1474 lines
		
	
	
	
		
			36 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1474 lines
		
	
	
	
		
			36 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Aic94xx SAS/SATA driver access to shared data structures and memory
 | |
|  * maps.
 | |
|  *
 | |
|  * Copyright (C) 2005 Adaptec, Inc.  All rights reserved.
 | |
|  * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
 | |
|  *
 | |
|  * This file is licensed under GPLv2.
 | |
|  *
 | |
|  * This file is part of the aic94xx driver.
 | |
|  *
 | |
|  * The aic94xx driver is free software; you can redistribute it and/or
 | |
|  * modify it under the terms of the GNU General Public License as
 | |
|  * published by the Free Software Foundation; version 2 of the
 | |
|  * License.
 | |
|  *
 | |
|  * The aic94xx driver is distributed in the hope that it will be useful,
 | |
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | |
|  * General Public License for more details.
 | |
|  *
 | |
|  * You should have received a copy of the GNU General Public License
 | |
|  * along with the aic94xx driver; if not, write to the Free Software
 | |
|  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 | |
|  *
 | |
|  */
 | |
| 
 | |
| #include <linux/pci.h>
 | |
| #include <linux/delay.h>
 | |
| 
 | |
| #include "aic94xx.h"
 | |
| #include "aic94xx_reg.h"
 | |
| #include "aic94xx_sds.h"
 | |
| 
 | |
| /* ---------- OCM stuff ---------- */
 | |
| 
 | |
| struct asd_ocm_dir_ent {
 | |
| 	u8 type;
 | |
| 	u8 offs[3];
 | |
| 	u8 _r1;
 | |
| 	u8 size[3];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| struct asd_ocm_dir {
 | |
| 	char sig[2];
 | |
| 	u8   _r1[2];
 | |
| 	u8   major;          /* 0 */
 | |
| 	u8   minor;          /* 0 */
 | |
| 	u8   _r2;
 | |
| 	u8   num_de;
 | |
| 	struct asd_ocm_dir_ent entry[15];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| #define	OCM_DE_OCM_DIR			0x00
 | |
| #define	OCM_DE_WIN_DRVR			0x01
 | |
| #define	OCM_DE_BIOS_CHIM		0x02
 | |
| #define	OCM_DE_RAID_ENGN		0x03
 | |
| #define	OCM_DE_BIOS_INTL		0x04
 | |
| #define	OCM_DE_BIOS_CHIM_OSM		0x05
 | |
| #define	OCM_DE_BIOS_CHIM_DYNAMIC	0x06
 | |
| #define	OCM_DE_ADDC2C_RES0		0x07
 | |
| #define	OCM_DE_ADDC2C_RES1		0x08
 | |
| #define	OCM_DE_ADDC2C_RES2		0x09
 | |
| #define	OCM_DE_ADDC2C_RES3		0x0A
 | |
| 
 | |
| #define OCM_INIT_DIR_ENTRIES	5
 | |
| /***************************************************************************
 | |
| *  OCM directory default
 | |
| ***************************************************************************/
 | |
| static struct asd_ocm_dir OCMDirInit =
 | |
| {
 | |
| 	.sig = {0x4D, 0x4F},	/* signature */
 | |
| 	.num_de = OCM_INIT_DIR_ENTRIES,	/* no. of directory entries */
 | |
| };
 | |
| 
 | |
| /***************************************************************************
 | |
| *  OCM directory Entries default
 | |
| ***************************************************************************/
 | |
| static struct asd_ocm_dir_ent OCMDirEntriesInit[OCM_INIT_DIR_ENTRIES] =
 | |
| {
 | |
| 	{
 | |
| 		.type = (OCM_DE_ADDC2C_RES0),	/* Entry type  */
 | |
| 		.offs = {128},			/* Offset */
 | |
| 		.size = {0, 4},			/* size */
 | |
| 	},
 | |
| 	{
 | |
| 		.type = (OCM_DE_ADDC2C_RES1),	/* Entry type  */
 | |
| 		.offs = {128, 4},		/* Offset */
 | |
| 		.size = {0, 4},			/* size */
 | |
| 	},
 | |
| 	{
 | |
| 		.type = (OCM_DE_ADDC2C_RES2),	/* Entry type  */
 | |
| 		.offs = {128, 8},		/* Offset */
 | |
| 		.size = {0, 4},			/* size */
 | |
| 	},
 | |
| 	{
 | |
| 		.type = (OCM_DE_ADDC2C_RES3),	/* Entry type  */
 | |
| 		.offs = {128, 12},		/* Offset */
 | |
| 		.size = {0, 4},			/* size */
 | |
| 	},
 | |
| 	{
 | |
| 		.type = (OCM_DE_WIN_DRVR),	/* Entry type  */
 | |
| 		.offs = {128, 16},		/* Offset */
 | |
| 		.size = {128, 235, 1},		/* size */
 | |
| 	},
 | |
| };
 | |
| 
 | |
| struct asd_bios_chim_struct {
 | |
| 	char sig[4];
 | |
| 	u8   major;          /* 1 */
 | |
| 	u8   minor;          /* 0 */
 | |
| 	u8   bios_major;
 | |
| 	u8   bios_minor;
 | |
| 	__le32  bios_build;
 | |
| 	u8   flags;
 | |
| 	u8   pci_slot;
 | |
| 	__le16  ue_num;
 | |
| 	__le16  ue_size;
 | |
| 	u8  _r[14];
 | |
| 	/* The unit element array is right here.
 | |
| 	 */
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| /**
 | |
|  * asd_read_ocm_seg - read an on chip memory (OCM) segment
 | |
|  * @asd_ha: pointer to the host adapter structure
 | |
|  * @buffer: where to write the read data
 | |
|  * @offs: offset into OCM where to read from
 | |
|  * @size: how many bytes to read
 | |
|  *
 | |
|  * Return the number of bytes not read. Return 0 on success.
 | |
|  */
 | |
| static int asd_read_ocm_seg(struct asd_ha_struct *asd_ha, void *buffer,
 | |
| 			    u32 offs, int size)
 | |
| {
 | |
| 	u8 *p = buffer;
 | |
| 	if (unlikely(asd_ha->iospace))
 | |
| 		asd_read_reg_string(asd_ha, buffer, offs+OCM_BASE_ADDR, size);
 | |
| 	else {
 | |
| 		for ( ; size > 0; size--, offs++, p++)
 | |
| 			*p = asd_read_ocm_byte(asd_ha, offs);
 | |
| 	}
 | |
| 	return size;
 | |
| }
 | |
| 
 | |
| static int asd_read_ocm_dir(struct asd_ha_struct *asd_ha,
 | |
| 			    struct asd_ocm_dir *dir, u32 offs)
 | |
| {
 | |
| 	int err = asd_read_ocm_seg(asd_ha, dir, offs, sizeof(*dir));
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't read ocm segment\n");
 | |
| 		return err;
 | |
| 	}
 | |
| 
 | |
| 	if (dir->sig[0] != 'M' || dir->sig[1] != 'O') {
 | |
| 		ASD_DPRINTK("no valid dir signature(%c%c) at start of OCM\n",
 | |
| 			    dir->sig[0], dir->sig[1]);
 | |
| 		return -ENOENT;
 | |
| 	}
 | |
| 	if (dir->major != 0) {
 | |
| 		asd_printk("unsupported major version of ocm dir:0x%x\n",
 | |
| 			   dir->major);
 | |
| 		return -ENOENT;
 | |
| 	}
 | |
| 	dir->num_de &= 0xf;
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * asd_write_ocm_seg - write an on chip memory (OCM) segment
 | |
|  * @asd_ha: pointer to the host adapter structure
 | |
|  * @buffer: where to read the write data
 | |
|  * @offs: offset into OCM to write to
 | |
|  * @size: how many bytes to write
 | |
|  *
 | |
|  * Return the number of bytes not written. Return 0 on success.
