Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. |
| 3 | * All rights reserved |
| 4 | * www.brocade.com |
| 5 | * |
| 6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License (GPL) Version 2 as |
| 10 | * published by the Free Software Foundation |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | */ |
| 17 | |
| 18 | #include <bfa.h> |
| 19 | #include <bfa_ioc.h> |
| 20 | #include <bfa_fwimg_priv.h> |
| 21 | #include <cna/bfa_cna_trcmod.h> |
| 22 | #include <cs/bfa_debug.h> |
| 23 | #include <bfi/bfi_ioc.h> |
| 24 | #include <bfi/bfi_ctreg.h> |
| 25 | #include <log/bfa_log_hal.h> |
| 26 | #include <defs/bfa_defs_pci.h> |
| 27 | |
| 28 | BFA_TRC_FILE(CNA, IOC_CT); |
| 29 | |
| 30 | /* |
| 31 | * forward declarations |
| 32 | */ |
| 33 | static bfa_status_t bfa_ioc_ct_pll_init(struct bfa_ioc_s *ioc); |
| 34 | static bfa_boolean_t bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc); |
| 35 | static void bfa_ioc_ct_firmware_unlock(struct bfa_ioc_s *ioc); |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 36 | static void bfa_ioc_ct_reg_init(struct bfa_ioc_s *ioc); |
| 37 | static void bfa_ioc_ct_map_port(struct bfa_ioc_s *ioc); |
| 38 | static void bfa_ioc_ct_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix); |
| 39 | static void bfa_ioc_ct_notify_hbfail(struct bfa_ioc_s *ioc); |
| 40 | static void bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc); |
| 41 | |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 42 | struct bfa_ioc_hwif_s hwif_ct; |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 43 | |
| 44 | /** |
| 45 | * Called from bfa_ioc_attach() to map asic specific calls. |
| 46 | */ |
| 47 | void |
| 48 | bfa_ioc_set_ct_hwif(struct bfa_ioc_s *ioc) |
| 49 | { |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 50 | hwif_ct.ioc_pll_init = bfa_ioc_ct_pll_init; |
| 51 | hwif_ct.ioc_firmware_lock = bfa_ioc_ct_firmware_lock; |
| 52 | hwif_ct.ioc_firmware_unlock = bfa_ioc_ct_firmware_unlock; |
| 53 | hwif_ct.ioc_reg_init = bfa_ioc_ct_reg_init; |
| 54 | hwif_ct.ioc_map_port = bfa_ioc_ct_map_port; |
| 55 | hwif_ct.ioc_isr_mode_set = bfa_ioc_ct_isr_mode_set; |
| 56 | hwif_ct.ioc_notify_hbfail = bfa_ioc_ct_notify_hbfail; |
| 57 | hwif_ct.ioc_ownership_reset = bfa_ioc_ct_ownership_reset; |
| 58 | |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 59 | ioc->ioc_hwif = &hwif_ct; |
| 60 | } |
| 61 | |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 62 | /** |
| 63 | * Return true if firmware of current driver matches the running firmware. |
| 64 | */ |
| 65 | static bfa_boolean_t |
| 66 | bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc) |
| 67 | { |
| 68 | enum bfi_ioc_state ioc_fwstate; |
Krishna Gudipati | d1c61f8 | 2010-03-05 19:38:44 -0800 | [diff] [blame] | 69 | u32 usecnt; |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 70 | struct bfi_ioc_image_hdr_s fwhdr; |
| 71 | |
| 72 | /** |
| 73 | * Firmware match check is relevant only for CNA. |
| 74 | */ |
| 75 | if (!ioc->cna) |
| 76 | return BFA_TRUE; |
| 77 | |
| 78 | /** |
| 79 | * If bios boot (flash based) -- do not increment usage count |
| 80 | */ |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 81 | if (bfi_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) < BFA_IOC_FWIMG_MINSZ) |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 82 | return BFA_TRUE; |
| 83 | |
| 84 | bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); |
| 85 | usecnt = bfa_reg_read(ioc->ioc_regs.ioc_usage_reg); |
| 86 | |
| 87 | /** |
| 88 | * If usage count is 0, always return TRUE. |
| 89 | */ |
| 90 | if (usecnt == 0) { |
| 91 | bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, 1); |
| 92 | bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); |
| 93 | bfa_trc(ioc, usecnt); |
| 94 | return BFA_TRUE; |
