2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2009 QLogic Corporation
5 * See LICENSE.qla4xxx for copyright and licensing details.
7 #include <linux/delay.h>
13 #define MASK(n) DMA_BIT_MASK(n)
14 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff))
15 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff))
16 #define MS_WIN(addr) (addr & 0x0ffc0000)
17 #define QLA82XX_PCI_MN_2M (0)
18 #define QLA82XX_PCI_MS_2M (0x80000)
19 #define QLA82XX_PCI_OCM0_2M (0xc0000)
20 #define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800)
21 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
23 /* CRB window related */
24 #define CRB_BLK(off) ((off >> 20) & 0x3f)
25 #define CRB_SUBBLK(off) ((off >> 16) & 0xf)
26 #define CRB_WINDOW_2M (0x130060)
27 #define CRB_HI(off) ((qla4_8xxx_crb_hub_agt[CRB_BLK(off)] << 20) | \
29 #define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL)
30 #define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL)
31 #define CRB_INDIRECT_2M (0x1e0000UL)
33 static inline void __iomem *
34 qla4_8xxx_pci_base_offsetfset(struct scsi_qla_host *ha, unsigned long off)
36 if ((off < ha->first_page_group_end) &&
37 (off >= ha->first_page_group_start))
38 return (void __iomem *)(ha->nx_pcibase + off);
43 #define MAX_CRB_XFORM 60
44 static unsigned long crb_addr_xform[MAX_CRB_XFORM];
45 static int qla4_8xxx_crb_table_initialized;
47 #define qla4_8xxx_crb_addr_transform(name) \
48 (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \
49 QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20)
51 qla4_8xxx_crb_addr_transform_setup(void)
53 qla4_8xxx_crb_addr_transform(XDMA);
54 qla4_8xxx_crb_addr_transform(TIMR);
55 qla4_8xxx_crb_addr_transform(SRE);
56 qla4_8xxx_crb_addr_transform(SQN3);
57 qla4_8xxx_crb_addr_transform(SQN2);
58 qla4_8xxx_crb_addr_transform(SQN1);
59 qla4_8xxx_crb_addr_transform(SQN0);
60 qla4_8xxx_crb_addr_transform(SQS3);
61 qla4_8xxx_crb_addr_transform(SQS2);
62 qla4_8xxx_crb_addr_transform(SQS1);
63 qla4_8xxx_crb_addr_transform(SQS0);
64 qla4_8xxx_crb_addr_transform(RPMX7);
65 qla4_8xxx_crb_addr_transform(RPMX6);
66 qla4_8xxx_crb_addr_transform(RPMX5);
67 qla4_8xxx_crb_addr_transform(RPMX4);
68 qla4_8xxx_crb_addr_transform(RPMX3);
69 qla4_8xxx_crb_addr_transform(RPMX2);
70 qla4_8xxx_crb_addr_transform(RPMX1);
71 qla4_8xxx_crb_addr_transform(RPMX0);
72 qla4_8xxx_crb_addr_transform(ROMUSB);
73 qla4_8xxx_crb_addr_transform(SN);
74 qla4_8xxx_crb_addr_transform(QMN);
75 qla4_8xxx_crb_addr_transform(QMS);
76 qla4_8xxx_crb_addr_transform(PGNI);
77 qla4_8xxx_crb_addr_transform(PGND);
78 qla4_8xxx_crb_addr_transform(PGN3);
79 qla4_8xxx_crb_addr_transform(PGN2);
80 qla4_8xxx_crb_addr_transform(PGN1);
81 qla4_8xxx_crb_addr_transform(PGN0);
82 qla4_8xxx_crb_addr_transform(PGSI);
83 qla4_8xxx_crb_addr_transform(PGSD);
84 qla4_8xxx_crb_addr_transform(PGS3);
85 qla4_8xxx_crb_addr_transform(PGS2);
86 qla4_8xxx_crb_addr_transform(PGS1);
87 qla4_8xxx_crb_addr_transform(PGS0);
88 qla4_8xxx_crb_addr_transform(PS);
89 qla4_8xxx_crb_addr_transform(PH);
90 qla4_8xxx_crb_addr_transform(NIU);
91 qla4_8xxx_crb_addr_transform(I2Q);
92 qla4_8xxx_crb_addr_transform(EG);
93 qla4_8xxx_crb_addr_transform(MN);
94 qla4_8xxx_crb_addr_transform(MS);
95 qla4_8xxx_crb_addr_transform(CAS2);
96 qla4_8xxx_crb_addr_transform(CAS1);
97 qla4_8xxx_crb_addr_transform(CAS0);
98 qla4_8xxx_crb_addr_transform(CAM);
99 qla4_8xxx_crb_addr_transform(C2C1);
100 qla4_8xxx_crb_addr_transform(C2C0);
101 qla4_8xxx_crb_addr_transform(SMB);
102 qla4_8xxx_crb_addr_transform(OCM0);
103 qla4_8xxx_crb_addr_transform(I2C0);
105 qla4_8xxx_crb_table_initialized = 1;
108 static struct crb_128M_2M_block_map crb_128M_2M_map[64] = {
109 {{{0, 0, 0, 0} } }, /* 0: PCI */
110 {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */
111 {1, 0x0110000, 0x0120000, 0x130000},
112 {1, 0x0120000, 0x0122000, 0x124000},
113 {1, 0x0130000, 0x0132000, 0x126000},
114 {1, 0x0140000, 0x0142000, 0x128000},
115 {1, 0x0150000, 0x0152000, 0x12a000},
116 {1, 0x0160000, 0x0170000, 0x110000},
117 {1, 0x0170000, 0x0172000, 0x12e000},
118 {0, 0x0000000, 0x0000000, 0x000000},
119 {0, 0x0000000, 0x0000000, 0x000000},
120 {0, 0x0000000, 0x0000000, 0x000000},
121 {0, 0x0000000, 0x0000000, 0x000000},
122 {0, 0x0000000, 0x0000000, 0x000000},
123 {0, 0x0000000, 0x0000000, 0x000000},
124 {1, 0x01e0000, 0x01e0800, 0x122000},
125 {0, 0x0000000, 0x0000000, 0x000000} } },
126 {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
127 {{{0, 0, 0, 0} } }, /* 3: */
128 {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
129 {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */
130 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */
131 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */
132 {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */
133 {0, 0x0000000, 0x0000000, 0x000000},
134 {0, 0x0000000, 0x0000000, 0x000000},
135 {0, 0x0000000, 0x0000000, 0x000000},
136 {0, 0x0000000, 0x0000000, 0x000000},
137 {0, 0x0000000, 0x0000000, 0x000000},
138 {0, 0x0000000, 0x0000000, 0x000000},
139 {0, 0x0000000, 0x0000000, 0x000000},
140 {0, 0x0000000, 0x0000000, 0x000000},
141 {0, 0x0000000, 0x0000000, 0x000000},
142 {0, 0x0000000, 0x0000000, 0x000000},
143 {0, 0x0000000, 0x0000000, 0x000000},
144 {0, 0x0000000, 0x0000000, 0x000000},
145 {0, 0x0000000, 0x0000000, 0x000000},
146 {0, 0x0000000, 0x0000000, 0x000000},
147 {1, 0x08f0000, 0x08f2000, 0x172000} } },
148 {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/
149 {0, 0x0000000, 0x0000000, 0x000000},
150 {0, 0x0000000, 0x0000000, 0x000000},
151 {0, 0x0000000, 0x0000000, 0x000000},
152 {0, 0x0000000, 0x0000000, 0x000000},
153 {0, 0x0000000, 0x0000000, 0x000000},
154 {0, 0x0000000, 0x0000000, 0x000000},
155 {0, 0x0000000, 0x0000000, 0x000000},
156 {0, 0x0000000, 0x0000000, 0x000000},
157 {0, 0x0000000, 0x0000000, 0x000000},
158 {0, 0x0000000, 0x0000000, 0x000000},
159 {0, 0x0000000, 0x0000000, 0x000000},
160 {0, 0x0000000, 0x0000000, 0x000000},
161 {0, 0x0000000, 0x0000000, 0x000000},
162 {0, 0x0000000, 0x0000000, 0x000000},
163 {1, 0x09f0000, 0x09f2000, 0x176000} } },
164 {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/
165 {0, 0x0000000, 0x0000000, 0x000000},
166 {0, 0x0000000, 0x0000000, 0x000000},
167 {0, 0x0000000, 0x0000000, 0x000000},
168 {0, 0x0000000, 0x0000000, 0x000000},
169 {0, 0x0000000, 0x0000000, 0x000000},
170 {0, 0x0000000, 0x0000000, 0x000000},
171 {0, 0x0000000, 0x0000000, 0x000000},
172 {0, 0x0000000, 0x0000000, 0x000000},
173 {0, 0x0000000, 0x0000000, 0x000000},
174 {0, 0x0000000, 0x0000000, 0x000000},
175 {0, 0x0000000, 0x0000000, 0x000000},
176 {0, 0x0000000, 0x0000000, 0x000000},
177 {0, 0x0000000, 0x0000000, 0x000000},
178 {0, 0x0000000, 0x0000000, 0x000000},
179 {1, 0x0af0000, 0x0af2000, 0x17a000} } },
180 {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/
181 {0, 0x0000000, 0x0000000, 0x000000},
182 {0, 0x0000000, 0x0000000, 0x000000},
183 {0, 0x0000000, 0x0000000, 0x000000},
184 {0, 0x0000000, 0x0000000, 0x000000},
185 {0, 0x0000000, 0x0000000, 0x000000},
186 {0, 0x0000000, 0x0000000, 0x000000},
187 {0, 0x0000000, 0x0000000, 0x000000},
188 {0, 0x0000000, 0x0000000, 0x000000},
189 {0, 0x0000000, 0x0000000, 0x000000},
190 {0, 0x0000000, 0x0000000, 0x000000},
191 {0, 0x0000000, 0x0000000, 0x000000},
192 {0, 0x0000000, 0x0000000, 0x000000},
193 {0, 0x0000000, 0x0000000, 0x000000},
194 {0, 0x0000000, 0x0000000, 0x000000},
195 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
196 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
197 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
198 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
199 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
200 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
201 {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
202 {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
203 {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
204 {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
205 {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
206 {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
207 {{{0, 0, 0, 0} } }, /* 23: */
208 {{{0, 0, 0, 0} } }, /* 24: */
209 {{{0, 0, 0, 0} } }, /* 25: */
210 {{{0, 0, 0, 0} } }, /* 26: */
211 {{{0, 0, 0, 0} } }, /* 27: */
212 {{{0, 0, 0, 0} } }, /* 28: */
213 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
214 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
