mirror of https://gitee.com/openkylin/linux.git
285 lines
9.5 KiB
C
285 lines
9.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Aic94xx SAS/SATA driver hardware registers definitions.
|
|
*
|
|
* Copyright (C) 2005 Adaptec, Inc. All rights reserved.
|
|
* Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
|
|
*/
|
|
|
|
#ifndef _AIC94XX_REG_H_
|
|
#define _AIC94XX_REG_H_
|
|
|
|
#include <asm/io.h>
|
|
#include "aic94xx_hwi.h"
|
|
|
|
/* Values */
|
|
#define AIC9410_DEV_REV_B0 0x8
|
|
|
|
/* MBAR0, SWA, SWB, SWC, internal memory space addresses */
|
|
#define REG_BASE_ADDR 0xB8000000
|
|
#define REG_BASE_ADDR_CSEQCIO 0xB8002000
|
|
#define REG_BASE_ADDR_EXSI 0xB8042800
|
|
|
|
#define MBAR0_SWA_SIZE 0x58
|
|
extern u32 MBAR0_SWB_SIZE;
|
|
#define MBAR0_SWC_SIZE 0x8
|
|
|
|
/* MBAR1, points to On Chip Memory */
|
|
#define OCM_BASE_ADDR 0xA0000000
|
|
#define OCM_MAX_SIZE 0x20000
|
|
|
|
/* Smallest address possible to reference */
|
|
#define ALL_BASE_ADDR OCM_BASE_ADDR
|
|
|
|
/* PCI configuration space registers */
|
|
#define PCI_IOBAR_OFFSET 4
|
|
|
|
#define PCI_CONF_MBAR1 0x6C
|
|
#define PCI_CONF_MBAR0_SWA 0x70
|
|
#define PCI_CONF_MBAR0_SWB 0x74
|
|
#define PCI_CONF_MBAR0_SWC 0x78
|
|
#define PCI_CONF_MBAR_KEY 0x7C
|
|
#define PCI_CONF_FLSH_BAR 0xB8
|
|
|
|
#include "aic94xx_reg_def.h"
|
|
|
|
u8 asd_read_reg_byte(struct asd_ha_struct *asd_ha, u32 reg);
|
|
u16 asd_read_reg_word(struct asd_ha_struct *asd_ha, u32 reg);
|
|
u32 asd_read_reg_dword(struct asd_ha_struct *asd_ha, u32 reg);
|
|
|
|
void asd_write_reg_byte(struct asd_ha_struct *asd_ha, u32 reg, u8 val);
|
|
void asd_write_reg_word(struct asd_ha_struct *asd_ha, u32 reg, u16 val);
|
|
void asd_write_reg_dword(struct asd_ha_struct *asd_ha, u32 reg, u32 val);
|
|
|
|
void asd_read_reg_string(struct asd_ha_struct *asd_ha, void *dst,
|
|
u32 offs, int count);
|
|
void asd_write_reg_string(struct asd_ha_struct *asd_ha, void *src,
|
|
u32 offs, int count);
|
|
|
|
#define ASD_READ_OCM(type, ord, S) \
|
|
static inline type asd_read_ocm_##ord (struct asd_ha_struct *asd_ha, \
|
|
u32 offs) \
|
|
{ \
|
|
struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[1]; \
|
|
type val = read##S (io_handle->addr + (unsigned long) offs); \
|
|
rmb(); \
|
|
return val; \
|
|
}
|
|
|
|
ASD_READ_OCM(u8, byte, b);
|
|
ASD_READ_OCM(u16,word, w);
|
|
ASD_READ_OCM(u32,dword,l);
|
|
|
|
#define ASD_WRITE_OCM(type, ord, S) \
|
|
static inline void asd_write_ocm_##ord (struct asd_ha_struct *asd_ha, \
|
|
u32 offs, type val) \
|
|
{ \
|
|
struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[1]; \
|
|
write##S (val, io_handle->addr + (unsigned long) offs); \
|
|
return; \
|
|
}
|
|
|
|
ASD_WRITE_OCM(u8, byte, b);
|
|
ASD_WRITE_OCM(u16,word, w);
|
|
ASD_WRITE_OCM(u32,dword,l);
|
|
|
|
#define ASD_DDBSITE_READ(type, ord) \
|
|
static inline type asd_ddbsite_read_##ord (struct asd_ha_struct *asd_ha, \
|
|
u16 ddb_site_no, \
|
|
u16 offs) \
|
|
{ \
|
|
asd_write_reg_word(asd_ha, ALTCIOADR, MnDDB_SITE + offs); \
|
|
asd_write_reg_word(asd_ha, ADDBPTR, ddb_site_no); \
|
|
return asd_read_reg_##ord (asd_ha, CTXACCESS); \
|
|
}
|
|
|
|
ASD_DDBSITE_READ(u32, dword);
|
|
ASD_DDBSITE_READ(u16, word);
