/* * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. * Copyright 2011 Linaro Ltd. * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License * Version 2 or later at the following locations: * * http://www.opensource.org/licenses/gpl-license.html * http://www.gnu.org/copyleft/gpl.html */ #include <linux/irq.h> #include <linux/of_irq.h> #include <linux/of_platform.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <mach/common.h> #include <mach/mx51.h> /* * Lookup table for attaching a specific name and platform_data pointer to * devices as they get created by of_platform_populate(). Ideally this table * would not exist, but the current clock implementation depends on some devices * having a specific name. */ static const struct of_dev_auxdata imx51_auxdata_lookup[] __initconst = { OF_DEV_AUXDATA("fsl,imx51-uart", MX51_UART1_BASE_ADDR, "imx21-uart.0", NULL), OF_DEV_AUXDATA("fsl,imx51-uart", MX51_UART2_BASE_ADDR, "imx21-uart.1", NULL), OF_DEV_AUXDATA("fsl,imx51-uart", MX51_UART3_BASE_ADDR, "imx21-uart.2", NULL), OF_DEV_AUXDATA("fsl,imx51-fec", MX51_FEC_BASE_ADDR, "imx27-fec.0", NULL), OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC1_BASE_ADDR, "sdhci-esdhc-imx51.0", NULL), OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC2_BASE_ADDR, "sdhci-esdhc-imx51.1", NULL), OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC3_BASE_ADDR, "sdhci-esdhc-imx51.2", NULL), OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC4_BASE_ADDR, "sdhci-esdhc-imx51.3", NULL), OF_DEV_AUXDATA("fsl,imx51-ecspi", MX51_ECSPI1_BASE_ADDR, "imx51-ecspi.0", NULL), OF_DEV_AUXDATA("fsl,imx51-ecspi", MX51_ECSPI2_BASE_ADDR, "imx51-ecspi.1", NULL), OF_DEV_AUXDATA("fsl,imx51-cspi", MX51_CSPI_BASE_ADDR, "imx35-cspi.0", NULL), OF_DEV_AUXDATA("fsl,imx51-i2c", MX51_I2C1_BASE_ADDR, "imx-i2c.0", NULL), OF_DEV_AUXDATA("fsl,imx51-i2c", MX51_I2C2_BASE_ADDR, "imx-i2c.1", NULL), OF_DEV_AUXDATA("fsl,imx51-sdma", MX51_SDMA_BASE_ADDR, "imx35-sdma", NULL), OF_DEV_AUXDATA("fsl,imx51-wdt", MX51_WDOG1_BASE_ADDR, "imx2-wdt.0", NULL), { /* sentinel */ } }; static void __init imx51_dt_init(void) { of_platform_populate(NULL, of_default_bus_match_table, imx51_auxdata_lookup, NULL); } static void __init imx51_timer_init(void) { mx51_clocks_init_dt(); } static struct sys_timer imx51_timer = { .init = imx51_timer_init, }; static const char *imx51_dt_board_compat[] __initdata = { "fsl,imx51", NULL }; DT_MACHINE_START(IMX51_DT, "Freescale i.MX51 (Device Tree Support)") .map_io = mx51_map_io, .init_early = imx51_init_early, .init_irq = mx51_init_irq, .handle_irq = imx51_handle_irq, .timer = &imx51_timer, .init_machine = imx51_dt_init, .init_late = imx51_init_late, .dt_compat = imx51_dt_board_compat, .restart = mxc_restart, MACHINE_END