12908d778SJames Bottomley /* 22908d778SJames Bottomley * Aic94xx SAS/SATA driver access to shared data structures and memory 32908d778SJames Bottomley * maps. 42908d778SJames Bottomley * 52908d778SJames Bottomley * Copyright (C) 2005 Adaptec, Inc. All rights reserved. 62908d778SJames Bottomley * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com> 72908d778SJames Bottomley * 82908d778SJames Bottomley * This file is licensed under GPLv2. 92908d778SJames Bottomley * 102908d778SJames Bottomley * This file is part of the aic94xx driver. 112908d778SJames Bottomley * 122908d778SJames Bottomley * The aic94xx driver is free software; you can redistribute it and/or 132908d778SJames Bottomley * modify it under the terms of the GNU General Public License as 142908d778SJames Bottomley * published by the Free Software Foundation; version 2 of the 152908d778SJames Bottomley * License. 162908d778SJames Bottomley * 172908d778SJames Bottomley * The aic94xx driver is distributed in the hope that it will be useful, 182908d778SJames Bottomley * but WITHOUT ANY WARRANTY; without even the implied warranty of 192908d778SJames Bottomley * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 202908d778SJames Bottomley * General Public License for more details. 212908d778SJames Bottomley * 222908d778SJames Bottomley * You should have received a copy of the GNU General Public License 232908d778SJames Bottomley * along with the aic94xx driver; if not, write to the Free Software 242908d778SJames Bottomley * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 252908d778SJames Bottomley * 262908d778SJames Bottomley */ 272908d778SJames Bottomley 282908d778SJames Bottomley #include <linux/pci.h> 292908d778SJames Bottomley #include <linux/delay.h> 302908d778SJames Bottomley 312908d778SJames Bottomley #include "aic94xx.h" 322908d778SJames Bottomley #include "aic94xx_reg.h" 332908d778SJames Bottomley 342908d778SJames Bottomley /* ---------- OCM stuff ---------- */ 352908d778SJames Bottomley 362908d778SJames Bottomley struct asd_ocm_dir_ent { 372908d778SJames Bottomley u8 type; 382908d778SJames Bottomley u8 offs[3]; 392908d778SJames Bottomley u8 _r1; 402908d778SJames Bottomley u8 size[3]; 412908d778SJames Bottomley } __attribute__ ((packed)); 422908d778SJames Bottomley 432908d778SJames Bottomley struct asd_ocm_dir { 442908d778SJames Bottomley char sig[2]; 452908d778SJames Bottomley u8 _r1[2]; 462908d778SJames Bottomley u8 major; /* 0 */ 472908d778SJames Bottomley u8 minor; /* 0 */ 482908d778SJames Bottomley u8 _r2; 492908d778SJames Bottomley u8 num_de; 502908d778SJames Bottomley struct asd_ocm_dir_ent entry[15]; 512908d778SJames Bottomley } __attribute__ ((packed)); 522908d778SJames Bottomley 532908d778SJames Bottomley #define OCM_DE_OCM_DIR 0x00 542908d778SJames Bottomley #define OCM_DE_WIN_DRVR 0x01 552908d778SJames Bottomley #define OCM_DE_BIOS_CHIM 0x02 562908d778SJames Bottomley #define OCM_DE_RAID_ENGN 0x03 572908d778SJames Bottomley #define OCM_DE_BIOS_INTL 0x04 582908d778SJames Bottomley #define OCM_DE_BIOS_CHIM_OSM 0x05 592908d778SJames Bottomley #define OCM_DE_BIOS_CHIM_DYNAMIC 0x06 602908d778SJames Bottomley #define OCM_DE_ADDC2C_RES0 0x07 612908d778SJames Bottomley #define OCM_DE_ADDC2C_RES1 0x08 622908d778SJames Bottomley #define OCM_DE_ADDC2C_RES2 0x09 632908d778SJames Bottomley #define OCM_DE_ADDC2C_RES3 0x0A 642908d778SJames Bottomley 652908d778SJames Bottomley #define OCM_INIT_DIR_ENTRIES 5 662908d778SJames Bottomley /*************************************************************************** 670779bf2dSMatt LaPlante * OCM directory default 682908d778SJames Bottomley ***************************************************************************/ 692908d778SJames Bottomley static struct asd_ocm_dir OCMDirInit = 702908d778SJames Bottomley { 712908d778SJames Bottomley .sig = {0x4D, 0x4F}, /* signature */ 722908d778SJames Bottomley .num_de = OCM_INIT_DIR_ENTRIES, /* no. of directory entries */ 732908d778SJames Bottomley }; 742908d778SJames Bottomley 752908d778SJames Bottomley /*************************************************************************** 760779bf2dSMatt LaPlante * OCM directory Entries default 772908d778SJames Bottomley ***************************************************************************/ 782908d778SJames Bottomley static struct asd_ocm_dir_ent OCMDirEntriesInit[OCM_INIT_DIR_ENTRIES] = 792908d778SJames Bottomley { 802908d778SJames Bottomley { 812908d778SJames Bottomley .type = (OCM_DE_ADDC2C_RES0), /* Entry type */ 822908d778SJames Bottomley .offs = {128}, /* Offset */ 832908d778SJames Bottomley .size = {0, 4}, /* size */ 842908d778SJames Bottomley }, 852908d778SJames Bottomley { 862908d778SJames Bottomley .type = (OCM_DE_ADDC2C_RES1), /* Entry type */ 872908d778SJames Bottomley .offs = {128, 4}, /* Offset */ 882908d778SJames Bottomley .size = {0, 4}, /* size */ 892908d778SJames Bottomley }, 902908d778SJames Bottomley { 912908d778SJames Bottomley .type = (OCM_DE_ADDC2C_RES2), /* Entry type */ 922908d778SJames Bottomley .offs = {128, 8}, /* Offset */ 932908d778SJames Bottomley .size = {0, 4}, /* size */ 942908d778SJames Bottomley }, 952908d778SJames Bottomley { 962908d778SJames Bottomley .type = (OCM_DE_ADDC2C_RES3), /* Entry type */ 972908d778SJames Bottomley .offs = {128, 12}, /* Offset */ 982908d778SJames Bottomley .size = {0, 4}, /* size */ 992908d778SJames Bottomley }, 1002908d778SJames Bottomley { 1012908d778SJames Bottomley .type = (OCM_DE_WIN_DRVR), /* Entry type */ 1022908d778SJames Bottomley .offs = {128, 16}, /* Offset */ 1032908d778SJames Bottomley .size = {128, 235, 1}, /* size */ 1042908d778SJames Bottomley }, 1052908d778SJames Bottomley }; 1062908d778SJames Bottomley 1072908d778SJames Bottomley struct asd_bios_chim_struct { 1082908d778SJames Bottomley char sig[4]; 1092908d778SJames Bottomley u8 major; /* 1 */ 1102908d778SJames Bottomley u8 minor; /* 0 */ 1112908d778SJames Bottomley u8 bios_major; 1122908d778SJames Bottomley u8 bios_minor; 1132908d778SJames Bottomley __le32 bios_build; 1142908d778SJames Bottomley u8 flags; 1152908d778SJames Bottomley u8 pci_slot; 1162908d778SJames Bottomley __le16 ue_num; 1172908d778SJames Bottomley __le16 ue_size; 1182908d778SJames Bottomley u8 _r[14]; 1192908d778SJames Bottomley /* The unit element array is right here. 1202908d778SJames Bottomley */ 1212908d778SJames Bottomley } __attribute__ ((packed)); 1222908d778SJames Bottomley 1232908d778SJames Bottomley /** 1242908d778SJames Bottomley * asd_read_ocm_seg - read an on chip memory (OCM) segment 1252908d778SJames Bottomley * @asd_ha: pointer to the host adapter structure 1262908d778SJames Bottomley * @buffer: where to write the read data 1272908d778SJames Bottomley * @offs: offset into OCM where to read from 1282908d778SJames Bottomley * @size: how many bytes to read 1292908d778SJames Bottomley * 1302908d778SJames Bottomley * Return the number of bytes not read. Return 0 on success. 