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/*
* Author: MontaVista Software, Inc.
* source@mvista.com
*
* Copyright 2001-2006 MontaVista Software Inc.
*
* This program 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; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ASM_TXX9_TX4927_H
#define __ASM_TXX9_TX4927_H
#include <linux/types.h>
#include <linux/io.h>
#include <asm/txx9irq.h>
#include <asm/txx9/tx4927pcic.h>
#define TX4927_IRQ_CP0_BEG MIPS_CPU_IRQ_BASE
#define TX4927_IRQ_CP0_END (MIPS_CPU_IRQ_BASE + 8 - 1)
#define TX4927_IRQ_PIC_BEG TXX9_IRQ_BASE
#define TX4927_IRQ_PIC_END (TXX9_IRQ_BASE + TXx9_MAX_IR - 1)
#define TX4927_IRQ_USER0 (TX4927_IRQ_CP0_BEG+0)
#define TX4927_IRQ_USER1 (TX4927_IRQ_CP0_BEG+1)
#define TX4927_IRQ_NEST_PIC_ON_CP0 (TX4927_IRQ_CP0_BEG+2)
#define TX4927_IRQ_CPU_TIMER (TX4927_IRQ_CP0_BEG+7)
#define TX4927_IRQ_NEST_EXT_ON_PIC (TX4927_IRQ_PIC_BEG+3)
#define TX4927_SDRAMC_REG 0xff1f8000
#define TX4927_EBUSC_REG 0xff1f9000
#define TX4927_PCIC_REG 0xff1fd000
#define TX4927_CCFG_REG 0xff1fe000
#define TX4927_IRC_REG 0xff1ff600
#define TX4927_NR_TMR 3
#define TX4927_TMR_REG(ch) (0xff1ff000 + (ch) * 0x100)
#define TX4927_IR_PCIC 16
#define TX4927_IR_PCIERR 22
#define TX4927_NUM_IR 32
struct tx4927_sdramc_reg {
volatile unsigned long long cr[4];
volatile unsigned long long unused0[4];
volatile unsigned long long tr;
volatile unsigned long long unused1[2];
volatile unsigned long long cmd;
};
struct tx4927_ebusc_reg {
volatile unsigned long long cr[8];
};
struct tx4927_ccfg_reg {
u64 ccfg;
u64 crir;
u64 pcfg;
u64 toea;
u64 clkctr;
u64 unused0;
u64 garbc;
u64 unused1;
u64 unused2;
u64 ramp;
};
/*
* CCFG
*/
/* CCFG : Chip Configuration */
#define TX4927_CCFG_WDRST 0x0000020000000000ULL
#define TX4927_CCFG_WDREXEN 0x0000010000000000ULL
#define TX4927_CCFG_BCFG_MASK 0x000000ff00000000ULL
#define TX4927_CCFG_TINTDIS 0x01000000
#define TX4927_CCFG_PCI66 0x00800000
#define TX4927_CCFG_PCIMODE 0x00400000
#define TX4927_CCFG_DIVMODE_MASK 0x000e0000
#define TX4927_CCFG_DIVMODE_8 (0x0 << 17)
#define TX4927_CCFG_DIVMODE_12 (0x1 << 17)
#define TX4927_CCFG_DIVMODE_16 (0x2 << 17)
#define TX4927_CCFG_DIVMODE_10 (0x3 << 17)
#define TX4927_CCFG_DIVMODE_2 (0x4 << 17)
#define TX4927_CCFG_DIVMODE_3 (0x5 << 17)
#define TX4927_CCFG_DIVMODE_4 (0x6 << 17)
#define TX4927_CCFG_DIVMODE_2_5 (0x7 << 17)
#define TX4927_CCFG_BEOW 0x00010000
#define TX4927_CCFG_WR 0x00008000
#define TX4927_CCFG_TOE 0x00004000
#define TX4927_CCFG_PCIARB 0x00002000
#define TX4927_CCFG_PCIDIVMODE_MASK 0x00001800
#define TX4927_CCFG_PCIDIVMODE_2_5 0x00000000
#define TX4927_CCFG_PCIDIVMODE_3 0x00000800
#define TX4927_CCFG_PCIDIVMODE_5 0x00001000
#define TX4927_CCFG_PCIDIVMODE_6 0x00001800
#define TX4927_CCFG_SYSSP_MASK 0x000000c0
#define TX4927_CCFG_ENDIAN 0x00000004
#define TX4927_CCFG_HALT 0x00000002
#define TX4927_CCFG_ACEHOLD 0x00000001
#define TX4927_CCFG_W1CBITS (TX4927_CCFG_WDRST | TX4927_CCFG_BEOW)
/* PCFG : Pin Configuration */
#define TX4927_PCFG_SDCLKDLY_MASK 0x30000000
#define TX4927_PCFG_SDCLKDLY(d) ((d)<<28)
#define TX4927_PCFG_SYSCLKEN 0x08000000
#define TX4927_PCFG_SDCLKEN_ALL 0x07800000
#define TX4927_PCFG_SDCLKEN(ch) (0x00800000<<(ch))
#define TX4927_PCFG_PCICLKEN_ALL 0x003f0000
#define TX4927_PCFG_PCICLKEN(ch) (0x00010000<<(ch))
#define TX4927_PCFG_SEL2 0x00000200
