C++ setbits_be32函数代码示例

static void gpio_configure(void)
{
    immap_t *im;
    gpio512x_t *gpioregs;

    im = (immap_t *) CONFIG_SYS_IMMR;
    gpioregs = &im->gpio;
    out_be32(&gpioregs->gpodr, 0x00290000); /* open drain */
    out_be32(&gpioregs->gpdat, 0x80001040); /* data (when output) */

    /*
     * out_be32(&gpioregs->gpdir, 0xC2293020);
     * workaround for a hardware effect: configure direction in pieces,
     * setting all outputs at once drops the reset line too low and
     * makes us lose the MII connection (breaks ethernet for us)
     */
    out_be32(&gpioregs->gpdir, 0x02003060); /* direction */
    setbits_be32(&gpioregs->gpdir, 0x00200000); /* += reset asi */
    udelay(10);
    setbits_be32(&gpioregs->gpdir, 0x00080000); /* += reset safety */
    udelay(10);
    setbits_be32(&gpioregs->gpdir, 0x00010000); /* += reset comm */
    udelay(10);
    setbits_be32(&gpioregs->gpdir, 0xC0000000); /* += backlight, KB sel */

    /* to turn from red to yellow when U-Boot runs */
    setbits_be32(&gpioregs->gpdat, 0x00002020);
    out_be32(&gpioregs->gpimr, 0x00000000); /* interrupt mask */
    out_be32(&gpioregs->gpicr1, 0x00000004); /* interrupt sense part 1 */
    out_be32(&gpioregs->gpicr2, 0x00A80000); /* interrupt sense part 2 */
    out_be32(&gpioregs->gpier, 0xFFFFFFFF); /* interrupt events, clear */
}

int misc_init_r(void)
{
	struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);

	if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "can")) {
		clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN1_TDM |
				MPC85xx_PMUXCR_CAN1_UART |
				MPC85xx_PMUXCR_CAN2_TDM |
				MPC85xx_PMUXCR_CAN2_UART);
		out_8(&cpld_data->tdm_can_sel, MUX_CPLD_CAN_UART);
	} else if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "tdm")) {
		clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN2_UART |
				MPC85xx_PMUXCR_CAN1_UART);
		setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN2_TDM |
				MPC85xx_PMUXCR_CAN1_TDM);
		clrbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_GPIO);
		setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_TDM);
		out_8(&cpld_data->tdm_can_sel, MUX_CPLD_TDM);
		out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_SLIC);
	} else {
		/* defaultly spi_cs_sel to flash */
		out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_FLASH);
	}

	return 0;
}

int misc_init_r(void)
{
	int i;
	struct ppc4xx_gpio *gpio0 = (struct ppc4xx_gpio *)GPIO_BASE;
	struct pmc405de_cpld *cpld =
		(struct pmc405de_cpld *)CONFIG_SYS_CPLD_BASE;

	if (!is_monarch()) {
		/* PCI configuration done: release EREADY */
		setbits_be32(&gpio0->or, CONFIG_SYS_GPIO_EREADY);
		setbits_be32(&gpio0->tcr, CONFIG_SYS_GPIO_EREADY);
	}

	/* turn off POST LED */
	out_8(&cpld->control,
	      CPLD_CONTROL_POSTLED_N | CPLD_CONTROL_POSTLED_GATE);

	/* turn on LEDs: RUN, A, B */
	clrbits_be32(&gpio0->or,
		     CONFIG_SYS_GPIO_LEDRUN_N |
		     CONFIG_SYS_GPIO_LEDA_N |
		     CONFIG_SYS_GPIO_LEDB_N);

	for (i=0; i < 200; i++)
		udelay(1000);

	/* turn off LEDs: A, B */
	setbits_be32(&gpio0->or,
		     CONFIG_SYS_GPIO_LEDA_N |
		     CONFIG_SYS_GPIO_LEDB_N);

	return (0);
}

/*
 * Miscellaneous late-boot configurations
 *
 * If a VSC7385 microcode image is present, then upload it.
*/
int misc_init_r(void)
{
#ifdef CONFIG_MPC8XXX_SPI
	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
	sysconf83xx_t *sysconf = &immr->sysconf;