| 95 | } |
| 96 | |
| 97 | ioc_fwstate = bfa_reg_read(ioc->ioc_regs.ioc_fwstate); |
| 98 | bfa_trc(ioc, ioc_fwstate); |
| 99 | |
| 100 | /** |
| 101 | * Use count cannot be non-zero and chip in uninitialized state. |
| 102 | */ |
| 103 | bfa_assert(ioc_fwstate != BFI_IOC_UNINIT); |
| 104 | |
| 105 | /** |
| 106 | * Check if another driver with a different firmware is active |
| 107 | */ |
| 108 | bfa_ioc_fwver_get(ioc, &fwhdr); |
| 109 | if (!bfa_ioc_fwver_cmp(ioc, &fwhdr)) { |
| 110 | bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); |
| 111 | bfa_trc(ioc, usecnt); |
| 112 | return BFA_FALSE; |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * Same firmware version. Increment the reference count. |
| 117 | */ |
| 118 | usecnt++; |
| 119 | bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, usecnt); |
| 120 | bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); |
| 121 | bfa_trc(ioc, usecnt); |
| 122 | return BFA_TRUE; |
| 123 | } |
| 124 | |
| 125 | static void |
| 126 | bfa_ioc_ct_firmware_unlock(struct bfa_ioc_s *ioc) |
| 127 | { |
Krishna Gudipati | d1c61f8 | 2010-03-05 19:38:44 -0800 | [diff] [blame] | 128 | u32 usecnt; |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 129 | |
| 130 | /** |
| 131 | * Firmware lock is relevant only for CNA. |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 132 | */ |
| 133 | if (!ioc->cna) |
| 134 | return; |
| 135 | |
| 136 | /** |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 137 | * If bios boot (flash based) -- do not decrement usage count |
| 138 | */ |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 139 | if (bfi_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) < BFA_IOC_FWIMG_MINSZ) |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 140 | return; |
| 141 | |
| 142 | /** |
| 143 | * decrement usage count |
| 144 | */ |
| 145 | bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); |
| 146 | usecnt = bfa_reg_read(ioc->ioc_regs.ioc_usage_reg); |
| 147 | bfa_assert(usecnt > 0); |
| 148 | |
| 149 | usecnt--; |
| 150 | bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, usecnt); |
| 151 | bfa_trc(ioc, usecnt); |
| 152 | |
| 153 | bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Notify other functions on HB failure. |
| 158 | */ |
| 159 | static void |
| 160 | bfa_ioc_ct_notify_hbfail(struct bfa_ioc_s *ioc) |
| 161 | { |
Krishna Gudipati | 816e49b | 2010-03-05 19:36:56 -0800 | [diff] [blame] | 162 | if (ioc->cna) { |
| 163 | bfa_reg_write(ioc->ioc_regs.ll_halt, __FW_INIT_HALT_P); |
| 164 | /* Wait for halt to take effect */ |
| 165 | bfa_reg_read(ioc->ioc_regs.ll_halt); |
| 166 | } else { |
| 167 | bfa_reg_write(ioc->ioc_regs.err_set, __PSS_ERR_STATUS_SET); |
| 168 | bfa_reg_read(ioc->ioc_regs.err_set); |
| 169 | } |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Host to LPU mailbox message addresses |
| 174 | */ |
Krishna Gudipati | d1c61f8 | 2010-03-05 19:38:44 -0800 | [diff] [blame] | 175 | static struct { u32 hfn_mbox, lpu_mbox, hfn_pgn; } iocreg_fnreg[] = { |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 176 | { HOSTFN0_LPU_MBOX0_0, LPU_HOSTFN0_MBOX0_0, HOST_PAGE_NUM_FN0 }, |
| 177 | { HOSTFN1_LPU_MBOX0_8, LPU_HOSTFN1_MBOX0_8, HOST_PAGE_NUM_FN1 }, |
| 178 | { HOSTFN2_LPU_MBOX0_0, LPU_HOSTFN2_MBOX0_0, HOST_PAGE_NUM_FN2 }, |
| 179 | { HOSTFN3_LPU_MBOX0_8, LPU_HOSTFN3_MBOX0_8, HOST_PAGE_NUM_FN3 } |
| 180 | }; |
| 181 | |
| 182 | /** |
| 183 | * Host <-> LPU mailbox command/status registers - port 0 |
| 184 | */ |
Krishna Gudipati | d1c61f8 | 2010-03-05 19:38:44 -0800 | [diff] [blame] | 185 | static struct { u32 hfn, lpu; } iocreg_mbcmd_p0[] = { |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 186 | { HOSTFN0_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN0_MBOX0_CMD_STAT }, |
