Пример #1
0
static int pcm038_devices_init(void)
{
	int i;
	char *envdev;

	unsigned int mode[] = {
		PD0_AIN_FEC_TXD0,
		PD1_AIN_FEC_TXD1,
		PD2_AIN_FEC_TXD2,
		PD3_AIN_FEC_TXD3,
		PD4_AOUT_FEC_RX_ER,
		PD5_AOUT_FEC_RXD1,
		PD6_AOUT_FEC_RXD2,
		PD7_AOUT_FEC_RXD3,
		PD8_AF_FEC_MDIO,
		PD9_AIN_FEC_MDC | GPIO_PUEN,
		PD10_AOUT_FEC_CRS,
		PD11_AOUT_FEC_TX_CLK,
		PD12_AOUT_FEC_RXD0,
		PD13_AOUT_FEC_RX_DV,
		PD14_AOUT_FEC_RX_CLK,
		PD15_AOUT_FEC_COL,
		PD16_AIN_FEC_TX_ER,
		PF23_AIN_FEC_TX_EN,
		PE12_PF_UART1_TXD,
		PE13_PF_UART1_RXD,
		PE14_PF_UART1_CTS,
		PE15_PF_UART1_RTS,
		PD25_PF_CSPI1_RDY,
		GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT,
		PD29_PF_CSPI1_SCLK,
		PD30_PF_CSPI1_MISO,
		PD31_PF_CSPI1_MOSI,
		/* display */
		PA5_PF_LSCLK,
		PA6_PF_LD0,
		PA7_PF_LD1,
		PA8_PF_LD2,
		PA9_PF_LD3,
		PA10_PF_LD4,
		PA11_PF_LD5,
		PA12_PF_LD6,
		PA13_PF_LD7,
		PA14_PF_LD8,
		PA15_PF_LD9,
		PA16_PF_LD10,
		PA17_PF_LD11,
		PA18_PF_LD12,
		PA19_PF_LD13,
		PA20_PF_LD14,
		PA21_PF_LD15,
		PA22_PF_LD16,
		PA23_PF_LD17,
		PA24_PF_REV,
		PA25_PF_CLS,
		PA26_PF_PS,
		PA27_PF_SPL_SPR,
		PA28_PF_HSYNC,
		PA29_PF_VSYNC,
		PA30_PF_CONTRAST,
		PA31_PF_OE_ACD,
		/* USB host 2 */
		PA0_PF_USBH2_CLK,
		PA1_PF_USBH2_DIR,
		PA2_PF_USBH2_DATA7,
		PA3_PF_USBH2_NXT,
		PA4_PF_USBH2_STP,
		PD19_AF_USBH2_DATA4,
		PD20_AF_USBH2_DATA3,
		PD21_AF_USBH2_DATA6,
		PD22_AF_USBH2_DATA0,
		PD23_AF_USBH2_DATA2,
		PD24_AF_USBH2_DATA1,
		PD26_AF_USBH2_DATA5,
		/* I2C1 */
		PD17_PF_I2C_DATA | GPIO_PUEN,
		PD18_PF_I2C_CLK,
		/* I2C2 */
		PC5_PF_I2C2_SDA,
		PC6_PF_I2C2_SCL,
	};

	/* configure 16 bit nor flash on cs0 */
	CS0U = 0x22C2CF00;
	CS0L = 0x75000D01;
	CS0A = 0x00000900;

	/* configure SRAM on cs1 */
	CS1U = 0x0000d843;
	CS1L = 0x22252521;
	CS1A = 0x22220a00;

	/* configure SJA1000 on cs4 */
	CS4U = 0x0000DCF6;
	CS4L = 0x444A0301;
	CS4A = 0x44443302;

	/* initizalize gpios */
	for (i = 0; i < ARRAY_SIZE(mode); i++)
		imx_gpio_mode(mode[i]);

	PCCR0 |= PCCR0_CSPI1_EN;
	PCCR1 |= PCCR1_PERCLK2_EN;

	gpio_direction_output(GPIO_PORTD | 28, 0);
	gpio_set_value(GPIO_PORTD | 28, 0);

	spi_register_board_info(pcm038_spi_board_info, ARRAY_SIZE(pcm038_spi_board_info));
	imx27_add_spi0(&pcm038_spi_0_data);

	add_cfi_flash_device(-1, 0xC0000000, 32 * 1024 * 1024, 0);
	imx27_add_nand(&nand_info);
	imx27_add_fb(&pcm038_fb_data);

