| /* |
| * 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_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_INT(n) (2 + (n)) |
| #define TX4927_IR_SIO(n) (8 + (n)) |
| #define TX4927_IR_PCIC 16 |
| #define TX4927_IR_PCIERR 22 |
| #define TX4927_NUM_IR 32 |
| |
| #define TX4927_IRC_INT 2 /* IP[2] in Status register */ |
| |
| 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); |
| void tx4927_irq_init(void); |
| |
| #endif /* __ASM_TXX9_TX4927_H */ |