示例#1
0
static int __init db1200_detect_board(void)
{
    int bid;

    /* try the DB1200 first */
    bcsr_init(DB1200_BCSR_PHYS_ADDR,
              DB1200_BCSR_PHYS_ADDR + DB1200_BCSR_HEXLED_OFS);
    if (BCSR_WHOAMI_DB1200 == BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
        unsigned short t = bcsr_read(BCSR_HEXLEDS);
        bcsr_write(BCSR_HEXLEDS, ~t);
        if (bcsr_read(BCSR_HEXLEDS) != t) {
            bcsr_write(BCSR_HEXLEDS, t);
            return 0;
        }
    }

    /* okay, try the PB1200 then */
    bcsr_init(PB1200_BCSR_PHYS_ADDR,
              PB1200_BCSR_PHYS_ADDR + PB1200_BCSR_HEXLED_OFS);
    bid = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
    if ((bid == BCSR_WHOAMI_PB1200_DDR1) ||
            (bid == BCSR_WHOAMI_PB1200_DDR2)) {
        unsigned short t = bcsr_read(BCSR_HEXLEDS);
        bcsr_write(BCSR_HEXLEDS, ~t);
        if (bcsr_read(BCSR_HEXLEDS) != t) {
            bcsr_write(BCSR_HEXLEDS, t);
            return 0;
        }
    }

    return 1;	/* it's neither */
}
示例#2
0
文件: db1300.c 项目: 1800alex/linux
int __init db1300_board_setup(void)
{
	unsigned short whoami;

	bcsr_init(DB1300_BCSR_PHYS_ADDR,
		  DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);

	whoami = bcsr_read(BCSR_WHOAMI);
	if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300)
		return -ENODEV;

	db1300_gpio_config();

	printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
		"BoardID %d   CPLD Rev %d   DaughtercardID %d\n",
		BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
		BCSR_WHOAMI_DCID(whoami));

	/* enable UARTs, YAMON only enables #2 */
	alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
	alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
	alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);

	return 0;
}
示例#3
0
void __init board_setup(void)
{
	/* initialize board register space */
	bcsr_init(DB1000_BCSR_PHYS_ADDR,
		  DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);

	printk(KERN_INFO "AMD Alchemy %s Board\n", board_type_str());
}
int __init db1000_board_setup(void)
{
	/* initialize board register space */
	bcsr_init(DB1000_BCSR_PHYS_ADDR,
		  DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);

	switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
	case BCSR_WHOAMI_DB1000:
	case BCSR_WHOAMI_DB1500:
	case BCSR_WHOAMI_DB1100:
	case BCSR_WHOAMI_PB1500:
	case BCSR_WHOAMI_PB1500R2:
	case BCSR_WHOAMI_PB1100:
		pr_info("AMD Alchemy %s Board\n", get_system_type());
		return 0;
	}
	return -ENODEV;
}
示例#5
0
void __init board_setup(void)
{
	unsigned short whoami;

	db1300_gpio_config();
	bcsr_init(DB1300_BCSR_PHYS_ADDR,
		  DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);

	whoami = bcsr_read(BCSR_WHOAMI);
	printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
		"BoardID %d   CPLD Rev %d   DaughtercardID %d\n",
		BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
		BCSR_WHOAMI_DCID(whoami));

	
	alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
	alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
	alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);
}
示例#6
0
void __init board_setup(void)
{
    u32 pin_func;

    bcsr_init(PB1550_BCSR_PHYS_ADDR,
              PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS);

    alchemy_gpio2_enable();

    /*
     * Enable PSC1 SYNC for AC'97.  Normaly done in audio driver,
     * but it is board specific code, so put it here.
     */
    pin_func = au_readl(SYS_PINFUNC);
    au_sync();
    pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
    au_writel(pin_func, SYS_PINFUNC);

    bcsr_write(BCSR_PCMCIA, 0);	/* turn off PCMCIA power */

    printk(KERN_INFO "AMD Alchemy Pb1550 Board\n");
}
void __init board_setup(void)
{
	volatile void __iomem *base = (volatile void __iomem *)0xac000000UL;

	bcsr_init(DB1000_BCSR_PHYS_ADDR,
		  DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);

