123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899 |
- /*
- * 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/clk.h>
- #include <linux/clkdev.h>
- #include <linux/err.h>
- #include <linux/io.h>
- #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/mx53.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 imx53_auxdata_lookup[] __initconst = {
- OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART1_BASE_ADDR, "imx21-uart.0", NULL),
- OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART2_BASE_ADDR, "imx21-uart.1", NULL),
- OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART3_BASE_ADDR, "imx21-uart.2", NULL),
- OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART4_BASE_ADDR, "imx21-uart.3", NULL),
- OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART5_BASE_ADDR, "imx21-uart.4", NULL),
- OF_DEV_AUXDATA("fsl,imx53-fec", MX53_FEC_BASE_ADDR, "imx25-fec.0", NULL),
- OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC1_BASE_ADDR, "sdhci-esdhc-imx53.0", NULL),
- OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC2_BASE_ADDR, "sdhci-esdhc-imx53.1", NULL),
- OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC3_BASE_ADDR, "sdhci-esdhc-imx53.2", NULL),
- OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC4_BASE_ADDR, "sdhci-esdhc-imx53.3", NULL),
- OF_DEV_AUXDATA("fsl,imx53-ecspi", MX53_ECSPI1_BASE_ADDR, "imx51-ecspi.0", NULL),
- OF_DEV_AUXDATA("fsl,imx53-ecspi", MX53_ECSPI2_BASE_ADDR, "imx51-ecspi.1", NULL),
- OF_DEV_AUXDATA("fsl,imx53-cspi", MX53_CSPI_BASE_ADDR, "imx35-cspi.0", NULL),
- OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C1_BASE_ADDR, "imx-i2c.0", NULL),
- OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C2_BASE_ADDR, "imx-i2c.1", NULL),
- OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C3_BASE_ADDR, "imx-i2c.2", NULL),
- OF_DEV_AUXDATA("fsl,imx53-sdma", MX53_SDMA_BASE_ADDR, "imx35-sdma", NULL),
- OF_DEV_AUXDATA("fsl,imx53-wdt", MX53_WDOG1_BASE_ADDR, "imx2-wdt.0", NULL),
- { /* sentinel */ }
- };
- static void __init imx53_qsb_init(void)
- {
- struct clk *clk;
- clk = clk_get_sys(NULL, "ssi_ext1");
- if (IS_ERR(clk)) {
- pr_err("failed to get clk ssi_ext1\n");
- return;
- }
- clk_register_clkdev(clk, NULL, "0-000a");
- }
- static void __init imx53_dt_init(void)
- {
- if (of_machine_is_compatible("fsl,imx53-qsb"))
- imx53_qsb_init();
- of_platform_populate(NULL, of_default_bus_match_table,
- imx53_auxdata_lookup, NULL);
- }
- static void __init imx53_timer_init(void)
- {
- mx53_clocks_init_dt();
- }
- static struct sys_timer imx53_timer = {
- .init = imx53_timer_init,
- };
- static const char *imx53_dt_board_compat[] __initdata = {
- "fsl,imx53",
- NULL
- };
- DT_MACHINE_START(IMX53_DT, "Freescale i.MX53 (Device Tree Support)")
- .map_io = mx53_map_io,
- .init_early = imx53_init_early,
- .init_irq = mx53_init_irq,
- .handle_irq = imx53_handle_irq,
- .timer = &imx53_timer,
- .init_machine = imx53_dt_init,
- .init_late = imx53_init_late,
- .dt_compat = imx53_dt_board_compat,
- .restart = mxc_restart,
- MACHINE_END
|