| 187 | { HOSTFN1_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN1_MBOX0_CMD_STAT }, |
| 188 | { HOSTFN2_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN2_MBOX0_CMD_STAT }, |
| 189 | { HOSTFN3_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN3_MBOX0_CMD_STAT } |
| 190 | }; |
| 191 | |
| 192 | /** |
| 193 | * Host <-> LPU mailbox command/status registers - port 1 |
| 194 | */ |
Krishna Gudipati | d1c61f8 | 2010-03-05 19:38:44 -0800 | [diff] [blame] | 195 | static struct { u32 hfn, lpu; } iocreg_mbcmd_p1[] = { |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 196 | { HOSTFN0_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN0_MBOX0_CMD_STAT }, |
| 197 | { HOSTFN1_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN1_MBOX0_CMD_STAT }, |
| 198 | { HOSTFN2_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN2_MBOX0_CMD_STAT }, |
| 199 | { HOSTFN3_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN3_MBOX0_CMD_STAT } |
| 200 | }; |
| 201 | |
| 202 | static void |
| 203 | bfa_ioc_ct_reg_init(struct bfa_ioc_s *ioc) |
| 204 | { |
| 205 | bfa_os_addr_t rb; |
| 206 | int pcifn = bfa_ioc_pcifn(ioc); |
| 207 | |
| 208 | rb = bfa_ioc_bar0(ioc); |
| 209 | |
| 210 | ioc->ioc_regs.hfn_mbox = rb + iocreg_fnreg[pcifn].hfn_mbox; |
| 211 | ioc->ioc_regs.lpu_mbox = rb + iocreg_fnreg[pcifn].lpu_mbox; |
| 212 | ioc->ioc_regs.host_page_num_fn = rb + iocreg_fnreg[pcifn].hfn_pgn; |
| 213 | |
| 214 | if (ioc->port_id == 0) { |
| 215 | ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG; |
| 216 | ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG; |
| 217 | ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd_p0[pcifn].hfn; |
| 218 | ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd_p0[pcifn].lpu; |
| 219 | ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P0; |
| 220 | } else { |
| 221 | ioc->ioc_regs.heartbeat = (rb + BFA_IOC1_HBEAT_REG); |
| 222 | ioc->ioc_regs.ioc_fwstate = (rb + BFA_IOC1_STATE_REG); |
| 223 | ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd_p1[pcifn].hfn; |
| 224 | ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd_p1[pcifn].lpu; |
| 225 | ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P1; |
| 226 | } |
| 227 | |
| 228 | /* |
| 229 | * PSS control registers |
| 230 | */ |
| 231 | ioc->ioc_regs.pss_ctl_reg = (rb + PSS_CTL_REG); |
Krishna Gudipati | 8b651b4 | 2010-03-05 19:34:44 -0800 | [diff] [blame] | 232 | ioc->ioc_regs.pss_err_status_reg = (rb + PSS_ERR_STATUS_REG); |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 233 | ioc->ioc_regs.app_pll_fast_ctl_reg = (rb + APP_PLL_425_CTL_REG); |
| 234 | ioc->ioc_regs.app_pll_slow_ctl_reg = (rb + APP_PLL_312_CTL_REG); |
| 235 | |
| 236 | /* |
| 237 | * IOC semaphore registers and serialization |
| 238 | */ |
| 239 | ioc->ioc_regs.ioc_sem_reg = (rb + HOST_SEM0_REG); |
| 240 | ioc->ioc_regs.ioc_usage_sem_reg = (rb + HOST_SEM1_REG); |
| 241 | ioc->ioc_regs.ioc_init_sem_reg = (rb + HOST_SEM2_REG); |
| 242 | ioc->ioc_regs.ioc_usage_reg = (rb + BFA_FW_USE_COUNT); |
| 243 | |
| 244 | /** |
| 245 | * sram memory access |
| 246 | */ |
| 247 | ioc->ioc_regs.smem_page_start = (rb + PSS_SMEM_PAGE_START); |
| 248 | ioc->ioc_regs.smem_pg0 = BFI_IOC_SMEM_PG0_CT; |
Krishna Gudipati | 816e49b | 2010-03-05 19:36:56 -0800 | [diff] [blame] | 249 | |
| 250 | /* |
| 251 | * err set reg : for notification of hb failure in fcmode |
| 252 | */ |
| 253 | ioc->ioc_regs.err_set = (rb + ERR_SET_REG); |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | /** |
| 257 | * Initialize IOC to port mapping. |
| 258 | */ |
| 259 | |
| 260 | #define FNC_PERS_FN_SHIFT(__fn) ((__fn) * 8) |
| 261 | static void |
| 262 | bfa_ioc_ct_map_port(struct bfa_ioc_s *ioc) |
| 263 | { |
| 264 | bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva; |