|
|
|
|
static inline u8 asd_ddbsite_read_byte(struct asd_ha_struct *asd_ha,
|
|
u16 ddb_site_no,
|
|
u16 offs)
|
|
{
|
|
if (offs & 1)
|
|
return asd_ddbsite_read_word(asd_ha, ddb_site_no,
|
|
offs & ~1) >> 8;
|
|
else
|
|
return asd_ddbsite_read_word(asd_ha, ddb_site_no,
|
|
offs) & 0xFF;
|
|
}
|
|
|
|
|
|
#define ASD_DDBSITE_WRITE(type, ord) \
|
|
static inline void asd_ddbsite_write_##ord (struct asd_ha_struct *asd_ha, \
|
|
u16 ddb_site_no, \
|
|
u16 offs, type val) \
|
|
{ \
|
|
asd_write_reg_word(asd_ha, ALTCIOADR, MnDDB_SITE + offs); \
|
|
asd_write_reg_word(asd_ha, ADDBPTR, ddb_site_no); \
|
|
asd_write_reg_##ord (asd_ha, CTXACCESS, val); \
|
|
}
|
|
|
|
ASD_DDBSITE_WRITE(u32, dword);
|
|
ASD_DDBSITE_WRITE(u16, word);
|
|
|
|
static inline void asd_ddbsite_write_byte(struct asd_ha_struct *asd_ha,
|
|
u16 ddb_site_no,
|
|
u16 offs, u8 val)
|
|
{
|
|
u16 base = offs & ~1;
|
|
u16 rval = asd_ddbsite_read_word(asd_ha, ddb_site_no, base);
|
|
if (offs & 1)
|
|
rval = (val << 8) | (rval & 0xFF);
|
|
else
|
|
rval = (rval & 0xFF00) | val;
|
|
asd_ddbsite_write_word(asd_ha, ddb_site_no, base, rval);
|
|
}
|
|
|
|
|
|
#define ASD_SCBSITE_READ(type, ord) \
|
|
static inline type asd_scbsite_read_##ord (struct asd_ha_struct *asd_ha, \
|
|
u16 scb_site_no, \
|
|
u16 offs) \
|
|
{ \
|
|
asd_write_reg_word(asd_ha, ALTCIOADR, MnSCB_SITE + offs); \
|
|
asd_write_reg_word(asd_ha, ASCBPTR, scb_site_no); \
|
|
return asd_read_reg_##ord (asd_ha, CTXACCESS); \
|
|
}
|
|
|
|
ASD_SCBSITE_READ(u32, dword);
|
|
ASD_SCBSITE_READ(u16, word);
|
|
|
|
static inline u8 asd_scbsite_read_byte(struct asd_ha_struct *asd_ha,
|
|
u16 scb_site_no,
|
|
u16 offs)
|
|
{
|
|
if (offs & 1)
|
|
return asd_scbsite_read_word(asd_ha, scb_site_no,
|
|
offs & ~1) >> 8;
|
|
else
|
|
return asd_scbsite_read_word(asd_ha, scb_site_no,
|
|
offs) & 0xFF;
|
|
}
|
|
|
|
|
|
#define ASD_SCBSITE_WRITE(type, ord) \
|
|
static inline void asd_scbsite_write_##ord (struct asd_ha_struct *asd_ha, \
|
|
u16 scb_site_no, \
|
|
u16 offs, type val) \
|
|
{ \
|
|
asd_write_reg_word(asd_ha, ALTCIOADR, MnSCB_SITE + offs); \
|
|
asd_write_reg_word(asd_ha, ASCBPTR, scb_site_no); \
|
|
asd_write_reg_##ord (asd_ha, CTXACCESS, val); \
|
|
}
|
|
|
|
ASD_SCBSITE_WRITE(u32, dword);
|
|
ASD_SCBSITE_WRITE(u16, word);
|
|
|
|
static inline void asd_scbsite_write_byte(struct asd_ha_struct *asd_ha,
|
|
u16 scb_site_no,
|
|
u16 offs, u8 val)
|
|
{
|
|
u16 base = offs & ~1;
|
|
u16 rval = asd_scbsite_read_word(asd_ha, scb_site_no, base);
|
|
if (offs & 1)
|
|
rval = (val << 8) | (rval & 0xFF);
|
|
else
|
|
rval = (rval & 0xFF00) | val;
|
|
asd_scbsite_write_word(asd_ha, scb_site_no, base, rval);
|
|
}
|
|
|
|
/**
|
|
* asd_ddbsite_update_word -- atomically update a word in a ddb site
|
|
* @asd_ha: pointer to host adapter structure
|
|
* @ddb_site_no: the DDB site number
|
|
* @offs: the offset into the DDB
|
|
* @oldval: old value found in that offset
|
|
* @newval: the new value to replace it
|
|
*
|
|
* This function is used when the sequencers are running and we need to
|
|
* update a DDB site atomically without expensive pausing and upausing
|
|
* of the sequencers and accessing the DDB site through the CIO bus.
