1476 lines
36 KiB
C
1476 lines
36 KiB
C
/*
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* Aic94xx SAS/SATA driver access to shared data structures and memory
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* maps.
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*
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* Copyright (C) 2005 Adaptec, Inc. All rights reserved.
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* Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
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*
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* This file is licensed under GPLv2.
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*
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* This file is part of the aic94xx driver.
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*
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* The aic94xx driver is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2 of the
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* License.
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*
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* The aic94xx driver is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the aic94xx driver; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <linux/pci.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include "aic94xx.h"
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#include "aic94xx_reg.h"
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#include "aic94xx_sds.h"
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/* ---------- OCM stuff ---------- */
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struct asd_ocm_dir_ent {
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u8 type;
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u8 offs[3];
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u8 _r1;
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u8 size[3];
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} __attribute__ ((packed));
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struct asd_ocm_dir {
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char sig[2];
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u8 _r1[2];
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u8 major; /* 0 */
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u8 minor; /* 0 */
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u8 _r2;
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u8 num_de;
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struct asd_ocm_dir_ent entry[15];
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} __attribute__ ((packed));
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#define OCM_DE_OCM_DIR 0x00
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#define OCM_DE_WIN_DRVR 0x01
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#define OCM_DE_BIOS_CHIM 0x02
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#define OCM_DE_RAID_ENGN 0x03
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#define OCM_DE_BIOS_INTL 0x04
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#define OCM_DE_BIOS_CHIM_OSM 0x05
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#define OCM_DE_BIOS_CHIM_DYNAMIC 0x06
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#define OCM_DE_ADDC2C_RES0 0x07
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#define OCM_DE_ADDC2C_RES1 0x08
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#define OCM_DE_ADDC2C_RES2 0x09
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#define OCM_DE_ADDC2C_RES3 0x0A
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#define OCM_INIT_DIR_ENTRIES 5
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/***************************************************************************
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* OCM directory default
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***************************************************************************/
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static struct asd_ocm_dir OCMDirInit =
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{
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.sig = {0x4D, 0x4F}, /* signature */
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.num_de = OCM_INIT_DIR_ENTRIES, /* no. of directory entries */
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};
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/***************************************************************************
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* OCM directory Entries default
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***************************************************************************/
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static struct asd_ocm_dir_ent OCMDirEntriesInit[OCM_INIT_DIR_ENTRIES] =
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{
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{
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.type = (OCM_DE_ADDC2C_RES0), /* Entry type */
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.offs = {128}, /* Offset */
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.size = {0, 4}, /* size */
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},
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{
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.type = (OCM_DE_ADDC2C_RES1), /* Entry type */
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.offs = {128, 4}, /* Offset */
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.size = {0, 4}, /* size */
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},
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{
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.type = (OCM_DE_ADDC2C_RES2), /* Entry type */
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.offs = {128, 8}, /* Offset */
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.size = {0, 4}, /* size */
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},
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{
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.type = (OCM_DE_ADDC2C_RES3), /* Entry type */
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.offs = {128, 12}, /* Offset */
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.size = {0, 4}, /* size */
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},
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{
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.type = (OCM_DE_WIN_DRVR), /* Entry type */
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.offs = {128, 16}, /* Offset */
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.size = {128, 235, 1}, /* size */
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},
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};
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struct asd_bios_chim_struct {
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char sig[4];
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u8 major; /* 1 */
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u8 minor; /* 0 */
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u8 bios_major;
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u8 bios_minor;
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__le32 bios_build;
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u8 flags;
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u8 pci_slot;
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__le16 ue_num;
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__le16 ue_size;
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u8 _r[14];
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/* The unit element array is right here.
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*/
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} __attribute__ ((packed));
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/**
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* asd_read_ocm_seg - read an on chip memory (OCM) segment
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* @asd_ha: pointer to the host adapter structure
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* @buffer: where to write the read data
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* @offs: offset into OCM where to read from
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* @size: how many bytes to read
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*
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* Return the number of bytes not read. Return 0 on success.