215 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
216 {{{0} } }, /* 32: PCI */
217 {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */
218 {1, 0x2110000, 0x2120000, 0x130000},
219 {1, 0x2120000, 0x2122000, 0x124000},
220 {1, 0x2130000, 0x2132000, 0x126000},
221 {1, 0x2140000, 0x2142000, 0x128000},
222 {1, 0x2150000, 0x2152000, 0x12a000},
223 {1, 0x2160000, 0x2170000, 0x110000},
224 {1, 0x2170000, 0x2172000, 0x12e000},
225 {0, 0x0000000, 0x0000000, 0x000000},
226 {0, 0x0000000, 0x0000000, 0x000000},
227 {0, 0x0000000, 0x0000000, 0x000000},
228 {0, 0x0000000, 0x0000000, 0x000000},
229 {0, 0x0000000, 0x0000000, 0x000000},
230 {0, 0x0000000, 0x0000000, 0x000000},
231 {0, 0x0000000, 0x0000000, 0x000000},
232 {0, 0x0000000, 0x0000000, 0x000000} } },
233 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
239 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
240 {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
241 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
242 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
243 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
244 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
245 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
246 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
247 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
248 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
249 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
250 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
252 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
253 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
254 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
255 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
256 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
257 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
258 {{{0} } }, /* 59: I2C0 */
259 {{{0} } }, /* 60: I2C1 */
260 {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } },/* 61: LPC */
261 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
262 {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */
266 * top 12 bits of crb internal address (hub, agent)
268 static unsigned qla4_8xxx_crb_hub_agt[64] = {
270 QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
271 QLA82XX_HW_CRB_HUB_AGT_ADR_MN,
272 QLA82XX_HW_CRB_HUB_AGT_ADR_MS,
274 QLA82XX_HW_CRB_HUB_AGT_ADR_SRE,
275 QLA82XX_HW_CRB_HUB_AGT_ADR_NIU,
276 QLA82XX_HW_CRB_HUB_AGT_ADR_QMN,
277 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0,
278 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1,
279 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2,
280 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3,
281 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
282 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
283 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
284 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4,
285 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
286 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0,
287 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1,
288 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2,
289 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3,
290 QLA82XX_HW_CRB_HUB_AGT_ADR_PGND,
291 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI,
292 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0,
293 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1,
294 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2,
295 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3,
297 QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI,
298 QLA82XX_HW_CRB_HUB_AGT_ADR_SN,
300 QLA82XX_HW_CRB_HUB_AGT_ADR_EG,
302 QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
303 QLA82XX_HW_CRB_HUB_AGT_ADR_CAM,
309 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
311 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1,
312 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2,
313 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3,
314 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4,
315 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5,
316 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6,
317 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7,
318 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
319 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
320 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
322 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0,
323 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8,
324 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9,
325 QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0,
327 QLA82XX_HW_CRB_HUB_AGT_ADR_SMB,
328 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0,
329 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1,
331 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC,
336 static char *qdev_state[] = {
348 * In: 'off' is offset from CRB space in 128M pci map
349 * Out: 'off' is 2M pci map addr
350 * side effect: lock crb window
353 qla4_8xxx_pci_set_crbwindow_2M(struct scsi_qla_host *ha, ulong *off)
357 ha->crb_win = CRB_HI(*off);
359 (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
361 /* Read back value to make sure write has gone through before trying
363 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
364 if (win_read != ha->crb_win) {
365 DEBUG2(ql4_printk(KERN_INFO, ha,
366 "%s: Written crbwin (0x%x) != Read crbwin (0x%x),"
367 " off=0x%lx\n", __func__, ha->crb_win, win_read, *off));
369 *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase;
373 qla4_8xxx_wr_32(struct scsi_qla_host *ha, ulong off, u32 data)
375 unsigned long flags = 0;
378 rv = qla4_8xxx_pci_get_crb_addr_2M(ha, &off);
383 write_lock_irqsave(&ha->hw_lock, flags);
384 qla4_8xxx_crb_win_lock(ha);
385 qla4_8xxx_pci_set_crbwindow_2M(ha, &off);
388 writel(data, (void __iomem *)off);
391 qla4_8xxx_crb_win_unlock(ha);
392 write_unlock_irqrestore(&ha->hw_lock, flags);
397 qla4_8xxx_rd_32(struct scsi_qla_host *ha, ulong off)
399 unsigned long flags = 0;
403 rv = qla4_8xxx_pci_get_crb_addr_2M(ha, &off);
408 write_lock_irqsave(&ha->hw_lock, flags);
409 qla4_8xxx_crb_win_lock(ha);
410 qla4_8xxx_pci_set_crbwindow_2M(ha, &off);
412 data = readl((void __iomem *)off);
415 qla4_8xxx_crb_win_unlock(ha);
416 write_unlock_irqrestore(&ha->hw_lock, flags);
421 #define CRB_WIN_LOCK_TIMEOUT 100000000
423 int qla4_8xxx_crb_win_lock(struct scsi_qla_host *ha)
426 int done = 0, timeout = 0;
429 /* acquire semaphore3 from PCI HW block */
430 done = qla4_8xxx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK));
433 if (timeout >= CRB_WIN_LOCK_TIMEOUT)
442 for (i = 0; i < 20; i++)
443 cpu_relax(); /*This a nop instr on i386*/
446 qla4_8xxx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->func_num);
450 void qla4_8xxx_crb_win_unlock(struct scsi_qla_host *ha)
452 qla4_8xxx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
455 #define IDC_LOCK_TIMEOUT 100000000
458 * qla4_8xxx_idc_lock - hw_lock
459 * @ha: pointer to adapter structure
461 * General purpose lock used to synchronize access to
462 * CRB_DEV_STATE, CRB_DEV_REF_COUNT, etc.
464 int qla4_8xxx_idc_lock(struct scsi_qla_host *ha)
467 int done = 0, timeout = 0;
470 /* acquire semaphore5 from PCI HW block */
471 done = qla4_8xxx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK));
474 if (timeout >= IDC_LOCK_TIMEOUT)
483 for (i = 0; i < 20; i++)
484 cpu_relax(); /*This a nop instr on i386*/
490 void qla4_8xxx_idc_unlock(struct scsi_qla_host *ha)
492 qla4_8xxx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK));
496 qla4_8xxx_pci_get_crb_addr_2M(struct scsi_qla_host *ha, ulong *off)
498 struct crb_128M_2M_sub_block_map *m;
500 if (*off >= QLA82XX_CRB_MAX)
503 if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) {
504 *off = (*off - QLA82XX_PCI_CAMQM) +
505 QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase;
509 if (*off < QLA82XX_PCI_CRBSPACE)
512 *off -= QLA82XX_PCI_CRBSPACE;
517 m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
519 if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) {
520 *off = *off + m->start_2M - m->start_128M + ha->nx_pcibase;
525 * Not in direct map, use crb window
530 /* PCI Windowing for DDR regions. */
531 #define QLA82XX_ADDR_IN_RANGE(addr, low, high) \
532 (((addr) <= (high)) && ((addr) >= (low)))
535 * check memory access boundary.