	PCCR0 |= PCCR0_I2C1_EN | PCCR0_I2C2_EN;
	imx27_add_i2c0(NULL);
	imx27_add_i2c1(NULL);

#ifdef CONFIG_USB
	pcm038_usbh_init();
	add_generic_usb_ehci_device(-1, IMX_OTG_BASE + 0x400, NULL);
#endif

	/* Register the fec device after the PLL re-initialisation
	 * as the fec depends on the (now higher) ipg clock
	 */
	imx27_add_fec(&fec_info);

	switch ((GPCR & GPCR_BOOT_MASK) >> GPCR_BOOT_SHIFT) {
	case GPCR_BOOT_8BIT_NAND_2k:
	case GPCR_BOOT_16BIT_NAND_2k:
	case GPCR_BOOT_16BIT_NAND_512:
	case GPCR_BOOT_8BIT_NAND_512:
		devfs_add_partition("nand0", 0x00000, 0x40000, PARTITION_FIXED, "self_raw");
		dev_add_bb_dev("self_raw", "self0");

		devfs_add_partition("nand0", 0x40000, 0x20000, PARTITION_FIXED, "env_raw");
		dev_add_bb_dev("env_raw", "env0");
		envdev = "NAND";
		break;
	default:
		devfs_add_partition("nor0", 0x00000, 0x40000, PARTITION_FIXED, "self0");
		devfs_add_partition("nor0", 0x40000, 0x20000, PARTITION_FIXED, "env0");
		protect_file("/dev/env0", 1);

		envdev = "NOR";
	}

	printf("Using environment in %s Flash\n", envdev);

	armlinux_set_bootparams((void *)0xa0000100);
	armlinux_set_architecture(MACH_TYPE_PCM038);

	return 0;
}
Пример #2
0
static int pcm038_devices_init(void)
{
	int i;
	u64 uid = 0;
	char *envdev;
	long sram_size;

	unsigned int mode[] = {
		/* FEC */
		PD0_AIN_FEC_TXD0,
		PD1_AIN_FEC_TXD1,
		PD2_AIN_FEC_TXD2,
		PD3_AIN_FEC_TXD3,
		PD4_AOUT_FEC_RX_ER,
		PD5_AOUT_FEC_RXD1,
		PD6_AOUT_FEC_RXD2,
		PD7_AOUT_FEC_RXD3,
		PD8_AF_FEC_MDIO,
		PD9_AIN_FEC_MDC | GPIO_PUEN,
		PD10_AOUT_FEC_CRS,
		PD11_AOUT_FEC_TX_CLK,
		PD12_AOUT_FEC_RXD0,
		PD13_AOUT_FEC_RX_DV,
		PD14_AOUT_FEC_RX_CLK,
		PD15_AOUT_FEC_COL,
		PD16_AIN_FEC_TX_ER,
		PF23_AIN_FEC_TX_EN,
		PCM038_GPIO_FEC_RST | GPIO_GPIO | GPIO_OUT,
		/* UART1 */
		PE12_PF_UART1_TXD,
		PE13_PF_UART1_RXD,
		PE14_PF_UART1_CTS,
		PE15_PF_UART1_RTS,
		/* CSPI1 */
		PD25_PF_CSPI1_RDY,
		PD29_PF_CSPI1_SCLK,
		PD30_PF_CSPI1_MISO,
		PD31_PF_CSPI1_MOSI,
		PCM038_GPIO_SPI_CS0 | GPIO_GPIO | GPIO_OUT,
#ifdef CONFIG_MACH_PCM970_BASEBOARD
		PCM970_GPIO_SPI_CS1 | GPIO_GPIO | GPIO_OUT,
#endif
		/* Display */
		PA5_PF_LSCLK,
		PA6_PF_LD0,
		PA7_PF_LD1,
		PA8_PF_LD2,
		PA9_PF_LD3,
		PA10_PF_LD4,
		PA11_PF_LD5,
		PA12_PF_LD6,
		PA13_PF_LD7,
		PA14_PF_LD8,
		PA15_PF_LD9,
		PA16_PF_LD10,
		PA17_PF_LD11,
		PA18_PF_LD12,
		PA19_PF_LD13,
		PA20_PF_LD14,
		PA21_PF_LD15,
		PA22_PF_LD16,
		PA23_PF_LD17,
		PA24_PF_REV,
		PA25_PF_CLS,
		PA26_PF_PS,
		PA27_PF_SPL_SPR,
		PA28_PF_HSYNC,
		PA29_PF_VSYNC,
		PA30_PF_CONTRAST,
		PA31_PF_OE_ACD,
		/* USB OTG */
		PC7_PF_USBOTG_DATA5,
		PC8_PF_USBOTG_DATA6,
		PC9_PF_USBOTG_DATA0,
		PC10_PF_USBOTG_DATA2,
		PC11_PF_USBOTG_DATA1,
		PC12_PF_USBOTG_DATA4,
		PC13_PF_USBOTG_DATA3,
		PE0_PF_USBOTG_NXT,
		PCM038_GPIO_OTG_STP | GPIO_GPIO | GPIO_OUT,
		PE2_PF_USBOTG_DIR,
		PE24_PF_USBOTG_CLK,
		PE25_PF_USBOTG_DATA7,
		/* I2C1 */
		PD17_PF_I2C_DATA | GPIO_PUEN,
		PD18_PF_I2C_CLK,
		/* I2C2 */
		PC5_PF_I2C2_SDA,
		PC6_PF_I2C2_SCL,
	};