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*/
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static int asd_read_ocm_seg(struct asd_ha_struct *asd_ha, void *buffer,
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u32 offs, int size)
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{
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u8 *p = buffer;
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if (unlikely(asd_ha->iospace))
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asd_read_reg_string(asd_ha, buffer, offs+OCM_BASE_ADDR, size);
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else {
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for ( ; size > 0; size--, offs++, p++)
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*p = asd_read_ocm_byte(asd_ha, offs);
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}
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return size;
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}
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static int asd_read_ocm_dir(struct asd_ha_struct *asd_ha,
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struct asd_ocm_dir *dir, u32 offs)
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{
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int err = asd_read_ocm_seg(asd_ha, dir, offs, sizeof(*dir));
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if (err) {
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ASD_DPRINTK("couldn't read ocm segment\n");
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return err;
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}
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if (dir->sig[0] != 'M' || dir->sig[1] != 'O') {
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ASD_DPRINTK("no valid dir signature(%c%c) at start of OCM\n",
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dir->sig[0], dir->sig[1]);
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return -ENOENT;
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}
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if (dir->major != 0) {
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asd_printk("unsupported major version of ocm dir:0x%x\n",
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dir->major);
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return -ENOENT;
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}
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dir->num_de &= 0xf;
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return 0;
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}
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/**
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* asd_write_ocm_seg - write an on chip memory (OCM) segment
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* @asd_ha: pointer to the host adapter structure
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* @buffer: where to read the write data
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* @offs: offset into OCM to write to
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* @size: how many bytes to write
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*
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* Return the number of bytes not written. Return 0 on success.
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*/
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static void asd_write_ocm_seg(struct asd_ha_struct *asd_ha, void *buffer,
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u32 offs, int size)
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{
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u8 *p = buffer;
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if (unlikely(asd_ha->iospace))
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asd_write_reg_string(asd_ha, buffer, offs+OCM_BASE_ADDR, size);
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else {
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for ( ; size > 0; size--, offs++, p++)
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asd_write_ocm_byte(asd_ha, offs, *p);
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}
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return;
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}
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#define THREE_TO_NUM(X) ((X)[0] | ((X)[1] << 8) | ((X)[2] << 16))
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static int asd_find_dir_entry(struct asd_ocm_dir *dir, u8 type,
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u32 *offs, u32 *size)
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{
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int i;
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struct asd_ocm_dir_ent *ent;
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for (i = 0; i < dir->num_de; i++) {
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if (dir->entry[i].type == type)
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break;
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}
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if (i >= dir->num_de)
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return -ENOENT;
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ent = &dir->entry[i];
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*offs = (u32) THREE_TO_NUM(ent->offs);
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*size = (u32) THREE_TO_NUM(ent->size);
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return 0;
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}
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#define OCM_BIOS_CHIM_DE 2
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#define BC_BIOS_PRESENT 1
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static int asd_get_bios_chim(struct asd_ha_struct *asd_ha,
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struct asd_ocm_dir *dir)
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{
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int err;
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struct asd_bios_chim_struct *bc_struct;
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u32 offs, size;
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err = asd_find_dir_entry(dir, OCM_BIOS_CHIM_DE, &offs, &size);
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if (err) {
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ASD_DPRINTK("couldn't find BIOS_CHIM dir ent\n");
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goto out;
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}
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err = -ENOMEM;
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bc_struct = kmalloc(sizeof(*bc_struct), GFP_KERNEL);
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if (!bc_struct) {
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asd_printk("no memory for bios_chim struct\n");
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goto out;
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}
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err = asd_read_ocm_seg(asd_ha, (void *)bc_struct, offs,
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sizeof(*bc_struct));
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if (err) {
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ASD_DPRINTK("couldn't read ocm segment\n");
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goto out2;
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}
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if (strncmp(bc_struct->sig, "SOIB", 4)
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&& strncmp(bc_struct->sig, "IPSA", 4)) {
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ASD_DPRINTK("BIOS_CHIM entry has no valid sig(%c%c%c%c)\n",
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bc_struct->sig[0], bc_struct->sig[1],
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bc_struct->sig[2], bc_struct->sig[3]);
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err = -ENOENT;
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goto out2;
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}
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if (bc_struct->major != 1) {
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asd_printk("BIOS_CHIM unsupported major version:0x%x\n",
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bc_struct->major);
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err = -ENOENT;
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goto out2;
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}
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if (bc_struct->flags & BC_BIOS_PRESENT) {