536 * used by test agent. support ddr access only for now
539 qla4_8xxx_pci_mem_bound_check(struct scsi_qla_host *ha,
540 unsigned long long addr, int size)
542 if (!QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
543 QLA82XX_ADDR_DDR_NET_MAX) ||
544 !QLA82XX_ADDR_IN_RANGE(addr + size - 1,
545 QLA82XX_ADDR_DDR_NET, QLA82XX_ADDR_DDR_NET_MAX) ||
546 ((size != 1) && (size != 2) && (size != 4) && (size != 8))) {
552 static int qla4_8xxx_pci_set_window_warning_count;
555 qla4_8xxx_pci_set_window(struct scsi_qla_host *ha, unsigned long long addr)
560 if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
561 QLA82XX_ADDR_DDR_NET_MAX)) {
562 /* DDR network side */
563 window = MN_WIN(addr);
564 ha->ddr_mn_window = window;
565 qla4_8xxx_wr_32(ha, ha->mn_win_crb |
566 QLA82XX_PCI_CRBSPACE, window);
567 win_read = qla4_8xxx_rd_32(ha, ha->mn_win_crb |
568 QLA82XX_PCI_CRBSPACE);
569 if ((win_read << 17) != window) {
570 ql4_printk(KERN_WARNING, ha,
571 "%s: Written MNwin (0x%x) != Read MNwin (0x%x)\n",
572 __func__, window, win_read);
574 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET;
575 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
576 QLA82XX_ADDR_OCM0_MAX)) {
578 /* if bits 19:18&17:11 are on */
579 if ((addr & 0x00ff800) == 0xff800) {
580 printk("%s: QM access not handled.\n", __func__);
584 window = OCM_WIN(addr);
585 ha->ddr_mn_window = window;
586 qla4_8xxx_wr_32(ha, ha->mn_win_crb |
587 QLA82XX_PCI_CRBSPACE, window);
588 win_read = qla4_8xxx_rd_32(ha, ha->mn_win_crb |
589 QLA82XX_PCI_CRBSPACE);
590 temp1 = ((window & 0x1FF) << 7) |
591 ((window & 0x0FFFE0000) >> 17);
592 if (win_read != temp1) {
593 printk("%s: Written OCMwin (0x%x) != Read"
594 " OCMwin (0x%x)\n", __func__, temp1, win_read);
596 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M;
598 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET,
599 QLA82XX_P3_ADDR_QDR_NET_MAX)) {
600 /* QDR network side */
601 window = MS_WIN(addr);
602 ha->qdr_sn_window = window;
603 qla4_8xxx_wr_32(ha, ha->ms_win_crb |
604 QLA82XX_PCI_CRBSPACE, window);
605 win_read = qla4_8xxx_rd_32(ha,
606 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE);
607 if (win_read != window) {
608 printk("%s: Written MSwin (0x%x) != Read "
609 "MSwin (0x%x)\n", __func__, window, win_read);
611 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET;
615 * peg gdb frequently accesses memory that doesn't exist,
616 * this limits the chit chat so debugging isn't slowed down.
618 if ((qla4_8xxx_pci_set_window_warning_count++ < 8) ||
619 (qla4_8xxx_pci_set_window_warning_count%64 == 0)) {
620 printk("%s: Warning:%s Unknown address range!\n",
621 __func__, DRIVER_NAME);
628 /* check if address is in the same windows as the previous access */
629 static int qla4_8xxx_pci_is_same_window(struct scsi_qla_host *ha,
630 unsigned long long addr)
633 unsigned long long qdr_max;
635 qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX;
637 if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
638 QLA82XX_ADDR_DDR_NET_MAX)) {
639 /* DDR network side */
640 BUG(); /* MN access can not come here */
641 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
642 QLA82XX_ADDR_OCM0_MAX)) {
644 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM1,
645 QLA82XX_ADDR_OCM1_MAX)) {
647 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET,
649 /* QDR network side */
650 window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f;
651 if (ha->qdr_sn_window == window)
658 static int qla4_8xxx_pci_mem_read_direct(struct scsi_qla_host *ha,
659 u64 off, void *data, int size)
665 void __iomem *mem_ptr = NULL;
666 unsigned long mem_base;
667 unsigned long mem_page;
669 write_lock_irqsave(&ha->hw_lock, flags);
672 * If attempting to access unknown address or straddle hw windows,
675 start = qla4_8xxx_pci_set_window(ha, off);
676 if ((start == -1UL) ||
677 (qla4_8xxx_pci_is_same_window(ha, off + size - 1) == 0)) {
678 write_unlock_irqrestore(&ha->hw_lock, flags);
679 printk(KERN_ERR"%s out of bound pci memory access. "
680 "offset is 0x%llx\n", DRIVER_NAME, off);
684 addr = qla4_8xxx_pci_base_offsetfset(ha, start);
686 write_unlock_irqrestore(&ha->hw_lock, flags);
687 mem_base = pci_resource_start(ha->pdev, 0);
688 mem_page = start & PAGE_MASK;
689 /* Map two pages whenever user tries to access addresses in two
692 if (mem_page != ((start + size - 1) & PAGE_MASK))
693 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
695 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
697 if (mem_ptr == NULL) {
702 addr += start & (PAGE_SIZE - 1);
703 write_lock_irqsave(&ha->hw_lock, flags);
708 *(u8 *)data = readb(addr);
711 *(u16 *)data = readw(addr);
714 *(u32 *)data = readl(addr);
717 *(u64 *)data = readq(addr);
723 write_unlock_irqrestore(&ha->hw_lock, flags);
731 qla4_8xxx_pci_mem_write_direct(struct scsi_qla_host *ha, u64 off,
732 void *data, int size)
738 void __iomem *mem_ptr = NULL;
739 unsigned long mem_base;
740 unsigned long mem_page;
742 write_lock_irqsave(&ha->hw_lock, flags);
745 * If attempting to access unknown address or straddle hw windows,
748 start = qla4_8xxx_pci_set_window(ha, off);
749 if ((start == -1UL) ||
750 (qla4_8xxx_pci_is_same_window(ha, off + size - 1) == 0)) {
751 write_unlock_irqrestore(&ha->hw_lock, flags);
752 printk(KERN_ERR"%s out of bound pci memory access. "
753 "offset is 0x%llx\n", DRIVER_NAME, off);
757 addr = qla4_8xxx_pci_base_offsetfset(ha, start);
759 write_unlock_irqrestore(&ha->hw_lock, flags);
760 mem_base = pci_resource_start(ha->pdev, 0);
761 mem_page = start & PAGE_MASK;
762 /* Map two pages whenever user tries to access addresses in two
765 if (mem_page != ((start + size - 1) & PAGE_MASK))
766 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
768 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
773 addr += start & (PAGE_SIZE - 1);
774 write_lock_irqsave(&ha->hw_lock, flags);
779 writeb(*(u8 *)data, addr);
782 writew(*(u16 *)data, addr);
785 writel(*(u32 *)data, addr);
788 writeq(*(u64 *)data, addr);
794 write_unlock_irqrestore(&ha->hw_lock, flags);
800 #define MTU_FUDGE_FACTOR 100
803 qla4_8xxx_decode_crb_addr(unsigned long addr)
806 unsigned long base_addr, offset, pci_base;
808 if (!qla4_8xxx_crb_table_initialized)
809 qla4_8xxx_crb_addr_transform_setup();
811 pci_base = ADDR_ERROR;
812 base_addr = addr & 0xfff00000;
813 offset = addr & 0x000fffff;
815 for (i = 0; i < MAX_CRB_XFORM; i++) {
816 if (crb_addr_xform[i] == base_addr) {
821 if (pci_base == ADDR_ERROR)
824 return pci_base + offset;
827 static long rom_max_timeout = 100;
828 static long qla4_8xxx_rom_lock_timeout = 100;
831 qla4_8xxx_rom_lock(struct scsi_qla_host *ha)
834 int done = 0, timeout = 0;
837 /* acquire semaphore2 from PCI HW block */
839 done = qla4_8xxx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
842 if (timeout >= qla4_8xxx_rom_lock_timeout) {
843 ql4_printk(KERN_WARNING, ha,
844 "%s: Failed to acquire rom lock", __func__);
854 for (i = 0; i < 20; i++)
855 cpu_relax(); /*This a nop instr on i386*/
858 qla4_8xxx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER);
863 qla4_8xxx_rom_unlock(struct scsi_qla_host *ha)
865 qla4_8xxx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
869 qla4_8xxx_wait_rom_done(struct scsi_qla_host *ha)
875 done = qla4_8xxx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
878 if (timeout >= rom_max_timeout) {
879 printk("%s: Timeout reached waiting for rom done",
888 qla4_8xxx_do_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp)
890 qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
891 qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
892 qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
893 qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb);
894 if (qla4_8xxx_wait_rom_done(ha)) {
895 printk("%s: Error waiting for rom done\n", DRIVER_NAME);
898 /* reset abyte_cnt and dummy_byte_cnt */
899 qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
901 qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
903 *valp = qla4_8xxx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
908 qla4_8xxx_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp)
912 while ((qla4_8xxx_rom_lock(ha) != 0) && (loops < 50000)) {
916 if (loops >= 50000) {
917 printk("%s: qla4_8xxx_rom_lock failed\n", DRIVER_NAME);
920 ret = qla4_8xxx_do_rom_fast_read(ha, addr, valp);
921 qla4_8xxx_rom_unlock(ha);
926 * This routine does CRB initialize sequence
927 * to put the ISP into operational state
930 qla4_8xxx_pinit_from_rom(struct scsi_qla_host *ha, int verbose)
934 struct crb_addr_pair *buf;
938 struct crb_addr_pair {
943 /* Halt all the indiviual PEGs and other blocks of the ISP */
944 qla4_8xxx_rom_lock(ha);
945 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
946 /* don't reset CAM block on reset */
947 qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
949 qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
951 qla4_8xxx_rom_unlock(ha);
953 /* Read the signature value from the flash.