Krishna Gudipati | d1c61f8 | 2010-03-05 19:38:44 -0800 | [diff] [blame] | 265 | u32 r32; |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 266 | |
| 267 | /** |
| 268 | * For catapult, base port id on personality register and IOC type |
| 269 | */ |
| 270 | r32 = bfa_reg_read(rb + FNC_PERS_REG); |
| 271 | r32 >>= FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)); |
| 272 | ioc->port_id = (r32 & __F0_PORT_MAP_MK) >> __F0_PORT_MAP_SH; |
| 273 | |
| 274 | bfa_trc(ioc, bfa_ioc_pcifn(ioc)); |
| 275 | bfa_trc(ioc, ioc->port_id); |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * Set interrupt mode for a function: INTX or MSIX |
| 280 | */ |
| 281 | static void |
| 282 | bfa_ioc_ct_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix) |
| 283 | { |
| 284 | bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva; |
Krishna Gudipati | d1c61f8 | 2010-03-05 19:38:44 -0800 | [diff] [blame] | 285 | u32 r32, mode; |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 286 | |
| 287 | r32 = bfa_reg_read(rb + FNC_PERS_REG); |
| 288 | bfa_trc(ioc, r32); |
| 289 | |
| 290 | mode = (r32 >> FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))) & |
| 291 | __F0_INTX_STATUS; |
| 292 | |
| 293 | /** |
| 294 | * If already in desired mode, do not change anything |
| 295 | */ |
| 296 | if (!msix && mode) |
| 297 | return; |
| 298 | |
| 299 | if (msix) |
| 300 | mode = __F0_INTX_STATUS_MSIX; |
| 301 | else |
| 302 | mode = __F0_INTX_STATUS_INTA; |
| 303 | |
| 304 | r32 &= ~(__F0_INTX_STATUS << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))); |
| 305 | r32 |= (mode << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))); |
| 306 | bfa_trc(ioc, r32); |
| 307 | |
| 308 | bfa_reg_write(rb + FNC_PERS_REG, r32); |
| 309 | } |
| 310 | |
| 311 | static bfa_status_t |
| 312 | bfa_ioc_ct_pll_init(struct bfa_ioc_s *ioc) |
| 313 | { |
| 314 | bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva; |
Krishna Gudipati | d1c61f8 | 2010-03-05 19:38:44 -0800 | [diff] [blame] | 315 | u32 pll_sclk, pll_fclk, r32; |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 316 | |
| 317 | /* |
| 318 | * Hold semaphore so that nobody can access the chip during init. |
| 319 | */ |
| 320 | bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg); |
| 321 | |
Krishna Gudipati | 78f915f | 2010-03-05 19:37:18 -0800 | [diff] [blame] | 322 | pll_sclk = __APP_PLL_312_LRESETN | __APP_PLL_312_ENARST | |
| 323 | __APP_PLL_312_RSEL200500 | __APP_PLL_312_P0_1(3U) | |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 324 | __APP_PLL_312_JITLMT0_1(3U) | |
| 325 | __APP_PLL_312_CNTLMT0_1(1U); |
Krishna Gudipati | 78f915f | 2010-03-05 19:37:18 -0800 | [diff] [blame] | 326 | pll_fclk = __APP_PLL_425_LRESETN | __APP_PLL_425_ENARST | |
| 327 | __APP_PLL_425_RSEL200500 | __APP_PLL_425_P0_1(3U) | |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 328 | __APP_PLL_425_JITLMT0_1(3U) | |
| 329 | __APP_PLL_425_CNTLMT0_1(1U); |
| 330 | |
| 331 | /** |
| 332 | * For catapult, choose operational mode FC/FCoE |
| 333 | */ |
| 334 | if (ioc->fcmode) { |
| 335 | bfa_reg_write((rb + OP_MODE), 0); |
| 336 | bfa_reg_write((rb + ETH_MAC_SER_REG), |
| 337 | __APP_EMS_CMLCKSEL | |
| 338 | __APP_EMS_REFCKBUFEN2 | |
| 339 | __APP_EMS_CHANNEL_SEL); |
| 340 | } else { |
| 341 | ioc->pllinit = BFA_TRUE; |
| 342 | bfa_reg_write((rb + OP_MODE), __GLOBAL_FCOE_MODE); |
| 343 | bfa_reg_write((rb + ETH_MAC_SER_REG), |
| 344 | __APP_EMS_REFCKBUFEN1); |
| 345 | } |
| 346 | |
| 347 | bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_UNINIT); |
| 348 | bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_UNINIT); |
| 349 | |
| 350 | bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU); |
| 351 | bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU); |