	/*
	 * Set proper bits in SICRH to allow SPI on header J8
	 *
	 * NOTE: this breaks the TSEC2 interface, attached to the Vitesse
	 * switch. The pinmux configuration does not have a fine enough
	 * granularity to support both simultaneously.
	 */
	clrsetbits_be32(&sysconf->sicrh, SICRH_GPIO_A_TSEC2, SICRH_GPIO_A_GPIO);
	puts("WARNING: SPI enabled, TSEC2 support is broken\n");

	/* Set header J8 SPI chip select output, disabled */
	setbits_be32(&immr->gpio[0].dir, SPI_CS_MASK);
	setbits_be32(&immr->gpio[0].dat, SPI_CS_MASK);
#endif

#ifdef CONFIG_VSC7385_IMAGE
	if (vsc7385_upload_firmware((void *) CONFIG_VSC7385_IMAGE,
		CONFIG_VSC7385_IMAGE_SIZE)) {
		puts("Failure uploading VSC7385 microcode.\n");
		return 1;
	}
#endif

	return 0;
}

int board_early_init_f(void)
{
	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	bool cpuwd_flag = false;

	/* configure mode for uP reset request */
	qrio_uprstreq(UPREQ_CORE_RST);

	/* board only uses the DDR_MCK0, so disable the DDR_MCK1/2/3 */
	setbits_be32(&gur->ddrclkdr, 0x001f000f);

	/* set reset reason according CPU register */
	if ((gur->rstrqsr1 & (RSTRQSR1_WDT_RR | RSTRQSR1_SW_RR)) ==
	    RSTRQSR1_WDT_RR)
		cpuwd_flag = true;

	qrio_cpuwd_flag(cpuwd_flag);
	/* clear CPU bits by writing 1 */
	setbits_be32(&gur->rstrqsr1, RSTRQSR1_WDT_RR | RSTRQSR1_SW_RR);

	/* set the BFTIC's prstcfg to reset at power-up and unit reset only */
	qrio_prstcfg(BFTIC4_RST, PRSTCFG_POWUP_UNIT_RST);
	/* and enable WD on it */
	qrio_wdmask(BFTIC4_RST, true);

	/* set the ZL30138's prstcfg to reset at power-up only */
	qrio_prstcfg(ZL30158_RST, PRSTCFG_POWUP_RST);
	/* and take it out of reset as soon as possible (needed for Hooper) */
	qrio_prst(ZL30158_RST, false, false);

	return 0;
}

void board_init_f(ulong bootflag)
{
	u32 plat_ratio;
	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
	struct fsl_ifc ifc = {(void *)CONFIG_SYS_IFC_ADDR, (void *)NULL};

	console_init_f();

	/* Clock configuration to access CPLD using IFC(GPCM) */
	setbits_be32(&ifc.gregs->ifc_gcr, 1 << IFC_GCR_TBCTL_TRN_TIME_SHIFT);

#ifdef CONFIG_TARGET_P1010RDB_PB
	setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_GPIO01_DRVVBUS);
#endif

	/* initialize selected port with appropriate baud rate */
	plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
	plat_ratio >>= 1;
	gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;

	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
		     gd->bus_clk / 16 / CONFIG_BAUDRATE);

#ifdef CONFIG_SPL_MMC_BOOT
	puts("\nSD boot...\n");
#elif defined(CONFIG_SPL_SPI_BOOT)
	puts("\nSPI Flash boot...\n");
#endif
	/* copy code to RAM and jump to it - this should not return */
	/* NOTE - code has to be copied out of NAND buffer before
	 * other blocks can be read.
	*/
	relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
}

static void phy_change(struct eth_device *dev)
{
	uec_private_t	*uec = (uec_private_t *)dev->priv;