954 * Offset 0: Contain signature (0xcafecafe)
955 * Offset 4: Offset and number of addr/value pairs
956 * that present in CRB initialize sequence
958 if (qla4_8xxx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
959 qla4_8xxx_rom_fast_read(ha, 4, &n) != 0) {
960 ql4_printk(KERN_WARNING, ha,
961 "[ERROR] Reading crb_init area: n: %08x\n", n);
965 /* Offset in flash = lower 16 bits
966 * Number of enteries = upper 16 bits
968 offset = n & 0xffffU;
969 n = (n >> 16) & 0xffffU;
971 /* number of addr/value pair should not exceed 1024 enteries */
973 ql4_printk(KERN_WARNING, ha,
974 "%s: %s:n=0x%x [ERROR] Card flash not initialized.\n",
975 DRIVER_NAME, __func__, n);
979 ql4_printk(KERN_INFO, ha,
980 "%s: %d CRB init values found in ROM.\n", DRIVER_NAME, n);
982 buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL);
984 ql4_printk(KERN_WARNING, ha,
985 "%s: [ERROR] Unable to malloc memory.\n", DRIVER_NAME);
989 for (i = 0; i < n; i++) {
990 if (qla4_8xxx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 ||
991 qla4_8xxx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) !=
1001 for (i = 0; i < n; i++) {
1002 /* Translate internal CRB initialization
1003 * address to PCI bus address
1005 off = qla4_8xxx_decode_crb_addr((unsigned long)buf[i].addr) +
1006 QLA82XX_PCI_CRBSPACE;
1007 /* Not all CRB addr/value pair to be written,
1008 * some of them are skipped
1011 /* skip if LS bit is set*/
1013 DEBUG2(ql4_printk(KERN_WARNING, ha,
1014 "Skip CRB init replay for offset = 0x%lx\n", off));
1018 /* skipping cold reboot MAGIC */
1019 if (off == QLA82XX_CAM_RAM(0x1fc))
1022 /* do not reset PCI */
1023 if (off == (ROMUSB_GLB + 0xbc))
1026 /* skip core clock, so that firmware can increase the clock */
1027 if (off == (ROMUSB_GLB + 0xc8))
1030 /* skip the function enable register */
1031 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION))
1034 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2))
1037 if ((off & 0x0ff00000) == QLA82XX_CRB_SMB)
1040 if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET)
1043 if (off == ADDR_ERROR) {
1044 ql4_printk(KERN_WARNING, ha,
1045 "%s: [ERROR] Unknown addr: 0x%08lx\n",
1046 DRIVER_NAME, buf[i].addr);
1050 qla4_8xxx_wr_32(ha, off, buf[i].data);
1052 /* ISP requires much bigger delay to settle down,
1053 * else crb_window returns 0xffffffff
1055 if (off == QLA82XX_ROMUSB_GLB_SW_RESET)
1058 /* ISP requires millisec delay between
1059 * successive CRB register updation
1066 /* Resetting the data and instruction cache */
1067 qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e);
1068 qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8);
1069 qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8);
1071 /* Clear all protocol processing engines */
1072 qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0);
1073 qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0);
1074 qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0);
1075 qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0);
1076 qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0);
1077 qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0);
1078 qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0);
1079 qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0);
1085 qla4_8xxx_load_from_flash(struct scsi_qla_host *ha, uint32_t image_start)
1089 long flashaddr, memaddr;
1093 flashaddr = memaddr = ha->hw.flt_region_bootload;
1094 size = (image_start - flashaddr)/8;
1096 DEBUG2(printk("scsi%ld: %s: bootldr=0x%lx, fw_image=0x%x\n",
1097 ha->host_no, __func__, flashaddr, image_start));
1099 for (i = 0; i < size; i++) {
1100 if ((qla4_8xxx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
1101 (qla4_8xxx_rom_fast_read(ha, flashaddr + 4,
1105 data = ((u64)high << 32) | low ;
1106 qla4_8xxx_pci_mem_write_2M(ha, memaddr, &data, 8);
1117 read_lock(&ha->hw_lock);
1118 qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1119 qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
1120 read_unlock(&ha->hw_lock);
1125 static int qla4_8xxx_load_fw(struct scsi_qla_host *ha, uint32_t image_start)
1129 qla4_8xxx_wr_32(ha, CRB_CMDPEG_STATE, 0);
1130 if (qla4_8xxx_pinit_from_rom(ha, 0) != QLA_SUCCESS) {
1131 printk(KERN_WARNING "%s: Error during CRB Initialization\n",
1138 /* at this point, QM is in reset. This could be a problem if there are
1139 * incoming d* transition queue messages. QM/PCIE could wedge.
1140 * To get around this, QM is brought out of reset.
1143 rst = qla4_8xxx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET);
1146 qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst);
1148 if (qla4_8xxx_load_from_flash(ha, image_start)) {
1149 printk("%s: Error trying to load fw from flash!\n", __func__);
1157 qla4_8xxx_pci_mem_read_2M(struct scsi_qla_host *ha,
1158 u64 off, void *data, int size)
1160 int i, j = 0, k, start, end, loop, sz[2], off0[2];
1163 uint64_t off8, val, mem_crb, word[2] = {0, 0};
1166 * If not MN, go check for MS or invalid.
1169 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1170 mem_crb = QLA82XX_CRB_QDR_NET;
1172 mem_crb = QLA82XX_CRB_DDR_NET;
1173 if (qla4_8xxx_pci_mem_bound_check(ha, off, size) == 0)
1174 return qla4_8xxx_pci_mem_read_direct(ha,
1179 off8 = off & 0xfffffff0;
1180 off0[0] = off & 0xf;
1181 sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]);
1184 loop = ((off0[0] + size - 1) >> shift_amount) + 1;
1186 sz[1] = size - sz[0];
1188 for (i = 0; i < loop; i++) {
1189 temp = off8 + (i << shift_amount);
1190 qla4_8xxx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
1192 qla4_8xxx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
1193 temp = MIU_TA_CTL_ENABLE;
1194 qla4_8xxx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1195 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
1196 qla4_8xxx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1198 for (j = 0; j < MAX_CTL_CHECK; j++) {
1199 temp = qla4_8xxx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1200 if ((temp & MIU_TA_CTL_BUSY) == 0)
1204 if (j >= MAX_CTL_CHECK) {
1205 if (printk_ratelimit())
1206 ql4_printk(KERN_ERR, ha,
1207 "failed to read through agent\n");
1211 start = off0[i] >> 2;
1212 end = (off0[i] + sz[i] - 1) >> 2;
1213 for (k = start; k <= end; k++) {
1214 temp = qla4_8xxx_rd_32(ha,
1215 mem_crb + MIU_TEST_AGT_RDDATA(k));
1216 word[i] |= ((uint64_t)temp << (32 * (k & 1)));
1220 if (j >= MAX_CTL_CHECK)
1223 if ((off0[0] & 7) == 0) {
1226 val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
1227 ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
1232 *(uint8_t *)data = val;
1235 *(uint16_t *)data = val;
1238 *(uint32_t *)data = val;
1241 *(uint64_t *)data = val;
1248 qla4_8xxx_pci_mem_write_2M(struct scsi_qla_host *ha,
1249 u64 off, void *data, int size)
1251 int i, j, ret = 0, loop, sz[2], off0;
1252 int scale, shift_amount, startword;
1254 uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
1257 * If not MN, go check for MS or invalid.