| 352 | bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU); |
| 353 | bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU); |
| 354 | bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU); |
| 355 | bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU); |
| 356 | |
Krishna Gudipati | 78f915f | 2010-03-05 19:37:18 -0800 | [diff] [blame] | 357 | bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk | |
| 358 | __APP_PLL_312_LOGIC_SOFT_RESET); |
| 359 | bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk | |
| 360 | __APP_PLL_425_LOGIC_SOFT_RESET); |
| 361 | bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk | |
| 362 | __APP_PLL_312_LOGIC_SOFT_RESET | __APP_PLL_312_ENABLE); |
| 363 | bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk | |
| 364 | __APP_PLL_425_LOGIC_SOFT_RESET | __APP_PLL_425_ENABLE); |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 365 | |
| 366 | /** |
| 367 | * Wait for PLLs to lock. |
| 368 | */ |
Krishna Gudipati | 78f915f | 2010-03-05 19:37:18 -0800 | [diff] [blame] | 369 | bfa_reg_read(rb + HOSTFN0_INT_MSK); |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 370 | bfa_os_udelay(2000); |
| 371 | bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU); |
| 372 | bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU); |
| 373 | |
Krishna Gudipati | 78f915f | 2010-03-05 19:37:18 -0800 | [diff] [blame] | 374 | bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk | |
| 375 | __APP_PLL_312_ENABLE); |
| 376 | bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk | |
| 377 | __APP_PLL_425_ENABLE); |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 378 | |
Jing Huang | df2a52a | 2010-07-08 19:54:39 -0700 | [diff] [blame] | 379 | /** |
| 380 | * PSS memory reset is asserted at power-on-reset. Need to clear |
| 381 | * this before running EDRAM BISTR |
| 382 | */ |
| 383 | if (ioc->cna) { |
| 384 | bfa_reg_write((rb + PMM_1T_RESET_REG_P0), __PMM_1T_RESET_P); |
| 385 | bfa_reg_write((rb + PMM_1T_RESET_REG_P1), __PMM_1T_RESET_P); |
| 386 | } |
| 387 | |
| 388 | r32 = bfa_reg_read((rb + PSS_CTL_REG)); |
| 389 | r32 &= ~__PSS_LMEM_RESET; |
| 390 | bfa_reg_write((rb + PSS_CTL_REG), r32); |
| 391 | bfa_os_udelay(1000); |
| 392 | |
| 393 | if (ioc->cna) { |
| 394 | bfa_reg_write((rb + PMM_1T_RESET_REG_P0), 0); |
| 395 | bfa_reg_write((rb + PMM_1T_RESET_REG_P1), 0); |
| 396 | } |
| 397 | |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 398 | bfa_reg_write((rb + MBIST_CTL_REG), __EDRAM_BISTR_START); |
| 399 | bfa_os_udelay(1000); |
| 400 | r32 = bfa_reg_read((rb + MBIST_STAT_REG)); |
| 401 | bfa_trc(ioc, r32); |
Jing Huang | df2a52a | 2010-07-08 19:54:39 -0700 | [diff] [blame] | 402 | |
| 403 | /** |
| 404 | * Clear BISTR |
| 405 | */ |
| 406 | bfa_reg_write((rb + MBIST_CTL_REG), 0); |
| 407 | |
Krishna Gudipati | 0a20de4 | 2010-03-05 19:34:20 -0800 | [diff] [blame] | 408 | /* |
| 409 | * release semaphore. |
| 410 | */ |
| 411 | bfa_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg); |
| 412 | |
| 413 | return BFA_STATUS_OK; |
| 414 | } |
| 415 | |
| 416 | /** |
| 417 | * Cleanup hw semaphore and usecnt registers |
| 418 | */ |
| 419 | static void |
| 420 | bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc) |
| 421 | { |
| 422 | |
| 423 | if (ioc->cna) { |
| 424 | bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); |
| 425 | bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, 0); |
| 426 | bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); |
| 427 | } |
| 428 | |
| 429 | /* |
| 430 | * Read the hw sem reg to make sure that it is locked |
| 431 | * before we clear it. If it is not locked, writing 1 |
| 432 | * will lock it instead of clearing it. |
| 433 | */ |
| 434 | bfa_reg_read(ioc->ioc_regs.ioc_sem_reg); |
| 435 | bfa_ioc_hw_sem_release(ioc); |
| 436 | } |