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tx4938.h

/*
 * Definitions for TX4937/TX4938
 * Copyright (C) 2000-2001 Toshiba Corporation
 *
 * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
 * terms of the GNU General Public License version 2. This program is
 * licensed "as is" without any warranty of any kind, whether express
 * or implied.
 *
 * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
 */
#ifndef __ASM_TXX9_TX4938_H
#define __ASM_TXX9_TX4938_H

/* some controllers are compatible with 4927 */
#include <asm/txx9/tx4927.h>

#ifdef CONFIG_64BIT
#define TX4938_REG_BASE 0xffffffffff1f0000UL /* == TX4937_REG_BASE */
#else
#define TX4938_REG_BASE 0xff1f0000UL /* == TX4937_REG_BASE */
#endif
#define TX4938_REG_SIZE 0x00010000 /* == TX4937_REG_SIZE */

/* NDFMC, SRAMC, PCIC1, SPIC: TX4938 only */
#define TX4938_NDFMC_REG      (TX4938_REG_BASE + 0x5000)
#define TX4938_SRAMC_REG      (TX4938_REG_BASE + 0x6000)
#define TX4938_PCIC1_REG      (TX4938_REG_BASE + 0x7000)
#define TX4938_SDRAMC_REG     (TX4938_REG_BASE + 0x8000)
#define TX4938_EBUSC_REG      (TX4938_REG_BASE + 0x9000)
#define TX4938_DMA_REG(ch)    (TX4938_REG_BASE + 0xb000 + (ch) * 0x800)
#define TX4938_PCIC_REG       (TX4938_REG_BASE + 0xd000)
#define TX4938_CCFG_REG       (TX4938_REG_BASE + 0xe000)
#define TX4938_NR_TMR   3
#define TX4938_TMR_REG(ch)    ((TX4938_REG_BASE + 0xf000) + (ch) * 0x100)
#define TX4938_NR_SIO   2
#define TX4938_SIO_REG(ch)    ((TX4938_REG_BASE + 0xf300) + (ch) * 0x100)
#define TX4938_PIO_REG        (TX4938_REG_BASE + 0xf500)
#define TX4938_IRC_REG        (TX4938_REG_BASE + 0xf600)
#define TX4938_ACLC_REG       (TX4938_REG_BASE + 0xf700)
#define TX4938_SPI_REG        (TX4938_REG_BASE + 0xf800)

struct tx4938_sramc_reg {
      u64 cr;
};

struct tx4938_ccfg_reg {
      u64 ccfg;
      u64 crir;
      u64 pcfg;
      u64 toea;
      u64 clkctr;
      u64 unused0;
      u64 garbc;
      u64 unused1;
      u64 unused2;
      u64 ramp;
      u64 unused3;
      u64 jmpadr;
};

/*
 * IRC
 */

#define TX4938_IR_ECCERR      0
#define TX4938_IR_WTOERR      1
#define TX4938_NUM_IR_INT     6
#define TX4938_IR_INT(n)      (2 + (n))
#define TX4938_NUM_IR_SIO     2
#define TX4938_IR_SIO(n)      (8 + (n))
#define TX4938_NUM_IR_DMA     4
#define TX4938_IR_DMA(ch, n)  ((ch ? 27 : 10) + (n)) /* 10-13, 27-30 */
#define TX4938_IR_PIO   14
#define TX4938_IR_PDMAC 15
#define TX4938_IR_PCIC  16
#define TX4938_NUM_IR_TMR     3
#define TX4938_IR_TMR(n)      (17 + (n))
#define TX4938_IR_NDFMC 21
#define TX4938_IR_PCIERR      22
#define TX4938_IR_PCIPME      23
#define TX4938_IR_ACLC  24
#define TX4938_IR_ACLCPME     25
#define TX4938_IR_PCIC1 26
#define TX4938_IR_SPI   31
#define TX4938_NUM_IR   32
/* multiplex */
#define TX4938_IR_ETH0  TX4938_IR_INT(4)
#define TX4938_IR_ETH1  TX4938_IR_INT(3)