 | |
|  */
 | |
| static void asd_write_ocm_seg(struct asd_ha_struct *asd_ha, void *buffer,
 | |
| 			    u32 offs, int size)
 | |
| {
 | |
| 	u8 *p = buffer;
 | |
| 	if (unlikely(asd_ha->iospace))
 | |
| 		asd_write_reg_string(asd_ha, buffer, offs+OCM_BASE_ADDR, size);
 | |
| 	else {
 | |
| 		for ( ; size > 0; size--, offs++, p++)
 | |
| 			asd_write_ocm_byte(asd_ha, offs, *p);
 | |
| 	}
 | |
| 	return;
 | |
| }
 | |
| 
 | |
| #define THREE_TO_NUM(X) ((X)[0] | ((X)[1] << 8) | ((X)[2] << 16))
 | |
| 
 | |
| static int asd_find_dir_entry(struct asd_ocm_dir *dir, u8 type,
 | |
| 			      u32 *offs, u32 *size)
 | |
| {
 | |
| 	int i;
 | |
| 	struct asd_ocm_dir_ent *ent;
 | |
| 
 | |
| 	for (i = 0; i < dir->num_de; i++) {
 | |
| 		if (dir->entry[i].type == type)
 | |
| 			break;
 | |
| 	}
 | |
| 	if (i >= dir->num_de)
 | |
| 		return -ENOENT;
 | |
| 	ent = &dir->entry[i];
 | |
| 	*offs = (u32) THREE_TO_NUM(ent->offs);
 | |
| 	*size = (u32) THREE_TO_NUM(ent->size);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| #define OCM_BIOS_CHIM_DE  2
 | |
| #define BC_BIOS_PRESENT   1
 | |
| 
 | |
| static int asd_get_bios_chim(struct asd_ha_struct *asd_ha,
 | |
| 			     struct asd_ocm_dir *dir)
 | |
| {
 | |
| 	int err;
 | |
| 	struct asd_bios_chim_struct *bc_struct;
 | |
| 	u32 offs, size;
 | |
| 
 | |
| 	err = asd_find_dir_entry(dir, OCM_BIOS_CHIM_DE, &offs, &size);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't find BIOS_CHIM dir ent\n");
 | |
| 		goto out;
 | |
| 	}
 | |
| 	err = -ENOMEM;
 | |
| 	bc_struct = kmalloc(sizeof(*bc_struct), GFP_KERNEL);
 | |
| 	if (!bc_struct) {
 | |
| 		asd_printk("no memory for bios_chim struct\n");
 | |
| 		goto out;
 | |
| 	}
 | |
| 	err = asd_read_ocm_seg(asd_ha, (void *)bc_struct, offs,
 | |
| 			       sizeof(*bc_struct));
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't read ocm segment\n");
 | |
| 		goto out2;
 | |
| 	}
 | |
| 	if (strncmp(bc_struct->sig, "SOIB", 4)
 | |
| 	    && strncmp(bc_struct->sig, "IPSA", 4)) {
 | |
| 		ASD_DPRINTK("BIOS_CHIM entry has no valid sig(%c%c%c%c)\n",
 | |
| 			    bc_struct->sig[0], bc_struct->sig[1],
 | |
| 			    bc_struct->sig[2], bc_struct->sig[3]);
 | |
| 		err = -ENOENT;
 | |
| 		goto out2;
 | |
| 	}
 | |
| 	if (bc_struct->major != 1) {
 | |
| 		asd_printk("BIOS_CHIM unsupported major version:0x%x\n",
 | |
| 			   bc_struct->major);
 | |
| 		err = -ENOENT;
 | |
| 		goto out2;
 | |
| 	}
 | |
| 	if (bc_struct->flags & BC_BIOS_PRESENT) {
 | |
| 		asd_ha->hw_prof.bios.present = 1;
 | |
| 		asd_ha->hw_prof.bios.maj = bc_struct->bios_major;
 | |
| 		asd_ha->hw_prof.bios.min = bc_struct->bios_minor;
 | |
| 		asd_ha->hw_prof.bios.bld = le32_to_cpu(bc_struct->bios_build);
 | |
| 		ASD_DPRINTK("BIOS present (%d,%d), %d\n",
 | |
| 			    asd_ha->hw_prof.bios.maj,
 | |
| 			    asd_ha->hw_prof.bios.min,
 | |
| 			    asd_ha->hw_prof.bios.bld);
 | |
| 	}
 | |
| 	asd_ha->hw_prof.ue.num = le16_to_cpu(bc_struct->ue_num);
 | |
| 	asd_ha->hw_prof.ue.size= le16_to_cpu(bc_struct->ue_size);
 | |
| 	ASD_DPRINTK("ue num:%d, ue size:%d\n", asd_ha->hw_prof.ue.num,
 | |
| 		    asd_ha->hw_prof.ue.size);
 | |
| 	size = asd_ha->hw_prof.ue.num * asd_ha->hw_prof.ue.size;
 | |
| 	if (size > 0) {
 | |
| 		err = -ENOMEM;
 | |
| 		asd_ha->hw_prof.ue.area = kmalloc(size, GFP_KERNEL);
 | |
| 		if (!asd_ha->hw_prof.ue.area)
 | |
| 			goto out2;
 | |
| 		err = asd_read_ocm_seg(asd_ha, (void *)asd_ha->hw_prof.ue.area,
 | |
| 				       offs + sizeof(*bc_struct), size);
 | |
| 		if (err) {
 | |
| 			kfree(asd_ha->hw_prof.ue.area);
 | |
| 			asd_ha->hw_prof.ue.area = NULL;
 | |
| 			asd_ha->hw_prof.ue.num  = 0;
 | |
| 			asd_ha->hw_prof.ue.size = 0;
 | |
| 			ASD_DPRINTK("couldn't read ue entries(%d)\n", err);
 | |
| 		}
 | |
| 	}
 | |
| out2:
 | |
| 	kfree(bc_struct);
 | |
| out:
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| static void
 | |
| asd_hwi_initialize_ocm_dir (struct asd_ha_struct *asd_ha)
 | |
| {
 | |
| 	int i;
 | |
| 
 | |
| 	/* Zero OCM */
 | |
| 	for (i = 0; i < OCM_MAX_SIZE; i += 4)
 | |
| 		asd_write_ocm_dword(asd_ha, i, 0);
 | |
| 
 | |
| 	/* Write Dir */
 | |
| 	asd_write_ocm_seg(asd_ha, &OCMDirInit, 0,
 | |
| 			  sizeof(struct asd_ocm_dir));
 | |
| 
 | |
| 	/* Write Dir Entries */
 | |
| 	for (i = 0; i < OCM_INIT_DIR_ENTRIES; i++)
 | |
| 		asd_write_ocm_seg(asd_ha, &OCMDirEntriesInit[i],
 | |
| 				  sizeof(struct asd_ocm_dir) +
 | |
| 				  (i * sizeof(struct asd_ocm_dir_ent))
 | |
| 				  , sizeof(struct asd_ocm_dir_ent));
 | |
| 
 | |
| }
 | |
| 
 | |
| static int
 | |
| asd_hwi_check_ocm_access (struct asd_ha_struct *asd_ha)
 | |
| {
 | |
| 	struct pci_dev *pcidev = asd_ha->pcidev;
 | |
| 	u32 reg;
 | |
| 	int err = 0;
 | |
| 	u32 v;
 | |
| 
 | |
| 	/* check if OCM has been initialized by BIOS */
 | |
| 	reg = asd_read_reg_dword(asd_ha, EXSICNFGR);
 | |
| 
 | |
| 	if (!(reg & OCMINITIALIZED)) {
 | |
| 		err = pci_read_config_dword(pcidev, PCIC_INTRPT_STAT, &v);
 | |
| 		if (err) {
 | |
| 			asd_printk("couldn't access PCIC_INTRPT_STAT of %s\n",
 | |
| 					pci_name(pcidev));
 | |
| 			goto out;
 | |
| 		}
 | |
| 
 | |
| 		printk(KERN_INFO "OCM is not initialized by BIOS,"
 | |
| 		       "reinitialize it and ignore it, current IntrptStatus"
 | |
| 		       "is 0x%x\n", v);
 | |
| 
 | |
| 		if (v)
 | |
| 			err = pci_write_config_dword(pcidev,
 | |
| 						     PCIC_INTRPT_STAT, v);
 | |
| 		if (err) {
 | |
| 			asd_printk("couldn't write PCIC_INTRPT_STAT of %s\n",
 | |
| 					pci_name(pcidev));
 | |
| 			goto out;
 | |
| 		}
 | |
| 
 | |
| 		asd_hwi_initialize_ocm_dir(asd_ha);
 | |
| 
 | |
| 	}
 | |
| out:
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * asd_read_ocm - read on chip memory (OCM)
 | |
|  * @asd_ha: pointer to the host adapter structure
 | |
|  */
 | |
| int asd_read_ocm(struct asd_ha_struct *asd_ha)
 | |
| {
 | |
| 	int err;
 | |
| 	struct asd_ocm_dir *dir;
 | |
| 
 | |
| 	if (asd_hwi_check_ocm_access(asd_ha))
 | |
| 		return -1;
 | |
| 
 | |
| 	dir = kmalloc(sizeof(*dir), GFP_KERNEL);
 | |
| 	if (!dir) {
 | |
| 		asd_printk("no memory for ocm dir\n");
 | |
| 		return -ENOMEM;
 | |
| 	}
 | |
| 
 | |
| 	err = asd_read_ocm_dir(asd_ha, dir, 0);
 | |
| 	if (err)
 | |
| 		goto out;
 | |
| 
 | |
| 	err = asd_get_bios_chim(asd_ha, dir);
 | |
| out:
 | |
| 	kfree(dir);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| /* ---------- FLASH stuff ---------- */
 | |
| 
 | |
| #define FLASH_RESET			0xF0
 | |
| 
 | |
| #define ASD_FLASH_SIZE                  0x200000
 | |
| #define FLASH_DIR_COOKIE                "*** ADAPTEC FLASH DIRECTORY *** "
 | |
| #define FLASH_NEXT_ENTRY_OFFS		0x2000