	/* Set AUX clock to 12 MHz * 8 = 96 MHz */
	au_writel(8, SYS_AUXPLL);
	alchemy_gpio1_input_enable();
	udelay(100);

#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
	{
		u32 pin_func, sys_freqctrl, sys_clksrc;

		/* Configure pins GPIO[14:9] as GPIO */
		pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;

		/* Zero and disable FREQ2 */
		sys_freqctrl = au_readl(SYS_FREQCTRL0);
		sys_freqctrl &= ~0xFFF00000;
		au_writel(sys_freqctrl, SYS_FREQCTRL0);

		/* Zero and disable USBH/USBD/IrDA clock */
		sys_clksrc = au_readl(SYS_CLKSRC);
		sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK);
		au_writel(sys_clksrc, SYS_CLKSRC);

		sys_freqctrl = au_readl(SYS_FREQCTRL0);
		sys_freqctrl &= ~0xFFF00000;

		sys_clksrc = au_readl(SYS_CLKSRC);
		sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK);

		/* FREQ2 = aux / 2 = 48 MHz */
		sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) |
				SYS_FC_FE2 | SYS_FC_FS2;
		au_writel(sys_freqctrl, SYS_FREQCTRL0);

		/*
		 * Route 48 MHz FREQ2 into USBH/USBD/IrDA
		 */
		sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MIR_BIT;
		au_writel(sys_clksrc, SYS_CLKSRC);

		/* Setup the static bus controller */
		au_writel(0x00000002, MEM_STCFG3);  /* type = PCMCIA */
		au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */
		au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */

		/*
		 * Get USB Functionality pin state (device vs host drive pins).
		 */
		pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB;
		/* 2nd USB port is USB host. */
		pin_func |= SYS_PF_USB;
		au_writel(pin_func, SYS_PINFUNC);
	}
#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */

	/* Enable sys bus clock divider when IDLE state or no bus activity. */
	au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);

	/* Enable the RTC if not already enabled. */
	if (!(readb(base + 0x28) & 0x20)) {
		writeb(readb(base + 0x28) | 0x20, base + 0x28);
		au_sync();
	}
	/* Put the clock in BCD mode. */
	if (readb(base + 0x2C) & 0x4) { /* reg B */
		writeb(readb(base + 0x2c) & ~0x4, base + 0x2c);
		au_sync();
	}
}
void __init board_setup(void)
{
	printk(KERN_INFO "AMD Alchemy Pb1200 Board\n");
	bcsr_init(PB1200_BCSR_PHYS_ADDR,
		  PB1200_BCSR_PHYS_ADDR + PB1200_BCSR_HEXLED_OFS);

#if 0
	{
		u32 pin_func;

		/*
		 * Enable PSC1 SYNC for AC97.  Normaly done in audio driver,
		 * but it is board specific code, so put it here.
		 */
		pin_func = au_readl(SYS_PINFUNC);
		au_sync();
		pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
		au_writel(pin_func, SYS_PINFUNC);

		au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */
		au_sync();
	}
#endif

#if defined(CONFIG_I2C_AU1550)
	{
		u32 freq0, clksrc;
		u32 pin_func;

		/* Select SMBus in CPLD */
		bcsr_mod(BCSR_RESETS, BCSR_RESETS_PSC0MUX, 0);

		pin_func = au_readl(SYS_PINFUNC);
		au_sync();
		pin_func &= ~(SYS_PINFUNC_P0A | SYS_PINFUNC_P0B);
		/* Set GPIOs correctly */
		pin_func |= 2 << 17;
		au_writel(pin_func, SYS_PINFUNC);
		au_sync();