1259 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1260 mem_crb = QLA82XX_CRB_QDR_NET;
1262 mem_crb = QLA82XX_CRB_DDR_NET;
1263 if (qla4_8xxx_pci_mem_bound_check(ha, off, size) == 0)
1264 return qla4_8xxx_pci_mem_write_direct(ha,
1269 sz[0] = (size < (8 - off0)) ? size : (8 - off0);
1270 sz[1] = size - sz[0];
1272 off8 = off & 0xfffffff0;
1273 loop = (((off & 0xf) + size - 1) >> 4) + 1;
1276 startword = (off & 0xf)/8;
1278 for (i = 0; i < loop; i++) {
1279 if (qla4_8xxx_pci_mem_read_2M(ha, off8 +
1280 (i << shift_amount), &word[i * scale], 8))
1286 tmpw = *((uint8_t *)data);
1289 tmpw = *((uint16_t *)data);
1292 tmpw = *((uint32_t *)data);
1296 tmpw = *((uint64_t *)data);
1301 word[startword] = tmpw;
1304 ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
1305 word[startword] |= tmpw << (off0 * 8);
1309 word[startword+1] &= ~(~0ULL << (sz[1] * 8));
1310 word[startword+1] |= tmpw >> (sz[0] * 8);
1313 for (i = 0; i < loop; i++) {
1314 temp = off8 + (i << shift_amount);
1315 qla4_8xxx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
1317 qla4_8xxx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
1318 temp = word[i * scale] & 0xffffffff;
1319 qla4_8xxx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
1320 temp = (word[i * scale] >> 32) & 0xffffffff;
1321 qla4_8xxx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
1322 temp = word[i*scale + 1] & 0xffffffff;
1323 qla4_8xxx_wr_32(ha, mem_crb + MIU_TEST_AGT_WRDATA_UPPER_LO,
1325 temp = (word[i*scale + 1] >> 32) & 0xffffffff;
1326 qla4_8xxx_wr_32(ha, mem_crb + MIU_TEST_AGT_WRDATA_UPPER_HI,
1329 temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1330 qla4_8xxx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp);
1331 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1332 qla4_8xxx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp);
1334 for (j = 0; j < MAX_CTL_CHECK; j++) {
1335 temp = qla4_8xxx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1336 if ((temp & MIU_TA_CTL_BUSY) == 0)
1340 if (j >= MAX_CTL_CHECK) {
1341 if (printk_ratelimit())
1342 ql4_printk(KERN_ERR, ha,
1343 "failed to write through agent\n");
1352 static int qla4_8xxx_cmdpeg_ready(struct scsi_qla_host *ha, int pegtune_val)
1359 val = qla4_8xxx_rd_32(ha, CRB_CMDPEG_STATE);
1360 if ((val == PHAN_INITIALIZE_COMPLETE) ||
1361 (val == PHAN_INITIALIZE_ACK))
1363 set_current_state(TASK_UNINTERRUPTIBLE);
1364 schedule_timeout(500);
1366 } while (--retries);
1369 pegtune_val = qla4_8xxx_rd_32(ha,
1370 QLA82XX_ROMUSB_GLB_PEGTUNE_DONE);
1371 printk(KERN_WARNING "%s: init failed, "
1372 "pegtune_val = %x\n", __func__, pegtune_val);
1379 static int qla4_8xxx_rcvpeg_ready(struct scsi_qla_host *ha)
1385 read_lock(&ha->hw_lock);
1386 state = qla4_8xxx_rd_32(ha, CRB_RCVPEG_STATE);
1387 read_unlock(&ha->hw_lock);
1389 while ((state != PHAN_PEG_RCV_INITIALIZED) && (loops < 30000)) {
1392 read_lock(&ha->hw_lock);
1393 state = qla4_8xxx_rd_32(ha, CRB_RCVPEG_STATE);
1394 read_unlock(&ha->hw_lock);
1399 if (loops >= 30000) {
1400 DEBUG2(ql4_printk(KERN_INFO, ha,
1401 "Receive Peg initialization not complete: 0x%x.\n", state));
1409 qla4_8xxx_set_drv_active(struct scsi_qla_host *ha)
1411 uint32_t drv_active;
1413 drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
1414 drv_active |= (1 << (ha->func_num * 4));
1415 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
1419 qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha)
1421 uint32_t drv_active;
1423 drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
1424 drv_active &= ~(1 << (ha->func_num * 4));
1425 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
1429 qla4_8xxx_need_reset(struct scsi_qla_host *ha)
1431 uint32_t drv_state, drv_active;
1434 drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
1435 drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
1436 rval = drv_state & (1 << (ha->func_num * 4));
1437 if ((test_bit(AF_EEH_BUSY, &ha->flags)) && drv_active)
1444 qla4_8xxx_set_rst_ready(struct scsi_qla_host *ha)
1448 drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
1449 drv_state |= (1 << (ha->func_num * 4));
1450 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
1454 qla4_8xxx_clear_rst_ready(struct scsi_qla_host *ha)
1458 drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
1459 drv_state &= ~(1 << (ha->func_num * 4));
1460 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
1464 qla4_8xxx_set_qsnt_ready(struct scsi_qla_host *ha)
1466 uint32_t qsnt_state;
1468 qsnt_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
1469 qsnt_state |= (2 << (ha->func_num * 4));
1470 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
1475 qla4_8xxx_start_firmware(struct scsi_qla_host *ha, uint32_t image_start)
1480 /* scrub dma mask expansion register */
1481 qla4_8xxx_wr_32(ha, CRB_DMA_SHIFT, 0x55555555);
1483 /* Overwrite stale initialization register values */
1484 qla4_8xxx_wr_32(ha, CRB_CMDPEG_STATE, 0);
1485 qla4_8xxx_wr_32(ha, CRB_RCVPEG_STATE, 0);
1486 qla4_8xxx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0);
1487 qla4_8xxx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0);
1489 if (qla4_8xxx_load_fw(ha, image_start) != QLA_SUCCESS) {
1490 printk("%s: Error trying to start fw!\n", __func__);
1494 /* Handshake with the card before we register the devices. */
1495 if (qla4_8xxx_cmdpeg_ready(ha, 0) != QLA_SUCCESS) {
1496 printk("%s: Error during card handshake!\n", __func__);
1500 /* Negotiated Link width */
1501 pcie_cap = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
1502 pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk);
1503 ha->link_width = (lnk >> 4) & 0x3f;
1505 /* Synchronize with Receive peg */
1506 return qla4_8xxx_rcvpeg_ready(ha);
1510 qla4_8xxx_try_start_fw(struct scsi_qla_host *ha)
1512 int rval = QLA_ERROR;
1516 * 1) Operational firmware residing in flash.
1520 ql4_printk(KERN_INFO, ha,
1521 "FW: Retrieving flash offsets from FLT/FDT ...\n");
1522 rval = qla4_8xxx_get_flash_info(ha);
1523 if (rval != QLA_SUCCESS)
1526 ql4_printk(KERN_INFO, ha,
1527 "FW: Attempting to load firmware from flash...\n");
1528 rval = qla4_8xxx_start_firmware(ha, ha->hw.flt_region_fw);
1530 if (rval != QLA_SUCCESS) {
1531 ql4_printk(KERN_ERR, ha, "FW: Load firmware from flash"
1539 static void qla4_8xxx_rom_lock_recovery(struct scsi_qla_host *ha)
1541 if (qla4_8xxx_rom_lock(ha)) {
1542 /* Someone else is holding the lock. */
1543 dev_info(&ha->pdev->dev, "Resetting rom_lock\n");
1547 * Either we got the lock, or someone
1548 * else died while holding it.
1549 * In either case, unlock.