 | |
| #define FLASH_MAX_DIR_ENTRIES		32
 | |
| 
 | |
| #define FLASH_DE_TYPE_MASK              0x3FFFFFFF
 | |
| #define FLASH_DE_MS                     0x120
 | |
| #define FLASH_DE_CTRL_A_USER            0xE0
 | |
| 
 | |
| struct asd_flash_de {
 | |
| 	__le32   type;
 | |
| 	__le32   offs;
 | |
| 	__le32   pad_size;
 | |
| 	__le32   image_size;
 | |
| 	__le32   chksum;
 | |
| 	u8       _r[12];
 | |
| 	u8       version[32];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| struct asd_flash_dir {
 | |
| 	u8    cookie[32];
 | |
| 	__le32   rev;		  /* 2 */
 | |
| 	__le32   chksum;
 | |
| 	__le32   chksum_antidote;
 | |
| 	__le32   bld;
 | |
| 	u8    bld_id[32];	  /* build id data */
 | |
| 	u8    ver_data[32];	  /* date and time of build */
 | |
| 	__le32   ae_mask;
 | |
| 	__le32   v_mask;
 | |
| 	__le32   oc_mask;
 | |
| 	u8    _r[20];
 | |
| 	struct asd_flash_de dir_entry[FLASH_MAX_DIR_ENTRIES];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| struct asd_manuf_sec {
 | |
| 	char  sig[2];		  /* 'S', 'M' */
 | |
| 	u16   offs_next;
 | |
| 	u8    maj;           /* 0 */
 | |
| 	u8    min;           /* 0 */
 | |
| 	u16   chksum;
 | |
| 	u16   size;
 | |
| 	u8    _r[6];
 | |
| 	u8    sas_addr[SAS_ADDR_SIZE];
 | |
| 	u8    pcba_sn[ASD_PCBA_SN_SIZE];
 | |
| 	/* Here start the other segments */
 | |
| 	u8    linked_list[0];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| struct asd_manuf_phy_desc {
 | |
| 	u8    state;         /* low 4 bits */
 | |
| #define MS_PHY_STATE_ENABLED    0
 | |
| #define MS_PHY_STATE_REPORTED   1
 | |
| #define MS_PHY_STATE_HIDDEN     2
 | |
| 	u8    phy_id;
 | |
| 	u16   _r;
 | |
| 	u8    phy_control_0; /* mode 5 reg 0x160 */
 | |
| 	u8    phy_control_1; /* mode 5 reg 0x161 */
 | |
| 	u8    phy_control_2; /* mode 5 reg 0x162 */
 | |
| 	u8    phy_control_3; /* mode 5 reg 0x163 */
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| struct asd_manuf_phy_param {
 | |
| 	char  sig[2];		  /* 'P', 'M' */
 | |
| 	u16   next;
 | |
| 	u8    maj;           /* 0 */
 | |
| 	u8    min;           /* 2 */
 | |
| 	u8    num_phy_desc;  /* 8 */
 | |
| 	u8    phy_desc_size; /* 8 */
 | |
| 	u8    _r[3];
 | |
| 	u8    usage_model_id;
 | |
| 	u32   _r2;
 | |
| 	struct asd_manuf_phy_desc phy_desc[ASD_MAX_PHYS];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| #if 0
 | |
| static const char *asd_sb_type[] = {
 | |
| 	"unknown",
 | |
| 	"SGPIO",
 | |
| 	[2 ... 0x7F] = "unknown",
 | |
| 	[0x80] = "ADPT_I2C",
 | |
| 	[0x81 ... 0xFF] = "VENDOR_UNIQUExx"
 | |
| };
 | |
| #endif
 | |
| 
 | |
| struct asd_ms_sb_desc {
 | |
| 	u8    type;
 | |
| 	u8    node_desc_index;
 | |
| 	u8    conn_desc_index;
 | |
| 	u8    _recvd[0];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| #if 0
 | |
| static const char *asd_conn_type[] = {
 | |
| 	[0 ... 7] = "unknown",
 | |
| 	"SFF8470",
 | |
| 	"SFF8482",
 | |
| 	"SFF8484",
 | |
| 	[0x80] = "PCIX_DAUGHTER0",
 | |
| 	[0x81] = "SAS_DAUGHTER0",
 | |
| 	[0x82 ... 0xFF] = "VENDOR_UNIQUExx"
 | |
| };
 | |
| 
 | |
| static const char *asd_conn_location[] = {
 | |
| 	"unknown",
 | |
| 	"internal",
 | |
| 	"external",
 | |
| 	"board_to_board",
 | |
| };
 | |
| #endif
 | |
| 
 | |
| struct asd_ms_conn_desc {
 | |
| 	u8    type;
 | |
| 	u8    location;
 | |
| 	u8    num_sideband_desc;
 | |
| 	u8    size_sideband_desc;
 | |
| 	u32   _resvd;
 | |
| 	u8    name[16];
 | |
| 	struct asd_ms_sb_desc sb_desc[0];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| struct asd_nd_phy_desc {
 | |
| 	u8    vp_attch_type;
 | |
| 	u8    attch_specific[0];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| #if 0
 | |
| static const char *asd_node_type[] = {
 | |
| 	"IOP",
 | |
| 	"IO_CONTROLLER",
 | |
| 	"EXPANDER",
 | |
| 	"PORT_MULTIPLIER",
 | |
| 	"PORT_MULTIPLEXER",
 | |
| 	"MULTI_DROP_I2C_BUS",
 | |
| };
 | |
| #endif
 | |
| 
 | |
| struct asd_ms_node_desc {
 | |
| 	u8    type;
 | |
| 	u8    num_phy_desc;
 | |
| 	u8    size_phy_desc;
 | |
| 	u8    _resvd;
 | |
| 	u8    name[16];
 | |
| 	struct asd_nd_phy_desc phy_desc[0];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| struct asd_ms_conn_map {
 | |
| 	char  sig[2];		  /* 'M', 'C' */
 | |
| 	__le16 next;
 | |
| 	u8    maj;		  /* 0 */
 | |
| 	u8    min;		  /* 0 */
 | |
| 	__le16 cm_size;		  /* size of this struct */
 | |
| 	u8    num_conn;
 | |
| 	u8    conn_size;
 | |
| 	u8    num_nodes;
 | |
| 	u8    usage_model_id;
 | |
| 	u32   _resvd;
 | |
| 	struct asd_ms_conn_desc conn_desc[0];
 | |
| 	struct asd_ms_node_desc node_desc[0];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| struct asd_ctrla_phy_entry {
 | |
| 	u8    sas_addr[SAS_ADDR_SIZE];
 | |
| 	u8    sas_link_rates;  /* max in hi bits, min in low bits */
 | |
| 	u8    flags;
 | |
| 	u8    sata_link_rates;
 | |
| 	u8    _r[5];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| struct asd_ctrla_phy_settings {
 | |
| 	u8    id0;		  /* P'h'y */
 | |
| 	u8    _r;
 | |
| 	u16   next;
 | |
| 	u8    num_phys;	      /* number of PHYs in the PCI function */
 | |
| 	u8    _r2[3];
 | |
| 	struct asd_ctrla_phy_entry phy_ent[ASD_MAX_PHYS];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| struct asd_ll_el {
 | |
| 	u8   id0;
 | |
| 	u8   id1;
 | |
| 	__le16  next;
 | |
| 	u8   something_here[0];
 | |
| } __attribute__ ((packed));
 | |
| 
 | |
| static int asd_poll_flash(struct asd_ha_struct *asd_ha)
 | |
| {
 | |
| 	int c;
 | |
| 	u8 d;
 | |
| 
 | |
| 	for (c = 5000; c > 0; c--) {
 | |
| 		d  = asd_read_reg_byte(asd_ha, asd_ha->hw_prof.flash.bar);
 | |
| 		d ^= asd_read_reg_byte(asd_ha, asd_ha->hw_prof.flash.bar);
 | |
| 		if (!d)
 | |
| 			return 0;
 | |
| 		udelay(5);
 | |
| 	}
 | |
| 	return -ENOENT;
 | |
| }
 | |
| 
 | |
| static int asd_reset_flash(struct asd_ha_struct *asd_ha)
 | |
| {
 | |
| 	int err;
 | |
| 
 | |
| 	err = asd_poll_flash(asd_ha);
 | |
| 	if (err)
 | |
| 		return err;
 | |
| 	asd_write_reg_byte(asd_ha, asd_ha->hw_prof.flash.bar, FLASH_RESET);
 | |
| 	err = asd_poll_flash(asd_ha);
 | |
| 
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| static int asd_read_flash_seg(struct asd_ha_struct *asd_ha,
 | |
| 			      void *buffer, u32 offs, int size)
 | |
| {
 | |
| 	asd_read_reg_string(asd_ha, buffer, asd_ha->hw_prof.flash.bar+offs,
 | |
| 			    size);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * asd_find_flash_dir - finds and reads the flash directory
 | |
|  * @asd_ha: pointer to the host adapter structure
 | |
|  * @flash_dir: pointer to flash directory structure
 | |
|  *
 | |
|  * If found, the flash directory segment will be copied to
 | |
|  * @flash_dir.  Return 1 if found, 0 if not.
