diff options
Diffstat (limited to 'arch/mips/include/asm/txx9/tx4927.h')
| -rw-r--r-- | arch/mips/include/asm/txx9/tx4927.h | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/arch/mips/include/asm/txx9/tx4927.h b/arch/mips/include/asm/txx9/tx4927.h new file mode 100644 index 000000000..284eea752 --- /dev/null +++ b/arch/mips/include/asm/txx9/tx4927.h @@ -0,0 +1,273 @@ +/* + * 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> + +#ifdef CONFIG_64BIT +#define TX4927_REG_BASE 0xffffffffff1f0000UL +#else +#define TX4927_REG_BASE 0xff1f0000UL +#endif +#define TX4927_REG_SIZE 0x00010000 + +#define TX4927_SDRAMC_REG (TX4927_REG_BASE + 0x8000) +#define TX4927_EBUSC_REG (TX4927_REG_BASE + 0x9000) +#define TX4927_DMA_REG (TX4927_REG_BASE + 0xb000) +#define TX4927_PCIC_REG (TX4927_REG_BASE + 0xd000) +#define TX4927_CCFG_REG (TX4927_REG_BASE + 0xe000) +#define TX4927_IRC_REG (TX4927_REG_BASE + 0xf600) +#define TX4927_NR_TMR 3 +#define TX4927_TMR_REG(ch) (TX4927_REG_BASE + 0xf000 + (ch) * 0x100) +#define TX4927_NR_SIO 2 +#define TX4927_SIO_REG(ch) (TX4927_REG_BASE + 0xf300 + (ch) * 0x100) +#define TX4927_PIO_REG (TX4927_REG_BASE + 0xf500) +#define TX4927_ACLC_REG (TX4927_REG_BASE + 0xf700) + +#define TX4927_IR_ECCERR 0 +#define TX4927_IR_WTOERR 1 +#define TX4927_NUM_IR_INT 6 +#define TX4927_IR_INT(n) (2 + (n)) +#define TX4927_NUM_IR_SIO 2 +#define TX4927_IR_SIO(n) (8 + (n)) +#define TX4927_NUM_IR_DMA 4 +#define TX4927_IR_DMA(n) (10 + (n)) +#define TX4927_IR_PIO 14 +#define TX4927_IR_PDMAC 15 +#define TX4927_IR_PCIC 16 +#define TX4927_NUM_IR_TMR 3 +#define TX4927_IR_TMR(n) (17 + (n)) +#define TX4927_IR_PCIERR 22 +#define TX4927_IR_PCIPME 23 +#define TX4927_IR_ACLC 24 +#define TX4927_IR_ACLCPME 25 +#define TX4927_NUM_IR 32 + +#define TX4927_IRC_INT 2 /* IP[2] in Status register */ + +#define TX4927_NUM_PIO 16 + +struct tx4927_sdramc_reg { + u64 cr[4]; + u64 unused0[4]; + u64 tr; + u64 unused1[2]; + u64 cmd; +}; + +struct tx4927_ebusc_reg { + u64 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 __iomem *)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 __iomem *)TX4927_EBUSC_REG) +#define tx4927_pioptr ((struct txx9_pio_reg __iomem *)TX4927_PIO_REG) + +#define TX4927_REV_PCODE() \ + ((__u32)__raw_readq(&tx4927_ccfgptr->crir) >> 16) + +#define TX4927_SDRAMC_CR(ch) __raw_readq(&tx4927_sdramcptr->cr[(ch)]) +#define TX4927_SDRAMC_BA(ch) ((TX4927_SDRAMC_CR(ch) >> 49) << 21) +#define TX4927_SDRAMC_SIZE(ch) \ + ((((TX4927_SDRAMC_CR(ch) >> 33) & 0x7fff) + 1) << 21) + +#define TX4927_EBUSC_CR(ch) __raw_readq(&tx4927_ebuscptr->cr[(ch)]) +#define TX4927_EBUSC_BA(ch) ((TX4927_EBUSC_CR(ch) >> 48) << 20) +#define TX4927_EBUSC_SIZE(ch) \ + (0x00100000 << ((unsigned long)(TX4927_EBUSC_CR(ch) >> 8) & 0xf)) +#define TX4927_EBUSC_WIDTH(ch) \ + (64 >> ((__u32)(TX4927_EBUSC_CR(ch) >> 20) & 0x3)) + +/* 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); +} + +unsigned int tx4927_get_mem_size(void); +void tx4927_wdt_init(void); +void tx4927_setup(void); +void tx4927_time_init(unsigned int tmrnr); +void tx4927_sio_init(unsigned int sclk, unsigned int cts_mask); +int tx4927_report_pciclk(void); +int tx4927_pciclk66_setup(void); +void tx4927_setup_pcierr_irq(void); +void tx4927_irq_init(void); +void tx4927_mtd_init(int ch); +void tx4927_dmac_init(int memcpy_chan); +void tx4927_aclc_init(unsigned int dma_chan_out, unsigned int dma_chan_in); + +#endif /* __ASM_TXX9_TX4927_H */ |