1551 qla4_8xxx_rom_unlock(ha);
1555 * qla4_8xxx_device_bootstrap - Initialize device, set DEV_READY, start fw
1556 * @ha: pointer to adapter structure
1558 * Note: IDC lock must be held upon entry
1561 qla4_8xxx_device_bootstrap(struct scsi_qla_host *ha)
1563 int rval = QLA_ERROR;
1565 uint32_t old_count, count;
1566 int need_reset = 0, peg_stuck = 1;
1568 need_reset = qla4_8xxx_need_reset(ha);
1570 old_count = qla4_8xxx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
1572 for (i = 0; i < 10; i++) {
1573 timeout = msleep_interruptible(200);
1575 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
1576 QLA82XX_DEV_FAILED);
1580 count = qla4_8xxx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
1581 if (count != old_count)
1586 /* We are trying to perform a recovery here. */
1588 qla4_8xxx_rom_lock_recovery(ha);
1589 goto dev_initialize;
1591 /* Start of day for this ha context. */
1593 /* Either we are the first or recovery in progress. */
1594 qla4_8xxx_rom_lock_recovery(ha);
1595 goto dev_initialize;
1597 /* Firmware already running. */
1604 /* set to DEV_INITIALIZING */
1605 ql4_printk(KERN_INFO, ha, "HW State: INITIALIZING\n");
1606 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_INITIALIZING);
1608 /* Driver that sets device state to initializating sets IDC version */
1609 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION);
1611 qla4_8xxx_idc_unlock(ha);
1612 rval = qla4_8xxx_try_start_fw(ha);
1613 qla4_8xxx_idc_lock(ha);
1615 if (rval != QLA_SUCCESS) {
1616 ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
1617 qla4_8xxx_clear_drv_active(ha);
1618 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_FAILED);
1623 ql4_printk(KERN_INFO, ha, "HW State: READY\n");
1624 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_READY);
1630 * qla4_8xxx_need_reset_handler - Code to start reset sequence
1631 * @ha: pointer to adapter structure
1633 * Note: IDC lock must be held upon entry
1636 qla4_8xxx_need_reset_handler(struct scsi_qla_host *ha)
1638 uint32_t dev_state, drv_state, drv_active;
1639 unsigned long reset_timeout;
1641 ql4_printk(KERN_INFO, ha,
1642 "Performing ISP error recovery\n");
1644 if (test_and_clear_bit(AF_ONLINE, &ha->flags)) {
1645 qla4_8xxx_idc_unlock(ha);
1646 ha->isp_ops->disable_intrs(ha);
1647 qla4_8xxx_idc_lock(ha);
1650 qla4_8xxx_set_rst_ready(ha);
1652 /* wait for 10 seconds for reset ack from all functions */
1653 reset_timeout = jiffies + (ha->nx_reset_timeout * HZ);
1655 drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
1656 drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
1658 ql4_printk(KERN_INFO, ha,
1659 "%s(%ld): drv_state = 0x%x, drv_active = 0x%x\n",
1660 __func__, ha->host_no, drv_state, drv_active);
1662 while (drv_state != drv_active) {
1663 if (time_after_eq(jiffies, reset_timeout)) {
1664 printk("%s: RESET TIMEOUT!\n", DRIVER_NAME);
1668 qla4_8xxx_idc_unlock(ha);
1670 qla4_8xxx_idc_lock(ha);
1672 drv_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
1673 drv_active = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
1676 dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
1677 ql4_printk(KERN_INFO, ha, "3:Device state is 0x%x = %s\n", dev_state,
1678 dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
1680 /* Force to DEV_COLD unless someone else is starting a reset */
1681 if (dev_state != QLA82XX_DEV_INITIALIZING) {
1682 ql4_printk(KERN_INFO, ha, "HW State: COLD/RE-INIT\n");
1683 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD);
1688 * qla4_8xxx_need_qsnt_handler - Code to start qsnt
1689 * @ha: pointer to adapter structure
1692 qla4_8xxx_need_qsnt_handler(struct scsi_qla_host *ha)
1694 qla4_8xxx_idc_lock(ha);
1695 qla4_8xxx_set_qsnt_ready(ha);
1696 qla4_8xxx_idc_unlock(ha);
1700 * qla4_8xxx_device_state_handler - Adapter state machine
1701 * @ha: pointer to host adapter structure.
1703 * Note: IDC lock must be UNLOCKED upon entry
1705 int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha)
1708 int rval = QLA_SUCCESS;
1709 unsigned long dev_init_timeout;
1711 if (!test_bit(AF_INIT_DONE, &ha->flags))
1712 qla4_8xxx_set_drv_active(ha);
1714 dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
1715 ql4_printk(KERN_INFO, ha, "1:Device state is 0x%x = %s\n", dev_state,
1716 dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
1718 /* wait for 30 seconds for device to go ready */
1719 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ);
1722 qla4_8xxx_idc_lock(ha);
1724 if (time_after_eq(jiffies, dev_init_timeout)) {
1725 ql4_printk(KERN_WARNING, ha, "Device init failed!\n");
1726 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
1727 QLA82XX_DEV_FAILED);
1730 dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
1731 ql4_printk(KERN_INFO, ha,
1732 "2:Device state is 0x%x = %s\n", dev_state,
1733 dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
1735 /* NOTE: Make sure idc unlocked upon exit of switch statement */
1736 switch (dev_state) {
1737 case QLA82XX_DEV_READY:
1738 qla4_8xxx_idc_unlock(ha);
1740 case QLA82XX_DEV_COLD:
1741 rval = qla4_8xxx_device_bootstrap(ha);
1742 qla4_8xxx_idc_unlock(ha);
1744 case QLA82XX_DEV_INITIALIZING:
1745 qla4_8xxx_idc_unlock(ha);
1748 case QLA82XX_DEV_NEED_RESET:
1749 if (!ql4xdontresethba) {
1750 qla4_8xxx_need_reset_handler(ha);
1751 /* Update timeout value after need
1753 dev_init_timeout = jiffies +
1754 (ha->nx_dev_init_timeout * HZ);
1756 qla4_8xxx_idc_unlock(ha);
1758 case QLA82XX_DEV_NEED_QUIESCENT:
1759 qla4_8xxx_idc_unlock(ha);
1760 /* idc locked/unlocked in handler */
1761 qla4_8xxx_need_qsnt_handler(ha);
1762 qla4_8xxx_idc_lock(ha);
1763 /* fall thru needs idc_locked */
1764 case QLA82XX_DEV_QUIESCENT:
1765 qla4_8xxx_idc_unlock(ha);
1768 case QLA82XX_DEV_FAILED:
1769 qla4_8xxx_idc_unlock(ha);
1770 qla4xxx_dead_adapter_cleanup(ha);
1774 qla4_8xxx_idc_unlock(ha);
1775 qla4xxx_dead_adapter_cleanup(ha);
1784 int qla4_8xxx_load_risc(struct scsi_qla_host *ha)
1787 retval = qla4_8xxx_device_state_handler(ha);
1789 if (retval == QLA_SUCCESS && !test_bit(AF_INIT_DONE, &ha->flags))
1790 retval = qla4xxx_request_irqs(ha);
1795 /*****************************************************************************/
1796 /* Flash Manipulation Routines */
1797 /*****************************************************************************/
1799 #define OPTROM_BURST_SIZE 0x1000
1800 #define OPTROM_BURST_DWORDS (OPTROM_BURST_SIZE / 4)
1802 #define FARX_DATA_FLAG BIT_31
1803 #define FARX_ACCESS_FLASH_CONF 0x7FFD0000
1804 #define FARX_ACCESS_FLASH_DATA 0x7FF00000
1806 static inline uint32_t
1807 flash_conf_addr(struct ql82xx_hw_data *hw, uint32_t faddr)
1809 return hw->flash_conf_off | faddr;
1812 static inline uint32_t
1813 flash_data_addr(struct ql82xx_hw_data *hw, uint32_t faddr)
1815 return hw->flash_data_off | faddr;
1819 qla4_8xxx_read_flash_data(struct scsi_qla_host *ha, uint32_t *dwptr,
1820 uint32_t faddr, uint32_t length)
1825 while ((qla4_8xxx_rom_lock(ha) != 0) && (loops < 50000)) {
1830 if (loops >= 50000) {
1831 ql4_printk(KERN_WARNING, ha, "ROM lock failed\n");
1835 /* Dword reads to flash. */
1836 for (i = 0; i < length/4; i++, faddr += 4) {
1837 if (qla4_8xxx_do_rom_fast_read(ha, faddr, &val)) {
1838 ql4_printk(KERN_WARNING, ha,
1839 "Do ROM fast read failed\n");
1842 dwptr[i] = __constant_cpu_to_le32(val);
1846 qla4_8xxx_rom_unlock(ha);
1851 * Address and length are byte address
1854 qla4_8xxx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
1855 uint32_t offset, uint32_t length)
1857 qla4_8xxx_read_flash_data(ha, (uint32_t *)buf, offset, length);
1862 qla4_8xxx_find_flt_start(struct scsi_qla_host *ha, uint32_t *start)
1864 const char *loc, *locations[] = { "DEF", "PCI" };
1867 * FLT-location structure resides after the last PCI region.