#define TX4927_PCFG_SEL1 0x00000100
#define TX4927_PCFG_DMASEL_ALL 0x000000ff
#define TX4927_PCFG_DMASEL0_MASK 0x00000003
#define TX4927_PCFG_DMASEL1_MASK 0x0000000c
#define TX4927_PCFG_DMASEL2_MASK 0x00000030
#define TX4927_PCFG_DMASEL3_MASK 0x000000c0
#define TX4927_PCFG_DMASEL0_DRQ0 0x00000000
#define TX4927_PCFG_DMASEL0_SIO1 0x00000001
#define TX4927_PCFG_DMASEL0_ACL0 0x00000002
#define TX4927_PCFG_DMASEL0_ACL2 0x00000003
#define TX4927_PCFG_DMASEL1_DRQ1 0x00000000
#define TX4927_PCFG_DMASEL1_SIO1 0x00000004
#define TX4927_PCFG_DMASEL1_ACL1 0x00000008
#define TX4927_PCFG_DMASEL1_ACL3 0x0000000c
#define TX4927_PCFG_DMASEL2_DRQ2 0x00000000 /* SEL2=0 */
#define TX4927_PCFG_DMASEL2_SIO0 0x00000010 /* SEL2=0 */
#define TX4927_PCFG_DMASEL2_ACL1 0x00000000 /* SEL2=1 */
#define TX4927_PCFG_DMASEL2_ACL2 0x00000020 /* SEL2=1 */
#define TX4927_PCFG_DMASEL2_ACL0 0x00000030 /* SEL2=1 */
#define TX4927_PCFG_DMASEL3_DRQ3 0x00000000
#define TX4927_PCFG_DMASEL3_SIO0 0x00000040
#define TX4927_PCFG_DMASEL3_ACL3 0x00000080
#define TX4927_PCFG_DMASEL3_ACL1 0x000000c0
/* CLKCTR : Clock Control */
#define TX4927_CLKCTR_ACLCKD 0x02000000
#define TX4927_CLKCTR_PIOCKD 0x01000000
#define TX4927_CLKCTR_DMACKD 0x00800000
#define TX4927_CLKCTR_PCICKD 0x00400000
#define TX4927_CLKCTR_TM0CKD 0x00100000
#define TX4927_CLKCTR_TM1CKD 0x00080000
#define TX4927_CLKCTR_TM2CKD 0x00040000
#define TX4927_CLKCTR_SIO0CKD 0x00020000
#define TX4927_CLKCTR_SIO1CKD 0x00010000
#define TX4927_CLKCTR_ACLRST 0x00000200
#define TX4927_CLKCTR_PIORST 0x00000100
#define TX4927_CLKCTR_DMARST 0x00000080
#define TX4927_CLKCTR_PCIRST 0x00000040
#define TX4927_CLKCTR_TM0RST 0x00000010
#define TX4927_CLKCTR_TM1RST 0x00000008
#define TX4927_CLKCTR_TM2RST 0x00000004
#define TX4927_CLKCTR_SIO0RST 0x00000002
#define TX4927_CLKCTR_SIO1RST 0x00000001
#define tx4927_sdramcptr ((struct tx4927_sdramc_reg *)TX4927_SDRAMC_REG)
#define tx4927_pcicptr \
((struct tx4927_pcic_reg __iomem *)TX4927_PCIC_REG)
#define tx4927_ccfgptr \
((struct tx4927_ccfg_reg __iomem *)TX4927_CCFG_REG)
#define tx4927_ebuscptr ((struct tx4927_ebusc_reg *)TX4927_EBUSC_REG)
/* utilities */
static inline void txx9_clear64(__u64 __iomem *adr, __u64 bits)
{
#ifdef CONFIG_32BIT
unsigned long flags;
local_irq_save(flags);
#endif
____raw_writeq(____raw_readq(adr) & ~bits, adr);
#ifdef CONFIG_32BIT
local_irq_restore(flags);
#endif
}
static inline void txx9_set64(__u64 __iomem *adr, __u64 bits)
{
#ifdef CONFIG_32BIT
unsigned long flags;
local_irq_save(flags);
#endif
____raw_writeq(____raw_readq(adr) | bits, adr);
#ifdef CONFIG_32BIT
local_irq_restore(flags);
#endif
}
/* These functions are not interrupt safe. */
static inline void tx4927_ccfg_clear(__u64 bits)
{
____raw_writeq(____raw_readq(&tx4927_ccfgptr->ccfg)
& ~(TX4927_CCFG_W1CBITS | bits),
&tx4927_ccfgptr->ccfg);
}
static inline void tx4927_ccfg_set(__u64 bits)
{
____raw_writeq((____raw_readq(&tx4927_ccfgptr->ccfg)
& ~TX4927_CCFG_W1CBITS) | bits,
&tx4927_ccfgptr->ccfg);
}
static inline void tx4927_ccfg_change(__u64 change, __u64 new)
{
____raw_writeq((____raw_readq(&tx4927_ccfgptr->ccfg)
& ~(TX4927_CCFG_W1CBITS | change)) |
new,
&tx4927_ccfgptr->ccfg);
}
int tx4927_report_pciclk(void);
int tx4927_pciclk66_setup(void);
#endif /* __ASM_TXX9_TX4927_H */
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