|
|
*
|
|
* Return 0 on success; -EFAULT on parity error; -EAGAIN if the old value
|
|
* is different than the current value at that offset.
|
|
*/
|
|
static inline int asd_ddbsite_update_word(struct asd_ha_struct *asd_ha,
|
|
u16 ddb_site_no, u16 offs,
|
|
u16 oldval, u16 newval)
|
|
{
|
|
u8 done;
|
|
u16 oval = asd_ddbsite_read_word(asd_ha, ddb_site_no, offs);
|
|
if (oval != oldval)
|
|
return -EAGAIN;
|
|
asd_write_reg_word(asd_ha, AOLDDATA, oldval);
|
|
asd_write_reg_word(asd_ha, ANEWDATA, newval);
|
|
do {
|
|
done = asd_read_reg_byte(asd_ha, ATOMICSTATCTL);
|
|
} while (!(done & ATOMICDONE));
|
|
if (done & ATOMICERR)
|
|
return -EFAULT; /* parity error */
|
|
else if (done & ATOMICWIN)
|
|
return 0; /* success */
|
|
else
|
|
return -EAGAIN; /* oldval different than current value */
|
|
}
|
|
|
|
static inline int asd_ddbsite_update_byte(struct asd_ha_struct *asd_ha,
|
|
u16 ddb_site_no, u16 offs,
|
|
u8 _oldval, u8 _newval)
|
|
{
|
|
u16 base = offs & ~1;
|
|
u16 oval;
|
|
u16 nval = asd_ddbsite_read_word(asd_ha, ddb_site_no, base);
|
|
if (offs & 1) {
|
|
if ((nval >> 8) != _oldval)
|
|
return -EAGAIN;
|
|
nval = (_newval << 8) | (nval & 0xFF);
|
|
oval = (_oldval << 8) | (nval & 0xFF);
|
|
} else {
|
|
if ((nval & 0xFF) != _oldval)
|
|
return -EAGAIN;
|
|
nval = (nval & 0xFF00) | _newval;
|
|
oval = (nval & 0xFF00) | _oldval;
|
|
}
|
|
return asd_ddbsite_update_word(asd_ha, ddb_site_no, base, oval, nval);
|
|
}
|
|
|
|
static inline void asd_write_reg_addr(struct asd_ha_struct *asd_ha, u32 reg,
|
|
dma_addr_t dma_handle)
|
|
{
|
|
asd_write_reg_dword(asd_ha, reg, ASD_BUSADDR_LO(dma_handle));
|
|
asd_write_reg_dword(asd_ha, reg+4, ASD_BUSADDR_HI(dma_handle));
|
|
}
|
|
|
|
static inline u32 asd_get_cmdctx_size(struct asd_ha_struct *asd_ha)
|
|
{
|
|
/* DCHREVISION returns 0, possibly broken */
|
|
u32 ctxmemsize = asd_read_reg_dword(asd_ha, LmMnINT(0,0)) & CTXMEMSIZE;
|
|
return ctxmemsize ? 65536 : 32768;
|
|
}
|
|
|
|
static inline u32 asd_get_devctx_size(struct asd_ha_struct *asd_ha)
|
|
{
|
|
u32 ctxmemsize = asd_read_reg_dword(asd_ha, LmMnINT(0,0)) & CTXMEMSIZE;
|
|
return ctxmemsize ? 8192 : 4096;
|
|
}
|
|
|
|
static inline void asd_disable_ints(struct asd_ha_struct *asd_ha)
|
|
{
|
|
asd_write_reg_dword(asd_ha, CHIMINTEN, RST_CHIMINTEN);
|
|
}
|
|
|
|
static inline void asd_enable_ints(struct asd_ha_struct *asd_ha)
|
|
{
|
|
/* Enable COM SAS interrupt on errors, COMSTAT */
|
|
asd_write_reg_dword(asd_ha, COMSTATEN,
|
|
EN_CSBUFPERR | EN_CSERR | EN_OVLYERR);
|
|
/* Enable DCH SAS CFIFTOERR */
|
|
asd_write_reg_dword(asd_ha, DCHSTATUS, EN_CFIFTOERR);
|
|
/* Enable Host Device interrupts */
|
|
asd_write_reg_dword(asd_ha, CHIMINTEN, SET_CHIMINTEN);
|
|
}
|
|
|
|
#endif
|