1870 /* Begin with sane defaults. */
1872 *start = FA_FLASH_LAYOUT_ADDR_82;
1874 DEBUG2(ql4_printk(KERN_INFO, ha, "FLTL[%s] = 0x%x.\n", loc, *start));
1879 qla4_8xxx_get_flt_info(struct scsi_qla_host *ha, uint32_t flt_addr)
1881 const char *loc, *locations[] = { "DEF", "FLT" };
1883 uint16_t cnt, chksum;
1885 struct qla_flt_header *flt;
1886 struct qla_flt_region *region;
1887 struct ql82xx_hw_data *hw = &ha->hw;
1889 hw->flt_region_flt = flt_addr;
1890 wptr = (uint16_t *)ha->request_ring;
1891 flt = (struct qla_flt_header *)ha->request_ring;
1892 region = (struct qla_flt_region *)&flt[1];
1893 qla4_8xxx_read_optrom_data(ha, (uint8_t *)ha->request_ring,
1894 flt_addr << 2, OPTROM_BURST_SIZE);
1895 if (*wptr == __constant_cpu_to_le16(0xffff))
1897 if (flt->version != __constant_cpu_to_le16(1)) {
1898 DEBUG2(ql4_printk(KERN_INFO, ha, "Unsupported FLT detected: "
1899 "version=0x%x length=0x%x checksum=0x%x.\n",
1900 le16_to_cpu(flt->version), le16_to_cpu(flt->length),
1901 le16_to_cpu(flt->checksum)));
1905 cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1;
1906 for (chksum = 0; cnt; cnt--)
1907 chksum += le16_to_cpu(*wptr++);
1909 DEBUG2(ql4_printk(KERN_INFO, ha, "Inconsistent FLT detected: "
1910 "version=0x%x length=0x%x checksum=0x%x.\n",
1911 le16_to_cpu(flt->version), le16_to_cpu(flt->length),
1917 cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
1918 for ( ; cnt; cnt--, region++) {
1919 /* Store addresses as DWORD offsets. */
1920 start = le32_to_cpu(region->start) >> 2;
1922 DEBUG3(ql4_printk(KERN_DEBUG, ha, "FLT[%02x]: start=0x%x "
1923 "end=0x%x size=0x%x.\n", le32_to_cpu(region->code), start,
1924 le32_to_cpu(region->end) >> 2, le32_to_cpu(region->size)));
1926 switch (le32_to_cpu(region->code) & 0xff) {
1928 hw->flt_region_fdt = start;
1930 case FLT_REG_BOOT_CODE_82:
1931 hw->flt_region_boot = start;
1934 hw->flt_region_fw = start;
1936 case FLT_REG_BOOTLOAD_82:
1937 hw->flt_region_bootload = start;
1944 /* Use hardcoded defaults. */
1947 hw->flt_region_fdt = FA_FLASH_DESCR_ADDR_82;
1948 hw->flt_region_boot = FA_BOOT_CODE_ADDR_82;
1949 hw->flt_region_bootload = FA_BOOT_LOAD_ADDR_82;
1950 hw->flt_region_fw = FA_RISC_CODE_ADDR_82;
1952 DEBUG2(ql4_printk(KERN_INFO, ha, "FLT[%s]: flt=0x%x fdt=0x%x "
1953 "boot=0x%x bootload=0x%x fw=0x%x\n", loc, hw->flt_region_flt,
1954 hw->flt_region_fdt, hw->flt_region_boot, hw->flt_region_bootload,
1955 hw->flt_region_fw));
1959 qla4_8xxx_get_fdt_info(struct scsi_qla_host *ha)
1961 #define FLASH_BLK_SIZE_4K 0x1000
1962 #define FLASH_BLK_SIZE_32K 0x8000
1963 #define FLASH_BLK_SIZE_64K 0x10000
1964 const char *loc, *locations[] = { "MID", "FDT" };
1965 uint16_t cnt, chksum;
1967 struct qla_fdt_layout *fdt;
1970 struct ql82xx_hw_data *hw = &ha->hw;
1972 hw->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1973 hw->flash_data_off = FARX_ACCESS_FLASH_DATA;
1975 wptr = (uint16_t *)ha->request_ring;
1976 fdt = (struct qla_fdt_layout *)ha->request_ring;
1977 qla4_8xxx_read_optrom_data(ha, (uint8_t *)ha->request_ring,
1978 hw->flt_region_fdt << 2, OPTROM_BURST_SIZE);
1980 if (*wptr == __constant_cpu_to_le16(0xffff))
1983 if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
1987 for (cnt = 0, chksum = 0; cnt < sizeof(struct qla_fdt_layout) >> 1;
1989 chksum += le16_to_cpu(*wptr++);
1992 DEBUG2(ql4_printk(KERN_INFO, ha, "Inconsistent FDT detected: "
1993 "checksum=0x%x id=%c version=0x%x.\n", chksum, fdt->sig[0],
1994 le16_to_cpu(fdt->version)));
1999 mid = le16_to_cpu(fdt->man_id);
2000 fid = le16_to_cpu(fdt->id);
2001 hw->fdt_wrt_disable = fdt->wrt_disable_bits;
2002 hw->fdt_erase_cmd = flash_conf_addr(hw, 0x0300 | fdt->erase_cmd);
2003 hw->fdt_block_size = le32_to_cpu(fdt->block_size);
2005 if (fdt->unprotect_sec_cmd) {
2006 hw->fdt_unprotect_sec_cmd = flash_conf_addr(hw, 0x0300 |
2007 fdt->unprotect_sec_cmd);
2008 hw->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
2009 flash_conf_addr(hw, 0x0300 | fdt->protect_sec_cmd) :
2010 flash_conf_addr(hw, 0x0336);
2016 hw->fdt_block_size = FLASH_BLK_SIZE_64K;
2018 DEBUG2(ql4_printk(KERN_INFO, ha, "FDT[%s]: (0x%x/0x%x) erase=0x%x "
2019 "pro=%x upro=%x wrtd=0x%x blk=0x%x.\n", loc, mid, fid,
2020 hw->fdt_erase_cmd, hw->fdt_protect_sec_cmd,
2021 hw->fdt_unprotect_sec_cmd, hw->fdt_wrt_disable,
2022 hw->fdt_block_size));
2026 qla4_8xxx_get_idc_param(struct scsi_qla_host *ha)
2028 #define QLA82XX_IDC_PARAM_ADDR 0x003e885c
2031 if (!is_qla8022(ha))
2033 wptr = (uint32_t *)ha->request_ring;
2034 qla4_8xxx_read_optrom_data(ha, (uint8_t *)ha->request_ring,
2035 QLA82XX_IDC_PARAM_ADDR , 8);
2037 if (*wptr == __constant_cpu_to_le32(0xffffffff)) {
2038 ha->nx_dev_init_timeout = ROM_DEV_INIT_TIMEOUT;
2039 ha->nx_reset_timeout = ROM_DRV_RESET_ACK_TIMEOUT;
2041 ha->nx_dev_init_timeout = le32_to_cpu(*wptr++);
2042 ha->nx_reset_timeout = le32_to_cpu(*wptr);
2045 DEBUG2(ql4_printk(KERN_DEBUG, ha,
2046 "ha->nx_dev_init_timeout = %d\n", ha->nx_dev_init_timeout));
2047 DEBUG2(ql4_printk(KERN_DEBUG, ha,
2048 "ha->nx_reset_timeout = %d\n", ha->nx_reset_timeout));
2053 qla4_8xxx_get_flash_info(struct scsi_qla_host *ha)
2058 ret = qla4_8xxx_find_flt_start(ha, &flt_addr);
2059 if (ret != QLA_SUCCESS)
2062 qla4_8xxx_get_flt_info(ha, flt_addr);
2063 qla4_8xxx_get_fdt_info(ha);
2064 qla4_8xxx_get_idc_param(ha);
2070 * qla4_8xxx_stop_firmware - stops firmware on specified adapter instance
2071 * @ha: pointer to host adapter structure.
2074 * For iSCSI, throws away all I/O and AENs into bit bucket, so they will
2075 * not be available after successful return. Driver must cleanup potential
2076 * outstanding I/O's after calling this funcion.
2079 qla4_8xxx_stop_firmware(struct scsi_qla_host *ha)
2082 uint32_t mbox_cmd[MBOX_REG_COUNT];
2083 uint32_t mbox_sts[MBOX_REG_COUNT];
2085 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2086 memset(&mbox_sts, 0, sizeof(mbox_sts));
2088 mbox_cmd[0] = MBOX_CMD_STOP_FW;
2089 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1,
2090 &mbox_cmd[0], &mbox_sts[0]);
2092 DEBUG2(printk("scsi%ld: %s: status = %d\n", ha->host_no,
2098 * qla4_8xxx_isp_reset - Resets ISP and aborts all outstanding commands.
2099 * @ha: pointer to host adapter structure.