 | |
|  */
 | |
| static int asd_find_flash_dir(struct asd_ha_struct *asd_ha,
 | |
| 			      struct asd_flash_dir *flash_dir)
 | |
| {
 | |
| 	u32 v;
 | |
| 	for (v = 0; v < ASD_FLASH_SIZE; v += FLASH_NEXT_ENTRY_OFFS) {
 | |
| 		asd_read_flash_seg(asd_ha, flash_dir, v,
 | |
| 				   sizeof(FLASH_DIR_COOKIE)-1);
 | |
| 		if (memcmp(flash_dir->cookie, FLASH_DIR_COOKIE,
 | |
| 			   sizeof(FLASH_DIR_COOKIE)-1) == 0) {
 | |
| 			asd_ha->hw_prof.flash.dir_offs = v;
 | |
| 			asd_read_flash_seg(asd_ha, flash_dir, v,
 | |
| 					   sizeof(*flash_dir));
 | |
| 			return 1;
 | |
| 		}
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int asd_flash_getid(struct asd_ha_struct *asd_ha)
 | |
| {
 | |
| 	int err = 0;
 | |
| 	u32 reg;
 | |
| 
 | |
| 	reg = asd_read_reg_dword(asd_ha, EXSICNFGR);
 | |
| 
 | |
| 	if (pci_read_config_dword(asd_ha->pcidev, PCI_CONF_FLSH_BAR,
 | |
| 				  &asd_ha->hw_prof.flash.bar)) {
 | |
| 		asd_printk("couldn't read PCI_CONF_FLSH_BAR of %s\n",
 | |
| 			   pci_name(asd_ha->pcidev));
 | |
| 		return -ENOENT;
 | |
| 	}
 | |
| 	asd_ha->hw_prof.flash.present = 1;
 | |
| 	asd_ha->hw_prof.flash.wide = reg & FLASHW ? 1 : 0;
 | |
| 	err = asd_reset_flash(asd_ha);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't reset flash(%d)\n", err);
 | |
| 		return err;
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static u16 asd_calc_flash_chksum(u16 *p, int size)
 | |
| {
 | |
| 	u16 chksum = 0;
 | |
| 
 | |
| 	while (size-- > 0)
 | |
| 		chksum += *p++;
 | |
| 
 | |
| 	return chksum;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int asd_find_flash_de(struct asd_flash_dir *flash_dir, u32 entry_type,
 | |
| 			     u32 *offs, u32 *size)
 | |
| {
 | |
| 	int i;
 | |
| 	struct asd_flash_de *de;
 | |
| 
 | |
| 	for (i = 0; i < FLASH_MAX_DIR_ENTRIES; i++) {
 | |
| 		u32 type = le32_to_cpu(flash_dir->dir_entry[i].type);
 | |
| 
 | |
| 		type &= FLASH_DE_TYPE_MASK;
 | |
| 		if (type == entry_type)
 | |
| 			break;
 | |
| 	}
 | |
| 	if (i >= FLASH_MAX_DIR_ENTRIES)
 | |
| 		return -ENOENT;
 | |
| 	de = &flash_dir->dir_entry[i];
 | |
| 	*offs = le32_to_cpu(de->offs);
 | |
| 	*size = le32_to_cpu(de->pad_size);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int asd_validate_ms(struct asd_manuf_sec *ms)
 | |
| {
 | |
| 	if (ms->sig[0] != 'S' || ms->sig[1] != 'M') {
 | |
| 		ASD_DPRINTK("manuf sec: no valid sig(%c%c)\n",
 | |
| 			    ms->sig[0], ms->sig[1]);
 | |
| 		return -ENOENT;
 | |
| 	}
 | |
| 	if (ms->maj != 0) {
 | |
| 		asd_printk("unsupported manuf. sector. major version:%x\n",
 | |
| 			   ms->maj);
 | |
| 		return -ENOENT;
 | |
| 	}
 | |
| 	ms->offs_next = le16_to_cpu((__force __le16) ms->offs_next);
 | |
| 	ms->chksum = le16_to_cpu((__force __le16) ms->chksum);
 | |
| 	ms->size = le16_to_cpu((__force __le16) ms->size);
 | |
| 
 | |
| 	if (asd_calc_flash_chksum((u16 *)ms, ms->size/2)) {
 | |
| 		asd_printk("failed manuf sector checksum\n");
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int asd_ms_get_sas_addr(struct asd_ha_struct *asd_ha,
 | |
| 			       struct asd_manuf_sec *ms)
 | |
| {
 | |
| 	memcpy(asd_ha->hw_prof.sas_addr, ms->sas_addr, SAS_ADDR_SIZE);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int asd_ms_get_pcba_sn(struct asd_ha_struct *asd_ha,
 | |
| 			      struct asd_manuf_sec *ms)
 | |
| {
 | |
| 	memcpy(asd_ha->hw_prof.pcba_sn, ms->pcba_sn, ASD_PCBA_SN_SIZE);
 | |
| 	asd_ha->hw_prof.pcba_sn[ASD_PCBA_SN_SIZE] = '\0';
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * asd_find_ll_by_id - find a linked list entry by its id
 | |
|  * @start: void pointer to the first element in the linked list
 | |
|  * @id0: the first byte of the id  (offs 0)
 | |
|  * @id1: the second byte of the id (offs 1)
 | |
|  *
 | |
|  * @start has to be the _base_ element start, since the
 | |
|  * linked list entries's offset is from this pointer.
 | |
|  * Some linked list entries use only the first id, in which case
 | |
|  * you can pass 0xFF for the second.
 | |
|  */
 | |
| static void *asd_find_ll_by_id(void * const start, const u8 id0, const u8 id1)
 | |
| {
 | |
| 	struct asd_ll_el *el = start;
 | |
| 
 | |
| 	do {
 | |
| 		switch (id1) {
 | |
| 		default:
 | |
| 			if (el->id1 == id1)
 | |
| 		case 0xFF:
 | |
| 				if (el->id0 == id0)
 | |
| 					return el;
 | |
| 		}
 | |
| 		el = start + le16_to_cpu(el->next);
 | |
| 	} while (el != start);
 | |
| 
 | |
| 	return NULL;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * asd_ms_get_phy_params - get phy parameters from the manufacturing sector
 | |
|  * @asd_ha: pointer to the host adapter structure
 | |
|  * @manuf_sec: pointer to the manufacturing sector
 | |
|  *
 | |
|  * The manufacturing sector contans also the linked list of sub-segments,
 | |
|  * since when it was read, its size was taken from the flash directory,
 | |
|  * not from the structure size.