#if defined(CONFIG_P1012) || defined(CONFIG_P1021) || defined(CONFIG_P1025)
	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);

	/* QE9 and QE12 need to be set for enabling QE MII managment signals */
	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE9);
	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12);
#endif

	/* Update the link, speed, duplex */
	uec->mii_info->phyinfo->read_status(uec->mii_info);

#if defined(CONFIG_P1012) || defined(CONFIG_P1021) || defined(CONFIG_P1025)
	/*
	 * QE12 is muxed with LBCTL, it needs to be released for enabling
	 * LBCTL signal for LBC usage.
	 */
	clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12);
#endif

	/* Adjust the interface according to speed */
	adjust_link(dev);
}

void pci_init_board(void)
{
	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	struct fsl_pci_info pci_info[2];
	u32 devdisr, pordevsr, io_sel;
	int first_free_busno = 0;
	int num = 0;

	int pcie_ep, pcie_configured;

	devdisr = in_be32(&gur->devdisr);
	pordevsr = in_be32(&gur->pordevsr);
	io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;

	debug ("   pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);

	if (!(pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
		printf ("    eTSEC2 is in sgmii mode.\n");

	puts("\n");
#ifdef CONFIG_PCIE2
	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);

	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
		SET_STD_PCIE_INFO(pci_info[num], 2);
		pcie_ep = fsl_setup_hose(&pcie2_hose, pci_info[num].regs);
		printf("    PCIE2 connected to Slot 1 as %s (base addr %lx)\n",
				pcie_ep ? "Endpoint" : "Root Complex",
				pci_info[num].regs);
		first_free_busno = fsl_pci_init_port(&pci_info[num++],
					&pcie2_hose, first_free_busno);
	} else {
		printf ("    PCIE2: disabled\n");
	}
	puts("\n");
#else
	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE2); /* disable */
#endif

#ifdef CONFIG_PCIE1
	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);

	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
		SET_STD_PCIE_INFO(pci_info[num], 1);
		pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs);
		printf("    PCIE1 connected to Slot 2 as %s (base addr %lx)\n",
				pcie_ep ? "Endpoint" : "Root Complex",
				pci_info[num].regs);
		first_free_busno = fsl_pci_init_port(&pci_info[num++],
					&pcie1_hose, first_free_busno);
	} else {
		printf ("    PCIE1: disabled\n");
	}
	puts("\n");
#else
	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
#endif
}

void mpc8308_setup_hw(void)
{
	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;

	/*
	 * set "startup-finished"-gpios
	 */
	setbits_be32(&immr->gpio[0].dir, (1 << (31-11)) | (1 << (31-12)));
	setbits_be32(&immr->gpio[0].dat, 1 << (31-12));
}

int misc_init_r(void)
{
	serdes_corenet_t *srds_regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
	__maybe_unused ccsr_gur_t *gur;
	u32 actual[NUM_SRDS_BANKS];
	unsigned int i;
	u8 sw3;

	gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
#ifdef CONFIG_SRIO1
	if (is_serdes_configured(SRIO1)) {
		set_next_law(CONFIG_SYS_RIO1_MEM_PHYS, LAW_SIZE_256M,
				LAW_TRGT_IF_RIO_1);
	} else {
		printf ("    SRIO1: disabled\n");
	}
#else
	setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_SRIO1); /* disable */
#endif

#ifdef CONFIG_SRIO2
	if (is_serdes_configured(SRIO2)) {
		set_next_law(CONFIG_SYS_RIO2_MEM_PHYS, LAW_SIZE_256M,
				LAW_TRGT_IF_RIO_2);
	} else {
		printf ("    SRIO2: disabled\n");
	}
#else
	setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_SRIO2); /* disable */
#endif

