Exemplo n.º 1
0
Arquivo: core.c Projeto: 01org/prd
static void __init cns3xxx_init(void)
{
	struct device_node *dn;

	cns3xxx_l2x0_init();

	dn = of_find_compatible_node(NULL, NULL, "cavium,cns3420-ahci");
	if (of_device_is_available(dn)) {
		u32 tmp;
	
		tmp = __raw_readl(MISC_SATA_POWER_MODE);
		tmp |= 0x1 << 16; /* Disable SATA PHY 0 from SLUMBER Mode */
		tmp |= 0x1 << 17; /* Disable SATA PHY 1 from SLUMBER Mode */
		__raw_writel(tmp, MISC_SATA_POWER_MODE);
	
		/* Enable SATA PHY */
		cns3xxx_pwr_power_up(0x1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_SATA_PHY0);
		cns3xxx_pwr_power_up(0x1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_SATA_PHY1);
	
		/* Enable SATA Clock */
		cns3xxx_pwr_clk_en(0x1 << PM_CLK_GATE_REG_OFFSET_SATA);
	
		/* De-Asscer SATA Reset */
		cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SATA));
	}

	dn = of_find_compatible_node(NULL, NULL, "cavium,cns3420-sdhci");
	if (of_device_is_available(dn)) {
		u32 __iomem *gpioa = IOMEM(CNS3XXX_MISC_BASE_VIRT + 0x0014);
		u32 gpioa_pins = __raw_readl(gpioa);
	
		/* MMC/SD pins share with GPIOA */
		gpioa_pins |= 0x1fff0004;
		__raw_writel(gpioa_pins, gpioa);
	
		cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SDIO));
		cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SDIO));
	}

	pm_power_off = cns3xxx_power_off;

	of_platform_populate(NULL, of_default_bus_match_table,
                        cns3xxx_auxdata, NULL);
}
Exemplo n.º 2
0
static void __init cns3xxx_spi_initial(void)
{
	u32 __iomem *gpiob = (void __iomem *) (CNS3XXX_MISC_BASE_VIRT + 0x0018);
	u32 gpiob_pins = __raw_readl(gpiob);

	/* MMC/SD pins share with GPIOA */
	gpiob_pins |= 0xf80;
	__raw_writel(gpiob_pins, gpiob);

	/* share pin config. */
	//PM_PLL_HM_PD_CTRL_REG &= ~(0x1 << 5);
	//HAL_MISC_ENABLE_SPI_PINS();
	cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SPI_PCM_I2C));
	cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SPI_PCM_I2C));

	SPI_CONFIGURATION_REG = (((0x0 & 0x3) << 0) |	/* 8bits shift length */
				 (0x0 << 9) |	/* SPI mode */
				 (0x0 << 10) |	/* disable FIFO */
				 (0x1 << 11) |	/* SPI master mode */
				 (0x0 << 12) |	/* disable SPI loopback mode */
				 (0x1 << 13) |	/* clock phase */
				 (0x1 << 14) |	/* clock polarity */
				 (0x0 << 24) |	/* disable - SPI data swap */
				 (0x1 << 29) |	/* enable - 2IO Read mode */
				 (0x0 << 30) |	/* disable - SPI high speed read for system boot up */
				 (0x0 << 31));	/* disable - SPI */

	/* Set SPI bit rate PCLK/2 */
	SPI_BIT_RATE_CONTROL_REG = 0x1;

	/* Set SPI Tx channel 0 */
	SPI_TRANSMIT_CONTROL_REG = 0x0;

	/* Set Tx FIFO Threshold, Tx FIFO has 2 words */
	SPI_FIFO_TRANSMIT_CONFIG_REG &= ~(0x03 << 4);
	SPI_FIFO_TRANSMIT_CONFIG_REG |= ((0x0 & 0x03) << 4);

	/* Set Rx FIFO Threshold, Rx FIFO has 2 words */
	SPI_FIFO_RECEIVE_CONFIG_REG &= ~(0x03 << 4);
	SPI_FIFO_RECEIVE_CONFIG_REG |= ((0x0 & 0x03) << 4);

	/* Disable all interrupt */
	SPI_INTERRUPT_ENABLE_REG = 0x0;

	/* Clear spurious interrupt sources */
	SPI_INTERRUPT_STATUS_REG = (0x0F << 4);

