/* * TI DaVinci DM644x chip specific setup * * Author: Kevin Hilman, Deep Root Systems, LLC * * 2007 (c) Deep Root Systems, LLC. 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. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "clock.h" #include "mux.h" /* * Device specific clocks */ #define DM644X_REF_FREQ 27000000 static struct pll_data pll1_data = { .num = 1, .phys_base = DAVINCI_PLL1_BASE, }; static struct pll_data pll2_data = { .num = 2, .phys_base = DAVINCI_PLL2_BASE, }; static struct clk ref_clk = { .name = "ref_clk", .rate = DM644X_REF_FREQ, }; static struct clk pll1_clk = { .name = "pll1", .parent = &ref_clk, .pll_data = &pll1_data, .flags = CLK_PLL, }; static struct clk pll1_sysclk1 = { .name = "pll1_sysclk1", .parent = &pll1_clk, .flags = CLK_PLL, .div_reg = PLLDIV1, }; static struct clk pll1_sysclk2 = { .name = "pll1_sysclk2", .parent = &pll1_clk, .flags = CLK_PLL, .div_reg = PLLDIV2, }; static struct clk pll1_sysclk3 = { .name = "pll1_sysclk3", .parent = &pll1_clk, .flags = CLK_PLL, .div_reg = PLLDIV3, }; static struct clk pll1_sysclk5 = { .name = "pll1_sysclk5", .parent = &pll1_clk, .flags = CLK_PLL, .div_reg = PLLDIV5, }; static struct clk pll1_aux_clk = { .name = "pll1_aux_clk", .parent = &pll1_clk, .flags = CLK_PLL | PRE_PLL, }; static struct clk pll1_sysclkbp = { .name = "pll1_sysclkbp", .parent = &pll1_clk, .flags = CLK_PLL | PRE_PLL, .div_reg = BPDIV }; static struct clk pll2_clk = { .name = "pll2", .parent = &ref_clk, .pll_data = &pll2_data, .flags = CLK_PLL, }; static struct clk pll2_sysclk1 = { .name = "pll2_sysclk1", .parent = &pll2_clk, .flags = CLK_PLL, .div_reg = PLLDIV1, }; static struct clk pll2_sysclk2 = { .name = "pll2_sysclk2", .parent = &pll2_clk, .flags = CLK_PLL, .div_reg = PLLDIV2, }; static struct clk pll2_sysclkbp = { .name = "pll2_sysclkbp", .parent = &pll2_clk, .flags = CLK_PLL | PRE_PLL, .div_reg = BPDIV }; static struct clk dsp_clk = { .name = "dsp", .parent = &pll1_sysclk1, .lpsc = DAVINCI_LPSC_GEM, .domain = DAVINCI_GPSC_DSPDOMAIN, .usecount = 1, /* REVISIT how to disable? */ }; static struct clk arm_clk = { .name = "arm", .parent = &pll1_sysclk2, .lpsc = DAVINCI_LPSC_ARM, .flags = ALWAYS_ENABLED, }; static struct clk vicp_clk = { .name = "vicp", .parent = &pll1_sysclk2, .lpsc = DAVINCI_LPSC_IMCOP, .domain = DAVINCI_GPSC_DSPDOMAIN, .usecount = 1, /* REVISIT how to disable? */ }; static struct clk vpss_master_clk = { .name = "vpss_master", .parent = &pll1_sysclk3, .lpsc = DAVINCI_LPSC_VPSSMSTR, .flags = CLK_PSC, }; static struct clk vpss_slave_clk = { .name = "vpss_slave", .parent = &pll1_sysclk3, .lpsc = DAVINCI_LPSC_VPSSSLV, }; static struct clk uart0_clk = { .name = "uart0", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_UART0, }; static struct clk uart1_clk = { .name = "uart1", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_UART1, }; static struct clk uart2_clk = { .name = "uart2", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_UART2, }; static struct clk emac_clk = { .name = "emac", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_EMAC_WRAPPER, }; static struct clk i2c_clk = { .name = "i2c", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_I2C, }; static struct clk ide_clk = { .name = "ide", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_ATA, }; static struct clk asp_clk = { .name = "asp0", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_McBSP, }; static struct clk mmcsd_clk = { .name = "mmcsd", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_MMC_SD, }; static struct clk spi_clk = { .name = "spi", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_SPI, }; static struct clk gpio_clk = { .name = "gpio", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_GPIO, }; static struct clk usb_clk = { .name = "usb", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_USB, }; static struct clk vlynq_clk = { .name = "vlynq", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_VLYNQ, }; static struct clk aemif_clk = { .name = "aemif", .parent = &pll1_sysclk5, .lpsc = DAVINCI_LPSC_AEMIF, }; static struct clk pwm0_clk = { .name = "pwm0", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_PWM0, }; static struct clk pwm1_clk = { .name = "pwm1", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_PWM1, }; static struct clk pwm2_clk = { .name = "pwm2", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_PWM2, }; static struct clk timer0_clk = { .name = "timer0", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_TIMER0, }; static struct clk timer1_clk = { .name = "timer1", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_TIMER1, }; static struct clk timer2_clk = { .name = "timer2", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_TIMER2, .usecount = 1, /* REVISIT: why can't this be disabled? */ }; static struct clk_lookup dm644x_clks[] = { CLK(NULL, "ref", &ref_clk), CLK(NULL, "pll1", &pll1_clk), CLK(NULL, "pll1_sysclk1", &pll1_sysclk1), CLK(NULL, "pll1_sysclk2", &pll1_sysclk2), CLK(NULL, "pll1_sysclk3", &pll1_sysclk3), CLK(NULL, "pll1_sysclk5", &pll1_sysclk5), CLK(NULL, "pll1_aux", &pll1_aux_clk), CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp), CLK(NULL, "pll2", &pll2_clk), CLK(NULL, "pll2_sysclk1", &pll2_sysclk1), CLK(NULL, "pll2_sysclk2", &pll2_sysclk2), CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp), CLK(NULL, "dsp", &dsp_clk), CLK(NULL, "arm", &arm_clk), CLK(NULL, "vicp", &vicp_clk), CLK(NULL, "vpss_master", &vpss_master_clk), CLK(NULL, "vpss_slave", &vpss_slave_clk), CLK(NULL, "arm", &arm_clk), CLK(NULL, "uart0", &uart0_clk), CLK(NULL, "uart1", &uart1_clk), CLK(NULL, "uart2", &uart2_clk), CLK("davinci_emac.1", NULL, &emac_clk), CLK("i2c_davinci.1", NULL, &i2c_clk), CLK("palm_bk3710", NULL, &ide_clk), CLK("davinci-mcbsp", NULL, &asp_clk), CLK("davinci_mmc.0", NULL, &mmcsd_clk), CLK(NULL, "spi", &spi_clk), CLK(NULL, "gpio", &gpio_clk), CLK(NULL, "usb", &usb_clk), CLK(NULL, "vlynq", &vlynq_clk), CLK(NULL, "aemif", &aemif_clk), CLK(NULL, "pwm0", &pwm0_clk), CLK(NULL, "pwm1", &pwm1_clk), CLK(NULL, "pwm2", &pwm2_clk), CLK(NULL, "timer0", &timer0_clk), CLK(NULL, "timer1", &timer1_clk), CLK("watchdog", NULL, &timer2_clk), CLK(NULL, NULL, NULL), }; static struct emac_platform_data dm644x_emac_pdata = { .ctrl_reg_offset = DM644X_EMAC_CNTRL_OFFSET, .ctrl_mod_reg_offset = DM644X_EMAC_CNTRL_MOD_OFFSET, .ctrl_ram_offset = DM644X_EMAC_CNTRL_RAM_OFFSET, .ctrl_ram_size = DM644X_EMAC_CNTRL_RAM_SIZE, .version = EMAC_VERSION_1, }; static struct resource dm644x_emac_resources[] = { { .start = DM644X_EMAC_BASE, .end = DM644X_EMAC_BASE + SZ_16K - 1, .flags = IORESOURCE_MEM, }, { .start = IRQ_EMACINT, .end = IRQ_EMACINT, .flags = IORESOURCE_IRQ, }, }; static struct platform_device dm644x_emac_device = { .name = "davinci_emac", .id = 1, .dev = { .platform_data = &dm644x_emac_pdata, }, .num_resources = ARRAY_SIZE(dm644x_emac_resources), .resource = dm644x_emac_resources, }; static struct resource dm644x_mdio_resources[] = { { .start = DM644X_EMAC_MDIO_BASE, .end = DM644X_EMAC_MDIO_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, }; static struct platform_device dm644x_mdio_device = { .name = "davinci_mdio", .id = 0, .num_resources = ARRAY_SIZE(dm644x_mdio_resources), .resource = dm644x_mdio_resources, }; /* * Device specific mux setup * * soc description mux mode mode mux dbg * reg offset mask mode */ static const struct mux_config dm644x_pins[] = { #ifdef CONFIG_DAVINCI_MUX MUX_CFG(DM644X, HDIREN, 0, 16, 1, 1, true) MUX_CFG(DM644X, ATAEN, 0, 17, 1, 1, true) MUX_CFG(DM644X, ATAEN_DISABLE, 0, 17, 1, 0, true) MUX_CFG(DM644X, HPIEN_DISABLE, 0, 29, 1, 0, true) MUX_CFG(DM644X, AEAW, 0, 0, 31, 31, true) MUX_CFG(DM644X, AEAW0, 0, 0, 1, 0, true) MUX_CFG(DM644X, AEAW1, 0, 1, 1, 0, true) MUX_CFG(DM644X, AEAW2, 0, 2, 1, 0, true) MUX_CFG(DM644X, AEAW3, 0, 3, 1, 0, true) MUX_CFG(DM644X, AEAW4, 0, 4, 1, 0, true) MUX_CFG(DM644X, MSTK, 1, 9, 1, 0, false) MUX_CFG(DM644X, I2C, 1, 7, 1, 1, false) MUX_CFG(DM644X, MCBSP, 1, 10, 1, 1, false) MUX_CFG(DM644X, UART1, 1, 1, 1, 1, true) MUX_CFG(DM644X, UART2, 1, 2, 1, 1, true) MUX_CFG(DM644X, PWM0, 1, 4, 1, 1, false) MUX_CFG(DM644X, PWM1, 1, 5, 1, 1, false) MUX_CFG(DM644X, PWM2, 1, 6, 1, 1, false) MUX_CFG(DM644X, VLYNQEN, 0, 15, 1, 1, false) MUX_CFG(DM644X, VLSCREN, 0, 14, 1, 1, false) MUX_CFG(DM644X, VLYNQWD, 0, 12, 3, 3, false) MUX_CFG(DM644X, EMACEN, 0, 31, 1, 1, true) MUX_CFG(DM644X, GPIO3V, 0, 31, 1, 0, true) MUX_CFG(DM644X, GPIO0, 0, 24, 1, 0, true) MUX_CFG(DM644X, GPIO3, 0, 25, 1, 0, false) MUX_CFG(DM644X, GPIO43_44, 1, 7, 1, 0, false) MUX_CFG(DM644X, GPIO46_47, 0, 22, 1, 0, true) MUX_CFG(DM644X, RGB666, 0, 22, 1, 1, true) MUX_CFG(DM644X, LOEEN, 0, 24, 1, 1, true) MUX_CFG(DM644X, LFLDEN, 0, 25, 1, 1, false) #endif }; /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = { [IRQ_VDINT0] = 2, [IRQ_VDINT1] = 6, [IRQ_VDINT2] = 6, [IRQ_HISTINT] = 6, [IRQ_H3AINT] = 6, [IRQ_PRVUINT] = 6, [IRQ_RSZINT] = 6, [7] = 7, [IRQ_VENCINT] = 6, [IRQ_ASQINT] = 6, [IRQ_IMXINT] = 6, [IRQ_VLCDINT] = 6, [IRQ_USBINT] = 4, [IRQ_EMACINT] = 4, [14] = 7, [15] = 7, [IRQ_CCINT0] = 5, /* dma */ [IRQ_CCERRINT] = 5, /* dma */ [IRQ_TCERRINT0] = 5, /* dma */ [IRQ_TCERRINT] = 5, /* dma */ [IRQ_PSCIN] = 7, [21] = 7, [IRQ_IDE] = 4, [23] = 7, [IRQ_MBXINT] = 7, [IRQ_MBRINT] = 7, [IRQ_MMCINT] = 7, [IRQ_SDIOINT] = 7, [28] = 7, [IRQ_DDRINT] = 7, [IRQ_AEMIFINT] = 7, [IRQ_VLQINT] = 4, [IRQ_TINT0_TINT12] = 2, /* clockevent */ [IRQ_TINT0_TINT34] = 2, /* clocksource */ [IRQ_TINT1_TINT12] = 7, /* DSP timer */ [IRQ_TINT1_TINT34] = 7, /* system tick */ [IRQ_PWMINT0] = 7, [IRQ_PWMINT1] = 7, [IRQ_PWMINT2] = 7, [IRQ_I2C] = 3, [IRQ_UARTINT0] = 3, [IRQ_UARTINT1] = 3, [IRQ_UARTINT2] = 3, [IRQ_SPINT0] = 3, [IRQ_SPINT1] = 3, [45] = 7, [IRQ_DSP2ARM0] = 4, [IRQ_DSP2ARM1] = 4, [IRQ_GPIO0] = 7, [IRQ_GPIO1] = 7, [IRQ_GPIO2] = 7, [IRQ_GPIO3] = 7, [IRQ_GPIO4] = 7, [IRQ_GPIO5] = 7, [IRQ_GPIO6] = 7, [IRQ_GPIO7] = 7, [IRQ_GPIOBNK0] = 7, [IRQ_GPIOBNK1] = 7, [IRQ_GPIOBNK2] = 7, [IRQ_GPIOBNK3] = 7, [IRQ_GPIOBNK4] = 7, [IRQ_COMMTX] = 7, [IRQ_COMMRX] = 7, [IRQ_EMUINT] = 7, }; /*----------------------------------------------------------------------*/ static const s8 queue_tc_mapping[][2] = { /* {event queue no, TC no} */ {0, 0}, {1, 1}, {-1, -1}, }; static const s8 queue_priority_mapping[][2] = { /* {event queue no, Priority} */ {0, 3}, {1, 7}, {-1, -1}, }; static struct edma_soc_info edma_cc0_info = { .n_channel = 64, .n_region = 4, .n_slot = 128, .n_tc = 2, .n_cc = 1, .queue_tc_mapping = queue_tc_mapping, .queue_priority_mapping = queue_priority_mapping, .default_queue = EVENTQ_1, }; static struct edma_soc_info *dm644x_edma_info[EDMA_MAX_CC] = { &edma_cc0_info, }; static struct resource edma_resources[] = { { .name = "edma_cc0", .start = 0x01c00000, .end = 0x01c00000 + SZ_64K - 1, .flags = IORESOURCE_MEM, }, { .name = "edma_tc0", .start = 0x01c10000, .end = 0x01c10000 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { .name = "edma_tc1", .start = 0x01c10400, .end = 0x01c10400 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { .name = "edma0", .start = IRQ_CCINT0, .flags = IORESOURCE_IRQ, }, { .name = "edma0_err", .start = IRQ_CCERRINT, .flags = IORESOURCE_IRQ, }, /* not using TC*_ERR */ }; static struct platform_device dm644x_edma_device = { .name = "edma", .id = 0, .dev.platform_data = dm644x_edma_info, .num_resources = ARRAY_SIZE(edma_resources), .resource = edma_resources, }; /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */ static struct resource dm644x_asp_resources[] = { { .start = DAVINCI_ASP0_BASE, .end = DAVINCI_ASP0_BASE + SZ_8K - 1, .flags = IORESOURCE_MEM, }, { .start = DAVINCI_DMA_ASP0_TX, .end = DAVINCI_DMA_ASP0_TX, .flags = IORESOURCE_DMA, }, { .start = DAVINCI_DMA_ASP0_RX, .end = DAVINCI_DMA_ASP0_RX, .flags = IORESOURCE_DMA, }, }; static struct platform_device dm644x_asp_device = { .name = "davinci-mcbsp", .id = -1, .num_resources = ARRAY_SIZE(dm644x_asp_resources), .resource = dm644x_asp_resources, }; static struct resource dm644x_vpss_resources[] = { { /* VPSS Base address */ .name = "vpss", .start = 0x01c73400, .end = 0x01c73400 + 0xff, .flags = IORESOURCE_MEM, }, }; static struct platform_device dm644x_vpss_device = { .name = "vpss", .id = -1, .dev.platform_data = "dm644x_vpss", .num_resources = ARRAY_SIZE(dm644x_vpss_resources), .resource = dm644x_vpss_resources, }; static struct resource vpfe_resources[] = { { .start = IRQ_VDINT0, .end = IRQ_VDINT0, .flags = IORESOURCE_IRQ, }, { .start = IRQ_VDINT1, .end = IRQ_VDINT1, .flags = IORESOURCE_IRQ, }, }; static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32); static struct resource dm644x_ccdc_resource[] = { /* CCDC Base address */ { .start = 0x01c70400, .end = 0x01c70400 + 0xff, .flags = IORESOURCE_MEM, }, }; static struct platform_device dm644x_ccdc_dev = { .name = "dm644x_ccdc", .id = -1, .num_resources = ARRAY_SIZE(dm644x_ccdc_resource), .resource = dm644x_ccdc_resource, .dev = { .dma_mask = &vpfe_capture_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, }; static struct platform_device vpfe_capture_dev = { .name = CAPTURE_DRV_NAME, .id = -1, .num_resources = ARRAY_SIZE(vpfe_resources), .resource = vpfe_resources, .dev = { .dma_mask = &vpfe_capture_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, }; void dm644x_set_vpfe_config(struct vpfe_config *cfg) { vpfe_capture_dev.dev.platform_data = cfg; } /*----------------------------------------------------------------------*/ static struct map_desc dm644x_io_desc[] = { { .virtual = IO_VIRT, .pfn = __phys_to_pfn(IO_PHYS), .length = IO_SIZE, .type = MT_DEVICE }, { .virtual = SRAM_VIRT, .pfn = __phys_to_pfn(0x00008000), .length = SZ_16K, .type = MT_MEMORY_NONCACHED, }, }; /* Contents of JTAG ID register used to identify exact cpu type */ static struct davinci_id dm644x_ids[] = { { .variant = 0x0, .part_no = 0xb700, .manufacturer = 0x017, .cpu_id = DAVINCI_CPU_ID_DM6446, .name = "dm6446", }, { .variant = 0x1, .part_no = 0xb700, .manufacturer = 0x017, .cpu_id = DAVINCI_CPU_ID_DM6446, .name = "dm6446a", }, }; static u32 dm644x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE }; /* * T0_BOT: Timer 0, bottom: clockevent source for hrtimers * T0_TOP: Timer 0, top : clocksource for generic timekeeping * T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code) * T1_TOP: Timer 1, top : */ static struct davinci_timer_info dm644x_timer_info = { .timers = davinci_timer_instance, .clockevent_id = T0_BOT, .clocksource_id = T0_TOP, }; static struct plat_serial8250_port dm644x_serial_platform_data[] = { { .mapbase = DAVINCI_UART0_BASE, .irq = IRQ_UARTINT0, .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 2, }, { .mapbase = DAVINCI_UART1_BASE, .irq = IRQ_UARTINT1, .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 2, }, { .mapbase = DAVINCI_UART2_BASE, .irq = IRQ_UARTINT2, .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 2, }, { .flags = 0 }, }; static struct platform_device dm644x_serial_device = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev = { .platform_data = dm644x_serial_platform_data, }, }; static struct davinci_soc_info davinci_soc_info_dm644x = { .io_desc = dm644x_io_desc, .io_desc_num = ARRAY_SIZE(dm644x_io_desc), .jtag_id_reg = 0x01c40028, .ids = dm644x_ids, .ids_num = ARRAY_SIZE(dm644x_ids), .cpu_clks = dm644x_clks, .psc_bases = dm644x_psc_bases, .psc_bases_num = ARRAY_SIZE(dm644x_psc_bases), .pinmux_base = DAVINCI_SYSTEM_MODULE_BASE, .pinmux_pins = dm644x_pins, .pinmux_pins_num = ARRAY_SIZE(dm644x_pins), .intc_base = DAVINCI_ARM_INTC_BASE, .intc_type = DAVINCI_INTC_TYPE_AINTC, .intc_irq_prios = dm644x_default_priorities, .intc_irq_num = DAVINCI_N_AINTC_IRQ, .timer_info = &dm644x_timer_info, .gpio_type = GPIO_TYPE_DAVINCI, .gpio_base = DAVINCI_GPIO_BASE, .gpio_num = 71, .gpio_irq = IRQ_GPIOBNK0, .serial_dev = &dm644x_serial_device, .emac_pdata = &dm644x_emac_pdata, .sram_dma = 0x00008000, .sram_len = SZ_16K, .reset_device = &davinci_wdt_device, }; void __init dm644x_init_asp(struct snd_platform_data *pdata) { davinci_cfg_reg(DM644X_MCBSP); dm644x_asp_device.dev.platform_data = pdata; platform_device_register(&dm644x_asp_device); } void __init dm644x_init(void) { davinci_common_init(&davinci_soc_info_dm644x); } static int __init dm644x_init_devices(void) { if (!cpu_is_davinci_dm644x()) return 0; /* Add ccdc clock aliases */ clk_add_alias("master", dm644x_ccdc_dev.name, "vpss_master", NULL); clk_add_alias("slave", dm644x_ccdc_dev.name, "vpss_slave", NULL); platform_device_register(&dm644x_edma_device); platform_device_register(&dm644x_mdio_device); platform_device_register(&dm644x_emac_device); clk_add_alias(NULL, dev_name(&dm644x_mdio_device.dev), NULL, &dm644x_emac_device.dev); platform_device_register(&dm644x_vpss_device); platform_device_register(&dm644x_ccdc_dev); platform_device_register(&vpfe_capture_dev); return 0; } postcore_initcall(dm644x_init_devices);