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asd_ha->hw_prof.bios.present = 1;
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asd_ha->hw_prof.bios.maj = bc_struct->bios_major;
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asd_ha->hw_prof.bios.min = bc_struct->bios_minor;
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asd_ha->hw_prof.bios.bld = le32_to_cpu(bc_struct->bios_build);
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ASD_DPRINTK("BIOS present (%d,%d), %d\n",
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asd_ha->hw_prof.bios.maj,
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asd_ha->hw_prof.bios.min,
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asd_ha->hw_prof.bios.bld);
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}
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asd_ha->hw_prof.ue.num = le16_to_cpu(bc_struct->ue_num);
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asd_ha->hw_prof.ue.size= le16_to_cpu(bc_struct->ue_size);
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ASD_DPRINTK("ue num:%d, ue size:%d\n", asd_ha->hw_prof.ue.num,
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asd_ha->hw_prof.ue.size);
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size = asd_ha->hw_prof.ue.num * asd_ha->hw_prof.ue.size;
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if (size > 0) {
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err = -ENOMEM;
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asd_ha->hw_prof.ue.area = kmalloc(size, GFP_KERNEL);
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if (!asd_ha->hw_prof.ue.area)
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goto out2;
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err = asd_read_ocm_seg(asd_ha, (void *)asd_ha->hw_prof.ue.area,
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offs + sizeof(*bc_struct), size);
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if (err) {
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kfree(asd_ha->hw_prof.ue.area);
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asd_ha->hw_prof.ue.area = NULL;
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asd_ha->hw_prof.ue.num = 0;
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asd_ha->hw_prof.ue.size = 0;
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ASD_DPRINTK("couldn't read ue entries(%d)\n", err);
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}
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}
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out2:
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kfree(bc_struct);
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out:
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return err;
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}
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static void
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asd_hwi_initialize_ocm_dir (struct asd_ha_struct *asd_ha)
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{
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int i;
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/* Zero OCM */
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for (i = 0; i < OCM_MAX_SIZE; i += 4)
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asd_write_ocm_dword(asd_ha, i, 0);
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/* Write Dir */
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asd_write_ocm_seg(asd_ha, &OCMDirInit, 0,
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sizeof(struct asd_ocm_dir));
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/* Write Dir Entries */
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for (i = 0; i < OCM_INIT_DIR_ENTRIES; i++)
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asd_write_ocm_seg(asd_ha, &OCMDirEntriesInit[i],
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sizeof(struct asd_ocm_dir) +
|
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(i * sizeof(struct asd_ocm_dir_ent))
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, sizeof(struct asd_ocm_dir_ent));
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|
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}
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static int
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asd_hwi_check_ocm_access (struct asd_ha_struct *asd_ha)
|
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{
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struct pci_dev *pcidev = asd_ha->pcidev;
|
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u32 reg;
|
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int err = 0;
|
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u32 v;
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|
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/* check if OCM has been initialized by BIOS */
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reg = asd_read_reg_dword(asd_ha, EXSICNFGR);
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if (!(reg & OCMINITIALIZED)) {
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err = pci_read_config_dword(pcidev, PCIC_INTRPT_STAT, &v);
|
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if (err) {
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asd_printk("couldn't access PCIC_INTRPT_STAT of %s\n",
|
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pci_name(pcidev));
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goto out;
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}
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printk(KERN_INFO "OCM is not initialized by BIOS,"
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"reinitialize it and ignore it, current IntrptStatus"
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"is 0x%x\n", v);
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if (v)
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err = pci_write_config_dword(pcidev,
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PCIC_INTRPT_STAT, v);
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if (err) {
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asd_printk("couldn't write PCIC_INTRPT_STAT of %s\n",
|
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pci_name(pcidev));
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goto out;
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}
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asd_hwi_initialize_ocm_dir(asd_ha);
|
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|
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}
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out:
|
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return err;
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}
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|
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/**
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* asd_read_ocm - read on chip memory (OCM)
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* @asd_ha: pointer to the host adapter structure
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*/
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int asd_read_ocm(struct asd_ha_struct *asd_ha)
|
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{
|
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int err;
|
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struct asd_ocm_dir *dir;
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|
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if (asd_hwi_check_ocm_access(asd_ha))
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return -1;
|
|
|
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dir = kmalloc(sizeof(*dir), GFP_KERNEL);
|
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if (!dir) {
|
|
asd_printk("no memory for ocm dir\n");
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return -ENOMEM;
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}
|
|
|
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err = asd_read_ocm_dir(asd_ha, dir, 0);
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if (err)
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goto out;
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err = asd_get_bios_chim(asd_ha, dir);
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out:
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kfree(dir);
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return err;
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}
|
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|
|
/* ---------- 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;
|
|
}
|