	/* Enable SPI */
	SPI_CONFIGURATION_REG |= (0x1 << 31);

	return;
}
Exemplo n.º 3
0
static void __init ts43xx_map_io(void)
{
    cns3xxx_map_io();

#ifdef CONFIG_SERIAL_8250_CONSOLE
    HAL_MISC_ENABLE_UART1_PINS();
    cns3xxx_pwr_power_up(CNS3XXX_PWR_PLL(PLL_USB));
    cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(UART1));
    early_serial_setup(&cns3xxx_serial_ports[0]);
#if (1 < CONFIG_SERIAL_8250_NR_UARTS)
    HAL_MISC_ENABLE_UART1_PINS();
    cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(UART1));
    cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(UART1));
    early_serial_setup(&cns3xxx_serial_ports[1]);
#endif
#if (2 < CONFIG_SERIAL_8250_NR_UARTS)
    HAL_MISC_ENABLE_UART2_PINS();
    cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(UART2));
    cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(UART2));
    early_serial_setup(&cns3xxx_serial_ports[2]);
#endif
#endif
}
Exemplo n.º 4
0
static void __init ts43xx_ahci_init(void)
{
    u32 tmp;

    tmp = MISC_SATA_POWER_MODE;
    //tmp |= 0x1 << 16; /* Disable SATA PHY 0 from SLUMBER Mode */
    tmp &= ~(0x1 << 16); /* Force SATA PHY 0 into SLUMBER Mode */
    tmp |= 0x1 << 17; /* Disable SATA PHY 1 from SLUMBER Mode */
    MISC_SATA_POWER_MODE = tmp;

    /* Enable SATA PHY */
    // ts43xx only uses port 1
    //cns3xxx_pwr_power_up(0x1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_SATA_PHY0);
    cns3xxx_pwr_power_up(0x1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_SATA_PHY1);

    /* Enable SATA Clock */
    cns3xxx_pwr_clk_en(0x1 << PM_CLK_GATE_REG_OFFSET_SATA);

    /* De-Asscer SATA Reset */
    cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SATA));

}
Exemplo n.º 5
0
static void __init cns3xxx_init(void)
{
    int i;

#ifdef CONFIG_CACHE_L2X0
    /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
     * Bits:  .... ...0 0111 1001 0000 .... .... .... */
    cns3xxx_l2x0_init();
#endif

#ifdef CONFIG_CACHE_L2CC
    l2cc_init((void __iomem *) CNS3XXX_L2C_BASE_VIRT);
#endif

#ifdef CONFIG_CNS3XXX_DMAC
    dmac_init();
#endif

#ifdef CONFIG_CNS3XXX_RAID
    cns_rdma_init();
#endif

    show_board_version();

    {
        volatile unsigned long *pciecfg0;

        pciecfg0 = (volatile unsigned long *)CNS3XXX_PCIE0_CFG0_BASE_VIRT;
        pciecfg0[1] |= 7;

        printk("usec at kernel start: 0x%08lX\n", *(volatile unsigned long *)(CNS3XXX_PCIE0_MEM_BASE_VIRT+0x14));

    }

    ts43xx_ahci_init();

    for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
        struct amba_device *d = amba_devs[i];
        int ret;

        cns3xxx_pwr_power_up(CNS3XXX_PWR_PLL(PLL_LCD));
        cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(LCDC));
        cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(LCDC));

        ret = amba_device_register(d, &iomem_resource);
        if(ret)
            printk("%s=>%d: %d\n", __FUNCTION__, __LINE__, ret);
    }

    platform_add_devices(cns3xxx_devs, ARRAY_SIZE(cns3xxx_devs));

    lm_device_register(&cns3xxx_usb_otg_device);
    i2c_register_board_info(0, cns3xxx_i2c_devices, ARRAY_SIZE(cns3xxx_i2c_devices));
    i2c_register_board_info(1, cns3xxx_i2c_gpio_devices, ARRAY_SIZE(cns3xxx_i2c_gpio_devices));
    spi_register_board_info(cns3xxx_spi_devices, ARRAY_SIZE(cns3xxx_spi_devices));


    cns3xxx_proc_dir = proc_mkdir("cns3xxx", NULL);
#ifdef CONFIG_DEBUG_FS
    cns3xxx_debugfs_dir = debugfs_create_dir("cns3xxx", NULL);
#endif

#ifdef CONFIG_CACHE_L2CC
    l2cc_proc_init();
#endif

    pm_power_off = cns3xxx_power_off;

}