1312908d778SJames Bottomley */ 1322908d778SJames Bottomley static int asd_read_ocm_seg(struct asd_ha_struct *asd_ha, void *buffer, 1332908d778SJames Bottomley u32 offs, int size) 1342908d778SJames Bottomley { 1352908d778SJames Bottomley u8 *p = buffer; 1362908d778SJames Bottomley if (unlikely(asd_ha->iospace)) 1372908d778SJames Bottomley asd_read_reg_string(asd_ha, buffer, offs+OCM_BASE_ADDR, size); 1382908d778SJames Bottomley else { 1392908d778SJames Bottomley for ( ; size > 0; size--, offs++, p++) 1402908d778SJames Bottomley *p = asd_read_ocm_byte(asd_ha, offs); 1412908d778SJames Bottomley } 1422908d778SJames Bottomley return size; 1432908d778SJames Bottomley } 1442908d778SJames Bottomley 1452908d778SJames Bottomley static int asd_read_ocm_dir(struct asd_ha_struct *asd_ha, 1462908d778SJames Bottomley struct asd_ocm_dir *dir, u32 offs) 1472908d778SJames Bottomley { 1482908d778SJames Bottomley int err = asd_read_ocm_seg(asd_ha, dir, offs, sizeof(*dir)); 1492908d778SJames Bottomley if (err) { 1502908d778SJames Bottomley ASD_DPRINTK("couldn't read ocm segment\n"); 1512908d778SJames Bottomley return err; 1522908d778SJames Bottomley } 1532908d778SJames Bottomley 1542908d778SJames Bottomley if (dir->sig[0] != 'M' || dir->sig[1] != 'O') { 1552908d778SJames Bottomley ASD_DPRINTK("no valid dir signature(%c%c) at start of OCM\n", 1562908d778SJames Bottomley dir->sig[0], dir->sig[1]); 1572908d778SJames Bottomley return -ENOENT; 1582908d778SJames Bottomley } 1592908d778SJames Bottomley if (dir->major != 0) { 1602908d778SJames Bottomley asd_printk("unsupported major version of ocm dir:0x%x\n", 1612908d778SJames Bottomley dir->major); 1622908d778SJames Bottomley return -ENOENT; 1632908d778SJames Bottomley } 1642908d778SJames Bottomley dir->num_de &= 0xf; 1652908d778SJames Bottomley return 0; 1662908d778SJames Bottomley } 1672908d778SJames Bottomley 1682908d778SJames Bottomley /** 1692908d778SJames Bottomley * asd_write_ocm_seg - write an on chip memory (OCM) segment 1702908d778SJames Bottomley * @asd_ha: pointer to the host adapter structure 1712908d778SJames Bottomley * @buffer: where to read the write data 1722908d778SJames Bottomley * @offs: offset into OCM to write to 1732908d778SJames Bottomley * @size: how many bytes to write 1742908d778SJames Bottomley * 1752908d778SJames Bottomley * Return the number of bytes not written. Return 0 on success. 1762908d778SJames Bottomley */ 1772908d778SJames Bottomley static void asd_write_ocm_seg(struct asd_ha_struct *asd_ha, void *buffer, 1782908d778SJames Bottomley u32 offs, int size) 1792908d778SJames Bottomley { 1802908d778SJames Bottomley u8 *p = buffer; 1812908d778SJames Bottomley if (unlikely(asd_ha->iospace)) 1822908d778SJames Bottomley asd_write_reg_string(asd_ha, buffer, offs+OCM_BASE_ADDR, size); 1832908d778SJames Bottomley else { 1842908d778SJames Bottomley for ( ; size > 0; size--, offs++, p++) 1852908d778SJames Bottomley asd_write_ocm_byte(asd_ha, offs, *p); 1862908d778SJames Bottomley } 1872908d778SJames Bottomley return; 1882908d778SJames Bottomley } 1892908d778SJames Bottomley 1902908d778SJames Bottomley #define THREE_TO_NUM(X) ((X)[0] | ((X)[1] << 8) | ((X)[2] << 16)) 1912908d778SJames Bottomley 1922908d778SJames Bottomley static int asd_find_dir_entry(struct asd_ocm_dir *dir, u8 type, 1932908d778SJames Bottomley u32 *offs, u32 *size) 1942908d778SJames Bottomley { 1952908d778SJames Bottomley int i; 1962908d778SJames Bottomley struct asd_ocm_dir_ent *ent; 1972908d778SJames Bottomley 1982908d778SJames Bottomley for (i = 0; i < dir->num_de; i++) { 1992908d778SJames Bottomley if (dir->entry[i].type == type) 2002908d778SJames Bottomley break; 2012908d778SJames Bottomley } 2022908d778SJames Bottomley if (i >= dir->num_de) 2032908d778SJames Bottomley return -ENOENT; 2042908d778SJames Bottomley ent = &dir->entry[i]; 2052908d778SJames Bottomley *offs = (u32) THREE_TO_NUM(ent->offs); 2062908d778SJames Bottomley *size = (u32) THREE_TO_NUM(ent->size); 2072908d778SJames Bottomley return 0; 2082908d778SJames Bottomley } 2092908d778SJames Bottomley 2102908d778SJames Bottomley #define OCM_BIOS_CHIM_DE 2 2112908d778SJames Bottomley #define BC_BIOS_PRESENT 1 2122908d778SJames Bottomley 2132908d778SJames Bottomley static int asd_get_bios_chim(struct asd_ha_struct *asd_ha, 2142908d778SJames Bottomley struct asd_ocm_dir *dir) 2152908d778SJames Bottomley { 2162908d778SJames Bottomley int err; 2172908d778SJames Bottomley struct asd_bios_chim_struct *bc_struct; 2182908d778SJames Bottomley u32 offs, size; 2192908d778SJames Bottomley 2202908d778SJames Bottomley err = asd_find_dir_entry(dir, OCM_BIOS_CHIM_DE, &offs, &size); 2212908d778SJames Bottomley if (err) { 2222908d778SJames Bottomley ASD_DPRINTK("couldn't find BIOS_CHIM dir ent\n"); 2232908d778SJames Bottomley goto out; 2242908d778SJames Bottomley } 2252908d778SJames Bottomley err = -ENOMEM; 2262908d778SJames Bottomley bc_struct = kmalloc(sizeof(*bc_struct), GFP_KERNEL); 2272908d778SJames Bottomley if (!bc_struct) { 2282908d778SJames Bottomley asd_printk("no memory for bios_chim struct\n"); 2292908d778SJames Bottomley goto out; 2302908d778SJames Bottomley } 2312908d778SJames Bottomley err = asd_read_ocm_seg(asd_ha, (void *)bc_struct, offs, 2322908d778SJames Bottomley sizeof(*bc_struct)); 2332908d778SJames Bottomley if (err) { 2342908d778SJames Bottomley ASD_DPRINTK("couldn't read ocm segment\n"); 2352908d778SJames Bottomley goto out2; 2362908d778SJames Bottomley } 2372908d778SJames Bottomley if (strncmp(bc_struct->sig, "SOIB", 4) 2382908d778SJames Bottomley && strncmp(bc_struct->sig, "IPSA", 4)) { 2392908d778SJames Bottomley ASD_DPRINTK("BIOS_CHIM entry has no valid sig(%c%c%c%c)\n", 2402908d778SJames Bottomley bc_struct->sig[0], bc_struct->sig[1], 2412908d778SJames Bottomley bc_struct->sig[2], bc_struct->sig[3]); 2422908d778SJames Bottomley err = -ENOENT; 2432908d778SJames Bottomley goto out2; 2442908d778SJames Bottomley } 2452908d778SJames Bottomley if (bc_struct->major != 1) { 2462908d778SJames Bottomley asd_printk("BIOS_CHIM unsupported major version:0x%x\n", 2472908d778SJames Bottomley bc_struct->major); 2482908d778SJames Bottomley err = -ENOENT; 2492908d778SJames Bottomley goto out2; 2502908d778SJames Bottomley } 2512908d778SJames Bottomley if (bc_struct->flags & BC_BIOS_PRESENT) { 2522908d778SJames Bottomley asd_ha->hw_prof.bios.present = 1; 2532908d778SJames Bottomley asd_ha->hw_prof.bios.maj = bc_struct->bios_major; 2542908d778SJames Bottomley asd_ha->hw_prof.bios.min = bc_struct->bios_minor; 2552908d778SJames Bottomley asd_ha->hw_prof.bios.bld = le32_to_cpu(bc_struct->bios_build); 2562908d778SJames Bottomley ASD_DPRINTK("BIOS present (%d,%d), %d\n", 2572908d778SJames Bottomley asd_ha->hw_prof.bios.maj, 2582908d778SJames Bottomley asd_ha->hw_prof.bios.min, 2592908d778SJames Bottomley asd_ha->hw_prof.bios.bld); 2602908d778SJames Bottomley } 2612908d778SJames Bottomley asd_ha->hw_prof.ue.num = le16_to_cpu(bc_struct->ue_num); 2622908d778SJames Bottomley asd_ha->hw_prof.ue.size= le16_to_cpu(bc_struct->ue_size); 2632908d778SJames Bottomley ASD_DPRINTK("ue