#define TX4938_IRC_INT  2     /* IP[2] in Status register */

#define TX4938_NUM_PIO  16

/*
 * CCFG
 */
/* CCFG : Chip Configuration */
#define TX4938_CCFG_WDRST     0x0000020000000000ULL
#define TX4938_CCFG_WDREXEN   0x0000010000000000ULL
#define TX4938_CCFG_BCFG_MASK 0x000000ff00000000ULL
#define TX4938_CCFG_TINTDIS   0x01000000
#define TX4938_CCFG_PCI66     0x00800000
#define TX4938_CCFG_PCIMODE   0x00400000
#define TX4938_CCFG_PCI1_66   0x00200000
#define TX4938_CCFG_DIVMODE_MASK    0x001e0000
#define TX4938_CCFG_DIVMODE_2 (0x4 << 17)
#define TX4938_CCFG_DIVMODE_2_5     (0xf << 17)
#define TX4938_CCFG_DIVMODE_3 (0x5 << 17)
#define TX4938_CCFG_DIVMODE_4 (0x6 << 17)
#define TX4938_CCFG_DIVMODE_4_5     (0xd << 17)
#define TX4938_CCFG_DIVMODE_8 (0x0 << 17)
#define TX4938_CCFG_DIVMODE_10      (0xb << 17)
#define TX4938_CCFG_DIVMODE_12      (0x1 << 17)
#define TX4938_CCFG_DIVMODE_16      (0x2 << 17)
#define TX4938_CCFG_DIVMODE_18      (0x9 << 17)
#define TX4938_CCFG_BEOW      0x00010000
#define TX4938_CCFG_WR  0x00008000
#define TX4938_CCFG_TOE 0x00004000
#define TX4938_CCFG_PCIARB    0x00002000
#define TX4938_CCFG_PCIDIVMODE_MASK 0x00001c00
#define TX4938_CCFG_PCIDIVMODE_4    (0x1 << 10)
#define TX4938_CCFG_PCIDIVMODE_4_5  (0x3 << 10)
#define TX4938_CCFG_PCIDIVMODE_5    (0x5 << 10)
#define TX4938_CCFG_PCIDIVMODE_5_5  (0x7 << 10)
#define TX4938_CCFG_PCIDIVMODE_8    (0x0 << 10)
#define TX4938_CCFG_PCIDIVMODE_9    (0x2 << 10)
#define TX4938_CCFG_PCIDIVMODE_10   (0x4 << 10)
#define TX4938_CCFG_PCIDIVMODE_11   (0x6 << 10)
#define TX4938_CCFG_PCI1DMD   0x00000100
#define TX4938_CCFG_SYSSP_MASK      0x000000c0
#define TX4938_CCFG_ENDIAN    0x00000004
#define TX4938_CCFG_HALT      0x00000002
#define TX4938_CCFG_ACEHOLD   0x00000001

/* PCFG : Pin Configuration */
#define TX4938_PCFG_ETH0_SEL  0x8000000000000000ULL
#define TX4938_PCFG_ETH1_SEL  0x4000000000000000ULL
#define TX4938_PCFG_ATA_SEL   0x2000000000000000ULL
#define TX4938_PCFG_ISA_SEL   0x1000000000000000ULL
#define TX4938_PCFG_SPI_SEL   0x0800000000000000ULL
#define TX4938_PCFG_NDF_SEL   0x0400000000000000ULL
#define TX4938_PCFG_SDCLKDLY_MASK   0x30000000
#define TX4938_PCFG_SDCLKDLY(d)     ((d)<<28)
#define TX4938_PCFG_SYSCLKEN  0x08000000
#define TX4938_PCFG_SDCLKEN_ALL     0x07800000
#define TX4938_PCFG_SDCLKEN(ch)     (0x00800000<<(ch))
#define TX4938_PCFG_PCICLKEN_ALL    0x003f0000
#define TX4938_PCFG_PCICLKEN(ch)    (0x00010000<<(ch))
#define TX4938_PCFG_SEL2      0x00000200
#define TX4938_PCFG_SEL1      0x00000100
#define TX4938_PCFG_DMASEL_ALL      0x0000000f
#define TX4938_PCFG_DMASEL0_DRQ0    0x00000000
#define TX4938_PCFG_DMASEL0_SIO1    0x00000001
#define TX4938_PCFG_DMASEL1_DRQ1    0x00000000
#define TX4938_PCFG_DMASEL1_SIO1    0x00000002
#define TX4938_PCFG_DMASEL2_DRQ2    0x00000000
#define TX4938_PCFG_DMASEL2_SIO0    0x00000004
#define TX4938_PCFG_DMASEL3_DRQ3    0x00000000
#define TX4938_PCFG_DMASEL3_SIO0    0x00000008