 | |
|  *
 | |
|  * HIDDEN phys do not count in the total count.  REPORTED phys cannot
 | |
|  * be enabled but are reported and counted towards the total.
 | |
|  * ENABLED phys are enabled by default and count towards the total.
 | |
|  * The absolute total phy number is ASD_MAX_PHYS.  hw_prof->num_phys
 | |
|  * merely specifies the number of phys the host adapter decided to
 | |
|  * report.  E.g., it is possible for phys 0, 1 and 2 to be HIDDEN,
 | |
|  * phys 3, 4 and 5 to be REPORTED and phys 6 and 7 to be ENABLED.
 | |
|  * In this case ASD_MAX_PHYS is 8, hw_prof->num_phys is 5, and only 2
 | |
|  * are actually enabled (enabled by default, max number of phys
 | |
|  * enableable in this case).
 | |
|  */
 | |
| static int asd_ms_get_phy_params(struct asd_ha_struct *asd_ha,
 | |
| 				 struct asd_manuf_sec *manuf_sec)
 | |
| {
 | |
| 	int i;
 | |
| 	int en_phys = 0;
 | |
| 	int rep_phys = 0;
 | |
| 	struct asd_manuf_phy_param *phy_param;
 | |
| 	struct asd_manuf_phy_param dflt_phy_param;
 | |
| 
 | |
| 	phy_param = asd_find_ll_by_id(manuf_sec, 'P', 'M');
 | |
| 	if (!phy_param) {
 | |
| 		ASD_DPRINTK("ms: no phy parameters found\n");
 | |
| 		ASD_DPRINTK("ms: Creating default phy parameters\n");
 | |
| 		dflt_phy_param.sig[0] = 'P';
 | |
| 		dflt_phy_param.sig[1] = 'M';
 | |
| 		dflt_phy_param.maj = 0;
 | |
| 		dflt_phy_param.min = 2;
 | |
| 		dflt_phy_param.num_phy_desc = 8;
 | |
| 		dflt_phy_param.phy_desc_size = sizeof(struct asd_manuf_phy_desc);
 | |
| 		for (i =0; i < ASD_MAX_PHYS; i++) {
 | |
| 			dflt_phy_param.phy_desc[i].state = 0;
 | |
| 			dflt_phy_param.phy_desc[i].phy_id = i;
 | |
| 			dflt_phy_param.phy_desc[i].phy_control_0 = 0xf6;
 | |
| 			dflt_phy_param.phy_desc[i].phy_control_1 = 0x10;
 | |
| 			dflt_phy_param.phy_desc[i].phy_control_2 = 0x43;
 | |
| 			dflt_phy_param.phy_desc[i].phy_control_3 = 0xeb;
 | |
| 		}
 | |
| 
 | |
| 		phy_param = &dflt_phy_param;
 | |
| 
 | |
| 	}
 | |
| 
 | |
| 	if (phy_param->maj != 0) {
 | |
| 		asd_printk("unsupported manuf. phy param major version:0x%x\n",
 | |
| 			   phy_param->maj);
 | |
| 		return -ENOENT;
 | |
| 	}
 | |
| 
 | |
| 	ASD_DPRINTK("ms: num_phy_desc: %d\n", phy_param->num_phy_desc);
 | |
| 	asd_ha->hw_prof.enabled_phys = 0;
 | |
| 	for (i = 0; i < phy_param->num_phy_desc; i++) {
 | |
| 		struct asd_manuf_phy_desc *pd = &phy_param->phy_desc[i];
 | |
| 		switch (pd->state & 0xF) {
 | |
| 		case MS_PHY_STATE_HIDDEN:
 | |
| 			ASD_DPRINTK("ms: phy%d: HIDDEN\n", i);
 | |
| 			continue;
 | |
| 		case MS_PHY_STATE_REPORTED:
 | |
| 			ASD_DPRINTK("ms: phy%d: REPORTED\n", i);
 | |
| 			asd_ha->hw_prof.enabled_phys &= ~(1 << i);
 | |
| 			rep_phys++;
 | |
| 			continue;
 | |
| 		case MS_PHY_STATE_ENABLED:
 | |
| 			ASD_DPRINTK("ms: phy%d: ENABLED\n", i);
 | |
| 			asd_ha->hw_prof.enabled_phys |= (1 << i);
 | |
| 			en_phys++;
 | |
| 			break;
 | |
| 		}
 | |
| 		asd_ha->hw_prof.phy_desc[i].phy_control_0 = pd->phy_control_0;
 | |
| 		asd_ha->hw_prof.phy_desc[i].phy_control_1 = pd->phy_control_1;
 | |
| 		asd_ha->hw_prof.phy_desc[i].phy_control_2 = pd->phy_control_2;
 | |
| 		asd_ha->hw_prof.phy_desc[i].phy_control_3 = pd->phy_control_3;
 | |
| 	}
 | |
| 	asd_ha->hw_prof.max_phys = rep_phys + en_phys;
 | |
| 	asd_ha->hw_prof.num_phys = en_phys;
 | |
| 	ASD_DPRINTK("ms: max_phys:0x%x, num_phys:0x%x\n",
 | |
| 		    asd_ha->hw_prof.max_phys, asd_ha->hw_prof.num_phys);
 | |
| 	ASD_DPRINTK("ms: enabled_phys:0x%x\n", asd_ha->hw_prof.enabled_phys);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int asd_ms_get_connector_map(struct asd_ha_struct *asd_ha,
 | |
| 				    struct asd_manuf_sec *manuf_sec)
 | |
| {
 | |
| 	struct asd_ms_conn_map *cm;
 | |
| 
 | |
| 	cm = asd_find_ll_by_id(manuf_sec, 'M', 'C');
 | |
| 	if (!cm) {
 | |
| 		ASD_DPRINTK("ms: no connector map found\n");
 | |
| 		return 0;
 | |
| 	}
 | |
| 
 | |
| 	if (cm->maj != 0) {
 | |
| 		ASD_DPRINTK("ms: unsupported: connector map major version 0x%x"
 | |
| 			    "\n", cm->maj);
 | |
| 		return -ENOENT;
 | |
| 	}
 | |
| 
 | |
| 	/* XXX */
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * asd_process_ms - find and extract information from the manufacturing sector
 | |
|  * @asd_ha: pointer to the host adapter structure
 | |
|  * @flash_dir: pointer to the flash directory
 | |
|  */
 | |
| static int asd_process_ms(struct asd_ha_struct *asd_ha,
 | |
| 			  struct asd_flash_dir *flash_dir)
 | |
| {
 | |
| 	int err;
 | |
| 	struct asd_manuf_sec *manuf_sec;
 | |
| 	u32 offs, size;
 | |
| 
 | |
| 	err = asd_find_flash_de(flash_dir, FLASH_DE_MS, &offs, &size);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("Couldn't find the manuf. sector\n");
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	if (size == 0)
 | |
| 		goto out;
 | |
| 
 | |
| 	err = -ENOMEM;
 | |
| 	manuf_sec = kmalloc(size, GFP_KERNEL);
 | |
| 	if (!manuf_sec) {
 | |
| 		ASD_DPRINTK("no mem for manuf sector\n");
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	err = asd_read_flash_seg(asd_ha, (void *)manuf_sec, offs, size);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't read manuf sector at 0x%x, size 0x%x\n",
 | |
| 			    offs, size);
 | |
| 		goto out2;
 | |
| 	}
 | |
| 
 | |
| 	err = asd_validate_ms(manuf_sec);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't validate manuf sector\n");
 | |
| 		goto out2;
 | |
| 	}
 | |
| 
 | |
| 	err = asd_ms_get_sas_addr(asd_ha, manuf_sec);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't read the SAS_ADDR\n");
 | |
| 		goto out2;
 | |
| 	}
 | |
| 	ASD_DPRINTK("manuf sect SAS_ADDR %llx\n",
 | |
| 		    SAS_ADDR(asd_ha->hw_prof.sas_addr));
 | |
| 
 | |
| 	err = asd_ms_get_pcba_sn(asd_ha, manuf_sec);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't read the PCBA SN\n");
 | |
| 		goto out2;
 | |
| 	}
 | |