num:%d, ue size:%d\n", asd_ha->hw_prof.ue.num, 2642908d778SJames Bottomley asd_ha->hw_prof.ue.size); 2652908d778SJames Bottomley size = asd_ha->hw_prof.ue.num * asd_ha->hw_prof.ue.size; 2662908d778SJames Bottomley if (size > 0) { 2672908d778SJames Bottomley err = -ENOMEM; 2682908d778SJames Bottomley asd_ha->hw_prof.ue.area = kmalloc(size, GFP_KERNEL); 2692908d778SJames Bottomley if (!asd_ha->hw_prof.ue.area) 2702908d778SJames Bottomley goto out2; 2712908d778SJames Bottomley err = asd_read_ocm_seg(asd_ha, (void *)asd_ha->hw_prof.ue.area, 2722908d778SJames Bottomley offs + sizeof(*bc_struct), size); 2732908d778SJames Bottomley if (err) { 2742908d778SJames Bottomley kfree(asd_ha->hw_prof.ue.area); 2752908d778SJames Bottomley asd_ha->hw_prof.ue.area = NULL; 2762908d778SJames Bottomley asd_ha->hw_prof.ue.num = 0; 2772908d778SJames Bottomley asd_ha->hw_prof.ue.size = 0; 2782908d778SJames Bottomley ASD_DPRINTK("couldn't read ue entries(%d)\n", err); 2792908d778SJames Bottomley } 2802908d778SJames Bottomley } 2812908d778SJames Bottomley out2: 2822908d778SJames Bottomley kfree(bc_struct); 2832908d778SJames Bottomley out: 2842908d778SJames Bottomley return err; 2852908d778SJames Bottomley } 2862908d778SJames Bottomley 2872908d778SJames Bottomley static void 2882908d778SJames Bottomley asd_hwi_initialize_ocm_dir (struct asd_ha_struct *asd_ha) 2892908d778SJames Bottomley { 2902908d778SJames Bottomley int i; 2912908d778SJames Bottomley 2922908d778SJames Bottomley /* Zero OCM */ 2932908d778SJames Bottomley for (i = 0; i < OCM_MAX_SIZE; i += 4) 2942908d778SJames Bottomley asd_write_ocm_dword(asd_ha, i, 0); 2952908d778SJames Bottomley 2962908d778SJames Bottomley /* Write Dir */ 2972908d778SJames Bottomley asd_write_ocm_seg(asd_ha, &OCMDirInit, 0, 2982908d778SJames Bottomley sizeof(struct asd_ocm_dir)); 2992908d778SJames Bottomley 3002908d778SJames Bottomley /* Write Dir Entries */ 3012908d778SJames Bottomley for (i = 0; i < OCM_INIT_DIR_ENTRIES; i++) 3022908d778SJames Bottomley asd_write_ocm_seg(asd_ha, &OCMDirEntriesInit[i], 3032908d778SJames Bottomley sizeof(struct asd_ocm_dir) + 3042908d778SJames Bottomley (i * sizeof(struct asd_ocm_dir_ent)) 3052908d778SJames Bottomley , sizeof(struct asd_ocm_dir_ent)); 3062908d778SJames Bottomley 3072908d778SJames Bottomley } 3082908d778SJames Bottomley 3092908d778SJames Bottomley static int 3102908d778SJames Bottomley asd_hwi_check_ocm_access (struct asd_ha_struct *asd_ha) 3112908d778SJames Bottomley { 3122908d778SJames Bottomley struct pci_dev *pcidev = asd_ha->pcidev; 3132908d778SJames Bottomley u32 reg; 3142908d778SJames Bottomley int err = 0; 3152908d778SJames Bottomley u32 v; 3162908d778SJames Bottomley 3172908d778SJames Bottomley /* check if OCM has been initialized by BIOS */ 3182908d778SJames Bottomley reg = asd_read_reg_dword(asd_ha, EXSICNFGR); 3192908d778SJames Bottomley 3202908d778SJames Bottomley if (!(reg & OCMINITIALIZED)) { 3212908d778SJames Bottomley err = pci_read_config_dword(pcidev, PCIC_INTRPT_STAT, &v); 3222908d778SJames Bottomley if (err) { 3232908d778SJames Bottomley asd_printk("couldn't access PCIC_INTRPT_STAT of %s\n", 3242908d778SJames Bottomley pci_name(pcidev)); 3252908d778SJames Bottomley goto out; 3262908d778SJames Bottomley } 3272908d778SJames Bottomley 3282908d778SJames Bottomley printk(KERN_INFO "OCM is not initialized by BIOS," 3292908d778SJames Bottomley "reinitialize it and ignore it, current IntrptStatus" 3302908d778SJames Bottomley "is 0x%x\n", v); 3312908d778SJames Bottomley 3322908d778SJames Bottomley if (v) 3332908d778SJames Bottomley err = pci_write_config_dword(pcidev, 3342908d778SJames Bottomley PCIC_INTRPT_STAT, v); 3352908d778SJames Bottomley if (err) { 3362908d778SJames Bottomley asd_printk("couldn't write PCIC_INTRPT_STAT of %s\n", 3372908d778SJames Bottomley pci_name(pcidev)); 3382908d778SJames Bottomley goto out; 3392908d778SJames Bottomley } 3402908d778SJames Bottomley 3412908d778SJames Bottomley asd_hwi_initialize_ocm_dir(asd_ha); 3422908d778SJames Bottomley 3432908d778SJames Bottomley } 3442908d778SJames Bottomley out: 3452908d778SJames Bottomley return err; 3462908d778SJames Bottomley } 3472908d778SJames Bottomley 3482908d778SJames Bottomley /** 3492908d778SJames Bottomley * asd_read_ocm - read on chip memory (OCM) 3502908d778SJames Bottomley * @asd_ha: pointer to the host adapter structure 3512908d778SJames Bottomley */ 3522908d778SJames Bottomley int asd_read_ocm(struct asd_ha_struct *asd_ha) 3532908d778SJames Bottomley { 3542908d778SJames Bottomley int err; 3552908d778SJames Bottomley struct asd_ocm_dir *dir; 3562908d778SJames Bottomley 3572908d778SJames Bottomley if (asd_hwi_check_ocm_access(asd_ha)) 3582908d778SJames Bottomley return -1; 3592908d778SJames Bottomley 3602908d778SJames Bottomley dir = kmalloc(sizeof(*dir), GFP_KERNEL); 3612908d778SJames Bottomley if (!dir) { 3622908d778SJames Bottomley asd_printk("no memory for ocm dir\n"); 3632908d778SJames Bottomley return -ENOMEM; 3642908d778SJames Bottomley } 3652908d778SJames Bottomley 3662908d778SJames Bottomley err = asd_read_ocm_dir(asd_ha, dir, 0); 3672908d778SJames Bottomley if (err) 3682908d778SJames Bottomley goto out; 3692908d778SJames Bottomley 3702908d778SJames Bottomley err = asd_get_bios_chim(asd_ha, dir); 3712908d778SJames Bottomley out: 3722908d778SJames Bottomley kfree(dir); 3732908d778SJames Bottomley return err; 3742908d778SJames Bottomley } 3752908d778SJames Bottomley 3762908d778SJames Bottomley /* ---------- FLASH stuff ---------- */ 3772908d778SJames Bottomley 3782908d778SJames Bottomley #define FLASH_RESET 0xF0 3792908d778SJames Bottomley 380d297a5d5SAndrew Morton #define ASD_FLASH_SIZE 0x200000 3812908d778SJames Bottomley #define FLASH_DIR_COOKIE "*** ADAPTEC FLASH DIRECTORY *** " 3822908d778SJames Bottomley #define FLASH_NEXT_ENTRY_OFFS 0x2000 3832908d778SJames Bottomley #define FLASH_MAX_DIR_ENTRIES 32 3842908d778SJames Bottomley 3852908d778SJames Bottomley #define FLASH_DE_TYPE_MASK 0x3FFFFFFF 3862908d778SJames Bottomley #define FLASH_DE_MS 0x120 3872908d778SJames Bottomley #define FLASH_DE_CTRL_A_USER 0xE0 3882908d778SJames Bottomley 3892908d778SJames Bottomley struct asd_flash_de { 3902908d778SJames Bottomley __le32 type; 3912908d778SJames Bottomley __le32 offs; 3922908d778SJames Bottomley __le32 pad_size; 3932908d778SJames Bottomley __le32 image_size; 3942908d778SJames Bottomley __le32 chksum; 3952908d778SJames Bottomley u8 _r[12]; 3962908d778SJames Bottomley u8 version[32]; 3972908d778SJames Bottomley } __attribute__ ((packed)); 3982908d778SJames Bottomley 3992908d778SJames Bottomley struct asd_flash_dir { 4002908d778SJames Bottomley u8 cookie[32]; 4012908d778SJames Bottomley __le32 rev; /* 2 */ 4022908d778SJames Bottomley __le32 chksum; 4032908d778SJames Bottomley __le32 chksum_antidote; 4042908d778SJames Bottomley __le32 bld; 4052908d778SJames Bottomley u8 bld_id[32]; /* build id data */ 4062908d778SJames Bottomley u8 ver_data[32]; /* date and time of build */ 4072908d778SJames Bottomley __le32 ae_mask; 4082908d778SJames Bottomley __le32 v_mask; 4092908d778SJames Bottomley __le32 oc_mask; 4102908d778SJames Bottomley u8 _r[20]; 4112908d778SJames Bottomley struct asd_flash_de dir_entry[FLASH_MAX_DIR_ENTRIES]; 4122908d778SJames Bottomley } __attribute__ ((packed)); 4132908d778SJames Bottomley 4142908d778SJames Bottomley struct asd_manuf_sec { 4152908d778SJames Bottomley char sig[2]; /* 'S', 'M' */ 4162908d778SJames Bottomley u16 offs_next; 4172908d778SJames Bottomley u8 maj; /* 0 */ 4182908d778SJames Bottomley u8 min; /* 0 */ 4192908d778SJames Bottomley u16 chksum; 4202908d778SJames Bottomley u16 size; 4212908d778SJames Bottomley u8 _r[6]; 4222908d778SJames Bottomley u8 sas_addr[SAS_ADDR_SIZE]; 4232908d778SJames Bottomley u8 pcba_sn[ASD_PCBA_SN_SIZE]; 4242908d778SJames Bottomley /* Here start the other segments */ 4252908d778SJames Bottomley u8 linked_list[0]; 4262908d778SJames Bottomley } __attribute__ ((packed)); 4272908d778SJames Bottomley 4282908d778SJames Bottomley struct asd_manuf_phy_desc { 4292908d778SJames Bottomley u8 state; /* low 4 bits */ 43086b9c4c1SAlexis Bruemmer #define MS_PHY_STATE_ENABLED 0 4312908d778SJames Bottomley #define MS_PHY_STATE_REPORTED 1 4322908d778SJames Bottomley #define MS_PHY_STATE_HIDDEN 2 4332908d778SJames Bottomley u8 phy_id; 4342908d778SJames Bottomley u16 _r; 4352908d778SJames Bottomley u8 phy_control_0; /* mode 5 reg 0x160 */ 4362908d778SJames Bottomley u8 phy_control_1; /* mode 5 reg 0x161 */ 4372908d778SJames Bottomley u8 phy_control_2; /* mode 5 reg 0x162 */ 4382908d778SJames Bottomley u8 phy_control_3; /* mode 5 reg 0x163 */ 4392908d778SJames Bottomley } __attribute__ ((packed)); 4402908d778SJames Bottomley 4412908d778SJames Bottomley struct asd_manuf_phy_param { 4422908d778SJames Bottomley char sig[2]; /* 'P', 'M' */ 4432908d778SJames Bottomley u16 next; 4442908d778SJames Bottomley u8 maj; /* 0 */ 4452908d778SJames Bottomley u8 min; /* 2 */ 4462908d778SJames Bottomley u8 num_phy_desc; /* 8 */ 4472908d778SJames Bottomley u8 phy_desc_size; /* 8 */ 4482908d778SJames Bottomley u8 _r[3]; 4492908d778SJames Bottomley u8 usage_model_id; 4502908d778SJames Bottomley u32 _r2; 4512908d778SJames Bottomley struct asd_manuf_phy_desc phy_desc[ASD_MAX_PHYS]; 4522908d778SJames Bottomley } __attribute__ ((packed)); 4532908d778SJames Bottomley 4542908d778SJames Bottomley #if 0 4552908d778SJames Bottomley static const char *asd_sb_type[] = { 4562908d778SJames Bottomley "unknown", 4572908d778SJames Bottomley "SGPIO", 4582908d778SJames Bottomley [2 ... 0x7F] = "unknown", 4592908d778SJames Bottomley [0x80] = "ADPT_I2C", 4602908d778SJames Bottomley [0x81 ... 0xFF] = "VENDOR_UNIQUExx" 4612908d778SJames Bottomley }; 4622908d778SJames Bottomley #endif 4632908d778SJames Bottomley 4642908d778SJames Bottomley struct asd_ms_sb_desc { 4652908d778SJames Bottomley u8 type; 4662908d778SJames Bottomley u8 node_desc_index; 4672908d778SJames Bottomley u8 conn_desc_index; 4682908d778SJames Bottomley u8 _recvd[0]; 4692908d778SJames Bottomley } __attribute__ ((packed)); 4702908d778SJames Bottomley 4712908d778SJames Bottomley #if 0 4722908d778SJames Bottomley static const char *asd_conn_type[] = { 4732908d778SJames Bottomley [0 ... 7] = "unknown", 4742908d778SJames Bottomley "SFF8470", 4752908d778SJames Bottomley "SFF8482", 4762908d778SJames Bottomley "SFF8484", 4772908d778SJames Bottomley [0x80] = "PCIX_DAUGHTER0", 4782908d778SJames Bottomley [0x81] = "SAS_DAUGHTER0", 4792908d778SJames Bottomley [0x82 ... 0xFF] = "VENDOR_UNIQUExx" 4802908d778SJames Bottomley }; 4812908d778SJames Bottomley 4822908d778SJames Bottomley static const char *asd_conn_location[] = { 4832908d778SJames Bottomley "unknown", 4842908d778SJames Bottomley "internal", 4852908d778SJames Bottomley "external", 4862908d778SJames Bottomley "board_to_board", 4872908d778SJames Bottomley }; 4882908d778SJames Bottomley #endif 4892908d778SJames Bottomley 4902908d778SJames Bottomley struct asd_ms_conn_desc { 4912908d778SJames Bottomley u8 type; 4922908d778SJames Bottomley u8 location; 4932908d778SJames Bottomley u8 num_sideband_desc; 4942908d778SJames Bottomley u8 size_sideband_desc; 4952908d778SJames Bottomley u32 _resvd; 4962908d778SJames Bottomley u8 name[16]; 4972908d778SJames Bottomley struct asd_ms_sb_desc sb_desc[0]; 4982908d778SJames Bottomley } __attribute__ ((packed)); 4992908d778SJames Bottomley 5002908d778SJames Bottomley struct asd_nd_phy_desc { 5012908d778SJames Bottomley u8 vp_attch_type; 5022908d778SJames Bottomley u8 attch_specific[0]; 5032908d778SJames Bottomley } __attribute__ ((packed)); 5042908d778SJames Bottomley 5052908d778SJames Bottomley #if 0 5062908d778SJames Bottomley static const char *asd_node_type[] = { 5072908d778SJames Bottomley "IOP", 5082908d778SJames Bottomley "IO_CONTROLLER", 5092908d778SJames Bottomley "EXPANDER", 5102908d778SJames Bottomley "PORT_MULTIPLIER", 5112908d778SJames Bottomley "PORT_MULTIPLEXER", 5122908d778SJames Bottomley "MULTI_DROP_I2C_BUS", 5132908d778SJames Bottomley }; 5142908d778SJames Bottomley #endif 5152908d778SJames Bottomley 5162908d778SJames Bottomley struct asd_ms_node_desc { 5172908d778SJames Bottomley u8 type; 5182908d778SJames Bottomley u8 num_phy_desc; 5192908d778SJames Bottomley u8 size_phy_desc; 5202908d778SJames Bottomley u8 _resvd; 5212908d778SJames Bottomley u8 name[16]; 5222908d778SJames Bottomley struct asd_nd_phy_desc phy_desc[0]; 5232908d778SJames Bottomley } __attribute__ ((packed)); 5242908d778SJames Bottomley 5252908d778SJames Bottomley struct asd_ms_conn_map { 5262908d778SJames Bottomley char sig[2]; /* 'M', 'C' */ 5272908d778SJames Bottomley __le16 next; 5282908d778SJames Bottomley u8 maj; /* 0 */ 5292908d778SJames Bottomley u8 min; /* 0 */ 5302908d778SJames Bottomley __le16 cm_size; /* size of this struct */ 5312908d778SJames Bottomley u8 num_conn; 5322908d778SJames Bottomley u8 conn_size; 5332908d778SJames Bottomley u8 num_nodes; 5342908d778SJames Bottomley u8 usage_model_id; 5352908d778SJames Bottomley u32 _resvd; 5362908d778SJames Bottomley struct asd_ms_conn_desc conn_desc[0]; 5372908d778SJames Bottomley struct asd_ms_node_desc node_desc[0]; 5382908d778SJames Bottomley } __attribute__ ((packed)); 5392908d778SJames Bottomley 5402908d778SJames Bottomley struct asd_ctrla_phy_entry { 5412908d778SJames Bottomley u8 sas_addr[SAS_ADDR_SIZE]; 5422908d778SJames Bottomley u8 sas_link_rates; /* max in hi bits, min in low bits */ 5432908d778SJames Bottomley u8 flags; 5442908d778SJames Bottomley u8 sata_link_rates; 5452908d778SJames Bottomley u8 _r[5]; 5462908d778SJames Bottomley } __attribute__ ((packed)); 5472908d778SJames Bottomley 5482908d778SJames Bottomley struct asd_ctrla_phy_settings { 5492908d778SJames Bottomley u8 id0; /* P'h'y */ 5502908d778SJames Bottomley u8 _r; 5512908d778SJames Bottomley u16 next; 5522908d778SJames Bottomley u8 num_phys; /* number of PHYs in the PCI function */ 5532908d778SJames Bottomley u8 _r2[3]; 5542908d778SJames Bottomley struct asd_ctrla_phy_entry phy_ent[ASD_MAX_PHYS]; 