		/* The I2C driver depends on 50 MHz clock */
		freq0 = au_readl(SYS_FREQCTRL0);
		au_sync();
		freq0 &= ~(SYS_FC_FRDIV1_MASK | SYS_FC_FS1 | SYS_FC_FE1);
		freq0 |= 3 << SYS_FC_FRDIV1_BIT;
		/* 396 MHz / (3 + 1) * 2 == 49.5 MHz */
		au_writel(freq0, SYS_FREQCTRL0);
		au_sync();
		freq0 |= SYS_FC_FE1;
		au_writel(freq0, SYS_FREQCTRL0);
		au_sync();

		clksrc = au_readl(SYS_CLKSRC);
		au_sync();
		clksrc &= ~(SYS_CS_CE0 | SYS_CS_DE0 | SYS_CS_ME0_MASK);
		/* Bit 22 is EXTCLK0 for PSC0 */
		clksrc |= SYS_CS_MUX_FQ1 << SYS_CS_ME0_BIT;
		au_writel(clksrc, SYS_CLKSRC);
		au_sync();
	}
#endif

	/*
	 * The Pb1200 development board uses external MUX for PSC0 to
	 * support SMB/SPI. bcsr_resets bit 12: 0=SMB 1=SPI
	 */
#ifdef CONFIG_I2C_AU1550
	bcsr_mod(BCSR_RESETS, BCSR_RESETS_PSC0MUX, 0);
#endif
	au_sync();
}
示例#9
0
void __init board_setup(void)
{
	u32 pin_func;
	u32 sys_freqctrl, sys_clksrc;

	bcsr_init(DB1000_BCSR_PHYS_ADDR,
		  DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);

	sys_clksrc = sys_freqctrl = pin_func = 0;
	/* Set AUX clock to 12 MHz * 8 = 96 MHz */
	au_writel(8, SYS_AUXPLL);
	au_writel(0, SYS_PINSTATERD);
	udelay(100);

	/* GPIO201 is input for PCMCIA card detect */
	/* GPIO203 is input for PCMCIA interrupt request */
	alchemy_gpio_direction_input(201);
	alchemy_gpio_direction_input(203);

#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)

	/* Zero and disable FREQ2 */
	sys_freqctrl = au_readl(SYS_FREQCTRL0);
	sys_freqctrl &= ~0xFFF00000;
	au_writel(sys_freqctrl, SYS_FREQCTRL0);

	/* zero and disable USBH/USBD clocks */
	sys_clksrc = au_readl(SYS_CLKSRC);
	sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
			SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
	au_writel(sys_clksrc, SYS_CLKSRC);

	sys_freqctrl = au_readl(SYS_FREQCTRL0);
	sys_freqctrl &= ~0xFFF00000;

	sys_clksrc = au_readl(SYS_CLKSRC);
	sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
			SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);

	/* FREQ2 = aux/2 = 48 MHz */
	sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2 | SYS_FC_FS2;
	au_writel(sys_freqctrl, SYS_FREQCTRL0);

	/*
	 * Route 48MHz FREQ2 into USB Host and/or Device
	 */
	sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT;
	au_writel(sys_clksrc, SYS_CLKSRC);

	pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB;
	/* 2nd USB port is USB host */
	pin_func |= SYS_PF_USB;
	au_writel(pin_func, SYS_PINFUNC);
#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */

#ifdef CONFIG_PCI
	/* Setup PCI bus controller */
	au_writel(0, Au1500_PCI_CMEM);
	au_writel(0x00003fff, Au1500_CFG_BASE);
#if defined(__MIPSEB__)
	au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
#else
	au_writel(0xf, Au1500_PCI_CFG);
#endif
	au_writel(0xf0000000, Au1500_PCI_MWMASK_DEV);
	au_writel(0, Au1500_PCI_MWBASE_REV_CCL);
	au_writel(0x02a00356, Au1500_PCI_STATCMD);
	au_writel(0x00003c04, Au1500_PCI_HDRTYPE);
	au_writel(0x00000008, Au1500_PCI_MBAR);
	au_sync();
#endif

	/* Enable sys bus clock divider when IDLE state or no bus activity. */
	au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);

	/* Enable the RTC if not already enabled */
	if (!(au_readl(0xac000028) & 0x20)) {
		printk(KERN_INFO "enabling clock ...\n");
		au_writel((au_readl(0xac000028) | 0x20), 0xac000028);
	}
	/* Put the clock in BCD mode */
	if (au_readl(0xac00002c) & 0x4) { /* reg B */
		au_writel(au_readl(0xac00002c) & ~0x4, 0xac00002c);
		au_sync();
	}
}