| 	ASD_DPRINTK("manuf sect PCBA SN %s\n", asd_ha->hw_prof.pcba_sn);
 | |
| 
 | |
| 	err = asd_ms_get_phy_params(asd_ha, manuf_sec);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("ms: couldn't get phy parameters\n");
 | |
| 		goto out2;
 | |
| 	}
 | |
| 
 | |
| 	err = asd_ms_get_connector_map(asd_ha, manuf_sec);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("ms: couldn't get connector map\n");
 | |
| 		goto out2;
 | |
| 	}
 | |
| 
 | |
| out2:
 | |
| 	kfree(manuf_sec);
 | |
| out:
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| static int asd_process_ctrla_phy_settings(struct asd_ha_struct *asd_ha,
 | |
| 					  struct asd_ctrla_phy_settings *ps)
 | |
| {
 | |
| 	int i;
 | |
| 	for (i = 0; i < ps->num_phys; i++) {
 | |
| 		struct asd_ctrla_phy_entry *pe = &ps->phy_ent[i];
 | |
| 
 | |
| 		if (!PHY_ENABLED(asd_ha, i))
 | |
| 			continue;
 | |
| 		if (*(u64 *)pe->sas_addr == 0) {
 | |
| 			asd_ha->hw_prof.enabled_phys &= ~(1 << i);
 | |
| 			continue;
 | |
| 		}
 | |
| 		/* This is the SAS address which should be sent in IDENTIFY. */
 | |
| 		memcpy(asd_ha->hw_prof.phy_desc[i].sas_addr, pe->sas_addr,
 | |
| 		       SAS_ADDR_SIZE);
 | |
| 		asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
 | |
| 			(pe->sas_link_rates & 0xF0) >> 4;
 | |
| 		asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
 | |
| 			(pe->sas_link_rates & 0x0F);
 | |
| 		asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
 | |
| 			(pe->sata_link_rates & 0xF0) >> 4;
 | |
| 		asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
 | |
| 			(pe->sata_link_rates & 0x0F);
 | |
| 		asd_ha->hw_prof.phy_desc[i].flags = pe->flags;
 | |
| 		ASD_DPRINTK("ctrla: phy%d: sas_addr: %llx, sas rate:0x%x-0x%x,"
 | |
| 			    " sata rate:0x%x-0x%x, flags:0x%x\n",
 | |
| 			    i,
 | |
| 			    SAS_ADDR(asd_ha->hw_prof.phy_desc[i].sas_addr),
 | |
| 			    asd_ha->hw_prof.phy_desc[i].max_sas_lrate,
 | |
| 			    asd_ha->hw_prof.phy_desc[i].min_sas_lrate,
 | |
| 			    asd_ha->hw_prof.phy_desc[i].max_sata_lrate,
 | |
| 			    asd_ha->hw_prof.phy_desc[i].min_sata_lrate,
 | |
| 			    asd_ha->hw_prof.phy_desc[i].flags);
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * asd_process_ctrl_a_user - process CTRL-A user settings
 | |
|  * @asd_ha: pointer to the host adapter structure
 | |
|  * @flash_dir: pointer to the flash directory
 | |
|  */
 | |
| static int asd_process_ctrl_a_user(struct asd_ha_struct *asd_ha,
 | |
| 				   struct asd_flash_dir *flash_dir)
 | |
| {
 | |
| 	int err, i;
 | |
| 	u32 offs, size;
 | |
| 	struct asd_ll_el *el;
 | |
| 	struct asd_ctrla_phy_settings *ps;
 | |
| 	struct asd_ctrla_phy_settings dflt_ps;
 | |
| 
 | |
| 	err = asd_find_flash_de(flash_dir, FLASH_DE_CTRL_A_USER, &offs, &size);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't find CTRL-A user settings section\n");
 | |
| 		ASD_DPRINTK("Creating default CTRL-A user settings section\n");
 | |
| 
 | |
| 		dflt_ps.id0 = 'h';
 | |
| 		dflt_ps.num_phys = 8;
 | |
| 		for (i =0; i < ASD_MAX_PHYS; i++) {
 | |
| 			memcpy(dflt_ps.phy_ent[i].sas_addr,
 | |
| 			       asd_ha->hw_prof.sas_addr, SAS_ADDR_SIZE);
 | |
| 			dflt_ps.phy_ent[i].sas_link_rates = 0x98;
 | |
| 			dflt_ps.phy_ent[i].flags = 0x0;
 | |
| 			dflt_ps.phy_ent[i].sata_link_rates = 0x0;
 | |
| 		}
 | |
| 
 | |
| 		size = sizeof(struct asd_ctrla_phy_settings);
 | |
| 		ps = &dflt_ps;
 | |
| 	}
 | |
| 
 | |
| 	if (size == 0)
 | |
| 		goto out;
 | |
| 
 | |
| 	err = -ENOMEM;
 | |
| 	el = kmalloc(size, GFP_KERNEL);
 | |
| 	if (!el) {
 | |
| 		ASD_DPRINTK("no mem for ctrla user settings section\n");
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	err = asd_read_flash_seg(asd_ha, (void *)el, offs, size);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't read ctrla phy settings section\n");
 | |
| 		goto out2;
 | |
| 	}
 | |
| 
 | |
| 	err = -ENOENT;
 | |
| 	ps = asd_find_ll_by_id(el, 'h', 0xFF);
 | |
| 	if (!ps) {
 | |
| 		ASD_DPRINTK("couldn't find ctrla phy settings struct\n");
 | |
| 		goto out2;
 | |
| 	}
 | |
| 
 | |
| 	err = asd_process_ctrla_phy_settings(asd_ha, ps);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't process ctrla phy settings\n");
 | |
| 		goto out2;
 | |
| 	}
 | |
| out2:
 | |
| 	kfree(el);
 | |
| out:
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * asd_read_flash - read flash memory
 | |
|  * @asd_ha: pointer to the host adapter structure
 | |
|  */
 | |
| int asd_read_flash(struct asd_ha_struct *asd_ha)
 | |
| {
 | |
| 	int err;
 | |
| 	struct asd_flash_dir *flash_dir;
 | |
| 
 | |
| 	err = asd_flash_getid(asd_ha);
 | |
| 	if (err)
 | |
| 		return err;
 | |
| 
 | |
| 	flash_dir = kmalloc(sizeof(*flash_dir), GFP_KERNEL);
 | |
| 	if (!flash_dir)
 | |
| 		return -ENOMEM;
 | |
| 
 | |
| 	err = -ENOENT;
 | |
| 	if (!asd_find_flash_dir(asd_ha, flash_dir)) {
 | |
| 		ASD_DPRINTK("couldn't find flash directory\n");
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	if (le32_to_cpu(flash_dir->rev) != 2) {
 | |
| 		asd_printk("unsupported flash dir version:0x%x\n",
 | |
| 			   le32_to_cpu(flash_dir->rev));
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	err = asd_process_ms(asd_ha, flash_dir);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't process manuf sector settings\n");
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	err = asd_process_ctrl_a_user(asd_ha, flash_dir);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't process CTRL-A user settings\n");
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| out:
 | |
| 	kfree(flash_dir);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * asd_verify_flash_seg - verify data with flash memory
 | |
|  * @asd_ha: pointer to the host adapter structure
 | |
|  * @src: pointer to the source data to be verified
 | |
|  * @dest_offset: offset from flash memory