5552908d778SJames Bottomley } __attribute__ ((packed)); 5562908d778SJames Bottomley 5572908d778SJames Bottomley struct asd_ll_el { 5582908d778SJames Bottomley u8 id0; 5592908d778SJames Bottomley u8 id1; 5602908d778SJames Bottomley __le16 next; 5612908d778SJames Bottomley u8 something_here[0]; 5622908d778SJames Bottomley } __attribute__ ((packed)); 5632908d778SJames Bottomley 5642908d778SJames Bottomley static int asd_poll_flash(struct asd_ha_struct *asd_ha) 5652908d778SJames Bottomley { 5662908d778SJames Bottomley int c; 5672908d778SJames Bottomley u8 d; 5682908d778SJames Bottomley 5692908d778SJames Bottomley for (c = 5000; c > 0; c--) { 5702908d778SJames Bottomley d = asd_read_reg_byte(asd_ha, asd_ha->hw_prof.flash.bar); 5712908d778SJames Bottomley d ^= asd_read_reg_byte(asd_ha, asd_ha->hw_prof.flash.bar); 5722908d778SJames Bottomley if (!d) 5732908d778SJames Bottomley return 0; 5742908d778SJames Bottomley udelay(5); 5752908d778SJames Bottomley } 5762908d778SJames Bottomley return -ENOENT; 5772908d778SJames Bottomley } 5782908d778SJames Bottomley 5792908d778SJames Bottomley static int asd_reset_flash(struct asd_ha_struct *asd_ha) 5802908d778SJames Bottomley { 5812908d778SJames Bottomley int err; 5822908d778SJames Bottomley 5832908d778SJames Bottomley err = asd_poll_flash(asd_ha); 5842908d778SJames Bottomley if (err) 5852908d778SJames Bottomley return err; 5862908d778SJames Bottomley asd_write_reg_byte(asd_ha, asd_ha->hw_prof.flash.bar, FLASH_RESET); 5872908d778SJames Bottomley err = asd_poll_flash(asd_ha); 5882908d778SJames Bottomley 5892908d778SJames Bottomley return err; 5902908d778SJames Bottomley } 5912908d778SJames Bottomley 5922908d778SJames Bottomley static inline int asd_read_flash_seg(struct asd_ha_struct *asd_ha, 5932908d778SJames Bottomley void *buffer, u32 offs, int size) 5942908d778SJames Bottomley { 5952908d778SJames Bottomley asd_read_reg_string(asd_ha, buffer, asd_ha->hw_prof.flash.bar+offs, 5962908d778SJames Bottomley size); 5972908d778SJames Bottomley return 0; 5982908d778SJames Bottomley } 5992908d778SJames Bottomley 6002908d778SJames Bottomley /** 6012908d778SJames Bottomley * asd_find_flash_dir - finds and reads the flash directory 6022908d778SJames Bottomley * @asd_ha: pointer to the host adapter structure 6032908d778SJames Bottomley * @flash_dir: pointer to flash directory structure 6042908d778SJames Bottomley * 6052908d778SJames Bottomley * If found, the flash directory segment will be copied to 6062908d778SJames Bottomley * @flash_dir. Return 1 if found, 0 if not. 6072908d778SJames Bottomley */ 6082908d778SJames Bottomley static int asd_find_flash_dir(struct asd_ha_struct *asd_ha, 6092908d778SJames Bottomley struct asd_flash_dir *flash_dir) 6102908d778SJames Bottomley { 6112908d778SJames Bottomley u32 v; 612d297a5d5SAndrew Morton for (v = 0; v < ASD_FLASH_SIZE; v += FLASH_NEXT_ENTRY_OFFS) { 6132908d778SJames Bottomley asd_read_flash_seg(asd_ha, flash_dir, v, 6142908d778SJames Bottomley sizeof(FLASH_DIR_COOKIE)-1); 6152908d778SJames Bottomley if (memcmp(flash_dir->cookie, FLASH_DIR_COOKIE, 6162908d778SJames Bottomley sizeof(FLASH_DIR_COOKIE)-1) == 0) { 6172908d778SJames Bottomley asd_ha->hw_prof.flash.dir_offs = v; 6182908d778SJames Bottomley asd_read_flash_seg(asd_ha, flash_dir, v, 6192908d778SJames Bottomley sizeof(*flash_dir)); 6202908d778SJames Bottomley return 1; 6212908d778SJames Bottomley } 6222908d778SJames Bottomley } 6232908d778SJames Bottomley return 0; 6242908d778SJames Bottomley } 6252908d778SJames Bottomley 6262908d778SJames Bottomley static int asd_flash_getid(struct asd_ha_struct *asd_ha) 6272908d778SJames Bottomley { 6282908d778SJames Bottomley int err = 0; 629f2d719c6SAlexis Bruemmer u32 reg; 6302908d778SJames Bottomley 6312908d778SJames Bottomley reg = asd_read_reg_dword(asd_ha, EXSICNFGR); 6322908d778SJames Bottomley 6332908d778SJames Bottomley if (pci_read_config_dword(asd_ha->pcidev, PCI_CONF_FLSH_BAR, 6342908d778SJames Bottomley &asd_ha->hw_prof.flash.bar)) { 6352908d778SJames Bottomley asd_printk("couldn't read PCI_CONF_FLSH_BAR of %s\n", 6362908d778SJames Bottomley pci_name(asd_ha->pcidev)); 6372908d778SJames Bottomley return -ENOENT; 6382908d778SJames Bottomley } 6392908d778SJames Bottomley asd_ha->hw_prof.flash.present = 1; 6402908d778SJames Bottomley asd_ha->hw_prof.flash.wide = reg & FLASHW ? 1 : 0; 6412908d778SJames Bottomley err = asd_reset_flash(asd_ha); 6422908d778SJames Bottomley if (err) { 6432908d778SJames Bottomley ASD_DPRINTK("couldn't reset flash(%d)\n", err); 6442908d778SJames Bottomley return err; 6452908d778SJames Bottomley } 6462908d778SJames Bottomley return 0; 6472908d778SJames Bottomley } 6482908d778SJames Bottomley 6492908d778SJames Bottomley static u16 asd_calc_flash_chksum(u16 *p, int size) 6502908d778SJames Bottomley { 6512908d778SJames Bottomley u16 chksum = 0; 6522908d778SJames Bottomley 6532908d778SJames Bottomley while (size-- > 0) 6542908d778SJames Bottomley chksum += *p++; 6552908d778SJames Bottomley 6562908d778SJames Bottomley return chksum; 6572908d778SJames Bottomley } 6582908d778SJames Bottomley 6592908d778SJames Bottomley 6602908d778SJames Bottomley static int asd_find_flash_de(struct asd_flash_dir *flash_dir, u32 entry_type, 6612908d778SJames Bottomley u32 *offs, u32 *size) 6622908d778SJames Bottomley { 6632908d778SJames Bottomley int i; 6642908d778SJames Bottomley struct asd_flash_de *de; 6652908d778SJames Bottomley 6662908d778SJames Bottomley for (i = 0; i < FLASH_MAX_DIR_ENTRIES; i++) { 6672908d778SJames Bottomley u32 type = le32_to_cpu(flash_dir->dir_entry[i].type); 6682908d778SJames Bottomley 6692908d778SJames Bottomley type &= FLASH_DE_TYPE_MASK; 6702908d778SJames Bottomley if (type == entry_type) 6712908d778SJames Bottomley break; 6722908d778SJames Bottomley } 6732908d778SJames Bottomley if (i >= FLASH_MAX_DIR_ENTRIES) 6742908d778SJames Bottomley return -ENOENT; 6752908d778SJames Bottomley de = &flash_dir->dir_entry[i]; 6762908d778SJames Bottomley *offs = le32_to_cpu(de->offs); 6772908d778SJames Bottomley *size = le32_to_cpu(de->pad_size); 6782908d778SJames Bottomley return 0; 6792908d778SJames Bottomley } 6802908d778SJames Bottomley 6812908d778SJames Bottomley static int asd_validate_ms(struct asd_manuf_sec *ms) 6822908d778SJames Bottomley { 6832908d778SJames Bottomley if (ms->sig[0] != 'S' || ms->sig[1] != 'M') { 6842908d778SJames Bottomley ASD_DPRINTK("manuf sec: no valid sig(%c%c)\n", 6852908d778SJames Bottomley ms->sig[0], ms->sig[1]); 6862908d778SJames Bottomley return -ENOENT; 6872908d778SJames Bottomley } 6882908d778SJames Bottomley if (ms->maj != 0) { 6892908d778SJames Bottomley asd_printk("unsupported manuf. sector. major version:%x\n", 6902908d778SJames Bottomley ms->maj); 6912908d778SJames Bottomley return -ENOENT; 6922908d778SJames Bottomley } 6932908d778SJames Bottomley ms->offs_next = le16_to_cpu((__force __le16) ms->offs_next); 6942908d778SJames Bottomley ms->chksum = le16_to_cpu((__force __le16) ms->chksum); 6952908d778SJames Bottomley ms->size = le16_to_cpu((__force __le16) ms->size); 6962908d778SJames Bottomley 6972908d778SJames Bottomley if (asd_calc_flash_chksum((u16 *)ms, ms->size/2)) { 6982908d778SJames Bottomley asd_printk("failed manuf sector checksum\n"); 6992908d778SJames Bottomley } 7002908d778SJames Bottomley 7012908d778SJames Bottomley return 0; 7022908d778SJames Bottomley } 7032908d778SJames Bottomley 7042908d778SJames Bottomley static int asd_ms_get_sas_addr(struct asd_ha_struct *asd_ha, 7052908d778SJames Bottomley struct asd_manuf_sec *ms) 7062908d778SJames Bottomley { 7072908d778SJames Bottomley memcpy(asd_ha->hw_prof.sas_addr, ms->sas_addr, SAS_ADDR_SIZE); 7082908d778SJames Bottomley return 0; 7092908d778SJames Bottomley } 7102908d778SJames Bottomley 7112908d778SJames Bottomley static int asd_ms_get_pcba_sn(struct asd_ha_struct *asd_ha, 7122908d778SJames Bottomley struct asd_manuf_sec *ms) 7132908d778SJames Bottomley { 7142908d778SJames Bottomley memcpy(asd_ha->hw_prof.pcba_sn, ms->pcba_sn, ASD_PCBA_SN_SIZE); 7152908d778SJames Bottomley asd_ha->hw_prof.pcba_sn[ASD_PCBA_SN_SIZE] = '\0'; 7162908d778SJames Bottomley return 0; 7172908d778SJames Bottomley } 7182908d778SJames Bottomley 7192908d778SJames Bottomley /** 7202908d778SJames Bottomley * asd_find_ll_by_id - find a linked list entry by its id 7212908d778SJames Bottomley * @start: void pointer to the first element in the linked list 7222908d778SJames Bottomley * @id0: the first byte of the id (offs 0) 7232908d778SJames Bottomley * @id1: the second byte of the id (offs 1) 7242908d778SJames Bottomley * 7252908d778SJames Bottomley * @start has to be the _base_ element start, since the 7262908d778SJames Bottomley * linked list entries's offset is from this pointer. 7272908d778SJames Bottomley * Some linked list entries use only the first id, in which case 7282908d778SJames Bottomley * you can pass 0xFF for the second. 7292908d778SJames Bottomley */ 7302908d778SJames Bottomley static void *asd_find_ll_by_id(void * const start, const u8 id0, const u8 id1) 7312908d778SJames Bottomley { 7322908d778SJames Bottomley struct asd_ll_el *el = start; 7332908d778SJames Bottomley 7342908d778SJames Bottomley do { 7352908d778SJames Bottomley switch (id1) { 7362908d778SJames Bottomley default: 7372908d778SJames Bottomley if (el->id1 == id1) 7382908d778SJames Bottomley case 0xFF: 7392908d778SJames Bottomley if (el->id0 == id0) 7402908d778SJames Bottomley return el; 7412908d778SJames Bottomley } 7422908d778SJames Bottomley el = start + le16_to_cpu(el->next); 7432908d778SJames Bottomley } while (el != start); 7442908d778SJames Bottomley 7452908d778SJames Bottomley return NULL; 7462908d778SJames Bottomley } 7472908d778SJames Bottomley 7482908d778SJames Bottomley /** 7492908d778SJames Bottomley * asd_ms_get_phy_params - get phy parameters from the manufacturing sector 7502908d778SJames Bottomley * @asd_ha: pointer to the host adapter structure 7512908d778SJames Bottomley * @manuf_sec: pointer to the manufacturing sector 7522908d778SJames Bottomley * 7532908d778SJames Bottomley * The manufacturing sector contans also the linked list of sub-segments, 7542908d778SJames Bottomley * since when it was read, its size was taken from the flash directory, 7552908d778SJames Bottomley * not from the structure size. 7562908d778SJames Bottomley * 7572908d778SJames Bottomley * HIDDEN phys do not count in the total count. REPORTED phys cannot 7582908d778SJames Bottomley * be enabled but are reported and counted towards the total. 75986b9c4c1SAlexis Bruemmer * ENABLED phys are enabled by default and count towards the total. 7602908d778SJames Bottomley * The absolute total phy number is ASD_MAX_PHYS. hw_prof->num_phys 7612908d778SJames Bottomley * merely specifies the number of phys the host adapter decided to 7622908d778SJames Bottomley * report. E.g., it is possible for phys 0, 1 and 2 to be HIDDEN, 76386b9c4c1SAlexis Bruemmer * phys 3, 4 and 5 to be REPORTED and phys 6 and 7 to be ENABLED. 7642908d778SJames Bottomley * In this case ASD_MAX_PHYS is 8, hw_prof->num_phys is 5, and only 2 7652908d778SJames Bottomley * are actually enabled (enabled by default, max number of phys 7662908d778SJames Bottomley * enableable in this case). 7672908d778SJames Bottomley */ 7682908d778SJames Bottomley static int asd_ms_get_phy_params(struct asd_ha_struct *asd_ha, 7692908d778SJames Bottomley struct asd_manuf_sec *manuf_sec) 7702908d778SJames Bottomley { 7712908d778SJames Bottomley int i; 7722908d778SJames Bottomley int en_phys = 0; 7732908d778SJames Bottomley int rep_phys = 0; 7742908d778SJames Bottomley struct asd_manuf_phy_param *phy_param; 7752908d778SJames Bottomley struct asd_manuf_phy_param dflt_phy_param; 7762908d778SJames Bottomley 7772908d778SJames Bottomley phy_param = asd_find_ll_by_id(manuf_sec, 'P', 'M'); 7782908d778SJames Bottomley if (!phy_param) { 7792908d778SJames Bottomley ASD_DPRINTK("ms: no phy parameters found\n"); 7802908d778SJames Bottomley ASD_DPRINTK("ms: Creating default phy parameters\n"); 7812908d778SJames Bottomley dflt_phy_param.sig[0] = 'P'; 7822908d778SJames Bottomley dflt_phy_param.sig[1] = 'M'; 7832908d778SJames Bottomley dflt_phy_param.maj = 0; 7842908d778SJames Bottomley dflt_phy_param.min = 2; 7852908d778SJames Bottomley dflt_phy_param.num_phy_desc = 8; 7862908d778SJames Bottomley dflt_phy_param.phy_desc_size = sizeof(struct asd_manuf_phy_desc); 7872908d778SJames Bottomley for (i =0; i < ASD_MAX_PHYS; i++) { 7882908d778SJames Bottomley dflt_phy_param.phy_desc[i].state = 0; 7892908d778SJames Bottomley dflt_phy_param.phy_desc[i].phy_id = i; 7902908d778SJames Bottomley dflt_phy_param.phy_desc[i].phy_control_0 = 0xf6; 7912908d778SJames Bottomley dflt_phy_param.phy_desc[i].phy_control_1 = 0x10; 7922908d778SJames Bottomley dflt_phy_param.phy_desc[i].phy_control_2 = 0x43; 7932908d778SJames Bottomley dflt_phy_param.phy_desc[i].phy_control_3 = 0xeb; 7942908d778SJames Bottomley } 7952908d778SJames Bottomley 7962908d778SJames Bottomley phy_param = &dflt_phy_param; 7972908d778SJames Bottomley 7982908d778SJames Bottomley } 7992908d778SJames Bottomley 8002908d778SJames Bottomley if (phy_param->maj != 0) { 8012908d778SJames Bottomley asd_printk("unsupported manuf. phy param major version:0x%x\n", 8022908d778SJames Bottomley phy_param->maj); 8032908d778SJames Bottomley return -ENOENT; 8042908d778SJames Bottomley } 8052908d778SJames Bottomley 8062908d778SJames Bottomley ASD_DPRINTK("ms: num_phy_desc: %d\n", phy_param->num_phy_desc); 8072908d778SJames Bottomley asd_ha->hw_prof.enabled_phys = 0; 8082908d778SJames Bottomley for (i = 0; i < phy_param->num_phy_desc; i++) { 8092908d778SJames Bottomley struct asd_manuf_phy_desc *pd = &phy_param->phy_desc[i]; 8102908d778SJames Bottomley switch (pd->state & 0xF) { 8112908d778SJames Bottomley case MS_PHY_STATE_HIDDEN: 8122908d778SJames Bottomley ASD_DPRINTK("ms: phy%d: HIDDEN\n", i); 8132908d778SJames Bottomley continue; 8142908d778SJames Bottomley case MS_PHY_STATE_REPORTED: 8152908d778SJames Bottomley ASD_DPRINTK("ms: phy%d: REPORTED\n", i); 8162908d778SJames Bottomley asd_ha->hw_prof.enabled_phys &= ~(1 << i); 8172908d778SJames Bottomley rep_phys++; 8182908d778SJames Bottomley continue; 81986b9c4c1SAlexis Bruemmer case MS_PHY_STATE_ENABLED: 82086b9c4c1SAlexis Bruemmer ASD_DPRINTK("ms: phy%d: ENABLED\n", i); 8212908d778SJames Bottomley asd_ha->hw_prof.enabled_phys |= (1 << i); 8222908d778SJames Bottomley en_phys++; 8232908d778SJames Bottomley break; 8242908d778SJames Bottomley } 8252908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].phy_control_0 = pd->phy_control_0; 8262908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].phy_control_1 = pd->phy_control_1; 8272908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].phy_control_2 = pd->phy_control_2; 8282908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].phy_control_3 = pd->phy_control_3; 8292908d778SJames Bottomley } 8302908d778SJames Bottomley asd_ha->hw_prof.max_phys = rep_phys + en_phys; 8312908d778SJames Bottomley asd_ha->hw_prof.num_phys = en_phys; 8322908d778SJames Bottomley ASD_DPRINTK("ms: max_phys:0x%x, num_phys:0x%x\n", 8332908d778SJames Bottomley asd_ha->hw_prof.max_phys, asd_ha->hw_prof.num_phys); 8342908d778SJames Bottomley ASD_DPRINTK("ms: enabled_phys:0x%x\n", asd_ha->hw_prof.enabled_phys); 8352908d778SJames Bottomley return 0; 8362908d778SJames Bottomley } 8372908d778SJames Bottomley 8382908d778SJames Bottomley static int asd_ms_get_connector_map(struct asd_ha_struct *asd_ha, 8392908d778SJames Bottomley struct asd_manuf_sec *manuf_sec) 8402908d778SJames Bottomley { 8412908d778SJames Bottomley struct asd_ms_conn_map *cm; 8422908d778SJames Bottomley 8432908d778SJames Bottomley cm = asd_find_ll_by_id(manuf_sec, 'M', 'C'); 8442908d778SJames Bottomley if (!cm) { 8452908d778SJames Bottomley ASD_DPRINTK("ms: no connector map found\n"); 8462908d778SJames Bottomley return 0; 8472908d778SJames Bottomley } 8482908d778SJames Bottomley 8492908d778SJames Bottomley if (cm->maj != 0) { 8502908d778SJames Bottomley ASD_DPRINTK("ms: unsupported: connector map major version 0x%x" 8512908d778SJames Bottomley "\n", cm->maj); 8522908d778SJames Bottomley return -ENOENT; 8532908d778SJames Bottomley } 8542908d778SJames Bottomley 8552908d778SJames Bottomley /* XXX */ 8562908d778SJames Bottomley 8572908d778SJames Bottomley return 0; 8582908d778SJames Bottomley } 8592908d778SJames Bottomley 8602908d778SJames Bottomley 8612908d778SJames Bottomley /** 8622908d778SJames Bottomley * asd_process_ms - find and extract information from the manufacturing sector 8632908d778SJames Bottomley * @asd_ha: pointer to the host adapter structure 8642908d778SJames Bottomley * @flash_dir: pointer to the flash directory 8652908d778SJames Bottomley */ 8662908d778SJames Bottomley static int asd_process_ms(struct asd_ha_struct *asd_ha, 8672908d778SJames Bottomley struct asd_flash_dir *flash_dir) 8682908d778SJames Bottomley { 8692908d778SJames Bottomley int err; 8702908d778SJames Bottomley struct asd_manuf_sec *manuf_sec; 8712908d778SJames Bottomley u32 offs, size; 8722908d778SJames Bottomley 8732908d778SJames Bottomley err = asd_find_flash_de(flash_dir, FLASH_DE_MS, &offs, &size); 8742908d778SJames Bottomley if (err) { 8752908d778SJames Bottomley ASD_DPRINTK("Couldn't find the manuf. sector\n"); 8762908d778SJames Bottomley goto out; 8772908d778SJames Bottomley } 8782908d778SJames Bottomley 8792908d778SJames Bottomley if (size == 0) 8802908d778SJames Bottomley goto out; 8812908d778SJames Bottomley 8822908d778SJames Bottomley err = -ENOMEM; 8832908d778SJames Bottomley manuf_sec = kmalloc(size, GFP_KERNEL); 8842908d778SJames Bottomley if (!manuf_sec) { 8852908d778SJames Bottomley ASD_DPRINTK("no mem for manuf sector\n"); 8862908d778SJames Bottomley goto out; 8872908d778SJames Bottomley } 8882908d778SJames Bottomley 8892908d778SJames Bottomley err = asd_read_flash_seg(asd_ha, (void *)manuf_sec, offs, size); 8902908d778SJames Bottomley if (err) { 8912908d778SJames Bottomley ASD_DPRINTK("couldn't read manuf sector at 0x%x, size 0x%x\n", 8922908d778SJames Bottomley offs, size); 8932908d778SJames Bottomley goto out2; 8942908d778SJames Bottomley } 8952908d778SJames Bottomley 8962908d778SJames Bottomley err = asd_validate_ms(manuf_sec); 8972908d778SJames Bottomley if (err) { 8982908d778SJames Bottomley ASD_DPRINTK("couldn't validate manuf sector\n"); 8992908d778SJames Bottomley goto out2; 9002908d778SJames Bottomley } 9012908d778SJames Bottomley 9022908d778SJames Bottomley err = asd_ms_get_sas_addr(asd_ha, manuf_sec); 9032908d778SJames Bottomley if (err) { 9042908d778SJames Bottomley ASD_DPRINTK("couldn't read the SAS_ADDR\n"); 9052908d778SJames Bottomley goto out2; 9062908d778SJames Bottomley } 9072908d778SJames Bottomley ASD_DPRINTK("manuf sect SAS_ADDR %llx\n", 9082908d778SJames Bottomley SAS_ADDR(asd_ha->hw_prof.sas_addr)); 9092908d778SJames Bottomley 9102908d778SJames Bottomley err = asd_ms_get_pcba_sn(asd_ha, manuf_sec); 9112908d778SJames Bottomley if (err) { 9122908d778SJames Bottomley ASD_DPRINTK("couldn't read the PCBA SN\n"); 9132908d778SJames Bottomley goto out2; 9142908d778SJames Bottomley } 9152908d778SJames Bottomley ASD_DPRINTK("manuf sect PCBA SN %s\n", asd_ha->hw_prof.pcba_sn); 9162908d778SJames Bottomley 9172908d778SJames Bottomley err = asd_ms_get_phy_params(asd_ha, manuf_sec); 9182908d778SJames Bottomley if (err) { 9192908d778SJames Bottomley ASD_DPRINTK("ms: couldn't get phy parameters\n"); 9202908d778SJames Bottomley goto out2; 9212908d778SJames Bottomley } 9222908d778SJames Bottomley 9232908d778SJames Bottomley err = asd_ms_get_connector_map(asd_ha, manuf_sec); 9242908d778SJames Bottomley if (err) { 9252908d778SJames Bottomley ASD_DPRINTK("ms: couldn't get connector map\n"); 9262908d778SJames Bottomley goto out2; 9272908d778SJames Bottomley } 9282908d778SJames Bottomley 9292908d778SJames Bottomley out2: 9302908d778SJames Bottomley kfree(manuf_sec); 9312908d778SJames Bottomley out: 9322908d778SJames Bottomley return err; 9332908d778SJames Bottomley } 9342908d778SJames Bottomley 9352908d778SJames Bottomley static int asd_process_ctrla_phy_settings(struct asd_ha_struct *asd_ha, 9362908d778SJames Bottomley struct asd_ctrla_phy_settings *ps) 9372908d778SJames Bottomley { 9382908d778SJames Bottomley int i; 9392908d778SJames Bottomley for (i = 0; i < ps->num_phys; i++) { 9402908d778SJames Bottomley struct asd_ctrla_phy_entry *pe = &ps->phy_ent[i]; 9412908d778SJames Bottomley 9422908d778SJames Bottomley if (!PHY_ENABLED(asd_ha, i)) 9432908d778SJames Bottomley continue; 9442908d778SJames Bottomley if (*(u64 *)pe->sas_addr == 0) { 9452908d778SJames Bottomley asd_ha->hw_prof.enabled_phys &= ~(1 << i); 9462908d778SJames Bottomley continue; 9472908d778SJames Bottomley } 9482908d778SJames Bottomley /* This is the SAS address which should be sent in IDENTIFY. */ 9492908d778SJames Bottomley memcpy(asd_ha->hw_prof.phy_desc[i].sas_addr, pe->sas_addr, 9502908d778SJames Bottomley SAS_ADDR_SIZE); 9512908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].max_sas_lrate = 9522908d778SJames Bottomley (pe->sas_link_rates & 0xF0) >> 4; 9532908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].min_sas_lrate = 9542908d778SJames Bottomley (pe->sas_link_rates & 0x0F); 9552908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].max_sata_lrate = 9562908d778SJames Bottomley (pe->sata_link_rates & 0xF0) >> 4; 9572908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].min_sata_lrate = 9582908d778SJames Bottomley (pe->sata_link_rates & 0x0F); 9592908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].flags = pe->flags; 9602908d778SJames Bottomley ASD_DPRINTK("ctrla: phy%d: sas_addr: %llx, sas rate:0x%x-0x%x," 9612908d778SJames Bottomley " sata rate:0x%x-0x%x, flags:0x%x\n", 9622908d778SJames Bottomley i, 9632908d778SJames Bottomley SAS_ADDR(asd_ha->hw_prof.phy_desc[i].sas_addr), 9642908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].max_sas_lrate, 9652908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].min_sas_lrate, 9662908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].max_sata_lrate, 9672908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].min_sata_lrate, 9682908d778SJames Bottomley asd_ha->hw_prof.phy_desc[i].flags); 9692908d778SJames Bottomley } 9702908d778SJames Bottomley 9712908d778SJames Bottomley return 0; 9722908d778SJames Bottomley } 9732908d778SJames Bottomley 9742908d778SJames Bottomley /** 9752908d778SJames Bottomley * asd_process_ctrl_a_user - process CTRL-A user settings 9762908d778SJames Bottomley * @asd_ha: pointer to the host adapter structure 9772908d778SJames Bottomley * @flash_dir: pointer to the flash directory 9782908d778SJames Bottomley */ 9792908d778SJames Bottomley static int asd_process_ctrl_a_user(struct asd_ha_struct *asd_ha, 9802908d778SJames Bottomley struct asd_flash_dir *flash_dir) 9812908d778SJames Bottomley { 9822908d778SJames Bottomley int err, i; 9832908d778SJames Bottomley u32 offs, size; 9842908d778SJames Bottomley struct asd_ll_el *el; 9852908d778SJames Bottomley struct asd_ctrla_phy_settings *ps; 9862908d778SJames Bottomley struct asd_ctrla_phy_settings dflt_ps; 9872908d778SJames Bottomley 9882908d778SJames Bottomley err = asd_find_flash_de(flash_dir, FLASH_DE_CTRL_A_USER, &offs, &size); 9892908d778SJames Bottomley if (err) { 9902908d778SJames Bottomley ASD_DPRINTK("couldn't find CTRL-A user settings section\n"); 9912908d778SJames Bottomley ASD_DPRINTK("Creating default CTRL-A user settings section\n"); 9922908d778SJames Bottomley 9932908d778SJames Bottomley dflt_ps.id0 = 'h'; 9942908d778SJames Bottomley dflt_ps.num_phys = 8; 9952908d778SJames Bottomley for (i =0; i < ASD_MAX_PHYS; i++) { 9962908d778SJames Bottomley memcpy(dflt_ps.phy_ent[i].sas_addr, 9972908d778SJames Bottomley asd_ha->hw_prof.sas_addr, SAS_ADDR_SIZE); 9982908d778SJames Bottomley dflt_ps.phy_ent[i].sas_link_rates = 0x98; 9992908d778SJames Bottomley dflt_ps.phy_ent[i].flags = 0x0; 10002908d778SJames Bottomley dflt_ps.phy_ent[i].sata_link_rates = 0x0; 10012908d778SJames Bottomley } 10022908d778SJames Bottomley 10032908d778SJames Bottomley size = sizeof(struct asd_ctrla_phy_settings); 10042908d778SJames Bottomley ps = &dflt_ps; 10052908d778SJames Bottomley } 10062908d778SJames Bottomley 10072908d778SJames Bottomley if (size == 0) 10082908d778SJames Bottomley goto out; 10092908d778SJames Bottomley 10102908d778SJames Bottomley err = -ENOMEM; 10112908d778SJames Bottomley el = kmalloc(size, GFP_KERNEL); 10122908d778SJames Bottomley if (!el) { 10132908d778SJames Bottomley ASD_DPRINTK("no mem for ctrla user settings section\n"); 10142908d778SJames Bottomley goto out; 10152908d778SJames Bottomley } 10162908d778SJames Bottomley 10172908d778SJames Bottomley err = asd_read_flash_seg(asd_ha, (void *)el, offs, size); 10182908d778SJames Bottomley if (err) { 10192908d778SJames Bottomley ASD_DPRINTK("couldn't read ctrla phy settings section\n"); 10202908d778SJames Bottomley goto out2; 10212908d778SJames Bottomley } 10222908d778SJames Bottomley 10232908d778SJames Bottomley err = -ENOENT; 10242908d778SJames Bottomley ps = asd_find_ll_by_id(el, 'h', 0xFF); 10252908d778SJames Bottomley if (!ps) { 10262908d778SJames Bottomley ASD_DPRINTK("couldn't find ctrla phy settings struct\n"); 10272908d778SJames Bottomley goto out2; 10282908d778SJames Bottomley } 10292908d778SJames Bottomley 10302908d778SJames Bottomley err = asd_process_ctrla_phy_settings(asd_ha, ps); 10312908d778SJames Bottomley if (err) { 10322908d778SJames Bottomley ASD_DPRINTK("couldn't process ctrla phy settings\n"); 10332908d778SJames Bottomley goto out2; 10342908d778SJames Bottomley } 10352908d778SJames Bottomley out2: 10362908d778SJames Bottomley kfree(el); 10372908d778SJames Bottomley out: 10382908d778SJames Bottomley return err; 10392908d778SJames Bottomley } 10402908d778SJames Bottomley 10412908d778SJames Bottomley /** 10422908d778SJames Bottomley * asd_read_flash - read flash memory 10432908d778SJames Bottomley * @asd_ha: pointer to the host adapter structure 10442908d778SJames Bottomley */ 10452908d778SJames Bottomley int asd_read_flash(struct asd_ha_struct *asd_ha) 10462908d778SJames Bottomley { 10472908d778SJames Bottomley int err; 10482908d778SJames Bottomley struct asd_flash_dir *flash_dir; 10492908d778SJames Bottomley 10502908d778SJames Bottomley err = asd_flash_getid(asd_ha); 10512908d778SJames Bottomley if (err) 10522908d778SJames Bottomley return err; 10532908d778SJames Bottomley 10542908d778SJames Bottomley flash_dir = kmalloc(sizeof(*flash_dir), GFP_KERNEL); 10552908d778SJames Bottomley if (!flash_dir) 10562908d778SJames Bottomley return -ENOMEM; 10572908d778SJames Bottomley 10582908d778SJames Bottomley err = -ENOENT; 10592908d778SJames Bottomley if (!asd_find_flash_dir(asd_ha, flash_dir)) { 10602908d778SJames Bottomley ASD_DPRINTK("couldn't find flash directory\n"); 10612908d778SJames Bottomley goto out; 10622908d778SJames Bottomley } 10632908d778SJames Bottomley 10642908d778SJames Bottomley if (le32_to_cpu(flash_dir->rev) != 2) { 10652908d778SJames Bottomley asd_printk("unsupported flash dir version:0x%x\n", 10662908d778SJames Bottomley le32_to_cpu(flash_dir->rev)); 10672908d778SJames Bottomley goto out; 10682908d778SJames Bottomley } 10692908d778SJames Bottomley 10702908d778SJames Bottomley err = asd_process_ms(asd_ha, flash_dir); 10712908d778SJames Bottomley if (err) { 10722908d778SJames Bottomley ASD_DPRINTK("couldn't process manuf sector settings\n"); 10732908d778SJames Bottomley goto out; 10742908d778SJames Bottomley } 10752908d778SJames Bottomley 10762908d778SJames Bottomley err = asd_process_ctrl_a_user(asd_ha, flash_dir); 10772908d778SJames Bottomley if (err) { 10782908d778SJames Bottomley ASD_DPRINTK("couldn't process CTRL-A user settings\n"); 10792908d778SJames Bottomley goto out; 10802908d778SJames Bottomley } 10812908d778SJames Bottomley 10822908d778SJames Bottomley out: 10832908d778SJames Bottomley kfree(flash_dir); 10842908d778SJames Bottomley return err; 10852908d778SJames Bottomley } 1086