/* CLKCTR : Clock Control */
#define TX4938_CLKCTR_NDFCKD  0x0001000000000000ULL
#define TX4938_CLKCTR_NDFRST  0x0000000100000000ULL
#define TX4938_CLKCTR_ETH1CKD 0x80000000
#define TX4938_CLKCTR_ETH0CKD 0x40000000
#define TX4938_CLKCTR_SPICKD  0x20000000
#define TX4938_CLKCTR_SRAMCKD 0x10000000
#define TX4938_CLKCTR_PCIC1CKD      0x08000000
#define TX4938_CLKCTR_DMA1CKD 0x04000000
#define TX4938_CLKCTR_ACLCKD  0x02000000
#define TX4938_CLKCTR_PIOCKD  0x01000000
#define TX4938_CLKCTR_DMACKD  0x00800000
#define TX4938_CLKCTR_PCICKD  0x00400000
#define TX4938_CLKCTR_TM0CKD  0x00100000
#define TX4938_CLKCTR_TM1CKD  0x00080000
#define TX4938_CLKCTR_TM2CKD  0x00040000
#define TX4938_CLKCTR_SIO0CKD 0x00020000
#define TX4938_CLKCTR_SIO1CKD 0x00010000
#define TX4938_CLKCTR_ETH1RST 0x00008000
#define TX4938_CLKCTR_ETH0RST 0x00004000
#define TX4938_CLKCTR_SPIRST  0x00002000
#define TX4938_CLKCTR_SRAMRST 0x00001000
#define TX4938_CLKCTR_PCIC1RST      0x00000800
#define TX4938_CLKCTR_DMA1RST 0x00000400
#define TX4938_CLKCTR_ACLRST  0x00000200
#define TX4938_CLKCTR_PIORST  0x00000100
#define TX4938_CLKCTR_DMARST  0x00000080
#define TX4938_CLKCTR_PCIRST  0x00000040
#define TX4938_CLKCTR_TM0RST  0x00000010
#define TX4938_CLKCTR_TM1RST  0x00000008
#define TX4938_CLKCTR_TM2RST  0x00000004
#define TX4938_CLKCTR_SIO0RST 0x00000002
#define TX4938_CLKCTR_SIO1RST 0x00000001

/*
 * DMA
 */
/* bits for MCR */
#define TX4938_DMA_MCR_EIS(ch)      (0x10000000<<(ch))
#define TX4938_DMA_MCR_DIS(ch)      (0x01000000<<(ch))
#define TX4938_DMA_MCR_RSFIF  0x00000080
#define TX4938_DMA_MCR_FIFUM(ch)    (0x00000008<<(ch))
#define TX4938_DMA_MCR_RPRT   0x00000002
#define TX4938_DMA_MCR_MSTEN  0x00000001

/* bits for CCRn */
#define TX4938_DMA_CCR_IMMCHN 0x20000000
#define TX4938_DMA_CCR_USEXFSZ      0x10000000
#define TX4938_DMA_CCR_LE     0x08000000
#define TX4938_DMA_CCR_DBINH  0x04000000
#define TX4938_DMA_CCR_SBINH  0x02000000
#define TX4938_DMA_CCR_CHRST  0x01000000
#define TX4938_DMA_CCR_RVBYTE 0x00800000
#define TX4938_DMA_CCR_ACKPOL 0x00400000
#define TX4938_DMA_CCR_REQPL  0x00200000
#define TX4938_DMA_CCR_EGREQ  0x00100000
#define TX4938_DMA_CCR_CHDN   0x00080000
#define TX4938_DMA_CCR_DNCTL  0x00060000
#define TX4938_DMA_CCR_EXTRQ  0x00010000
#define TX4938_DMA_CCR_INTRQD 0x0000e000
#define TX4938_DMA_CCR_INTENE 0x00001000
#define TX4938_DMA_CCR_INTENC 0x00000800
#define TX4938_DMA_CCR_INTENT 0x00000400
#define TX4938_DMA_CCR_CHNEN  0x00000200
#define TX4938_DMA_CCR_XFACT  0x00000100
#define TX4938_DMA_CCR_SMPCHN 0x00000020
#define TX4938_DMA_CCR_XFSZ(order)  (((order) << 2) & 0x0000001c)
#define TX4938_DMA_CCR_XFSZ_1W      TX4938_DMA_CCR_XFSZ(2)
#define TX4938_DMA_CCR_XFSZ_2W      TX4938_DMA_CCR_XFSZ(3)
#define TX4938_DMA_CCR_XFSZ_4W      TX4938_DMA_CCR_XFSZ(4)
#define TX4938_DMA_CCR_XFSZ_8W      TX4938_DMA_CCR_XFSZ(5)
#define TX4938_DMA_CCR_XFSZ_16W     TX4938_DMA_CCR_XFSZ(6)
#define TX4938_DMA_CCR_XFSZ_32W     TX4938_DMA_CCR_XFSZ(7)
#define TX4938_DMA_CCR_MEMIO  0x00000002
#define TX4938_DMA_CCR_SNGAD  0x00000001

