220 
221 struct XlnxVersalCFUFDRO {
222     SysBusDevice parent_obj;
223     MemoryRegion iomem_fdro;
224 
225     Fifo32 fdro_data;
226 };
227 
228 struct XlnxVersalCFUSFR {
229     SysBusDevice parent_obj;
230     MemoryRegion iomem_sfr;
231 
232     /* 128-bit wfifo. */
233     uint32_t wfifo[WFIFO_SZ];
234 
235     struct {
236         XlnxVersalCFUAPB *cfu;
237     } cfg;
238 };
239 
240 /**
241  * This is a helper function for updating a CFI data write fifo, an array of 4
242  * uint32_t and 128 bits of data that are allowed to be written through 4
243  * sequential 32 bit accesses. After the last index has been written into the
244  * write fifo (wfifo), the data is copied to and returned in a secondary fifo
245  * provided to the function (wfifo_ret), and the write fifo is cleared
246  * (zeroized).
247  *
248  * @addr: the address used when calculating the wfifo array index to update
249  * @value: the value to write into the wfifo array
250  * @wfifo: the wfifo to update
251  * @wfifo_out: will return the wfifo data when all 128 bits have been written
252  *
253  * @return: true if all 128 bits have been updated.
254  */
255 bool update_wfifo(hwaddr addr, uint64_t value,
256                   uint32_t *wfifo, uint32_t *wfifo_ret);
257 
258 #endif
259