 | |
|  * @bytes_to_verify: total bytes to verify
 | |
|  */
 | |
| int asd_verify_flash_seg(struct asd_ha_struct *asd_ha,
 | |
| 			 const void *src, u32 dest_offset, u32 bytes_to_verify)
 | |
| {
 | |
| 	const u8 *src_buf;
 | |
| 	u8 flash_char;
 | |
| 	int err;
 | |
| 	u32 nv_offset, reg, i;
 | |
| 
 | |
| 	reg = asd_ha->hw_prof.flash.bar;
 | |
| 	src_buf = NULL;
 | |
| 
 | |
| 	err = FLASH_OK;
 | |
| 	nv_offset = dest_offset;
 | |
| 	src_buf = (const u8 *)src;
 | |
| 	for (i = 0; i < bytes_to_verify; i++) {
 | |
| 		flash_char = asd_read_reg_byte(asd_ha, reg + nv_offset + i);
 | |
| 		if (flash_char != src_buf[i]) {
 | |
| 			err = FAIL_VERIFY;
 | |
| 			break;
 | |
| 		}
 | |
| 	}
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * asd_write_flash_seg - write data into flash memory
 | |
|  * @asd_ha: pointer to the host adapter structure
 | |
|  * @src: pointer to the source data to be written
 | |
|  * @dest_offset: offset from flash memory
 | |
|  * @bytes_to_write: total bytes to write
 | |
|  */
 | |
| int asd_write_flash_seg(struct asd_ha_struct *asd_ha,
 | |
| 			const void *src, u32 dest_offset, u32 bytes_to_write)
 | |
| {
 | |
| 	const u8 *src_buf;
 | |
| 	u32 nv_offset, reg, i;
 | |
| 	int err;
 | |
| 
 | |
| 	reg = asd_ha->hw_prof.flash.bar;
 | |
| 	src_buf = NULL;
 | |
| 
 | |
| 	err = asd_check_flash_type(asd_ha);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't find the type of flash. err=%d\n", err);
 | |
| 		return err;
 | |
| 	}
 | |
| 
 | |
| 	nv_offset = dest_offset;
 | |
| 	err = asd_erase_nv_sector(asd_ha, nv_offset, bytes_to_write);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("Erase failed at offset:0x%x\n",
 | |
| 			nv_offset);
 | |
| 		return err;
 | |
| 	}
 | |
| 
 | |
| 	err = asd_reset_flash(asd_ha);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
 | |
| 		return err;
 | |
| 	}
 | |
| 
 | |
| 	src_buf = (const u8 *)src;
 | |
| 	for (i = 0; i < bytes_to_write; i++) {
 | |
| 		/* Setup program command sequence */
 | |
| 		switch (asd_ha->hw_prof.flash.method) {
 | |
| 		case FLASH_METHOD_A:
 | |
| 		{
 | |
| 			asd_write_reg_byte(asd_ha,
 | |
| 					(reg + 0xAAA), 0xAA);
 | |
| 			asd_write_reg_byte(asd_ha,
 | |
| 					(reg + 0x555), 0x55);
 | |
| 			asd_write_reg_byte(asd_ha,
 | |
| 					(reg + 0xAAA), 0xA0);
 | |
| 			asd_write_reg_byte(asd_ha,
 | |
| 					(reg + nv_offset + i),
 | |
| 					(*(src_buf + i)));
 | |
| 			break;
 | |
| 		}
 | |
| 		case FLASH_METHOD_B:
 | |
| 		{
 | |
| 			asd_write_reg_byte(asd_ha,
 | |
| 					(reg + 0x555), 0xAA);
 | |
| 			asd_write_reg_byte(asd_ha,
 | |
| 					(reg + 0x2AA), 0x55);
 | |
| 			asd_write_reg_byte(asd_ha,
 | |
| 					(reg + 0x555), 0xA0);
 | |
| 			asd_write_reg_byte(asd_ha,
 | |
| 					(reg + nv_offset + i),
 | |
| 					(*(src_buf + i)));
 | |
| 			break;
 | |
| 		}
 | |
| 		default:
 | |
| 			break;
 | |
| 		}
 | |
| 		if (asd_chk_write_status(asd_ha,
 | |
| 				(nv_offset + i), 0) != 0) {
 | |
| 			ASD_DPRINTK("aicx: Write failed at offset:0x%x\n",
 | |
| 				reg + nv_offset + i);
 | |
| 			return FAIL_WRITE_FLASH;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	err = asd_reset_flash(asd_ha);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
 | |
| 		return err;
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int asd_chk_write_status(struct asd_ha_struct *asd_ha,
 | |
| 	 u32 sector_addr, u8 erase_flag)
 | |
| {
 | |
| 	u32 reg;
 | |
| 	u32 loop_cnt;
 | |
| 	u8  nv_data1, nv_data2;
 | |
| 	u8  toggle_bit1;
 | |
| 
 | |
| 	/*
 | |
| 	 * Read from DQ2 requires sector address
 | |
| 	 * while it's dont care for DQ6
 | |
| 	 */
 | |
| 	reg = asd_ha->hw_prof.flash.bar;
 | |
| 
 | |
| 	for (loop_cnt = 0; loop_cnt < 50000; loop_cnt++) {
 | |
| 		nv_data1 = asd_read_reg_byte(asd_ha, reg);
 | |
| 		nv_data2 = asd_read_reg_byte(asd_ha, reg);
 | |
| 
 | |
| 		toggle_bit1 = ((nv_data1 & FLASH_STATUS_BIT_MASK_DQ6)
 | |
| 				 ^ (nv_data2 & FLASH_STATUS_BIT_MASK_DQ6));
 | |
| 
 | |
| 		if (toggle_bit1 == 0) {
 | |
| 			return 0;
 | |
| 		} else {
 | |
| 			if (nv_data2 & FLASH_STATUS_BIT_MASK_DQ5) {
 | |
| 				nv_data1 = asd_read_reg_byte(asd_ha,
 | |
| 								reg);
 | |
| 				nv_data2 = asd_read_reg_byte(asd_ha,
 | |
| 								reg);
 | |
| 				toggle_bit1 =
 | |
| 				((nv_data1 & FLASH_STATUS_BIT_MASK_DQ6)
 | |
| 				^ (nv_data2 & FLASH_STATUS_BIT_MASK_DQ6));
 | |
| 
 | |
| 				if (toggle_bit1 == 0)
 | |
| 					return 0;
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		/*
 | |
| 		 * ERASE is a sector-by-sector operation and requires
 | |
| 		 * more time to finish while WRITE is byte-byte-byte
 | |
| 		 * operation and takes lesser time to finish.
 | |
| 		 *
 | |
| 		 * For some strange reason a reduced ERASE delay gives different
 | |
| 		 * behaviour across different spirit boards. Hence we set
 | |
| 		 * a optimum balance of 50mus for ERASE which works well
 | |
| 		 * across all boards.
 | |
| 		 */
 | |
| 		if (erase_flag) {
 | |
| 			udelay(FLASH_STATUS_ERASE_DELAY_COUNT);
 | |
| 		} else {
 | |
| 			udelay(FLASH_STATUS_WRITE_DELAY_COUNT);
 | |
| 		}
 | |
| 	}
 | |
| 	return -1;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * asd_hwi_erase_nv_sector - Erase the flash memory sectors.
 | |
|  * @asd_ha: pointer to the host adapter structure
 | |
|  * @flash_addr: pointer to offset from flash memory
 | |
|  * @size: total bytes to erase.
 | |
|  */
 | |
| int asd_erase_nv_sector(struct asd_ha_struct *asd_ha, u32 flash_addr, u32 size)
 | |
| {
 | |
| 	u32 reg;
 | |
| 	u32 sector_addr;
 | |
| 
 | |
| 	reg = asd_ha->hw_prof.flash.bar;
 | |
| 
 | |
| 	/* sector staring address */
 | |
| 	sector_addr = flash_addr & FLASH_SECTOR_SIZE_MASK;
 | |
| 
 | |
| 	/*
 | |
| 	 * Erasing an flash sector needs to be done in six consecutive
 | |
| 	 * write cyles.