2102 qla4_8xxx_isp_reset(struct scsi_qla_host *ha)
2107 qla4_8xxx_idc_lock(ha);
2108 dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
2110 if (dev_state == QLA82XX_DEV_READY) {
2111 ql4_printk(KERN_INFO, ha, "HW State: NEED RESET\n");
2112 qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2113 QLA82XX_DEV_NEED_RESET);
2115 ql4_printk(KERN_INFO, ha, "HW State: DEVICE INITIALIZING\n");
2117 qla4_8xxx_idc_unlock(ha);
2119 rval = qla4_8xxx_device_state_handler(ha);
2121 qla4_8xxx_idc_lock(ha);
2122 qla4_8xxx_clear_rst_ready(ha);
2123 qla4_8xxx_idc_unlock(ha);
2125 if (rval == QLA_SUCCESS)
2126 clear_bit(AF_FW_RECOVERY, &ha->flags);
2132 * qla4_8xxx_get_sys_info - get adapter MAC address(es) and serial number
2133 * @ha: pointer to host adapter structure.
2136 int qla4_8xxx_get_sys_info(struct scsi_qla_host *ha)
2138 uint32_t mbox_cmd[MBOX_REG_COUNT];
2139 uint32_t mbox_sts[MBOX_REG_COUNT];
2140 struct mbx_sys_info *sys_info;
2141 dma_addr_t sys_info_dma;
2142 int status = QLA_ERROR;
2144 sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info),
2145 &sys_info_dma, GFP_KERNEL);
2146 if (sys_info == NULL) {
2147 DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
2148 ha->host_no, __func__));
2152 memset(sys_info, 0, sizeof(*sys_info));
2153 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2154 memset(&mbox_sts, 0, sizeof(mbox_sts));
2156 mbox_cmd[0] = MBOX_CMD_GET_SYS_INFO;
2157 mbox_cmd[1] = LSDW(sys_info_dma);
2158 mbox_cmd[2] = MSDW(sys_info_dma);
2159 mbox_cmd[4] = sizeof(*sys_info);
2161 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 6, &mbox_cmd[0],
2162 &mbox_sts[0]) != QLA_SUCCESS) {
2163 DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO failed\n",
2164 ha->host_no, __func__));
2165 goto exit_validate_mac82;
2168 /* Make sure we receive the minimum required data to cache internally */
2169 if (mbox_sts[4] < offsetof(struct mbx_sys_info, reserved)) {
2170 DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO data receive"
2171 " error (%x)\n", ha->host_no, __func__, mbox_sts[4]));
2172 goto exit_validate_mac82;
2176 /* Save M.A.C. address & serial_number */
2177 memcpy(ha->my_mac, &sys_info->mac_addr[0],
2178 min(sizeof(ha->my_mac), sizeof(sys_info->mac_addr)));
2179 memcpy(ha->serial_number, &sys_info->serial_number,
2180 min(sizeof(ha->serial_number), sizeof(sys_info->serial_number)));
2182 DEBUG2(printk("scsi%ld: %s: "
2183 "mac %02x:%02x:%02x:%02x:%02x:%02x "
2184 "serial %s\n", ha->host_no, __func__,
2185 ha->my_mac[0], ha->my_mac[1], ha->my_mac[2],
2186 ha->my_mac[3], ha->my_mac[4], ha->my_mac[5],
2187 ha->serial_number));
2189 status = QLA_SUCCESS;
2191 exit_validate_mac82:
2192 dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info,
2197 /* Interrupt handling helpers. */
2200 qla4_8xxx_mbx_intr_enable(struct scsi_qla_host *ha)
2202 uint32_t mbox_cmd[MBOX_REG_COUNT];
2203 uint32_t mbox_sts[MBOX_REG_COUNT];
2205 DEBUG2(ql4_printk(KERN_INFO, ha, "%s\n", __func__));
2207 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2208 memset(&mbox_sts, 0, sizeof(mbox_sts));
2209 mbox_cmd[0] = MBOX_CMD_ENABLE_INTRS;
2210 mbox_cmd[1] = INTR_ENABLE;
2211 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
2212 &mbox_sts[0]) != QLA_SUCCESS) {
2213 DEBUG2(ql4_printk(KERN_INFO, ha,
2214 "%s: MBOX_CMD_ENABLE_INTRS failed (0x%04x)\n",
2215 __func__, mbox_sts[0]));
2222 qla4_8xxx_mbx_intr_disable(struct scsi_qla_host *ha)
2224 uint32_t mbox_cmd[MBOX_REG_COUNT];
2225 uint32_t mbox_sts[MBOX_REG_COUNT];
2227 DEBUG2(ql4_printk(KERN_INFO, ha, "%s\n", __func__));
2229 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2230 memset(&mbox_sts, 0, sizeof(mbox_sts));
2231 mbox_cmd[0] = MBOX_CMD_ENABLE_INTRS;
2232 mbox_cmd[1] = INTR_DISABLE;
2233 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
2234 &mbox_sts[0]) != QLA_SUCCESS) {
2235 DEBUG2(ql4_printk(KERN_INFO, ha,
2236 "%s: MBOX_CMD_ENABLE_INTRS failed (0x%04x)\n",
2237 __func__, mbox_sts[0]));
2245 qla4_8xxx_enable_intrs(struct scsi_qla_host *ha)
2247 qla4_8xxx_mbx_intr_enable(ha);
2249 spin_lock_irq(&ha->hardware_lock);
2250 /* BIT 10 - reset */
2251 qla4_8xxx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2252 spin_unlock_irq(&ha->hardware_lock);
2253 set_bit(AF_INTERRUPTS_ON, &ha->flags);
2257 qla4_8xxx_disable_intrs(struct scsi_qla_host *ha)
2259 if (test_bit(AF_INTERRUPTS_ON, &ha->flags))
2260 qla4_8xxx_mbx_intr_disable(ha);
2262 spin_lock_irq(&ha->hardware_lock);
2264 qla4_8xxx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400);
2265 spin_unlock_irq(&ha->hardware_lock);
2266 clear_bit(AF_INTERRUPTS_ON, &ha->flags);
2269 struct ql4_init_msix_entry {
2273 irq_handler_t handler;
2276 static struct ql4_init_msix_entry qla4_8xxx_msix_entries[QLA_MSIX_ENTRIES] = {
2277 { QLA_MSIX_DEFAULT, QLA_MIDX_DEFAULT,
2278 "qla4xxx (default)",
2279 (irq_handler_t)qla4_8xxx_default_intr_handler },
2280 { QLA_MSIX_RSP_Q, QLA_MIDX_RSP_Q,
2281 "qla4xxx (rsp_q)", (irq_handler_t)qla4_8xxx_msix_rsp_q },
2285 qla4_8xxx_disable_msix(struct scsi_qla_host *ha)
2288 struct ql4_msix_entry *qentry;
2290 for (i = 0; i < QLA_MSIX_ENTRIES; i++) {
2291 qentry = &ha->msix_entries[qla4_8xxx_msix_entries[i].index];
2292 if (qentry->have_irq) {
2293 free_irq(qentry->msix_vector, ha);
2294 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %s\n",
2295 __func__, qla4_8xxx_msix_entries[i].name));
2298 pci_disable_msix(ha->pdev);
2299 clear_bit(AF_MSIX_ENABLED, &ha->flags);
2303 qla4_8xxx_enable_msix(struct scsi_qla_host *ha)
2306 struct msix_entry entries[QLA_MSIX_ENTRIES];
2307 struct ql4_msix_entry *qentry;
2309 for (i = 0; i < QLA_MSIX_ENTRIES; i++)
2310 entries[i].entry = qla4_8xxx_msix_entries[i].entry;
2312 ret = pci_enable_msix(ha->pdev, entries, ARRAY_SIZE(entries));
2314 ql4_printk(KERN_WARNING, ha,
2315 "MSI-X: Failed to enable support -- %d/%d\n",
2316 QLA_MSIX_ENTRIES, ret);
2319 set_bit(AF_MSIX_ENABLED, &ha->flags);
2321 for (i = 0; i < QLA_MSIX_ENTRIES; i++) {
2322 qentry = &ha->msix_entries[qla4_8xxx_msix_entries[i].index];
2323 qentry->msix_vector = entries[i].vector;
2324 qentry->msix_entry = entries[i].entry;
2325 qentry->have_irq = 0;
2326 ret = request_irq(qentry->msix_vector,
2327 qla4_8xxx_msix_entries[i].handler, 0,
2328 qla4_8xxx_msix_entries[i].name, ha);
2330 ql4_printk(KERN_WARNING, ha,
2331 "MSI-X: Unable to register handler -- %x/%d.\n",
2332 qla4_8xxx_msix_entries[i].index, ret);
2333 qla4_8xxx_disable_msix(ha);
2336 qentry->have_irq = 1;
2337 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %s\n",
2338 __func__, qla4_8xxx_msix_entries[i].name));