/* bits for CSRn */
#define TX4938_DMA_CSR_CHNEN  0x00000400
#define TX4938_DMA_CSR_STLXFER      0x00000200
#define TX4938_DMA_CSR_CHNACT 0x00000100
#define TX4938_DMA_CSR_ABCHC  0x00000080
#define TX4938_DMA_CSR_NCHNC  0x00000040
#define TX4938_DMA_CSR_NTRNFC 0x00000020
#define TX4938_DMA_CSR_EXTDN  0x00000010
#define TX4938_DMA_CSR_CFERR  0x00000008
#define TX4938_DMA_CSR_CHERR  0x00000004
#define TX4938_DMA_CSR_DESERR 0x00000002
#define TX4938_DMA_CSR_SORERR 0x00000001

#define tx4938_sdramcptr      tx4927_sdramcptr
#define tx4938_ebuscptr       tx4927_ebuscptr
#define tx4938_pcicptr        tx4927_pcicptr
#define tx4938_pcic1ptr \
            ((struct tx4927_pcic_reg __iomem *)TX4938_PCIC1_REG)
#define tx4938_ccfgptr \
            ((struct tx4938_ccfg_reg __iomem *)TX4938_CCFG_REG)
#define tx4938_pioptr         ((struct txx9_pio_reg __iomem *)TX4938_PIO_REG)
#define tx4938_sramcptr \
            ((struct tx4938_sramc_reg __iomem *)TX4938_SRAMC_REG)


#define TX4938_REV_PCODE()    \
      ((__u32)__raw_readq(&tx4938_ccfgptr->crir) >> 16)

#define tx4938_ccfg_clear(bits)     tx4927_ccfg_clear(bits)
#define tx4938_ccfg_set(bits) tx4927_ccfg_set(bits)
#define tx4938_ccfg_change(change, new)   tx4927_ccfg_change(change, new)

#define TX4938_SDRAMC_CR(ch)  TX4927_SDRAMC_CR(ch)
#define TX4938_SDRAMC_BA(ch)  TX4927_SDRAMC_BA(ch)
#define TX4938_SDRAMC_SIZE(ch)      TX4927_SDRAMC_SIZE(ch)

#define TX4938_EBUSC_CR(ch)   TX4927_EBUSC_CR(ch)
#define TX4938_EBUSC_BA(ch)   TX4927_EBUSC_BA(ch)
#define TX4938_EBUSC_SIZE(ch) TX4927_EBUSC_SIZE(ch)
#define TX4938_EBUSC_WIDTH(ch)      TX4927_EBUSC_WIDTH(ch)

#define tx4938_get_mem_size() tx4927_get_mem_size()
void tx4938_wdt_init(void);
void tx4938_setup(void);
void tx4938_time_init(unsigned int tmrnr);
void tx4938_sio_init(unsigned int sclk, unsigned int cts_mask);
void tx4938_spi_init(int busid);
void tx4938_ethaddr_init(unsigned char *addr0, unsigned char *addr1);
int tx4938_report_pciclk(void);
void tx4938_report_pci1clk(void);
int tx4938_pciclk66_setup(void);
struct pci_dev;
int tx4938_pcic1_map_irq(const struct pci_dev *dev, u8 slot);
void tx4938_setup_pcierr_irq(void);
void tx4938_irq_init(void);
void tx4938_mtd_init(int ch);

struct tx4938ide_platform_info {
      /*
       * I/O port shift, for platforms with ports that are
       * constantly spaced and need larger than the 1-byte
       * spacing used by ata_std_ports().
       */
      unsigned int ioport_shift;
      unsigned int gbus_clock;      /*  0 means no PIO mode tuning. */
      unsigned int ebus_ch;
};

void tx4938_ata_init(unsigned int irq, unsigned int shift, int tune);

#endif

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