	/* configure 16 bit nor flash on cs0 */
	imx27_setup_weimcs(0, 0x22C2CF00, 0x75000D01, 0x00000900);

	/* configure SRAM on cs1 */
	imx27_setup_weimcs(1, 0x0000d843, 0x22252521, 0x22220a00);

	/* SRAM can be up to 2MiB */
	sram_size = get_ram_size((ulong *)MX27_CS1_BASE_ADDR, SZ_2M);
	if (sram_size)
		add_mem_device("ram1", MX27_CS1_BASE_ADDR, sram_size,
			       IORESOURCE_MEM_WRITEABLE);

	/* initizalize gpios */
	for (i = 0; i < ARRAY_SIZE(mode); i++)
		imx_gpio_mode(mode[i]);

	spi_register_board_info(pcm038_spi_board_info, ARRAY_SIZE(pcm038_spi_board_info));
	imx27_add_spi0(&pcm038_spi_0_data);

	pcm038_power_init();

	add_cfi_flash_device(DEVICE_ID_DYNAMIC, 0xC0000000, 32 * 1024 * 1024, 0);
	imx27_add_nand(&nand_info);
	imx27_add_fb(&pcm038_fb_data);

	imx27_add_i2c0(NULL);
	imx27_add_i2c1(NULL);

	/* Register the fec device after the PLL re-initialisation
	 * as the fec depends on the (now higher) ipg clock
	 */
	gpio_set_value(PCM038_GPIO_FEC_RST, 1);
	imx27_add_fec(&fec_info);

	/* Apply delay for STP line to stop ULPI */
	gpio_direction_output(PCM038_GPIO_OTG_STP, 1);
	mdelay(1);
	imx_gpio_mode(PE1_PF_USBOTG_STP);

	imx27_add_usbotg(&pcm038_otg_pdata);

	switch (bootsource_get()) {
	case BOOTSOURCE_NAND:
		devfs_add_partition("nand0", 0, SZ_512K,
				    DEVFS_PARTITION_FIXED, "self_raw");
		dev_add_bb_dev("self_raw", "self0");
		devfs_add_partition("nand0", SZ_512K, SZ_128K,
				    DEVFS_PARTITION_FIXED, "env_raw");
		dev_add_bb_dev("env_raw", "env0");
		envdev = "NAND";
		break;
	default:
		devfs_add_partition("nor0", 0, SZ_512K,
				    DEVFS_PARTITION_FIXED, "self0");
		devfs_add_partition("nor0", SZ_512K, SZ_128K,
				    DEVFS_PARTITION_FIXED, "env0");
		protect_file("/dev/env0", 1);
		envdev = "NOR";
	}

	pr_notice("Using environment in %s Flash\n", envdev);

	if (imx_iim_read(1, 0, &uid, 6) == 6)
		armlinux_set_serial(uid);
	armlinux_set_bootparams((void *)0xa0000100);
	armlinux_set_architecture(MACH_TYPE_PCM038);

	return 0;
}