	/* Warn if the expected SERDES reference clocks don't match the
	 * actual reference clocks.  This needs to be done after calling
	 * p4080_erratum_serdes8(), since that function may modify the clocks.
	 */
	sw3 = in_8(&PIXIS_SW(3));
	actual[0] = (sw3 & 0x40) ?
		SRDS_PLLCR0_RFCK_SEL_125 : SRDS_PLLCR0_RFCK_SEL_100;
	actual[1] = (sw3 & 0x20) ?
		SRDS_PLLCR0_RFCK_SEL_156_25 : SRDS_PLLCR0_RFCK_SEL_125;
	actual[2] = (sw3 & 0x10) ?
		SRDS_PLLCR0_RFCK_SEL_156_25 : SRDS_PLLCR0_RFCK_SEL_125;

	for (i = 0; i < NUM_SRDS_BANKS; i++) {
		u32 expected = srds_regs->bank[i].pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
		if (expected != actual[i]) {
			printf("Warning: SERDES bank %u expects reference clock"
			       " %sMHz, but actual is %sMHz\n", i + 1,
			       serdes_clock_to_string(expected),
			       serdes_clock_to_string(actual[i]));
		}
	}

	return 0;
}

static void set_pin(int state, unsigned long mask, int port)
{
	ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, port);

	if (state)
		setbits_be32(&iop->pdat, mask);
	else
		clrbits_be32(&iop->pdat, mask);

	setbits_be32(&iop->pdir, mask);
}

int interrupt_init(void)
{
	int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);

	/* Make sure all interrupts are disabled */
	setbits_be32(&intp->imrh0, 0xffffffff);
	setbits_be32(&intp->imrl0, 0xffffffff);

	enable_interrupts();
	return 0;
}

int misc_init_r(void)
{
#if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
	ccsr_gpio_t *gpio = (void *)CONFIG_SYS_MPC85xx_GPIO_ADDR;

	setbits_be32(&gpio->gpdir, USB2_PORT_OUT_EN);
	setbits_be32(&gpio->gpdat, USB2_PORT_OUT_EN);
	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_ELBC_OFF_USB2_ON);
#endif
	return 0;
}

int board_early_init_f(void)
{
	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);

	setbits_be32(&gur->pmuxcr,
			(MPC85xx_PMUXCR_SDHC_CD |
			 MPC85xx_PMUXCR_SDHC_WP));

	/* All the device are enable except for SRIO12 */
	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_SRIO);
	return 0;
}

static int fm_eth_open(struct eth_device *dev, bd_t *bd)
{
	struct fm_eth *fm_eth;
	struct fsl_enet_mac *mac;
#ifdef CONFIG_PHYLIB
	int ret;
#endif

	fm_eth = (struct fm_eth *)dev->priv;
	mac = fm_eth->mac;

	/* setup the MAC address */
	if (dev->enetaddr[0] & 0x01) {
		printf("%s: MacAddress is multcast address\n",	__func__);
		return 1;
	}
	mac->set_mac_addr(mac, dev->enetaddr);

	/* enable bmi Rx port */
	setbits_be32(&fm_eth->rx_port->fmbm_rcfg, FMBM_RCFG_EN);
	/* enable MAC rx/tx port */
	mac->enable_mac(mac);
	/* enable bmi Tx port */
	setbits_be32(&fm_eth->tx_port->fmbm_tcfg, FMBM_TCFG_EN);
	/* re-enable transmission of frame */
	fmc_tx_port_graceful_stop_disable(fm_eth);

#ifdef CONFIG_PHYLIB
	if (fm_eth->phydev) {
		ret = phy_startup(fm_eth->phydev);
		if (ret) {
			printf("%s: Could not initialize\n",
			       fm_eth->phydev->dev->name);
			return ret;
		}
	} else {
		return 0;
	}
#else
	fm_eth->phydev->speed = SPEED_1000;
	fm_eth->phydev->link = 1;
	fm_eth->phydev->duplex = DUPLEX_FULL;
#endif

	/* set the MAC-PHY mode */
	mac->set_if_mode(mac, fm_eth->enet_if, fm_eth->phydev->speed);

	if (!fm_eth->phydev->link)
		printf("%s: No link.\n", fm_eth->phydev->dev->name);

	return fm_eth->phydev->link ? 0 : -1;
}