 | |
| 	 */
 | |
| 	while (sector_addr < flash_addr+size) {
 | |
| 		switch (asd_ha->hw_prof.flash.method) {
 | |
| 		case FLASH_METHOD_A:
 | |
| 			asd_write_reg_byte(asd_ha, (reg + 0xAAA), 0xAA);
 | |
| 			asd_write_reg_byte(asd_ha, (reg + 0x555), 0x55);
 | |
| 			asd_write_reg_byte(asd_ha, (reg + 0xAAA), 0x80);
 | |
| 			asd_write_reg_byte(asd_ha, (reg + 0xAAA), 0xAA);
 | |
| 			asd_write_reg_byte(asd_ha, (reg + 0x555), 0x55);
 | |
| 			asd_write_reg_byte(asd_ha, (reg + sector_addr), 0x30);
 | |
| 			break;
 | |
| 		case FLASH_METHOD_B:
 | |
| 			asd_write_reg_byte(asd_ha, (reg + 0x555), 0xAA);
 | |
| 			asd_write_reg_byte(asd_ha, (reg + 0x2AA), 0x55);
 | |
| 			asd_write_reg_byte(asd_ha, (reg + 0x555), 0x80);
 | |
| 			asd_write_reg_byte(asd_ha, (reg + 0x555), 0xAA);
 | |
| 			asd_write_reg_byte(asd_ha, (reg + 0x2AA), 0x55);
 | |
| 			asd_write_reg_byte(asd_ha, (reg + sector_addr), 0x30);
 | |
| 			break;
 | |
| 		default:
 | |
| 			break;
 | |
| 		}
 | |
| 
 | |
| 		if (asd_chk_write_status(asd_ha, sector_addr, 1) != 0)
 | |
| 			return FAIL_ERASE_FLASH;
 | |
| 
 | |
| 		sector_addr += FLASH_SECTOR_SIZE;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int asd_check_flash_type(struct asd_ha_struct *asd_ha)
 | |
| {
 | |
| 	u8 manuf_id;
 | |
| 	u8 dev_id;
 | |
| 	u8 sec_prot;
 | |
| 	u32 inc;
 | |
| 	u32 reg;
 | |
| 	int err;
 | |
| 
 | |
| 	/* get Flash memory base address */
 | |
| 	reg = asd_ha->hw_prof.flash.bar;
 | |
| 
 | |
| 	/* Determine flash info */
 | |
| 	err = asd_reset_flash(asd_ha);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
 | |
| 		return err;
 | |
| 	}
 | |
| 
 | |
| 	asd_ha->hw_prof.flash.method = FLASH_METHOD_UNKNOWN;
 | |
| 	asd_ha->hw_prof.flash.manuf = FLASH_MANUF_ID_UNKNOWN;
 | |
| 	asd_ha->hw_prof.flash.dev_id = FLASH_DEV_ID_UNKNOWN;
 | |
| 
 | |
| 	/* Get flash info. This would most likely be AMD Am29LV family flash.
 | |
| 	 * First try the sequence for word mode.  It is the same as for
 | |
| 	 * 008B (byte mode only), 160B (word mode) and 800D (word mode).
 | |
| 	 */
 | |
| 	inc = asd_ha->hw_prof.flash.wide ? 2 : 1;
 | |
| 	asd_write_reg_byte(asd_ha, reg + 0xAAA, 0xAA);
 | |
| 	asd_write_reg_byte(asd_ha, reg + 0x555, 0x55);
 | |
| 	asd_write_reg_byte(asd_ha, reg + 0xAAA, 0x90);
 | |
| 	manuf_id = asd_read_reg_byte(asd_ha, reg);
 | |
| 	dev_id = asd_read_reg_byte(asd_ha, reg + inc);
 | |
| 	sec_prot = asd_read_reg_byte(asd_ha, reg + inc + inc);
 | |
| 	/* Get out of autoselect mode. */
 | |
| 	err = asd_reset_flash(asd_ha);
 | |
| 	if (err) {
 | |
| 		ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
 | |
| 		return err;
 | |
| 	}
 | |
| 	ASD_DPRINTK("Flash MethodA manuf_id(0x%x) dev_id(0x%x) "
 | |
| 		"sec_prot(0x%x)\n", manuf_id, dev_id, sec_prot);
 | |
| 	err = asd_reset_flash(asd_ha);
 | |
| 	if (err != 0)
 | |
| 		return err;
 | |
| 
 | |
| 	switch (manuf_id) {
 | |
| 	case FLASH_MANUF_ID_AMD:
 | |
| 		switch (sec_prot) {
 | |
| 		case FLASH_DEV_ID_AM29LV800DT:
 | |
| 		case FLASH_DEV_ID_AM29LV640MT:
 | |
| 		case FLASH_DEV_ID_AM29F800B:
 | |
| 			asd_ha->hw_prof.flash.method = FLASH_METHOD_A;
 | |
| 			break;
 | |
| 		default:
 | |
| 			break;
 | |
| 		}
 | |
| 		break;
 | |
| 	case FLASH_MANUF_ID_ST:
 | |
| 		switch (sec_prot) {
 | |
| 		case FLASH_DEV_ID_STM29W800DT:
 | |
| 		case FLASH_DEV_ID_STM29LV640:
 | |
| 			asd_ha->hw_prof.flash.method = FLASH_METHOD_A;
 | |
| 			break;
 | |
| 		default:
 | |
| 			break;
 | |
| 		}
 | |
| 		break;
 | |
| 	case FLASH_MANUF_ID_FUJITSU:
 | |
| 		switch (sec_prot) {
 | |
| 		case FLASH_DEV_ID_MBM29LV800TE:
 | |
| 		case FLASH_DEV_ID_MBM29DL800TA:
 | |
| 			asd_ha->hw_prof.flash.method = FLASH_METHOD_A;
 | |
| 			break;
 | |
| 		}
 | |
| 		break;
 | |
| 	case FLASH_MANUF_ID_MACRONIX:
 | |
| 		switch (sec_prot) {
 | |
| 		case FLASH_DEV_ID_MX29LV800BT:
 | |
| 			asd_ha->hw_prof.flash.method = FLASH_METHOD_A;
 | |
| 			break;
 | |
| 		}
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	if (asd_ha->hw_prof.flash.method == FLASH_METHOD_UNKNOWN) {
 | |
| 		err = asd_reset_flash(asd_ha);
 | |
| 		if (err) {
 | |
| 			ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
 | |
| 			return err;
 | |
| 		}
 | |
| 
 | |
| 		/* Issue Unlock sequence for AM29LV008BT */
 | |
| 		asd_write_reg_byte(asd_ha, (reg + 0x555), 0xAA);
 | |
| 		asd_write_reg_byte(asd_ha, (reg + 0x2AA), 0x55);
 | |
| 		asd_write_reg_byte(asd_ha, (reg + 0x555), 0x90);
 | |
| 		manuf_id = asd_read_reg_byte(asd_ha, reg);
 | |
| 		dev_id = asd_read_reg_byte(asd_ha, reg + inc);
 | |
| 		sec_prot = asd_read_reg_byte(asd_ha, reg + inc + inc);
 | |
| 
 | |
| 		ASD_DPRINTK("Flash MethodB manuf_id(0x%x) dev_id(0x%x) sec_prot"
 | |
| 			"(0x%x)\n", manuf_id, dev_id, sec_prot);
 | |
| 
 | |
| 		err = asd_reset_flash(asd_ha);
 | |
| 		if (err != 0) {
 | |
| 			ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
 | |
| 			return err;
 | |
| 		}
 | |
| 
 | |
| 		switch (manuf_id) {
 | |
| 		case FLASH_MANUF_ID_AMD:
 | |
| 			switch (dev_id) {
 | |
| 			case FLASH_DEV_ID_AM29LV008BT:
 | |
| 				asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
 | |
| 				break;
 | |
| 			default:
 | |
| 				break;
 | |
| 			}
 | |
| 			break;
 | |
| 		case FLASH_MANUF_ID_ST:
 | |
| 			switch (dev_id) {
 | |
| 			case FLASH_DEV_ID_STM29008:
 | |
| 				asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
 | |
| 				break;
 | |
| 			default:
 | |
| 				break;
 | |
| 			}
 | |
| 			break;
 | |
| 		case FLASH_MANUF_ID_FUJITSU:
 | |
| 			switch (dev_id) {
 | |
| 			case FLASH_DEV_ID_MBM29LV008TA:
 | |
| 				asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
 | |
| 				break;
 | |
| 			}
 | |
| 			break;
 | |
| 		case FLASH_MANUF_ID_INTEL:
 | |
| 			switch (dev_id) {
 | |
| 			case FLASH_DEV_ID_I28LV00TAT:
 | |
| 				asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
 | |
| 				break;
 | |
| 			}
 | |
| 			break;
 | |
| 		case FLASH_MANUF_ID_MACRONIX:
 | |
| 			switch (dev_id) {
 | |
| 			case FLASH_DEV_ID_I28LV00TAT:
 | |
| 				asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
 | |
| 				break;
 | |
| 			}
 | |
| 			break;
 | |
| 		default:
 | |
| 			return FAIL_FIND_FLASH_ID;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (asd_ha->hw_prof.flash.method == FLASH_METHOD_UNKNOWN)
 | |
| 	      return FAIL_FIND_FLASH_ID;
 | |
| 
 | |
| 	asd_ha->hw_prof.flash.manuf = manuf_id;
 | |
| 	asd_ha->hw_prof.flash.dev_id = dev_id;
 | |
| 	asd_ha->hw_prof.flash.sec_prot = sec_prot;
 | |
| 	return 0;
 | |
| }
 | 
